Inhibitory Effects of Moutan Cortex Radicis Extracts and Paeonol on Rabbit Platelet Aggregation
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- 2023.04.05
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- 2004.09
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서지정보
ㆍ발행기관 : 한국식품위생안전성학회
ㆍ수록지정보 : 한국식품위생안전성학회지 / 19권 / 3호
ㆍ저자명 : Lee, Kyung-Sup, Oh, Ki-Wan, Bae, Ki-Hwan, Kim, Young-Ho, Lee, Mi-Yea, Cho, Mi-Ra, Jin, Yong-Ri, Yun, Yeo-Pyo
영어 초록
The present study was undertaken to investigate the effects of Moutan Cortex Radicis extracts and paeonol, a major component, on rabbit platelet aggregation and thromboxane (TX) B₂ formation. Moutan Cortex Radicis methanol and butanol layers (100 μg/mL) showed the weak inhibitions, and water layer (100 μg/ mL) had no effect on the collagen-induced platelet aggregation. Whereas, hexane and EtOAc layers potently inhibited the collagen (3 μg/mL)-induced platelet aggregation with the IC_(50) values of 10.9±1.0 and 31.5±0.8 μg/mL, respectively. Paeonol isolated from the hexane-acetone layer specifically inhibited the collagen-induced platelet aggregation with the IC_(50) value of 113.1 ± 0.9 μM, whereas it had little effects on the other agonists such as AA-, thrombin-, A23187- and thapsigargin-induced platelet aggregations. Paeonol also potently inhibited the collagen-induced TXB₂ formation in rabbit platelet in a concentration-dependent manner. These results suggest that paeonol may inhibit rabbit platelet aggregation by interfering with an essential step in collagen-induced platelet activation and TXA₂ formation. Paeonol may be a promising candidate for an antiplatelet agent.
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