methylmalonic acid has been researched along with folic acid in 232 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 11 (4.74) | 18.7374 |
| 1990's | 32 (13.79) | 18.2507 |
| 2000's | 101 (43.53) | 29.6817 |
| 2010's | 72 (31.03) | 24.3611 |
| 2020's | 16 (6.90) | 2.80 |
| Authors | Studies |
|---|---|
| Carmel, R | 3 |
| Shojania, AM; Wylie, B | 1 |
| Batra, KK; Stokstad, EL; Watson, JE | 1 |
| Rosenberg, LE | 1 |
| Woolf, LI | 1 |
| Dayan, AD; Siddons, RC; Spence, JA | 1 |
| Chanarin, I; Deacon, R; Lumb, M; Perry, J | 1 |
| Allen, RH; Brass, EP; Marcell, PD; Stabler, SP | 1 |
| Sakamoto, S | 1 |
| Allen, RH; Lindenbaum, J; Savage, DG; Stabler, SP | 3 |
| Keating, JN; Kusano, G; Stokstad, EL | 1 |
| Nair, CP; Stokstad, EL | 1 |
| Allen, RH; Lindenbaum, J; Marcell, PD; Podell, ER; Stabler, SP | 1 |
| Bartlett, K | 1 |
| Adams, MJ; Cheek, JE; Haddow, JE; Henry, JP; Khoury, MJ; Knight, GJ; Scanlon, KS; Stabler, SP; Stevenson, RE; Sylvester, GC | 1 |
| Allen, RH; Joosten, E; Lindenbaum, J; Naurath, HJ; Riezler, R; Stabler, SP | 1 |
| Conley, MR; Kirke, PN; Lee, YJ; McPartlin, JM; Mills, JL; Scott, JM; Weir, DG | 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 |
| Feussner, JR; Matchar, DB; McCrory, DC; Millington, DS | 1 |
| Christensen, JE; Gulmann, NC; Kristensen, MO; Ostergaard, K; Rasmussen, K | 1 |
| Guttormsen, AB; Refsum, H; Schneede, J; Ueland, PM | 1 |
| Dybkjaer, L; Lyngbak, M; Møller, J; Pedersen, AM; Rasmussen, K | 1 |
| Adjalla, C; Belleville, F; Benhayoun, S; Felden, F; Gaucher, P; Gelot, MA; Gerard, P; Guéant, JL; Lambert, D; Nicolas, JP; Renkes, P | 1 |
| Allen, RH; Baumgartner, RN; Garry, PJ; Koehler, KM; Liang, HC; Pareo-Tubbeh, SL; Romero, LJ; Stabler, SP; Stauber, PM | 1 |
| Leeming, RJ | 1 |
| Joosten, E; Lesaffre, E; Riezler, R | 1 |
| Bjerve, KS; Carlsen, SM; Følling, I; Grill, V; Refsum, H; Schneede, J | 1 |
| Cicchetti, G; Marín, GH; Tentoni, J | 1 |
| Gearhart, JP; Jeffs, RD; Kalloo, NB | 1 |
| Gérard, M; Ogier de Baulny, H; Saudubray, JM; Zittoun, J | 1 |
| Allen, RH; Lindenbaum, J; Stabler, SP | 1 |
| Allen, RH; Del Giacco, EJ; Kuzminski, AM; Lindenbaum, J; Stabler, SP | 1 |
| Azen, C; Carmel, R; Green, R; Howard, JM; Jacobsen, DW | 1 |
| Hølleland, G; Lund, PK; Refsum, H; Sandberg, S; Schneede, J; Ueland, PM | 1 |
| Ambrosch, A; Dierkes, J; Domröse, U; Guttormsen, AB; Luley, C; Neumann, KH; Schneede, J | 1 |
| Björkegren, K; Svärdsudd, K | 5 |
| Azen, C; Carmel, R; Florea, M; Green, R; Jacobsen, DW; Rasmussen, K | 1 |
| Dehlin, O; Hagberg, B; Hultberg, B; Jensen, E; Samuelsson, G; Svensson, T | 1 |
| Gustafson, L; Hultberg, B; Nilsson, K | 2 |
| Allen, RH; Lindenbaum, J; Ogundipe, A; Savage, DG; Stabler, SP | 1 |
| Klee, GG | 1 |
| Bie, RB; Bolann, BJ; Grøttum, KA; Loraas, A; Refsum, H; Schjøth, A; Schneede, J; Solli, JD; Stallemo, A; Stokkeland, M; Ueland, PM | 1 |
| Bodis, M; Geisel, J; Herrmann, W; Knapp, JP; Müller, A; Schorr, H; Stein, G | 1 |
| Allen, RH; Baumgartner, RN; Garry, PJ; Koehler, KM; Rimm, EB; Stabler, SP | 1 |
| Gadkari, M; Guttormsen, AB; Joglekar, A; Orning, L; Refsum, H; Sayyad, MG; Schneede, J; Ueland, PM; Ulvik, A; Vollset, SE; Yajnik, CS | 1 |
| Bodis, M; Geisel, J; Herrmann, W; Hübner, U; Knapp, JP; Schorr, H; Zimbelmann, I | 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 |
| Bjørke Monsen, AL; Ueland, PM | 2 |
| Bond, CM; Golden, MH; Rydlewicz, A; Simpson, JA; Taylor, RJ | 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 |
| Abd-el-Gawa, G; Abrahamsson, K; Hanson, E; Hjälmås, K; Norlén, L | 1 |
| Elian, KM; Hoffer, LJ | 2 |
| Ellegaard, J; Hvas, AM; Lous, J; Nexø, E | 1 |
| Cheng, G; Kwok, T; Lai, WK; Pang, CP; Woo, J | 1 |
| Bodamer, OA; Smith, DL | 1 |
| Jacques, PF; Morris, MS; Rosenberg, IH; Selhub, J | 3 |
| Herrmann, W; Jouma, M; Obeid, R | 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; Green, R; Miller, JW; Rogers, LM; Sabel, JC | 1 |
| Allen, R; Bunn, PA; Calvert, AH; Hanauske, AR; Niyikiza, C; Paoletti, P; Rusthoven, JJ | 1 |
| Arnadottir, M; Hultberg, B | 1 |
| Gustafson, L; Hultberg, B; Isaksson, A; Nilsson, K | 1 |
| Birks, J; Clarke, R; Evans, JG; Johnston, C; McPartlin, J; Nexo, E; Refsum, H; Schneede, J; Scott, JM; Sherliker, P; Ueland, PM | 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 |
| Geisel, J; Herrmann, W; Obeid, R; Schorr, H | 2 |
| COX, EV; WHITE, AM | 1 |
| Borch, K; Marcusson, J; Mårdh, E; Mårdh, S; Nägga, K; Rajani, R | 1 |
| Lewerin, C; Lindstedt, G; Matousek, M; Nilsson-Ehle, H; Steen, B | 1 |
| Kjaerstad, SI; Schneede, J; Ueland, PM | 1 |
| 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 |
| Hahn, A; Hermann, S; Wolters, M | 1 |
| Liu, W; Luo, X; Ning, Q; Wang, M; Wei, H; Zhang, L | 1 |
| Cheng, G; Kwok, T; Lai, WK; Pang, CP; Poon, P; Woo, J | 1 |
| 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 |
| Girard, CL; Matte, JJ | 1 |
| Cole, DE; Ray, JG | 1 |
| Fowler, B; Herrmann, W; Kuhlmann, MK; Makowski, J; Obeid, R; Schorr, H | 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 |
| Jacques, PF; Morris, MS; Selhub, J | 2 |
| Caudill, SP; Gunter, EW; Osterloh, J; Pfeiffer, CM; Sampson, EJ | 1 |
| Henriksen, TB; Møller, J; Møller, UK; Nexø, E; Ramlau-Hansen, CH | 1 |
| Herrmann, M; Herrmann, W; Kindermann, W; Obeid, R; Scharhag, J | 1 |
| 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 |
| Ellis, R; Hudson, P; McCaddon, A; McCracken, C | 1 |
| Becker, G; Fassbender, K; Herrmann, W; Kasoha, M; Knapp, JP; Kostopoulos, P; Obeid, R | 1 |
| Lewerin, C; Ljungman, S; Nilsson-Ehle, H | 1 |
| Baer, DJ; Clevidence, BA; Ettinger, S; Hartman, TJ; Johnson, L; Mahabir, S; Taylor, PR | 1 |
| Allen, RH; Barbosa, PR; Braga, RC; Guerra-Shinohara, EM; Hirata, MH; Hirata, RD; Machado, AL; Sampaio-Neto, LF; Stabler, SP | 1 |
| Bergholt, T; Byg, KE; Eriksen, L; Hvas, AM; Milman, N | 1 |
| Guo, F; Jia, Z; Wang, R; Zhang, W; Zhu, X | 1 |
| Blom, HJ; de Groot, LC; Eussen, SJ; Hiddink, GJ; Hoefnagels, WH; Schneede, J; Ueland, PM; van Staveren, WA | 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 |
| Clarke, SJ; Li, KM; Rivory, LP | 1 |
| Bahl, R; Bhan, MK; Bhandari, N; Refsum, H; Schneede, J; Sommerfelt, H; Strand, TA; Taneja, S; 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 |
| Chhichhia, P; Hinckson, E; Nabiryo, C; Rush, EC | 1 |
| Quinlivan, EP | 1 |
| Schneede, J; Ueland, PM | 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 |
| 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 |
| Cole, DE; Ray, JG; Thompson, MD | 1 |
| Evans, DA; Morris, MC; Tang, Y; Tangney, CC | 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 |
| Allen, LH; Garrod, MG; Green, R; Haan, MN; Miller, JW | 1 |
| Diaz, GA; Kirmse, B; Profitlich, LE; Srivastava, S; Wasserstein, MP | 1 |
| Allen, RH; Crossey, MJ; Glew, RH; Kellywood, J; Obande, OS; Patel, A; Stabler, SP; Ujah, IA; Vanderjagt, 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 |
| Allen, RH; Arking, DE; Bandeen-Roche, K; Chakravarti, A; Fallin, MD; Fried, LP; Matteini, AM; Stabler, SP; Walston, JD | 1 |
| Bellevue, R; Carmel, R; Kelman, Z | 1 |
| Bailey, RL; Betz, JM; Dodd, KW; Dwyer, JT; Gahche, JJ; Mills, JL; Pfeiffer, CM; Picciano, MF; Sempos, CT; Yetley, EA | 1 |
| Bötzel, K; Giese, A; Levin, J; Lorenzl, S; Vogeser, M | 1 |
| Bross, MH; Smith-Knuppel, T; Soch, K | 1 |
| Bailey, LB; Berry, RJ; Carriquiry, AL; Cogswell, ME; Pfeiffer, CM; Yeung, LF | 1 |
| El-Saden, S; Hathout, L | 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 |
| Gallagher, CM; Meliker, JR | 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 |
| Coates, PM; Johnson, CL; Yetley, EA | 1 |
| Johnson, CL; Yetley, EA | 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 |
| Allen, RH; Davey, A; Haslam, A; Hausman, DB; Johnson, MA; Poon, LW; Stabler, SP | 1 |
| Gallagher, CM; Meliker, JR; Smith, DM | 1 |
| Kurpad, AV; Shetty, P; Shobha, V; Singh, RG; Srinivasan, K; Tarey, SD; Unni, US | 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 |
| Biselli, JM; Carvalho, VM; Cordeiro, JA; Goloni-Bertollo, EM; Pavarino, EC; Vannucchi, H; Zampieri, BL | 1 |
| Eckert, R; Geisel, J; Herrmann, W; Kirsch, SH; Obeid, R | 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 |
| 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 |
| 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 |
| Solomon, LR | 1 |
| Mansoor, MA; Reine, A; Schneede, J; Stea, TH | 1 |
| Bjørke-Monsen, AL; Markestad, T; Torsvik, I; Ueland, PM | 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 |
| 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 |
| Fayet-Moore, F; Petocz, P; Samman, S | 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 |
| 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 |
| 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 |
| Björkqvist, HG; Carlsson, GU; Gustavsson, BG; Kurlberg, GK; Odin, EA; Stoffregen, CC; Tångefjord, MT | 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 |
| Linden, T; Pascoe, MC | 1 |
| Bodis, M; Geisel, J; Herrmann, M; Herrmann, W; Hübner, U; Kirsch, SH; Laufs, U; Pusceddu, I; Wagenpfeil, S; Werner, C; Widmann, T | 1 |
| Beise, U; Burkart, A; Huber, F | 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 |
| Blystone, C; Brar, SS; Cora, MC; Gwinn, W; King, D; Kissling, GE; Olivera, D; Travlos, G; Waidyanatha, S; Wilson, R | 1 |
| Baig, M; Kapoor, A; Karmani, H; Memon, AS; Tunio, SA | 1 |
| Brunaud, L; Gueant, JL; Gueant-Rodriguez, RM; Li, Z; Meyre, D; Quilliot, D; Sirveaux, MA | 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 |
| Bastiaans, K; Dhillon, VS; Fenech, M; Herreen, D; Zajac, IT | 1 |
| Ashrani, AA; Begna, KH; DeLoughery, EP; Go, RS; Hook, CC; Marshall, AL; Pruthi, RK; Ravindran, A; Wolanskyj-Spinner, AP | 1 |
| Caldeira-Araújo, H; Castro, R; Florindo, C; Ramos, R; Rivera, I; Tavares de Almeida, I | 1 |
| Saravanan, P; Sukumar, N | 1 |
| Bhatia, P; Chaudhary, H; Sankhyan, N; Singhi, P; Vaidya, PC; Verma, S | 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 |
| Choi, R; Kim, S; Kim, Y; Lee, EH; Lee, SG; Oh, Y; Park, MJ | 1 |
| Guéant, JL; Jeannesson, E; Levy, J; Oussalah, A; Rodriguez-Guéant, RM; Wahl, D; Ziuly, S | 1 |
| Dwarkanath, P; Finkelstein, JL; Fothergill, A; Krisher, JT; Kurpad, AV; Thomas, T | 1 |
| Bokova, IA; Shavlovskaya, OA; Shavlovskiy, NI; Yukhnovskaya, YD | 1 |
| Broe, K; Cpgm de Groot, L; Cupples, LA; Ham, A; Hannan, MT; Hsu, YH; Jacques, P; Karasik, D; Kiel, DP; Liu, CT; McLean, RR; Paul, L; Selhub, J; Trajanoska, K; van der Velde, N; van Schoor, N; Xu, H; Zhou, Y | 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 |
| Abildgaard, A; Greibe, E; Hoejskov, CS; Knudsen, CS; Parkner, T | 1 |
| Ailliet, S; Cassiman, D; Demaerel, P; Meersseman, W; Schiemsky, T; Van Overbeke, L; Vandenberghe, R; Vermeersch, P | 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 |
| Berg, CL; Mouland, G; Sharikabad, MN; Sommerschild, HT | 1 |
| Bhatta, RS; Bisen, AC; Godbole, MM; Kumar, M; Kumar, P; Mishra, A; Rathore, AS; Sanap, SN; Verma, SK | 1 |
19 review(s) available for methylmalonic acid and folic acid
| Article | Year |
|---|---|
The laboratory diagnosis of megaloblastic anemias.
Topics: Anemia, Macrocytic; Anemia, Megaloblastic; Antibodies; Clinical Laboratory Techniques; Erythrocytes; Folic Acid; Folic Acid Deficiency; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency | 1978 |
Vitamin-responsive inherited metabolic disorders.
Topics: Adolescent; Adult; Anemia, Megaloblastic; Avitaminosis; Biological Transport; Biotin; Carrier Proteins; Child; Child, Preschool; Coenzymes; Female; Folic Acid; Folic Acid Deficiency; Genetic Linkage; Humans; Infant; Infant, Newborn; Malabsorption Syndromes; Male; Metabolism, Inborn Errors; Methylmalonic Acid; Phenotype; Sex Chromosomes; Thiamine Deficiency; Vitamin B 6 Deficiency; Vitamin B Deficiency; Vitamin D Deficiency; Vitamins | 1976 |
The dietary treatment of inborn errors of metabolism.
Topics: Adolescent; Amino Acid Metabolism, Inborn Errors; Anemia, Megaloblastic; Child; Female; Folic Acid; Galactosemias; Glutamate Decarboxylase; Homocystinuria; Humans; Infant; Infant, Newborn; Lactose Intolerance; Maple Syrup Urine Disease; Metabolism, Inborn Errors; Methylmalonic Acid; Phenylketonurias; Pregnancy; Vitamin B 12 | 1976 |
Cobalamin and folate: recent developments.
Topics: Anemia, Megaloblastic; Female; Folic Acid; Humans; Methylation; Methylmalonic Acid; Nervous System Diseases; Neural Tube Defects; Nitrous Oxide; Vitamin B 12 Deficiency | 1992 |
Vitamin-responsive inborn errors of metabolism.
Topics: Acetyl-CoA Carboxylase; Acidosis; Amino Acid Metabolism, Inborn Errors; Animals; Biotin; Folic Acid; Glutaryl-CoA Dehydrogenase; Humans; Intestinal Absorption; Maple Syrup Urine Disease; Metabolism, Inborn Errors; Methemoglobinemia; Methylmalonic Acid; Oxidoreductases; Oxidoreductases Acting on CH-CH Group Donors; Propionates; Pyridoxine; Pyruvate Carboxylase Deficiency Disease; Pyruvate Kinase; Riboflavin; Tetrahydrofolate Dehydrogenase; Thiamine; Transcobalamins; Vitamin B 12; Vitamins | 1983 |
Remethylation defects: guidelines for clinical diagnosis and treatment.
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.
Topics: Central Nervous System Diseases; Citrates; Demyelinating Diseases; Folic Acid; Homocysteine; Humans; Mental Disorders; Methionine; Methylmalonic Acid; Vitamin B 12 | 1998 |
Cobalamin and folate evaluation: measurement of methylmalonic acid and homocysteine vs vitamin B(12) and folate.
Topics: Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency | 2000 |
Pemetrexed safety and dosing strategy.
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 |
Homocysteine and methylmalonic acid in diagnosis and risk assessment from infancy to adolescence.
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.
Topics: Cognition; Cognition Disorders; Dementia; Folic Acid; Folic Acid Deficiency; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency | 2004 |
[Measurement of methylmalonic acid, homocysteine and methionine in cobalamin and folate deficiencies and homocysteinuria].
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.
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 |
Vitamin B-12 and neural tube defects: the Canadian experience.
Topics: Adult; Biological Availability; Biomarkers; Canada; Female; Flour; Folic Acid; Food, Fortified; Humans; Methylmalonic Acid; Neural Tube Defects; Nutritional Status; Pregnancy; Randomized Controlled Trials as Topic; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex | 2009 |
Nitrous oxide-induced B₁₂ deficiency myelopathy: Perspectives on the clinical biochemistry of vitamin B₁₂.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Cobamides; Cytokines; Folic Acid; Gait Ataxia; Humans; Illicit Drugs; Intercellular Signaling Peptides and Proteins; Magnetic Resonance Imaging; Male; Methylation; Methylmalonic Acid; Methylmalonyl-CoA Mutase; Models, Animal; Models, Biological; Nitrous Oxide; Postgastrectomy Syndromes; Pyramidal Tracts; Spinal Cord; Subacute Combined Degeneration; Substance-Related Disorders; Vitamin B 12; Young Adult | 2011 |
Overview of a roundtable on NHANES monitoring of biomarkers of folate and vitamin B-12 status: measurement procedure issues.
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.
Topics: Bias; Biomarkers; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Nutrition Surveys; Public Policy; Vitamin B 12 | 2011 |
The role of the one-carbon cycle in the developmental origins of Type 2 diabetes and obesity.
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 |
Topics: Algorithms; Diagnosis, Differential; Folic Acid; Folic Acid Deficiency; Guideline Adherence; Humans; Methylmalonic Acid; Risk Factors; Vitamin B 12; Vitamin B 12 Deficiency | 2016 |
40 trial(s) available for methylmalonic acid and folic acid
| Article | Year |
|---|---|
Effects of vitamin B12, folate, and vitamin B6 supplements in elderly people with normal serum vitamin concentrations.
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 |
Performance of the serum cobalamin assay for diagnosis of cobalamin deficiency.
Topics: Blood Proteins; False Positive Reactions; Female; Folic Acid; Follow-Up Studies; Hemoglobins; Hospitals, Veterans; Humans; Inpatients; Male; Methylmalonic Acid; Middle Aged; Outpatients; Predictive Value of Tests; Prospective Studies; Random Allocation; Reagent Kits, Diagnostic; Schilling Test; Vitamin B 12; Vitamin B 12 Deficiency | 1994 |
Metformin increases total serum homocysteine levels in non-diabetic male patients with coronary heart disease.
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.
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 |
Elevated serum levels of methylmalonic acid and homocysteine in elderly people. A population-based intervention study.
Topics: Administration, Oral; Aged; Female; Folic Acid; Hematinics; Homocysteine; Humans; Injections, Intramuscular; Male; Methylmalonic Acid; Treatment Outcome; Vitamin B 12 | 1999 |
Elevated serum levels of methylmalonic acid and homocysteine in elderly people. A population-based intervention study.
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.
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 |
Decrease of elevated N,N-dimethylglycine and N-methylglycine in human immunodeficiency virus infection during short-term highly active antiretroviral therapy.
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.
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.
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 |
The effect of vitamin B12 on total plasma homocysteine concentration in folate-replete hemodialysis patients.
Topics: Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Middle Aged; Renal Dialysis; Statistics, Nonparametric; Treatment Outcome; 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.
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.
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.
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.
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 |
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.
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 |
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.
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.
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 |
Pemetrexed pharmacokinetics and pharmacodynamics in a phase I/II study of doublet chemotherapy with vinorelbine: implications for further optimisation of pemetrexed schedules.
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 |
Cobalamin and folate status in infants and young children in a low-to-middle income community in India.
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 |
Common metabolic profile in infants indicating impaired cobalamin status responds to cobalamin supplementation.
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.
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 |
Cobalamin status modifies the effect of zinc supplementation on the incidence of prolonged diarrhea in 6- to 30-month-old north Indian children.
Topics: Child, Preschool; Diarrhea; Dietary Supplements; Female; Folic Acid; Homocysteine; Humans; Incidence; India; Infant; Male; Methylmalonic Acid; Vitamin B 12; Zinc | 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.
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.
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.
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.
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.
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.
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 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.
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.
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.
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 |
One-carbon metabolites and telomere length in a prospective and randomized study of B- and/or D-vitamin supplementation.
Topics: Aged; Biomarkers; Body Mass Index; Calcium Carbonate; Carbon; Choline; Cross-Sectional Studies; Dietary Supplements; Double-Blind Method; Female; Folic Acid; Humans; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Pilot Projects; Prospective Studies; Sarcosine; Telomere; Telomere Homeostasis; Tetrahydrofolates; Vitamin B 12; Vitamin B 6; Vitamin B Complex; Vitamin D | 2017 |
Whey protein isolate improves vitamin B
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
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 |
Cobalamin and Folate Status among Breastfed Infants in Bhaktapur, Nepal.
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
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 |
Infantile Tremor Syndrome or a Neurocutaneous Infantile B12 Deficiency (NIB) Syndrome?
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.
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.
Topics: Aged; Dietary Supplements; Female; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamins | 2021 |
173 other study(ies) available for methylmalonic acid and folic acid
| Article | Year |
|---|---|
The effect of oral contraceptives on vitamin B12 metabolism.
Topics: Absorption; Chemical Fractionation; Contraceptives, Oral; Contraceptives, Oral, Combined; Contraceptives, Oral, Sequential; Contraceptives, Oral, Synthetic; Female; Folic Acid; Humans; Methylmalonic Acid; Time Factors; Transcobalamins; Vitamin B 12 | 1979 |
Effect of dietary thyroid powder on urinary excretion of formiminoglutamic acid and methylmalonic acid.
Topics: Animals; Dietary Proteins; Folic Acid; Formiminoglutamic Acid; Glutarates; Histidine; Male; Malonates; Methionine; Methylmalonic Acid; Rats; Thyroid (USP); Thyroid Hormones; Vitamin B 12; Vitamin B 12 Deficiency | 1979 |
Experimental vitamin B12 deficiency in the baboon.
Topics: Animals; Bacteria; Biopsy; Blood Cell Count; Brain Chemistry; Cerebral Cortex; Folic Acid; Formiminoglutamic Acid; Hemoglobins; Histidine; Intestines; Liver; Methylmalonic Acid; Papio; Spinal Cord; Valine; Vitamin B 12; Vitamin B 12 Deficiency | 1975 |
Inhibition of cobalamin-dependent enzymes by cobalamin analogues in rats.
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 |
[Megaloblastic anemia].
Topics: Adult; Aged; Anemia, Megaloblastic; Bone Marrow; Deoxyuridine; DNA; Female; Folic Acid; Humans; Male; Methylmalonic Acid; Middle Aged; Schilling Test; Vitamin B 12 | 1991 |
Diagnosis of cobalamin deficiency I: usefulness of serum methylmalonic acid and total homocysteine concentrations.
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.
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.
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 |
Effect of thiouracil in modifying folate function in severe vitamin B12 deficiency.
Topics: 5-Methyltetrahydrofolate-Homocysteine S-Methyltransferase; Animals; Carbon Dioxide; Diet; Folic Acid; Histidine; Liver; Male; Methylmalonic Acid; Oxidation-Reduction; Pectins; Rats; Rats, Inbred Strains; Thiouracil; Vitamin B 12; Vitamin B 12 Deficiency | 1988 |
Effect of hypothyroidism on methylmalonate excretion and hepatic vitamin B-12 levels in rats.
Topics: Animals; Dietary Proteins; Folic Acid; Histidine; Hypothyroidism; Liver; Malonates; Methylmalonic Acid; Mice; Rats; Thiouracil; Thyroid Hormones; Thyroidectomy; Vitamin B 12; Vitamin B 12 Deficiency | 1988 |
Assay of methylmalonic acid in the serum of patients with cobalamin deficiency using capillary gas chromatography-mass spectrometry.
Topics: Adolescent; Adult; Aged; Anemia, Pernicious; Female; Folic Acid; Gas Chromatography-Mass Spectrometry; Humans; Male; Malonates; Methylmalonic Acid; Middle Aged; Succinates; Succinic Acid; Vitamin B 12; Vitamin B 12 Deficiency | 1986 |
Elevated midtrimester serum methylmalonic acid levels as a risk factor for neural tube defects.
Topics: Adult; Case-Control Studies; Female; Folic Acid; Gas Chromatography-Mass Spectrometry; Humans; Methylmalonic Acid; Middle Aged; Neural Tube Defects; Odds Ratio; Pregnancy; Pregnancy Trimester, Second; Risk Factors; Vitamin B 12 | 1995 |
Homocysteine metabolism in pregnancies complicated by neural-tube defects.
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 |
Evidence that homocysteine is an independent risk factor for atherosclerosis in hyperlipidemic patients.
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.
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 |
Serum cobalamin and methylmalonic acid in Alzheimer dementia.
Topics: Adult; Aged; Aged, 80 and over; Alzheimer Disease; Dementia; Diagnosis, Differential; Erythrocyte Indices; Erythrocytes; Female; Folic Acid; Humans; Male; Mental Disorders; Methylmalonic Acid; Middle Aged; Reference Values; Risk Factors; Vitamin B 12; Vitamin B 12 Deficiency | 1993 |
Kinetics of total plasma homocysteine in subjects with hyperhomocysteinemia due to folate or cobalamin deficiency.
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 |
Age- and gender-specific reference intervals for total homocysteine and methylmalonic acid in plasma before and after vitamin supplementation.
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 |
Crohn's disease and vitamin B12 metabolism.
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.
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 |
Cobalamin and folate deficiencies.
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?
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 |
[Megaloblastic anemia: rapid and economical study].
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 |
Long-term nutritional consequences of bowel segment use for lower urinary tract reconstruction in pediatric patients.
Topics: Adolescent; Adolescent Nutritional Physiological Phenomena; Carotenoids; Cecum; Child; Child Nutritional Physiological Phenomena; Child, Preschool; Colon; Female; Folic Acid; Follow-Up Studies; Humans; Ileum; Infant; Male; Methylmalonic Acid; Time Factors; Urinary Diversion; Vitamin B 12 | 1997 |
Dietary intake of cobalamin in elderly people who have abnormal serum cobalamin, methylmalonic acid and homocysteine levels.
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 |
Cobalamin deficiency in general practice. Assessment of the diagnostic utility and cost-benefit analysis of methylmalonic acid determination in relation to current diagnostic strategies.
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 |
Supplementation with vitamin B12 decreases homocysteine and methylmalonic acid but also serum folate in patients with end-stage renal disease.
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 |
Serum cobalamin, homocysteine, and methylmalonic acid concentrations in a multiethnic elderly population: ethnic and sex differences in cobalamin and metabolite abnormalities.
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 |
Concentrations of plasma methylmalonic acid in 80-year-olds show only weak relation to psychological performance.
Topics: Aged; Aged, 80 and over; Folic Acid; Homocysteine; Humans; Longitudinal Studies; Methylmalonic Acid; Psychological Tests; Vitamin B 12 | 1999 |
Etiology and diagnostic evaluation of macrocytosis.
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 |
Evaluation of indicators of cobalamin deficiency defined as cobalamin-induced reduction in increased serum methylmalonic acid.
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 |
Role of homocysteine, cystathionine and methylmalonic acid measurement for diagnosis of vitamin deficiency in high-aged subjects.
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 |
Association of folate intake and serum homocysteine in elderly persons according to vitamin supplementation and alcohol use.
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 |
Serum cobalamin, folate, methylmalonic acid and total homocysteine as vitamin B12 and folate tissue deficiency markers amongst elderly Swedes--a population-based study.
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.
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 |
Genetic defects as important factors for moderate hyperhomocysteinemia.
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 |
Does a single vitamin B-supplementation induce functional vitamin B-deficiency?
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?
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.
Topics: Female; Folic Acid; Heart Septal Defects, Ventricular; Homocysteine; Homocystinuria; Humans; Hydroxocobalamin; Infant, Newborn; Lactic Acid; Metabolism, Inborn Errors; Methionine; Methylmalonic Acid | 2001 |
Total homocysteine is making its way into pediatric laboratory diagnostics.
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 |
Vitamin B(12) deficiency associated with histamine(2)-receptor antagonists and a proton-pump inhibitor.
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.
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.
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 |
Vitamin B12 and folate after 5-12 years of continent ileal urostomy (Kock reservoir) in children and adolescents.
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 |
Use of plasma methylmalonic acid in diagnosing vitamin B-12 deficiency in general practice.
Topics: Adult; Aged; Aged, 80 and over; Creatinine; Erythrocyte Indices; Erythrocytes; Family Practice; Female; Folic Acid; Guideline Adherence; Hemoglobins; Humans; Male; Mass Screening; Methylmalonic Acid; Middle Aged; Patient Selection; Practice Guidelines as Topic; Practice Patterns, Physicians'; Primary Health Care; Retrospective Studies; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency | 2002 |
Independent effect of vitamin B12 deficiency on hematological status in older Chinese vegetarian women.
Topics: Aged; Anemia; Blood Cell Count; Blood Proteins; China; Cross-Sectional Studies; Diet, Vegetarian; Erythrocyte Indices; Female; Folic Acid; Hemoglobins; Humans; Iron; Iron Deficiencies; Kidney; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 12 Deficiency | 2002 |
Practical management of combined methylmalonicaciduria and homocystinuria.
Topics: Adolescent; Adult; Betaine; Carnitine; Child; Child, Preschool; Female; Folic Acid; Gastrointestinal Agents; Hematinics; Homocystinuria; Humans; Hydrocephalus; Hydroxocobalamin; Injections, Intramuscular; Male; Metabolism, Inborn Errors; Methylmalonic Acid; Microcephaly; Seizures | 2002 |
Elevated serum methylmalonic acid concentrations are common among elderly Americans.
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.
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 |
Cobalamin status (holo-transcobalamin, methylmalonic acid) and folate as determinants of homocysteine concentration.
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.
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 |
High prevalence of cobalamin deficiency in Guatemalan schoolchildren: associations with low plasma holotranscobalamin II and elevated serum methylmalonic acid and plasma homocysteine concentrations.
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 |
Folate deficiency is a common finding in psychogeriatric patients.
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.
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 |
Homocysteine, methylenetetrahydrofolate reductase C677T polymorphism and the B-vitamins: a facet of nature-nurture interplay.
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.
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 |
Vitamin B-12 status, particularly holotranscobalamin II and methylmalonic acid concentrations, and hyperhomocysteinemia in vegetarians.
Topics: Adult; Aged; Biomarkers; Diet, Vegetarian; Female; Folic Acid; Homocysteine; Humans; Hyperhomocysteinemia; Male; Methylmalonic Acid; Middle Aged; Osmolar Concentration; Transcobalamins; Vitamin B 12 | 2003 |
Reported symptoms and clinical findings in relation to serum cobalamin, folate, methylmalonic acid and total homocysteine among elderly Swedes: a population-based study.
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 |
METHYLMALONIC ACID EXCRETION AND VITAMIN B12 DEFICIENCY IN THE HUMAN.
Topics: Anemia; Anemia, Macrocytic; Anemia, Pernicious; Carcinoma; Celiac Disease; Chromatography; Crohn Disease; Diabetic Neuropathies; Diverticulum; Enteritis; Female; Folic Acid; Folic Acid Deficiency; Gastrectomy; Geriatrics; Hemorrhage; Hernia, Diaphragmatic; Humans; Isomerases; Malonates; Metabolism; Methylmalonic Acid; Nutrition Disorders; Pregnancy; Pregnancy Complications; Pregnancy Complications, Hematologic; Propionates; Scurvy; Urine; Vitamin B 12 Deficiency; Vitamin B Deficiency | 1964 |
Cobalamin, folate, methylmalonic acid, homocysteine, and gastritis markers in dementia.
Topics: Biomarkers; Case-Control Studies; Dementia; Folic Acid; Gastritis; Homocysteine; Humans; Methylmalonic Acid; Middle Aged; Risk Factors; Vitamin B 12 | 2003 |
Routine determination of serum methylmalonic acid and plasma total homocysteine in Norway.
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 |
Functional vitamin B12 deficiency and determination of holotranscobalamin in populations at risk.
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 |
Comparison of the influence of volume-oriented training and high-intensity interval training on serum homocysteine and its cofactors in young, healthy swimmers.
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.
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.
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.
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 |
Parenteral vitamin B12 therapy of hyperhomocysteinemia in end-stage renal disease.
Topics: Administration, Oral; Aged; Folic Acid; Humans; Hyperhomocysteinemia; Kidney Failure, Chronic; Methylmalonic Acid; Middle Aged; Parenteral Nutrition; Time Factors; Vitamin B 12; Vitamin B 12 Deficiency | 2004 |
Methylmalonic acid in amniotic fluid and maternal urine as a marker for neural tube defects.
Topics: Adult; Amniotic Fluid; Biomarkers; Female; Folic Acid; Humans; Methylmalonic Acid; Neural Tube Defects; Pregnancy; Pregnancy Trimester, Second; Prenatal Diagnosis; Vitamin B 12 | 2004 |
Use of fasting urinary methylmalonic acid to screen for metabolic vitamin B12 deficiency in older persons.
Topics: Aging; Biomarkers; Creatinine; Diet, Vegetarian; Fasting; Female; Folic Acid; Hong Kong; Humans; Kidney Function Tests; Mass Screening; Methylmalonic Acid; Middle Aged; Predictive Value of Tests; ROC Curve; Sensitivity and Specificity; Vitamin B 12; Vitamin B 12 Deficiency | 2004 |
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.
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.
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.
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 |
Effects of intramuscular injections of vitamin B12 on lactation performance of dairy cows fed dietary supplements of folic acid and rumen-protected methionine.
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 |
Cobalamin deficiency in elderly patients.
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.
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 |
Executive dysfunction in hyperhomocystinemia responds to homocysteine-lowering treatment.
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.
Topics: Aged; Bone Density; Female; Folic Acid; Hip; Homocysteine; Humans; Male; Methylmalonic Acid; Osteoporosis; Radiography; United States; Vitamin B 12 | 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.
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 |
Folate and vitamin B12 in relation to lactation: a 9-month postpartum follow-up study.
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 |
Altered vitamin B12 status in recreational endurance athletes.
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 |
[Oral treatment of vitamin B12 deficiency in subacute combined degeneration].
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 |
Methylmalonic acid and cognitive function in the Medical Research Council Cognitive Function and Ageing Study.
Topics: Aged; Aged, 80 and over; Aging; Cognition; Cohort Studies; Cross-Sectional Studies; Female; Folic Acid; Folic Acid Deficiency; Geriatrics; Humans; Language Tests; Longitudinal Studies; Male; Methylmalonic Acid; Vitamin B 12 Deficiency; Vitamin B Complex | 2006 |
Biomarkers of folate and vitamin B12 are related in blood and cerebrospinal fluid.
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.
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 |
Association between decreased vitamin levels and MTHFR, MTR and MTRR gene polymorphisms as determinants for elevated total homocysteine concentrations in pregnant women.
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 |
Reference intervals for haematological variables during normal pregnancy and postpartum in 434 healthy Danish women.
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.
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 |
Changes in markers of cobalamin status after cessation of oral B-vitamin supplements in elderly people with mild cobalamin deficiency.
Topics: Aged, 80 and over; Biological Availability; Biomarkers; Dietary Supplements; Female; Folic Acid; Follow-Up Studies; Humans; Male; Methylmalonic Acid; Nutritional Status; Randomized Controlled Trials as Topic; Time Factors; Treatment Outcome; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex | 2008 |
Folate, but not vitamin B-12 status, predicts respiratory morbidity in north Indian children.
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).
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.
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 |
The association of gastric cancer risk with plasma folate, cobalamin, and methylenetetrahydrofolate reductase polymorphisms in the European Prospective Investigation into Cancer and Nutrition.
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 |
In vitamin B12 deficiency, higher serum folate is associated with increased total homocysteine and methylmalonic acid concentrations.
Topics: Adult; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Middle Aged; Time Factors; Vitamin B 12 Deficiency | 2007 |
Dietary patterns and vitamin B(12) status of migrant Indian preadolescent girls.
Topics: Child; Diet, Vegetarian; Female; Folic Acid; Humans; India; Methylmalonic Acid; New Zealand; Vitamin B 12; Vitamin B 12 Deficiency; Vitamin B Complex | 2009 |
In vitamin B12 deficiency, higher serum folate is associated with increased homocysteine and methylmalonic acid concentrations.
Topics: Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency | 2008 |
Gas chromatographic-mass spectrometric analysis of biomarkers related to folate and cobalamin status in human serum after dimercaptopropanesulfonate reduction and heptafluorobutyl chloroformate derivatization.
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.
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 |
[Thromboembolic events, abortions and a sick infant--unusual presentation of a vitamin deficiency].
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.
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 |
Folate-vitamin B-12 interaction in relation to cognitive impairment, anemia, and biochemical indicators of vitamin B-12 deficiency.
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 |
Biochemical indicators of vitamin B12 and folate insufficiency and cognitive decline.
Topics: Aged; Aged, 80 and over; Biomarkers; Cognition Disorders; Cohort Studies; Female; Folic Acid; Folic Acid Deficiency; Humans; Indicators and Reagents; Male; Methylmalonic Acid; Risk Factors; Vitamin B 12; Vitamin B 12 Deficiency | 2009 |
Association between Helicobacter pylori-infection, C-reactive protein and status of B vitamins.
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.
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.
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 |
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.
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 |
High prevalence of structural heart disease in children with cblC-type methylmalonic aciduria and homocystinuria.
Topics: Adolescent; Adult; Child; Child, Preschool; Demography; Diagnostic Imaging; Female; Folic Acid; Heart Diseases; Homocystinuria; Humans; Infant; Infant, Newborn; Male; Metabolism, Inborn Errors; Methylmalonic Acid; Prevalence; Ultrasonography; United States; Young Adult | 2009 |
Subclinical vitamin B12 deficiency in pregnant women attending an antenatal clinic in Nigeria.
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 |
Double aneuploidy (48,XXY,+21) of maternal origin in a child born to a 13-year-old mother: evaluation of the maternal folate metabolism.
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?
Topics: Cognition; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Vitamin B 12 Deficiency | 2009 |
Transcobalamin-II variants, decreased vitamin B12 availability and increased risk of frailty.
Topics: Aged; Biological Availability; Biomarkers; Carbon; Cohort Studies; Cross-Sectional Studies; DNA-Binding Proteins; Female; Ferredoxin-NADP Reductase; Folic Acid; Food, Fortified; Frail Elderly; Genetic Variation; Haplotypes; Humans; Linear Models; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Polymorphism, Single Nucleotide; Saccharomyces cerevisiae Proteins; Transcobalamins; Transcription Factors; Vitamin B 12; Women's Health | 2010 |
Low cobalamin levels associated with sickle cell disease: Contrasting origins and clinical meanings in two instructive patients.
Topics: Adult; Anemia, Pernicious; Anemia, Sickle Cell; Autoantibodies; Depression; Female; Folic Acid; Gastrins; Hemoglobin SC Disease; Humans; Hydroxyurea; Hyperhomocysteinemia; Intrinsic Factor; Iron Overload; Male; Methylmalonic Acid; Pneumonia; Transcobalamins; Transfusion Reaction; Treatment Refusal; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult | 2010 |
Circulating unmetabolized folic acid and 5-methyltetrahydrofolate in relation to anemia, macrocytosis, and cognitive test performance in American seniors.
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 |
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.
Topics: Aged; Diet; Dietary Supplements; Erythrocytes; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Nutrition Surveys; Tetrahydrofolates; United States; Vitamin B 12 | 2010 |
Elevated levels of methylmalonate and homocysteine in Parkinson's disease, progressive supranuclear palsy and amyotrophic lateral sclerosis.
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 |
Anemia in older persons.
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 |
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.
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.
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.
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.
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.
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 |
Vitamin B12 deficiency, hyperhomocysteinemia and thrombosis: a case and control study.
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.
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.
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 |
Do high blood folate concentrations exacerbate metabolic abnormalities in people with low vitamin B-12 status?
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.
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 |
Prevalence and predictors of anemia in a population-based study of octogenarians and centenarians in Georgia.
Topics: Aged, 80 and over; Anemia; C-Reactive Protein; Chronic Disease; Creatinine; Dietary Supplements; Erythrocytes; Female; Ferritins; Folic Acid; Georgia; Glomerular Filtration Rate; Hemoglobins; Humans; Male; Methylmalonic Acid; Prevalence; Serum Albumin; Vitamin B 12 | 2012 |
Total blood mercury and serum measles antibodies in US children, NHANES 2003-2004.
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 & levels of metabolites in an apparently normal urban south Indian elderly population.
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 |
Holotranscobalamin: not ready for prime time.
Topics: Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Transcobalamins; Vitamin B 12; Vitamin B 12 Deficiency | 2012 |
Vision changes after spaceflight are related to alterations in folate- and vitamin B-12-dependent one-carbon metabolism.
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.
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 |
Maternal risk for Down syndrome is modulated by genes involved in folate metabolism.
Topics: Adult; Betaine-Homocysteine S-Methyltransferase; Biosynthetic Pathways; Case-Control Studies; Down Syndrome; Female; Ferredoxin-NADP Reductase; Folic Acid; Genetic Association Studies; Haplotypes; Humans; Logistic Models; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Multivariate Analysis; Polymorphism, Single Nucleotide; Pregnancy; Pregnancy, High-Risk; Reduced Folate Carrier Protein; Risk Factors; Transcobalamins | 2012 |
Factors affecting the distribution of folate forms in the serum of elderly German adults.
Topics: Aged; Aged, 80 and over; Creatinine; Dietary Supplements; Female; Folic Acid; Genotype; Germany; Humans; Male; Methylenetetrahydrofolate Reductase (NADPH2); Methylmalonic Acid; Middle Aged; Polymorphism, Genetic; Vitamin B 12 | 2013 |
Genetic polymorphisms modulate the folate metabolism of Brazilian individuals with Down syndrome.
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].
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.
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.
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 |
Vitamin B(12) intake and status in early pregnancy among urban South Indian women.
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 |
DHFR 19-bp deletion and SHMT C1420T polymorphisms and metabolite concentrations of the folate pathway in individuals with Down syndrome.
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 |
Advanced age as a risk factor for folate-associated functional cobalamin deficiency.
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 |
Early biochemical and hematological response to intramuscular cyanocobalamin therapy in vitamin B(12)-deficient patients.
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 |
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.
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 |
Maternal vitamin B12 deficiency detected in expanded newborn screening.
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 |
Micronutrient status in female university students: iron, zinc, copper, selenium, vitamin B12 and folate.
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 |
Serum folate, cobalamin, homocysteine and methylmalonic acid concentrations in pigs with acute, chronic or subclinical Lawsonia intracellularis infection.
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.
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 |
Combined indicator of vitamin B12 status: modification for missing biomarkers and folate status and recommendations for revised cut-points.
Topics: Biomarkers; Folic Acid; Healthy Volunteers; Homocysteine; Humans; Methylmalonic Acid; Transcobalamins; Vitamin B 12 | 2015 |
Vitamin B12 and folate levels in healthy Swiss senior citizens: a prospective study evaluating reference intervals and decision limits.
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 |
B-vitamin status and bone mineral density and risk of lumbar osteoporosis in older females in the United States.
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 Serum Vitamin B-12 Concentrations Are Prevalent in a Cohort of Pregnant Canadian Women.
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.
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 |
Folate and MMA predict cognitive impairment in elderly stroke survivors: A cross sectional study.
Topics: Aged; Aged, 80 and over; Cognition Disorders; Cross-Sectional Studies; Female; Folic Acid; Folic Acid Deficiency; Follow-Up Studies; Humans; Male; Methylmalonic Acid; Predictive Value of Tests; Stroke; Survivors; Sweden | 2016 |
A Black Cohosh Extract Causes Hematologic and Biochemical Changes Consistent with a Functional Cobalamin Deficiency in Female B6C3F1/N Mice.
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 |
Neuropsychiatric and neurological problems among Vitamin B12 deficient young vegetarians.
Topics: Adult; Case-Control Studies; Comorbidity; Cross-Sectional Studies; Depression; Female; Folic Acid; Humans; Male; Methylmalonic Acid; Pakistan; Paresthesia; Peripheral Nervous System Diseases; Prospective Studies; Psychotic Disorders; Vegetarians; Vitamin B 12 Deficiency; Young Adult | 2017 |
Folate and vitamin B12 status is associated with insulin resistance and metabolic syndrome in morbid obesity.
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 pregnancy folate-cobalamin interactions and their effects on cobalamin status and hematologic variables throughout pregnancy.
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.
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 |
Patterns and utility of vitamin B12 and folate testing in patients with isolated thrombocytopenia.
Topics: Adult; Aged; Aged, 80 and over; Diagnostic Tests, Routine; Female; Folic Acid; Folic Acid Deficiency; Humans; Male; Methylmalonic Acid; Middle Aged; Procedures and Techniques Utilization; Purpura, Thrombocytopenic, Idiopathic; Sarcoidosis; Thrombocytopenia; Unnecessary Procedures; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult | 2019 |
Homocysteine Metabolism in Children and Adolescents: Influence of Age on Plasma Biomarkers and Correspondent Genotype Interactions.
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 |
Investigating vitamin B12 deficiency.
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 |
Assessment of folate and cobalamin concentrations in relation to their dependent intracellular metabolites in serum of pigs between 6 and 26 weeks of age.
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.
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 |
Test utilization for the diagnosis of vitamin B12 and folate deficiency in local clinics in Korea.
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 |
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.
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 |
Maternal vitamin B12 deficiency and perinatal outcomes in southern India.
Topics: Adult; Biomarkers; Cohort Studies; Female; Folic Acid; Humans; India; Infant, Newborn; Maternal Nutritional Physiological Phenomena; Methylmalonic Acid; Pregnancy; Prospective Studies; Vitamin B 12; Vitamin B 12 Deficiency | 2021 |
[Cobalamin in the complex treatment and prevention of cognitive impairment].
Topics: Aged; Biomarkers; Cognitive Dysfunction; Female; Folic Acid; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency | 2021 |
Genetic variants modify the associations of concentrations of methylmalonic acid, vitamin B-12, vitamin B-6, and folate with bone mineral density.
Topics: Adolescent; Adult; Aged; Bone Density; Child; Child, Preschool; Female; Folic Acid; Genetic Variation; Genotype; Humans; Male; Methylmalonic Acid; Middle Aged; Vitamin B 12; Vitamin B 6; Vitamin B Complex; Young Adult | 2021 |
Reference intervals for plasma vitamin B12 and plasma/serum methylmalonic acid in Danish children, adults and elderly.
Topics: Adult; Aged; Child; Denmark; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Reference Values; Vitamin B 12; Vitamin B 12 Deficiency | 2022 |
A case of vitamin B12 deficiency neurological syndrome in a young adult due to late-onset cobalamin C (CblC) deficiency: a diagnostic challenge.
Topics: Adult; Female; Folic Acid; Humans; Methylmalonic Acid; Nervous System Diseases; Vitamin B 12; Vitamin B 12 Deficiency; Young Adult | 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.
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.
Topics: Birth Weight; Child; Female; Folic Acid; Homocysteine; Humans; Male; Methylmalonic Acid; Pregnancy; Prospective Studies; Vitamin B 12; Vitamin B 12 Deficiency | 2023 |
Topics: Dietary Supplements; Folic Acid; Humans; Methylmalonic Acid; Vitamin B 12; Vitamin B 12 Deficiency | 2022 |
Simultaneous estimation of total homocysteine and methylmalonic-acid using LC-MS/MS: Clinical application in adult and pediatric.
Topics: Adult; Biomarkers; Child; Chromatography, Liquid; Folic Acid; Homocysteine; Humans; Methylmalonic Acid; Pediatrics; Tandem Mass Spectrometry; Vitamin B 12 | 2022 |