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J Gerontol. 1989 Jan;44(1):B20-2.

Evidence for the glycation hypothesis of aging from the food-restricted rodent model.

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  • 1Department of Physiology, University of Texas Health Science Center, San Antonio.


Glucose has been proposed as a mediator of aging processes by means of glycation reactions resulting in advanced glycosylation end-products, thereby altering protein and DNA function. Testing this provocative concept has a high priority in gerontologic research. In this study, food restriction of rats--a procedure which markedly retards aging processes--was used to test the glycation hypothesis. Food-restricted rats were found to have a sustained plasma glucose concentration and percentage glycosylation of hemoglobin significantly lower than those of ad libitum fed rats. These findings are consistent with and provide support for the glycation hypothesis.

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