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논문 기본 정보

자료유형
학술저널
저자정보
백기범 (동국대학교 한의과대학 내과학교실) 신현철 (대구한의대학교 한의과대학 내과학교실) 정지천 (동국대학교 한의과대학 내과학교실)
저널정보
대한동의생리학회 동의생리병리학회지 동의생리병리학회지 제22권 제1호
발행연도
2008.1
수록면
176 - 182 (7page)

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Scolopendra was known to cure erectile dysfunction. This study was aimed to investigate the effects of Scolopendra on the nitric oxide synthase activity, nitrite level, cyclic-GMP and erectile responses in rat's corpus cavernosum penis. The crushed Scolopendra was extracted 3 times, each time with 3 volumes of methyl alcohol at $60^{\circ}C$ for 24 h. The extract was filtered and evaporated under a reduced pressure using a rotary evaporator to yield 14.2 g. Scolopendra extract was oral-administered 50 mg per 1 kg of body weight for 30 days. First, samples were treated with Scolopendra, and then ethanol-treated rats and L-N-Nitroarginine methyl ester (L-NAME) treated rats were fed with the samples. The level of urethral nitrite and nitric oxide synthase activity in the ethanol-Scolopendra double administered rats were as high as in the normal group, while the one in the ethanol-treated group was decreased. The level of urethral cyclic-GMP and guanylate cyclase actiyity in the ethanol-Scolopendra double administered rats were as high as in the normal group, while the one in the ethanol-treated group was decreased. The level of urethral phosphodiesterase activity in the ethanol-Scolopendra double administered rats was as low as in the normal group, while the one in the ethanol-treated group was increased. The erectile response to a cavernous nerve stimulation in L-NAME $(10^{-4})-treated$ rats was restored by the Scolopendra to the similar level seen in the normal group. The electile response to cavernous nerve stimulation in the ethanol-Scolopendra double administered rats were increased as high as in the normal group while the one in the ethanol-treated group was decreased. Scolopendra was effective in restoring the ethanol-induced or L-NAME-induced erectile dysfunction in rats.

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