homocysteine and methylmalonic acid

homocysteine has been researched along with methylmalonic acid in 439 studies

Research

Studies (439)

Timeframe	Studies, this research(%)	All Research%
pre-1990	4 (0.91)	18.7374
1990's	77 (17.54)	18.2507
2000's	175 (39.86)	29.6817
2010's	150 (34.17)	24.3611
2020's	33 (7.52)	2.80

Authors

Authors	Studies
Lou, W; Yao, G; Yao, SL; Yao, SS; Yao, Y	1
Allen, RH; Grigsby, J; Kaye, K; Kelly, JP; Lindenbaum, J; Matthews, LM; Pennypacker, LC; Stabler, SP	1
McCully, KS	1
Allen, RH; Brass, EP; Marcell, PD; Stabler, SP	1
Refsum, H; Schneede, J; Slørdal, L; Svardal, A; Ueland, PM	1
Beck, WS	1
Baumgartner, R; Bubl, R; Kühne, T	1
Allen, RH; Lindenbaum, J; Savage, DG; Stabler, SP	4
Allen, RH; Kliegman, RM; Shenker, N; Shurin, S; Skidmore, MD	1
Allen, RH; Brust, JC; Garrett, TJ; Healton, EB; Lindenbaum, J; Marcell, PD; Podell, ER; Savage, DG; Stabler, SP	1
Hogenkamp, HP; Hrushesky, WJ; Roelofs, R; Trugman, J	1
Bedros, AA; Carmel, R; Goodman, SI; Mace, JW	1
Allen, RH; Joosten, E; Lindenbaum, J; Naurath, HJ; Riezler, R; Stabler, SP	1
Gräsbeck, R; Hansen, M; Lindgren, A; Nexø, E; Rasmussen, K	1
Bennett, M; Bottiglieri, T; Hyland, K; McGrath, K; Metz, J	1
Conley, MR; Kirke, PN; Lee, YJ; McPartlin, JM; Mills, JL; Scott, JM; Weir, DG	1
Bosley, TM; Campellone, JV; Malloy, TR	1
Glueck, CJ; Lang, JE; Shaw, P; Sieve-Smith, L; Tracy, T; Wang, Y	1
Bennie, A; Gangaidzo, I; Gwanzura, C; Kiire, C; Lindenbaum, J; Moyo, A; Mudenge, B; Mukiibi, JM; Savage, D; Sitima, J	1
Dagnelie, PC; Refsum, H; Schneede, J; Ueland, PM; van Staveren, WA; Vollset, SE	1
Daughtry, M; Galvez, N; Goodkin, DE; Green, R; Jacobsen, DW; Secic, M	1
Brett, AS; Roberts, MS	1
Allen, RH; Lindenbaum, J; Rosenberg, IH; Stabler, SP; Wilson, PW	1
Allen, RH; Kolhouse, JF; Stabler, SP	1
Criel, A; Devos, P; Goossens, W; Joosten, E; Lesaffre, E; Pelemans, W; Verhaeghe, R	1
Guttormsen, AB; Refsum, H; Schneede, J; Ueland, PM	1
Abrahm, JL; Allen, RH; Berry, GT; Chin, MM; Gracely, EJ; Stabler, SP; Sumner, AE	1
Dybkjaer, L; Lyngbak, M; Møller, J; Pedersen, AM; Rasmussen, K	1
Bose, S; Gilfix, B; Komorowski, R; Rosenblatt, DS; Seetharam, B; Seetharam, S	1
Allen, RH; Lindenbaum, J; Stabler, SP	4
Adjalla, C; Belleville, F; Benhayoun, S; Felden, F; Gaucher, P; Gelot, MA; Gerard, P; Guéant, JL; Lambert, D; Nicolas, JP; Renkes, P	1
Rasmussen, K	1
Allen, RH; Baumgartner, RN; Garry, PJ; Koehler, KM; Liang, HC; Pareo-Tubbeh, SL; Romero, LJ; Stabler, SP; Stauber, PM	1
Kapadia, CR	1
Leeming, RJ	1
Joosten, E; Lesaffre, E; Riezler, R	1
Berentsen, S; Talstad, I	1
Azen, C; Carmel, R; Green, R; Howard, JM; Jacobsen, DW	2
Adjalla, C; Belleville, F; Benhayoun, S; Felden, F; Gaucher, P; Gélot, MM; Gérard, P; Guéant, JL; Lambert, D; Nicolas, JP; Renkes, P	1
Alm, B; Anderson, A; Fäldt, R; Gustafson, L; Hultberg, B; Nilsson, K; Nilsson, R; Vaara, I	1
Dejaeger, E; Dereymaeker, L; Ghekiere, V; Joosten, E; Lesaffre, E; Pelemans, W; Riezler, R	1
Delva, MD	1
Allen, RH; Buccellato, FR; Lindenbaum, J; Lorenzini, EC; Morabito, A; Scalabrino, G; Tredici, G	1
Adjalla, C; Beliah, M; Benhayoun, S; Gélot, MA; Guéant, JL; Lambert, D; Messing, B; Nicolas, JP; Thuillier, F	1
Chanarin, I; Metz, J	1
Bjerve, KS; Carlsen, SM; Følling, I; Grill, V; Refsum, H; Schneede, J	1
Cicchetti, G; Marín, GH; Tentoni, J	1
Johansson, KW; Kilander, AF; Lindgren, A; Nilsson, O; Swolin, B	1
Christensen, L; Møller, J; Rasmussen, K	2
Gérard, M; Ogier de Baulny, H; Saudubray, JM; Zittoun, J	1
Abrahamsson, L; Friman, C; Nilsson, B; Norberg, B; Pettersson, T	1
Sato, K	1
Allen, RH; Del Giacco, EJ; Kuzminski, AM; Lindenbaum, J; Stabler, SP	1
Bernard, MA; Kashner, TM; Nakonezny, PA	1
Chadefaux-Vekemans, B; Garcia, MJ; Jakobs, C; Kamoun, P; Merinero, B; Pérez-Cerdá, C; Tonetti, C; Ugarte, M; Zittoun, J	1
Kilander, AF; Lindgren, A; Lindstedt, G	1
Hultdin, J	1
Hølleland, G; Lund, PK; Refsum, H; Sandberg, S; Schneede, J; Ueland, PM	1
Bagge, E; Kilander, A; Lindgren, A; Nexø, E	1
Ambrosch, A; Dierkes, J; Domröse, U; Guttormsen, AB; Luley, C; Neumann, KH; Schneede, J	1
Snow, CF	1
Bächli, E; Fehr, J	1
van den Ingh, TS; Vellema, P; Wouda, W	1
Norberg, B	2
Björkegren, K; Svärdsudd, K	5
Allen, RH; Cohen, JA; Estacio, R; Jeffers, BW; Schrier, RW; Stabler, SP	1
Bagge, E; Cederblad, A; Kilander, AF; Lindgren, A; Nilsson, O; Persson, H	1
Azen, C; Carmel, R; Florea, M; Green, R; Jacobsen, DW; Rasmussen, K	1
Allen, RH; Fried, LP; Guralnik, JM; Kittner, SJ; Pahor, M; Penninx, BW; Stabler, SP	1
Graefe, U; Henning, BF; Langer, K; Raidt, H; Riezler, R; Tepel, M; Zidek, W	1
Bar, J; Hod, M; Orvieto, R; Pardo, J; Peled, Y; Rafael, ZB; Sela, BA	1
Dehlin, O; Hagberg, B; Hultberg, B; Jensen, E; Samuelsson, G; Svensson, T	1
Stabler, SP	2
Gustafson, L; Hultberg, B; Nilsson, K	2
Allen, RH; Lindenbaum, J; Ogundipe, A; Savage, DG; Stabler, SP	1
Allen, RH; Barbé, FM; Droesch, S; Gaire, D; Lambert, DA; Nicolas, JP; Sponne, IE; Stabler, SP	1
Klee, GG	1
Applegarth, DA; Hadorn, HB; Randak, C; Rolinski, B; Roscher, AA; Roschinger, W	1
Fäldt, R; Gustafson, L; Hultberg, B; Nilsson, K; Warkentin, S	1
Lindgren, A	1
Bie, RB; Bolann, BJ; Grøttum, KA; Loraas, A; Refsum, H; Schjøth, A; Schneede, J; Solli, JD; Stallemo, A; Stokkeland, M; Ueland, PM	1
Gustafson, L; Hultberg, B; Isaksson, A; Nilsson, K	2
Bagnoli, F; Bellieni, CV; Buonocore, G; Cioni, M; De Felice, C; Farnetani, M; Ferrari, F; Gatti, MG	1
Freedman, M; Garcia, A; Smith, M	1
Cohen, AM; Gardyn, J; Mittelman, M; Sela, BA; Zlotnik, J	1
Bodis, M; Geisel, J; Herrmann, W; Knapp, JP; Müller, A; Schorr, H; Stein, G	1
Chin A Paw, MJ; de Groot, LC; de Jong, N; Kok, FJ; Rutten, RA; Swinkels, DW; van Staveren, WA	1
Kirchgessner, M; Müller, H; Schwarz, FJ; Stangl, GI	1
Allen, RH; Baumgartner, RN; Garry, PJ; Koehler, KM; Rimm, EB; Stabler, SP	1
Hoffer, LJ; Kaplan, LN; Mamer, OA	1
Aguirre Errasti, C	1
Aguirre Errasti, C; Alonso Alonso, JJ; Barreiro García, G; Cánovas Fernández, A; de la Prieta López, R	1
Ellegaard, J; Hvas, AM; Nexø, E	2
Gadkari, M; Guttormsen, AB; Joglekar, A; Orning, L; Refsum, H; Sayyad, MG; Schneede, J; Ueland, PM; Ulvik, A; Vollset, SE; Yajnik, CS	1
Hultdin, J; Lökk, J; Nilsson, M; Norberg, B; Sandström, H; Westman, G	1
Bjørke Monsen, AL; Guttormsen, AB; Markestad, T; Refsum, H; Solheim, E; Ueland, PM; Vollset, SE	1
Bailie, KE; Lappin, TR; McMullin, MF; Savage, GA; White, R; Young, PB	1
Bodis, M; Geisel, J; Herrmann, W; Hübner, U; Knapp, JP; Schorr, H; Zimbelmann, I	1
Geisel, J; Herrmann, W; Riegel, W; Schorr, H	1
Naurath, HJ; Pütter, S; Riezler, R; Ubbink, JB	1
Bondevik, GT; Kvåle, G; Lie, RT; Refsum, H; Schneede, J; Ulstein, M	1
Baumgartner, ER; Bosk, A; Fowler, B; Heinemann, MK; Sieverding, L; Tomaske, M; Trefz, FK	1
Allen, RH; Berthold, HK; Look, MP; Riezler, R; Rockstroh, JK; Sauerbruch, T; Schliefer, K; Stabler, SP	1
Abrahamov, A; Algur, N; Elstein, D; Elstein, Y; Gielchinsky, Y; Green, R; Lahad, A; Miller, JW; Shinar, E; Zimran, A	1
Bjørke Monsen, AL; Ueland, PM	2
Ruaux, CG; Steiner, JM; Williams, DA	1
Jonsson, O; Kilander, A; Lindgren, A; Olofsson, G; Ung, KA	1
Bond, CM; Golden, MH; Rydlewicz, A; Simpson, JA; Taylor, RJ	1
Schneede, J	1
Hvas, AM; Nexø, E	1
Page, RL; Ruscin, JM; Valuck, RJ	1
Funamizu, M; Hata, A; Hayashi, K; Hiejima, Y; Hirayama, H; Kawabata, M; Makita, Y; Nakamura, T; Saionji, K; Tago, K; Tajiri, M; Takano, H	1
Bale, A; Balling, R; Christensen, B; Colmenares, C; Ernest, S; Gilfix, BM; Hosack, A; Mamer, OA; McGrath, J; Nadeau, JH; Rodier, M; Rosenblatt, DS; Sankoff, D	1
Biancheri, R; Caruso, U; Cerone, R; Minniti, G; Perrone, MV; Rossi, A; Schiaffino, MC; Tortori-Donati, P; Veneselli, E	1
Abd-el-Gawa, G; Abrahamsson, K; Hanson, E; Hjälmås, K; Norlén, L	1
Elian, KM; Hoffer, LJ	1
Flynn, MA; Garrod, MG; Green, R; Miller, JW; Ramos, MI	1
Day, A; Evans, L; Freedman, M; Garcia, A; Paris-Pombo, A	1
Arnout, J; Baumgartner, ER; Fowler, B; Fryns, JP; Grünewald, S; Peters, H; Van Damme, B; Van Damme-Lombaerts, R; Van Hove, JL; Wevers, R	1
Jacques, PF; Morris, MS; Rosenberg, IH; Selhub, J	3
Abrahamsson, L; Ahola, L; Møller, J	1
Herrmann, W; Jouma, M; Obeid, R	2
Allen, RH; Beresford, SA; Brodkin, KI; Rajan, S; Stabler, SP; Wallace, JI	1
Geisel, J; Herrmann, W	1
Allen, RH; Baker, SD; Calvert, AH; Nelson, K; Niyikiza, C; Paoletti, P; Rusthoven, JJ; Seitz, DE; Stabler, SP; Walling, JM	1
Allen, LH; Boy, E; Chew, F; Green, R; Miller, JW; Rodriguez, M; Rogers, LM	1
Allen, LH; Boy, E; Green, R; Miller, JW; Rogers, LM; Sabel, JC	1
Bates, CJ; Mansoor, MA; Mishra, G; Prentice, A; Schneede, J	1
Allen, R; Bunn, PA; Calvert, AH; Hanauske, AR; Niyikiza, C; Paoletti, P; Rusthoven, JJ	1
Bridge, PJ; Fung, E; Hyndman, ME; Manns, BJ; Parsons, HG; Scott-Douglas, NW; Snyder, FF	1
Busch, M; Franke, S; Kientsch-Engel, R; Müller, A; Sommer, M; Stein, G	1
Chin A Paw, MJ; De Groot, LC; de Jong, N; Dhonukshe-Rutten, RA; Hiddink, GJ; Lips, M; van Dusseldorp, M; van Staveren, WA	1
Arnadottir, M; Hultberg, B	1
Birks, J; Clarke, R; Evans, JG; Johnston, C; McPartlin, J; Nexo, E; Refsum, H; Schneede, J; Scott, JM; Sherliker, P; Ueland, PM	1
Baumoehl, Y; Caspi, D; Elkayam, O; Habot, B; Leibovitz, A; Levartovsky, D; Litinsky, I; Paran, D; Segal, R; Sela, BA; Wigler, I	1
Geisel, J; Herrmann, W; Obeid, R; Schorr, H; Zarzour, W	1
Avşar, K; Cetin, M; Gök, M; Gültepe, M; Ozcan, O; Ozdemir, AS	1
Balla, B; Brattström, L; Hebelka, H; Hultgren, M; Kågedal, B; Landtblom, AM; Leerbeck, K; Mattsson, E; Nilsson, H; Osterberg, A; Vrethem, M	1
Geisel, J; Herrmann, W; Obeid, R; Schorr, H	2
Hamilton, V; Juhasz-Pocsine, K; Luzzio, CC; Waclawik, AJ	1
Barohn, RJ; Bryan, WW; Gronseth, GS; Herbelin, LL; Nations, SP; Saperstein, DS; Wolfe, GI	1
Borch, K; Marcusson, J; Mårdh, E; Mårdh, S; Nägga, K; Rajani, R	1
Hahn, A; Hermann, S; Wolters, M	2
Benoist, JF; Bolgert, F; Demeret, S; Gervais, D; Ogier de Baulny, H; Pierrot-Deseilligny, C; Roze, E; Said, G; Zittoun, J	1
Lewerin, C; Lindstedt, G; Matousek, M; Nilsson-Ehle, H; Steen, B	1
Kjaerstad, SI; Schneede, J; Ueland, PM	1
Markestad, T; Monsen, AL; Refsum, H; Ueland, PM	1
Hvas, AM; Nexo, E	2
Georg, T; Herrmann, M; Herrmann, W; Kindermann, W; Obeid, R; Scharhag, J; Schorr, H; Urhausen, A; Wilkinson, J	1
Evans, LR; Freedman, M; Garcia, AA; Haron, Y; Roman, GC; Smith, MG	1
Eckert, R; Herrmann, W; Obeid, R; Schorr, H	1
Bjørke Monsen, AL; Markestad, T; Refsum, H; Ueland, PM; Vollset, SE	1
Cole, DE; Delgado, DH; Evrovski, J; Keren, ES; Langman, LJ; Mamer, OA; Miner, SE; Miriuka, SG; Ross, HJ	1
Albanes, D; Baer, DJ; Brown, ED; Campbell, WS; Clevidence, BA; Dorgan, JF; Gunter, EW; Hartman, TJ; Judd, JT; Laufer, EM; Taylor, PR	1
Norman, EJ	1
Allen, R; Anand, K; Boden-Albala, B; Lee, HS; Paik, MC; Sacco, RL; Stabler, S	1
Solomon, LR	5
Antonello, RM; Bava, A; Cattaruzza, T; Cazzato, G; Moretti, R; Torre, P	1
Herrmann, W; Köhler, H; Kuhlmann, MK; Obeid, R	1
Geisel, J; Herrmann, W; Hübner, U; Koch, I; Obeid, R; Retzke, U	1
Herrmann, W; Kirsch, CM; Kuhlmann, M; Obeid, R	1
Girard, CL; Matte, JJ	1
Bjørke Monsen, AL; Riedel, B; Schneede, J; Ueland, PM	1
Cole, DE; Ray, JG	1
Hahn, A; Ströhle, A; Wolters, M	1
Fowler, B; Herrmann, W; Kuhlmann, MK; Makowski, J; Obeid, R; Schorr, H	1
Beaudet, AL; Bodamer, OA; Bottiglieri, T; O'Brien, WE; Sahoo, T; Scaglia, F; Stöckler-Ipsiroglu, S; Wagner, C	1
Boxer, AL; Finley, R; Goldman, J; Johnston, K; Kramer, JH; Miller, BL	1
Johansson, B; Lewerin, C; Matousek, M; Nilsson-Ehle, H; Steen, B; Steen, G	1
Clarke, R; de Groot, LC; Eussen, SJ; Hoefnagels, WH; Schneede, J; Ueland, PM; van Staveren, WA	1
Jacques, PF; Morris, MS; Selhub, J	2
Herrmann, W; Jäger, M; Munz, W; Obeid, R; Schmidt, W	1
Shojania, AM	1
Schneede, J; Ueland, PM	2
Fulton, AB; Hansen, RM; Marsden, DL; Tsina, EK	1
Caudill, SP; Gunter, EW; Osterloh, J; Pfeiffer, CM; Sampson, EJ	1
Arseth, O; Kvalheim, G; Ueland, PM; Windelberg, A	1
Henriksen, TB; Møller, J; Møller, UK; Nexø, E; Ramlau-Hansen, CH	1
Arning, E; Barbé, F; Bottiglieri, T; Franck, P; Montagne, P; Nicolas, JP; Serot, JM	1
Herrmann, M; Herrmann, W; Kindermann, W; Obeid, R; Scharhag, J	1
de Rooij, SE; Fischer, C; Hoekstra, JB; Huijmans, JG; Wiersinga, WJ	1
Bor, MV; Lydeking-Olsen, E; Møller, J; Nexø, E	1
Butler, C; Ellis, R; Goringe, A; Jenkins, C; McDowell, I; Vidal-Alaball, J; Worwood, M	1
Campbell, CD; Ficicioglu, C; Ganesh, J	1
Bergholt, T; Byg, KE; Eriksen, L; Hvas, AM; Milman, N	2
Blom, HJ; Bloo, RJ; Clarke, R; de Groot, LC; Eussen, SJ; Hoefnagels, WH; Joosten, LW; Schneede, J; Ueland, PM; van Staveren, WA	1
Herrmann, W; Hoever, J; Klockgether, T; Linnebank, M; Sturm, KU; Wellmer, J	1
Hasegawa, Y; Jiang, Y; Qin, J; Song, J; Sun, F; Wu, X; Yamaguchi, S; Yang, Y; Zhang, Y	1
Becker, G; Fassbender, K; Herrmann, W; Kasoha, M; Knapp, JP; Kostopoulos, P; Obeid, R	1
Cravens, DD; Nashelsky, J; Oh, RC	1
Lewerin, C; Ljungman, S; Nilsson-Ehle, H	1
Irjala, K; Isoaho, R; Kivelä, SL; Koskinen, P; Loikas, S; Löppönen, M; Pelliniemi, TT	1
Aarsetøy, H; Grundt, H; Mansoor, MA; Nilsen, DW; Reine, A; Valente, E	1
Baer, DJ; Clevidence, BA; Ettinger, S; Hartman, TJ; Johnson, L; Mahabir, S; Taylor, PR	1
Azzoli, CG; Dunne, M; Farmer, A; Ginsberg, MS; Gomez, J; Henry, R; Jones, J; Kris, MG; Krug, LM; Miller, VA; Pizzo, B; Sirotnak, FM; Steffen, R; Tyson, L; Venkatraman, E	1
Allen, RH; Barbosa, PR; Braga, RC; Guerra-Shinohara, EM; Hirata, MH; Hirata, RD; Machado, AL; Sampaio-Neto, LF; Stabler, SP	1
Aloe, L; Gammella, E; Mutti, E; Scalabrino, G; Stampachiacchere, B; Stampachiacchiere, B; Tacchini, L; Triaca, V; Veber, D	1
Guo, F; Jia, Z; Wang, R; Zhang, W; Zhu, X	1
Bahl, R; Bhan, MK; Bhandari, N; Gjessing, HK; Refsum, H; Schneede, J; Sommerfelt, H; Strand, TA; Taneja, S; Ueland, PM	1
Blom, HJ; Heil, SG; Hogeveen, M; Kluijtmans, LA; Morava, E; van de Berg, GB; van Dijken, PJ	1
Bhat, DS; Coyaji, KJ; Deshpande, SS; Deshpande, VU; Fall, CH; Fisher, DJ; Jackson, AA; Joglekar, CV; Joshi, N; Lubree, HG; Naik, SS; Rao, S; Refsum, H; Rege, SS; Yajnik, CS	1
Alehan, F; Erol, I; Gümüs, A	1
Clarke, SJ; Li, KM; Rivory, LP	1
Dong, JH; Jiang, YW; Liu, P; Qin, J; Song, JQ; Wang, LF; Wu, XR; Yan, R; Yang, YL; Zhang, Y; Zhang, YH	1
Bahl, R; Bhan, MK; Bhandari, N; Refsum, H; Schneede, J; Sommerfelt, H; Strand, TA; Taneja, S; Ueland, PM	1
Birks, J; Clarke, R; Evans, JG; Molloy, A; Nexo, E; Schneede, J; Scott, J; Ueland, PM	1
Agudo, A; Allen, N; Barricarte, A; Berglund, G; Bingham, S; Boeing, H; Boutron-Ruault, MC; Büchner, FL; Bueno-de-Mesquita, HB; Capella, G; Carneiro, F; Clavel-Chapelon, F; Del Giudice, G; Dorronsoro, M; Eussen, S; Ferrari, P; Fredriksen, A; Gjessing, HK; González, CA; Hallmans, G; Igland, J; Jenab, M; Kaaks, R; Key, TJ; Linseisen, J; Lund, E; Manjer, J; Martínez, C; Meyer, K; Navarro, C; Numans, ME; Overvad, K; Pala, V; Palli, D; Panico, S; Peeters, PH; Pera, G; Quirós, JR; Riboli, E; Sala, N; Slimani, N; Stenling, R; Tjønneland, A; Trichopoulou, A; Tumino, R; Ueland, PM; Vineis, P; Vollset, SE; Weikert, C	1
Allen, RH; Barbosa, PR; Carvalho, FR; Guerra-Shinohara, EM; Hirata, MH; Hirata, RD; Luchessi, AD; Stabler, SP; Trentin, R	1
Allen, RH; De Chicchis, AR; Johnson, MA; Park, S; Shea-Miller, K; Stabler, SP	1
Blom, H; den Heijer, M; Hogeveen, M; Kluijtmans, L; van Beynum, I; van Rooij, A	1
Quinlivan, EP	1
Dong, JH; Hasegawa, Y; Liu, P; Qin, J; Sayami, S; Shi, CY; Song, JQ; Yamaguchi, S; Yan, R; Yang, YL; Zhang, Y	1
Hempen, C; van der Sluijs Veer, G; Wanschers, H	1
Husek, P; Simek, P; Zahradnícková, H	1
Bjørke-Monsen, AL; Markestad, T; Saetran, H; Torsvik, I; Ueland, PM	1
Hay, G; Johnston, C; Refsum, H; Trygg, K; Whitelaw, A	2
Brouwer, IA; Clarke, R; Katan, MB; Verhoef, P; Winkels, RM	1
Choumenkovitch, S; Dallal, G; Jacques, PF; Rogers, G; Selhub, J	1
Brown, MS; Furtado, S; Suchowersky, O; Toth, C; Zochodne, D	1
Driever, PH; Hennermann, JB; Massenkeil, G; Sturm, I; von Arnim-Baas, A	1
Allen, RH; Carvalho, FR; Guerra-Shinohara, EM; Hirata, MH; Hirata, RD; Lopreato, FR; Robi, DL; Sampaio-Neto, LF; Stabler, SP	1
Kanakkaparambil, R; Li, D; Sinclair, KD; Singh, R; Webb, R	1
Hahn, A; Stettin, D; Ströhle, A; Waldmann, A	1
Coskun, O; Inan, L; Kara, N; Saydam, G; Senes, M; Yucel, D	1
Biselli, PM; Carvalho, VM; de Godoy, MF; Eberlin, MN; Goloni-Bertollo, EM; Guerzoni, AR; Haddad, R; Pavarino-Bertelli, EC; Vannucchi, H	1
Blom, HJ; Bravenboer, N; de Groot, LC; de Vries, TJ; Dhonukshe-Rutten, RA; Everts, V; Lute, C; Müller, M; Steegenga, WT; Vaes, BL	1
Hoey, L; McNulty, H; Strain, JJ	1
Allen, LH; Garrod, MG; Green, R; Haan, MN; Miller, JW	2
Allen, RH; Crossey, MJ; Glew, RH; Kellywood, J; Obande, OS; Patel, A; Stabler, SP; Ujah, IA; Vanderjagt, DJ	1
Toth, C; Wile, DJ	1
Alves da Silva, AF; Biselli, JM; Carvalho, VM; Eberlin, MN; Goloni-Bertollo, EM; Haddad, R; Machado, FB; Medina-Acosta, E; Pavarino-Bertelli, EC; Vannucchi, H; Zampieri, BL	1
Carmel, R	3
Fedosov, SN	1
Allen, RH; Bailey, LB; Bor, MV; Kauwell, GP; Maneval, DR; Nexo, E; Stabler, SP; von Castel-Roberts, KM	1
Fowler, B; Gailus, S; Hennermann, JB; Malerczyk-Aktas, AG; Nürnberg, P; Rutsch, F; Stucki, M; Suormala, T; Toliat, MR; Wittkampf, T	1
Bard, G; Barlogis, V; Giraudier, S; Hamel, C; Moat, SJ; Odent, S; Ogier de Baulny, H; Schiff, M; Shortland, G; Touati, G	1
Anastasio, N; Fedosov, S; Gallagher, RC; Hannibal, L; Jacobsen, DW; Lai, SC; Nakayama, Y; Quadros, EV; Rosenblatt, DS; Sequeira, JM; Wang, S; Watkins, D; Wright, E	1
Bailey, RL; Betz, JM; Dodd, KW; Dwyer, JT; Gahche, JJ; Mills, JL; Pfeiffer, CM; Picciano, MF; Sempos, CT; Yetley, EA	1
Graber, JJ; Kaufmann, H; Kolodny, EH; Sathe, S; Sherman, FT	1
Bötzel, K; Giese, A; Levin, J; Lorenzl, S; Vogeser, M	1
Deodato, F; Dionisi-Vici, C; Martinelli, D	1
Francis, JH; Rao, L; Rosen, RB	1
Cuthbert, CD; Gavrilov, DK; Loken, PR; Magera, MJ; Matern, D; Oglesbee, D; Raymond, KM; Rinaldo, P; Tortorelli, S; Turgeon, CT	1
Bross, MH; Smith-Knuppel, T; Soch, K	1
Gao, X; Gu, X; Han, L; Qiu, W; Wang, F; Wang, Y; Yang, Y; Ye, J; Zhang, H; Zhang, Y	1
Fokkema, MR; Hoeksma, M; Monsen, AL; Reijngoud, DJ; van Rijn, M; van Spronsen, FJ; Vugteveen, I	1
Bailey, LB; Berry, RJ; Carriquiry, AL; Cogswell, ME; Pfeiffer, CM; Yeung, LF	1
Biselli, JM; Carvalho, VM; Eberlin, MN; Goloni-Bertollo, EM; Haddad, R; Mendes, CC; Pavarino-Bertelli, EC; Riccio, MF; Vannucchi, H; Zampieri, BL	1
Anello, G; Bosco, P; Elia, M; Guéant, JL; Guéant-Rodriguez, RM; Lagrost, L; Moreno-Garcia, M; Romano, A; Spada, R	1
Ali, G; Bischoff, T; Boulat, O; Burnand, B; Favrat, B; Herzig, L; Vaucher, P; Verdon, F	1
Gallagher, CM; Meliker, JR	1
Rosenblatt, DS; Watkins, D	1
Chatthanawaree, W	1
Cuesta, J; Férnandez, C; García-Moll, X; Martí-Fabregas, J; Piñana, JL; Queraltó, JM; Remacha, AF; Rodriguez, A; Sardà, MP; Souto, JC	1
Casey, M; Cunningham, C; Molloy, AM; Scott, JM; Ueland, PM; Valente, E	1
DiBello, PM; Hannibal, L; Jacobsen, DW; Miller, A; Rosenblatt, DS; Wang, S; Willard, B; Yu, M	1
Bhandari, N; Manger, MS; Nygård, O; Refsum, H; Schneede, J; Sommerfelt, H; Strand, TA; Taneja, S; Ueland, PM	1
Hoffmann-Lücke, E; Nexo, E	1
Coates, PM; Johnson, CL; Yetley, EA	1
Johnson, CL; Yetley, EA	1
Bailey, RL; Blackmore, S; Bock, JL; Brody, LC; Carmel, R; Coates, PM; Curtin, LR; Durazo-Arvizu, RA; Eckfeldt, JH; Green, R; Gregory, JF; Hoofnagle, AN; Jacobsen, DW; Jacques, PF; Johnson, CL; Lacher, DA; Massaro, J; Mills, JL; Molloy, AM; Nexo, E; Pfeiffer, CM; Phinney, KW; Picciano, MF; Rader, JI; Selhub, J; Sempos, C; Shane, B; Stabler, S; Stover, P; Tamura, T; Tedstone, A; Thorpe, SJ; Yetley, EA	1
Benight, NM; Burrin, DG; Chacko, S; da Silva, VR; Gregory, JF; Marini, JC; Stabler, SP; Stoll, B	1
Hardlei, TF; Hvas, AM; Morkbak, AL; Nexo, E	1
Brody, LC; Carter, TC; Gibney, ER; Kirke, PN; Mills, JL; Molloy, AM; Scott, JM; Shane, B; Troendle, JF; Ueland, PM	1
Bertollo, EM; Biselli, JM; Carvalho, VM; Eberlin, MN; Haddad, R; Marucci, GH; Pavarino, EC; Riccio, MF; Valentin, S; Vannucchi, H; Zampieri, BL	1
Clarke, R; Fedosov, S; Hin, H; Lildballe, DL; Nexo, E; Sherliker, P	1
Andreasen, BH; Greibe, E; Hvas, AM; Lildballe, DL; Morkbak, AL; Nexo, E	1
Brosnan, JT; Brosnan, ME; Lamarre, SG; Molloy, AM; Reinke, SN; Sykes, BD	1
Gallagher, CM; Meliker, JR; Smith, DM	1
Agarwal, R	1
Kurpad, AV; Shetty, P; Shobha, V; Singh, RG; Srinivasan, K; Tarey, SD; Unni, US	1
Refsum, H; Smith, AD	1
Heil, SG; Lindemans, J; Russcher, H; Slobbe, L	1
Klein Wassink-Ruiter, JS; Pott, JW; van Vliet, A	1
Ericson, K; Gibson, CR; Heer, M; Mader, TH; Ploutz-Snyder, R; Smith, SM; Zwart, SR	1
Boyd, RN; Davies, PS; Moxon-Lester, L; Obeid, R; Schoendorfer, NC; Sharp, N; Vitetta, L	1
Huang, Y; Liu, YP; Ma, YY; Song, JQ; Wang, Q; Wu, TF; Yang, YL	1
Ajayi, OI; Bwayo-Weaver, S; Castro, O; Chirla, S; Daniel, M; Edwards, K; Gordeuk, VR; Lombardo, F; Nouraie, M; Serlemitsos-Day, M	1
Bigler, B; Kook, PH; Lutz, S; Reusch, CE; Riond, B; Sewell, AC	1
Biselli, JM; Carvalho, VM; Eberlin, MN; Fonseca, MF; Goloni-Bertollo, EM; Haddad, R; Pavarino, EC; Vannucchi, H; Zampieri, BL	1
Allen, LH; Anaya-Loyola, MA; Keyes, WR; Miller, JW; Newman, JW; Rosado, JL; Shahab-Ferdows, S; Vergara-Castañeda, H	1
Ding, Y; Huang, Y; Li, XY; Liu, YP; Ma, YY; Song, JQ; Wang, Q; Wu, TF; Yang, YL	1
Bjørke-Monsen, AL; Magnus, P; Midttun, Ø; Nilsen, RM; Reichborn-Kjennerud, T; Roth, C; Stoltenberg, C; Susser, E; Ueland, PM; Vollset, SE	1
Gallagher, CM; Golightly, MG; Meliker, JR; Smith, DM	1
Boulat, O; Mooser, V; Rey, F	1
Drevon, CA; Engedal, K; Nurk, E; Nygaard, HA; Refsum, H; Smith, AD; Tell, GS; Ueland, PM; Vogiatzoglou, A; Vollset, SE	1
Bahl, R; Bhandari, N; Refsum, H; Schneede, J; Sommerfelt, H; Strand, TA; Taneja, S; Ueland, PM	1
Bosch, R; Duggan, C; Kurpad, AV; Rajendran, R; Samuel, TM; Srinivasan, K; Thomas, T; Virtanen, SM	1
Pott, JW	2
Biselli, JM; Carvalho, VM; Eberlin, MN; Goloni-Bertollo, EM; Haddad, R; Marucci, GH; Mendes, CC; Oliveira, LD; Pavarino, ÉC; Raimundo, AM; Riccio, MF; Vannucchi, H; Zampieri, BL	1
Grützner, N; Heilmann, RM; Holzenburg, A; Rangachari, VR; Steiner, JM; Stupka, KC; Suchodolski, JS; Weber, K	1
Grzybowski, A	1
Mansoor, MA; Reine, A; Schneede, J; Stea, TH	1
Jansonius, NM	1
Liu, YP; Yang, YL	1
Bjørke-Monsen, AL; Markestad, T; Torsvik, I; Ueland, PM	1
Canals, C; Carrascosa, C; Queraltò, JM; Remacha, AF; Remacha, J; Sardà, MP; Zapico, E	1
Jung, KI; Park, CK; Park, HY	1
Benoist, JF; Cornec-Le Gall, E; De Parscau, L; Delmas, Y; Doucet, L; Fremeaux-Bacchi, V; Le Meur, Y; Ogier, H	1
Gustashaw, KA; Oberlin, BS; Rasmussen, HE; Tangney, CC	1
de Groot, LC; Doets, EL; Eussen, SJ; Nurk, E; Nygård, OK; Refsum, H; Smith, AD; Tell, GS; Ueland, PM; Van't Veer, P; Vollset, SE	1
Finer, S; Hitman, G; Saravanan, P; Yajnik, C	1
Bühner, M; Demmelmair, H; Handel, U; Heene, M; Koletzko, B; Martens, V; Moretti, D; Niesser, M; Peissner, W; Rauh-Pfeiffer, A; Weichert, J; Wiseman, S	1
Blom, H; Brouwer-Brolsma, EM; de Groot, LC; de Jongh, RT; Dhonukshe-Rutten, RA; Enneman, AW; Feskens, E; Geleijnse, JM; Ham, AH; Lips, P; Mattace-Raso, FU; Smulders, YM; Swart, KM; Uitterlinden, AG; van den Meiracker, AH; van der Velde, N; van der Zwaluw, NL; van Dijk, SC; van Meurs, J; van Schoor, NM; van Wijngaarden, JP	1
Kurpad, AV; Sowmya, S; Sucharita, S; Thomas, T; Vaz, M	1
Harrington, D; Hunt, A; Robinson, S	1
Albano, L; Caterino, M; di Girolamo, MG; Di Stefano, C; Franzese, I; Gallo, G; Ingenito, L; Pecce, R; Ruoppolo, M; Scolamiero, E; Villani, GR	1
Grützner, N; Steiner, JM; Suchodolski, JS	1
Guney, O; Islek, A; Kalay, S; Kalay, Z; Kirecci, A; Koklu, E; Parlak, M	1
Choo, YM; Kim, HJ; Lim, SY; Mahamad, UA; Yap, AC	1
Fayet-Moore, F; Petocz, P; Samman, S	1
de Sain-van der Velden, MGM; Jans, JJ; Prinsen, HCMT; van der Ham, M; van Hasselt, PM; Verhoeven-Duif, NM; Visser, G	1
Gebhart, CJ; Grützner, N; Lawhorn, BD; Steiner, JM; Suchodolski, JS	1
Ahmad, SM; Ahmed, T; Ahsan, KB; Allen, LH; Hampel, D; Rahman, SM; Raqib, R; Rashid, M; Roy, A; Shahab-Ferdows, S; Siddiqua, TJ	1
Armbruster, FP; Dschietzig, T; Dura, A; Nelle, E; Reich, M; Schwarz, J; Watanabe, F; Wintgens, KF	1
Allen, LH; Brito, A; Fedosov, SN; Green, R; Miller, JW	1
Akın, KO; Gulbahar, O; İspir, E; Kurt, İ; Ozgurtas, T; Serdar, MA; Yesildal, F	1
Linnebank, M; Müller, D; Tarnutzer, AA; Ulrich, A	1
Allen, RH; Bae, S; Caudill, MA; Jiang, X; Malysheva, O; Perry, CA; Stabler, SP; West, AA; Yan, J	1
Medina Escobar, P; Meier, DW; Nydegger, U; Risch, C; Risch, L; Risch, M; Sakem, B	1
Bailey, RL; Eicher-Miller, HA; Fakhouri, TH; Fan, R; Gahche, JJ; Looker, AC; Lu, Z; Mills, JL; Weaver, CM	1
Cook, P; Narayanan, S; Wainwright, P	1
Armbruster, FP; Dschietzig, T; Dura, A; Hartmann, K; Morstadt, E; Schwarz, J; Wintgens, KF	1
Merchant, RE; Phillips, TW; Udani, J	1
Baumgartner, M; Hersberger, M; Sass, JO; Staubli, G	1
Albala, C; Allen, LH; Brito, A; Castillo, JL; Fedosov, SN; Green, R; Hertrampf, E; Matamala, JM; Miller, JW; Sanchez, H; Shahab-Ferdows, S; Uauy, R; Verdugo, R	1
Bjørke Monsen, AL; Markestad, T; Midttun, Ø; Torsvik, IK; Ueland, PM	1
Akinci, S; Alişik, M; Dilek, I; Erel, O; Güney, T; Neşelioğlu, S	1
Edwin, P; Gupta, D; Lammersfeld, C; Popiel, B; Vashi, P	1
Björkqvist, HG; Carlsson, GU; Gustavsson, BG; Kurlberg, GK; Odin, EA; Stoffregen, CC; Tångefjord, MT	1
Dopsaj, V; Martinovic, J; Totoskovic, D	1
Berger, H; Croxford, R; Kim, YI; Lamers, Y; Lausman, AY; Ly, A; Masih, SP; O'Connor, DL; Plumptre, L; Schroder, TH; Sohn, KJ; Visentin, CE	1
Chandyo, RK; Schneede, J; Sommerfelt, H; Strand, TA; Ueland, PM; Ulak, M	1
Leotsinidis, M; Manios, Y; Mavrogianni, C; Moschonis, G; Singh-Povel, CM; van den Heuvel, EG	1
Harrison, J; Ho, CS; Kung, K; Kwok, T; Lam, A; Lam, L; Lee, J; Lee, V; Ma, RC; Wong, SY	1
Cho, YY; Choi, R; Choi, S; Chung, JH; Kim, HJ; Kim, SW; Lee, SY; Lim, Y; Oh, SY	1
Almond, T; Cavuoto, P; Dhillon, VS; Fenech, M; James-Martin, G; Zabaras, D	1
Brouwer-Brolsma, EM; de Groot, LC; Dhonukshe-Rutten, RA; Enneman, AW; In 't Veld, PH; Kessels, RP; Kok, FJ; Kourie, DI; Smeets, PA; Swart, KM; van de Rest, O; van der Velde, N; van der Zwaluw, NL; van Dijk, SC; van Wijngaarden, JP	1
Roessler, FC; Wolff, S	1
Ahrens-Nicklas, RC; Blair, J; Brochi, L; Burfield, J; Cuddapah, S; Ficicioglu, C; Kaplan, P; Whitaker, AM; Yudkoff, M	1
Chandyo, RK; Fawzi, W; Henjum, S; Hysing, M; Kvestad, I; Midttun, Ø; Shrestha, M; Shrestha, PS; Strand, TA; Thorne-Lyman, AL; Ueland, PM; Ulak, M	1
Bernstein, V; Brien, W; Chalchal, HI; Chen, BE; Gelmon, KA; Goodwin, PJ; Hershman, DL; Hobday, TJ; Lemieux, J; Liebman, MF; Ligibel, JA; Lohmann, AE; Mayer, IA; Mukherjee, SD; Parulekar, WR; Pritchard, KI; Rastogi, P; Shepherd, LE; Stambolic, V; Thompson, AM; Whelan, TJ	1
Francisco, C; Fu, X; Mitchell, WG; O'Gorman, MR; Pattengale, P	1
Lynch, KL	1
Bucelli, RC; Wilks, A	1
Blystone, C; Brar, SS; Cora, MC; Gwinn, W; King, D; Kissling, GE; Olivera, D; Travlos, G; Waidyanatha, S; Wilson, R	1
Allen, LH; Bjørke-Monsen, AL; Brito, A; Green, R; Guéant, JL; Miller, JW; Molloy, AM; Nexo, E; Stabler, S; Toh, BH; Ueland, PM; Yajnik, C	1
Kang, K; Ko, PW; Lee, HW; Park, D; Park, JS	1
Brunaud, L; Gueant, JL; Gueant-Rodriguez, RM; Li, Z; Meyre, D; Quilliot, D; Sirveaux, MA	1
Filhine-Trésarrieu, P; Guéant, JL; Levy, J; Namour, F; Oussalah, A	1
Chen, M; Wang, D; Yang, J; Yang, Q; Zhuang, J	1
Abild, CB; Hvas, CL; Kornerup, LS; Nexo, E; Richelsen, B	1
Ballesteros, M; Cavallé-Busquets, P; Colomina, JM; Fernandez-Ballart, J; Inglès-Puig, M; Murphy, MM; Ornosa-Martín, G; Salat-Batlle, J; Solé-Navais, P; Ueland, PM	1
Chandyo, RK; Hysing, M; Kvestad, I; Ranjitkar, S; Shrestha, L; Shrestha, M; Strand, TA; Ueland, PM; Ulak, M; Ulvik, A	1
Chandyo, RK; Henjum, S; Kvestad, I; Shrestha, M; Shrestha, PS; Strand, TA; Thorne-Lyman, AL; Ueland, PM; Ulak, M; Ulvik, A	1
Miller, JW	1
Bastiaans, K; Dhillon, VS; Fenech, M; Herreen, D; Zajac, IT	1
Lidbury, JA; Olmedal, G; Spillmann, T; Spodsberg, E; Steiner, JM; Suchodolski, JS; Toresson, L	1
Barić, I; Bártl, J; Baumgartner, MR; Ben-Omran, T; Blasco-Alonso, J; Blom, HJ; Bueno Delgado, MA; Carducci, C; Cassanello, M; Cerone, R; Chrastina, P; Couce, ML; Crushell, E; Delgado Pecellin, C; Dionisi-Vici, C; Dulin, E; Espada, M; Ferino, G; Fingerhut, R; Garcia Jimenez, I; Gleich, F; Gonzalez Gallego, I; González-Irazabal, Y; Gouveia, S; Gramer, G; Huemer, M; Juan Fita, MJ; Karg, E; Keller, R; Klein, J; Kölker, S; Konstantopoulou, V; Kožich, V; la Marca, G; Leão Teles, E; Leuzzi, V; Lilliu, F; Lopez, RM; Lund, AM; Mayne, P; Meavilla, S; Moat, SJ; Morris, AA; Okun, JG; Pasquini, E; Pavlíková, M; Pedron-Giner, CC; Racz, GZ; Ribes, A; Ruiz Gomez, MA; Vilarinho, L; Yahyaoui, R; Zerjav Tansek, M; Zetterström, RH; Zeyda, M	1
Chun, MR; Lee, SM; Lee, SY; Oh, J	1
Caldeira-Araújo, H; Castro, R; Florindo, C; Ramos, R; Rivera, I; Tavares de Almeida, I	1
Borgstrøm Hager, H; Brokner, M; Lindberg, M	1
Saravanan, P; Sukumar, N	1
Ahmadi, KR; Andrew, T; Dalmia, A; Dib, MJ; Harrington, DJ; Maude, H; Sobczyńska-Malefora, A	1
Ghorbani, Z; Martami, F; Razeghi Jahromi, S; Seifishahpar, M; Togha, M	1
Bae, S; Caudill, MA; Jiang, X; King, JH; Klatt, KC; Kwan, STC; Malysheva, OV; Roberson, MS; Yan, J	1
Cui, J; Cui, X; Wang, L; Wang, Y; Zhang, H; Zheng, H	1
Behringer, S; Gründemann, C; Hannibal, L; Hettich, M; Huber, R; Lederer, AK; Maul-Pavicic, A; Müller, A; Samstag, Y; Schmiech, M; Simmet, T; Spiekerkoetter, U; Steinborn, C; Zimmermann-Klemd, AM	1
Basgalupp, SP; Behringer, S; Ferreira, C; Hannibal, L; Schwartz, IVD; Siebert, M; Spiekerkoetter, U	1
Mazokopakis, EE	1
Bhatia, P; Chaudhary, H; Sankhyan, N; Singhi, P; Vaidya, PC; Verma, S	1
Jarquin Campos, A; Nydegger, U; Renz, H; Risch, L; Risch, M; Stanga, Z; Vazquez Van Dyck, M; Wiesner, J	1
Grützner, N; Lopes, R; Nathues, H; Opriessnig, T; Steiner, JM; Suchodolski, JS	1
Akış, M; Arslan, N; Işık, İ; İşlekel, H; Kant, M; Kısa, PT; Köse, E	1
Hu, L; Hu, Z; Huang, X; Lin, Y; Wang, J; Yang, J; Zhang, C; Zhang, Y	1
Chen, LQ; Chen, RY; Chen, XQ; Li, XZ; Lin, Q; Shen, YY; Wu, HY; Xu, QY; Zhu, XM; Zhu, Y	1
Campos, AJ; Dyck, MVV; Nydegger, U; Renz, H; Risch, L; Risch, M; Seger, C; Stanga, Z; Wiesner, J	1
Choi, R; Kim, S; Kim, Y; Lee, EH; Lee, SG; Oh, Y; Park, MJ	1
El-Sherif, M; Esmael, A; Hashem, MM; Nassar, AK	1
Attri, SV; Kaur, R; Saini, AG; Sankhyan, N	1
Bharadwaj, B; Dhiman, P; Pillai, RR; Premkumar, N; Rajendiran, S; Ranjan, VP; Wilson, AB	1
Chen, T; Gong, Z; Gu, X; Han, L; Liang, L; Qiu, W; Wang, L; Xiao, B; Xu, F; Ye, J; Zhang, H; Zhu, H	1
Guéant, JL; Jeannesson, E; Levy, J; Oussalah, A; Rodriguez-Guéant, RM; Wahl, D; Ziuly, S	1
Argudo, A; Arranz, JA; Artuch, R; Carnicer, C; de Aledo-Castillo, JMG; de Los Santos, MM; Del Toro, M; Fernández, R; García-Cazorla, Á; García-Villoria, J; García-Volpe, C; Gort, L; López, RM; Marín, JL; Meavilla, SM; Navarro-Sastre, A; Ormazabal, A; Pajares, S; Ribes, A; Tort, F	1
Cui, Y; Holvoet, P; Vermorken, AJM; Zhu, J	1
Baumgartner, MR; Forny, M; Froese, DS; Grimm, C; Kiessling, E; Kožich, V; Krijt, J; Nötzli, S; Samardzija, M; Todorova, V	1
Chandyo, RK; Hysing, M; Kvestad, I; McCann, A; Ranjitkar, S; Schwinger, C; Sharma, S; Shrestha, LP; Shrestha, M; Strand, TA; Ueland, PM; Ulak, M	1
Carter, B; Hudson, PR; McCaddon, A; Moat, SJ; Russell, IT; Zenasni, Z	1
Notermans, NC; van den Berg, LH; van Doormaal, PTC; van Eijk, RPA; Verhoeven-Duif, NM; Vrancken, AFJE; Warendorf, JK	1
Elmaghrabi, A; Gotway, G; Wolf, MTF; Wood, WD	1
Amir, R; Sluyts, Y; Vanherpe, P; Vanhoenacker, F; Vermeersch, P	1
Abildgaard, A; Greibe, E; Hoejskov, CS; Knudsen, CS; Parkner, T	1
Berberoglu, M; Dogan, O; Eminoglu, FT; Kontbay, T; Kose, E; Siklar, Z; Taş, Ö; Tumer, L	1
Crider, KS; Qi, YP; Rose, CE; Samson, ME; Taylor, CA; Yeung, LF	1
Ballesteros, M; Cavallé-Busquets, P; Fernandez-Ballart, J; Grifoll, C; Masana, L; Murphy, MM; Ornosa-Martin, G; Ramos-Rodriguez, C; Rojas-Gómez, A; Solé-Navais, P; Ueland, PM	1
Marsden, P; Rotella, JA; Sharma, AA	1
Bjørke-Monsen, AL; Eklund, EA; Lindberg, M; Ljungblad, UW; Saeves, I; Tangeraas, T	1
Chen, T; Gong, Z; Han, L; Liang, L; Ling, S; Wang, F; Xu, F; Yu, Y	1
Bhatta, RS; Bisen, AC; Godbole, MM; Kumar, M; Kumar, P; Mishra, A; Rathore, AS; Sanap, SN; Verma, SK	1
Florindo, C; Gaspar, A; Janeiro, P; Lipari Pinto, P; Mexia, S; Rocha, H; Santos, RL; Tavares de Almeida, I; Vilarinho, L	1
Cao, B; Liu, D; Xue, Y	1

Reviews

43 review(s) available for homocysteine and methylmalonic acid

Article	Year
[Determination of homocysteine and methylmalonic acid in cobalamin deficiency. Diagnostic problem with a solution?]. Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 1991, Feb-10, Volume: 111, Issue:4 Topics: Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	1991
Diagnosis of megaloblastic anemia. Annual review of medicine, 1991, Volume: 42 Topics: Anemia, Megaloblastic; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	1991
How to diagnose cobalamin deficiency. Scandinavian journal of clinical and laboratory investigation. Supplementum, 1994, Volume: 219 Topics: Gastrins; History, 19th Century; History, 20th Century; Homocysteine; Humans; Methylmalonic Acid; Pepsinogens; Schilling Test; Vitamin B 12; Vitamin B 12 Deficiency	1994
[P-methylmalonate and P-homocysteine: metabolic markers of vitamin deficiencies. Background, validity and applications]. Ugeskrift for laeger, 1996, Jul-01, Volume: 158, Issue:27 Topics: Amino Acids; Biomarkers; Blood Chemical Analysis; Evaluation Studies as Topic; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency; Vitamin B Deficiency	1996
High prevalence of cobalamin deficiency in the elderly. Transactions of the American Clinical and Climatological Association, 1996, Volume: 107 Topics: Aged; Hematologic Diseases; Homocysteine; Humans; Mental Disorders; Methylmalonic Acid; Nervous System Diseases; Vascular Diseases; Vitamin B 12; Vitamin B 12 Deficiency	1996
Vitamin B12 replacement. To B12 or not to B12? Canadian family physician Medecin de famille canadien, 1997, Volume: 43 Topics: Family Practice; Homocysteine; Humans; Methylmalonic Acid; Prevalence; Research Design; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	1997
Vitamin B-12 deficiency in the elderly: current dilemmas. The American journal of clinical nutrition, 1997, Volume: 66, Issue:4 Topics: Acyl Coenzyme A; Aged; Aged, 80 and over; Female; Homocysteine; Humans; Male; Methionine; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency	1997
Remethylation defects: guidelines for clinical diagnosis and treatment. European journal of pediatrics, 1998, Volume: 157 Suppl 2 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adult; Betaine; Child, Preschool; Folic Acid; Homocysteine; Humans; Hydroxocobalamin; Infant; Infant, Newborn; Metabolism, Inborn Errors; Methionine; Methylation; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Oxidoreductases Acting on CH-NH Group Donors; Practice Guidelines as Topic; Vitamin B 12	1998
Relevance of vitamins, homocysteine and other metabolites in neuropsychiatric disorders. European journal of pediatrics, 1998, Volume: 157 Suppl 2 Topics: Central Nervous System Diseases; Citrates; Demyelinating Diseases; Folic Acid; Homocysteine; Humans; Mental Disorders; Methionine; Methylmalonic Acid; Vitamin B 12	1998
[Inherited disorders of cobalamin metabolism]. Ryoikibetsu shokogun shirizu, 1998, Issue:19 Pt 2 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Biomarkers; Child, Preschool; Diagnosis, Differential; Homocysteine; Humans; Infant; Infant, Newborn; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Mutation; Prognosis; Vitamin B 12; Vitamin B 12 Deficiency	1998
Laboratory diagnosis of vitamin B12 and folate deficiency: a guide for the primary care physician. Archives of internal medicine, 1999, Jun-28, Volume: 159, Issue:12 Topics: Antibodies; Clinical Laboratory Techniques; Clinical Trials as Topic; Decision Trees; Diagnosis, Differential; Erythrocytes; Folic Acid Deficiency; Hematologic Diseases; Homocysteine; Humans; Intrinsic Factor; Methylmalonic Acid; Nervous System Diseases; Parietal Cells, Gastric; Primary Health Care; Schilling Test; Vitamin B 12; Vitamin B 12 Deficiency	1999
[Diagnosis of vitamin B12 deficiency: only apparently child's play]. Schweizerische medizinische Wochenschrift, 1999, Jun-12, Volume: 129, Issue:23 Topics: Aging; Anemia, Pernicious; Blood Cell Count; Diagnosis, Differential; Folic Acid Deficiency; Gastritis, Atrophic; Gastroscopy; Homocysteine; Humans; Methylmalonic Acid; Schilling Test; Vitamin B 12; Vitamin B 12 Deficiency	1999
Cobalamin and folate evaluation: measurement of methylmalonic acid and homocysteine vs vitamin B(12) and folate. Clinical chemistry, 2000, Volume: 46, Issue:8 Pt 2 Topics: Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2000
[Homocysteine and methylmalonic acid as markers of cobalamin/folate status. The association to neuropsychiatric symptoms in the elderly is explored]. Lakartidningen, 2000, Sep-20, Volume: 97, Issue:38 Topics: Aged; Biomarkers; Cognition Disorders; Diagnosis, Differential; Folic Acid Deficiency; Geriatric Psychiatry; Homocysteine; Humans; Mental Disorders; Methylmalonic Acid; Reference Values; Vitamin B 12 Deficiency	2000
Vegetarian lifestyle and monitoring of vitamin B-12 status. Clinica chimica acta; international journal of clinical chemistry, 2002, Volume: 326, Issue:1-2 Topics: Analysis of Variance; Diet, Vegetarian; Hemoglobins; Homocysteine; Humans; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2002
Pemetrexed safety and dosing strategy. Seminars in oncology, 2002, Volume: 29, Issue:6 Suppl 18 Topics: Antimetabolites, Antineoplastic; Clinical Trials as Topic; Folic Acid; Folic Acid Antagonists; Glutamates; Guanine; Homocysteine; Humans; Methylmalonic Acid; Neoplasms; Pemetrexed; Thymidylate Synthase; Vitamin B 12	2002
[Diagnosis of vitamin B12 deficiency--time for reflection]. Ugeskrift for laeger, 2003, May-05, Volume: 165, Issue:19 Topics: Biomarkers; Homocysteine; Humans; Methylmalonic Acid; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	2003
[Vitamin B12 in the Nordic countries. Deficiency, diagnosis, treatment in Sweden]. Ugeskrift for laeger, 2003, May-05, Volume: 165, Issue:19 Topics: Biomarkers; Homocysteine; Humans; Methylmalonic Acid; Practice Patterns, Physicians'; Scandinavian and Nordic Countries; Vitamin B 12; Vitamin B 12 Deficiency	2003
Homocysteine and methylmalonic acid in diagnosis and risk assessment from infancy to adolescence. The American journal of clinical nutrition, 2003, Volume: 78, Issue:1 Topics: Adolescent; Child; Child, Preschool; Folic Acid; Folic Acid Deficiency; Food, Fortified; Homocysteine; Humans; Infant; Infant, Newborn; Methylmalonic Acid; Vitamin B 12 Deficiency	2003
Vitamin B12 and folate depletion in cognition: a review. Neurology India, 2004, Volume: 52, Issue:3 Topics: Cognition; Cognition Disorders; Dementia; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2004
[Cobalamin--a critical nutritive element in old age]. Medizinische Monatsschrift fur Pharmazeuten, 2005, Volume: 28, Issue:2 Topics: Aged; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2005
Novel and established markers of cobalamin deficiency: complementary or exclusive diagnostic strategies. Seminars in vascular medicine, 2005, Volume: 5, Issue:2 Topics: Biomarkers; Diagnosis, Differential; Homocysteine; Humans; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2005
[Diagnosis of vitamin B12 deficiency revised]. Nederlands tijdschrift voor geneeskunde, 2005, Dec-10, Volume: 149, Issue:50 Topics: Homocysteine; Humans; Methylmalonic Acid; Predictive Value of Tests; Schilling Test; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	2005
Clinical inquiries. How do we evaluate a marginally low B12 level? The Journal of family practice, 2007, Volume: 56, Issue:1 Topics: Evaluation Studies as Topic; Evidence-Based Medicine; Family Practice; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Prognosis; Risk Factors; Sensitivity and Specificity; Severity of Illness Index; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency	2007
[Measurement of methylmalonic acid, homocysteine and methionine in cobalamin and folate deficiencies and homocysteinuria]. Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 2008, Mar-13, Volume: 128, Issue:6 Topics: Amino Acid Metabolism, Inborn Errors; Biomarkers; Diagnosis, Differential; Folic Acid; Folic Acid Deficiency; Food, Fortified; Homocysteine; Humans; Infant; Infant, Newborn; Methionine; Methylmalonic Acid; Vitamin B 12 Deficiency	2008
The use of blood concentrations of vitamins and their respective functional indicators to define folate and vitamin B12 status. Food and nutrition bulletin, 2008, Volume: 29, Issue:2 Suppl Topics: Biomarkers; Erythrocytes; Folic Acid; Folic Acid Deficiency; Food, Fortified; Homocysteine; Humans; Methylmalonic Acid; Nutrition Assessment; Nutritional Status; Reference Standards; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency	2008
Studies of biomarker responses to intervention with vitamin B-12: a systematic review of randomized controlled trials. The American journal of clinical nutrition, 2009, Volume: 89, Issue:6 Topics: Biomarkers; Dietary Supplements; Homocysteine; Humans; Methylmalonic Acid; Nutrition Assessment; Nutritional Status; Randomized Controlled Trials as Topic; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2009
Cobalamin C defect: natural history, pathophysiology, and treatment. Journal of inherited metabolic disease, 2011, Volume: 34, Issue:1 Topics: Age of Onset; Homocysteine; Humans; Methionine; Methylmalonic Acid; Models, Biological; Vitamin B 12; Vitamin B 12 Deficiency	2011
Biomarkers of cobalamin (vitamin B12) deficiency and its application. The journal of nutrition, health & aging, 2011, Volume: 15, Issue:3 Topics: Aging; Biomarkers; Cognition Disorders; Erythrocyte Indices; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2011
Holotranscobalamin, a marker of vitamin B-12 status: analytical aspects and clinical utility. The American journal of clinical nutrition, 2011, Volume: 94, Issue:1 Topics: Biomarkers; Circadian Rhythm; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2011
Overview of a roundtable on NHANES monitoring of biomarkers of folate and vitamin B-12 status: measurement procedure issues. The American journal of clinical nutrition, 2011, Volume: 94, Issue:1 Topics: Biomarkers; Chromatography, Liquid; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Nutrition Surveys; Tandem Mass Spectrometry; Vitamin B 12; Vitamin B 12 Deficiency	2011
Folate and vitamin B-12 biomarkers in NHANES: history of their measurement and use. The American journal of clinical nutrition, 2011, Volume: 94, Issue:1 Topics: Bias; Biomarkers; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Nutrition Surveys; Public Policy; Vitamin B 12	2011
Biomarkers of cobalamin (vitamin B-12) status in the epidemiologic setting: a critical overview of context, applications, and performance characteristics of cobalamin, methylmalonic acid, and holotranscobalamin II. The American journal of clinical nutrition, 2011, Volume: 94, Issue:1 Topics: Biomarkers; Homocysteine; Humans; Methylmalonic Acid; Public Health; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2011
Biomarkers of vitamin B-12 status in NHANES: a roundtable summary. The American journal of clinical nutrition, 2011, Volume: 94, Issue:1 Topics: Biomarkers; Cognition Disorders; Homocysteine; Humans; Methylmalonic Acid; Nutrition Surveys; Public Health; Vitamin B 12; Vitamin B 12 Deficiency	2011
Clinical practice. Vitamin B12 deficiency. The New England journal of medicine, 2013, Jan-10, Volume: 368, Issue:2 Topics: Administration, Oral; Anemia, Pernicious; Child; Child Nutrition Disorders; Diagnostic Errors; Female; Homocysteine; Humans; Infant; Infant Nutrition Disorders; Injections; Intestinal Absorption; Methylmalonic Acid; Middle Aged; Paresthesia; Practice Guidelines as Topic; Vitamin B 12; Vitamin B 12 Deficiency	2013
[Advances in the clinical and laboratory studies on methylmalonic aciduria combined with homocysteinemia type cblC]. Zhonghua er ke za zhi = Chinese journal of pediatrics, 2013, Volume: 51, Issue:4 Topics: Adult; Age of Onset; Amino Acid Metabolism, Inborn Errors; Betaine; Carrier Proteins; Child; China; DNA Mutational Analysis; Gas Chromatography-Mass Spectrometry; Genotype; Homocysteine; Humans; Hydroxocobalamin; Hyperhomocysteinemia; Infant; Methylmalonic Acid; Mutation; Oxidoreductases; Vitamin B 12	2013
The role of the one-carbon cycle in the developmental origins of Type 2 diabetes and obesity. Diabetic medicine : a journal of the British Diabetic Association, 2014, Volume: 31, Issue:3 Topics: Adiposity; Carbon Cycle; Diabetes Mellitus, Type 2; Environmental Exposure; Female; Fetal Development; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Infant, Newborn; Insulin Resistance; Male; Maternal Nutritional Physiological Phenomena; Methylmalonic Acid; Obesity; Pregnancy; Prenatal Exposure Delayed Effects; Vitamin B 12; Vitamin B 12 Deficiency	2014
Vitamin B12 deficiency. BMJ (Clinical research ed.), 2014, Sep-04, Volume: 349 Topics: Homocysteine; Humans; Hydroxocobalamin; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2014
Vitamin B Nature reviews. Disease primers, 2017, Jun-29, Volume: 3 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Biomarkers; Child; Child, Preschool; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Prevalence; Risk Factors; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2017
Association of The American journal of clinical nutrition, 2017, Volume: 106, Issue:4 Topics: Adult; Aged; Alleles; Alzheimer Disease; Carbon; Child; Congenital Abnormalities; Female; Genotype; Homocysteine; Humans; Male; Methylmalonic Acid; Neoplasms; Polymorphism, Single Nucleotide; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; White People	2017
Atypical hemolytic uremic syndrome induced by CblC subtype of methylmalonic academia: A case report and literature review. Medicine, 2017, Volume: 96, Issue:43 Topics: Amino Acid Metabolism, Inborn Errors; Atypical Hemolytic Uremic Syndrome; Carrier Proteins; Child, Preschool; Female; Homocysteine; Humans; Kidney; Methylmalonic Acid; Mutation; Oxidoreductases; Treatment Outcome; Vitamin B 12; Vitamin B Complex	2017
Proton Pump Inhibitors, H2-Receptor Antagonists, Metformin, and Vitamin B-12 Deficiency: Clinical Implications. Advances in nutrition (Bethesda, Md.), 2018, 07-01, Volume: 9, Issue:4 Topics: Histamine H2 Antagonists; Homocysteine; Humans; Metformin; Methylmalonic Acid; Nutritional Status; Proton Pump Inhibitors; Risk Factors; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2018
Review article: Clinical manifestations and outcomes of chronic nitrous oxide misuse: A systematic review. Emergency medicine Australasia : EMA, 2022, Volume: 34, Issue:4 Topics: Homocysteine; Humans; Methylmalonic Acid; Nitrous Oxide; Prospective Studies; Vitamin B 12; Vitamin B 12 Deficiency	2022

Trials

64 trial(s) available for homocysteine and methylmalonic acid

Article	Year
Effects of vitamin B12, folate, and vitamin B6 supplements in elderly people with normal serum vitamin concentrations. Lancet (London, England), 1995, Jul-08, Volume: 346, Issue:8967 Topics: Aged; Aged, 80 and over; Avitaminosis; Citrates; Cystathionine; Double-Blind Method; Female; Folic Acid; Follow-Up Studies; Homocysteine; Humans; Injections, Intramuscular; Male; Methylmalonic Acid; Placebos; Prospective Studies; Pyridoxine; Vitamin B 12; Vitamin B 12 Deficiency	1995
Methylmalonic acid and homocysteine in plasma as indicators of functional cobalamin deficiency in infants on macrobiotic diets. Pediatric research, 1994, Volume: 36, Issue:2 Topics: Diet, Macrobiotic; Female; Homocysteine; Humans; Infant; Male; Methylmalonic Acid; Reference Values; Vitamin B 12 Deficiency	1994
Metformin increases total serum homocysteine levels in non-diabetic male patients with coronary heart disease. Scandinavian journal of clinical and laboratory investigation, 1997, Volume: 57, Issue:6 Topics: Adult; Coronary Disease; Cysteine; Folic Acid; Homocysteine; Humans; Hypoglycemic Agents; Male; Metformin; Methylmalonic Acid; Middle Aged; Vitamin B 12	1997
Effective treatment of cobalamin deficiency with oral cobalamin. Blood, 1998, Aug-15, Volume: 92, Issue:4 Topics: Administration, Oral; Adult; Aged; Aged, 80 and over; Female; Folic Acid; Hematocrit; Homocysteine; Humans; Injections, Intramuscular; Male; Methylmalonic Acid; Middle Aged; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency	1998
Pathological changes in cobalt-supplemented and non-supplemented twin lambs in relation to blood concentrations of methylmalonic acid and homocysteine. The veterinary quarterly, 1999, Volume: 21, Issue:3 Topics: Animals; Brain; Brain Diseases; Cobalt; Copper; Diet; Female; Hepatitis, Chronic; Homocysteine; Litter Size; Liver; Male; Methylmalonic Acid; Sheep; Sheep Diseases; Twins; Vitamin B 12; Vitamin B 12 Deficiency	1999
Elevated serum levels of methylmalonic acid and homocysteine in elderly people. A population-based intervention study. Journal of internal medicine, 1999, Volume: 246, Issue:3 Topics: Administration, Oral; Aged; Female; Folic Acid; Hematinics; Homocysteine; Humans; Injections, Intramuscular; Male; Methylmalonic Acid; Treatment Outcome; Vitamin B 12	1999
Total homocysteine is associated with nephropathy in non-insulin-dependent diabetes mellitus. Metabolism: clinical and experimental, 1999, Volume: 48, Issue:9 Topics: Adult; Aged; Albuminuria; Cystathionine; Diabetes Mellitus, Type 2; Diabetic Nephropathies; Female; Homocysteine; Humans; Hyperhomocysteinemia; Hypertension; Kidney Function Tests; Male; Methylmalonic Acid; Middle Aged; Regression Analysis; Vitamins	1999
Elevated serum levels of methylmalonic acid and homocysteine in elderly people. A population-based intervention study. Journal of internal medicine, 1999, Volume: 246, Issue:6 Topics: Administration, Oral; Aged; Aged, 80 and over; Drug Therapy, Combination; Female; Folic Acid; Hematinics; Homocysteine; Humans; Injections, Intramuscular; Male; Methylmalonic Acid; Population Surveillance; Treatment Outcome; Vitamin B 12	1999
The plasma homocysteine concentration is better than that of serum methylmalonic acid as a marker for sociopsychological performance in a psychogeriatric population. Clinical chemistry, 2000, Volume: 46, Issue:5 Topics: Aged; Aged, 80 and over; Dementia; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Male; Methylmalonic Acid; Psychiatric Status Rating Scales; Regression Analysis; Vitamin B 12; Vitamin B 12 Deficiency	2000
Nutrient-dense foods and exercise in frail elderly: effects on B vitamins, homocysteine, methylmalonic acid, and neuropsychological functioning. The American journal of clinical nutrition, 2001, Volume: 73, Issue:2 Topics: Aged; Aged, 80 and over; Cohort Studies; Cross-Sectional Studies; Dietary Supplements; Exercise; Female; Food, Fortified; Frail Elderly; Homocysteine; Humans; Male; Methylmalonic Acid; Nervous System Diseases; Nervous System Physiological Phenomena; Netherlands; Neuropsychological Tests; Nutrition Policy; Nutritional Status; Nutritive Value; Socialization; Surveys and Questionnaires; Vitamin B Complex	2001
Parenteral vitamin B12 reduces hyperhomocysteinemia in end-stage renal disease. Clinical and investigative medicine. Medecine clinique et experimentale, 2001, Volume: 24, Issue:1 Topics: Cysteine; Homocysteine; Humans; Hyperhomocysteinemia; Injections, Subcutaneous; Kidney Failure, Chronic; Methylmalonic Acid; Renal Dialysis; Vitamin B 12	2001
Vitamin B12 treatment normalizes metabolic markers but has limited clinical effect: a randomized placebo-controlled study. Clinical chemistry, 2001, Volume: 47, Issue:8 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Neurologic Examination; Vitamin B 12; Vitamin B 12 Deficiency	2001
Determinants of cobalamin status in newborns. Pediatrics, 2001, Volume: 108, Issue:3 Topics: Adult; Biomarkers; Female; Homocysteine; Humans; Infant, Newborn; Logistic Models; Maternal-Fetal Exchange; Methylmalonic Acid; Parity; Pregnancy; Reference Values; Vitamin B 12	2001
Decrease of elevated N,N-dimethylglycine and N-methylglycine in human immunodeficiency virus infection during short-term highly active antiretroviral therapy. Metabolism: clinical and experimental, 2001, Volume: 50, Issue:11 Topics: Adult; Aged; Aged, 80 and over; Anti-HIV Agents; Antigens, CD; Antiretroviral Therapy, Highly Active; Biomarkers; Cystathionine; Cysteine; Fasting; Female; Folic Acid; HIV Infections; HIV-1; Homocysteine; Humans; Male; Methionine; Methylmalonic Acid; Middle Aged; Multivariate Analysis; Receptors, Tumor Necrosis Factor; Receptors, Tumor Necrosis Factor, Type II; Sarcosine; Vitamin B 6	2001
The effect of folic acid supplementation on plasma homocysteine in an elderly population. QJM : monthly journal of the Association of Physicians, 2002, Volume: 95, Issue:1 Topics: Aged; Cardiovascular Diseases; Dose-Response Relationship, Drug; Double-Blind Method; Female; Folic Acid; Hematinics; Homocysteine; Humans; Linear Models; Male; Methylmalonic Acid	2002
Hydroxocobalamin reduces hyperhomocysteinemia in end-stage renal disease. Metabolism: clinical and experimental, 2002, Volume: 51, Issue:7 Topics: Aged; Female; Folic Acid; Homocysteine; Humans; Hydroxocobalamin; Hyperhomocysteinemia; Injections, Subcutaneous; Kidney Failure, Chronic; Male; Methylmalonic Acid; Middle Aged; Prospective Studies; Renal Dialysis; Treatment Outcome; Vitamin B 12	2002
Response of elevated methylmalonic acid to three dose levels of oral cobalamin in older adults. Journal of the American Geriatrics Society, 2002, Volume: 50, Issue:11 Topics: Administration, Oral; Age Factors; Aged; Aged, 80 and over; Dose-Response Relationship, Drug; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Pilot Projects; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency	2002
Vitamin B12 decreases, but does not normalize, homocysteine and methylmalonic acid in end-stage renal disease: a link with glycine metabolism and possible explanation of hyperhomocysteinemia in end-stage renal disease. Metabolism: clinical and experimental, 2003, Volume: 52, Issue:2 Topics: Cysteine; Genotype; Glycine; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Failure, Chronic; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Mutation; Oxidoreductases Acting on CH-NH Group Donors; Threonine; Vitamin B 12	2003
The effect of vitamin B12 on total plasma homocysteine concentration in folate-replete hemodialysis patients. Clinical nephrology, 2003, Volume: 59, Issue:3 Topics: Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Middle Aged; Renal Dialysis; Statistics, Nonparametric; Treatment Outcome; Vitamin B 12	2003
Neuropsychiatric disturbances in presumed late-onset cobalamin C disease. Archives of neurology, 2003, Volume: 60, Issue:10 Topics: Adolescent; Adult; Brain; Cobamides; Female; Fibroblasts; Homocysteine; Humans; Mental Disorders; Metabolism, Inborn Errors; Methylmalonic Acid; Nervous System Diseases; Sural Nerve; Vitamin B 12	2003
Reduction of plasma homocysteine and serum methylmalonate concentrations in apparently healthy elderly subjects after treatment with folic acid, vitamin B12 and vitamin B6: a randomised trial. European journal of clinical nutrition, 2003, Volume: 57, Issue:11 Topics: Aged; Aged, 80 and over; Double-Blind Method; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Male; Methylmalonic Acid; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6	2003
Effects of folic acid fortification and multivitamin therapy on homocysteine and vitamin B(12) status in cardiac transplant recipients. The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation, 2004, Volume: 23, Issue:4 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adult; Canada; Cohort Studies; Dietary Supplements; Female; Ferredoxin-NADP Reductase; Folic Acid; Food, Fortified; Heart Transplantation; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Polymorphism, Single Nucleotide; Vitamin B 12; Vitamins	2004
Effects of moderate alcohol consumption on folate and vitamin B(12) status in postmenopausal women. European journal of clinical nutrition, 2004, Volume: 58, Issue:11 Topics: Aged; Alcohol Drinking; Cross-Over Studies; DNA Methylation; Dose-Response Relationship, Drug; Ethanol; Female; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Nutritional Status; Postmenopause; Vitamin B 12	2004
Effect of multivitamin supplementation on the homocysteine and methylmalonic acid blood concentrations in women over the age of 60 years. European journal of nutrition, 2005, Volume: 44, Issue:3 Topics: Aged; Aged, 80 and over; Cardiovascular Diseases; Dietary Supplements; Double-Blind Method; Female; Folic Acid; Geriatric Assessment; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Minerals; Risk Assessment; Vitamin B 12; Vitamin B 6; Vitamin B Complex; Vitamins	2005
Holotranscobalamin--a first choice assay for diagnosing early vitamin B deficiency? Journal of internal medicine, 2005, Volume: 257, Issue:3 Topics: Adult; Aged; Aged, 80 and over; Anemia; Biomarkers; Creatinine; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Prognosis; Thyrotropin; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2005
Significant correlations of plasma homocysteine and serum methylmalonic acid with movement and cognitive performance in elderly subjects but no improvement from short-term vitamin therapy: a placebo-controlled randomized study. The American journal of clinical nutrition, 2005, Volume: 81, Issue:5 Topics: Aged; Cognition; Double-Blind Method; Female; Folic Acid; Folic Acid Deficiency; Geriatrics; Homocysteine; Humans; Locomotion; Male; Methylmalonic Acid; Psychomotor Performance; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency; Vitamin B Complex	2005
Oral cyanocobalamin supplementation in older people with vitamin B12 deficiency: a dose-finding trial. Archives of internal medicine, 2005, May-23, Volume: 165, Issue:10 Topics: Administration, Oral; Aged; Aged, 80 and over; Biomarkers; Dietary Supplements; Dose-Response Relationship, Drug; Double-Blind Method; Female; Follow-Up Studies; Homocysteine; Humans; Male; Methylmalonic Acid; Radioimmunoassay; Retrospective Studies; Transcobalamins; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency	2005
Biochemical indexes of the B vitamins in cord serum are predicted by maternal B vitamin status. The American journal of clinical nutrition, 2005, Volume: 82, Issue:1 Topics: Adult; Female; Fetal Blood; Gestational Age; Homocysteine; Humans; Infant, Newborn; Male; Maternal-Fetal Exchange; Methylmalonic Acid; Nutritional Status; Predictive Value of Tests; Pregnancy; Vitamin B Complex	2005
The limited value of methylmalonic acid, homocysteine and holotranscobalamin in the diagnosis of early B12 deficiency. Haematologica, 2006, Volume: 91, Issue:2 Topics: Diagnosis; Homocysteine; Humans; Methylmalonic Acid; Sensitivity and Specificity; Transcobalamins; Vitamin B 12 Deficiency	2006
Effect of oral vitamin B-12 with or without folic acid on cognitive function in older people with mild vitamin B-12 deficiency: a randomized, placebo-controlled trial. The American journal of clinical nutrition, 2006, Volume: 84, Issue:2 Topics: Administration, Oral; Aged; Aged, 80 and over; Cognition; Cognition Disorders; Dietary Supplements; Double-Blind Method; Drug Therapy, Combination; Female; Folic Acid; Homocysteine; Humans; Male; Memory; Methylmalonic Acid; Psychomotor Performance; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2006
Measures of adiposity and body fat distribution in relation to serum folate levels in postmenopausal women in a feeding study. European journal of clinical nutrition, 2008, Volume: 62, Issue:5 Topics: Absorptiometry, Photon; Adipose Tissue; Adiposity; Aged; Alcohol Drinking; Body Composition; Body Mass Index; Cross-Over Studies; Cross-Sectional Studies; Female; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Multivariate Analysis; Obesity; Overweight; Postmenopause; Vitamin B 12	2008
A phase 1 study of pralatrexate in combination with paclitaxel or docetaxel in patients with advanced solid tumors. Clinical cancer research : an official journal of the American Association for Cancer Research, 2007, May-01, Volume: 13, Issue:9 Topics: Adult; Aged; Aminopterin; Antineoplastic Combined Chemotherapy Protocols; Dietary Supplements; Docetaxel; Female; Folic Acid Antagonists; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Neoplasms; Paclitaxel; Taxoids; Vitamins	2007
Pemetrexed pharmacokinetics and pharmacodynamics in a phase I/II study of doublet chemotherapy with vinorelbine: implications for further optimisation of pemetrexed schedules. British journal of cancer, 2007, Oct-22, Volume: 97, Issue:8 Topics: Adult; Aged; Antineoplastic Combined Chemotherapy Protocols; Area Under Curve; Carcinoma, Non-Small-Cell Lung; Deoxyuridine; Dietary Supplements; Dose-Response Relationship, Drug; Female; Folic Acid; Glutamates; Guanine; Homocysteine; Humans; Lung Neoplasms; Male; Methylmalonic Acid; Middle Aged; Pemetrexed; Thymidine; Thymidylate Synthase; Vinblastine; Vinorelbine; Vitamin B 12	2007
[Clinical studies on fifty-seven Chinese patients with combined methylmalonic aciduria and homocysteinemia]. Zhonghua er ke za zhi = Chinese journal of pediatrics, 2007, Volume: 45, Issue:7 Topics: Adolescent; Adult; Amino Acid Metabolism, Inborn Errors; Anemia; Carnitine; Child; Child, Preschool; China; Female; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Male; Metabolic Diseases; Methylmalonic Acid; Urologic Diseases; Vitamin B 12; Vitamin B Complex; Young Adult	2007
Cobalamin and folate status in infants and young children in a low-to-middle income community in India. The American journal of clinical nutrition, 2007, Volume: 86, Issue:5 Topics: Child, Preschool; Double-Blind Method; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; India; Infant; Male; Methylmalonic Acid; Nutritional Status; Socioeconomic Factors; Vitamin B 12; Vitamin B 12 Deficiency	2007
Age-related hearing loss, methylmalonic acid, and vitamin B12 status in older adults. Journal of nutrition for the elderly, 2006, Volume: 25, Issue:3-4 Topics: Age Factors; Aged; Aged, 80 and over; Aging; Cohort Studies; Creatinine; Dietary Supplements; Dose-Response Relationship, Drug; Female; Geriatric Assessment; Hearing Loss; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Nutritional Status; Socioeconomic Factors; Time Factors; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2006
Common metabolic profile in infants indicating impaired cobalamin status responds to cobalamin supplementation. Pediatrics, 2008, Volume: 122, Issue:1 Topics: Breast Feeding; Dietary Supplements; Folic Acid; Homocysteine; Humans; Infant; Linear Models; Methylmalonic Acid; Vitamin B 12	2008
Bread cofortified with folic acid and vitamin B-12 improves the folate and vitamin B-12 status of healthy older people: a randomized controlled trial. The American journal of clinical nutrition, 2008, Volume: 88, Issue:2 Topics: Aged; Aging; Bread; Double-Blind Method; Erythrocytes; Female; Folic Acid; Food, Fortified; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Neural Tube Defects; Nutritional Requirements; Nutritional Status; Vitamin B 12; Vitamin B 12 Deficiency	2008
Oral vitamin B12 for patients suspected of subtle cobalamin deficiency: a multicentre pragmatic randomised controlled trial. BMC family practice, 2011, Jan-13, Volume: 12 Topics: Administration, Oral; Adolescent; Adult; Aged; Aged, 80 and over; Biomarkers; Blood Specimen Collection; Dietary Supplements; Female; Follow-Up Studies; Homocysteine; Humans; Least-Squares Analysis; Male; Methylmalonic Acid; Middle Aged; Patient Compliance; Switzerland; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex; Young Adult	2011
Cobalamin status modifies the effect of zinc supplementation on the incidence of prolonged diarrhea in 6- to 30-month-old north Indian children. The Journal of nutrition, 2011, Volume: 141, Issue:6 Topics: Child, Preschool; Diarrhea; Dietary Supplements; Female; Folic Acid; Homocysteine; Humans; Incidence; India; Infant; Male; Methylmalonic Acid; Vitamin B 12; Zinc	2011
The vitamin B12 absorption test, CobaSorb, identifies patients not requiring vitamin B12 injection therapy. Scandinavian journal of clinical and laboratory investigation, 2011, Volume: 71, Issue:5 Topics: Administration, Oral; Adult; Aged; Aged, 80 and over; Biomarkers; Blood Chemical Analysis; Female; Hemoglobins; Homocysteine; Humans; Injections; Intestinal Absorption; Male; Methylmalonic Acid; Middle Aged; Prospective Studies; Reference Values; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2011
Vitamin B-12 supplementation of rural Mexican women changes biochemical vitamin B-12 status indicators but does not affect hematology or a bone turnover marker. The Journal of nutrition, 2012, Volume: 142, Issue:10 Topics: Adult; Alkaline Phosphatase; Bone Remodeling; C-Reactive Protein; Dietary Supplements; Female; Ferritins; Folic Acid; Homocysteine; Humans; Logistic Models; Methylmalonic Acid; Mexico; Middle Aged; Nutritional Status; Rural Population; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex; Young Adult	2012
Cobalamin and folate status predicts mental development scores in North Indian children 12-18 mo of age. The American journal of clinical nutrition, 2013, Volume: 97, Issue:2 Topics: Biomarkers; Child Development; Cognition Disorders; Cohort Studies; Developmental Disabilities; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; India; Infant; Male; Methylmalonic Acid; Neurogenesis; Nutritional Status; Prevalence; Psychomotor Performance; Vitamin B 12; Vitamin B 12 Deficiency	2013
Cobalamin supplementation improves motor development and regurgitations in infants: results from a randomized intervention study. The American journal of clinical nutrition, 2013, Volume: 98, Issue:5 Topics: Biomarkers; Child Development; Dietary Supplements; Double-Blind Method; Female; Folic Acid; Follow-Up Studies; Homocysteine; Humans; Hydroxocobalamin; Infant; Injections, Intramuscular; Linear Models; Male; Methylmalonic Acid; Surveys and Questionnaires; Vitamin B 12 Deficiency; Vomiting	2013
Three-month B vitamin supplementation in pre-school children affects folate status and homocysteine, but not cognitive performance. European journal of nutrition, 2014, Volume: 53, Issue:7 Topics: Biomarkers; Calcium, Dietary; Child; Child, Preschool; Cognition; Dietary Supplements; Double-Blind Method; Female; Folic Acid; Germany; Homocysteine; Humans; Male; Memory, Short-Term; Methylmalonic Acid; Vitamin B 12; Vitamin B Complex	2014
B-vitamin levels and genetics of hyperhomocysteinemia are not associated with arterial stiffness. Nutrition, metabolism, and cardiovascular diseases : NMCD, 2014, Volume: 24, Issue:7 Topics: Aged; Aged, 80 and over; Blood Pressure; Body Mass Index; Creatinine; Cross-Sectional Studies; Double-Blind Method; Female; Folic Acid; Genotyping Techniques; Homocysteine; Humans; Hyperhomocysteinemia; Linear Models; Male; Methylmalonic Acid; Multivariate Analysis; Pulse Wave Analysis; Risk Factors; Vascular Stiffness; Vitamin B 12; Vitamin B Complex	2014
Vitamin B12 supplementation during pregnancy and postpartum improves B12 status of both mothers and infants but vaccine response in mothers only: a randomized clinical trial in Bangladesh. European journal of nutrition, 2016, Volume: 55, Issue:1 Topics: Adolescent; Adult; Bangladesh; Biomarkers; C-Reactive Protein; Dietary Supplements; Dose-Response Relationship, Drug; Female; Ferritins; Folic Acid; Hemoglobins; Homocysteine; Humans; Immunoglobulin A; Infant; Influenza A Virus, H1N1 Subtype; Influenza Vaccines; Influenza, Human; Lactation; Maternal Nutritional Physiological Phenomena; Methylmalonic Acid; Milk, Human; Orosomucoid; Postpartum Period; Pregnancy; Receptors, Transferrin; Vitamin B 12; Young Adult	2016
Vitamin B-12 Status Differs among Pregnant, Lactating, and Control Women with Equivalent Nutrient Intakes. The Journal of nutrition, 2015, Volume: 145, Issue:7 Topics: Adult; Biomarkers; Breast Feeding; Choline; Dietary Supplements; Dose-Response Relationship, Drug; Double-Blind Method; Energy Intake; Female; Healthy Volunteers; Homocysteine; Humans; Lactation; Methylmalonic Acid; Micronutrients; Postpartum Period; Pregnancy; Recommended Dietary Allowances; Vitamin B 12; Young Adult	2015
Vitamin B-12 treatment of asymptomatic, deficient, elderly Chileans improves conductivity in myelinated peripheral nerves, but high serum folate impairs vitamin B-12 status response assessed by the combined indicator of vitamin B-12 status. The American journal of clinical nutrition, 2016, Volume: 103, Issue:1 Topics: Aged; Chile; Dietary Supplements; Female; Folic Acid; Food, Fortified; Homocysteine; Humans; Male; Methylmalonic Acid; Nerve Fibers, Myelinated; Neural Conduction; Nutritional Status; Peripheral Nerves; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2016
Motor development related to duration of exclusive breastfeeding, B vitamin status and B12 supplementation in infants with a birth weight between 2000-3000 g, results from a randomized intervention trial. BMC pediatrics, 2015, Dec-18, Volume: 15 Topics: Breast Feeding; Child Development; Dietary Supplements; Female; Folic Acid; Homocysteine; Humans; Infant; Infant, Low Birth Weight; Male; Methylmalonic Acid; Motor Skills; Pyridoxal Phosphate; Riboflavin; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2015
Reduced folate and serum vitamin metabolites in patients with rectal carcinoma: an open-label feasibility study of pemetrexed with folic acid and vitamin B12 supplementation. Anti-cancer drugs, 2016, Volume: 27, Issue:5 Topics: Adenocarcinoma; Adult; Aged; Aged, 80 and over; Antineoplastic Agents; Cystathionine; Feasibility Studies; Female; Folic Acid; Folic Acid Antagonists; Homocysteine; Humans; Intestinal Mucosa; Male; Methylmalonic Acid; Middle Aged; Neoadjuvant Therapy; Pemetrexed; Rectal Neoplasms; Rectum; Vitamin B 12	2016
Methylmalonic acid and neutrophil morphometric index in laboratory diagnosis of cobalamin deficiency without macrocytosis. International journal of laboratory hematology, 2016, Volume: 38, Issue:3 Topics: Aged; Cell Nucleus; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Neutrophils; Vitamin B 12 Deficiency	2016
A randomized placebo controlled trial of vitamin B Clinical nutrition (Edinburgh, Scotland), 2017, Volume: 36, Issue:6 Topics: Aged; Cholesterol; Cognitive Dysfunction; Creatinine; Diabetes Mellitus; Dietary Supplements; Female; Follow-Up Studies; Homocysteine; Humans; Male; Methylmalonic Acid; Neuropsychological Tests; Socioeconomic Factors; Triglycerides; Vitamin B 12	2017
Whey protein isolate improves vitamin B Molecular nutrition & food research, 2017, Volume: 61, Issue:5 Topics: Aged; Australia; Cross-Over Studies; Diet; Dietary Supplements; DNA Damage; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Nutrition Assessment; Vitamin B 12; Vitamin B 12 Deficiency; Whey Proteins	2017
Folate and Vitamin B Nutrients, 2016, Dec-24, Volume: 9, Issue:1 Topics: Aged; Biomarkers; Body Mass Index; Brain; Cross-Sectional Studies; Dietary Supplements; Double-Blind Method; Female; Folic Acid; Homocysteine; Humans; Linear Models; Magnetic Resonance Imaging; Male; Methylmalonic Acid; Nutritional Status; Organ Size; Tandem Mass Spectrometry; Transcobalamins; Vitamin B 12	2016
Effects of metformin versus placebo on vitamin B12 metabolism in non-diabetic breast cancer patients in CCTG MA.32. Breast cancer research and treatment, 2017, Volume: 164, Issue:2 Topics: Adult; Antineoplastic Agents; Breast Neoplasms; Female; Homocysteine; Humans; Metformin; Methylmalonic Acid; Middle Aged; Treatment Outcome; Vitamin B 12	2017
Cobalamin and Folate Status among Breastfed Infants in Bhaktapur, Nepal. Nutrients, 2018, May-18, Volume: 10, Issue:5 Topics: Biomarkers; Breast Feeding; Cross-Sectional Studies; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Infant; Infant Nutritional Physiological Phenomena; Male; Methylmalonic Acid; Nepal; Nutritional Status; Vitamin B 12; Vitamin B 12 Deficiency	2018
The Effect of Whey and Soy Protein Isolates on Cognitive Function in Older Australians with Low Vitamin B Nutrients, 2018, Dec-21, Volume: 11, Issue:1 Topics: Aged; Australia; Cognition; Cross-Over Studies; Female; Folic Acid; Homocysteine; Humans; Male; Memory; Methylmalonic Acid; Middle Aged; Nutritional Status; Reaction Time; Sex Factors; Soybean Proteins; Vitamin B 12; Vitamin B 12 Deficiency; Whey Proteins	2018
Effects of oral versus parenteral cobalamin supplementation on methylmalonic acid and homocysteine concentrations in dogs with chronic enteropathies and low cobalamin concentrations. Veterinary journal (London, England : 1997), 2019, Volume: 243 Topics: Administration, Oral; Animals; Dietary Supplements; Dog Diseases; Dogs; Female; Homocysteine; Infusions, Parenteral; Intestinal Diseases; Male; Methylmalonic Acid; Prospective Studies; Random Allocation; Vitamin B 12; Vitamin B 12 Deficiency	2019
Maternal choline supplementation alters vitamin B-12 status in human and murine pregnancy. The Journal of nutritional biochemistry, 2019, Volume: 72 Topics: Adult; Animals; Betaine-Homocysteine S-Methyltransferase; Choline; Choline Dehydrogenase; Dietary Supplements; Female; Gene Expression Regulation; Homeodomain Proteins; Homocysteine; Humans; Maternal Nutritional Physiological Phenomena; Methylmalonic Acid; Mice, Mutant Strains; Polymorphism, Single Nucleotide; Pregnancy; Pregnancy Trimester, Third; Transcription Factors; Vitamin B 12; Young Adult	2019
Vitamin B12 Status Upon Short-Term Intervention with a Vegan Diet-A Randomized Controlled Trial in Healthy Participants. Nutrients, 2019, Nov-18, Volume: 11, Issue:11 Topics: Adult; Biomarkers; Cardiovascular Diseases; Cholesterol; Diet, Vegan; Fatty Acids; Female; Healthy Volunteers; Homocysteine; Humans; Inflammation; Male; Methylmalonic Acid; Micronutrients; Nutritional Status; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2019
Infantile Tremor Syndrome or a Neurocutaneous Infantile B12 Deficiency (NIB) Syndrome? Indian journal of pediatrics, 2020, Volume: 87, Issue:3 Topics: Adolescent; Adult; Biomarkers; Child; Child, Preschool; Erythrocyte Indices; Female; Folic Acid; Homocysteine; Humans; India; Male; Malnutrition; Methylmalonic Acid; Mothers; Prospective Studies; Tremor; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2020
Cobalamin and folate status in women during early pregnancy in Bhaktapur, Nepal. Journal of nutritional science, 2021, Volume: 10 Topics: Female; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Nepal; Pregnancy; Vitamin B 12; Vitamin B 12 Deficiency	2021
Plasma Methylmalonic Acid Concentration in Folic Acid-Supplemented Depressed Patients with Low or Marginal Vitamin B-12: A Randomized Trial. The Journal of nutrition, 2021, 12-03, Volume: 151, Issue:12 Topics: Aged; Dietary Supplements; Female; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamins	2021

Other Studies

332 other study(ies) available for homocysteine and methylmalonic acid

Article	Year
Prevalence of vitamin B12 deficiency among geriatric outpatients. The Journal of family practice, 1992, Volume: 35, Issue:5 Topics: Aged; Aged, 80 and over; Female; Gastritis, Atrophic; Homocysteine; Humans; Male; Methylmalonic Acid; New York; Outpatients; Peripheral Nervous System Diseases; Prevalence; Prospective Studies; Vitamin B 12; Vitamin B 12 Deficiency	1992
High prevalence of cobalamin deficiency in elderly outpatients. Journal of the American Geriatrics Society, 1992, Volume: 40, Issue:12 Topics: Aged; Aged, 80 and over; Ambulatory Care; Colorado; Female; Homocysteine; Humans; Male; Mass Screening; Methylmalonic Acid; Neurologic Examination; Neuropsychological Tests; Prevalence; Prospective Studies; Vitamin B 12; Vitamin B 12 Deficiency	1992
Homocystinuria, arteriosclerosis, methylmalonic aciduria, and methyltransferase deficiency: a key case revisited. Nutrition reviews, 1992, Volume: 50, Issue:1 Topics: Arteriosclerosis; Homocysteine; Homocystinuria; Humans; Infant; Male; Methylmalonic Acid; Methyltransferases	1992
Inhibition of cobalamin-dependent enzymes by cobalamin analogues in rats. The Journal of clinical investigation, 1991, Volume: 87, Issue:4 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Folic Acid; Homocysteine; Male; Methionine; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Nitrous Oxide; Rats; Rats, Inbred Strains; Structure-Activity Relationship; Succinates; Succinic Acid; Vitamin B 12	1991
Maternal vegan diet causing a serious infantile neurological disorder due to vitamin B12 deficiency. European journal of pediatrics, 1991, Volume: 150, Issue:3 Topics: Adult; Breast Feeding; Diet, Vegetarian; Female; Homocysteine; Humans; Infant; Methionine; Methylmalonic Acid; Milk, Human; Nervous System Diseases; Vitamin B 12; Vitamin B 12 Deficiency	1991
Diagnosis of cobalamin deficiency I: usefulness of serum methylmalonic acid and total homocysteine concentrations. American journal of hematology, 1990, Volume: 34, Issue:2 Topics: Adolescent; Adult; Aged; Female; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Reference Values; Vitamin B 12 Deficiency	1990
Diagnosis of cobalamin deficiency: II. Relative sensitivities of serum cobalamin, methylmalonic acid, and total homocysteine concentrations. American journal of hematology, 1990, Volume: 34, Issue:2 Topics: Adult; Aged; Celiac Disease; Child, Preschool; Female; Folic Acid; Homocysteine; Humans; Intestines; Male; Methylmalonic Acid; Middle Aged; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency	1990
Clinical spectrum and diagnosis of cobalamin deficiency. Blood, 1990, Sep-01, Volume: 76, Issue:5 Topics: Bilirubin; Female; Folic Acid; Gastrins; Hematocrit; Homocysteine; Humans; L-Lactate Dehydrogenase; Male; Methylmalonic Acid; Prospective Studies; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency	1990
Biochemical evidence of asymptomatic vitamin B12 deficiency in children after ileal resection for necrotizing enterocolitis. The Journal of pediatrics, 1989, Volume: 115, Issue:1 Topics: Child; Child, Preschool; Enterocolitis, Pseudomembranous; Homocysteine; Humans; Ileum; Methylmalonic Acid; Vitamin B 12 Deficiency	1989
Neuropsychiatric disorders caused by cobalamin deficiency in the absence of anemia or macrocytosis. The New England journal of medicine, 1988, Jun-30, Volume: 318, Issue:26 Topics: Adolescent; Adult; Aged; Anemia; Anemia, Megaloblastic; Ataxia; Erythrocyte Indices; Erythrocytes; Female; Hematocrit; Homocysteine; Humans; Hypesthesia; Iron; Male; Methylmalonic Acid; Middle Aged; Nervous System Diseases; Neurocognitive Disorders; Paresthesia; Vitamin B 12; Vitamin B 12 Deficiency	1988
Cisplatin neurotoxicity: failure to demonstrate vitamin B12 inactivation. Cancer treatment reports, 1985, Volume: 69, Issue:4 Topics: Analysis of Variance; Circadian Rhythm; Cisplatin; Cobamides; Female; Homocysteine; Humans; Infusions, Parenteral; Methylmalonic Acid; Ovarian Neoplasms; Urinary Bladder Neoplasms; Vitamin B 12; Vitamin B 12 Deficiency	1985
Congenital methylmalonic aciduria--homocystinuria with megaloblastic anemia: observations on response to hydroxocobalamin and on the effect of homocysteine and methionine on the deoxyuridine suppression test. Blood, 1980, Volume: 55, Issue:4 Topics: Anemia, Megaloblastic; Deoxyuridine; DNA; Female; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Infant; Infant, Newborn; Malonates; Methionine; Methylmalonic Acid; Myoclonus; Thymidine	1980
Biochemical indices of vitamin B12 nutrition in pregnant patients with subnormal serum vitamin B12 levels. American journal of hematology, 1995, Volume: 48, Issue:4 Topics: Female; Homocysteine; Humans; Methylmalonic Acid; Nutritional Status; Pregnancy; Pregnancy Complications; Vitamin B 12 Deficiency	1995
Homocysteine metabolism in pregnancies complicated by neural-tube defects. Lancet (London, England), 1995, Jan-21, Volume: 345, Issue:8943 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Analysis of Variance; Female; Folic Acid; Homocysteine; Humans; Infant, Newborn; Methylation; Methylmalonic Acid; Neural Tube Defects; Pregnancy; Vitamin B 12	1995
Neuropathic bladder in setting of severe vitamin B12 deficiency: a case report. The Journal of urology, 1995, Volume: 154, Issue:1 Topics: Aged; Female; Homocysteine; Humans; Methylmalonic Acid; Movement Disorders; Sensation Disorders; Urinary Bladder, Neurogenic; Vitamin B 12 Deficiency	1995
Evidence that homocysteine is an independent risk factor for atherosclerosis in hyperlipidemic patients. The American journal of cardiology, 1995, Jan-15, Volume: 75, Issue:2 Topics: Aged; Analysis of Variance; Arteriosclerosis; Coronary Disease; Cystathionine; Folic Acid; Homocysteine; Humans; Hyperlipidemias; Methylmalonic Acid; Middle Aged; Pyridoxine; Risk Factors	1995
Vitamin B12 deficiency is the primary cause of megaloblastic anaemia in Zimbabwe. British journal of haematology, 1994, Volume: 86, Issue:4 Topics: Anemia, Megaloblastic; Anemia, Pernicious; Erythrocyte Indices; Female; Folic Acid; Folic Acid Deficiency; Gastrins; Hemoglobins; Homocysteine; Humans; Methylmalonic Acid; Nervous System Diseases; Neutrophils; Vitamin B 12 Deficiency; Zimbabwe	1994
Guidelines on the investigation and diagnosis of cobalamin and folate deficiencies. A publication of the British Committee for Standards in Haematology. BCSH General Haematology Test Force. Clinical and laboratory haematology, 1994, Volume: 16, Issue:2 Topics: Blood Cell Count; Bone Marrow Examination; Deoxyuridine; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	1994
Serum cobalamin deficiency is uncommon in multiple sclerosis. Archives of neurology, 1994, Volume: 51, Issue:11 Topics: Adult; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Multiple Sclerosis; Muscular Diseases; Vitamin B 12; Vitamin B 12 Deficiency	1994
Screening for vitamin B12 deficiency in psychiatric patients. Journal of general internal medicine, 1994, Volume: 9, Issue:9 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Female; Homocysteine; Humans; Male; Mental Disorders; Methylmalonic Acid; Middle Aged; Vitamin B 12 Deficiency	1994
Prevalence of cobalamin deficiency in the Framingham elderly population. The American journal of clinical nutrition, 1994, Volume: 60, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Aging; Cohort Studies; Female; Folic Acid Deficiency; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Intrinsic Factor; Male; Massachusetts; Methylmalonic Acid; Middle Aged; Prevalence; Radioimmunoassay; Reference Values; Surveys and Questionnaires; Vitamin B 12 Deficiency	1994
Identification and perturbation of mutant human fibroblasts based on measurements of methylmalonic acid and total homocysteine in the culture media. Archives of biochemistry and biophysics, 1993, Volume: 303, Issue:2 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Cell Line; Culture Media; Fibroblasts; Homocysteine; Humans; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Mutation; Propionates; Vitamin B 12	1993
Sensitivity of serum methylmalonic acid and total homocysteine determinations for diagnosing cobalamin and folate deficiencies. The American journal of medicine, 1994, Volume: 96, Issue:3 Topics: Female; Folic Acid Deficiency; Homocysteine; Humans; Male; Methylmalonic Acid; Predictive Value of Tests; Sensitivity and Specificity; Vitamin B 12 Deficiency	1994
Cobalamin absorption and serum homocysteine and methylmalonic acid in elderly subjects with low serum cobalamin. European journal of haematology, 1993, Volume: 51, Issue:1 Topics: Aged; Aged, 80 and over; Diagnosis, Differential; Female; Homocysteine; Humans; Intestinal Absorption; Malabsorption Syndromes; Male; Methylmalonic Acid; Prospective Studies; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency	1993
Kinetics of total plasma homocysteine in subjects with hyperhomocysteinemia due to folate or cobalamin deficiency. The American journal of clinical nutrition, 1996, Volume: 63, Issue:2 Topics: Adolescent; Adult; Aged; Female; Folic Acid; Folic Acid Deficiency; Half-Life; Hematinics; Homocysteine; Humans; Kinetics; Male; Methionine; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency	1996
Elevated methylmalonic acid and total homocysteine levels show high prevalence of vitamin B12 deficiency after gastric surgery. Annals of internal medicine, 1996, Mar-01, Volume: 124, Issue:5 Topics: Adult; Aged; Aged, 80 and over; Cross-Sectional Studies; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Postoperative Complications; Stomach; Vitamin B 12; Vitamin B 12 Deficiency	1996
Age- and gender-specific reference intervals for total homocysteine and methylmalonic acid in plasma before and after vitamin supplementation. Clinical chemistry, 1996, Volume: 42, Issue:4 Topics: Adult; Aged; Aged, 80 and over; Aging; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Reference Values; Sex Characteristics; Vitamin B 12; Vitamins	1996
In vitro and in vivo inactivation of transcobalamin II receptor by its antiserum. The Journal of biological chemistry, 1996, Feb-23, Volume: 271, Issue:8 Topics: Animals; Antibodies; Cell Line; Cell Membrane; Cobalt Radioisotopes; Female; Homocysteine; Humans; Intestinal Mucosa; Kidney; Kinetics; Liver; Macromolecular Substances; Methylmalonic Acid; Placenta; Pregnancy; Rabbits; Radioligand Assay; Receptors, Cell Surface; Reference Values; Staphylococcal Protein A; Transcobalamins; Tumor Cells, Cultured	1996
The use of homocysteine and other metabolites in the specific diagnosis of vitamin B-12 deficiency. The Journal of nutrition, 1996, Volume: 126, Issue:4 Suppl Topics: Adolescent; Adult; Aged; Female; Folic Acid Deficiency; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Vitamin B 12 Deficiency	1996
Crohn's disease and vitamin B12 metabolism. Digestive diseases and sciences, 1996, Volume: 41, Issue:7 Topics: Adult; Crohn Disease; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Transcobalamins; Vitamin B 12	1996
Vitamin supplementation and other variables affecting serum homocysteine and methylmalonic acid concentrations in elderly men and women. Journal of the American College of Nutrition, 1996, Volume: 15, Issue:4 Topics: Aged; Aged, 80 and over; Female; Folic Acid; Folic Acid Deficiency; Food, Fortified; Homocysteine; Humans; Linear Models; Male; Methylmalonic Acid; Patient Selection; Prospective Studies; Vitamin B 12 Deficiency	1996
Vitamin B12 deficiency after gastric surgery: its early detection. Gastroenterology, 1996, Volume: 111, Issue:4 Topics: Homocysteine; Humans; Methylmalonic Acid; Peptic Ulcer; Postoperative Complications; Stomach; Vitamin B 12 Deficiency	1996
Cobalamin and folate deficiencies. Clinical and laboratory haematology, 1996, Volume: 18, Issue:2 Topics: Biomarkers; Chemistry, Clinical; Folic Acid; Folic Acid Deficiency; Hematology; Homocysteine; Humans; Methylmalonic Acid; Practice Guidelines as Topic; Predictive Value of Tests; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	1996
Are different reference intervals for methylmalonic acid and total homocysteine necessary in elderly people? European journal of haematology, 1996, Volume: 57, Issue:3 Topics: Adult; Aged; Aged, 80 and over; Aging; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Nutritional Status; Reference Values; Vitamin B 12	1996
[Homocysteine and methylmalonic acid. New tests--for what benefit?]. Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 1996, Sep-20, Volume: 116, Issue:22 Topics: Amino Acids; Evaluation Studies as Topic; Homocysteine; Humans; Mass Screening; Methylmalonic Acid; Vitamin B 12 Deficiency	1996
Hormone replacement therapy and cobalamin status in elderly women. The American journal of clinical nutrition, 1996, Volume: 64, Issue:6 Topics: Aged; Aging; Cohort Studies; Estrogen Replacement Therapy; Female; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12	1996
Alcoholic cirrhosis and cobalamin metabolism. Digestion, 1997, Volume: 58, Issue:1 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adult; Aged; Biomarkers; Biopsy, Needle; Chronic Disease; Female; Follow-Up Studies; Homocysteine; Humans; Liver Cirrhosis, Alcoholic; Male; Methylmalonic Acid; Middle Aged; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	1997
Plasma methylmalonic acid in relation to serum cobalamin and plasma homocysteine in a psychogeriatric population and the effect of cobalamin treatment. International journal of geriatric psychiatry, 1997, Volume: 12, Issue:1 Topics: Aged; Biomarkers; Case-Control Studies; Drug Monitoring; Female; Geriatric Psychiatry; Homocysteine; Humans; Male; Mental Disorders; Methylmalonic Acid; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency	1997
Is metabolic evidence for vitamin B-12 and folate deficiency more frequent in elderly patients with Alzheimer's disease? The journals of gerontology. Series A, Biological sciences and medical sciences, 1997, Volume: 52, Issue:2 Topics: Aged; Aged, 80 and over; Aging; Alzheimer Disease; Female; Folic Acid Deficiency; Homocysteine; Hospitalization; Humans; Male; Methylmalonic Acid; Reference Values; Vitamin B 12 Deficiency	1997
Enhanced levels of biochemical markers for cobalamin deficiency in totally gastrectomized rats: uncoupling of the enhancement from the severity of spongy vacuolation in spinal cord. Experimental neurology, 1997, Volume: 144, Issue:2 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Anemia, Pernicious; Animals; Bacteria, Anaerobic; Citrates; Cystathionine; Disease Models, Animal; Erythromycin; Gastrectomy; Homocysteine; Humans; Intestines; Lincomycin; Male; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Postgastrectomy Syndromes; Rats; Rats, Sprague-Dawley; Spinal Cord; Spinal Cord Diseases; Vacuoles; Vitamin B 12; Vitamin B 12 Deficiency	1997
Home parenteral nutrition and vitamin B12 status. Nutrition (Burbank, Los Angeles County, Calif.), 1997, Volume: 13, Issue:4 Topics: Adult; Aged; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Nutritional Status; Parenteral Nutrition, Home; Reference Values; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	1997
Diagnosis of cobalamin deficiency: the old and the new. British journal of haematology, 1997, Volume: 97, Issue:4 Topics: Erythrocyte Volume; Hematologic Tests; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	1997
[Megaloblastic anemia: rapid and economical study]. Sangre, 1997, Volume: 42, Issue:3 Topics: Adolescent; Adult; Algorithms; Anemia, Megaloblastic; Cost Control; Diagnosis, Differential; Diagnostic Tests, Routine; Female; Folic Acid; Folic Acid Deficiency; Formiminoglutamic Acid; Histidine; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Predictive Value of Tests; Pregnancy; Pregnancy Complications, Hematologic; Reticulocyte Count; Retrospective Studies; Sensitivity and Specificity; Time Factors; Urinalysis; Vitamin B 12; Vitamin B 12 Deficiency	1997
Serum methylmalonic acid and total homocysteine in patients with suspected cobalamin deficiency: a clinical study based on gastrointestinal histopathological findings. American journal of hematology, 1997, Volume: 56, Issue:4 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Female; Gastric Mucosa; Homocysteine; Humans; Intestinal Mucosa; Male; Methylmalonic Acid; Middle Aged; Neutrophils; Prospective Studies; Schilling Test; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	1997
An external quality assessment study on the analysis of methylmalonic acid and total homocysteine in plasma. Scandinavian journal of clinical and laboratory investigation, 1997, Volume: 57, Issue:7 Topics: Anticoagulants; Chelating Agents; Chemistry, Clinical; Edetic Acid; Evaluation Studies as Topic; Heparin; Homocysteine; Humans; Methylmalonic Acid; Quality Control; Reproducibility of Results; Sodium Fluoride	1997
Serum homocysteine and methylmalonic acid in patients with rheumatoid arthritis and cobalaminopenia. The Journal of rheumatology, 1998, Volume: 25, Issue:5 Topics: Adult; Aged; Aged, 80 and over; Arthritis, Rheumatoid; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Pilot Projects; Retrospective Studies; Vitamin B 12	1998
Dietary intake of cobalamin in elderly people who have abnormal serum cobalamin, methylmalonic acid and homocysteine levels. European journal of clinical nutrition, 1998, Volume: 52, Issue:8 Topics: Aged; Aged, 80 and over; Diet; Dietary Supplements; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Nutritional Status; Prospective Studies; Vitamin B 12	1998
The effect of vitamin B12 deficiency on older veterans and its relationship to health. Journal of the American Geriatrics Society, 1998, Volume: 46, Issue:10 Topics: Aged; Aged, 80 and over; Alcohol Drinking; Analysis of Variance; Cognition Disorders; Cross-Sectional Studies; Educational Status; Female; Geriatric Assessment; Homocysteine; Humans; Income; Male; Methylmalonic Acid; Oklahoma; Reproducibility of Results; Veterans; Vitamin B 12; Vitamin B 12 Deficiency	1998
Reliability of biochemical parameters used in prenatal diagnosis of combined methylmalonic aciduria and homocystinuria. Prenatal diagnosis, 1998, Volume: 18, Issue:9 Topics: Amino Acid Metabolism, Inborn Errors; Amniocentesis; Amniotic Fluid; Cells, Cultured; Chorion; Chorionic Villi Sampling; Cobamides; Female; Gestational Age; Homocysteine; Homocystinuria; Humans; Male; Methylmalonic Acid; Pregnancy; Propionates; Tetrahydrofolates; Vitamin B 12	1998
Advantages of serum pepsinogen A combined with gastrin or pepsinogen C as first-line analytes in the evaluation of suspected cobalamin deficiency: a study in patients previously not subjected to gastrointestinal surgery. Journal of internal medicine, 1998, Volume: 244, Issue:4 Topics: Adult; Aged; Algorithms; Diagnosis, Differential; Female; Gastrins; Gastritis, Atrophic; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Pepsinogen A; Pepsinogen C; Predictive Value of Tests; Vitamin B 12 Deficiency	1998
[Functional deficiency of vitamin B12 and folate. No "parameter" is "meter"]. Lakartidningen, 1998, Nov-04, Volume: 95, Issue:45 Topics: Biomarkers; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Specimen Handling; Vitamin B 12 Deficiency	1998
Cobalamin deficiency in general practice. Assessment of the diagnostic utility and cost-benefit analysis of methylmalonic acid determination in relation to current diagnostic strategies. Clinical chemistry, 1999, Volume: 45, Issue:2 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Child; Child, Preschool; Cohort Studies; Cost-Benefit Analysis; Family Practice; Female; Folic Acid; Homocysteine; Humans; Infant; Male; Methylmalonic Acid; Middle Aged; Practice Patterns, Physicians'; Reference Standards; Retrospective Studies; Vitamin B 12; Vitamin B 12 Deficiency	1999
Holotranscobalamin - a sensitive marker of cobalamin malabsorption. European journal of clinical investigation, 1999, Volume: 29, Issue:4 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Atrophy; Female; Gastric Mucosa; Homocysteine; Humans; Intestinal Absorption; Male; Methylmalonic Acid; Middle Aged; Stomach; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	1999
Supplementation with vitamin B12 decreases homocysteine and methylmalonic acid but also serum folate in patients with end-stage renal disease. Metabolism: clinical and experimental, 1999, Volume: 48, Issue:5 Topics: Adult; Aged; Dietary Supplements; Female; Folic Acid; Folic Acid Antagonists; Genotype; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Oxidoreductases Acting on CH-NH Group Donors; Vitamin B 12	1999
External quality assessment of methylmalonic acid and total homocysteine. Clinical chemistry, 1999, Volume: 45, Issue:9 Topics: Chromatography, High Pressure Liquid; Clinical Laboratory Techniques; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Immunoassay; Laboratories, Hospital; Methylmalonic Acid; Quality Control	1999
Turn of tide for oral vitamin B12 treatment. Journal of internal medicine, 1999, Volume: 246, Issue:3 Topics: Administration, Oral; Aged; Biological Availability; Biomarkers; England; Female; Homocysteine; Humans; Infusions, Intravenous; Methylmalonic Acid; Neural Tube Defects; Pregnancy; Pregnancy Complications; Sweden; Vitamin B 12; Vitamin B 12 Deficiency	1999
Schilling and protein-bound cobalamin absorption tests are poor instruments for diagnosing cobalamin malabsorption. Journal of internal medicine, 1997, Volume: 241, Issue:6 Topics: Adult; Atrophy; Duodenum; Female; Homocysteine; Humans; Intestinal Absorption; Male; Methylmalonic Acid; Reference Values; Reproducibility of Results; Schilling Test; Stomach; Sweden; Vitamin B 12; Vitamin B 12 Deficiency; Volunteers	1997
Serum cobalamin, homocysteine, and methylmalonic acid concentrations in a multiethnic elderly population: ethnic and sex differences in cobalamin and metabolite abnormalities. The American journal of clinical nutrition, 1999, Volume: 70, Issue:5 Topics: Aged; Analysis of Variance; Ethnicity; Female; Folic Acid; Homocysteine; Humans; Los Angeles; Male; Methylmalonic Acid; Middle Aged; Racial Groups; Sex Factors; Vitamin B 12; Vitamin B 12 Deficiency	1999
Racial differences in prevalence of cobalamin and folate deficiencies in disabled elderly women. The American journal of clinical nutrition, 1999, Volume: 70, Issue:5 Topics: Aged; Aged, 80 and over; Black People; Cross-Sectional Studies; Disabled Persons; Educational Status; Female; Folic Acid Deficiency; Homocysteine; Humans; Income; Methylmalonic Acid; Prevalence; Vitamin B 12 Deficiency; Vitamins; White People	1999
Evidence of altered homocysteine metabolism in chronic renal failure. Nephron, 1999, Volume: 83, Issue:4 Topics: Arteriosclerosis; Citrates; Creatinine; Cystathionine; Cysteine; Female; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methionine; Methylmalonic Acid; Middle Aged; Renal Dialysis; Risk Factors; Vitamins	1999
Evaluation of low serum vitamin B(12) in the non-anaemic pregnant patient. Human reproduction (Oxford, England), 2000, Volume: 15, Issue:1 Topics: Adult; Erythrocyte Indices; Female; Gestational Age; Homocysteine; Humans; Methylmalonic Acid; Parity; Pregnancy; Pregnancy Complications; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency	2000
Concentrations of plasma methylmalonic acid in 80-year-olds show only weak relation to psychological performance. Clinical chemistry and laboratory medicine, 1999, Volume: 37, Issue:10 Topics: Aged; Aged, 80 and over; Folic Acid; Homocysteine; Humans; Longitudinal Studies; Methylmalonic Acid; Psychological Tests; Vitamin B 12	1999
Using homocysteine and related metabolites to diagnose vitamin deficiency states. BioFactors (Oxford, England), 2000, Volume: 11, Issue:1-2 Topics: Aging; Animals; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	2000
Etiology and diagnostic evaluation of macrocytosis. The American journal of the medical sciences, 2000, Volume: 319, Issue:6 Topics: Adult; Aged; Alcohol Drinking; Anemia, Macrocytic; Anemia, Megaloblastic; Bone Marrow Diseases; Diagnosis, Differential; Drug-Related Side Effects and Adverse Reactions; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; L-Lactate Dehydrogenase; Leukocyte Count; Liver Diseases; Liver Diseases, Alcoholic; Male; Methylmalonic Acid; Middle Aged; Platelet Count; Predictive Value of Tests; Prospective Studies; Reticulocyte Count; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	2000
Inhibition of vitamin B12 metabolism by OH-cobalamin c-lactam in rat oligodendrocytes in culture: a model for studying neuropathy due to vitamin B12 deficiency. Neuroscience letters, 2000, Jul-21, Volume: 288, Issue:3 Topics: Animals; Animals, Newborn; Cells, Cultured; Culture Media, Conditioned; Homocysteine; Humans; Methylmalonic Acid; Oligodendroglia; Peripheral Nervous System Diseases; Rats; Rats, Wistar; Vitamin B 12; Vitamin B 12 Deficiency	2000
Three siblings with nonketotic hyperglycinaemia, mildly elevated plasma homocysteine concentrations and moderate methylmalonic aciduria. Journal of inherited metabolic disease, 2000, Volume: 23, Issue:5 Topics: Child; Consanguinity; Female; Homocysteine; Humans; Hyperglycinemia, Nonketotic; Infant; Infant, Newborn; Leucovorin; Male; Methylmalonic Acid; Nuclear Family	2000
Treatment of cobalamin deficiency in dementia, evaluated clinically and with cerebral blood flow measurements. Aging (Milan, Italy), 2000, Volume: 12, Issue:3 Topics: Aged; Aged, 80 and over; Alzheimer Disease; Cerebrovascular Circulation; Dementia, Vascular; Female; Homocysteine; Humans; Hydroxocobalamin; Injections, Intramuscular; Male; Methylmalonic Acid; Regional Blood Flow; Vitamin B 12 Deficiency	2000
[Evaluation of analytic test methods. Stomach-intestines status is the best diagnostic method in suspected vitamin B12 deficiency]. Lakartidningen, 2000, Sep-13, Volume: 97, Issue:37 Topics: Biomarkers; Gastric Mucosa; Gastritis, Atrophic; Gastrointestinal Diseases; Gastroscopy; Homocysteine; Humans; Intestinal Mucosa; Methylmalonic Acid; Pepsinogen C; Practice Guidelines as Topic; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	2000
Evaluation of indicators of cobalamin deficiency defined as cobalamin-induced reduction in increased serum methylmalonic acid. Clinical chemistry, 2000, Volume: 46, Issue:11 Topics: Adolescent; Aged; Aged, 80 and over; Female; Folic Acid; Gastroscopy; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Oxidation-Reduction; Regression Analysis; ROC Curve; Sex Factors; Vitamin B 12; Vitamin B 12 Deficiency	2000
EEG in assessing hydroxycobalamin therapy in neonatal methylmalonic aciduria with homocystinuria. Biology of the neonate, 2000, Volume: 78, Issue:4 Topics: Electroencephalography; Female; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Infant, Newborn; Metabolism, Inborn Errors; Methylmalonic Acid	2000
Vitamin B12 deficiency and incontinence in older people. The Canadian journal of urology, 2000, Volume: 7, Issue:4 Topics: Aged; Aged, 80 and over; Cross-Sectional Studies; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Prevalence; Prospective Studies; Urinary Incontinence; Vitamin B 12 Deficiency	2000
Oral contraceptives can cause falsely low vitamin B(12) levels. Acta haematologica, 2000, Volume: 104, Issue:1 Topics: Adult; Contraceptives, Oral; Diagnostic Errors; False Positive Reactions; Female; Homocysteine; Humans; Methylmalonic Acid; Transcobalamins; Vitamin B 12 Deficiency	2000
Role of homocysteine, cystathionine and methylmalonic acid measurement for diagnosis of vitamin deficiency in high-aged subjects. European journal of clinical investigation, 2000, Volume: 30, Issue:12 Topics: Adult; Aged; Cystathionine; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Kidney; Male; Methylmalonic Acid; Middle Aged; Models, Chemical; Pyridoxine; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2000
Evaluation of the cobalt requirement of beef cattle based on vitamin B12, folate, homocysteine and methylmalonic acid. The British journal of nutrition, 2000, Volume: 84, Issue:5 Topics: Animals; Cattle; Chromatography, High Pressure Liquid; Cobalt; Homocysteine; Liver; Male; Methylmalonic Acid; Nutritional Requirements; Radioimmunoassay; Vitamin B 12	2000
Association of folate intake and serum homocysteine in elderly persons according to vitamin supplementation and alcohol use. The American journal of clinical nutrition, 2001, Volume: 73, Issue:3 Topics: Age Factors; Aged; Aged, 80 and over; Aging; Alcohol Drinking; Coffee; Cross-Sectional Studies; Dietary Supplements; Dose-Response Relationship, Drug; Female; Folic Acid; Homocysteine; Humans; Life Style; Linear Models; Male; Methylmalonic Acid; Risk Factors; Smoking; Tea; Vascular Diseases; Vitamin B 12	2001
[Regarding the diagnosis of vitamin B 12 deficiency]. Medicina clinica, 2001, Mar-31, Volume: 116, Issue:12 Topics: Age Factors; Biomarkers; Homocysteine; Humans; Methylmalonic Acid; Reference Values; Vitamin B 12 Deficiency	2001
[Study of cobalamin deficiency in gastrectomized and aged subjects]. Revista clinica espanola, 2001, Volume: 201, Issue:2 Topics: Age Factors; Aged; Creatinine; Data Interpretation, Statistical; Gastrectomy; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency	2001
Serum cobalamin, folate, methylmalonic acid and total homocysteine as vitamin B12 and folate tissue deficiency markers amongst elderly Swedes--a population-based study. Journal of internal medicine, 2001, Volume: 249, Issue:5 Topics: Age Factors; Aged; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Population Surveillance; Sex Factors; Sweden; Vitamin B 12; Vitamins	2001
Hyperhomocysteinemia and elevated methylmalonic acid indicate a high prevalence of cobalamin deficiency in Asian Indians. The American journal of clinical nutrition, 2001, Volume: 74, Issue:2 Topics: Adult; Biomarkers; Cardiovascular Diseases; Diabetes Mellitus; Diet, Vegetarian; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; India; Male; Methylmalonic Acid; Middle Aged; Prevalence; Surveys and Questionnaires; Vitamin B 12; Vitamin B 12 Deficiency	2001
Shifts in B12 opinions in primary health care of Sweden. Scandinavian journal of public health, 2001, Volume: 29, Issue:2 Topics: Attitude of Health Personnel; Biomarkers; Clinical Competence; Decision Making; Homocysteine; Humans; Methylmalonic Acid; Physicians, Family; Primary Health Care; Surveys and Questionnaires; Sweden; Vitamin B 12; Vitamin B 12 Deficiency	2001
Homocysteine and methylmalonic acid as indicators of folate and vitamin B12 deficiency in pregnancy. Clinical and laboratory haematology, 2001, Volume: 23, Issue:3 Topics: Adult; Biomarkers; Female; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Pregnancy; Pregnancy Complications; Vitamin B 12 Deficiency	2001
Genetic defects as important factors for moderate hyperhomocysteinemia. Clinical chemistry and laboratory medicine, 2001, Volume: 39, Issue:8 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adult; Age Factors; Aged; Aged, 80 and over; Cystathionine; DNA Mutational Analysis; Female; Ferredoxin-NADP Reductase; Folic Acid; Genotype; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Mutation; Oxidoreductases Acting on CH-NH Group Donors; Protein Binding; Risk Factors; Sex Factors; Vitamin B 12; Vitamin B 6	2001
Homocysteine, cystathionine, methylmalonic acid and B-vitamins in patients with renal disease. Clinical chemistry and laboratory medicine, 2001, Volume: 39, Issue:8 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Chromatography, High Pressure Liquid; Cystathionine; Female; Homocysteine; Humans; Immunoassay; Kidney Diseases; Kidney Transplantation; Male; Methylmalonic Acid; Middle Aged; Renal Dialysis; Vitamin B Complex	2001
Does a single vitamin B-supplementation induce functional vitamin B-deficiency? Clinical chemistry and laboratory medicine, 2001, Volume: 39, Issue:8 Topics: Adult; Cystathionine; Cysteine; Dietary Supplements; Folic Acid; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Male; Methionine; Methylmalonic Acid; Middle Aged; Models, Biological; Pilot Projects; Time Factors; Vitamin B 12; Vitamin B 6; Vitamin B Complex; Vitamin B Deficiency	2001
Homocysteine and methylmalonic acid levels in pregnant Nepali women. Should cobalamin supplementation be considered? European journal of clinical nutrition, 2001, Volume: 55, Issue:10 Topics: Adolescent; Adult; Biomarkers; Cross-Sectional Studies; Dietary Supplements; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Nepal; Nutritional Status; Pregnancy; Vitamin B 12; Vitamin B 12 Deficiency	2001
CblC/D defect combined with haemodynamically highly relevant VSD. Journal of inherited metabolic disease, 2001, Volume: 24, Issue:4 Topics: Female; Folic Acid; Heart Septal Defects, Ventricular; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Infant, Newborn; Lactic Acid; Metabolism, Inborn Errors; Methionine; Methylmalonic Acid	2001
High prevalence of low serum vitamin B12 in a multi-ethnic Israeli population. British journal of haematology, 2001, Volume: 115, Issue:3 Topics: Adult; Arabs; Blood Donors; Case-Control Studies; Chi-Square Distribution; Female; Gaucher Disease; Homocysteine; Humans; Iraq; Israel; Jews; Male; Methylmalonic Acid; Morocco; Prevalence; Tunisia; Vitamin B 12; Vitamin B 12 Deficiency; Yemen	2001
Total homocysteine is making its way into pediatric laboratory diagnostics. European journal of clinical investigation, 2001, Volume: 31, Issue:11 Topics: Adult; Avitaminosis; Child; Diagnosis, Differential; Female; Folic Acid; Folic Acid Deficiency; HIV Infections; Homocysteine; Humans; Hyperhomocysteinemia; Infant; Infant, Newborn; Male; Methylmalonic Acid; Pediatrics; Pregnancy; Vitamin B 12	2001
Metabolism of amino acids in cats with severe cobalamin deficiency. American journal of veterinary research, 2001, Volume: 62, Issue:12 Topics: Amino Acids; Animals; Cat Diseases; Cats; Cystathionine; Cysteine; Female; Gastrointestinal Diseases; Homocysteine; Immunoassay; Male; Methionine; Methylmalonic Acid; Statistics, Nonparametric; Vitamin B 12; Vitamin B 12 Deficiency	2001
Vitamin B12 metabolism after urinary diversion with a Kock ileal reservoir. Scandinavian journal of urology and nephrology, 2001, Volume: 35, Issue:5 Topics: Adult; Aged; Female; Follow-Up Studies; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Schilling Test; Urinary Diversion; Vitamin B 12; Vitamin B 12 Deficiency	2001
[Methylmalonic acid in diagnosis of vitamin B12 deficiency]. Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 2002, Jan-10, Volume: 122, Issue:1 Topics: Biomarkers; Homocysteine; Humans; Methylmalonic Acid; Reference Values; Vitamin B 12 Deficiency	2002
[Diagnosis and vitamin B12 deficiency]. Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 2001, Nov-10, Volume: 121, Issue:27 Topics: Biomarkers; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	2001
Vitamin B(12) deficiency associated with histamine(2)-receptor antagonists and a proton-pump inhibitor. The Annals of pharmacotherapy, 2002, Volume: 36, Issue:5 Topics: Aged; Cimetidine; Creatinine; Enzyme Inhibitors; Female; Folic Acid; Gastroesophageal Reflux; Histamine H2 Antagonists; Homocysteine; Humans; Methylmalonic Acid; Omeprazole; Proton Pump Inhibitors; Vitamin B 12; Vitamin B 12 Deficiency	2002
Methylenetetrahydrofolate reductase genotype, vitamin B12, and folate influence plasma homocysteine in hemodialysis patients. American journal of kidney diseases : the official journal of the National Kidney Foundation, 2002, Volume: 39, Issue:5 Topics: Cross-Sectional Studies; Dietary Supplements; Female; Folic Acid; Folic Acid Deficiency; Genotype; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Failure, Chronic; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Oxidoreductases Acting on CH-NH Group Donors; Polymorphism, Genetic; Renal Dialysis; Vitamin B 12; Vitamin B 12 Deficiency	2002
Genetic and molecular control of folate-homocysteine metabolism in mutant mice. Mammalian genome : official journal of the International Mammalian Genome Society, 2002, Volume: 13, Issue:5 Topics: Animals; Blotting, Northern; Disease Models, Animal; Female; Folic Acid; Gene Expression Regulation; Homocysteine; Hyperhomocysteinemia; Liver; Methylmalonic Acid; Mice; Mice, Inbred C3H; Mice, Inbred C57BL; Mice, Mutant Strains; Oligonucleotide Array Sequence Analysis; Signal Transduction	2002
Early-onset cobalamin C/D deficiency: epilepsy and electroencephalographic features. Epilepsia, 2002, Volume: 43, Issue:6 Topics: Age of Onset; Brain; Electroencephalography; Epilepsy; Female; Follow-Up Studies; Homocysteine; Homocystine; Homocystinuria; Humans; Infant; Infant, Newborn; Magnetic Resonance Imaging; Male; Methylmalonic Acid; Sleep; Vitamin B 12; Vitamin B 12 Deficiency; Wakefulness	2002
Vitamin B12 and folate after 5-12 years of continent ileal urostomy (Kock reservoir) in children and adolescents. European urology, 2002, Volume: 41, Issue:2 Topics: Adolescent; Child; Child Welfare; Colonic Pouches; Female; Folic Acid; Folic Acid Deficiency; Follow-Up Studies; Glomerular Filtration Rate; Hemoglobins; Homocysteine; Humans; Ileum; Iron; Kidney; Male; Methylmalonic Acid; Postoperative Complications; Prospective Studies; Time Factors; Ureterostomy; Urinary Reservoirs, Continent; Vitamin B 12; Vitamin B 12 Deficiency	2002
Transcobalamin II 775G>C polymorphism and indices of vitamin B12 status in healthy older adults. Blood, 2002, Jul-15, Volume: 100, Issue:2 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Polymorphism, Single Nucleotide; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2002
Is low-dose oral cobalamin enough to normalize cobalamin function in older people? Journal of the American Geriatrics Society, 2002, Volume: 50, Issue:8 Topics: Administration, Oral; Aged; Aged, 80 and over; Cross-Sectional Studies; Dietary Supplements; Female; Homocysteine; Humans; Male; Methylglycosides; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2002
Cobalamin disorder Cbl-C presenting with late-onset thrombotic microangiopathy. American journal of medical genetics, 2002, Aug-01, Volume: 111, Issue:2 Topics: Age of Onset; Child; Child, Preschool; Female; Hematinics; Hematuria; Hemolysis; Hemolytic-Uremic Syndrome; Homocysteine; Humans; Hydroxocobalamin; Kidney; Male; Methylmalonic Acid; Microcirculation; Proteinuria; Thrombosis; Vitamin B 12 Deficiency	2002
Elevated serum methylmalonic acid concentrations are common among elderly Americans. The Journal of nutrition, 2002, Volume: 132, Issue:9 Topics: Adult; Aged; Aging; Black or African American; Creatinine; Female; Folic Acid; Hispanic or Latino; Homocysteine; Humans; Male; Methylmalonic Acid; Nutrition Surveys; Vitamin B 12; Vitamin B 12 Deficiency; White People	2002
Optimal use of markers for cobalamin and folate status in a psychogeriatric population. International journal of geriatric psychiatry, 2002, Volume: 17, Issue:10 Topics: Aged; Aged, 80 and over; Alzheimer Disease; Biomarkers; Cognition Disorders; Female; Folic Acid; Homocysteine; Humans; Male; Mental Disorders; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Oxidoreductases Acting on CH-NH Group Donors; Vitamin B 12	2002
Evaluation of the DPC IMMULITE 2000 assay for total homocysteine in plasma. Scandinavian journal of clinical and laboratory investigation, 2002, Volume: 62, Issue:5 Topics: Chemistry, Clinical; Evaluation Studies as Topic; Homocysteine; Humans; Hyperhomocysteinemia; Immunoassay; Methylmalonic Acid; Quality Control	2002
Cobalamin status (holo-transcobalamin, methylmalonic acid) and folate as determinants of homocysteine concentration. Clinical chemistry, 2002, Volume: 48, Issue:11 Topics: Adult; Aged; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Transcobalamins; Vitamin B 12	2002
Homocysteine and methylmalonic acid: markers to predict and avoid toxicity from pemetrexed therapy. Molecular cancer therapeutics, 2002, Volume: 1, Issue:7 Topics: Adult; Aged; Aged, 80 and over; Antineoplastic Agents; Female; Folic Acid; Glutamates; Guanine; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Models, Biological; Multivariate Analysis; Odds Ratio; Pemetrexed; Time Factors; Vitamin B 12	2002
Hyperhomocysteinemia and vitamin B-12 deficiency are more striking in Syrians than in Germans--causes and implications. Atherosclerosis, 2003, Volume: 166, Issue:1 Topics: Adult; Arabs; Cholesterol, LDL; Coronary Disease; Female; Germany; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Middle Aged; Prevalence; Syria; Vitamin D Deficiency	2003
Predictors of cobalamin deficiency in Guatemalan school children: diet, Helicobacter pylori, or bacterial overgrowth? Journal of pediatric gastroenterology and nutrition, 2003, Volume: 36, Issue:1 Topics: Analysis of Variance; Breath Tests; Child; Diet; Female; Gastrins; Guatemala; Helicobacter Infections; Helicobacter pylori; Homocysteine; Humans; Male; Methylmalonic Acid; Pepsinogen A; Risk Factors; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2003
High prevalence of cobalamin deficiency in Guatemalan schoolchildren: associations with low plasma holotranscobalamin II and elevated serum methylmalonic acid and plasma homocysteine concentrations. The American journal of clinical nutrition, 2003, Volume: 77, Issue:2 Topics: Analysis of Variance; Anemia; Biomarkers; Child; Creatinine; Female; Folic Acid; Guatemala; Hematocrit; Hemoglobins; Homocysteine; Humans; Male; Mass Screening; Methylmalonic Acid; Prevalence; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2003
Relationship between methylmalonic acid, homocysteine, vitamin B12 intake and status and socio-economic indices, in a subset of participants in the British National Diet and Nutrition Survey of people aged 65 y and over. European journal of clinical nutrition, 2003, Volume: 57, Issue:2 Topics: Aged; Analysis of Variance; Cross-Sectional Studies; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Nutrition Surveys; Nutritional Status; Socioeconomic Factors; United Kingdom; Vitamin B 12	2003
Serum levels of total homocysteine, homocysteine metabolites and of advanced glycation end-products (AGEs) in patients after renal transplantation. Clinical nephrology, 2003, Volume: 59, Issue:2 Topics: Adult; Arginine; Coronary Disease; Cystathionine; Female; Glycation End Products, Advanced; Homocysteine; Humans; Hypertrophy, Left Ventricular; Kidney Failure, Chronic; Kidney Transplantation; Logistic Models; Lysine; Male; Methylmalonic Acid; Middle Aged; Risk Factors	2003
Vitamin B-12 status is associated with bone mineral content and bone mineral density in frail elderly women but not in men. The Journal of nutrition, 2003, Volume: 133, Issue:3 Topics: Absorptiometry, Photon; Aged; Aged, 80 and over; Body Composition; Body Height; Body Weight; Bone Density; Calcium, Dietary; Female; Frail Elderly; Homocysteine; Humans; Male; Methylmalonic Acid; Netherlands; Nutritional Status; Odds Ratio; Osteoporosis; Parathyroid Hormone; Regression Analysis; Sex Characteristics; Smoking; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin D	2003
Folate deficiency is a common finding in psychogeriatric patients. Aging clinical and experimental research, 2002, Volume: 14, Issue:6 Topics: Aged; Aged, 80 and over; Aging; Cognition Disorders; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Regression Analysis; Vitamin B 12	2002
Screening for vitamin B-12 and folate deficiency in older persons. The American journal of clinical nutrition, 2003, Volume: 77, Issue:5 Topics: Age Factors; Aged; Aged, 80 and over; Creatinine; Female; Folic Acid; Folic Acid Deficiency; Hemoglobins; Homocysteine; Humans; Male; Mass Screening; Methylmalonic Acid; Prevalence; Reference Values; Risk Factors; Sex Factors; United Kingdom; Vitamin B 12; Vitamin B 12 Deficiency	2003
Anemia, serum vitamin B12, and folic acid in patients with rheumatoid arthritis, psoriatic arthritis, and systemic lupus erythematosus. Rheumatology international, 2004, Volume: 24, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Anemia; Arthritis, Psoriatic; Arthritis, Rheumatoid; Cohort Studies; Female; Folic Acid Deficiency; Homocysteine; Humans; Incidence; Israel; Lupus Erythematosus, Systemic; Male; Methylmalonic Acid; Middle Aged; Retrospective Studies; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency	2004
Homocysteine, methylenetetrahydrofolate reductase C677T polymorphism and the B-vitamins: a facet of nature-nurture interplay. Clinical chemistry and laboratory medicine, 2003, Volume: 41, Issue:4 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Odds Ratio; Oxidoreductases Acting on CH-NH Group Donors; Polymorphism, Genetic; Vitamin B 12; Vitamin B 6	2003
Urine methylmalonic acid measurements for the assessment of cobalamin deficiency related to neuropsychiatric disorders. Clinical biochemistry, 2003, Volume: 36, Issue:4 Topics: Adult; Aged; Folic Acid; Homocysteine; Humans; Mental Disorders; Methylmalonic Acid; Middle Aged; Photometry; Regression Analysis; Reproducibility of Results; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	2003
Increased plasma homocysteine levels without signs of vitamin B12 deficiency in patients with multiple sclerosis assessed by blood and cerebrospinal fluid homocysteine and methylmalonic acid. Multiple sclerosis (Houndmills, Basingstoke, England), 2003, Volume: 9, Issue:3 Topics: Adult; Aged; Aged, 80 and over; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Multiple Sclerosis; Vitamin B 12; Vitamin B 12 Deficiency	2003
Vitamin B-12 status, particularly holotranscobalamin II and methylmalonic acid concentrations, and hyperhomocysteinemia in vegetarians. The American journal of clinical nutrition, 2003, Volume: 78, Issue:1 Topics: Adult; Aged; Biomarkers; Diet, Vegetarian; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Middle Aged; Osmolar Concentration; Transcobalamins; Vitamin B 12	2003
Myeloneuropathy from nitrous oxide abuse: unusually high methylmalonic acid and homocysteine levels. WMJ : official publication of the State Medical Society of Wisconsin, 2003, Volume: 102, Issue:4 Topics: Adult; Anesthetics, Inhalation; Demyelinating Diseases; Diagnosis, Differential; Homocysteine; Humans; Male; Methylmalonic Acid; Nitrous Oxide; Vitamin B 12 Deficiency	2003
Reported symptoms and clinical findings in relation to serum cobalamin, folate, methylmalonic acid and total homocysteine among elderly Swedes: a population-based study. Journal of internal medicine, 2003, Volume: 254, Issue:4 Topics: Aged; Atrophy; Cohort Studies; Female; Folic Acid; Health Surveys; Homocysteine; Humans; Male; Methylmalonic Acid; Mouth Diseases; Mouth Mucosa; Stomatitis; Tongue; Vitamin B 12; Vitamin B 12 Deficiency	2003
Challenges in the identification of cobalamin-deficiency polyneuropathy. Archives of neurology, 2003, Volume: 60, Issue:9 Topics: Adult; Aged; Aged, 80 and over; Anemia, Pernicious; Female; Follow-Up Studies; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Polyneuropathies; Vitamin B 12 Deficiency	2003
Cobalamin, folate, methylmalonic acid, homocysteine, and gastritis markers in dementia. Dementia and geriatric cognitive disorders, 2003, Volume: 16, Issue:4 Topics: Biomarkers; Case-Control Studies; Dementia; Folic Acid; Gastritis; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Risk Factors; Vitamin B 12	2003
B vitamin status and concentrations of homocysteine and methylmalonic acid in elderly German women. The American journal of clinical nutrition, 2003, Volume: 78, Issue:4 Topics: Aged; Anthropometry; Diet; Female; Geriatric Assessment; Germany; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Nutritional Status; Vitamin B Complex	2003
Routine determination of serum methylmalonic acid and plasma total homocysteine in Norway. Scandinavian journal of clinical and laboratory investigation, 2003, Volume: 63, Issue:5 Topics: Adolescent; Adult; Age Factors; Aged; Child; Child, Preschool; Clinical Laboratory Techniques; Creatinine; Female; Folic Acid; Homocysteine; Humans; Infant; Male; Methylmalonic Acid; Middle Aged; Norway; Sex Factors; Vitamin B 12	2003
Cobalamin status and its biochemical markers methylmalonic acid and homocysteine in different age groups from 4 days to 19 years. Clinical chemistry, 2003, Volume: 49, Issue:12 Topics: Adolescent; Adult; Biomarkers; Child; Child, Preschool; Cross-Sectional Studies; Female; Homocysteine; Humans; Infant; Infant, Newborn; Male; Methylmalonic Acid; Reference Values; Vitamin B 12	2003
Functional vitamin B12 deficiency and determination of holotranscobalamin in populations at risk. Clinical chemistry and laboratory medicine, 2003, Volume: 41, Issue:11 Topics: Adult; Aged; Aged, 80 and over; Aging; Biomarkers; Diet, Vegetarian; Female; Folic Acid; Germany; Homocysteine; Humans; Kidney Diseases; Male; Methylmalonic Acid; Middle Aged; Risk; Syria; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2003
Holotranscobalamin as a predictor of vitamin B12 status. Clinical chemistry and laboratory medicine, 2003, Volume: 41, Issue:11 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Female; Forecasting; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Radioligand Assay; Transcobalamins; Vitamin B 12 Deficiency	2003
Comparison of the influence of volume-oriented training and high-intensity interval training on serum homocysteine and its cofactors in young, healthy swimmers. Clinical chemistry and laboratory medicine, 2003, Volume: 41, Issue:11 Topics: Adolescent; Anthropometry; Exercise; Folic Acid; Heart Rate; Homocysteine; Humans; Methylmalonic Acid; Reference Values; Swimming; Time Factors; Vitamin B 12; Vitamin B 6	2003
Metabolic markers of cobalamin deficiency and cognitive function in normal older adults. Journal of the American Geriatrics Society, 2004, Volume: 52, Issue:1 Topics: Aged; Citric Acid; Cognition; Cross-Sectional Studies; Female; Folic Acid; Homocysteine; Humans; Linear Models; Male; Methylmalonic Acid; Statistics, Nonparametric; Vitamin B 12	2004
Vitamin B12 status in the elderly as judged by available biochemical markers. Clinical chemistry, 2004, Volume: 50, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Transcobalamins; Vitamin B 12; Vitamin B 6	2004
Hematological parameters and cobalamin status in infants born to smoking mothers. Biology of the neonate, 2004, Volume: 85, Issue:4 Topics: Adult; Birth Weight; Erythrocyte Count; Female; Folic Acid; Gestational Age; Hemoglobins; Homocysteine; Humans; Infant; Infant, Newborn; Logistic Models; Maternal-Fetal Exchange; Methylmalonic Acid; Pregnancy; Smoking; Vitamin B 12	2004
Urinary methylmalonic acid test may have greater value than the total homocysteine assay for screening elderly individuals for cobalamin deficiency. Clinical chemistry, 2004, Volume: 50, Issue:8 Topics: Aged; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	2004
Homocysteine and the risk of ischemic stroke in a triethnic cohort: the NOrthern MAnhattan Study. Stroke, 2004, Volume: 35, Issue:10 Topics: Aged; Black People; Cohort Studies; Female; Hispanic or Latino; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Myocardial Infarction; Proportional Hazards Models; Prospective Studies; Risk Factors; Stroke; Vascular Diseases; White People	2004
Cobalamin-responsive disorders in the ambulatory care setting: unreliability of cobalamin, methylmalonic acid, and homocysteine testing. Blood, 2005, Feb-01, Volume: 105, Issue:3 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Female; Health Maintenance Organizations; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Reproducibility of Results; Retrospective Studies; Treatment Outcome; Treatment Refusal; Vitamin B 12; Vitamin B 12 Deficiency	2005
A population-based intervention study on elevated serum levels of methylmalonic acid and total homocysteine in elderly people: results after 36 months of follow-up. Journal of internal medicine, 2004, Volume: 256, Issue:5 Topics: Aged; Cohort Studies; Female; Folic Acid; Follow-Up Studies; Homocysteine; Humans; Longitudinal Studies; Male; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2004
Response of homocysteine, cystathionine, and methylmalonic acid to vitamin treatment in dialysis patients. Clinical chemistry, 2005, Volume: 51, Issue:1 Topics: Aged; Aged, 80 and over; Cystathionine; Drug Therapy, Combination; Female; Folic Acid; Homocysteine; Humans; Kidney Failure, Chronic; Male; Methylmalonic Acid; Middle Aged; Renal Dialysis; Vitamin B 12; Vitamin B 6	2005
Alteration of homocysteine catabolism in pre-eclampsia, HELLP syndrome and placental insufficiency. Clinical chemistry and laboratory medicine, 2004, Volume: 42, Issue:10 Topics: Cystathionine; Cystatin C; Cystatins; Female; Folic Acid; HELLP Syndrome; Homocysteine; Humans; Hyperhomocysteinemia; Kidney Function Tests; Methylmalonic Acid; Oxidative Stress; Placental Insufficiency; Pre-Eclampsia; Pregnancy; Severity of Illness Index; Uric Acid; Vitamin B 12; Vitamin B 6	2004
Cellular uptake of vitamin B12 in patients with chronic renal failure. Nephron. Clinical practice, 2005, Volume: 99, Issue:2 Topics: Adult; Aged; Cells, Cultured; Cystathionine; Female; Homocysteine; Humans; Kidney Failure, Chronic; Leukocytes, Mononuclear; Male; Methylmalonic Acid; Middle Aged; Vitamin B 12	2005
Effects of intramuscular injections of vitamin B12 on lactation performance of dairy cows fed dietary supplements of folic acid and rumen-protected methionine. Journal of dairy science, 2005, Volume: 88, Issue:2 Topics: Animals; Cattle; Cysteine; Diet; Dietary Supplements; Eating; Female; Folic Acid; Homocysteine; Injections, Intramuscular; Lactation; Methionine; Methylmalonic Acid; Milk; Parity; Rumen; Vitamin B 12	2005
Effects of oral contraceptives and hormone replacement therapy on markers of cobalamin status. Clinical chemistry, 2005, Volume: 51, Issue:4 Topics: Adolescent; Adult; Aged; Contraceptives, Oral, Combined; Cross-Sectional Studies; Estrogen Replacement Therapy; Female; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Transcobalamins; Vitamin B 12	2005
Cobalamin deficiency in elderly patients. CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne, 2005, Feb-15, Volume: 172, Issue:4 Topics: Aged; Algorithms; Canada; Folic Acid; Food, Fortified; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2005
Disturbed homocysteine and methionine cycle intermediates S-adenosylhomocysteine and S-adenosylmethionine are related to degree of renal insufficiency in type 2 diabetes. Clinical chemistry, 2005, Volume: 51, Issue:5 Topics: Aged; Cystathionine; Cysteine; Diabetes Mellitus, Type 2; Diabetic Nephropathies; Female; Folic Acid; Homocysteine; Humans; Kidney; Kidney Failure, Chronic; Male; Methionine; Methylmalonic Acid; Middle Aged; S-Adenosylhomocysteine; S-Adenosylmethionine; Transcobalamins; Vitamin B 12; Vitamin B 6	2005
Creatine metabolism in combined methylmalonic aciduria and homocystinuria. Annals of neurology, 2005, Volume: 57, Issue:4 Topics: Adult; Amino Acid Metabolism, Inborn Errors; Child; Child, Preschool; Creatine; Female; Glycine; Homocysteine; Homocystinuria; Humans; Male; Methionine; Methylmalonic Acid; Vitamin B 12	2005
Executive dysfunction in hyperhomocystinemia responds to homocysteine-lowering treatment. Neurology, 2005, Apr-26, Volume: 64, Issue:8 Topics: Adult; Anticoagulants; Betaine; Cognition Disorders; Confusion; Disease Progression; Drug Therapy, Combination; Folic Acid; Frontal Lobe; Homocysteine; Humans; Hyperhomocysteinemia; Leukoaraiosis; Magnetic Resonance Imaging; Male; Methylmalonic Acid; Remission Induction; Seizures; Treatment Outcome; Vitamin B 12; Vitamin B 6	2005
Relation between homocysteine and B-vitamin status indicators and bone mineral density in older Americans. Bone, 2005, Volume: 37, Issue:2 Topics: Aged; Bone Density; Female; Folic Acid; Hip; Homocysteine; Humans; Male; Methylmalonic Acid; Osteoporosis; Radiography; United States; Vitamin B 12	2005
Cobalamin-responsive disorders and unreliability of cobalamin, methylmalonic acid, and homocysteine testing. Blood, 2005, Aug-01, Volume: 106, Issue:3 Topics: Diagnostic Errors; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2005
Maculopathy and retinal degeneration in cobalamin C methylmalonic aciduria and homocystinuria. Archives of ophthalmology (Chicago, Ill. : 1960), 2005, Volume: 123, Issue:8 Topics: Amino Acid Metabolism, Inborn Errors; Betaine; Cobamides; Female; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Infant; Macula Lutea; Methionine; Methylmalonic Acid; Retina; Retinal Degeneration; Vision, Ocular; Visual Acuity; Vitamin B 12 Deficiency	2005
Biochemical indicators of B vitamin status in the US population after folic acid fortification: results from the National Health and Nutrition Examination Survey 1999-2000. The American journal of clinical nutrition, 2005, Volume: 82, Issue:2 Topics: Adult; Aged; Dietary Supplements; Erythrocytes; Female; Folic Acid; Food, Fortified; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Nutrition Surveys; Reference Values; Time Factors; United States; Vitamin B 12	2005
Automated assay for the determination of methylmalonic acid, total homocysteine, and related amino acids in human serum or plasma by means of methylchloroformate derivatization and gas chromatography-mass spectrometry. Clinical chemistry, 2005, Volume: 51, Issue:11 Topics: Amino Acids; Autoanalysis; Formates; Gas Chromatography-Mass Spectrometry; Glycine; Homocysteine; Humans; Indicators and Reagents; Methionine; Methylmalonic Acid; Plasma; Reference Values; Sensitivity and Specificity; Serine; Serum	2005
Folate and vitamin B12 in relation to lactation: a 9-month postpartum follow-up study. European journal of clinical nutrition, 2006, Volume: 60, Issue:1 Topics: Adult; Dietary Supplements; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Lactation; Life Style; Methylmalonic Acid; Nutritional Requirements; Nutritional Status; Postpartum Period; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency	2006
Homocysteine and methylmalonic acid concentrations in cerebrospinal fluid: relation with age and Alzheimer's disease. Journal of neurology, neurosurgery, and psychiatry, 2005, Volume: 76, Issue:11 Topics: Adult; Aged; Alzheimer Disease; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged	2005
Altered vitamin B12 status in recreational endurance athletes. International journal of sport nutrition and exercise metabolism, 2005, Volume: 15, Issue:4 Topics: Adult; Biomarkers; Case-Control Studies; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Nutritional Status; Physical Endurance; Vitamin B 12; Vitamin B Complex	2005
A daily intake of approximately 6 microg vitamin B-12 appears to saturate all the vitamin B-12-related variables in Danish postmenopausal women. The American journal of clinical nutrition, 2006, Volume: 83, Issue:1 Topics: Administration, Oral; Adult; Aged; Denmark; Diet; Diet Records; Dietary Supplements; Dose-Response Relationship, Drug; Female; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Nutritional Status; Postmenopause; Statistics, Nonparametric; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2006
Two newborns with nutritional vitamin B12 deficiency: challenges in newborn screening for vitamin B12 deficiency. Haematologica, 2005, Volume: 90, Issue:12 Suppl Topics: Acyl-CoA Dehydrogenase, Long-Chain; Anemia, Pernicious; Autoimmune Diseases; Biomarkers; Carnitine; Citrates; Cystathionine; False Negative Reactions; Female; Gastric Bypass; Heterozygote; Homocysteine; Humans; Hydroxocobalamin; Infant Food; Infant, Newborn; Malabsorption Syndromes; Male; Mass Spectrometry; Maternal-Fetal Exchange; Methylmalonic Acid; Neonatal Screening; Pregnancy; Pregnancy Complications; Vitamin B 12 Deficiency	2005
Cobalamin status during normal pregnancy and postpartum: a longitudinal study comprising 406 Danish women. European journal of haematology, 2006, Volume: 76, Issue:6 Topics: Adult; Cohort Studies; Denmark; Female; Follow-Up Studies; Hemoglobins; Homocysteine; Humans; Infant, Newborn; Methylmalonic Acid; Postpartum Period; Pregnancy; Pregnancy Complications; Pregnancy Outcome; Pregnancy Trimester, Third; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency	2006
[Oral treatment of vitamin B12 deficiency in subacute combined degeneration]. Der Nervenarzt, 2006, Volume: 77, Issue:10 Topics: Administration, Oral; Adult; Anemia, Pernicious; Autoantibodies; Dose-Response Relationship, Drug; Female; Folic Acid; Homocysteine; Humans; Intrinsic Factor; Magnetic Resonance Imaging; Methylmalonic Acid; Neurologic Examination; Spinal Cord; Spinal Cord Diseases; Vitamin B 12; Vitamin B 12 Deficiency	2006
Clinical and biochemical studies on Chinese patients with methylmalonic aciduria. Journal of child neurology, 2006, Volume: 21, Issue:12 Topics: Adolescent; Adult; Age of Onset; Amino Acid Metabolism, Inborn Errors; Biomarkers; Child; Child, Preschool; China; Chronic Disease; Comorbidity; Disease Progression; Female; Homocysteine; Homocystinuria; Humans; Infant; Infant, Newborn; Male; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Predictive Value of Tests; Prognosis; Survival Rate	2006
Biomarkers of folate and vitamin B12 are related in blood and cerebrospinal fluid. Clinical chemistry, 2007, Volume: 53, Issue:2 Topics: Adult; Aged; Aging; Biomarkers; Cystathionine; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Transcobalamins; Vitamin B 12	2007
Glomerular filtration rate as measured by serum cystatin C is an important determinant of plasma homocysteine and serum methylmalonic acid in the elderly. Journal of internal medicine, 2007, Volume: 261, Issue:1 Topics: Aged; Avitaminosis; Biomarkers; Creatinine; Cystatin C; Cystatins; Female; Folic Acid; Folic Acid Deficiency; Glomerular Filtration Rate; Homocysteine; Humans; Kidney; Male; Methylmalonic Acid; Nutritional Status; Regression Analysis; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B 6	2007
Renal impairment compromises the use of total homocysteine and methylmalonic acid but not total vitamin B12 and holotranscobalamin in screening for vitamin B12 deficiency in the aged. Clinical chemistry and laboratory medicine, 2007, Volume: 45, Issue:2 Topics: Aged; Aged, 80 and over; Homocysteine; Humans; Kidney Diseases; Methods; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2007
Holotranscobalamin and methylmalonic acid as prognostic markers following an acute myocardial infarction. European journal of clinical nutrition, 2008, Volume: 62, Issue:3 Topics: Acute Disease; Aged; Aged, 80 and over; Biomarkers; Female; Follow-Up Studies; Homocysteine; Humans; Male; Methylmalonic Acid; Myocardial Infarction; Odds Ratio; Prognosis; Recurrence; Time Factors; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2008
Association between decreased vitamin levels and MTHFR, MTR and MTRR gene polymorphisms as determinants for elevated total homocysteine concentrations in pregnant women. European journal of clinical nutrition, 2008, Volume: 62, Issue:8 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adolescent; Adult; Alleles; Analysis of Variance; Female; Ferredoxin-NADP Reductase; Folic Acid; Gene Frequency; Genotype; Homocysteine; Humans; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Polymerase Chain Reaction; Polymorphism, Restriction Fragment Length; Pregnancy; S-Adenosylhomocysteine; S-Adenosylmethionine; Vitamin B 12; Young Adult	2008
Cobalamin deficiency-induced down-regulation of p75-immunoreactive cell levels in rat central nervous system. Brain research, 2007, Jul-09, Volume: 1157 Topics: Animals; Central Nervous System; Down-Regulation; Gastrectomy; Homocysteine; Immunohistochemistry; Male; Methylmalonic Acid; Nerve Fibers, Myelinated; Nerve Growth Factor; Rats; Rats, Sprague-Dawley; Receptor, Nerve Growth Factor; Recovery of Function; Septal Nuclei; Spinal Cord; Vitamin B 12; Vitamin B 12 Deficiency	2007
Reference intervals for haematological variables during normal pregnancy and postpartum in 434 healthy Danish women. European journal of haematology, 2007, Volume: 79, Issue:1 Topics: Creatinine; Denmark; Female; Ferritins; Folic Acid; Hematologic Tests; Homocysteine; Humans; Methylmalonic Acid; Postpartum Period; Pregnancy; Receptors, Transferrin; Reference Values; Vitamin B 12	2007
Influence of different dietary levels of zinc on performance, vitamin B12, and blood parameters in lambs. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 2006, Volume: 76, Issue:6 Topics: Animal Feed; Animals; Blood Glucose; Body Weight; Cobalt; Diet; Dietary Supplements; Dose-Response Relationship, Drug; Folic Acid; Homocysteine; Methylmalonic Acid; Rumen; Sheep; Vitamin B 12; Zinc	2006
Folate, but not vitamin B-12 status, predicts respiratory morbidity in north Indian children. The American journal of clinical nutrition, 2007, Volume: 86, Issue:1 Topics: Acute Disease; Child, Preschool; Cohort Studies; Female; Folic Acid; Homocysteine; Humans; Incidence; India; Infant; Male; Methylmalonic Acid; Multivariate Analysis; Prospective Studies; Regression Analysis; Respiratory Tract Infections; Risk Factors; Vitamin B 12	2007
Marfanoid features in a child with combined methylmalonic aciduria and homocystinuria (CblC type). Journal of inherited metabolic disease, 2007, Volume: 30, Issue:5 Topics: Adolescent; Carnitine; Carrier Proteins; Child; Cysteine; Diagnosis, Differential; DNA Mutational Analysis; Exons; Female; Folic Acid; Genetic Testing; Heterozygote; Homocysteine; Homocystinuria; Humans; Male; Marfan Syndrome; Metabolism, Inborn Errors; Methylmalonic Acid; Mutation; Oxidoreductases; Pedigree; Phenotype; Treatment Outcome; Vitamin B 12; Vitamin B 6; Vitamins	2007
Vitamin B12 and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study. Diabetologia, 2008, Volume: 51, Issue:1 Topics: Adipose Tissue; Anthropometry; Body Composition; Body Mass Index; Child; Female; Folic Acid; Homocysteine; Humans; Insulin Resistance; Male; Methylmalonic Acid; Pregnancy; Pregnancy Complications; Vitamin B 12	2008
West syndrome in an infant with vitamin B12 deficiency in the absence of macrocytic anaemia. Developmental medicine and child neurology, 2007, Volume: 49, Issue:10 Topics: Anemia, Macrocytic; Brain; Diagnosis, Differential; Electroencephalography; Female; Homocysteine; Humans; Infant; Methylmalonic Acid; Spasms, Infantile; Vitamin B 12 Deficiency	2007
Low vitamin B-12 status and risk of cognitive decline in older adults. The American journal of clinical nutrition, 2007, Volume: 86, Issue:5 Topics: Aged; Aged, 80 and over; Cognition Disorders; Cohort Studies; Female; Homocysteine; Humans; Longitudinal Studies; Male; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2007
The association of gastric cancer risk with plasma folate, cobalamin, and methylenetetrahydrofolate reductase polymorphisms in the European Prospective Investigation into Cancer and Nutrition. Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology, 2007, Volume: 16, Issue:11 Topics: Adult; Aged; Case-Control Studies; Cohort Studies; Europe; Female; Folic Acid; Gastritis, Atrophic; Homocysteine; Humans; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Polymorphism, Single Nucleotide; Prospective Studies; Risk Factors; Stomach Neoplasms; Vitamin B 12	2007
Evaluation of nutritional and genetic determinants of total homocysteine, methylmalonic acid and S-adenosylmethionine/S-adenosylhomocysteine values in Brazilian childbearing-age women. Clinica chimica acta; international journal of clinical chemistry, 2008, Volume: 388, Issue:1-2 Topics: Adult; Aging; Alleles; Anemia, Iron-Deficiency; Avitaminosis; Brazil; Female; Genotype; Homocysteine; Humans; Methylmalonic Acid; Nutritional Physiological Phenomena; Polymorphism, Genetic; Reproduction; S-Adenosylhomocysteine; S-Adenosylmethionine; Vitamin B 12; Vitamins	2008
In vitamin B12 deficiency, higher serum folate is associated with increased total homocysteine and methylmalonic acid concentrations. Proceedings of the National Academy of Sciences of the United States of America, 2007, Dec-11, Volume: 104, Issue:50 Topics: Adult; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Time Factors; Vitamin B 12 Deficiency	2007
Methylmalonic acid values in healthy Dutch children. European journal of nutrition, 2008, Volume: 47, Issue:1 Topics: Adolescent; Adult; Aging; Biomarkers; Child; Child, Preschool; Creatinine; Cross-Sectional Studies; Female; Homocysteine; Humans; Infant; Infant, Newborn; Male; Methylmalonic Acid; Netherlands; Reference Values; Regression Analysis; Vitamin B 12; Vitamin B 12 Deficiency	2008
In vitamin B12 deficiency, higher serum folate is associated with increased homocysteine and methylmalonic acid concentrations. Proceedings of the National Academy of Sciences of the United States of America, 2008, Feb-05, Volume: 105, Issue:5 Topics: Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	2008
Prenatal diagnosis of methylmalonic aciduria by analysis of organic acids and total homocysteine in amniotic fluid. Chinese medical journal, 2008, Feb-05, Volume: 121, Issue:3 Topics: Amniotic Fluid; Carnitine; Citrates; Female; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Male; Methylmalonic Acid; Pregnancy; Prenatal Diagnosis; Spectrometry, Mass, Electrospray Ionization	2008
A fast liquid chromatographic tandem mass spectrometric method for the simultaneous determination of total homocysteine and methylmalonic acid. Analytical and bioanalytical chemistry, 2008, Volume: 391, Issue:1 Topics: Chromatography, Liquid; Homocysteine; Humans; Methylmalonic Acid; Succinic Acid; Tandem Mass Spectrometry; Time Factors	2008
Gas chromatographic-mass spectrometric analysis of biomarkers related to folate and cobalamin status in human serum after dimercaptopropanesulfonate reduction and heptafluorobutyl chloroformate derivatization. Analytical chemistry, 2008, Aug-01, Volume: 80, Issue:15 Topics: Alkanesulfonic Acids; Biomarkers; Fluorocarbons; Folic Acid; Formates; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Methylmalonic Acid; Oxidation-Reduction; Sulfhydryl Compounds; Vitamin B 12	2008
Folate and cobalamin status in relation to breastfeeding and weaning in healthy infants. The American journal of clinical nutrition, 2008, Volume: 88, Issue:1 Topics: Age Distribution; Analysis of Variance; Breast Feeding; Child, Preschool; Diet Records; Female; Folic Acid; Homocysteine; Humans; Infant; Infant Nutritional Physiological Phenomena; Infant, Newborn; Longitudinal Studies; Male; Methylmalonic Acid; Norway; Nutritional Status; Reference Values; Surveys and Questionnaires; Vitamin B 12; Vitamin B Complex; Weaning	2008
Neuropathy as a potential complication of levodopa use in Parkinson's disease. Movement disorders : official journal of the Movement Disorder Society, 2008, Oct-15, Volume: 23, Issue:13 Topics: Analysis of Variance; Antiparkinson Agents; Female; Homocysteine; Humans; Levodopa; Male; Methylmalonic Acid; Parkinson Disease; Peripheral Nervous System Diseases; Retrospective Studies; Vitamin B 12	2008
[Thromboembolic events, abortions and a sick infant--unusual presentation of a vitamin deficiency]. Der Internist, 2008, Volume: 49, Issue:12 Topics: Abortion, Habitual; Adult; Anemia, Pernicious; Autoimmune Diseases; Breast Feeding; Diagnosis, Differential; Failure to Thrive; Female; Folic Acid; Gastritis, Atrophic; Homocysteine; Humans; Infant; Intrinsic Factor; Methylmalonic Acid; Parietal Cells, Gastric; Pregnancy; Thromboembolism; Vitamin B 12 Deficiency	2008
Relationships between gene polymorphisms of folate-related proteins and vitamins and metabolites in pregnant women and neonates. Clinica chimica acta; international journal of clinical chemistry, 2008, Volume: 398, Issue:1-2 Topics: Adult; Brazil; DNA; Embryonic Development; Ethnicity; Female; Folic Acid; Glutamate Carboxypeptidase II; Homocysteine; Humans; Infant, Newborn; Methylmalonic Acid; Polymorphism, Genetic; Polymorphism, Restriction Fragment Length; Pregnancy; Reduced Folate Carrier Protein; Reverse Transcriptase Polymerase Chain Reaction; S-Adenosylhomocysteine; S-Adenosylmethionine; Socioeconomic Factors; Vitamin B 12; Vitamin B Complex; Young Adult	2008
B-vitamin and homocysteine status determines ovarian response to gonadotropin treatment in sheep. Biology of reproduction, 2009, Volume: 80, Issue:4 Topics: Animals; Cells, Cultured; Diet; Female; Gene Expression Regulation; Gonadotropins; Granulosa Cells; Homocysteine; Methylmalonic Acid; Ovarian Follicle; Ovary; Ovulation; Ovulation Induction; Sheep; Vitamin B Complex; Vitamin B Deficiency	2009
Folate-vitamin B-12 interaction in relation to cognitive impairment, anemia, and biochemical indicators of vitamin B-12 deficiency. The American journal of clinical nutrition, 2009, Volume: 89, Issue:2 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Aging; Anemia, Pernicious; Cognition Disorders; Drug Interactions; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Middle Aged; Nutrition Surveys; Nutritional Status; Odds Ratio; Prevalence; Vitamin B 12; Vitamin B 12 Deficiency	2009
Association between Helicobacter pylori-infection, C-reactive protein and status of B vitamins. Advances in medical sciences, 2008, Volume: 53, Issue:2 Topics: C-Reactive Protein; Cross-Sectional Studies; Female; Folic Acid; Helicobacter Infections; Helicobacter pylori; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Risk Factors; Vitamin B 12; Vitamin B 6	2008
Urinary methylmalonic acid levels in patients with acute ischemic stroke. Clinical biochemistry, 2009, Volume: 42, Issue:7-8 Topics: Aged; Aged, 80 and over; Brain Ischemia; Creatinine; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Stroke; Vitamin B 12	2009
Genetic polymorphisms involved in folate metabolism and concentrations of methylmalonic acid and folate on plasma homocysteine and risk of coronary artery disease. Journal of thrombosis and thrombolysis, 2010, Volume: 29, Issue:1 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Adult; Aged; Case-Control Studies; Coronary Artery Disease; Female; Folic Acid; Homocysteine; Humans; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Polymorphism, Genetic; Risk Factors	2010
Vitamin B(12) deficiency stimulates osteoclastogenesis via increased homocysteine and methylmalonic acid. Calcified tissue international, 2009, Volume: 84, Issue:5 Topics: Animals; Bone and Bones; Bone Density; Bone Remodeling; Cell Differentiation; Cell Line; Cell Proliferation; Dose-Response Relationship, Drug; Homocysteine; Humans; Male; Methylmalonic Acid; Mice; Mice, Inbred C57BL; Osteoclasts; Osteoporosis; Up-Regulation; Vitamin B 12; Vitamin B 12 Deficiency	2009
Metabolic evidence of vitamin B-12 deficiency, including high homocysteine and methylmalonic acid and low holotranscobalamin, is more pronounced in older adults with elevated plasma folate. The American journal of clinical nutrition, 2009, Volume: 90, Issue:6 Topics: Aged; Aged, 80 and over; Cross-Sectional Studies; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Transcobalamins; Vitamin B 12 Deficiency	2009
Subclinical vitamin B12 deficiency in pregnant women attending an antenatal clinic in Nigeria. Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology, 2009, Volume: 29, Issue:4 Topics: Adult; Ambulatory Care Facilities; Female; Folic Acid; Hemoglobins; Homocysteine; Humans; Methylmalonic Acid; Nigeria; Pregnancy; Pregnancy Complications; Prenatal Care; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2009
Association of metformin, elevated homocysteine, and methylmalonic acid levels and clinically worsened diabetic peripheral neuropathy. Diabetes care, 2010, Volume: 33, Issue:1 Topics: Aged; Case-Control Studies; Chromatography, High Pressure Liquid; Diabetic Neuropathies; Electrophysiology; Female; Homocysteine; Humans; Hypoglycemic Agents; Immunoassay; Male; Mass Spectrometry; Metformin; Methylmalonic Acid; Middle Aged; Peripheral Nervous System Diseases; Prospective Studies; Vitamin B 12	2010
Double aneuploidy (48,XXY,+21) of maternal origin in a child born to a 13-year-old mother: evaluation of the maternal folate metabolism. Genetic counseling (Geneva, Switzerland), 2009, Volume: 20, Issue:3 Topics: Adolescent; Alleles; Aneuploidy; Brazil; Chromosomes, Human, X; Chromosomes, Human, Y; DNA Mutational Analysis; Down Syndrome; Female; Ferredoxin-NADP Reductase; Folic Acid; Genetic Carrier Screening; Genotype; Heart Defects, Congenital; Homocysteine; Homozygote; Humans; Infant; Klinefelter Syndrome; Male; Meiosis; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Nondisjunction, Genetic; Polymorphism, Genetic; Pregnancy; Pregnancy in Adolescence; Sex Chromosome Aberrations; Trisomy	2009
Does high folic acid intake affect unrecognized cobalamin deficiency, and how will we know it if we see it? The American journal of clinical nutrition, 2009, Volume: 90, Issue:6 Topics: Cognition; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency	2009
Metabolic signs of vitamin B(12) deficiency in humans: computational model and its implications for diagnostics. Metabolism: clinical and experimental, 2010, Volume: 59, Issue:8 Topics: Computer Simulation; Homocysteine; Humans; Methylmalonic Acid; Probability; ROC Curve; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2010
Daily intake of 4 to 7 microg dietary vitamin B-12 is associated with steady concentrations of vitamin B-12-related biomarkers in a healthy young population. The American journal of clinical nutrition, 2010, Volume: 91, Issue:3 Topics: Adolescent; Adult; Antibodies, Bacterial; Autoantibodies; Biomarkers; Diet; Dose-Response Relationship, Drug; Female; Helicobacter pylori; Homocysteine; Humans; Intrinsic Factor; Male; Methylmalonic Acid; Middle Aged; Nutrition Policy; Nutritional Requirements; Nutritional Status; Reference Values; Vitamin B 12; Vitamin B Complex; Young Adult	2010
A novel mutation in LMBRD1 causes the cblF defect of vitamin B(12) metabolism in a Turkish patient. Journal of inherited metabolic disease, 2010, Volume: 33, Issue:1 Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Alleles; Female; Fibroblasts; Homocysteine; Humans; Lysosomes; Male; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Mutation; Nucleocytoplasmic Transport Proteins; Turkey; Vitamin B 12	2010
Transcobalamin C776G genotype modifies the association between vitamin B12 and homocysteine in older Hispanics. European journal of clinical nutrition, 2010, Volume: 64, Issue:5 Topics: Aged; Aging; Analysis of Variance; California; Female; Genotype; Health Surveys; Hispanic or Latino; Homocysteine; Homozygote; Humans; Hyperhomocysteinemia; Logistic Models; Male; Methylmalonic Acid; Middle Aged; Polymorphism, Single Nucleotide; Transcobalamins; Vitamin B 12; Vitamin B Complex; White People	2010
Should transcobalamin deficiency be treated aggressively? Journal of inherited metabolic disease, 2010, Volume: 33, Issue:3 Topics: Anemia, Megaloblastic; Biological Transport; DNA Mutational Analysis; DNA Primers; Female; Homocysteine; Humans; Infant; Infant, Newborn; Methionine; Methylmalonic Acid; Mutation; Polymerase Chain Reaction; Protein Structure, Tertiary; Transcobalamins	2010
Circulating unmetabolized folic acid and 5-methyltetrahydrofolate in relation to anemia, macrocytosis, and cognitive test performance in American seniors. The American journal of clinical nutrition, 2010, Volume: 91, Issue:6 Topics: Aged; Aging; Anemia; Anemia, Macrocytic; Blood Cell Count; Cognition; Cognition Disorders; Cystatin C; Female; Folic Acid; Hemoglobins; Homocysteine; Humans; Linear Models; Male; Methylmalonic Acid; Multivariate Analysis; Nutrition Surveys; Tetrahydrofolates; United States; Vitamin B 12 Deficiency	2010
Positive newborn screen for methylmalonic aciduria identifies the first mutation in TCblR/CD320, the gene for cellular uptake of transcobalamin-bound vitamin B(12). Human mutation, 2010, Volume: 31, Issue:8 Topics: Amino Acid Sequence; Antigens, CD; Base Sequence; Cells, Cultured; DNA Mutational Analysis; Female; Fibroblasts; Homocysteine; Humans; Infant; Infant, Newborn; Metabolism, Inborn Errors; Methylmalonic Acid; Molecular Sequence Data; Mutation; Neonatal Screening; Pregnancy; Receptors, Cell Surface; Transcobalamins; Vitamin B 12	2010
Unmetabolized serum folic acid and its relation to folic acid intake from diet and supplements in a nationally representative sample of adults aged > or =60 y in the United States. The American journal of clinical nutrition, 2010, Volume: 92, Issue:2 Topics: Aged; Diet; Dietary Supplements; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Nutrition Surveys; Tetrahydrofolates; United States; Vitamin B 12	2010
Vitamin B12-responsive severe leukoencephalopathy and autonomic dysfunction in a patient with "normal" serum B12 levels. Journal of neurology, neurosurgery, and psychiatry, 2010, Volume: 81, Issue:12 Topics: Autoantibodies; Autonomic Nervous System Diseases; Brain; Cognition Disorders; Depressive Disorder; Drug Therapy, Combination; Female; Homocysteine; Humans; Intrinsic Factor; Leukoencephalopathies; Magnetic Resonance Imaging; Mental Status Schedule; Methylmalonic Acid; Middle Aged; Neurologic Examination; Psychometrics; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin D	2010
Elevated levels of methylmalonate and homocysteine in Parkinson's disease, progressive supranuclear palsy and amyotrophic lateral sclerosis. Dementia and geriatric cognitive disorders, 2010, Volume: 29, Issue:6 Topics: Aged; Aged, 80 and over; Amyotrophic Lateral Sclerosis; Case-Control Studies; Female; Folic Acid; Homocysteine; Humans; Male; Matched-Pair Analysis; Methylmalonic Acid; Middle Aged; Parkinson Disease; Reference Values; Supranuclear Palsy, Progressive; Vitamin B 12	2010
Methylmalonic aciduria and homocystinuria-associated maculopathy. Eye (London, England), 2010, Volume: 24, Issue:11 Topics: Amino Acid Metabolism, Inborn Errors; Child, Preschool; Homocysteine; Homocystinuria; Humans; Macula Lutea; Male; Methylmalonic Acid; Retinal Degeneration	2010
Determination of total homocysteine, methylmalonic acid, and 2-methylcitric acid in dried blood spots by tandem mass spectrometry. Clinical chemistry, 2010, Volume: 56, Issue:11 Topics: Blood Specimen Collection; Chromatography, Liquid; Citrates; False Positive Reactions; Homocysteine; Humans; Infant, Newborn; Limit of Detection; Methylmalonic Acid; Neonatal Screening; Predictive Value of Tests; Reference Values; Tandem Mass Spectrometry	2010
Anemia in older persons. American family physician, 2010, Sep-01, Volume: 82, Issue:5 Topics: Aged; Algorithms; Anemia; Deficiency Diseases; Erythrocyte Indices; Female; Ferritins; Folic Acid; Hematinics; Homocysteine; Humans; Inflammation; Iron Compounds; Male; Medical History Taking; Methylmalonic Acid; Physical Examination; Renal Insufficiency; Reticulocyte Count; Vitamin B 12	2010
Clinical, biochemical, and molecular analysis of combined methylmalonic acidemia and hyperhomocysteinemia (cblC type) in China. Journal of inherited metabolic disease, 2010, Volume: 33 Suppl 3 Topics: Amino Acid Metabolism, Inborn Errors; Biomarkers; Carnitine; Carrier Proteins; Child, Preschool; China; Codon, Nonsense; DNA Mutational Analysis; Exons; Gas Chromatography-Mass Spectrometry; Gene Frequency; Genetic Association Studies; Genetic Predisposition to Disease; Heterozygote; Homocysteine; Homocystinuria; Homozygote; Humans; Infant; Infant, Newborn; Methylmalonic Acid; Oxidoreductases; Phenotype; Vitamin B 12 Deficiency	2010
Serum vitamin B12 concentrations within reference values do not exclude functional vitamin B12 deficiency in PKU patients of various ages. Molecular genetics and metabolism, 2011, Volume: 102, Issue:1 Topics: Adolescent; Adult; Age Factors; Child; Child, Preschool; Female; Homocysteine; Humans; Infant; Male; Methylmalonic Acid; Phenylketonurias; Reference Values; Retrospective Studies; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2011
Contributions of enriched cereal-grain products, ready-to-eat cereals, and supplements to folic acid and vitamin B-12 usual intake and folate and vitamin B-12 status in US children: National Health and Nutrition Examination Survey (NHANES), 2003-2006. The American journal of clinical nutrition, 2011, Volume: 93, Issue:1 Topics: Adolescent; Child; Child, Preschool; Dietary Supplements; Edible Grain; Female; Folic Acid; Health Surveys; Homocysteine; Humans; Infant; Male; Methylmalonic Acid; Nutrition Surveys; Time Factors; Vitamin B 12	2011
19-base pair deletion polymorphism of the dihydrofolate reductase (DHFR) gene: maternal risk of Down syndrome and folate metabolism. Sao Paulo medical journal = Revista paulista de medicina, 2010, Volume: 128, Issue:4 Topics: Adolescent; Chi-Square Distribution; Child; Cross-Sectional Studies; Down Syndrome; Female; Folic Acid; Gene Frequency; Homocysteine; Humans; Methylmalonic Acid; Polymerase Chain Reaction; Polymorphism, Genetic; Risk Factors; Tetrahydrofolate Dehydrogenase	2010
Homocysteine is a determinant of ApoA-I and both are associated with ankle brachial index, in an ambulatory elderly population. Atherosclerosis, 2011, Volume: 214, Issue:2 Topics: Age Factors; Aged; Aged, 80 and over; Ankle Brachial Index; Apolipoprotein A-I; Biomarkers; Cholesterol, HDL; Female; Folic Acid; Homocysteine; Humans; Independent Living; Male; Methylmalonic Acid; Middle Aged; Particle Size; Peripheral Arterial Disease; Regression Analysis; Risk Assessment; Risk Factors; Sicily; Vitamin B 12; Walking	2011
Folate and cobalamin status in relation to diet in healthy 2-y-old children. The American journal of clinical nutrition, 2011, Volume: 93, Issue:4 Topics: Child, Preschool; Dairy Products; Diet; Diet Records; Dietary Supplements; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Male; Methylmalonic Acid; Multivariate Analysis; Norway; Nutrition Policy; Nutritional Status; Transcobalamins; Vitamin B 12; Vitamin B Complex	2011
Total blood mercury, plasma homocysteine, methylmalonic acid and folate in US children aged 3-5 years, NHANES 1999-2004. The Science of the total environment, 2011, Mar-15, Volume: 409, Issue:8 Topics: Child, Preschool; Cross-Sectional Studies; Environmental Exposure; Environmental Pollutants; Female; Folic Acid; Homocysteine; Humans; Linear Models; Male; Mercury; Methylmalonic Acid; Nutrition Surveys; United States	2011
Inborn errors of cobalamin absorption and metabolism. American journal of medical genetics. Part C, Seminars in medical genetics, 2011, Feb-15, Volume: 157C, Issue:1 Topics: Amino Acid Metabolism, Inborn Errors; Anemia, Megaloblastic; Cobamides; Homocysteine; Humans; Hyperhomocysteinemia; Infant, Newborn; Malabsorption Syndromes; Metabolism, Inborn Errors; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Neonatal Screening; Proteinuria; Vitamin B 12; Vitamin B 12 Deficiency	2011
Vitamin B12 deficiency, hyperhomocysteinemia and thrombosis: a case and control study. International journal of hematology, 2011, Volume: 93, Issue:4 Topics: Adult; Aged; Case-Control Studies; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Middle Aged; Thrombosis; Vitamin B 12; Vitamin B 12 Deficiency	2011
Diagnostic accuracy of holotranscobalamin, methylmalonic acid, serum cobalamin, and other indicators of tissue vitamin B₁₂ status in the elderly. Clinical chemistry, 2011, Volume: 57, Issue:6 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Discriminant Analysis; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Kidney Diseases; Kidney Function Tests; Linear Models; Male; Methylmalonic Acid; Middle Aged; Predictive Value of Tests; Reference Values; ROC Curve; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2011
The MMACHC proteome: hallmarks of functional cobalamin deficiency in humans. Molecular genetics and metabolism, 2011, Volume: 103, Issue:3 Topics: Amino Acid Metabolism, Inborn Errors; Carrier Proteins; Cell Line; Cells, Cultured; Fibroblasts; Folic Acid; Homocysteine; Humans; Hydroxocobalamin; Intracellular Space; Metabolic Networks and Pathways; Methylmalonic Acid; Mutation; Oxidoreductases; Phenotype; Proteome; Vimentin; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2011
B-vitamin deficiency is protective against DSS-induced colitis in mice. American journal of physiology. Gastrointestinal and liver physiology, 2011, Volume: 301, Issue:2 Topics: Analysis of Variance; Animals; Body Weight; Colitis; Dextran Sulfate; Gene Expression; Glutathione; Homocysteine; Inflammation; Interleukin-10; Kaplan-Meier Estimate; Male; Metabolomics; Methionine; Methylmalonic Acid; Mice; Mice, Inbred C57BL; Nitric Oxide Synthase Type II; Peroxidase; Pyridoxal Phosphate; S-Adenosylhomocysteine; Severity of Illness Index; Tumor Necrosis Factor-alpha; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2011
Do high blood folate concentrations exacerbate metabolic abnormalities in people with low vitamin B-12 status? The American journal of clinical nutrition, 2011, Volume: 94, Issue:2 Topics: Adult; Cross-Sectional Studies; Female; Ferritins; Folic Acid; Food, Fortified; Homocysteine; Humans; Male; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2011
Polymorphism C1420T of Serine hydroxymethyltransferase gene on maternal risk for Down syndrome. Molecular biology reports, 2012, Volume: 39, Issue:3 Topics: DNA Primers; Down Syndrome; Female; Folic Acid; Gene Frequency; Genetic Association Studies; Genetic Predisposition to Disease; Genotype; Glycine Hydroxymethyltransferase; Homocysteine; Humans; Inheritance Patterns; Logistic Models; Methylmalonic Acid; Odds Ratio; Polymorphism, Single Nucleotide; Risk Factors	2012
Association of cognitive impairment with combinations of vitamin B₁₂-related parameters. Clinical chemistry, 2011, Volume: 57, Issue:10 Topics: Aged; Biomarkers; Case-Control Studies; Cognition Disorders; Cross-Sectional Studies; Homocysteine; Humans; Methylmalonic Acid; Risk Assessment; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2011
Uptake of cobalamin and markers of cobalamin status: a longitudinal study of healthy pregnant women. Clinical chemistry and laboratory medicine, 2011, Volume: 49, Issue:11 Topics: Adult; Biomarkers; Denmark; Female; Homocysteine; Humans; Longitudinal Studies; Methylmalonic Acid; Pregnancy; Pregnancy Trimesters; Transcobalamins; Vitamin B 12	2011
Formate can differentiate between hyperhomocysteinemia due to impaired remethylation and impaired transsulfuration. American journal of physiology. Endocrinology and metabolism, 2012, Jan-01, Volume: 302, Issue:1 Topics: Animals; Biomarkers; Brain; Folic Acid Deficiency; Formates; Homocysteine; Hyperhomocysteinemia; Liver; Magnetic Resonance Spectroscopy; Male; Metabolomics; Methionine; Methylation; Methylmalonic Acid; Models, Biological; Random Allocation; Rats; Rats, Sprague-Dawley; Vitamin B 12 Deficiency; Vitamin B 6 Deficiency	2012
Total blood mercury and serum measles antibodies in US children, NHANES 2003-2004. The Science of the total environment, 2011, Dec-01, Volume: 410-411 Topics: Antibodies, Viral; Child; Cross-Sectional Studies; Environmental Exposure; Environmental Pollutants; Female; Folic Acid; Homocysteine; Humans; Linear Models; Male; Measles; Measles virus; Mercury; Methylmalonic Acid; Nutrition Surveys; United States	2011
Vitamin B₁₂ deficiency & cognitive impairment in elderly population. The Indian journal of medical research, 2011, Volume: 134 Topics: Diet, Vegetarian; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency	2011
Vitamin B₁₂ deficiency & levels of metabolites in an apparently normal urban south Indian elderly population. The Indian journal of medical research, 2011, Volume: 134 Topics: Aged; Diet, Vegetarian; Erythrocytes; Female; Folic Acid; Helicobacter Infections; Helicobacter pylori; Homocysteine; Humans; India; Male; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency	2011
Do we need to reconsider the desirable blood level of vitamin B12? Journal of internal medicine, 2012, Volume: 271, Issue:2 Topics: Age Factors; Homocysteine; Humans; Methylmalonic Acid; Prognosis; Vitamin B 12; Vitamin B 12 Deficiency	2012
Holotranscobalamin: not ready for prime time. Clinical chemistry, 2012, Volume: 58, Issue:3 Topics: Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2012
[Approaches to vitamin B12 deficiency]. Nederlands tijdschrift voor geneeskunde, 2012, Volume: 156, Issue:1 Topics: Adult; Aged; Anemia, Iron-Deficiency; Diagnostic Services; Diet, Vegetarian; Female; Homocysteine; Humans; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2012
Methylmalonic acid and homocysteine assessment in the detection of vitamin B12 deficiency in patients with bilateral visual loss. Acta ophthalmologica, 2012, Volume: 90, Issue:3 Topics: Adult; Aged, 80 and over; Blindness; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2012
Vision changes after spaceflight are related to alterations in folate- and vitamin B-12-dependent one-carbon metabolism. The Journal of nutrition, 2012, Volume: 142, Issue:3 Topics: Adult; Astronauts; Carbon Dioxide; Citrates; Cystathionine; Female; Folic Acid; Homocysteine; Humans; Male; Metabolic Networks and Pathways; Methylmalonic Acid; Middle Aged; Models, Biological; Refraction, Ocular; Space Flight; Vision Disorders; Vitamin B 12	2012
Methylation capacity in children with severe cerebral palsy. European journal of clinical investigation, 2012, Volume: 42, Issue:7 Topics: Betaine; Biomarkers; Case-Control Studies; Cerebral Palsy; Child; Child, Preschool; Choline; Cystathionine; DNA Methylation; Erythrocyte Indices; Erythrocyte Membrane; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Queensland; Severity of Illness Index; Uric Acid	2012
[Skin lesions induced by malnutrition in an infant with methylmalonic aciduria and homocysteic acidemia]. Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics, 2012, Volume: 14, Issue:3 Topics: Homocysteine; Humans; Infant; Infant Nutrition Disorders; Male; Methylmalonic Acid; Skin Diseases; Vitamin B 12	2012
Cobalamin status in sickle cell disease. International journal of laboratory hematology, 2013, Volume: 35, Issue:1 Topics: Adult; Anemia, Sickle Cell; Black or African American; Cross-Sectional Studies; District of Columbia; Homocysteine; Hospitals, Teaching; Humans; Male; Methylmalonic Acid; Middle Aged; Nutritional Status; Prevalence; Prospective Studies; Renal Insufficiency, Chronic; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2013
Serum cobalamin, urine methylmalonic acid, and plasma total homocysteine concentrations in Border Collies and dogs of other breeds. American journal of veterinary research, 2012, Volume: 73, Issue:8 Topics: Amino Acid Metabolism, Inborn Errors; Animals; Biomarkers; Chromatography, Gas; Chromatography, High Pressure Liquid; Dog Diseases; Dogs; Female; Homocysteine; Luminescence; Male; Methylmalonic Acid; Reference Values; Species Specificity; Vitamin B 12; Vitamin B 12 Deficiency	2012
Genetic polymorphisms modulate the folate metabolism of Brazilian individuals with Down syndrome. Molecular biology reports, 2012, Volume: 39, Issue:10 Topics: Adolescent; Adult; Brazil; Child; Child, Preschool; Chromosomes, Human, Pair 21; Down Syndrome; Female; Folic Acid; Gene Frequency; Genetic Association Studies; Genotype; Homocysteine; Humans; Infant; Linear Models; Male; Methylmalonic Acid; Polymorphism, Genetic; Sequence Analysis, DNA; Vitamin B 12 Deficiency; Young Adult	2012
[Abnormal findings during newborn period of 160 patients with early-onset methylmalonic aciduria]. Zhonghua er ke za zhi = Chinese journal of pediatrics, 2012, Volume: 50, Issue:6 Topics: Amino Acid Metabolism, Inborn Errors; Carnitine; Child; Child, Preschool; China; Female; Folic Acid; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Hyperhomocysteinemia; Infant; Infant, Newborn; Male; Methylmalonic Acid; Neonatal Screening; Retrospective Studies; Vitamin B 12	2012
Maternal B vitamin status in pregnancy week 18 according to reported use of folic acid supplements. Molecular nutrition & food research, 2013, Volume: 57, Issue:4 Topics: Adult; Biomarkers; Dietary Supplements; Fatty Acids, Omega-3; Female; Folic Acid; Homocysteine; Humans; Maternal Nutritional Physiological Phenomena; Methylmalonic Acid; Micronutrients; Norway; Pregnancy; Prospective Studies; Riboflavin; Socioeconomic Factors; Surveys and Questionnaires; Vitamin B 12; Vitamin B 6; Vitamin B Complex	2013
Total blood mercury and rubella antibody concentrations in US children aged 6-11 years, NHANES 2003-2004. The Science of the total environment, 2013, Jan-01, Volume: 442 Topics: Antibodies, Viral; Child; Cross-Sectional Studies; Environmental Pollutants; Female; Folic Acid; Homocysteine; Humans; Immunoglobulin G; Linear Models; Male; Measles; Mercury; Methylmalonic Acid; Nutrition Surveys; United States; Vitamin B 12	2013
[Biological markers for the status of vitamins B12 and D: the importance of some analytical aspects in relation to clinical interpretation of results]. Revue medicale suisse, 2012, Oct-31, Volume: 8, Issue:360 Topics: Biomarkers; Homocysteine; Humans; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin D; Vitamin D Deficiency	2012
Cognitive function in an elderly population: interaction between vitamin B12 status, depression, and apolipoprotein E ε4: the Hordaland Homocysteine Study. Psychosomatic medicine, 2013, Volume: 75, Issue:1 Topics: Aged; Apolipoprotein E4; Cognition; Cognition Disorders; Cross-Sectional Studies; Depression; Female; Homocysteine; Humans; Linear Models; Male; Methylmalonic Acid; Neuropsychological Tests; Norway; Regression Analysis; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2013
Vitamin B(12) intake and status in early pregnancy among urban South Indian women. Annals of nutrition & metabolism, 2013, Volume: 62, Issue:2 Topics: Adolescent; Adult; Anthropometry; Cross-Sectional Studies; Diet; Dietary Supplements; Erythrocytes; Female; Folic Acid; Follow-Up Studies; Homocysteine; Humans; India; Methylmalonic Acid; Nutritional Status; Parity; Pregnancy; Prevalence; Socioeconomic Factors; Surveys and Questionnaires; Urban Population; Vitamin B 12; Vitamin B 12 Deficiency; White People; Young Adult	2013
Detection of vitamin B12 deficiency in alcohol abuse. Acta ophthalmologica, 2014, Volume: 92, Issue:1 Topics: Alcohol Abstinence; Alcoholism; Homocysteine; Humans; Methylmalonic Acid; Optic Atrophy, Hereditary, Leber; Smoking; Vision Disorders; Vitamin B 12; Vitamin B 12 Deficiency	2014
DHFR 19-bp deletion and SHMT C1420T polymorphisms and metabolite concentrations of the folate pathway in individuals with Down syndrome. Genetic testing and molecular biomarkers, 2013, Volume: 17, Issue:4 Topics: Adolescent; Adult; Child; Child, Preschool; Down Syndrome; Female; Folic Acid; Gene Deletion; Gene Frequency; Genotype; Glycine Hydroxymethyltransferase; Homocysteine; Humans; Infant; Male; Methylmalonic Acid; Polymorphism, Genetic; Tetrahydrofolate Dehydrogenase; Young Adult	2013
Serum homocysteine and methylmalonic acid concentrations in Chinese Shar-Pei dogs with cobalamin deficiency. Veterinary journal (London, England : 1997), 2013, Volume: 197, Issue:2 Topics: Animals; Dog Diseases; Dogs; Genetic Predisposition to Disease; Homocysteine; Methylmalonic Acid; Retrospective Studies; Vitamin B 12 Deficiency	2013
Advanced age as a risk factor for folate-associated functional cobalamin deficiency. Journal of the American Geriatrics Society, 2013, Volume: 61, Issue:4 Topics: Aged; Aged, 80 and over; Causality; Cognition Disorders; Comorbidity; Female; Folic Acid; Geriatric Assessment; Homocysteine; Humans; Male; Methylmalonic Acid; Risk Factors; Severity of Illness Index; Vitamin B 12; Vitamin B 12 Deficiency	2013
Problems related to the diagnosis of vitamin B12 deficiency optic neuropathy. Acta ophthalmologica, 2014, Volume: 92, Issue:1 Topics: False Positive Reactions; Homocysteine; Humans; Methylmalonic Acid; Optic Nerve Diseases; Predictive Value of Tests; Reproducibility of Results; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency	2014
Early biochemical and hematological response to intramuscular cyanocobalamin therapy in vitamin B(12)-deficient patients. Annals of nutrition & metabolism, 2013, Volume: 62, Issue:4 Topics: Aged; Chromatography, High Pressure Liquid; Cysteine; Erythrocyte Indices; Female; Folic Acid; Homocysteine; Humans; Injections, Intramuscular; Male; Methionine; Methylmalonic Acid; Middle Aged; Statistics, Nonparametric; Vitamin B 12; Vitamin B 12 Deficiency	2013
A relationship between tube length and intraocular pressure after glaucoma drainage implant surgery cannot be explained by Poiseuille's law. Acta ophthalmologica, 2014, Volume: 92, Issue:1 Topics: Female; Homocysteine; Humans; Male; Methylmalonic Acid; Vitamin B 12 Deficiency	2014
Methylmalonic acid and homocysteine assessment in the detection of vitamin B12 deficiency in patients with bilateral visual loss - authors' reply. Acta ophthalmologica, 2014, Volume: 92, Issue:1 Topics: Female; Homocysteine; Humans; Male; Methylmalonic Acid; Vitamin B 12 Deficiency	2014
Role of serum holotranscobalamin (holoTC) in the diagnosis of patients with low serum cobalamin. Comparison with methylmalonic acid and homocysteine. Annals of hematology, 2014, Volume: 93, Issue:4 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2014
A relationship between tube length and intra-ocular pressure after glaucoma drainage implant surgery cannot be explained by Poiseuille's law - author's reply. Acta ophthalmologica, 2014, Volume: 92, Issue:2 Topics: Female; Homocysteine; Humans; Male; Methylmalonic Acid; Vitamin B 12 Deficiency	2014
Adult-onset eculizumab-resistant hemolytic uremic syndrome associated with cobalamin C deficiency. American journal of kidney diseases : the official journal of the National Kidney Foundation, 2014, Volume: 63, Issue:1 Topics: Adult; Amino Acid Metabolism, Inborn Errors; Antibodies, Monoclonal, Humanized; Betaine; Biopsy; Carrier Proteins; Diagnosis, Differential; Drug Resistance; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Hypertension, Malignant; Immunologic Factors; Kidney; Kidney Function Tests; Leucovorin; Lipotropic Agents; Male; Methionine; Methylmalonic Acid; Mutation; Oxidoreductases; Recurrence; Renal Dialysis; Treatment Outcome; Vitamin B 12 Deficiency; Vitamin B Complex	2014
Vitamin B12 deficiency in relation to functional disabilities. Nutrients, 2013, Nov-12, Volume: 5, Issue:11 Topics: Activities of Daily Living; Aged; Biomarkers; Cognition; Disability Evaluation; Disabled Persons; Female; Geriatric Assessment; Homocysteine; Humans; Male; Methylmalonic Acid; Odds Ratio; Peripheral Nervous System Diseases; Vitamin B 12; Vitamin B 12 Deficiency	2013
Interactions between plasma concentrations of folate and markers of vitamin B(12) status with cognitive performance in elderly people not exposed to folic acid fortification: the Hordaland Health Study. The British journal of nutrition, 2014, Mar-28, Volume: 111, Issue:6 Topics: Aged; Biomarkers; Cognition Disorders; Cross-Sectional Studies; Diet; Female; Folic Acid; Food, Fortified; Homocysteine; Humans; Male; Methylmalonic Acid; Norway; Nutritional Status; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2014
Plasma vitamin B12, methylmalonic acid and heart rate variability in healthy young Indian adults. International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 2013, Volume: 83, Issue:3 Topics: Adult; Heart Rate; Homocysteine; Humans; India; Male; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2013
Maternal vitamin B12 deficiency detected in expanded newborn screening. Clinical biochemistry, 2014, Volume: 47, Issue:18 Topics: Carnitine; Female; Folic Acid; Homocysteine; Humans; Infant, Newborn; Methylmalonic Acid; Neonatal Screening; Pregnancy; Pregnancy Complications; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2014
Relationship between cobalamin-dependent metabolites and both serum albumin and alpha1 -proteinase inhibitor concentrations in hypocobalaminemic dogs of 7 different breeds. Veterinary clinical pathology, 2014, Volume: 43, Issue:4 Topics: alpha-Macroglobulins; Animals; Biomarkers; Breeding; Dog Diseases; Dogs; Female; Homocysteine; Male; Methylmalonic Acid; Serum Albumin; Species Specificity; Vitamin B 12 Deficiency	2014
Reliable and powerful laboratory markers of cobalamin deficiency in the newborn: plasma and urinary methylmalonic acid. The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians, 2016, Volume: 29, Issue:1 Topics: Adult; Biomarkers; Cohort Studies; Female; Homocysteine; Humans; Infant, Newborn; Methylmalonic Acid; Pregnancy; Pregnancy Complications; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2016
A coumarin-based fluorescent probe as a central nervous system disease biomarker. Sensors (Basel, Switzerland), 2014, Nov-10, Volume: 14, Issue:11 Topics: Biomarkers; Biosensing Techniques; Coumarins; Fluorescent Dyes; Homocysteine; Humans; Methylmalonic Acid; Parkinson Disease; Reproducibility of Results; Sensitivity and Specificity; Spectrometry, Fluorescence	2014
Micronutrient status in female university students: iron, zinc, copper, selenium, vitamin B12 and folate. Nutrients, 2014, Nov-13, Volume: 6, Issue:11 Topics: Adolescent; Adult; Anemia, Iron-Deficiency; Australia; Biomarkers; Body Mass Index; Copper; Cross-Sectional Studies; Female; Folic Acid; Homocysteine; Humans; Iron, Dietary; Methylmalonic Acid; Micronutrients; Prevalence; Selenium; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult; Zinc	2014
Suitability of methylmalonic acid and total homocysteine analysis in dried bloodspots. Analytica chimica acta, 2015, Jan-01, Volume: 853 Topics: Blood Specimen Collection; Chromatography, High Pressure Liquid; Dried Blood Spot Testing; Feasibility Studies; Homocysteine; Humans; Limit of Detection; Methylmalonic Acid; Plasma; Reproducibility of Results; Solvents; Tandem Mass Spectrometry	2015
Functional cobalamin (vitamin B12) deficiency: role of advanced age and disorders associated with increased oxidative stress. European journal of clinical nutrition, 2015, Volume: 69, Issue:6 Topics: Aged; Aged, 80 and over; Aging; Alcohol Drinking; Connecticut; Diabetes Mellitus; Dietary Supplements; Female; Homocysteine; Humans; Injections, Intramuscular; Male; Methylmalonic Acid; Neurocognitive Disorders; Oxidative Stress; Primary Health Care; Renal Insufficiency; Retrospective Studies; Risk Factors; Smoking; Vitamin B 12; Vitamin B 12 Deficiency	2015
Serum folate, cobalamin, homocysteine and methylmalonic acid concentrations in pigs with acute, chronic or subclinical Lawsonia intracellularis infection. Veterinary journal (London, England : 1997), 2015, Volume: 203, Issue:3 Topics: Animals; Asymptomatic Infections; Desulfovibrionaceae Infections; Folic Acid; Homocysteine; Lawsonia Bacteria; Methylmalonic Acid; Swine; Swine Diseases; Vitamin B 12	2015
The influence of a whole food vegan diet with Nori algae and wild mushrooms on selected blood parameters. Clinical laboratory, 2014, Volume: 60, Issue:12 Topics: Agaricales; Biomarkers; Blood Chemical Analysis; Cholecalciferol; Creatinine; Diet, Vegetarian; Dietary Supplements; Ergocalciferols; Ferritins; Folic Acid; Hemoglobins; Homocysteine; Humans; Meat; Methylmalonic Acid; Nutrition Assessment; Nutritional Status; Porphyra; Prospective Studies; Recommended Dietary Allowances; Thyrotropin; Time Factors; Transcobalamins; Vitamin B 12; Zinc	2014
Vitamin B12-responsive neuropathies: A case series. Nutritional neuroscience, 2016, Volume: 19, Issue:4 Topics: Administration, Oral; Adult; Aged; Aged, 80 and over; Antioxidants; Biotransformation; Female; Homocysteine; Humans; Injections, Intramuscular; Male; Medical Records; Methylmalonic Acid; Middle Aged; Nervous System Diseases; Nutritional Status; Oxidative Stress; Retrospective Studies; Risk Factors; Vitamin B 12; Vitamin B 12 Deficiency	2016
Combined indicator of vitamin B12 status: modification for missing biomarkers and folate status and recommendations for revised cut-points. Clinical chemistry and laboratory medicine, 2015, Volume: 53, Issue:8 Topics: Biomarkers; Folic Acid; Healthy Volunteers; Homocysteine; Humans; Methylmalonic Acid; Transcobalamins; Vitamin B 12	2015
Comparison of four automated serum vitamin B12 assays. Clinical chemistry and laboratory medicine, 2015, Volume: 53, Issue:8 Topics: Automation; Homocysteine; Humans; Immunoassay; Methylmalonic Acid; Regression Analysis; Vitamin B 12	2015
Pitfalls in the diagnostic evaluation of subacute combined degeneration. BMJ case reports, 2015, May-14, Volume: 2015 Topics: Adult; Dietary Supplements; Homocysteine; Humans; Male; Methylmalonic Acid; Subacute Combined Degeneration; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2015
Vitamin B12 and folate levels in healthy Swiss senior citizens: a prospective study evaluating reference intervals and decision limits. BMC geriatrics, 2015, Jul-11, Volume: 15 Topics: Age Factors; Aged; Aged, 80 and over; Aging; Biomarkers; Erythrocyte Count; Female; Folic Acid; Homocysteine; Humans; Kidney Function Tests; Male; Methylmalonic Acid; Middle Aged; Prospective Studies; Reference Values; ROC Curve; Sex Factors; Switzerland; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2015
[CME - laboratory 41. Evaluating vitamin B12 status]. Praxis, 2015, Jul-22, Volume: 104, Issue:15 Topics: Clinical Laboratory Techniques; Homocysteine; Humans; Methylmalonic Acid; Reference Values; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2015
B-vitamin status and bone mineral density and risk of lumbar osteoporosis in older females in the United States. The American journal of clinical nutrition, 2015, Volume: 102, Issue:3 Topics: Absorptiometry, Photon; Aged; Biomarkers; Bone Density; Creatinine; Cross-Sectional Studies; Female; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Nutrition Surveys; Nutritional Status; Osteoporosis; Risk Factors; United States; Vitamin B Complex	2015
Low Cobalamin Levels as Predictors of Cobalamin Deficiency: Importance of Comorbidities Associated with Increased Oxidative Stress. The American journal of medicine, 2016, Volume: 129, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Comorbidity; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Oxidative Stress; Retrospective Studies; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2016
False-normal vitamin B12 results in a patient with pernicious anaemia. Clinical biochemistry, 2015, Volume: 48, Issue:18 Topics: Anemia, Pernicious; Diagnostic Errors; False Positive Reactions; Female; Homocysteine; Humans; Immunoassay; Methylmalonic Acid; Middle Aged; Vitamin B 12	2015
Biochemical Identification of Vitamin B12 Deficiency in a Medical Office. Clinical laboratory, 2015, Volume: 61, Issue:7 Topics: Ambulatory Care; Area Under Curve; Biomarkers; Cross-Sectional Studies; Early Diagnosis; Homocysteine; Humans; Immunoassay; Luminescent Measurements; Male; Methylmalonic Acid; Middle Aged; Office Visits; Predictive Value of Tests; ROC Curve; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2015
Nutritional Supplementation with Chlorella pyrenoidosa Lowers Serum Methylmalonic Acid in Vegans and Vegetarians with a Suspected Vitamin B₁₂ Deficiency. Journal of medicinal food, 2015, Volume: 18, Issue:12 Topics: Adult; Biological Availability; Chlorella; Diet, Vegan; Diet, Vegetarian; Dietary Supplements; Hematocrit; Hemoglobins; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Vegans; Vegetarians; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2015
Laughing Gas in a Pediatric Emergency Department-Fun for All Participants: Vitamin B12 Status Among Medical Staff Working With Nitrous Oxide. Pediatric emergency care, 2016, Volume: 32, Issue:12 Topics: Adult; Anesthetics, Inhalation; Case-Control Studies; Cross-Sectional Studies; Emergency Service, Hospital; Female; Homocysteine; Humans; Male; Medical Staff; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Nitrous Oxide; Occupational Diseases; Occupational Exposure; Polymorphism, Single Nucleotide; Vitamin B 12; Vitamin B 12 Deficiency	2016
Evaluation of oxidant and antioxidant status in patients with vitamin B12 deficiency. Turkish journal of medical sciences, 2015, Volume: 45, Issue:6 Topics: Adult; Aged; Aged, 80 and over; Antioxidants; Case-Control Studies; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Oxidants; Oxidative Stress; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex; Young Adult	2015
Methylmalonic Acid and Homocysteine as Indicators of Vitamin B-12 Deficiency in Cancer. PloS one, 2016, Volume: 11, Issue:1 Topics: Adult; Aged; Aged, 80 and over; Biomarkers; Cross-Sectional Studies; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Neoplasms; Prevalence; Vitamin B 12 Deficiency; Young Adult	2016
Low Serum Vitamin B-12 Concentrations Are Prevalent in a Cohort of Pregnant Canadian Women. The Journal of nutrition, 2016, Volume: 146, Issue:5 Topics: Adult; Canada; Diet; Dietary Supplements; DNA Methylation; Female; Fetal Blood; Fetus; Folic Acid; Homocysteine; Humans; Infant, Newborn; Methylmalonic Acid; Polymorphism, Genetic; Pregnancy; Pregnancy Complications; Prevalence; Prospective Studies; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2016
Nutritional Intake and Status of Cobalamin and Folate among Non-Pregnant Women of Reproductive Age in Bhaktapur, Nepal. Nutrients, 2016, Jun-22, Volume: 8, Issue:6 Topics: Adolescent; Adult; Body Mass Index; Body Weight; Cross-Sectional Studies; Energy Intake; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Linear Models; Methylmalonic Acid; Nepal; Nutritional Status; Prevalence; Socioeconomic Factors; Surveys and Questionnaires; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2016
Associations of Milk Consumption and Vitamin B₂ and Β Nutrients, 2016, Oct-13, Volume: 8, Issue:10 Topics: Adolescent; Animals; Anthropometry; Calcium, Dietary; Child; Child Development; Child Nutritional Physiological Phenomena; Cross-Sectional Studies; Diet; Female; Greece; Homocysteine; Humans; Male; Methylmalonic Acid; Milk; Physical Endurance; Physical Fitness; Regression Analysis; Riboflavin; Vitamin B 12; Zinc	2016
A Prospective Study on Serum Methylmalonic Acid and Homocysteine in Pregnant Women. Nutrients, 2016, Dec-08, Volume: 8, Issue:12 Topics: Adult; Female; Homocysteine; Humans; Infant, Newborn; Methylmalonic Acid; Middle Aged; Pregnancy; Pregnancy Outcome; Prospective Studies; Republic of Korea; Young Adult	2016
Rapid healing of a patient with dramatic subacute combined degeneration of spinal cord: a case report. BMC research notes, 2017, Jan-03, Volume: 10, Issue:1 Topics: Antibodies; Gastrins; Gastroscopy; Homocysteine; Humans; Inflammation; Male; Methylmalonic Acid; Middle Aged; Parietal Cells, Gastric; Spinal Cord; Subacute Combined Degeneration; Transcobalamins; Vitamin B 12 Deficiency	2017
Efficacy of early treatment in patients with cobalamin C disease identified by newborn screening: a 16-year experience. Genetics in medicine : official journal of the American College of Medical Genetics, 2017, Volume: 19, Issue:8 Topics: Cohort Studies; Dietary Proteins; Female; Homocysteine; Humans; Infant; Infant, Newborn; Longitudinal Studies; Male; Methionine; Methylmalonic Acid; Neonatal Screening; Neurocognitive Disorders; Retrospective Studies; Secondary Prevention; Vitamin B 12 Deficiency	2017
Vitamin B-12 status in infancy is positively associated with development and cognitive functioning 5 y later in Nepalese children. The American journal of clinical nutrition, 2017, Volume: 105, Issue:5 Topics: Adult; Asia; Child Development; Cognition; Cognitive Dysfunction; Female; Homocysteine; Humans; Infant; Male; Methylmalonic Acid; Nepal; Neurodevelopmental Disorders; Neuropsychological Tests; Nutritional Status; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2017
An Adolescent with Increased Plasma Methylmalonic Acid and Total Homocysteine. Clinical chemistry, 2017, Volume: 63, Issue:6 Topics: Adolescent; Homocysteine; Humans; Male; Methylmalonic Acid	2017
Commentary. Clinical chemistry, 2017, Volume: 63, Issue:6 Topics: Adolescent; Homocysteine; Humans; Methylmalonic Acid	2017
Commentary. Clinical chemistry, 2017, Volume: 63, Issue:6 Topics: Adolescent; Homocysteine; Humans; Methylmalonic Acid	2017
A Black Cohosh Extract Causes Hematologic and Biochemical Changes Consistent with a Functional Cobalamin Deficiency in Female B6C3F1/N Mice. Toxicologic pathology, 2017, Volume: 45, Issue:5 Topics: Anemia, Megaloblastic; Animals; Body Weight; Cimicifuga; Female; Folic Acid; Homocysteine; Kidney; Liver; Methylmalonic Acid; Mice; Plant Extracts; Tetrahydrofolate Dehydrogenase; Vitamin B 12; Vitamin B 12 Deficiency	2017
Serum methylmalonic acid correlates with neuropathic pain in idiopathic Parkinson's disease. Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology, 2017, Volume: 38, Issue:10 Topics: Aged; Antiparkinson Agents; Biomarkers; Cross-Sectional Studies; Female; Homocysteine; Humans; Levodopa; Male; Methylmalonic Acid; Middle Aged; Neural Conduction; Neuralgia; Pain Measurement; Parkinson Disease; Prevalence; Severity of Illness Index; Vitamin B 12	2017
Folate and vitamin B12 status is associated with insulin resistance and metabolic syndrome in morbid obesity. Clinical nutrition (Edinburgh, Scotland), 2018, Volume: 37, Issue:5 Topics: Adult; Body Mass Index; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Insulin Resistance; Male; Metabolic Syndrome; Methylmalonic Acid; Middle Aged; Obesity, Morbid; Vitamin B 12; Vitamin B 12 Deficiency	2018
Early changes in vitamin B12 uptake and biomarker status following Roux-en-Y gastric bypass and sleeve gastrectomy. Clinical nutrition (Edinburgh, Scotland), 2019, Volume: 38, Issue:2 Topics: Adult; Aged; Avitaminosis; Biomarkers; Female; Gastrectomy; Gastric Bypass; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Obesity, Morbid; Postoperative Complications; Prospective Studies; Transcobalamins; Vitamin B 12	2019
Early pregnancy folate-cobalamin interactions and their effects on cobalamin status and hematologic variables throughout pregnancy. The American journal of clinical nutrition, 2018, 02-01, Volume: 107, Issue:2 Topics: Adult; Anemia, Iron-Deficiency; Body Mass Index; Dietary Supplements; Female; Folic Acid; Homocysteine; Humans; Iron, Dietary; Longitudinal Studies; Methylmalonic Acid; Pregnancy; Pregnancy Outcome; Pregnancy Trimester, First; Prevalence; Socioeconomic Factors; Vitamin B 12	2018
Maternal and infant vitamin B12 status during infancy predict linear growth at 5 years. Pediatric research, 2018, Volume: 84, Issue:5 Topics: Adolescent; Adult; Breast Feeding; Child, Preschool; Diet; Female; Folic Acid; Growth; Homocysteine; Humans; Infant; Lactation; Limit of Detection; Male; Methylmalonic Acid; Middle Aged; Nepal; Random Allocation; Vitamin B 12; Young Adult	2018
Newborn screening for homocystinurias: Recent recommendations versus current practice. Journal of inherited metabolic disease, 2019, Volume: 42, Issue:1 Topics: Acetylcarnitine; Amino Acid Metabolism, Inborn Errors; Carnitine; Female; Glycine N-Methyltransferase; Homocysteine; Homocystinuria; Humans; Infant, Newborn; Male; Methionine; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Muscle Spasticity; Neonatal Screening; Phenylalanine; Psychotic Disorders	2019
Methylmalonic Acid and Homocysteine as Indicators of Vitamin B12 Deficiency in Patients with Gastric Cancer after Gastrectomy. Nutrients, 2019, Feb-21, Volume: 11, Issue:2 Topics: Adult; Aged; Biomarkers; Female; Gastrectomy; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Postoperative Complications; Retrospective Studies; Stomach Neoplasms; Vitamin B 12; Vitamin B 12 Deficiency	2019
Homocysteine Metabolism in Children and Adolescents: Influence of Age on Plasma Biomarkers and Correspondent Genotype Interactions. Nutrients, 2019, Mar-16, Volume: 11, Issue:3 Topics: Adolescent; Age Factors; Biomarkers; Child; Female; Folic Acid; Genotype; Homocysteine; Humans; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Polymerase Chain Reaction; Polymorphism, Restriction Fragment Length; Vitamin B 12; Vitamin B Complex	2019
Week-to-week biological variation of methylmalonic acid and homocysteine in healthy women. Scandinavian journal of clinical and laboratory investigation, 2019, Volume: 79, Issue:4 Topics: Adult; Biological Variation, Individual; Female; Health; Homocysteine; Humans; Methylmalonic Acid; Middle Aged	2019
Investigating vitamin B12 deficiency. BMJ (Clinical research ed.), 2019, May-10, Volume: 365 Topics: Adult; Aged; Biomarkers; Female; Folic Acid; Health Surveys; Homocysteine; Humans; Infant; Malabsorption Syndromes; Male; Malnutrition; Methylmalonic Acid; Physical Examination; Practice Guidelines as Topic; Pregnancy; Referral and Consultation; Risk Factors; United Kingdom; Vitamin B 12; Vitamin B 12 Deficiency; Vulnerable Populations	2019
A genetic epidemiological study in British adults and older adults shows a high heritability of the combined indicator of vitamin B The Journal of nutritional biochemistry, 2019, Volume: 70 Topics: Adult; Aged; Aged, 80 and over; Alkyl and Aryl Transferases; Biomarkers; Energy Metabolism; Female; Ferredoxin-NADP Reductase; Genome-Wide Association Study; Homocysteine; Humans; Male; Metabolism, Inborn Errors; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Middle Aged; Mitochondria; Molecular Epidemiology; Polymorphism, Single Nucleotide; Thiolester Hydrolases; Transcobalamins; Valine; Vitamin B 12	2019
Serum Vitamin B12 and Methylmalonic Acid Status in Migraineurs: A Case-Control Study. Headache, 2019, Volume: 59, Issue:9 Topics: Adolescent; Adult; Anthropometry; Case-Control Studies; Cost of Illness; Disease Progression; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Migraine Disorders; Nutritional Status; Pain Measurement; Social Class; Vitamin B 12; Young Adult	2019
Isolated subacute combined degeneration in late-onset cobalamin C deficiency in children: Two case reports and literature review. Medicine, 2019, Volume: 98, Issue:39 Topics: Adolescent; Ataxia; Brain; Carrier Proteins; Child; Female; Homocysteine; Homocystinuria; Humans; Injections, Intravenous; Late Onset Disorders; Magnetic Resonance Imaging; Male; Methylmalonic Acid; Mutation; Oxidoreductases; Subacute Combined Degeneration; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex	2019
Assessment of cellular cobalamin metabolism in Gaucher disease. BMC medical genetics, 2020, 01-13, Volume: 21, Issue:1 Topics: beta-Glucosidase; Cell Culture Techniques; Female; Fibroblasts; Gaucher Disease; Glucosylceramidase; Homocysteine; Humans; Lysosomes; Male; Methylmalonic Acid; Mutation; Phenotype; Saposins; Transcobalamins; Vitamin B 12	2020
Normal serum cobalamin levels do not exclude the diagnosis of pernicious anaemia: a case report. Family practice, 2020, 02-19, Volume: 37, Issue:1 Topics: Anemia, Pernicious; Female; Folic Acid Deficiency; Gastritis, Atrophic; Homocysteine; Humans; Hydroxocobalamin; Methylmalonic Acid; Middle Aged; Tetrahydrofolates; Vitamin B 12; Vitamin B Complex	2020
Diagnostic Accuracy of Holotranscobalamin, Vitamin B12, Methylmalonic Acid, and Homocysteine in Detecting B12 Deficiency in a Large, Mixed Patient Population. Disease markers, 2020, Volume: 2020 Topics: Adult; Aged; Biomarkers; Cohort Studies; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Retrospective Studies; ROC Curve; Sensitivity and Specificity; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2020
Assessment of folate and cobalamin concentrations in relation to their dependent intracellular metabolites in serum of pigs between 6 and 26 weeks of age. Research in veterinary science, 2020, Volume: 130 Topics: Animals; Cytoplasm; Folic Acid; Homocysteine; Methylmalonic Acid; Serum; Sus scrofa; Vitamin B 12	2020
Functional vitamin B12 deficiency in phenylketonuria patients and healthy controls: An evaluation with combined indicator of vitamin B12 status as a biochemical index. Annals of clinical biochemistry, 2020, Volume: 57, Issue:4 Topics: Adolescent; Biomarkers; Case-Control Studies; Child; Child, Preschool; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Phenylketonurias; Vitamin B 12; Vitamin B 12 Deficiency	2020
Determination of methylmalonic acid, 2-methylcitric acid, and total homocysteine in dried blood spots by liquid chromatography-tandem mass spectrometry: A reliable follow-up method for propionylcarnitine-related disorders in newborn screening. Journal of medical screening, 2021, Volume: 28, Issue:2 Topics: Carnitine; Chromatography, Liquid; Citrates; Follow-Up Studies; Homocysteine; Humans; Infant; Infant, Newborn; Methylmalonic Acid; Neonatal Screening; Prospective Studies; Retrospective Studies; Tandem Mass Spectrometry	2021
Proteinuria as a presenting sign of combined methylmalonic acidemia and homocysteinemia: case report. BMC medical genetics, 2020, 09-21, Volume: 21, Issue:1 Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Amino Acids; Base Sequence; Carnitine; Child, Preschool; DNA; Gas Chromatography-Mass Spectrometry; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Proteinuria	2020
Diagnostic Characteristics of 3-Parameter and 2-Parameter Equations for the Calculation of a Combined Indicator of Vitamin B12 Status to Predict Cobalamin Deficiency in a Large Mixed Patient Population. Clinical laboratory, 2020, Oct-01, Volume: 66, Issue:10 Topics: Biomarkers; Homocysteine; Humans; Methylmalonic Acid; ROC Curve; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2020
Test utilization for the diagnosis of vitamin B12 and folate deficiency in local clinics in Korea. Journal of clinical laboratory analysis, 2020, Volume: 34, Issue:11 Topics: Adult; Anemia, Macrocytic; Blood Chemical Analysis; Erythrocyte Indices; Folic Acid; Folic Acid Deficiency; Hematologic Tests; Homocysteine; Humans; Methylmalonic Acid; Republic of Korea; Retrospective Studies; Vitamin B 12; Vitamin B 12 Deficiency	2020
The relationship between exacerbated diabetic peripheral neuropathy and metformin treatment in type 2 diabetes mellitus. Scientific reports, 2021, 01-21, Volume: 11, Issue:1 Topics: Diabetes Mellitus, Type 2; Diabetic Neuropathies; Female; Homocysteine; Humans; Male; Metformin; Methylmalonic Acid; Middle Aged; Peripheral Nervous System Diseases; Risk Factors; Vitamin B 12	2021
A high frequency and geographical distribution of MMACHC R132* mutation in children with cobalamin C defect. Amino acids, 2021, Volume: 53, Issue:2 Topics: Adolescent; Child; Child, Preschool; Exons; Female; Homocysteine; Humans; India; Infant; Infant, Newborn; Male; Methylmalonic Acid; Oxidoreductases; Point Mutation; Vitamin B 12; Vitamin B 12 Deficiency	2021
Cross-sectional association between vitamin B12 status and probable postpartum depression in Indian women. BMC pregnancy and childbirth, 2021, Feb-17, Volume: 21, Issue:1 Topics: Adolescent; Adult; Cesarean Section; Cross-Sectional Studies; Depression, Postpartum; Diet; Female; Homocysteine; Humans; India; Methylmalonic Acid; Pregnancy; Pregnancy, Unplanned; Risk Factors; S-Adenosylmethionine; Serotonin; Social Class; Tetrahydrofolates; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult	2021
Value of amniotic fluid homocysteine assay in prenatal diagnosis of combined methylmalonic acidemia and homocystinuria, cobalamin C type. Orphanet journal of rare diseases, 2021, 03-10, Volume: 16, Issue:1 Topics: Amino Acid Metabolism, Inborn Errors; Amniotic Fluid; Female; Homocysteine; Homocystinuria; Humans; Methylmalonic Acid; Oxidoreductases; Pregnancy; Prenatal Diagnosis; Reproducibility of Results; Retrospective Studies; Vitamin B 12	2021
Cardiovascular manifestations of intermediate and major hyperhomocysteinemia due to vitamin B12 and folate deficiency and/or inherited disorders of one-carbon metabolism: a 3.5-year retrospective cross-sectional study of consecutive patients. The American journal of clinical nutrition, 2021, 05-08, Volume: 113, Issue:5 Topics: Adult; Cardiovascular Diseases; Child, Preschool; Cross-Sectional Studies; Female; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Hyperhomocysteinemia; Male; Metabolism, Inborn Errors; Methylmalonic Acid; Middle Aged; Retrospective Studies; Vitamin B 12	2021
Implementation of second-tier tests in newborn screening for the detection of vitamin B Orphanet journal of rare diseases, 2021, 04-30, Volume: 16, Issue:1 Topics: Homocysteine; Humans; Infant, Newborn; Methylmalonic Acid; Neonatal Screening; Propionic Acidemia; Vitamin B 12; Vitamin B 12 Deficiency; Vitamins	2021
The marker of cobalamin deficiency, plasma methylmalonic acid, may help identifying lysosomal iron trapping in patients. Its possible utility for heart failure. Redox biology, 2021, Volume: 44 Topics: Heart Failure; Homocysteine; Humans; Iron; Lysosomes; Methylmalonic Acid; Vitamin B 12	2021
Absence of MMACHC in peripheral retinal cells does not lead to an ocular phenotype in mice. Biochimica et biophysica acta. Molecular basis of disease, 2021, 10-01, Volume: 1867, Issue:10 Topics: Adolescent; Adult; Aged; Aged, 80 and over; Amino Acid Metabolism, Inborn Errors; Animals; Female; Homocysteine; Homocystinuria; Humans; Male; Methylmalonic Acid; Mice; Mice, Inbred BALB C; Mice, Inbred C57BL; Mice, Transgenic; Middle Aged; Mutation; Oxidoreductases; Phenotype; Retina; Retinal Degeneration; Vitamin B 12; Young Adult	2021
Clinical relevance of testing for metabolic vitamin B12 deficiency in patients with polyneuropathy. Nutritional neuroscience, 2022, Volume: 25, Issue:12 Topics: Homocysteine; Humans; Methylmalonic Acid; Polyneuropathies; Retrospective Studies; Vitamin B 12; Vitamin B 12 Deficiency	2022
The roles of homocysteinemia and methylmalonic acidemia in kidney injury in atypical hemolytic uremic syndrome caused by cobalamin C deficiency. Pediatric nephrology (Berlin, Germany), 2022, Volume: 37, Issue:6 Topics: Acute Kidney Injury; Amino Acid Metabolism, Inborn Errors; Atypical Hemolytic Uremic Syndrome; Female; Homocysteine; Humans; Hyperhomocysteinemia; Infant, Newborn; Kidney; Methylmalonic Acid; Oxidoreductases; Thrombotic Microangiopathies; Vitamin B 12; Vitamin B 12 Deficiency	2022
Vitamin B Acta clinica Belgica, 2022, Volume: 77, Issue:6 Topics: Creatinine; Homocysteine; Humans; Methylmalonic Acid; Nitrous Oxide; Vitamin B 12; Vitamin B 12 Deficiency; Vitamins	2022
Reference intervals for plasma vitamin B12 and plasma/serum methylmalonic acid in Danish children, adults and elderly. Clinica chimica acta; international journal of clinical chemistry, 2022, Jan-15, Volume: 525 Topics: Adult; Aged; Child; Denmark; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency	2022
Does Metformin Treatment in Pediatric Population Cause Vitamin B12 Deficiency? Klinische Padiatrie, 2022, Volume: 234, Issue:4 Topics: Adolescent; Child; Diabetes Mellitus, Type 2; Female; Homocysteine; Humans; Male; Metabolic Syndrome; Metformin; Methylmalonic Acid; Prospective Studies; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency	2022
Vitamin B-12 malabsorption and renal function are critical considerations in studies of folate and vitamin B-12 interactions in cognitive performance: NHANES 2011-2014. The American journal of clinical nutrition, 2022, 07-06, Volume: 116, Issue:1 Topics: Aged; Cognition; Dietary Supplements; Folic Acid; Homocysteine; Humans; Kidney; Methylmalonic Acid; Nutrition Surveys; Vitamin B 12; Vitamin B 12 Deficiency; Vitamins	2022
Pregnancy homocysteine and cobalamin status predict childhood metabolic health in the offspring. Pediatric research, 2023, Volume: 93, Issue:3 Topics: Birth Weight; Child; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Pregnancy; Prospective Studies; Vitamin B 12; Vitamin B 12 Deficiency	2023
Nitrous oxide in labour predicted newborn screening total homocysteine and is a potential risk factor for infant vitamin B12 deficiency. Acta paediatrica (Oslo, Norway : 1992), 2022, Volume: 111, Issue:12 Topics: Case-Control Studies; Homocysteine; Humans; Infant; Infant, Newborn; Methylmalonic Acid; Neonatal Screening; Nitrous Oxide; Risk Factors; Vitamin B 12; Vitamin B 12 Deficiency	2022
Clinical characteristics and genotype analysis of five infants with cblX type of methylmalonic acidemia. Zhejiang da xue xue bao. Yi xue ban = Journal of Zhejiang University. Medical sciences, 2022, Jun-25, Volume: 51, Issue:3 Topics: Acetylcarnitine; Amino Acid Metabolism, Inborn Errors; China; Drug Resistant Epilepsy; Female; Genotype; Homocysteine; Host Cell Factor C1; Humans; Infant; Infant, Newborn; Male; Methylmalonic Acid; Vitamin B 12	2022
Simultaneous estimation of total homocysteine and methylmalonic-acid using LC-MS/MS: Clinical application in adult and pediatric. Analytical biochemistry, 2022, 12-15, Volume: 659 Topics: Adult; Biomarkers; Child; Chromatography, Liquid; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Pediatrics; Tandem Mass Spectrometry; Vitamin B 12	2022
Acquired Vitamin B12 Deficiency in Newborns: Positive Impact on Newborn Health through Early Detection. Nutrients, 2022, Oct-20, Volume: 14, Issue:20 Topics: Biomarkers; Early Diagnosis; Female; Homocysteine; Humans; Hydroxocobalamin; Infant; Infant Health; Infant, Newborn; Male; Methylmalonic Acid; Pregnancy; Vitamin B 12; Vitamin B 12 Deficiency	2022
The association between methylmalonic acid, a biomarker of mitochondria dysfunction, and phenotypic age acceleration: A population-based study. Archives of gerontology and geriatrics, 2024, Volume: 117 Topics: Aged; Biomarkers; Cross-Sectional Studies; Female; Homocysteine; Humans; Male; Methylmalonic Acid; Nutrition Surveys; Vitamin B 12; Vitamin B 12 Deficiency	2024