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
- 발행연도
- 2011.1
- 수록면
- 863 - 869 (7page)
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초록· 키워드
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The aim of the present study is to investigate whether an ethanol extract of Acorus gramineus Soland (EAG) augments penile erection in vitro and in vivo experiment. Preconstructed with phenylephrine (PE) in isolated endothelium-intact rabbit corpus cavernosum, EAG relaxed penile smooth muscle in a dose-dependent manner, which was inhibited by pretreatment with NG-nitro-L-argininemethylester (L-NAME), a nitricoxide synthase inhibitor, and 1H-[1,2,4]-oxadiazole-[4,3-${\alpha}$]-quinoxalin-1-one (ODQ), a soluble guanylylcyclase (sGC) inhibitor, respectively. EAG-induced relaxation was significantly attenuated by pretreatment with tetraethylammonium (TEA), a nonselective $K^+$ channel blocker. EAG increased cGMP levels of the rabbit corpus cavernosum in a concentration-dependent manner without changes in cAMP levels. In addition, EAG caused increase of peak intracavernous pressure (ICP), ICP/MAP ratio and area under the carve (AUC) in SD rats. Taken together, these results suggest that EAG augments penile erection via NO-cGMP system and $K^+$ channels in corpus cavernosum.
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