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Abstract

¼­·Ð
À½°æÀÇ ¹ß±â´Â Çظéü½Å°æ°ú Çظéü³»ÇǼ¼Æ÷¿¡¼­ ºÐºñµÇ´Â ½Å°æÀü´Þ¹°Áú¿¡ ÀÇÇØ Çظéü
³»ÀÇ µ¿¸Æ°ú Çظéü Á¶Á÷À» µÑ·¯½Î°í ÀÖ´Â ÆòÈ°±ÙÀÇ ÀÌ¿Ï¿¡ ÀÇÇØ ¹ß»ýµÇ¸ç À̶§ Çظéü Á¶
Á÷ ³»·Î µ¿¸Æ Ç÷·ùÀÇ À¯ÀÔÀÌ Áõ°¡µÇ°í Á¤¸Æ Ç÷·ùÀÇ À¯ÃâÀÌ Â÷´ÜµÇ¾î ³ªÅ¸³ª´Â °ÍÀ¸·Î ¾Ë·Á
Á® ÀÖ´Ù. À½°æÇظéü ¹ß±â¿¡ ½Å°æÀü´Þ¹°Áú·Î½á »êÈ­Áú¼Ò(Nitric Oxide, NO)°¡ °ü¿©ÇÑ´Ù´Â »ç
½ÇÀÌ ¾Ë·ÁÁö±â Àü¿¡´Â ¾Æ¼¼Æ¿Äݸ° µîÀÇ ¹°ÁúÀÌ °ü¿©ÇÏ´Â °ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ¾úÀ¸³ª, ÃÖ±ÙÀÇ
»ýü ¿Ü ½ÇÇ迬±¸¿¡¼­ À½°æÇظéü ÀÌ¿ÏÀº »êÈ­Áú¼ÒÀÇ ºÐºñ¿¡ µû¸¥ guanylate cyclaseÀÇ È°
¼ºÈ­¿¡ À̾î guandine 3',5'-cyclic monophosphate(cyclic GMP)ÀÇ Çü¼º¿¡ ±âÀÎÇÏ´Â °ÍÀ¸·Î
¾Ë·ÁÁ® ÀÖ´Ù. µ¿¾ç¿¡¼­´Â ÀλïÀÌ Á¤·Âº¸°­Á¦·Î ¸¹ÀÌ »ç¿ëµÇ¾î ¿ÔÀ¸³ª ü°èÀûÀÎ ¿¬±¸°¡ µå¹°
¾î ±× ÀÛ¿ë±âÀüÀº Àß ¾Ë·ÁÁ® ÀÖÁö ¾Ê´Ù. Panax ginseng¿¡¼­ ÃßÃâµÈ Àλï»çÆ÷´ÑÀº Ãʱ⿡
ÆóÇ÷°üÀ» À̿ϽÃÅ°´Â ½ÇÇè¿¡ ÀÌ¿ëµÇ¾úÀ¸¸ç Ç÷°üÀÇ ÀÌ¿ÏÀº NW -nitro -L
-arginine (L-NAME)¿¡ ÀÇÇØ ¾ïÁ¦µÈ´Ù°í ÇÏ¿´°í, Àλï»çÆ÷´ÑÀÌ L-arginine¿¡¼­ citrullineÀ¸
·ÎÀÇ º¯È¯À» Áõ°¡½ÃÅ°´Â °ÍÀ¸·Î º¸¾Æ »êÈ­Áú¼ÒÀÇ ÇÕ¼ºÀ» Çâ»ó½Ãų °¡´É¼ºÀÌ ³ôÀº ÀÌÀ¯·Î ÀÎ
»ï»çÆ÷´ÑÀÌ À½°æÇظéüÀÇ ÀÌ¿Ï¿¡ °ü¿©ÇÑ´Ù°í ¾Ë·ÁÁ® ÀÖÀ¸¸ç ÀÌ´Â »êÈ­Áú¼Ò¿Í °ü·ÃÀÌ ÀÖ´Ù°í
º¸°íµÇ±âµµ ÇÏ¿´´Ù. µû¶ó¼­ ÀúÀÚµéÀº Àλï»çÆ÷´ÑÀÌ À½°æÇظéüÆòÈ°±ÙÀÇ ÀÌ¿Ï¿¡ À־ÀÇ È¿
°ú ¹× ÀÛ¿ë±âÀüÀ» ±Ô¸íÇÏ¿© »õ·Î¿î NO donor·Î¼­ Àλï»çÆ÷´ÑÀÇ °¡Ä¡¸¦ ¾Ë°íÀÚ ÀÌ ¿¬±¸¸¦
½ÃÇàÇÏ¿´´Ù.
#ÃÊ·Ï#
Purpose: Ginseng saponin, the active ingredients extracted from Panax ginseng, has
been used as aphrodisiacs in oriental country, however the exact action mechanism of
ginseng saponin still remains uncertain. This study was undertaken to see if ginseng
crude saponin(GCS) induce the L-arginine/Nitric oxide(NO) pathway related the corpus
cavernosal smooth muscle relaxation, and to obtain the fundamental data for clinical
application.
Materials and Methods: Isometric tension changes of rabbit corpus cavernosal strip to
various drugs and electrical stimulation in an organ chamber(volume:30m1) were
recorded with a pressure transducer.
Results: GCS(0.2-8.0mg) relaxed the smooth muscle of rabbit corpus cavernosum
(SMRCC) precontracted with phenylephrine(10-5M) in dose-dependent
manner GCS at the concentration of 0.75mg significantly enhanced the relaxation of
corpus cavernosum induced by the electrical field stimulation. GCS(0.2-8.0mg)-induced
relaxation was significantly attenuated by atropine(10-6M), methylene
blue(10-4M) and L-NAME(10-5M), but there was no
significant change of GCS-induced relaxation of SMRCC by adding VIP antagonist or
indomethacin. In addition, the inhibition of GCS-induced relaxation of SMRCC by
methylene blue or L-NAME was greater than that by atropine.
Conclusions: These data suggest that GCS, as a NO donor, induces the relaxation of
SMRCC through the L-arginine/NO pathway. For the clinical application of GCS, further
studies should be needed to clarify the subfraction of GCS. (Korean J Urol 1998; 39: 44
3¡­9)

Å°¿öµå

Ginseng saponin; citric oxide pathway;

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KoreaMed
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