Page last updated: 2024-10-20

urea and Aging

urea has been researched along with Aging in 254 studies

pseudourea: clinical use; structure
isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives.

Aging: The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.

Research Excerpts

ExcerptRelevanceReference
"This study aimed to investigate the protective effects of berberine (BBR) against D-galactose (D-gal)-induced renal aging in rats, pointing to its ability to modulate phosphatase and tensin homolog deleted on chromosome ten (PTEN)/Akt signalling, and to attenuate oxidative stress, inflammation and apoptosis."7.96Berberine ameliorates renal injury in a rat model of D-galactose-induced aging through a PTEN/Akt-dependent mechanism. ( El-Horany, HE; Gaballah, HH; Helal, DS, 2020)
" The present study examined how the kidney and the brain of senescent (30-mo-old) female WAG/Rij rats respond to dehydration induced by 2 days of water deprivation in terms of urea transporter (UT) regulation."7.72Urea transporter expression in aging kidney and brain during dehydration. ( Corman, B; Geelen, G; Teillet, L; Trinh-Trang-Tan, MM, 2003)
"Juvenile visceral steatosis (JVS) mouse is an animal model of human primary carnitine deficiency caused by a mutation of the gene encoding carnitine transporter, and suffers from various symptoms, such as fatty liver, growth retardation, hyperammonemia, hypoglycemia, and cardiac hypertrophy."7.71Hyperammonemia in carnitine-deficient adult JVS mice used by starvation. ( Horiuchi, M; Jalil, A; Kobayashi, K; Li, XX; Saheki, T; Yoshida, G, 2002)
"Concentrations of electrolytes, lactate, urea, glucose, total lipids and total protein were measured in sweat obtained by thermal stimulation of apparently healthy volunteers."7.69Age dependent reference intervals of glucose, urea, protein, lactate and electrolytes in thermally induced sweat. ( al-Tamer, YY; Hadi, EA, 1994)
"Plasma samples from 237 patients with osteoarthritis treated with 750 mg naproxen daily were obtained after four weeks of active therapy."7.68Naproxen free plasma concentrations and unbound fractions in patients with osteoarthritis: relation to age, sex, efficacy, and adverse events. ( Hundal, O; Husby, G; Rugstad, HE, 1991)
"This study aimed to investigate the protective effects of berberine (BBR) against D-galactose (D-gal)-induced renal aging in rats, pointing to its ability to modulate phosphatase and tensin homolog deleted on chromosome ten (PTEN)/Akt signalling, and to attenuate oxidative stress, inflammation and apoptosis."3.96Berberine ameliorates renal injury in a rat model of D-galactose-induced aging through a PTEN/Akt-dependent mechanism. ( El-Horany, HE; Gaballah, HH; Helal, DS, 2020)
" Hematocrit, urea, creatinine and microalbuminuria were analyzed, after which the HUGE formula was applied."3.81The H.U.G.E. Formula (Hematocrit, Urea, Sex) for Screening Chronic Kidney Disease (CKD) in an Age-Stratified General Population. ( Felix, FJ; Fernandez-Berges, D; Lozano, L; Macías, JF; Miranda, I; Robles, NR, 2015)
" DSIP exerts stimulating influence upon the superoxid-dismutese, catalase, ceruloplasmin activities as well as the level of nonenzymatic antioxidants--urea and uric acids, because during organism aging the antioxidant defense systems are being suppressed."3.77[Mechanism of delta-sleep inducing peptide geroprotective activity]. ( Bondarenko, TI; Maĭboroda, EA; Mikhaleva, II; Prudchenko, IA, 2011)
" The present study examined how the kidney and the brain of senescent (30-mo-old) female WAG/Rij rats respond to dehydration induced by 2 days of water deprivation in terms of urea transporter (UT) regulation."3.72Urea transporter expression in aging kidney and brain during dehydration. ( Corman, B; Geelen, G; Teillet, L; Trinh-Trang-Tan, MM, 2003)
" Unlike whole body C/EBPalpha-null mice, mice lacking hepatic C/EBPalpha expression did not exhibit hypoglycemia, nor did they show reduced hepatic glycogen in adult."3.72Disruption of hepatic C/EBPalpha results in impaired glucose tolerance and age-dependent hepatosteatosis. ( Gonzalez, FJ; Inoue, J; Inoue, Y; Lambert, G; Yim, SH, 2004)
"Juvenile visceral steatosis (JVS) mouse is an animal model of human primary carnitine deficiency caused by a mutation of the gene encoding carnitine transporter, and suffers from various symptoms, such as fatty liver, growth retardation, hyperammonemia, hypoglycemia, and cardiac hypertrophy."3.71Hyperammonemia in carnitine-deficient adult JVS mice used by starvation. ( Horiuchi, M; Jalil, A; Kobayashi, K; Li, XX; Saheki, T; Yoshida, G, 2002)
" Urea concentrations in amniotic and allantoic fluids progressively increased during the second half of pregnancy, indicating enhanced fetal protein metabolism."3.69Developmental changes of free amino acid concentrations in fetal fluids of pigs. ( Bazer, FW; Tou, W; Wu, G, 1995)
"Concentrations of electrolytes, lactate, urea, glucose, total lipids and total protein were measured in sweat obtained by thermal stimulation of apparently healthy volunteers."3.69Age dependent reference intervals of glucose, urea, protein, lactate and electrolytes in thermally induced sweat. ( al-Tamer, YY; Hadi, EA, 1994)
"Predominantly nuclear cataract was significantly associated with raised plasma alanine aminotransferase and bilirubin, posterior subcapsular cataract with increased calcium and urea, cuneiform with reduced potassium, mature/hypermature with raised potassium and reduced total carbon dioxide."3.69Some plasma constituents correlate with human cataract location and nuclear colour. ( Clayton, RM; Cuthbert, J; Donnelly, CA; Phillips, CI; Seth, J, 1997)
" Urea dilution was performed before slaughter, and urea space (US) was calculated as total volume and as a percentage of body weight (BW) and empty body weight (EBW)."3.69The use of urea dilution for estimation of carcass composition of Holstein steers at 3, 6, 9, and 12 months of age. ( Brandt, RT; Clarenburg, R; Harmon, DL; Kropf, DH; Morrill, JL; Preston, RL; Velazco, J, 1997)
"Plasma samples from 237 patients with osteoarthritis treated with 750 mg naproxen daily were obtained after four weeks of active therapy."3.68Naproxen free plasma concentrations and unbound fractions in patients with osteoarthritis: relation to age, sex, efficacy, and adverse events. ( Hundal, O; Husby, G; Rugstad, HE, 1991)
" The variables examined for rhythms by cosinor were: vital signs--blood pressure (systolic, diastolic, pulse pressure and mean arterial pressure), heart rate, intraocular pressure (left and right), oral temperature; serum components--albumin, albumin/globulin ratio, total bilirubin, calcium, carbon dioxide, chlorides, bilirubin, cholesterol, globulin, glucose, potassium, sodium, sodium/potassium ratio, transaminase, triglycerides, total protein, urea nitrogen; and urine components--calcium, calcium/magnesium ratio, creatinine, magnesium, pH, potassium, sodium, sodium/potassium ratio, urea clearance, urea nitrogen, volume and zinc."3.67Ten-year-replicated circadian profiles for 36 physiological, serological and urinary variables in healthy men. ( DeBartolo, M; Greco, J; Halberg, F; Kanabrocki, EL; Kaplan, E; McCormick, JB; Nemchausky, BA; Pauly, JE; Scheving, LE; Sothern, RB, 1988)
"Due to global aging, frailty and sarcopenia are increasing."1.62Reduced uremic metabolites are prominent feature of sarcopenia, distinct from antioxidative markers for frailty. ( Kameda, M; Kondoh, H; Teruya, T; Yanagida, M, 2021)
"Aging is a biological process that impacts multiple organs."1.62Treadmill Exercise Training Ameliorates Functional and Structural Age-Associated Kidney Changes in Male Albino Rats. ( Faried, MA; Salem, HR, 2021)
"The urea cycle is an ancient attribute that deals with ammonia excess in terrestrial species."1.62Acute hypoxia elevates arginase 2 and induces polyamine stress response in zebrafish via evolutionarily conserved mechanism. ( Banerjee, B; Karasik, D; Khrystoforova, I; Polis, B; Zvi, IB, 2021)
" It was performed right nephrectomy, stereological and morphometric analysis of the renal tissue (renal volume and weight, density of volume (Vv[glom]) and numerical density (Nv[glom]) of the renal glomeruli and average glomerular volume (Vol[glom])) and also it was evaluated the renal function for the dosage of serum creatinine and urea."1.43Quantitative analysis of the renal aging in rats. Stereological study. ( Fraga, Rd; Martins, EL; Melchioretto, EF; Veronez, DA; Zeni, M, 2016)
"Urea- and alkali-treated membranes from the nucleus had similar binding capacities for αA-crystallin, which were significantly higher than both cortical membrane extracts."1.37Understanding the α-crystallin cell membrane conjunction. ( Aquilina, JA; Friedrich, MG; McArthur, JD; Su, SP; Truscott, RJ, 2011)
"Hospitalization for exacerbation of COPD is associated with a high risk of mortality."1.37Predicting early mortality in acute exacerbation of chronic obstructive pulmonary disease using the CURB65 score. ( Chang, CL; Hancox, RJ; Karalus, NC; McLachlan, JD; Mills, GD; Sullivan, GD, 2011)
"The urea pool size was smaller (P <0."1.34Characteristics of developmental changes in the kinetics of glucose and urea in Japanese Black calves: comparison with Holstein calves. ( Hayashi, H; Katoh, K; Kushibiki, S; Obara, Y; Oda, S; Oshibe, A; Shingu, H; Touno, E, 2007)
"Ureagenesis was measured at 0, ."1.31Effects of triglyceride accumulation on induction of urea synthesis by glucagon and dexamethasone in monolayer cultures of bovine hepatocytes. ( Armentano, LE; Strang, BD; Zhu, LH, 2000)
"Urea transport was lower in neonatal than adult PCT at both 37 and 25 degrees C."1.31Ontogeny of rabbit proximal tubule urea permeability. ( Baum, M; Lisec, A; Quigley, R, 2001)
"Gentamicin (3 mg/kg, iv) was administered 24 hours after an endotoxin challenge (5 mg/kg, ip)."1.30Effect of endotoxin on gentamicin pharmacokinetics in old and young adult rats. ( Ali, BH; Bashir, AK; Tanira, MO, 1997)
"Bone resorption was assessed by the measurement of free deoxypyridinoline in 24 h urine."1.30Dietary sodium, an independent determinant for urinary deoxypyridinoline in elderly women. A cross-sectional study on the effect of dietary factors on deoxypyridinoline excretion in 24-h urine specimens from 763 free-living healthy Japanese. ( Itoh, R; Oguma, Y; Suyama, Y; Yokota, F, 1999)
"Urea kinetics were measured non-invasively in 12 Chilean schoolboys aged 8-10 years who were receiving one of two diets, either predominantly animal protein or predominantly vegetable protein."1.29Protein quality and urea kinetics in prepubertal Chilean schoolboys. ( Barrera, G; Bickerton, AS; Birch, R; Gattas, V; Jackson, AA; Persaud, C; Uauy, R, 1996)
"Urea synthesis is a specific process taking place in the liver; a reduced urea synthesis in response to a protein-rich metal has previously been demonstrated in the elderly, but the process has never been standardized in relation to amino acid supply."1.29Kinetics of hepatic amino-nitrogen conversion in ageing man. ( Bianchi, G; Bugianesi, E; Fabbri, A; Marchesini, G; Pisi, E; Zoli, M, 1994)
"Body weight was maximal for CB, distinctly higher than that of C30, which in turn were heavier than controls."1.29Long-term effects of cafeteria diet feeding on young Wistar rats. ( Alemany, M; Arola, L; Salvadó, J; Segués, T, 1994)
" Dose-response curves following noradrenergic stimulation were shifted to the right after 13 (but not after 180) days recovery."1.28Vascular calcium overload produced by administration of vitamin D3 and nicotine in rats. Changes in tissue calcium levels, blood pressure, and pressor responses to electrical stimulation or norepinephrine in vivo. ( Atkinson, J; Capdeville, C; Chillon, JM; Henrion, D; Hicks, PE; Martin, JA; Oster, L; Thorin, E; Thorin-Trescases, N, 1990)
"Nimodipine-treated as well as parathyroidectomied animals showed significantly fewer hypertensive cerebral lesions."1.28Therapy of diseased stroke-prone spontaneously hypertensive rats with nimodipine. ( Kazda, S; Lenz, P; Luckhaus, G; Stasch, JP, 1990)
" Such estimation of creatinine clearance is widely used as a parameter for individualization of dosage of drugs secreted primary via the kidneys."1.27[Development of urea, creatinine and creatinine clearance as a function of age and sex]. ( Carlier, J; Chapelle, JP; Deleixhe, A; El Allaf, D; El Allaf, M; Marchal, C, 1984)
" Although there was no excess of side effects in the elderly patients it is suggested that when naproxen is given to elderly patients, therapy should be started at the lower end of the dosage range."1.27Pharmacokinetics of naproxen in elderly patients. ( Lethbridge, J; Littler, T; Martin, N; McVerry, RM; Mukerjee, SK; Orme, ML; Sibeon, R; Tallis, R, 1986)

Research

Studies (254)

TimeframeStudies, this research(%)All Research%
pre-1990110 (43.31)18.7374
1990's55 (21.65)18.2507
2000's45 (17.72)29.6817
2010's34 (13.39)24.3611
2020's10 (3.94)2.80

Authors

AuthorsStudies
Kameda, M1
Teruya, T1
Yanagida, M1
Kondoh, H1
Salem, HR1
Faried, MA1
Banerjee, B1
Khrystoforova, I1
Polis, B1
Zvi, IB1
Karasik, D1
Wu, J1
Liu, J1
Lapenta, K1
Desrouleaux, R1
Li, MD1
Yang, X1
Wu, N3
Zhai, X3
Feng, M3
Li, J3
Yu, N3
Zhang, F3
Li, D3
Wang, J3
Zhang, L3
Shi, Y3
He, G3
Ji, G3
Liu, B3
Castro, A1
Signini, ÉF1
De Oliveira, JM1
Di Medeiros Leal, MCB1
Rehder-Santos, P1
Millan-Mattos, JC1
Minatel, V1
Pantoni, CBF1
Oliveira, RV1
Catai, AM1
Ferreira, AG1
Zhang, ZY1
Fang, JA1
Li, SF1
Hu, YL1
Liu, WY1
Liu, XJ1
García, GO1
Paterlini, CA1
Hernandez, MM1
Behotas, RT1
Favero, M1
Seco Pon, JP1
Alves, PC1
Santos, N1
López, J1
Waters, M1
Routh, A1
Rakotonanahary, TF1
Woolaver, L1
Thomasson, A1
Holmes, E1
Steinmetz, HW1
Taga, Y1
Tanaka, K1
Hamada, C1
Kusubata, M1
Ogawa-Goto, K1
Hattori, S1
Kirberger, RM1
Tordiffe, ASW1
Di Iorio, BR1
Marzocco, S1
Nardone, L1
Sirico, M1
De Simone, E1
Di Natale, G1
Di Micco, L1
Mamoshina, P2
Kochetov, K1
Putin, E2
Cortese, F1
Aliper, A2
Lee, WS1
Ahn, SM1
Uhn, L1
Skjodt, N1
Kovalchuk, O1
Scheibye-Knudsen, M1
Zhavoronkov, A2
Strutynska, NA1
Kotsiuruba, AV2
Budko, AY1
Mys, LA1
Sagach, VF2
Raeisi, S1
Ghorbanihaghjo, A1
Argani, H1
Dastmalchi, S1
Seifi, M1
Ghasemi, B1
Ghazizadeh, T1
Abbasi, MM1
Karimi, P1
El-Horany, HE1
Gaballah, HH1
Helal, DS1
Edson, D1
Field, H1
McMichael, L1
Mayer, D1
Martin, J1
Welbergen, J1
McLaughlin, A1
Huth, L1
Kristoffersen, J1
Tsoukalas, G1
Kirkland, P1
Allegri, G1
Deplazes, S1
Rimann, N1
Causton, B1
Scherer, T1
Leff, JW1
Diez-Fernandez, C1
Klimovskaia, A1
Fingerhut, R1
Krijt, J1
Kožich, V1
Nuoffer, JM1
Grisch-Chan, HM1
Thöny, B1
Häberle, J1
LeMoine, CM1
Walsh, PJ1
Palli, E1
Makris, D1
Papanikolaou, J1
Garoufalis, G1
Zakynthinos, E1
Dimitrijević, M2
Stanojević, S2
Vujić, V2
Aleksić, I2
Pilipović, I2
Leposavić, G2
von Hörsten, S1
Fedeli, D1
Carloni, M1
Nasuti, C1
Gambini, A1
Scocco, V1
Gabbianelli, R1
Timon, CM1
Astell, AJ1
Hwang, F1
Adlam, TD1
Smith, T1
Maclean, L1
Spurr, D1
Forster, SE1
Williams, EA1
Nascimento, CF1
Branco, RH1
Bonilha, SF1
Cyrillo, JN1
Negrão, JA1
Mercadante, ME1
Robles, NR1
Felix, FJ1
Lozano, L1
Miranda, I1
Fernandez-Berges, D1
Macías, JF1
Whiting, CC1
Siebert, J1
Newman, AM1
Du, HW1
Alizadeh, AA1
Goronzy, J1
Weyand, CM1
Krishnan, E1
Fathman, CG1
Maecker, HT1
Zimbudzi, E1
Samlero, R1
Kerr, PG1
Zoungas, S1
Korzinkin, M1
Moskalev, A1
Kolosov, A1
Ostrovskiy, A1
Cantor, C1
Vijg, J1
Seguel, M1
Muñoz, F1
Keenan, A1
Perez-Venegas, DJ1
DeRango, E1
Paves, H1
Gottdenker, N1
Müller, A1
Melchioretto, EF1
Zeni, M1
Veronez, DA1
Martins, EL1
Fraga, Rd1
Yeung, KR1
Chiu, CL1
Pears, S1
Heffernan, SJ1
Makris, A1
Hennessy, A1
Lind, JM1
Ali, BH2
Al-Moundhri, M1
Tageldin, M1
Al Husseini, IS1
Mansour, MA1
Nemmar, A1
Tanira, MO2
Amin, AS1
Abdoun, KA1
Abdelatif, AM1
Terré, M1
Tejero, C1
Bach, A1
Pritchard, JC1
Burn, CC1
Barr, AR1
Whay, HR1
Sullivan, TM1
Micke, GC1
Greer, RM1
Irving-Rodgers, HF1
Rodgers, RJ1
Perry, VE1
Watson, SL1
Watson, CJ1
Baghdoyan, HA1
Lydic, R1
Miyagawa, Y1
Takemura, N1
Hirose, H1
Chang, CL1
Sullivan, GD1
Karalus, NC1
Mills, GD1
McLachlan, JD1
Hancox, RJ1
Makhneva, AV1
Sviridkina, LP1
Toporova, SG1
Escribano, J1
Luque, V1
Ferre, N1
Zaragoza-Jordana, M1
Grote, V1
Koletzko, B2
Gruszfeld, D1
Socha, P1
Dain, E1
Van Hees, JN1
Verduci, E1
Closa-Monasterolo, R1
Zevit, N1
Niv, Y1
Shirin, H1
Shamir, R1
Bondarenko, TI1
Maĭboroda, EA1
Mikhaleva, II1
Prudchenko, IA1
López Gómez, JM1
Sacristán Enciso, B1
Micó, M1
Arias Meneses, F1
de Sande Medel, F1
Alejo, S1
Su, SP1
McArthur, JD1
Friedrich, MG1
Truscott, RJ1
Aquilina, JA1
Korkach, IuP1
Talanov, SO1
Basiliuk, OV1
Stepanenko, LG1
Holly, AC1
Melzer, D1
Pilling, LC1
Henley, W1
Hernandez, DG1
Singleton, AB1
Bandinelli, S1
Guralnik, JM1
Ferrucci, L1
Harries, LW1
Combet, S1
Geffroy, N1
Berthonaud, V1
Dick, B1
Teillet, L2
Verbavatz, JM1
Corman, B2
Trinh-Trang-Tan, MM2
Grzegorzewska, AE1
Leander, M1
Mariak, I1
Ishchenko, A1
Sinitsyna, O1
Krysanova, Z1
Vasyunina, EA1
Saparbaev, M1
Sidorkina, O1
Nevinsky, GA1
Li, XX1
Kobayashi, K2
Horiuchi, M2
Jalil, A1
Yoshida, G1
Saheki, T3
Iseki, K1
Iseki, C1
Itoh, K1
Sanefuji, M1
Uezono, K1
Ikemiya, Y1
Fukiyama, K1
Kawasaki, T1
Liu, P1
Smith, PF1
Appleton, I1
Darlington, CL1
Bilkey, DK1
Hirota, K1
Kushikata, T1
Kudo, M1
Kudo, T1
Smart, D1
Matsuki, A1
Daugirdas, JT1
Greene, T1
Depner, TA1
Chumlea, C1
Rocco, MJ1
Chertow, GM1
Geelen, G1
ELDEN, HR1
MARTINEZ, C1
BERTOLINI, AM1
QUARTODIPALO, FM1
HLAVACKOVA, V1
RAO, SS1
MEHTA, PD1
COOPER, SN1
Inoue, Y1
Inoue, J1
Lambert, G1
Yim, SH1
Gonzalez, FJ1
Rodríguez, P1
Tortosa, FS1
Millán, J1
Gortázar, C1
Jourdan, M2
Vaubourdolle, M1
Cynober, L2
Aussel, C2
Gutchess, AH1
Welsh, RC1
Hedden, T1
Bangert, A1
Minear, M1
Liu, LL1
Park, DC1
Kuskov, MV1
Afanas'ev, SA1
Repin, AN1
Potanina, VV1
Nassogne, MC1
Héron, B1
Touati, G1
Rabier, D1
Saudubray, JM1
Kashiwagi, K1
Shinkai, T1
Kajii, E1
Kashiwagi, A1
Mattay, VS1
Fera, F1
Tessitore, A1
Hariri, AR1
Berman, KF1
Das, S1
Meyer-Lindenberg, A1
Goldberg, TE1
Callicott, JH1
Weinberger, DR1
Hayashi, H2
Kawai, M1
Nonaka, I1
Terada, F1
Katoh, K2
Obara, Y2
Boger, HA1
Middaugh, LD1
Huang, P1
Zaman, V1
Smith, AC1
Hoffer, BJ1
Tomac, AC1
Granholm, AC1
Goy-Thollot, I1
Decosne-Junot, C1
Bonnet, JM1
Remer, T1
Berkemeyer, S1
Rylander, R1
Vormann, J1
Mohri, M1
Sharifi, K1
Eidi, S1
Woodard, JL1
Seidenberg, M1
Nielson, KA1
Miller, SK1
Franczak, M1
Antuono, P1
Douville, KL1
Rao, SM1
Shingu, H1
Touno, E1
Oshibe, A1
Kushibiki, S1
Oda, S1
Musch, W1
Verfaillie, L1
Decaux, G1
Kostyak, JC1
Kris-Etherton, P1
Bagshaw, D1
DeLany, JP1
Farrell, PA1
Moinard, C1
Blanc, MC1
Neveux, N1
De Bandt, JP1
Richards, MA1
Hoe, CM1
Charbonneau, R1
Roberge, A1
Berlinguet, L1
El Allaf, D1
Marchal, C1
El Allaf, M1
Chapelle, JP1
Deleixhe, A1
Carlier, J1
Kafetz, K1
Provoost, AP1
de Keijzer, MH1
Kort, WJ1
van Aken, M1
Weyma, IM1
Wolff, ED1
Molenaar, JC1
Berglund, B1
Oltner, R1
Hirate, J1
Watanabe, J1
Ozeki, S1
Shamsuzzaman, K1
Haard, NF1
Paik, WK1
Lew, B1
Farooqui, J1
Kim, S1
Menahan, LA1
Sobocinski, KA1
Austin, BP1
Nagasaki, T1
Lock, EA1
Ishmael, J1
Hook, JB1
Osanai, M2
Yonezawa, Y1
Kunes, J2
Jelínek, J2
Broughton Pipkin, F1
Smales, OR1
O'Callaghan, M1
Hiremath, LS1
Rothstein, M1
Wilson, RH1
Leibholz, J1
Gautier, C1
Vaillant, R1
Charrier, M1
Daguzan, J1
Snell, K2
Brebnor, L1
Phillips, E1
Balinsky, JB1
Kikuta, S1
Guilhermet, R1
Coroller, JY1
Toullec, R1
Malcolm, R1
O'Neil, PM1
Hirsch, AA1
Currey, HS1
Moskowitz, G1
Goodman, MN1
Larsen, PR1
Kaplan, MM1
Aoki, TT1
Young, VR4
Ruderman, NB1
Leeming, RJ1
Blair, JA1
Bengele, HH1
Mathias, RS1
Perkins, JH1
Alexander, EA1
Wu, G2
Bazer, FW1
Tou, W1
Brosh, A1
Aharoni, Y1
Levy, D1
Holzer, Z1
Pastoor, FJ1
Van 't Klooster, AT1
Mathot, JN1
Beynen, AC1
Fabbri, A2
Marchesini, G2
Bianchi, G1
Bugianesi, E2
Zoli, M2
Pisi, E2
Cowart, BJ1
Yokomukai, Y1
Beauchamp, GK1
Segués, T1
Salvadó, J1
Arola, L1
Alemany, M1
al-Tamer, YY1
Hadi, EA1
Nolph, KD1
Moore, HL1
Prowant, B1
Meyer, M1
Twardowski, ZJ1
Khanna, R1
Ponferrada, L1
Keshaviah, P1
Mura, CV1
Roh, S1
Smith, D1
Palmer, V1
Padhye, N1
Taylor, A1
Foulkes, EC1
Bergman, D1
Steinhardt, M2
Thielscher, HH2
Lehr, A1
Ihnen, B1
Szalony, S1
Ladewig, J1
Smidt, D1
Bickerton, AS1
Birch, R1
Jackson, AA1
Uauy, R1
Persaud, C1
Gattas, V1
Barrera, G1
Cole, NA1
Ortigues, I1
Martin, C1
Durand, D1
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Sommardahl, C1
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Milton, CT1
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Kuhl, GL1
Fligger, JM1
Gibson, CA1
Sordillo, LM1
Baumrucker, CR1
Seahorn, TL1
Beadle, RE1
McGorum, BC1
Marley, CL1
Linetsky, M1
Ranson, N1
Ortwerth, BJ2
Karlsland Akeson, PM1
Axelsson, IE1
Räihä, NC1
Navarro-Alarcón, M1
de la Serrana, HL1
Pérez-Valero, V1
López-Martínez, C1
Sandoval, SD1
Filho, JC1
Hazel, SJ1
Anderstam, B1
Bergström, J1
Lewitt, M1
Hall, K1
Itoh, R1
Suyama, Y1
Oguma, Y1
Yokota, F1
Kindermann, A1
Demmelmair, H1
Krauss-Etschmann, S1
Wiebecke, B1
Koletzko, S1
Hammon, HM1
Zanker, IA1
Blum, JW1
Wehrend, A1
Tschachtschal, J1
Bostedt, H1
Lip, GY1
Beevers, M1
Beevers, DG2
Pilotto, A1
Franceschi, M1
Leandro, G1
Rassu, M1
Zagari, RM1
Bozzola, L1
Furlan, F1
Bazzoli, F1
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Valerio, G1
Zhu, LH1
Strang, BD1
Armentano, LE1
Zomborszky-Kovács, M1
Vetési, F1
Kovács, F1
Bata, A1
Tóth, A1
Tornyos, G1
Toprakçi, M1
Ozmen, D1
Mutaf, I1
Turgan, N1
Parildar, Z1
Habif, S1
Güner, I1
Bayindir, O1
Mollica, MP1
Iossa, S1
Soboll, S1
Liverini, G1
Quigley, R1
Lisec, A1
Baum, M1
Barták, P1
Nakamoto, H1
Imai, H1
Kawanishi, H1
Nakamoto, M1
Minakuchi, J1
Kumon, S1
Watanabe, S1
Shiohira, Y1
Ishii, T1
Kawahara, T1
Suzuki, H1
Al Banchaabouchi, M1
Marescau, B1
Van Marck, E1
D'hooge, R1
De Deyn, PP1
Dehne, MG1
Sablotzki, A1
Mühling, J1
Dehne, KL1
Röhrig, R1
Hempelmann, G1
Munro, HN2
Wirl, G1
Moczar, M1
Allard, R1
Ouzilou, J1
Robert, L1
Bouissou, H1
Julian, M1
Pieraggi, MT1
Sugden, PH1
Holladay, LA1
Reimann, EM1
Corbin, JD1
Capek, K1
Stejskal, J1
Goldberg, M1
Genotelle-Septier, D1
Molon-Noblot, M1
Weill, R1
Savan, PM1
Jeacock, MK1
Shepherd, DA1
Ferriss, JB1
Brown, JJ1
Davies, DL1
Fraser, R1
Lever, AF1
Mason, P1
Neville, AM1
Robertson, JI1
Harrison, DE1
Archer, JR1
Brigham, KL1
Sundell, H1
Harris, TR1
Catterton, Z1
Kovar, I1
Stahlman, M1
Halkin, H1
Radomsky, M1
Millman, P1
Almog, S1
Blieden, L1
Boichis, H1
Tàmmaro, AE1
Bonaccorso, O1
Gemmellaro, P1
Moncini, S1
Noto, V1
Milner, JA1
Visek, WJ1
Metz, A1
Madörin, M1
Petignat, JL1
Deyssenroth, H1
Scheving, LE2
Pauly, JE2
Tsai, TH1
Steffee, WP1
Pencharz, PB1
Winterer, JC1
Scrimshaw, NS1
Konarska, L1
Tomaszewski, L1
Panksepp, J1
Di Salle, E1
Briatico, G1
Giudici, D1
Ornati, G1
Nesi, M1
Panzeri, A1
Cottam, YH1
Blair, HT1
Gallaher, BW1
Purchas, RW1
Breier, BH1
McCutcheon, SN1
Gluckman, PD1
Burlina, AB1
Ferrari, V1
Dionisi-Vici, C1
Bordugo, A1
Zacchello, F1
Tuchman, M1
Takasago, T1
Nakamura, K1
Kashiwagi, S1
Inoue, S1
Ito, H1
Takeo, K1
Tomomura, M1
Kuwajima, M1
Imamura, Y1
Koizumi, T1
Nikaido, H1
Hayakawa, J1
De Santo, NG1
Di Iorio, B1
Capasso, G1
Anastasio, P1
DiLeo, VA1
De Mercato, R1
Thorin, E1
Henrion, D1
Oster, L1
Thorin-Trescases, N1
Capdeville, C1
Martin, JA1
Chillon, JM1
Hicks, PE1
Atkinson, J1
Hundal, O1
Rugstad, HE1
Husby, G1
Pathak, JD1
Joshi, SV1
Kunkel, ME1
Beauchene, RE1
Tnakur, MK1
Kaur, J1
Yamada, E1
Wakabayashi, Y1
Gray, JA1
Kavlock, RJ1
Hjelte, L1
Larsson, M1
Alvestrand, A1
Malmborg, AS1
Strandvik, B1
Bianchi, GP1
Lolli, R1
Lenz, P1
Luckhaus, G1
Stasch, JP1
Kazda, S1
Schoebitz, K1
Garrido, O1
Heinrichs, M1
Speer, L1
Rodríguez, EM1
Mohan, PK1
Reddy, LV1
Satyanarayana, N1
Indira, K1
Olesen, PR1
Colombi, A1
Fischer-Nielsen, A1
Poulsen, HE1
Hansen, BA1
Tygstrup, N1
Keiding, S1
Abdelmalek, B1
Turney, JH1
Cooper, EH1
Kanabrocki, EL1
Sothern, RB1
Halberg, F1
Greco, J1
Nemchausky, BA1
DeBartolo, M1
Kaplan, E1
McCormick, JB1
Bräunlich, H1
Gwiasda, H1
Gwiasda, J1
Winnefeld, K1
Li, LK1
So, L1
McVerry, RM1
Lethbridge, J1
Martin, N1
Mukerjee, SK1
Littler, T1
Tallis, R1
Sibeon, R1
Orme, ML1
Swamy, MS1
Abraham, EC1
Baumeier, A1
Geissler, C1
Hoffmann, M1
Ulbrich, M1
Owen, RA1
Heywood, R1
Morris, JG1
Doreau, M1
Martin-Rosset, W1
Platt, D1
Mühlberg, W1
Rieck, W1
Nirmal Kumar, A1
Kalyankar, GD1
Kyle, ME1
Kocsis, JJ1
Kind, PR1
Gordon, M1
Laverick, M1
Nias, AH1
Slavin, BM1
Hill, GM1
Boling, JA1
Bradley, NW1
Gushiken, T1
Yoshimura, N1
Kmieć, Z1
Myśliwski, A1
Hopf, G1
Böcker, R1
Estler, CJ1
Obinata, T1
Boros-Farkas, M1
Everitt, AV2
Kannangara, CG1
Stumpf, PK1
Rickert, WS1
Forbes, WF1
Ratner, S1
Caird, FI1
Radha, E1
Schwarz, E2
van Bezooijen, KF1
de Leeuw-Israel, FR1
Hollander, CF1
Chang, CH1
Moog, F1
Svojtková, E1
Deyl, Z2
Adam, M2
Spelsberg, TC1
Mitchell, WM1
Chytil, F1
Wilson, EM1
O'Malley, BW1
van Stekelenburg, GJ1
Stoop, JW1
Krom, ML1
Vidnes, A1
Helgeland, L1
Walker, DG1
von Kügelgen, H1
Moss, BA1
Munson, PL1
Hirsch, PF1
Brewer, HB1
Reisfeld, RA1
Cooper, CW1
Wästhed, AB1
Orimo, H1
Potts, JT1
Gordon, P1
Schoenmakers, JG1
Gerding, JJ1
Bloemendal, H1
Forette, F1
Satoh, K1
Banga, I1
Juricová, M1
Rosmus, J1
Healy, PJ1
Koida, M1
Lai, CY1
Horecker, BL1
Zigman, S2
Schultz, J2
Yulo, T2
McFarlane, H1
Akinkugbe, OO1
Adejuwon, AC1
Oforofuo, IA1
Onayemi, OA1
Longe, O1
Ojo, OA1
Reddy, S1
Cristini, G1
Negroni, L1
Maresh, CG1
Kwan, TH1
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Shukla, SP1
Kanungo, MS1
Keating, FR1
Jones, JD1
Elveback, LR1
Randall, RV1
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Campbell, JR1

Clinical Trials (4)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
Non-Invasive Doppler Ultrasound For Assessing Patients With Chronic Obstructive Pulmonary Disease: A Prospective Observational Study[NCT02329522]200 participants (Anticipated)Observational2014-02-28Active, not recruiting
[NCT00005763]0 participants Observational1984-12-31Completed
Combining Vitamin E-functionalized CHOcolate With Physical Exercise to Reduce the risK Of Protein Energy Malnutrition in Pre-dementia AGEd People[NCT05343611]102 participants (Anticipated)Interventional2022-05-01Recruiting
ALFoNS - Growth and Metabolism in Infants Fed Protein-reduced, Alpha-lactalbumin Enriched Formula Compared to Breastfed Infants[NCT02410057]328 participants (Actual)Interventional2014-11-30Active, not recruiting
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Reviews

11 reviews available for urea and Aging

ArticleYear
Urea and impairment of the Gut-Kidney axis in Chronic Kidney Disease.
    Giornale italiano di nefrologia : organo ufficiale della Societa italiana di nefrologia, 2017, Dec-05, Volume: 34, Issue:Nov-Dec

    Topics: Aging; Animals; Diet, Mediterranean; Dietary Carbohydrates; Dietary Proteins; Disease Progression; D

2017
Comprehensive characterization of ureagenesis in the spf
    Journal of inherited metabolic disease, 2019, Volume: 42, Issue:6

    Topics: Age Factors; Aging; Ammonia; Animals; Disease Models, Animal; Humans; Hyperammonemia; Liver; Male; M

2019
Aging oppositely affects TNF-α and IL-10 production by macrophages from different rat strains.
    Biogerontology, 2014, Volume: 15, Issue:5

    Topics: Adaptive Immunity; Aging; Animals; Arginase; Dipeptidyl Peptidase 4; Female; Immunity, Innate; Inter

2014
[PHYSIOPATHOLOGICAL AND CLINICAL ASPECTS OF THERAPY IN THE AGED PATIENT].
    Giornale di gerontologia. Supplemento, 1964, Volume: 60

    Topics: Absorption; Aging; Blood; Cinnamates; Creatine; Creatinine; Drug Therapy; Geriatrics; Humans; Pharma

1964
Urea cycle defects: management and outcome.
    Journal of inherited metabolic disease, 2005, Volume: 28, Issue:3

    Topics: Adolescent; Adult; Aging; Child; Child, Preschool; Humans; Infant; Infant, Newborn; Metabolism, Inbo

2005
Renal impairment in the elderly: a review.
    Journal of the Royal Society of Medicine, 1983, Volume: 76, Issue:5

    Topics: Acute Kidney Injury; Aged; Aging; Creatinine; Dehydration; Female; Glomerular Filtration Rate; Heart

1983
Ntau-methylhistidine (3-methylhistidine) and muscle protein turnover: an overview.
    Federation proceedings, 1978, Volume: 37, Issue:9

    Topics: Aging; Amino Acids; Animals; Dietary Proteins; Energy Intake; Fractures, Bone; Histidine; Humans; Me

1978
Renal biochemistry in rheumatic disease.
    Bailliere's clinical rheumatology, 1988, Volume: 2, Issue:1

    Topics: Aging; Anti-Inflammatory Agents, Non-Steroidal; Biomechanical Phenomena; Blood Chemical Analysis; Cr

1988
Enzymes of arginine and urea synthesis.
    Advances in enzymology and related areas of molecular biology, 1973, Volume: 39

    Topics: Aging; Amino Acid Metabolism, Inborn Errors; Animals; Arginase; Arginine; Binding Sites; Carbamates;

1973
Thyrocalcitonin.
    Recent progress in hormone research, 1968, Volume: 24

    Topics: Aging; Amino Acids; Animals; Biological Assay; Bone and Bones; Calcitonin; Calcium; Chromatography,

1968
Molecular approaches to the drug enhancement of deteriorated functioning in the aged.
    Advances in gerontological research, 1971, Volume: 3

    Topics: 1-Propanol; Aging; Amino Alcohols; Amphetamine; Animals; Brain; Cognition; Deoxyribonucleases; DNA;

1971

Trials

4 trials available for urea and Aging

ArticleYear
Increased protein intake augments kidney volume and function in healthy infants.
    Kidney international, 2011, Volume: 79, Issue:7

    Topics: Age Factors; Aging; Analysis of Variance; Biomarkers; Body Height; Body Surface Area; Breast Feeding

2011
Effect of diet energy concentration and of age of Holstein-Friesian bull calves on growth rate, urea space and fat deposition, and ruminal volume.
    Journal of animal science, 1995, Volume: 73, Issue:6

    Topics: Aging; Animals; Body Composition; Body Weight; Breeding; Cattle; Diet; Dietary Proteins; Eating; Ene

1995
Protein and amino acid metabolism in three- to twelve-month-old infants fed human milk or formulas with varying protein concentrations.
    Journal of pediatric gastroenterology and nutrition, 1998, Volume: 26, Issue:3

    Topics: Aging; Amino Acids; Amino Acids, Branched-Chain; Amino Acids, Essential; Creatinine; Dietary Protein

1998
Synthesis of urea after a protein-rich meal in normal man in relation to ageing.
    Age and ageing, 1990, Volume: 19, Issue:1

    Topics: Age Factors; Aged; Aging; Clinical Trials as Topic; Dietary Proteins; Humans; Liver; Middle Aged; Ti

1990

Other Studies

239 other studies available for urea and Aging

ArticleYear
Reduced uremic metabolites are prominent feature of sarcopenia, distinct from antioxidative markers for frailty.
    Aging, 2021, 09-07, Volume: 13, Issue:17

    Topics: Aged; Aged, 80 and over; Aging; Antioxidants; Biomarkers; Citric Acid Cycle; Female; Frail Elderly;

2021
Treadmill Exercise Training Ameliorates Functional and Structural Age-Associated Kidney Changes in Male Albino Rats.
    TheScientificWorldJournal, 2021, Volume: 2021

    Topics: Aging; Animals; Antioxidants; Aquaporin 3; Beclin-1; Biomarkers; Body Weight; C-Reactive Protein; Cy

2021
Acute hypoxia elevates arginase 2 and induces polyamine stress response in zebrafish via evolutionarily conserved mechanism.
    Cellular and molecular life sciences : CMLS, 2021, Dec-16, Volume: 79, Issue:1

    Topics: Acute Disease; Aging; Animals; Arginase; Hypoxia; Ornithine Decarboxylase; Oxidative Stress; Urea; Z

2021
Regulation of the urea cycle by CPS1 O-GlcNAcylation in response to dietary restriction and aging.
    Journal of molecular cell biology, 2022, 07-05, Volume: 14, Issue:3

    Topics: Acetylglucosamine; Aging; Animals; Glycosylation; Liver; Mice; Protein Processing, Post-Translationa

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The gender-specific bidirectional relations between chronic diseases and total bilirubin/urea in the elderly population: A 3-year longitudinal study.
    Frontiers in public health, 2022, Volume: 10

    Topics: Aged; Aging; Bilirubin; Chronic Disease; Female; Humans; Longitudinal Studies; Male; Urea

2022
The Aging Process: A Metabolomics Perspective.
    Molecules (Basel, Switzerland), 2022, Dec-07, Volume: 27, Issue:24

    Topics: Adult; Aged; Aging; Aspartic Acid; Biomarkers; Female; Humans; Isoleucine; Leucine; Male; Metabolome

2022
[Effects of astragaloside IV on delaying kidney aging and its mechanisms].
    Zhongguo ying yong sheng li xue za zhi = Zhongguo yingyong shenglixue zazhi = Chinese journal of applied physiology, 2022, Volume: 38, Issue:5

    Topics: Aging; Animals; bcl-2-Associated X Protein; Interleukin-6; Kidney; Male; Proto-Oncogene Proteins c-b

2022
HEMATOLOGY AND PLASMA CHEMISTRY VALUES IN BEACHED MAGELLANIC PENGUIN (
    Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians, 2020, Jan-09, Volume: 50, Issue:4

    Topics: Aging; Alkaline Phosphatase; Animals; Animals, Wild; Antibodies, Heterophile; Argentina; Blood Gluco

2020
Sex and Age-Specific Hematology and Biochemistry Reference Intervals of Live Iberian Hares (Lepus granatensis) and Comparison with Postmortem Sampling.
    Journal of wildlife diseases, 2021, 01-06, Volume: 57, Issue:1

    Topics: Aging; Animals; Blood Glucose; Blood Proteins; Calcium; Chlorides; Cholesterol; Erythrocyte Count; E

2021
HEMATOLOGY AND PLASMA CHEMISTRY OF THE PLOUGHSHARE TORTOISE (ASTROCHELYS YNIPHORA) IN A CAPTIVE BREEDING PROGRAM.
    Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians, 2017, Volume: 48, Issue:1

    Topics: Aging; Animal Husbandry; Animals; Blood Cell Count; Breeding; Calcium; Endangered Species; Female; M

2017
Hydroxyhomocitrulline Is a Collagen-Specific Carbamylation Mark that Affects Cross-link Formation.
    Cell chemical biology, 2017, Oct-19, Volume: 24, Issue:10

    Topics: Aging; Animals; Biomechanical Phenomena; Citrulline; Collagen; Humans; Mice; Organ Specificity; Prot

2017
Ultrasonographically determined renal values and comparisons to serum biochemistry renal variables in aged semi-captive cheetahs (Acinonyx jubatus).
    BMC veterinary research, 2017, Nov-06, Volume: 13, Issue:1

    Topics: Acinonyx; Aging; Animals; Aorta; Creatinine; Female; Kidney; Lumbar Vertebrae; Male; Specific Gravit

2017
Population Specific Biomarkers of Human Aging: A Big Data Study Using South Korean, Canadian, and Eastern European Patient Populations.
    The journals of gerontology. Series A, Biological sciences and medical sciences, 2018, 10-08, Volume: 73, Issue:11

    Topics: Adult; Aged; Aged, 80 and over; Aging; Biomarkers; Blood Glucose; Canada; Cholesterol; Datasets as T

2018
MITOCHONDRIAL DYSFUNCTION IN THE AGING HEART IS ACCOMPANIED BY CONSTITUTIVE NO-SYNTHASES UNCOUPLING ON THE BACKGROUND OF OXIDATIVE AND NITROSATIVE STRESS.
    Fiziolohichnyi zhurnal (Kiev, Ukraine : 1994), 2016, Volume: 62, Issue:2

    Topics: Aging; Animals; Calcium; Calmodulin; Gene Expression Regulation, Developmental; Hydrogen Sulfide; Hy

2016
Oxidative stress-induced renal telomere shortening as a mechanism of cyclosporine-induced nephrotoxicity.
    Journal of biochemical and molecular toxicology, 2018, Volume: 32, Issue:8

    Topics: Aging; Animals; Biomarkers; Body Weight; Creatinine; Cyclosporine; Immunosuppressive Agents; Kidney;

2018
Berberine ameliorates renal injury in a rat model of D-galactose-induced aging through a PTEN/Akt-dependent mechanism.
    Archives of physiology and biochemistry, 2020, Volume: 126, Issue:2

    Topics: 8-Hydroxy-2'-Deoxyguanosine; Administration, Oral; Aging; Animals; Anti-Inflammatory Agents; Antioxi

2020
HEMATOLOGY, PLASMA BIOCHEMISTRY, AND URINALYSIS OF FREE-RANGING GREY-HEADED FLYING FOXES ( PTEROPUS POLIOCEPHALUS) IN AUSTRALIA.
    Journal of zoo and wildlife medicine : official publication of the American Association of Zoo Veterinarians, 2018, Volume: 49, Issue:3

    Topics: Aging; Alanine Transaminase; Alkaline Phosphatase; Animals; Animals, Wild; Aspartate Aminotransferas

2018
Ontogeny of ornithine-urea cycle gene expression in zebrafish (Danio rerio).
    American journal of physiology. Regulatory, integrative and comparative physiology, 2013, Jun-01, Volume: 304, Issue:11

    Topics: Aging; Ammonia; Animals; Base Sequence; Carbon-Nitrogen Ligases; Digoxigenin; Embryo, Nonmammalian;

2013
Contrast-induced nephropathy in aged critically ill patients.
    Oxidative medicine and cellular longevity, 2014, Volume: 2014

    Topics: Adult; Aging; Contrast Media; Creatinine; Critical Illness; Dinoprost; Female; Humans; Kidney Diseas

2014
Peritoneal exudate cells from long-lived rats exhibit increased IL-10/IL-1β expression ratio and preserved NO/urea ratio following LPS-stimulation in vitro.
    Age (Dordrecht, Netherlands), 2014, Volume: 36, Issue:4

    Topics: Aging; Animals; Ascitic Fluid; Cells, Cultured; Disease Models, Animal; Enzyme-Linked Immunosorbent

2014
Early life permethrin exposure leads to hypervitaminosis D, nitric oxide and catecholamines impairment.
    Pesticide biochemistry and physiology, 2013, Volume: 107, Issue:1

    Topics: Aging; Animals; Animals, Newborn; Calcium; Catecholamines; Female; Glucose; Hydrocortisone; Insectic

2013
The validation of a computer-based food record for older adults: the Novel Assessment of Nutrition and Ageing (NANA) method.
    The British journal of nutrition, 2015, Feb-28, Volume: 113, Issue:4

    Topics: Aged; Aged, 80 and over; Aging; Ascorbic Acid; Biomarkers; Computers; Diet; Diet Records; Dietary Pr

2015
Residual feed intake and blood variables in young Nellore cattle.
    Journal of animal science, 2015, Volume: 93, Issue:3

    Topics: Aging; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Cattle; Diet; Feeding Behav

2015
The H.U.G.E. Formula (Hematocrit, Urea, Sex) for Screening Chronic Kidney Disease (CKD) in an Age-Stratified General Population.
    The journal of nutrition, health & aging, 2015, Volume: 19, Issue:6

    Topics: Adult; Age Distribution; Age Factors; Aged; Aging; Albuminuria; Anthropometry; Cardiovascular Diseas

2015
Large-Scale and Comprehensive Immune Profiling and Functional Analysis of Normal Human Aging.
    PloS one, 2015, Volume: 10, Issue:7

    Topics: Adult; Aged; Aged, 80 and over; Aging; Area Under Curve; California; Chemokine CCL7; Cytokines; Fema

2015
How much is enough? An investigation of the relationship between haemodialysis adequacy and quality of life of elderly patients.
    Nephrology (Carlton, Vic.), 2016, Volume: 21, Issue:4

    Topics: Age Factors; Aged; Aged, 80 and over; Aging; Biomarkers; Comorbidity; Female; Hospitalization; Human

2016
Deep biomarkers of human aging: Application of deep neural networks to biomarker development.
    Aging, 2016, Volume: 8, Issue:5

    Topics: Aging; Alkaline Phosphatase; Biomarkers; Blood Glucose; Erythrocyte Count; Humans; Models, Biologica

2016
Hematology, Serum Chemistry, and Early Hematologic Changes in Free-Ranging South American Fur Seals ( Arctocephalus australis ) at Guafo Island, Chilean Patagonia.
    Journal of wildlife diseases, 2016, Volume: 52, Issue:3

    Topics: Aging; Alanine Transaminase; Alkaline Phosphatase; Animals; Aspartate Aminotransferases; Blood Prote

2016
Quantitative analysis of the renal aging in rats. Stereological study.
    Acta cirurgica brasileira, 2016, Volume: 31, Issue:5

    Topics: Aging; Animals; Creatinine; Evaluation Studies as Topic; Kidney; Kidney Glomerulus; Male; Organ Size

2016
A Cross-Sectional Study of Ageing and Cardiovascular Function over the Baboon Lifespan.
    PloS one, 2016, Volume: 11, Issue:7

    Topics: Age Factors; Aging; Animals; Blood Pressure; Cardiovascular Physiological Phenomena; Creatinine; Cro

2016
Ontogenic aspects of cisplatin-induced nephrotoxicity in rats.
    Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 2008, Volume: 46, Issue:11

    Topics: Age Factors; Aging; Animals; Antineoplastic Agents; Cisplatin; Creatinine; Glutathione; Injections,

2008
Seasonal variation in blood constituents of one-humped camel (Camelus dromedarius).
    Pakistan journal of biological sciences : PJBS, 2007, Apr-15, Volume: 10, Issue:8

    Topics: Aging; Animals; Blood Chemical Analysis; Blood Proteins; Camelus; Climate; Creatinine; Erythrocyte C

2007
Long-term effects on heifer performance of an enhanced-growth feeding programme applied during the preweaning period.
    The Journal of dairy research, 2009, Volume: 76, Issue:3

    Topics: Aging; Animals; Blood Glucose; Breeding; Cattle; Diet; Dietary Proteins; Fatty Acids, Nonesterified;

2009
Haematological and serum biochemical reference values for apparently healthy working horses in Pakistan.
    Research in veterinary science, 2009, Volume: 87, Issue:3

    Topics: Aging; Animals; Blood Cell Count; Blood Proteins; Body Composition; Creatinine; Female; Hematocrit;

2009
Dietary manipulation of Bos indicus x heifers during gestation affects the reproductive development of their heifer calves.
    Reproduction, fertility, and development, 2009, Volume: 21, Issue:6

    Topics: Aging; Animals; Animals, Newborn; Body Weight; Breeding; Cattle; Dietary Proteins; Female; Follicle

2009
Thermal nociception is decreased by hypocretin-1 and an adenosine A1 receptor agonist microinjected into the pontine reticular formation of Sprague Dawley rat.
    The journal of pain, 2010, Volume: 11, Issue:6

    Topics: Adenosine; Adenosine A1 Receptor Agonists; Aging; Animals; Benzoxazoles; Hot Temperature; Intracellu

2010
Assessments of factors that affect glomerular filtration rate and indirect markers of renal function in dogs and cats.
    The Journal of veterinary medical science, 2010, Volume: 72, Issue:9

    Topics: Aging; Animals; Biomarkers; Body Weight; Cat Diseases; Cats; Creatinine; Dog Diseases; Dogs; Glomeru

2010
Predicting early mortality in acute exacerbation of chronic obstructive pulmonary disease using the CURB65 score.
    Respirology (Carlton, Vic.), 2011, Volume: 16, Issue:1

    Topics: Adult; Aged; Aged, 80 and over; Aging; Blood Pressure; Confusion; Disease Progression; Female; Hospi

2011
[Role of endogenous intoxication in development of involutive and pathologic processes in patients of elderly and senile age with ischemic heart disease].
    Advances in gerontology = Uspekhi gerontologii, 2010, Volume: 23, Issue:3

    Topics: Aged; Aged, 80 and over; Aging; Blood Glucose; Female; Humans; L-Lactate Dehydrogenase; Male; Myocar

2010
Age and gender differences in urea breath test results.
    European journal of clinical investigation, 2011, Volume: 41, Issue:7

    Topics: Adolescent; Adult; Aged; Aged, 80 and over; Aging; Breath Tests; Carbon Isotopes; Child; Child, Pres

2011
[Mechanism of delta-sleep inducing peptide geroprotective activity].
    Advances in gerontology = Uspekhi gerontologii, 2011, Volume: 24, Issue:1

    Topics: Aging; Animals; Antioxidants; Body Weight; Brain; Ceruloplasmin; Delta Sleep-Inducing Peptide; Eryth

2011
Serum cystatin C and microalbuminuria in the detection of vascular and renal damage in early stages.
    Nefrologia : publicacion oficial de la Sociedad Espanola Nefrologia, 2011, Volume: 31, Issue:5

    Topics: Adult; Aged; Aged, 80 and over; Aging; Albuminuria; Biomarkers; Cardiovascular Diseases; Chronic Dis

2011
Understanding the α-crystallin cell membrane conjunction.
    Molecular vision, 2011, Volume: 17

    Topics: Aged; Aged, 80 and over; Aging; Alkalies; alpha-Crystallin A Chain; alpha-Crystallin B Chain; Animal

2011
[Arginase-nitric oxide synthase system changes due to adaptation to swimming in adult and aged rat hearts].
    Fiziolohichnyi zhurnal (Kiev, Ukraine : 1994), 2012, Volume: 58, Issue:1

    Topics: Adaptation, Physiological; Aging; Animals; Arginase; Blood Pressure; Diastole; Heart; Hydrogen Perox

2012
Towards a gene expression biomarker set for human biological age.
    Aging cell, 2013, Volume: 12, Issue:2

    Topics: Aged; Aged, 80 and over; Aging; Biomarkers; Gene Expression; Humans; Interleukin-6; Leukocytes, Mono

2013
Correction of age-related polyuria by dDAVP: molecular analysis of aquaporins and urea transporters.
    American journal of physiology. Renal physiology, 2003, Volume: 284, Issue:1

    Topics: Aging; Animals; Aquaporin 2; Aquaporin 3; Aquaporin 6; Aquaporins; Carrier Proteins; Corticosterone;

2003
Differences in peritoneal equilibration test results in patients aged above or below 60 years.
    Advances in peritoneal dialysis. Conference on Peritoneal Dialysis, 2002, Volume: 18

    Topics: Adult; Aging; Creatinine; Dialysis Solutions; Female; Glucose; Humans; Male; Middle Aged; Peritoneal

2002
Age-dependent increase of 8-oxoguanine-, hypoxanthine-, and uracil- DNA glycosylase activities in liver extracts from OXYS rats with inherited overgeneration of free radicals and Wistar rats.
    Medical science monitor : international medical journal of experimental and clinical research, 2003, Volume: 9, Issue:1

    Topics: Aging; Animals; Cell Nucleus; DNA Glycosylases; DNA-Formamidopyrimidine Glycosylase; Electrophoresis

2003
Hyperammonemia in carnitine-deficient adult JVS mice used by starvation.
    Metabolic brain disease, 2002, Volume: 17, Issue:4

    Topics: Aging; Amino Acids; Ammonia; Animals; Animals, Newborn; Carbamoyl-Phosphate Synthase (Ammonia); Carn

2002
Estimated protein intake and blood pressure in a screened cohort in Okinawa, Japan.
    Hypertension research : official journal of the Japanese Society of Hypertension, 2003, Volume: 26, Issue:4

    Topics: Adult; Aged; Aging; Blood Pressure; Cohort Studies; Diet; Dietary Proteins; Female; Humans; Japan; M

2003
Regional variations and age-related changes in nitric oxide synthase and arginase in the sub-regions of the hippocampus.
    Neuroscience, 2003, Volume: 119, Issue:3

    Topics: Aging; Animals; Arginase; Arginine; Dentate Gyrus; Down-Regulation; Hippocampus; Liver; Male; Memory

2003
Effects of central hypocretin-1 administration on hemodynamic responses in young-adult and middle-aged rats.
    Brain research, 2003, Aug-15, Volume: 981, Issue:1-2

    Topics: Aging; Animals; Benzoxazoles; Blood Gas Analysis; Blood Pressure; Carrier Proteins; Cerebral Cortex;

2003
Anthropometrically estimated total body water volumes are larger than modeled urea volume in chronic hemodialysis patients: effects of age, race, and gender.
    Kidney international, 2003, Volume: 64, Issue:3

    Topics: Aging; Anthropometry; Black or African American; Body Water; Female; Humans; Kidney Failure, Chronic

2003
Urea transporter expression in aging kidney and brain during dehydration.
    American journal of physiology. Regulatory, integrative and comparative physiology, 2003, Volume: 285, Issue:6

    Topics: Aging; Animals; Aquaporin 4; Aquaporins; Arginine Vasopressin; Brain; Dehydration; Female; Kidney Co

2003
AGING OF RAT TAIL TENDONS.
    Journal of gerontology, 1964, Volume: 19

    Topics: Aging; Biophysical Phenomena; Biophysics; Collagen; Connective Tissue; Equipment and Supplies; Rats;

1964
[ARGINASE ACTIVITY DURING THE EMBRYONIC DEVELOPMENT OF THE ALBINO RAT (RATTUS NORWEGICUS)].
    Biologica (Santiago, Chile), 1963, Volume: 35

    Topics: Aging; Amniotic Fluid; Arginase; Arginine; Blood; Brain; Embryo, Mammalian; Embryo, Nonmammalian; Fe

1963
THE ROLE OF MUCOPOLYSACCHARIDES IN THE MECHANISM OF CONTRACTION OF COLLAGEN FIBRES IN RATS OF VARIOUS AGE.
    Gerontologia, 1964, Volume: 69

    Topics: Aging; Collagen; Glycosaminoglycans; Hexosamines; Rats; Research; Urea

1964
ANTIGENIC RELATIONSHIP BETWEEN INSOLUBLE AND SOLUBLE LENS PROTEINS.
    Experimental eye research, 1965, Volume: 4

    Topics: Aging; Alkalies; Animals; Antigens; Biochemical Phenomena; Biochemistry; Cataract; Cattle; Crystalli

1965
Disruption of hepatic C/EBPalpha results in impaired glucose tolerance and age-dependent hepatosteatosis.
    The Journal of biological chemistry, 2004, Oct-22, Volume: 279, Issue:43

    Topics: Aging; Ammonia; Animals; Apolipoprotein B-100; Apolipoproteins B; Blotting, Northern; Blotting, West

2004
Plasma chemistry reference values from captive red-legged partridges (Alectoris rufa).
    British poultry science, 2004, Volume: 45, Issue:4

    Topics: Aging; Animals; Blood Glucose; Blood Proteins; Body Weight; Cholesterol; Creatinine; Female; Gallifo

2004
Effect of aging on liver functions-an experimental study in a perfused rat liver model.
    Experimental gerontology, 2004, Volume: 39, Issue:9

    Topics: Aging; Animals; Bile; Coloring Agents; Indocyanine Green; Liver; Liver Circulation; Male; Organ Cult

2004
Aging and the neural correlates of successful picture encoding: frontal activations compensate for decreased medial-temporal activity.
    Journal of cognitive neuroscience, 2005, Volume: 17, Issue:1

    Topics: Adult; Aged; Aging; Brain Mapping; Carbamide Peroxide; Drug Combinations; Female; Frontal Lobe; Func

2005
[Study of stability of lactate dehydrogenase isoenzymes in leucocytes of elderly people].
    Advances in gerontology = Uspekhi gerontologii, 2004, Volume: 15

    Topics: Adult; Aged; Aging; Enzyme Stability; Humans; Isoenzymes; L-Lactate Dehydrogenase; Leukocytes; Urea

2004
The effects of reactive oxygen species on amphibian aging.
    Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 2005, Volume: 140, Issue:2

    Topics: Aging; Amitrole; Animals; Antioxidants; Catalase; Female; Glutathione Peroxidase; Hydrogen Peroxide;

2005
Neurophysiological correlates of age-related changes in working memory capacity.
    Neuroscience letters, 2006, Jan-09, Volume: 392, Issue:1-2

    Topics: Adult; Age Factors; Aged; Aging; Carbamide Peroxide; Drug Combinations; Female; Humans; Magnetic Res

2006
Developmental changes in the kinetics of glucose and urea in Holstein calves.
    Journal of dairy science, 2006, Volume: 89, Issue:5

    Topics: Aging; Animals; Animals, Newborn; Blood Glucose; Carbon Isotopes; Cattle; Diet; Fatty Acids, Noneste

2006
A partial GDNF depletion leads to earlier age-related deterioration of motor function and tyrosine hydroxylase expression in the substantia nigra.
    Experimental neurology, 2006, Volume: 202, Issue:2

    Topics: Age Factors; Aging; Animals; Behavior, Animal; Body Weight; Cell Count; Creatinine; Enzyme-Linked Im

2006
Influence of aging on adrenal responsiveness in a population of eleven healthy beagles.
    Research in veterinary science, 2007, Volume: 82, Issue:2

    Topics: Adrenal Cortex; Adrenocorticotropic Hormone; Aging; Aldosterone; Animals; Blood Pressure; Creatinine

2007
Muscularity and adiposity in addition to net acid excretion as predictors of 24-h urinary pH in young adults and elderly.
    European journal of clinical nutrition, 2007, Volume: 61, Issue:5

    Topics: Adipose Tissue; Adolescent; Adult; Age Factors; Aged; Aging; Body Mass Index; Creatinine; Cross-Sect

2007
Hematology and serum biochemistry of Holstein dairy calves: age related changes and comparison with blood composition in adults.
    Research in veterinary science, 2007, Volume: 83, Issue:1

    Topics: Aging; Alkaline Phosphatase; Animals; Aspartate Aminotransferases; Bilirubin; Blood Glucose; Cattle;

2007
Temporally graded activation of neocortical regions in response to memories of different ages.
    Journal of cognitive neuroscience, 2007, Volume: 19, Issue:7

    Topics: Aged; Aging; Area Under Curve; Brain Mapping; Carbamide Peroxide; Drug Combinations; Female; Humans;

2007
Characteristics of developmental changes in the kinetics of glucose and urea in Japanese Black calves: comparison with Holstein calves.
    Journal of animal science, 2007, Volume: 85, Issue:11

    Topics: Aging; Animals; Animals, Newborn; Area Under Curve; Blood Glucose; Blood Urea Nitrogen; Breeding; Ca

2007
Age-related increase in plasma urea level and decrease in fractional urea excretion: clinical application in the syndrome of inappropriate secretion of antidiuretic hormone.
    Clinical journal of the American Society of Nephrology : CJASN, 2006, Volume: 1, Issue:5

    Topics: Adult; Age Distribution; Aged; Aged, 80 and over; Aging; Creatinine; Female; Humans; Inappropriate A

2006
Relative fat oxidation is higher in children than adults.
    Nutrition journal, 2007, Aug-16, Volume: 6

    Topics: Adult; Age Factors; Aging; Analysis of Variance; Blood Pressure; Calorimetry, Indirect; Child; Diet;

2007
Splanchnic sequestration of amino acids in aged rats: in vivo and ex vivo experiments using a model of isolated perfused liver.
    American journal of physiology. Regulatory, integrative and comparative physiology, 2008, Volume: 294, Issue:3

    Topics: Aging; Algorithms; Amino Acids; Animals; Body Weight; Coloring Agents; Diet; Dietary Proteins; Eatin

2008
A long-term study of renal disease in the dog.
    The Veterinary record, 1967, Jun-03, Volume: 80, Issue:22

    Topics: Acid-Base Equilibrium; Aging; Animals; Dog Diseases; Dogs; Female; Kidney; Male; Nephritis; Prognosi

1967
Variation with age of the enzymes of the urea cycle and aspartate transcarbamylase in rat liver.
    Canadian journal of biochemistry, 1967, Volume: 45, Issue:9

    Topics: Aging; Animals; Animals, Newborn; Arginase; Ligases; Liver; Lyases; Ornithine Carbamoyltransferase;

1967
[Development of urea, creatinine and creatinine clearance as a function of age and sex].
    Archives internationales de physiologie et de biochimie, 1984, Volume: 92, Issue:3

    Topics: Adult; Aged; Aging; Creatinine; Female; Humans; Male; Metabolic Clearance Rate; Middle Aged; Sex Fac

1984
The influence of the recipient upon renal function after isogeneic kidney transplantation in the rat.
    Transplantation, 1984, Volume: 37, Issue:1

    Topics: Aging; Animals; Body Weight; Creatinine; Glomerular Filtration Rate; Kidney; Kidney Transplantation;

1984
Blood levels of leukocytes, glucose, urea, creatinine, calcium, inorganic phosphorus and magnesium in dairy heifers from three months of age to calving.
    Zentralblatt fur Veterinarmedizin. Reihe A, 1983, Volume: 30, Issue:1

    Topics: Aging; Animals; Blood Glucose; Calcium; Cattle; Creatinine; Female; Leukocyte Count; Leukocytes; Mag

1983
The change of disposition kinetics for creatinine and urea accompanied by growth in mice.
    Journal of pharmacobio-dynamics, 1983, Volume: 6, Issue:5

    Topics: Aging; Animals; Autoradiography; Carbon Dioxide; Creatinine; Kinetics; Male; Mice; Tissue Distributi

1983
Purification and characterization of a chymosinlike protease from the gastric mucosa of harp seal (Pagophilus groenlandicus).
    Canadian journal of biochemistry and cell biology = Revue canadienne de biochimie et biologie cellulaire, 1984, Volume: 62, Issue:8

    Topics: Aging; Amino Acids; Animals; Aspartic Acid Endopeptidases; Caniformia; Chymosin; Endopeptidases; Gas

1984
Effect of developmental stage on arginase and urea production in the liver of rat.
    Biochemical medicine, 1984, Volume: 31, Issue:3

    Topics: Aging; Animals; Arginase; Body Weight; Brain; In Vitro Techniques; Liver; Male; Organ Size; Proteins

1984
The origin of plasma alkaline phosphatase activity in mice and rats.
    Comparative biochemistry and physiology. B, Comparative biochemistry, 1984, Volume: 79, Issue:2

    Topics: Aging; Alkaline Phosphatase; Animals; Eating; Fasting; Kinetics; Male; Mice; Rats; Rats, Inbred Stra

1984
[Ammonia metabolism during perinatal period--ontogenesis of enzymes in pyrimidine biosynthesis and urea cycle system].
    Nihon Sanka Fujinka Gakkai zasshi, 1984, Volume: 36, Issue:12

    Topics: Aging; Ammonia; Animals; Animals, Newborn; Aspartate Carbamoyltransferase; Carbamoyl-Phosphate Synth

1984
Nephrotoxicity of hexachloro-1,3-butadiene in the mouse: the effect of age, sex, strain, monooxygenase modifiers, and the role of glutathione.
    Toxicology and applied pharmacology, 1984, Mar-15, Volume: 72, Issue:3

    Topics: Acetylcysteine; Acute Kidney Injury; Aging; Animals; Butadienes; Female; Glutathione; Kidney Tubular

1984
Age-related changes in amino acid pool sizes in the adult silkmoth, Bombyx mori, reared at low and high temperature; a biochemical examination of the rate-of-living theory and urea accumulation when reared at high temperature.
    Experimental gerontology, 1984, Volume: 19, Issue:1

    Topics: Aging; Amino Acids; Animals; Arginase; Bombyx; Female; Longevity; Male; Sex Factors; Temperature; Ur

1984
Influence of age on saline hypertension in subtotal nephrectomized rats.
    Physiologia Bohemoslovaca, 1984, Volume: 33, Issue:2

    Topics: Aging; Animals; Hypertension, Renal; Kidney; Male; Nephrectomy; Rats; Rats, Inbred Strains; Regenera

1984
Renin and angiotensin levels in children.
    Archives of disease in childhood, 1981, Volume: 56, Issue:4

    Topics: Aging; Angiotensin II; Blood Pressure; Body Weight; Child; Child, Preschool; Female; Humans; Infant;

1981
The effect of aging on rat liver phosphoglycerate kinase and comparison with the muscle enzyme.
    Biochimica et biophysica acta, 1982, Jul-26, Volume: 705, Issue:2

    Topics: Aging; Amino Acid Sequence; Animals; Drug Stability; Enzyme Activation; Hot Temperature; Isoelectric

1982
Digestion in the pig between 7 and 35 d of age. 1. The performance of pigs given milk and soya-bean proteins.
    The British journal of nutrition, 1981, Volume: 45, Issue:2

    Topics: Aging; Amino Acids; Animals; Body Composition; Body Weight; Diet; Dietary Proteins; Digestion; Glyci

1981
Regulation of ornithine transcarbamylase activity in neonatal rat liver.
    Biochemical and biophysical research communications, 1981, Jan-15, Volume: 98, Issue:1

    Topics: Aging; Animals; Animals, Newborn; Citrulline; Dactinomycin; Female; Fetus; Glucose; Liver; Ornithine

1981
[Nitrogen excretion of Helix aspersa Müller (Mollusca Gastropoda Pulmonata)].
    Annales de la nutrition et de l'alimentation, 1980, Volume: 34, Issue:4

    Topics: Aging; Ammonia; Animals; Helix, Snails; Nitrogen; Seasons; Urate Oxidase; Urea; Urease; Uric Acid

1980
Regulation of protein metabolism during postnatal development.
    Biochemical Society transactions, 1981, Volume: 9, Issue:5

    Topics: Aging; Amino Acids; Animals; Gluconeogenesis; Liver; Mitochondria, Liver; Proteins; Rats; Urea

1981
Control of urea cycle enzymes in rat liver by glucagon.
    Enzyme, 1981, Volume: 26, Issue:5

    Topics: Aging; Animals; Arginase; Argininosuccinate Lyase; Argininosuccinate Synthase; Carbamoyl-Phosphate S

1981
Age-related changes in amino acid pool sizes in the adult silkworm, bombyx mori.
    Experimental gerontology, 1981, Volume: 16, Issue:6

    Topics: Age Factors; Aging; Amino Acids; Animals; Bombyx; Female; Male; Ninhydrin; Sex Factors; Urea

1981
[The effect of postruminal supplementation of energy or energy and proteins on feed intake in the ruminant calf].
    Reproduction, nutrition, developpement, 1980, Volume: 20, Issue:5B

    Topics: Aging; Animal Feed; Animals; Blood Glucose; Cattle; Diet; Dietary Proteins; Eating; Energy Intake; M

1980
Taste hedonics and thresholds in obesity.
    International journal of obesity, 1980, Volume: 4, Issue:3

    Topics: Adolescent; Adult; Aging; Female; Humans; Hydrochloric Acid; Obesity; Osmolar Concentration; Sodium

1980
Starvation in the rat. II. Effect of age and obesity on protein sparing and fuel metabolism.
    The American journal of physiology, 1980, Volume: 239, Issue:4

    Topics: Aging; Amino Acids; Animals; Blood Glucose; Energy Metabolism; Fatty Acids, Nonesterified; Hormones;

1980
The effects of pathological and normal physiological processes on biopterin derivative levels in man.
    Clinica chimica acta; international journal of clinical chemistry, 1980, Nov-20, Volume: 108, Issue:1

    Topics: Adolescent; Adult; Aged; Aging; Biopterins; Brain Chemistry; Child; Child, Preschool; Contraceptives

1980
Urinary concentrating defect in the aged rat.
    The American journal of physiology, 1981, Volume: 240, Issue:2

    Topics: Absorption; Aging; Animals; Body Water; Dehydration; Glomerular Filtration Rate; Kidney; Kidney Conc

1981
Developmental changes of free amino acid concentrations in fetal fluids of pigs.
    The Journal of nutrition, 1995, Volume: 125, Issue:11

    Topics: Aging; Allantois; Amino Acids; Ammonia; Amniotic Fluid; Animals; Arginine; Female; Fetal Blood; Gest

1995
Increasing phosphorus intake reduces urinary concentrations of magnesium and calcium in adult ovariectomized cats fed purified diets.
    The Journal of nutrition, 1995, Volume: 125, Issue:5

    Topics: Absorption; Aging; Alkaline Phosphatase; Animals; Calcium; Cats; Creatinine; Cross-Over Studies; Eat

1995
Kinetics of hepatic amino-nitrogen conversion in ageing man.
    Liver, 1994, Volume: 14, Issue:6

    Topics: Aged; Aging; Alanine; Amino Acids; Female; Humans; Liver; Male; Middle Aged; Nitrogen; Sex Factors;

1994
Bitter taste in aging: compound-specific decline in sensitivity.
    Physiology & behavior, 1994, Volume: 56, Issue:6

    Topics: Adolescent; Adult; Aged; Aged, 80 and over; Aging; Female; Humans; Male; Quinine; Taste; Taste Thres

1994
Long-term effects of cafeteria diet feeding on young Wistar rats.
    Biochemistry and molecular biology international, 1994, Volume: 33, Issue:2

    Topics: 3-Hydroxybutyric Acid; Aging; Animals; Blood Glucose; Body Weight; Diet; Female; Glycerol; Hydroxybu

1994
Age dependent reference intervals of glucose, urea, protein, lactate and electrolytes in thermally induced sweat.
    European journal of clinical chemistry and clinical biochemistry : journal of the Forum of European Clinical Chemistry Societies, 1994, Volume: 32, Issue:2

    Topics: Adolescent; Adult; Aging; Child; Electrolytes; Female; Glucose; Hot Temperature; Humans; Lactates; M

1994
Age and indices of adequacy and nutrition in CAPD patients.
    Advances in peritoneal dialysis. Conference on Peritoneal Dialysis, 1993, Volume: 9

    Topics: Adult; Aged; Aging; Creatinine; Dietary Proteins; Female; Humans; Male; Middle Aged; Nutritional Sta

1993
Cataract incidence and analysis of lens crystallins in the water-, urea- and SDS-soluble fractions of Emory mice fed a diet restricted by 40% in calories.
    Current eye research, 1993, Volume: 12, Issue:12

    Topics: Aging; Animals; Cataract; Crystallins; Diet; Electrophoresis, Polyacrylamide Gel; Energy Intake; Ene

1993
Inorganic mercury absorption in mature and immature rat jejunum: transcellular and intercellular pathways in vivo and in everted sacs.
    Toxicology and applied pharmacology, 1993, Volume: 120, Issue:1

    Topics: 4-Acetamido-4'-isothiocyanatostilbene-2,2'-disulfonic Acid; 4,4'-Diisothiocyanostilbene-2,2'-Disulfo

1993
[Clinical chemical and hematological blood values and adaptation reactions in suckling calves in the first weeks of life].
    DTW. Deutsche tierarztliche Wochenschrift, 1995, Volume: 102, Issue:10

    Topics: Acclimatization; Aging; Animals; Animals, Newborn; Animals, Suckling; Blood Chemical Analysis; Blood

1995
Protein quality and urea kinetics in prepubertal Chilean schoolboys.
    International journal of food sciences and nutrition, 1996, Volume: 47, Issue:1

    Topics: Aging; Blood Urea Nitrogen; Body Height; Body Weight; Child; Chile; Dietary Proteins; Humans; Hydrol

1996
Metabolic changes and nutrient repletion in lambs provided with electrolyte solutions before and after feed and water deprivation.
    Journal of animal science, 1996, Volume: 74, Issue:2

    Topics: Absorption; Aging; Amino Acids; Animals; Copper; Electrolytes; Energy Metabolism; Food Deprivation;

1996
Circadian changes in net nutrient fluxes across the portal-drained viscera, the liver, and the hindquarters in preruminant calves.
    Journal of animal science, 1996, Volume: 74, Issue:4

    Topics: Aging; Animals; Blood Glucose; Cattle; Circadian Rhythm; Fatty Acids, Nonesterified; Glucose; Hindli

1996
Inverse relation of dietary protein markers with blood pressure. Findings for 10,020 men and women in the INTERSALT Study. INTERSALT Cooperative Research Group. INTERnational study of SALT and blood pressure.
    Circulation, 1996, Oct-01, Volume: 94, Issue:7

    Topics: Adult; Aging; Biomarkers; Blood Pressure; Circadian Rhythm; Cross-Sectional Studies; Diastole; Dieta

1996
Aging of the liver: age-associated mitochondrial damage in intact hepatocytes.
    Hepatology (Baltimore, Md.), 1996, Volume: 24, Issue:5

    Topics: Aging; Animals; Gluconeogenesis; Liver; Malates; Male; Membrane Lipids; Membrane Potentials; Mitocho

1996
Relationship between cold-induced thermoregulation and spontaneous rapid body weight loss of aging F344 rats.
    The American journal of physiology, 1996, Volume: 271, Issue:5 Pt 2

    Topics: Adipose Tissue, Brown; Aging; Albuminuria; Animals; Body Composition; Body Temperature; Body Tempera

1996
The use of urea dilution for estimation of carcass composition of Holstein steers at 3, 6, 9, and 12 months of age.
    Journal of animal science, 1997, Volume: 75, Issue:1

    Topics: Aging; Animals; Body Composition; Body Water; Body Weight; Cattle; Linear Models; Lipid Metabolism;

1997
Effect of endotoxin on gentamicin pharmacokinetics in old and young adult rats.
    Life sciences, 1997, Volume: 60, Issue:6

    Topics: Aging; Animals; Anti-Bacterial Agents; Blood Glucose; Blood Proteins; Body Weight; Creatinine; Eatin

1997
Isoelectric focusing of crystallins in microsections of calf and adult bovine lens. Identification of water-insoluble crystallins complexing under nondenaturing conditions: demonstration of chaperone activity of alpha-crystallin.
    Ophthalmic research, 1996, Volume: 28, Issue:6

    Topics: Aging; Animals; Cattle; Crystallins; Electrophoresis, Polyacrylamide Gel; Formamides; Frozen Section

1996
Effects on calves less than one month old of feeding or not feeding them during road transport of up to 24 hours.
    The Veterinary record, 1997, Feb-01, Volume: 140, Issue:5

    Topics: Adaptation, Biological; Aging; Analysis of Variance; Animal Welfare; Animals; Animals, Newborn; Beha

1997
Serum analytes in the Tammar wallaby, Macropus eugenii.
    Australian veterinary journal, 1997, Volume: 75, Issue:2

    Topics: Aging; Ammonia; Animals; Australia; Blood Glucose; Blood Proteins; Calcium; Chlorides; Creatinine; E

1997
The effect of feeding piglets up to the 100th day of their life with peat preparation on their growth and physiological and biochemical indices.
    Archivum veterinarium Polonicum, 1995, Volume: 35, Issue:1-2

    Topics: Aging; Alanine Transaminase; Animals; Animals, Newborn; Aspartate Aminotransferases; Body Weight; Ca

1995
Glucocorticoids play an important role in mediating the enhanced metabolism of arginine and glutamine in enterocytes of postweaning pigs.
    The Journal of nutrition, 1997, Volume: 127, Issue:5

    Topics: Aging; Ammonia; Animals; Arginase; Arginine; Argininosuccinate Lyase; Argininosuccinate Synthase; Ca

1997
Sex- or age-related differences were not detected in the activity of dihydropyrimidine dehydrogenase from rat liver.
    Pharmacological research, 1997, Volume: 35, Issue:2

    Topics: Aging; Animals; Body Weight; Dihydrouracil Dehydrogenase (NADP); Female; Fluorouracil; Liver; Male;

1997
Urinary diagnostic indices in calves.
    Journal of the American Veterinary Medical Association, 1997, Jul-15, Volume: 211, Issue:2

    Topics: Aging; Animals; Animals, Newborn; Animals, Suckling; Blood Urea Nitrogen; Cattle; Cattle Diseases; C

1997
Responses of circulating urea cycle and branched-chain amino acids to feeding in adult and aged Fischer-344 rats.
    Aging (Milan, Italy), 1997, Volume: 9, Issue:3

    Topics: Aging; Amino Acids; Amino Acids, Branched-Chain; Animals; Fasting; Male; Rats; Rats, Inbred F344; Ur

1997
Some plasma constituents correlate with human cataract location and nuclear colour.
    Ophthalmic research, 1997, Volume: 29, Issue:4

    Topics: Aged; Aging; Blood Glucose; Blood Proteins; Calcium; Case-Control Studies; Cataract; Female; Humans;

1997
Effect of degradable and escape protein and roughage type on performance and carcass characteristics of finishing yearling steers.
    Journal of animal science, 1997, Volume: 75, Issue:11

    Topics: Aging; Animal Feed; Animals; Body Composition; Cattle; Dietary Fiber; Dietary Proteins; Dietary Supp

1997
Arginine supplementation increases weight gain, depresses antibody production, and alters circulating leukocyte profiles in preruminant calves without affecting plasma growth hormone concentrations.
    Journal of animal science, 1997, Volume: 75, Issue:11

    Topics: Aging; Animals; Animals, Newborn; Antibody Formation; Arginine; Cattle; Diet; Dietary Supplements; G

1997
Quantification of antigen-specific antibody concentrations in tracheal lavage fluid of horses with summer pasture-associated obstructive pulmonary disease.
    American journal of veterinary research, 1997, Volume: 58, Issue:12

    Topics: Aging; Animals; Antibodies; Antibody Specificity; Female; Horse Diseases; Horses; Immunoglobulin E;

1997
The aggregation in human lens proteins blocks the scavenging of UVA-generated singlet oxygen by ascorbic acid and glutathione.
    Archives of biochemistry and biophysics, 1998, Mar-15, Volume: 351, Issue:2

    Topics: Aging; Antioxidants; Ascorbic Acid; Crystallins; Cysteine; Fluorescence; Free Radical Scavengers; Gl

1998
Serum selenium levels as indicators of body status in cancer patients and their relationship with other nutritional and biochemical markers.
    The Science of the total environment, 1998, Apr-08, Volume: 212, Issue:2-3

    Topics: Adult; Aged; Aged, 80 and over; Aging; Alanine Transaminase; Aspartate Aminotransferases; Biomarkers

1998
Supervised nightguard vital bleaching.
    Dental assistant (Chicago, Ill. : 1994), 1993, Volume: 62, Issue:1

    Topics: Aging; Carbamide Peroxide; Contraindications; Dental Devices, Home Care; Drug Combinations; Esthetic

1993
Effect of protein intake on plasma and erythrocyte free amino acids and serum IGF-I and IGFBP-1 levels in rats.
    The American journal of physiology, 1999, Volume: 277, Issue:4

    Topics: Aging; Amino Acids; Animals; Dietary Proteins; Erythrocytes; Female; Insulin; Insulin-Like Growth Fa

1999
Dietary sodium, an independent determinant for urinary deoxypyridinoline in elderly women. A cross-sectional study on the effect of dietary factors on deoxypyridinoline excretion in 24-h urine specimens from 763 free-living healthy Japanese.
    European journal of clinical nutrition, 1999, Volume: 53, Issue:11

    Topics: Adult; Aged; Aging; Amino Acids; Analysis of Variance; Bone Resorption; Calcium; Calcium, Dietary; C

1999
Influence of age on 13C-urea breath test results in children.
    Journal of pediatric gastroenterology and nutrition, 2000, Volume: 30, Issue:1

    Topics: Adolescent; Aging; Biopsy; Breath Tests; Carbon Isotopes; Child; Child, Preschool; Helicobacter Infe

2000
Delayed colostrum feeding affects IGF-I and insulin plasma concentrations in neonatal calves.
    Journal of dairy science, 2000, Volume: 83, Issue:1

    Topics: Aging; Animal Nutritional Physiological Phenomena; Animals; Animals, Newborn; Blood Glucose; Blood P

2000
[Quality of development and adaptation reactions of dairy calves at specific age periods in early life. Effect of rearing variations on proteins and minerals and on metabolic variables of blood].
    DTW. Deutsche tierarztliche Wochenschrift, 1999, Volume: 106, Issue:12

    Topics: Aging; Animal Husbandry; Animals; Animals, Newborn; Blood Chemical Analysis; Blood Glucose; Blood Pr

1999
[Fluctuations of urea, cholesterol and triglyceride concentrations in plasma of clinically health piglets during the first four weeks of life].
    DTW. Deutsche tierarztliche Wochenschrift, 1999, Volume: 106, Issue:12

    Topics: Aging; Animals; Animals, Newborn; Cholesterol; Reference Values; Swine; Triglycerides; Urea

1999
Serum urate is associated with baseline renal dysfunction but not survival or deterioration in renal function in malignant phase hypertension.
    Journal of hypertension, 2000, Volume: 18, Issue:1

    Topics: Aged; Aging; Blood Pressure; Cause of Death; Creatinine; Female; Follow-Up Studies; Humans; Hyperten

2000
Noninvasive diagnosis of Helicobacter pylori infection in older subjects: comparison of the 13C-urea breath test with serology.
    The journals of gerontology. Series A, Biological sciences and medical sciences, 2000, Volume: 55, Issue:3

    Topics: Aged; Aged, 80 and over; Aging; Antibodies, Bacterial; Breath Tests; Carbon Isotopes; Female; Geriat

2000
Effects of triglyceride accumulation on induction of urea synthesis by glucagon and dexamethasone in monolayer cultures of bovine hepatocytes.
    Journal of animal science, 2000, Volume: 78, Issue:6

    Topics: Aging; Ammonium Chloride; Animals; Arginase; Cattle; Cells, Cultured; Dexamethasone; Fatty Acids, No

2000
Preliminary communication: examination of the harmful effect to fetuses of fumonisin B(1) in pregnant sows.
    Teratogenesis, carcinogenesis, and mutagenesis, 2000, Volume: 20, Issue:5

    Topics: Aging; Animals; Animals, Newborn; Blood Proteins; Carboxylic Acids; Cholesterol; Enzymes; Female; Fu

2000
Age-associated changes in nitric oxide metabolites nitrite and nitrate.
    International journal of clinical & laboratory research, 2000, Volume: 30, Issue:2

    Topics: Adolescent; Adult; Aging; Arteriosclerosis; Child; Cholesterol; Creatinine; Endothelium, Vascular; H

2000
Acetyl-L-carnitine treatment stimulates oxygen consumption and biosynthetic function in perfused liver of young and old rats.
    Cellular and molecular life sciences : CMLS, 2001, Volume: 58, Issue:3

    Topics: Acetyl-CoA C-Acyltransferase; Acetylcarnitine; Aging; Animals; Glucose; Keto Acids; Liver; Male; Mit

2001
Ontogeny of rabbit proximal tubule urea permeability.
    American journal of physiology. Regulatory, integrative and comparative physiology, 2001, Volume: 280, Issue:6

    Topics: Aging; Animals; Animals, Newborn; Biological Transport; Intracellular Membranes; Kidney Tubules, Pro

2001
[The epidermal permeability barrier and its function in immune reactions].
    Casopis lekaru ceskych, 2001, Volume: 140, Issue:9

    Topics: Aging; Apoptosis; Ceramides; Epidermal Cells; Epidermis; Humans; Keratinocytes; Serine Endopeptidase

2001
Low serum albumin in elderly continuous ambulatory peritoneal dialysis patients is attributable to high permeability of peritoneum.
    Advances in peritoneal dialysis. Conference on Peritoneal Dialysis, 2001, Volume: 17

    Topics: Adult; Aged; Aged, 80 and over; Aging; Biological Transport; Blood Proteins; Body Water; Creatinine;

2001
Long-term effect of partial nephrectomy on biological parameters, kidney histology, and guanidino compound levels in mice.
    Metabolism: clinical and experimental, 2001, Volume: 50, Issue:12

    Topics: Aging; Animals; Arginine; Brain Chemistry; Creatinine; Glycine; Guanidines; Homoarginine; Humans; Hy

2001
Renal effects of cardiopulmonary bypass in the elderly.
    Perfusion, 2002, Volume: 17, Issue:3

    Topics: Acetylglucosaminidase; Aged; Aging; Cardiopulmonary Bypass; Creatinine; Diuresis; Humans; Immunoglob

2002
Urinary excretion of N gamma-methylihistidine (3-methylihistidine): a tool to study metabolic responses in relation to nutrient and hormonal status in health and disease of man.
    The American journal of clinical nutrition, 1978, Volume: 31, Issue:9

    Topics: Adrenal Glands; Adult; Aged; Aging; Animals; Diet, Vegetarian; Dietary Proteins; Feces; Female; Frac

1978
Extraction of collagenase from the 6000 times g sediment of uterine and skin tissues of mice. A comparative study.
    Hoppe-Seyler's Zeitschrift fur physiologische Chemie, 1975, Volume: 356, Issue:8

    Topics: Aging; Animals; Deoxycholic Acid; Female; Mice; Microbial Collagenase; Organ Specificity; Osmolar Co

1975
[Structural and biochemical alterations of human diabetic dermis studied by H-lysine incorporation and microscopy].
    Pathologie-biologie, 1976, Volume: 24, Issue:5

    Topics: Adolescent; Adult; Aging; Biopsy; Buffers; Calcium Chloride; Child; Collagen; Cytoplasm; Diabetes Me

1976
Purification and characterization of the catalytic subunit of adenosine 3':5'-cyclic monophosphate-dependent protein kinase from bovine liver.
    The Biochemical journal, 1976, Volume: 159, Issue:2

    Topics: Adenosine Triphosphate; Aging; Amino Acids; Animals; Centrifugation, Density Gradient; Chromatograph

1976
Age-dependent difference of kidney response to temporary ischaemia in the rat.
    Clinical science and molecular medicine, 1978, Volume: 55, Issue:4

    Topics: Aging; Animals; Blood Pressure; Electron Transport Complex IV; Ischemia; Kidney; Male; Organ Size; R

1978
[Late development of human dental enamel].
    Journal de biologie buccale, 1979, Volume: 7, Issue:4

    Topics: Acid Etching, Dental; Adolescent; Aged; Aging; Child; Dental Enamel; Dental Enamel Solubility; Human

1979
The fate of amino acids in isolated perfused livers of developing sheep.
    The British journal of nutrition, 1979, Volume: 42, Issue:3

    Topics: Aging; Amino Acids; Animals; Animals, Suckling; Female; Glucagon; Liver; Nitrogen; Oxidation-Reducti

1979
Clinical, biochemical and pathological features of low-renin ("primary") hyperaldosteronism.
    American heart journal, 1978, Volume: 95, Issue:3

    Topics: 18-Hydroxydesoxycorticosterone; Adenoma; Adolescent; Adrenal Cortex Neoplasms; Adrenal Glands; Adult

1978
Measurement of changes in mouse tail collagen with age: temperature dependence and procedural details.
    Experimental gerontology, 1978, Volume: 13, Issue:1-2

    Topics: Aging; Animals; Biophysics; Collagen; Male; Mice; Mice, Inbred Strains; Tail; Temperature; Tendons;

1978
Lung water and vascular permeability in sheep. Newborns compared with adults.
    Circulation research, 1978, Volume: 42, Issue:6

    Topics: Aging; Animals; Animals, Newborn; Body Weight; Capillary Permeability; Carbon Radioisotopes; Lung; O

1978
Steady state serum concentrations and renal clearance of digoxin in neonates, infants and children.
    European journal of clinical pharmacology, 1978, May-17, Volume: 13, Issue:2

    Topics: Aging; Child, Preschool; Creatinine; Digoxin; Electrocardiography; Humans; Infant; Infant, Newborn;

1978
[Hemochemical data in the function study of the senile kidney].
    Minerva medica, 1978, Apr-14, Volume: 69, Issue:18

    Topics: Aged; Aging; Creatinine; Female; Humans; Kidney Function Tests; Male; Sex Factors; Urea

1978
Orotic aciduria in the female rat and its relation to dietary arginine.
    The Journal of nutrition, 1978, Volume: 108, Issue:8

    Topics: Aging; Ammonia; Animals; Arginine; Birth Weight; Body Weight; Citrates; Female; Litter Size; Orotic

1978
[Correlations between cholesterol, triglycerides, urea (BUN) and creatinine in the serum of aging rats].
    Zeitschrift fur Versuchstierkunde, 1978, Volume: 20, Issue:4

    Topics: Aging; Animals; Cholesterol; Creatinine; Female; Lipids; Male; Rats; Triglycerides; Urea

1978
Significance of the chronobiological approach in carrying out aging studies.
    Advances in experimental medicine and biology, 1978, Volume: 108

    Topics: Aging; Alkaline Phosphatase; Animals; Biological Clocks; Calcium; Cholesterol; Chronology as Topic;

1978
Total human body protein synthesis in relation to protein requirements at various ages.
    Nature, 1975, Jan-17, Volume: 253, Issue:5488

    Topics: Adult; Age Factors; Aged; Aging; Dietary Proteins; Energy Metabolism; Glycine; Humans; Infant; Infan

1975
Studies on L-arginase of the small intestine. II. Intestinal arginase in young and adult mammals, and its role in maintaining urea body pool.
    Biochemical medicine, 1975, Volume: 14, Issue:3

    Topics: Adult; Aging; Animals; Arginase; Dogs; Duodenum; Erythrocytes; Humans; Ileum; Infant; Intestinal Muc

1975
Central metabolic and humoral factors involved in the neural regulation of feeding.
    Pharmacology, biochemistry, and behavior, 1975, Volume: 3, Issue:1 Suppl

    Topics: Adipose Tissue; Aging; Amino Acids; Animals; Circadian Rhythm; Deoxyglucose; Diabetes Mellitus, Expe

1975
17 beta-acylurea derivatives of 4-azasteroids as inhibitors of testosterone 5 alpha-reductase.
    The Journal of steroid biochemistry and molecular biology, 1992, Volume: 41, Issue:3-8

    Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; 5-alpha Reductase Inhibitors; Aging; Androstanes; Animals; Az

1992
Body growth, carcass composition, and endocrine changes in lambs chronically treated with recombinantly derived insulin-like growth factor-I.
    Endocrinology, 1992, Volume: 130, Issue:5

    Topics: Aging; Animals; Blood Glucose; Body Composition; Body Weight; Bone Development; Carrier Proteins; Cr

1992
Allopurinol challenge test in children.
    Journal of inherited metabolic disease, 1992, Volume: 15, Issue:5

    Topics: Adolescent; Aging; Allopurinol; Child; Child, Preschool; Citrulline; Female; Humans; Infant; Male; M

1992
Analysis of collagen type III by uninterrupted sodium dodecyl sulfate-polyacrylamide gel electrophoresis and immunoblotting: changes in collagen type III polymorphism in aging rats.
    Electrophoresis, 1992, Volume: 13, Issue:6

    Topics: Aging; Animals; Aorta; Brachial Artery; Collagen; Electrophoresis, Polyacrylamide Gel; Immunoblottin

1992
Carnitine administration to juvenile visceral steatosis mice corrects the suppressed expression of urea cycle enzymes by normalizing their transcription.
    The Journal of biological chemistry, 1992, Mar-15, Volume: 267, Issue:8

    Topics: Aging; Animals; Argininosuccinate Synthase; Blotting, Northern; Body Weight; Carbamoyl-Phosphate Syn

1992
Age-related changes of urinary urea. Epidemiological study in children from southern Italy living in Cimitile.
    Child nephrology and urology, 1992, Volume: 12, Issue:1

    Topics: Adolescent; Aging; Body Height; Body Weight; Child; Child, Preschool; Dietary Proteins; Female; Huma

1992
Vascular calcium overload produced by administration of vitamin D3 and nicotine in rats. Changes in tissue calcium levels, blood pressure, and pressor responses to electrical stimulation or norepinephrine in vivo.
    Journal of cardiovascular pharmacology, 1990, Volume: 16, Issue:2

    Topics: Aging; Animals; Blood Pressure; Calcium; Cholecalciferol; Creatinine; Decerebrate State; Electric St

1990
Naproxen free plasma concentrations and unbound fractions in patients with osteoarthritis: relation to age, sex, efficacy, and adverse events.
    Therapeutic drug monitoring, 1991, Volume: 13, Issue:6

    Topics: Aged; Aged, 80 and over; Aging; Blood Proteins; Creatinine; Female; Humans; Male; Naproxen; Osteoart

1991
Early indicators of deteriorating renal efficiency in elderly subjects.
    Indian journal of physiology and pharmacology, 1991, Volume: 35, Issue:3

    Topics: Adult; Aged; Aged, 80 and over; Aging; Creatinine; Humans; Kidney; Male; Middle Aged; Urea; Urine

1991
Protein intake and urinary excretion of protein-derived metabolites in aging female vegetarians and nonvegetarians.
    Journal of the American College of Nutrition, 1991, Volume: 10, Issue:4

    Topics: Adult; Aged; Aged, 80 and over; Aging; Creatinine; Diet Records; Diet, Vegetarian; Dietary Proteins;

1991
Analysis in vitro of uterine estrogen receptor conformation of young and old rats.
    Molecular and cellular biochemistry, 1991, Jul-10, Volume: 105, Issue:2

    Topics: Adenosine Triphosphate; Aging; Animals; Chymotrypsin; DNA; Electrophoresis, Polyacrylamide Gel; Estr

1991
Development of pyrroline-5-carboxylate synthase and N-acetylglutamate synthase and their changes in lactation and aging.
    Archives of biochemistry and biophysics, 1991, Nov-15, Volume: 291, Issue:1

    Topics: Acetyltransferases; Aging; Amino-Acid N-Acetyltransferase; Animals; Arginine; Female; Intestine, Sma

1991
Physiological consequences of early neonatal growth retardation: effects of alpha-difluoromethylornithine on renal growth and function in the rat.
    Teratology, 1991, Volume: 43, Issue:1

    Topics: Aging; Analysis of Variance; Animals; Animals, Newborn; Body Weight; Creatinine; Eflornithine; Femal

1991
Renal function in rats with essential fatty acid deficiency.
    Clinical science (London, England : 1979), 1990, Volume: 79, Issue:4

    Topics: Aging; Animals; Fatty Acids, Essential; Female; Glomerular Filtration Rate; Kidney; Phospholipids; P

1990
Therapy of diseased stroke-prone spontaneously hypertensive rats with nimodipine.
    Stroke, 1990, Volume: 21, Issue:12 Suppl

    Topics: Aging; Animals; Brain; Calcium; Cerebrovascular Disorders; Creatinine; Hypertension; Kidney; Male; M

1990
Ontogenetical development of the chick and duck subcommissural organ. An immunocytochemical study.
    Histochemistry, 1986, Volume: 84, Issue:1

    Topics: Aging; Animals; Chick Embryo; Chickens; Ducks; Immune Sera; Immunoenzyme Techniques; Nerve Fibers; N

1986
Age-related changes in muscle ammonia detoxification potential in exhausted rats.
    Archives internationales de physiologie et de biochimie, 1987, Volume: 95, Issue:1

    Topics: Aging; Ammonia; AMP Deaminase; Animals; Glutamate Dehydrogenase; Glutamine; Male; Muscle Contraction

1987
Studies on the nature of the water-insoluble fraction from aged bovine lenses.
    Experimental eye research, 1989, Volume: 48, Issue:5

    Topics: Aging; Animals; Cattle; Crystallins; Molecular Weight; Potassium Chloride; Protein Conformation; Pro

1989
[The clinical significance of kidney function tests].
    Schweizerische medizinische Wochenschrift, 1989, Jun-17, Volume: 119, Issue:24

    Topics: Aging; Blood Urea Nitrogen; Creatinine; Glomerular Filtration Rate; Humans; Kidney Diseases; Kidney

1989
Age dependence of rat liver function measurements.
    Journal of hepatology, 1989, Volume: 9, Issue:2

    Topics: Aging; Animals; Antipyrine; Cytochrome P-450 Enzyme System; Galactose; Glutathione; Liver; Male; Rat

1989
[Total protein, urea and blood sugar in healthy calves and calves with diarrhea].
    Veterinarno-meditsinski nauki, 1987, Volume: 24, Issue:4

    Topics: Aging; Animals; Animals, Newborn; Blood Glucose; Blood Proteins; Cattle; Cattle Diseases; Coronaviri

1987
Ten-year-replicated circadian profiles for 36 physiological, serological and urinary variables in healthy men.
    Chronobiology international, 1988, Volume: 5, Issue:3

    Topics: Adult; Aging; Blood Glucose; Blood Pressure; Blood Proteins; Blood Urea Nitrogen; Body Temperature;

1988
[Pharmacokinetics and nephrotoxicity of aluminum in rats of various ages].
    Die Pharmazie, 1988, Volume: 43, Issue:9

    Topics: Aging; Aluminum; Animals; Kidney Diseases; Kidney Function Tests; Osmolar Concentration; Potassium;

1988
Age dependent lipid and protein changes in individual bovine lenses.
    Current eye research, 1987, Volume: 6, Issue:4

    Topics: Aging; Animals; Cattle; Cholesterol; Eye Proteins; Lens, Crystalline; Lipid Metabolism; Phospholipid

1987
Pharmacokinetics of naproxen in elderly patients.
    European journal of clinical pharmacology, 1986, Volume: 31, Issue:4

    Topics: Adult; Aged; Aged, 80 and over; Aging; Blood Proteins; Female; Half-Life; Humans; Kinetics; Male; Mi

1986
Lens protein composition, glycation and high molecular weight aggregation in aging rats.
    Investigative ophthalmology & visual science, 1987, Volume: 28, Issue:10

    Topics: Aging; Animals; Cataract; Crystallins; Glycosylation; Male; Molecular Weight; Rats; Rats, Inbred Str

1987
[Urea utilization in growing lambs. 3. Effect of urea and straw on carcass composition].
    Archiv fur Tierernahrung, 1986, Volume: 36, Issue:6

    Topics: Aging; Animal Feed; Animals; Female; Lipids; Male; Meat; Sheep; Urea

1986
Age-related variations in renal structure and function in Sprague-Dawley rats.
    Toxicologic pathology, 1986, Volume: 14, Issue:2

    Topics: Aging; Animals; Body Weight; Diuresis; Female; Hyperparathyroidism, Secondary; Kidney; Kidney Diseas

1986
Nutritional and metabolic responses to arginine deficiency in carnivores.
    The Journal of nutrition, 1985, Volume: 115, Issue:4

    Topics: Aging; Animal Nutritional Physiological Phenomena; Animals; Arginine; Carnivora; Cats; Citrulline; D

1985
Uraemia in the mare: effects of seasonal variations, of energy level of the diet and individual differences.
    Annales de recherches veterinaires. Annals of veterinary research, 1985, Volume: 16, Issue:1

    Topics: Aging; Animal Feed; Animals; Female; Horses; Poaceae; Seasons; Urea

1985
The effect of age on clinical pharmacokinetics of piracetam.
    Arzneimittel-Forschung, 1985, Volume: 35, Issue:2

    Topics: Adult; Aged; Aging; Blood Proteins; Body Weight; Erythrocytes; Female; Half-Life; Humans; Kinetics;

1985
Influence of vitamin B6 on age dependent changes in blood urea.
    Indian journal of experimental biology, 1985, Volume: 23, Issue:2

    Topics: Aging; Alanine Transaminase; Animals; Arginase; Isoenzymes; Kidney; Liver; Male; Pyridoxal Phosphate

1985
The effect of age on salicylate-induced nephrotoxicity in male rats.
    Toxicology and applied pharmacology, 1985, Volume: 81, Issue:2

    Topics: Aging; Animals; Blood Urea Nitrogen; Injections, Intraperitoneal; Kidney Cortex; Kidney Cortex Necro

1985
The effect of C3H mouse mammary tumour on the levels of serum and urine analytes in vivo.
    British journal of cancer, 1985, Volume: 52, Issue:4

    Topics: Acetylglucosaminidase; Aging; Alanine Transaminase; Alkaline Phosphatase; Animals; Aspartate Aminotr

1985
Plasma amino acid profiles and growth of the bovine fed different sources of nitrogen and levels of sulfur.
    International journal for vitamin and nutrition research. Internationale Zeitschrift fur Vitamin- und Ernahrungsforschung. Journal international de vitaminologie et de nutrition, 1985, Volume: 55, Issue:4

    Topics: Aging; Amino Acids; Animals; Cattle; Diet; Food, Fortified; Humans; Male; Nitrogen; Orchiectomy; Sul

1985
Transient hyperammonemia during aging in ornithine transcarbamylase-deficient, sparse-fur mice.
    Biochemistry international, 1985, Volume: 11, Issue:5

    Topics: Aging; Ammonia; Animals; Body Weight; Disease Models, Animal; Hair; Liver; Mice; Mice, Mutant Strain

1985
Urea synthesis in hepatocytes isolated from young and old rats.
    Experimental gerontology, 1985, Volume: 20, Issue:5

    Topics: Aging; Ammonium Chloride; Animals; Epinephrine; Glucagon; Gluconeogenesis; In Vitro Techniques; Lact

1985
Comparative effects of tetracycline and doxycycline on liver function of young adult and old mice.
    Archives internationales de pharmacodynamie et de therapie, 1985, Volume: 278, Issue:1

    Topics: Aging; Alanine Transaminase; Animals; Aspartate Aminotransferases; Bilirubin; Cholesterol; Doxycycli

1985
The myosin of developing chick embryo.
    Archives of biochemistry and biophysics, 1969, Volume: 132, Issue:1

    Topics: Adenosine Triphosphatases; Adenosine Triphosphate; Aging; Animals; Calcium; Chemical Precipitation;

1969
Comparative studies of age tests on collagen fibres.
    Gerontologia, 1967, Volume: 13, Issue:1

    Topics: Aging; Animals; Collagen; Female; Male; Perchlorates; Potassium Iodide; Rats; Temperature; Urea

1967
Fat metabolism in higher plants. I. The biosynthesis of polyunsaturated fatty acids by isolated spinach chloroplasts.
    Archives of biochemistry and biophysics, 1972, Volume: 148, Issue:2

    Topics: Acetates; Adenosine Triphosphate; Aging; Azides; Carbon Isotopes; Chloroplasts; Chromatography, Gas;

1972
Changes in collagen with age. V. Modification of mouse skin collagen by whole body x-irradiation.
    Experimental gerontology, 1973, Volume: 8, Issue:3

    Topics: Acetates; Aging; Amino Acids; Animals; Collagen; Hydroxyproline; Male; Mice; Microbial Collagenase;

1973
Problems of interpretation of laboratory findings in the old.
    British medical journal, 1973, Nov-10, Volume: 4, Issue:5888

    Topics: Aged; Aging; Anemia, Hypochromic; Blood Glucose; Blood Sedimentation; Calcium; Cholesterol; Clinical

1973
Embryonic differentiation in the nucleoside triphosphatase activities of myosin from the fast, slow and cardiac muscles of chick.
    Enzyme, 1974, Volume: 18, Issue:6

    Topics: Adenosine Triphosphatases; Aging; Animals; Calcium; Chick Embryo; Chickens; Edetic Acid; Enzyme Acti

1974
[Biochemical stigmas of human skin surface in old age (author's transl)].
    Zeitschrift fur klinische Chemie und klinische Biochemie, 1974, Volume: 12, Issue:3

    Topics: Adult; Aged; Aging; Alanine; Amino Acids; Ammonia; Citrulline; Glutamates; Glycine; Histidine; Human

1974
Long-term functional aspects of syngeneic, orthotopic rat kidney grafts of different ages.
    Journal of gerontology, 1974, Volume: 29, Issue:1

    Topics: Aging; Animals; Body Weight; Hematocrit; Kidney; Kidney Cortex; Kidney Transplantation; Kidney Tubul

1974
Alkaline phosphatases of the chicken duodenum. I. Isolation and partial characterization of the multiple forms of duodenal phosphatase in pre- and post-hatching stages.
    Biochimica et biophysica acta, 1972, Jan-20, Volume: 258, Issue:1

    Topics: Aging; Alcohols; Alkaline Phosphatase; Animals; Chick Embryo; Chickens; Chromatography, Gel; Chromat

1972
Aging of connective tissue. Age dependency of collagen depolymerization by ionizing radiation.
    Experimental gerontology, 1973, Volume: 8, Issue:3

    Topics: Acetates; Age Factors; Aging; Amino Acid Sequence; Amino Acids; Animals; Chlorides; Cobalt Isotopes;

1973
Chromatin of the developing chick oviduct: changes in the acidic proteins.
    Biochimica et biophysica acta, 1973, Jul-27, Volume: 312, Issue:4

    Topics: Aging; Animals; Carbon Isotopes; Cell Differentiation; Chickens; Chromatin; Circular Dichroism; Comp

1973
Age dependency of mean values in blood and blood serum of healthy Dutch school children between 4 and 13 years of age.
    Clinica chimica acta; international journal of clinical chemistry, 1973, Oct-30, Volume: 48, Issue:3

    Topics: Adolescent; Aging; Blood; Blood Proteins; Body Height; Body Surface Area; Body Weight; Calcium; Chil

1973
Sex and age differences in the hemosiderin content of rat liver.
    Biochimica et biophysica acta, 1973, Dec-06, Volume: 328, Issue:2

    Topics: Aging; Amino Acids; Animals; Apoproteins; Chlorides; Female; Ferritins; Guanidines; Hemosiderin; Lit

1973
Gluconeogenesis in the newborn rat: the substrates and their quantitative significance.
    Enzyme, 1973, Volume: 15, Issue:1

    Topics: Aging; Amino Acids; Animals; Animals, Newborn; Arginase; Arginine; Dietary Fats; Female; Gluconeogen

1973
[Age changes of the skin surface (author's transl)].
    Archiv fur dermatologische Forschung, 1974, Feb-20, Volume: 248, Issue:4

    Topics: Adult; Aged; Aging; Amino Acids; Glutamates; Humans; Pyrrolidinones; Skin; Skin Physiological Phenom

1974
Electrophoresis of avian erythroid histones.
    Biochimica et biophysica acta, 1974, Jul-07, Volume: 359, Issue:1

    Topics: Aging; Animals; Blood Protein Electrophoresis; Chickens; Electrophoresis, Polyacrylamide Gel; Erythr

1974
The subunit structure of alpha-crystallin. Isolation and characterization of the S-carboxymethylated acidic subunits from adult and embryonic origin.
    European journal of biochemistry, 1969, Volume: 11, Issue:3

    Topics: Aging; Alkylation; Amino Acids; Animals; Aspartic Acid; Carbon Isotopes; Cattle; Chromatography, Ion

1969
[Renal function in the aged].
    La Revue du praticien, 1972, Jan-11, Volume: 22, Issue:2

    Topics: Aging; Creatinine; Glomerular Filtration Rate; Humans; Kidney; Kidney Concentrating Ability; Kidney

1972
Age-related changes in the structural proteins of human lens.
    Experimental eye research, 1972, Volume: 14, Issue:1

    Topics: Adolescent; Adult; Age Factors; Aged; Aging; Child; Child, Preschool; Crystallins; Humans; Infant; I

1972
[Methods for studying the changes of physical properties of connective tissue in the aging process].
    Zeitschrift fur Alternsforschung, 1972, Volume: 25, Issue:3

    Topics: Adolescent; Adult; Age Factors; Aged; Aging; Animals; Arteriosclerosis; Carotid Arteries; Collagen;

1972
Aging of the connective tissue: collagen cross linking in animals of different species and equal age.
    Experimental gerontology, 1971, Volume: 6, Issue:3

    Topics: Acetates; Age Factors; Aged; Aging; Animals; Cats; Cattle; Child, Preschool; Chromatography; Collage

1971
Serum alkaline phosphatase activity in cattle.
    Clinica chimica acta; international journal of clinical chemistry, 1971, Volume: 33, Issue:2

    Topics: Abomasum; Aging; Alkaline Phosphatase; Animals; Bone and Bones; Brain; Cattle; Cattle Diseases; Chem

1971
Subunit structure of rabbit muscle aldolase: extent of homology of the alpha and beta subunits and age-dependent changes in their ratio.
    Archives of biochemistry and biophysics, 1969, Volume: 134, Issue:2

    Topics: Aging; Amino Acids; Animals; Bromine; Carboxypeptidases; Chromatography, DEAE-Cellulose; Chromatogra

1969
Variations in the makeup of lens insoluble proteins.
    Experimental eye research, 1970, Volume: 10, Issue:1

    Topics: Aged; Aging; Animals; Cataract; Cattle; Crystallins; Densitometry; Electrophoresis; Female; Humans;

1970
Biochemical normals in Nigerians with particular reference to electrolytes and urea.
    Clinica chimica acta; international journal of clinical chemistry, 1970, Volume: 29, Issue:2

    Topics: Adolescent; Adult; Aging; Bicarbonates; Calcium; Child; Child, Preschool; Electrolytes; Female; Huma

1970
Starch gel electrophoresis of lens proteins treated with urea.
    Experimental eye research, 1968, Volume: 7, Issue:2

    Topics: Aging; Albumins; Animals; Cattle; Chromatography, Gel; Crystallins; Electrophoresis; Gels; Lens, Cry

1968
Carbamyl phosphate synthetase in the chick.
    Canadian journal of biochemistry, 1969, Volume: 47, Issue:1

    Topics: Aging; Animals; Carbamates; Carbon Isotopes; Chick Embryo; Chickens; Chromatography, Thin Layer; Cit

1969
Effect of age on the activity of arginase of the liver and kidney cortex of rat.
    Experimental gerontology, 1969, Volume: 4, Issue:1

    Topics: Aging; Ammonia; Animals; Arginase; Biotransformation; Body Weight; Kidney; Liver; Male; Rats; Urea

1969
The effect of chronic lung disease and the process of dying on the ageing of collagen fibres in the male rat.
    Gerontologia, 1969, Volume: 15, Issue:1

    Topics: Aging; Animals; Appetite; Bronchiectasis; Chronic Disease; Collagen; Death; Lung Abscess; Lung Disea

1969
The relation of age and sex to distribution of values in healthy adults of serum calcium, inorganic phosphorus, magnesium, alkaline phosphatase, total proteins, albumin, and blood urea.
    The Journal of laboratory and clinical medicine, 1969, Volume: 73, Issue:5

    Topics: Adult; Age Factors; Aged; Aging; Alkaline Phosphatase; Blood Proteins; Calcium; Female; Humans; Hype

1969
Chemistry of lens nuclear sclerosis.
    Biochemical and biophysical research communications, 1969, Jun-27, Volume: 35, Issue:6

    Topics: Aging; Amino Acids; Animals; Crystallins; Immunoelectrophoresis; Lens, Crystalline; Rats; Sclerosis;

1969
Blood urea nitrogen in Guernsey cattle.
    Journal of dairy science, 1966, Volume: 49, Issue:2

    Topics: Aging; Animals; Blood Urea Nitrogen; Cattle; In Vitro Techniques; Seasons; Urea

1966