EXPERIMENTAL ATHEROSCLEROSIS IN CEBUS MONKEYS

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Abstract
Atherosclerosis has been produced in Cebus monkeys by dietary means. This disease has been produced by feeding diets high in cholesterol and low in sulfur amino acids over periods of 18 to 30 weeks. Within 2 to 8 weeks this regimen caused the concentration of cholesterol in the serum to rise to 300 to 800 mg. per cent. The hypercholesterolemia could be largely prevented by feeding 1 gm. per day of dl-methionine or l-cystine as supplements to the diet. After the serum concentration had become elevated, it could be restored to normal by feeding 1 gm. of dl-methionine but only partially restored by 0.5 gm. of l-cystine daily.