Thyroxine誘導体d, 1-α-Methyl-3, 5, 3′, 5′-Tetraiodothyronine Ethylester Hydrochlorideの実験的動脈硬化症家兎におよぼす影響

概要

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To develop the prophylactics and the curatives for atherosclerosis, thyroxine derivative, CG-635, was assayed for its physiological activities in experimental atherosclerosis in rabbits fed with cholesterol. It was found that CG-635 possessed serum TC/TP value lowering activity (total cholesterol/total phospholipid) in normal and cholesterol fed rabbits for 3 weeks, and prevented the elevation of the value of cholesterol fed rabbits by daily injection for 7 weeks. CG-635 also depressed the hyperlipemia induced by cholesterol feeding, and its inhibitory effect was shown to be more marked on the increase of cholesterol than triglyceride, phospholipid and free fatty acid in serum. CG-635 did not, however, influence GOT, GPT and G-6-Pase activities in serum with increased cholesterol intake. From the histological findings it was proved that this compound prevented to a high degree the occurrence of atherosclerosis and fatty liver of cholesterol fed rabbits. Furthermore, it was recognized that thyroid hormone and the thyroid stimulating hormone-like activities of CG-635 were much weaker than thyroxine, except for the action in the lipid metabolism.
日本内分泌学会の論文