Abstract Title:

Caloric restriction delays disease onset and mortality in rhesus monkeys.

Abstract Source:

Theriogenology. 2009 Sep 15;72(5):624-35. Epub 2009 Jul 14. PMID: 19590001

Abstract Author(s):

Ricki J Colman, Rozalyn M Anderson, Sterling C Johnson, Erik K Kastman, Kristopher J Kosmatka, T Mark Beasley, David B Allison, Christina Cruzen, Heather A Simmons, Joseph W Kemnitz, Richard Weindruch

Article Affiliation:

Wisconsin National Primate Research Center, University of Wisconsin, Madison, WI 53715, USA. rcolman@primate.wisc.edu


Caloric restriction (CR), without malnutrition, delays aging and extends life span in diverse species; however, its effect on resistance to illness and mortality in primates has not been clearly established. We report findings of a 20-year longitudinal adult-onset CR study in rhesus monkeys aimed at filling this critical gap in aging research. In a population of rhesus macaques maintained at the Wisconsin National Primate Research Center, moderate CR lowered the incidence of aging-related deaths. At the time point reported, 50% of control fed animals survived as compared with 80% of the CR animals. Furthermore, CR delayed the onset of age-associated pathologies. Specifically, CR reduced the incidence of diabetes, cancer, cardiovascular disease, and brain atrophy. These data demonstrate that CR slows aging in a primate species.

Study Type : Animal Study

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