alexa Primary prevention of diabetes mellitus by prevention of obesity in monkeys.
Diabetes & Endocrinology

Diabetes & Endocrinology

Journal of Diabetes & Metabolism

Author(s): Hansen BC, Bodkin NL

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Abstract Many, but not all, adult rhesus monkeys spontaneously develop significant increases in body fat mass, and many, but not all, progress to develop overt adult-onset type II diabetes. The purpose of this study was to determine whether both an increase in body fat and onset of diabetes could be simultaneously prevented through long-term maintenance of stable normal adult body weight by caloric titration. Eight adult male monkeys were provided a complete normal chow diet, but with daily amounts restricted and titrated on a weekly basis to maintain a constant body weight (weight-stabilized group). This regimen has been continued for 5-9 yr (mean +/- SD of 7 +/- 0.5 yr) with monkeys attaining the age of 17.9 +/- 0.6 yr and with maintenance of normal body fat (17.7 +/- 1.8\%). The age-matched ad libitum fed group (18.1 +/- 0.2 yr of age) consisted of 19 monkeys maintained under identical laboratory conditions and diet, but with food available ad libitum. Results showed weight-stabilized monkeys weighed significantly less than ad libitum fed monkeys (10.4 +/- 0.2 vs. 16.1 +/- 0.7 kg, respectively, P < 0.05) and had significantly better glucose tolerance as measured by Kglucose (glucose disappearance rate) (3.9 +/- 0.3 vs. 2.4 +/- 0.2, P +/- 0.05). Of the 19 ad libitum fed age-matched monkeys, 4 were overtly diabetic, and 6 others had significantly reduced glucose tolerance. Hyperinsulinemia did not develop in the weight-stabilized group, and beta-cell response to glucose remained normal; both were significantly different from the exaggerated levels of the ad libitum fed group (P < 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)
This article was published in Diabetes and referenced in Journal of Diabetes & Metabolism

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