Mortality and morbidity in laboratory-maintained rhesus monkeys and effects of long-term dietary restriction

Noni L. Bodkin, Theresa M. Alexander, Heidi K. Ortmeyer, Elizabeth Ann Colantuoni, Barbara C. Hansen

Research output: Contribution to journalArticle

Abstract

Mortality and morbidity were examined in 117 laboratory-maintained rhesus monkeys studied over approximately 25 years (8 dietary-restricted [DR] and 109 ad libitum-fed [AL] monkeys). During the study, 49 AL monkeys and 3 DR monkeys died. Compared with the DR monkeys, the AL monkeys had a 2.6-fold increased risk of death. Hyperinsulinemia led to a 3.7-fold increased risk of death (p <.05); concordantly, the risk of death decreased by 7%, per unit increase in insulin sensitivity (M). There was significant organ pathology in the AL at death. The age at median survival in the AL was approximately 25 years compared with 32 years in the DR. The oldest monkey was a diabetic female (AL) that lived to be 40 years of age. These results suggest that dietary restriction leads to an increased average age of death in primates, associated with the prevention of hyperinsulinemia and the mitigation of age-related disease.

Original languageEnglish (US)
Pages (from-to)212-219
Number of pages8
JournalJournals of Gerontology - Series A Biological Sciences and Medical Sciences
Volume58
Issue number3
StatePublished - Mar 1 2003

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Macaca mulatta
Haplorhini
Morbidity
Mortality
Hyperinsulinism
Primates
Insulin Resistance
Pathology

ASJC Scopus subject areas

  • Aging

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Mortality and morbidity in laboratory-maintained rhesus monkeys and effects of long-term dietary restriction. / Bodkin, Noni L.; Alexander, Theresa M.; Ortmeyer, Heidi K.; Colantuoni, Elizabeth Ann; Hansen, Barbara C.

In: Journals of Gerontology - Series A Biological Sciences and Medical Sciences, Vol. 58, No. 3, 01.03.2003, p. 212-219.

Research output: Contribution to journalArticle

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