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자료유형
학술저널
저자정보
박선영 (세명대학교) 김진택 (동국대학교) 김호현 (세명대학교)
저널정보
한의병리학회 동의생리병리학회지 동의생리병리학회지 제29권 제2호
발행연도
2015.4
수록면
180 - 188 (9page)
DOI
10.15188/kjopp.2015.04.29.2.180

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This study was conducted to investigate the relaxation effects and its mechanisms of Nelumbinis Semen (NS) extract in isolated rabbit corpus cavernous tissues. In order to examine the relaxation effects and its mechanisms of NS, we treated the ethanol extract of NS(0.01-3.0 ㎎/㎖) and indomethacin(IM), tetraethylammonium chloride(TEA), Nω-nitro-L-arginine (L-NNA), methylene blue(MB) were treated before NS extract to contracted strips induced by PE 1 μM. We also treated calcium chloride(Ca) 1 mM after pretreatment of NS extract in Ca<SUP>2+</SUP>-free krebs-ringer solution to contracted strips induced by PE. Cell viability and NO concentration on human umbilical vein endothelial cell(HUVEC) was measured by MTT assay, Griess reagent system. eNOS production was investigated by histochemical and immunohistochemical staining. NS extract was significantly affected on the relaxation of cavernous strips and NS extract-induced relaxation was not different by pretreatment of IM, TEA, MB, but inhibited by the pretreatment of L-NNA. And increase of contraction induced by Ca<SUP>2+</SUP> addition, in a Ca<SUP>2+</SUP>-free solution, was decreased by pretreatment of NS. NO concentration on HUVEC was increased. When NS extract was applicated on corpus cavernosum of penis(CCP) in SHR, ratio of smooth muscles to collage fibers by PE was decreased and formation of eNOS around helicine artery was increased. These results suggest that CCP relaxation effects of NS extract are shown by suppressing influx of extracellular Ca<SUP>2+</SUP> through the production of NO and eNOS.

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UCI(KEPA) : I410-ECN-0101-2016-519-001383043