지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 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 제37권 제9호
- 발행연도
- 2014.1
- 수록면
- 1,193 - 1,200 (8page)
이용수
초록· 키워드
오류제보하기
Compound K (CK) is a major metabolite of ginsenosides that is absorbed. CK has antidiabetic effects, although the mechanisms underlying the effects of CK have not fully been known. To elucidate the mechanisms underlying the antidiabetic effects of CK, we studied the effects of CK on GLP-1 secretion from NCI-H716 cells, and explored the mechanisms underlying CK-induced GLP-1 secretion. Treatment of NCI-H716 cells with 10, 50, and $100{\mu}M$ CK significantly increased GLP-1 secretion, and intracellular $Ca^{2+}$ and cAMP levels in a dose-dependent manner. Transfection of NCI-H716 cells with siRNA specific to ${\alpha}$-gustducin and siRNA specific to TAS1R3 had no effect on CK-induced GLP-1 secretion and $Ca^{2+}$ increase. However, transfection of NCI-H716 cells with TGR5-specific siRNA significantly inhibited CK-induced GLP-1 secretion and the increase in $Ca^{2+}$ and cAMP levels. Moreover, CK showed human TGR5 agonist activity in CHO-K1 cells transiently transfected with human TGR5. Our data provide a novel mechanism of CK for antidiabetic effects. Moreover, the findings might suggest that CK is a potential agent that has multiple biological functions in the body via GLP-1 secretion and TGR5 activation.
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