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Nutrition Research Laboratory, Department of Preventive Medicine, Washington University School of Medicine, St. Louis, Mo.
Coenzyme A concentration and total hepatic coenzyme A content were found to be decreased in rats chronically fed ethionine compared to values obtained in pair-and ad libitumfed controls.
Total renal coenzyme A content in ethionine-fed rats was slightly, but significantly, increased over that of pair-fed controls.
It is postulated that ethionine may impair coenzyme A synthesis as a consequence of its metabolic antagonism to methionine.
2 Fellow of the National Foundation for Infantile Paralysis.
Manuscript received 31 July 1957.