Abstract
Summary
The interacting effects of high (25%), low (8%), and very low (4%) dietary protein on the serum lipoprotein concentrations have been studied in spider monkeys (Ateles Sp.). Although the level of dietary protein per se had no appreciable main effect on the basal levels of serum total cholesterol, very low protein diet produced significant elevation in a-lipoprotein cholesterol. The serum lipoprotein responses to exogenous cholesterol varied at different levels of protein intake, the degree of response being highest at 4% protein level and lowest at 8% protein level. The changes were observed mainly in (B- and a-lipopro-teins.
The authors appreciate the histologic examinations of liver biopsy done by Dr. William Newman, Jr., of the Department of Pathology, and the technical assistance of Mr. Charles C. Smith.
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