MacroWorld, Jan. 24, 2008 In this recent report, researchers at UTMB conducted a study "to examine recent discoveries related to the amino acid metabolism and regulatory effects in aging, focusing on the development and treatment of age-related muscle loss (sarcopenia)." Kyle Timmerman, a post-doctoral fellow in the Sealy Center on Aging, is the principal author. The study was published in Current Opinion in Clinical Nutrition and Metabolic Care