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Title 

Screening of Acyl-CoA : Cholesterol acyltransferase(ACAT) inhibitors from natural sources

 

천연자원으로부터 아실코에이:콜레스테롤아실 전달효소 저해제의 탐색

Authors 

Mi Kyung KimByoung-Mog KwonKi Hwan BaeDon Ha ChoiHak Ju LeeHong Eun KimYoung Kook Kim

Publisher 

Korean Society of Pharmacognosy

Issue Date 

1999

Citation 

Korean Journal of Pharmacognosy, vol. 30, no. 4, pp. 384-396

Keywords 

AtherosclerosisCholesteryl esterAcyl-CoACholesterol acyltransferase (ACAT)Low-density lipoprotein (LDL)Plant extract

Abstract 

Acyl-CoA: Cholesterol Acyltransferase (ACAT) is a key enzyme responsible for cholesteryl ester formation in atherogenesis and in cholesterol absorption from the intestines. In addition under pathological conditions, formation and accumulation of cholesteryl ester as lipid droplets by ACAT within macrophages constitute a characteristic feature of early lesions of atherosclerotic plaques. ACAT inhibitors are expected to be effective for treatment of atherosclerosis and hypercholesterolemia. ACAT inhibitors of natural origin have been rarely reported. In our screening program for ACAT inhibitors, 303 plants were extracted with methanol or ethanol, and screened for the inhibitory activity against ACAT from the rat liver microsome. Extracts of 13 plants including Quercus aliena, Diospyros kaki, Platycarya strobilacea and Hibiscus syriacus inhibited more than 90% of ACAT activity and 43 samples in alcohol extracts such as Magnolia obovata and Panax ginseng also inhibited more than 70% of ACAT activity at a concentration of 100 μg/ml.

ISSN 

0253-3073

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2017-04-19


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