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논문 기본 정보

자료유형
학술저널
저자정보
Lee, Jung-Jin (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University) Jin, Yong-Ri (Research Institute of Veterinary Medicine, Chungbuk National University) Lim, Yong (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University) Yu, Ji-Yeon (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University) Kim, Tack-Joong (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University) Yoo, Hwan-Soo (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University) Shin, Hwa-Sup (Division of Life Science, College of Biomedical & Health Science, Konkuk University) Yun, Yeo-Pyo (College of Pharmacy, Research Center for Bioresource and Health, Chungbuk National University)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제30권 제2호
발행연도
2007.1
수록면
210 - 214 (5page)

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Oleanolic acid (3${\beta}$-hydroxy-olea-12-en-28-oic), a pentacyclic triterpenoid, exists widely in the plant kingdom and has a wide variety of pharmacological effects such as antitumor, antifungal, insecticidal, hepatoprotective and anti-HIV activities. This paper reports that oleanolic acid induces the aggregation of rabbit platelets, a mechanism was also investigated. Oleanolic acid at concentrations of 25, 50, 100 and 200 ${\mu}$M induced the aggregation of washed rabbit plate-lets in a concentration-dependent manner. Pretreating the platelets with U73122, a phospholipase C (PLC) inhibitor, blocked the oleanolic acid induced-aggregation, whereas acetylsalicylicacid (ASA), a cyclooxygenase (COX) inhibitor, had no effect. In addition, the effect of oleanolic acid on serotonin secretion, which is a marker for dense granule secretion, was determined. Oleanolic acid induced serotonin secretion in a similar concentration-dependent manner as observed with platelet aggregation. Pretreating the platelets with U73122 blocked the clean-olic acid-induced serotonin secretion and cytosolic calcium mobilization. Overall, these results suggest that oleanolic acid can induce platelet aggregation, which may be mediated by the stimulation of PLC-mediated cytosolic calcium mobilization.

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