We are in the process of developing mathematical models to explain the kinetics of the amino acid leucine. However, data analysis has raised further questions regarding the nature of the model, i.e., the domain of validity that will best explain the observed kinetic data. Our immediate concerns are regarding the incorporation of the background levels of the amino acid leucine and its matabolite, KIC (keto-isocaproic acid) when subjects are adapted to two different diets; low leucine (14.1 mg/kg/d) and high leucine (39.2 mg/kg/d). The background levels of these metabolites are crucial to the biological implications of a proposed model as well as the development of a comprehensive and accurate model.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
General Clinical Research Centers Program (M01)
Project #
5M01RR000088-37
Application #
6406053
Study Section
General Clinical Research Centers Committee (CLR)
Project Start
1975-10-01
Project End
2000-11-30
Budget Start
Budget End
Support Year
37
Fiscal Year
2000
Total Cost
Indirect Cost
Name
Massachusetts Institute of Technology
Department
Type
DUNS #
City
Cambridge
State
MA
Country
United States
Zip Code
02139
Raboud, Janet M; Diong, Christina; Carr, Andrew et al. (2010) A meta-analysis of six placebo-controlled trials of thiazolidinedione therapy for HIV lipoatrophy. HIV Clin Trials 11:39-50
Must, Aviva; Bandini, Linda G; Tybor, David J et al. (2008) Behavioral risk factors in relation to visceral adipose tissue deposition in adolescent females. Int J Pediatr Obes 3 Suppl 1:28-36
Bandini, L G; Must, A; Naumova, E N et al. (2008) Change in leptin, body composition and other hormones around menarche--a visual representation. Acta Paediatr 97:1454-9
Thadhani, Ravi (2008) Activated vitamin D sterols in kidney disease. Lancet 371:542-4
Must, Aviva; Bandini, Linda G; Tybor, David J et al. (2007) Activity, inactivity, and screen time in relation to weight and fatness over adolescence in girls. Obesity (Silver Spring) 15:1774-81
Thompson, O M; Ballew, C; Resnicow, K et al. (2006) Dietary pattern as a predictor of change in BMI z-score among girls. Int J Obes (Lond) 30:176-82
Spadano, Jennifer L; Bandini, Linda G; Must, Aviva et al. (2005) Longitudinal changes in energy expenditure in girls from late childhood through midadolescence. Am J Clin Nutr 81:1102-9
Anderson, S E; Bandini, L G; Must, A (2005) Child temperament does not predict adolescent body composition in girls. Int J Obes (Lond) 29:47-53
Spadano, Jennifer L; Bandini, Linda G; Must, Aviva et al. (2004) Does menarche mark a period of elevated resting metabolic rate? Am J Physiol Endocrinol Metab 286:E456-62
Anderson, S E; Bandini, L G; Dietz, W H et al. (2004) Relationship between temperament, nonresting energy expenditure, body composition, and physical activity in girls. Int J Obes Relat Metab Disord 28:300-6

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