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Inhibitory Activity of Three Varieties of Adlay (Coix Seed) on Adipocyte Differentiation in 3T3-L1 cells  

Lee, Mi-Kyeong (College of Pharmacy, Chungbuk National University)
Shin, Eun-Jin (College of Pharmacy, Chungbuk National University)
Liu, Qing (College of Pharmacy, Chungbuk National University)
Hwang, Bang-Yeon (College of Pharmacy, Chungbuk National University)
Lee, Jung-Bok (Research Institute, Sonimedi)
Kim, Sun-Yeou (Graduate School of East-West Medical Science, Kyung Hee University Global Campus)
Lee, Jae-Hak (Korea Plant Resource Institute, attached Well Root)
Publication Information
Natural Product Sciences / v.16, no.4, 2010 , pp. 291-294 More about this Journal
Abstract
In obesity, adipocytes undergo abnormal growth characterized by increased cell numbers and differentiation. Thus, inhibition of mitogenesis of preadipocytes and their differentiation to adipocytes would be beneficial for the prevention and progression of obesity. In the present study, we attempted to evaluate antiadipogenic activity of adlay (Coix seed, the seed of Coix lacryma-jobi L. var. ma-yuen Stapf) employing preadipocytes cell line, 3T3-L1 as an in vitro assay system. Because several varieties of adlay are in use in Korea, anti-adipogenic activity of three varieties of adlay such as Sang-Gang, Jo-Hyun and Yulmu-Ilho was evaluated. All the three varieties of adlay showed significant inhibitory activity on adipocyte differentiation as assessed by measuring fat accumulation using Oil Red O staining. Adlay, however, showed little effects on adipocyte proliferation. Further studies with interval treatment demonstrated that adlay exerted inhibitory activity on adipocyte differentiation via acting on early stage of adipogenesis. Taken together, adlay might be useful in the prevention of obesity.
Keywords
Adlay; Variety; 3T3-L1 cells; adipocyte differentiation; Coix seed; obesity;
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