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ÈòÁã¿¡¼­ Nitric Oxide Donor¿Í Prostaglandin E1ÀÇ º´ÇÕÅõ¿©°¡ À½°æ¹ß±â¿¡ ¹ÌÄ¡´Â È¿°ú Effect of a Combination of Nitric Oxide Donor with Prostaglandin El on Penile Erection in Rats

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Abstract

°á·Ð
ÀúÀÚµéÀÇ °æ¿ì CGMP °æ·ÎÀÇ NO donor¿Í CAMP °æ·ÎÀÇ
PGE1À» ÀÌ¿ëÇÏ¿© ÈòÁã¿¡¼­ À̵éÀÇ º´ÇÕÅõ¿©°¡ ¹ß±â¿¡ ¹ÌÄ¡´Â È¿°ú¸¦ ¾Ë¾Æº¸
°í, ¶ÇÇÑ ÀÌ ¹æ¹ýÀÇ ÀÓ»óÀû À¯¿ë¼º À» ¾Ë¾Æº¸°íÀÚ ÇÏ¿´´Ù.
½ÇÇè°á°ú PGE1(10-7-10-4M)À̳ª NO donor
(SIN-1, SNAP, SNP, 10-7-10-3M)¸¦ ´Üµ¶À¸·Î À½°æÇظéü³»¿¡
Åõ¿©ÇÑ °æ¿ì ³óµµ ÀÇÁ¸ÀûÀÎ ¾ç»óÀ¸·Î À½°æ ¹ß±â¸¦ À¯µµÇÏ¿´´Ù. ÀÌÁß °í³óµµÀÇ SNPÀÇ °æ¿ì
À½°æÇظéü ½Å°æÀ» ÀÚ±ØÇßÀ» ¶§¿Í À¯»çÇÑ À½°æÇظéü ³»¾ÐÀÇ Áõ°¡¸¦ À¯µµÇÏ¿´À¸³ª ½É°¢ÇÑ
Àü½ÅÇ÷¾ÐÀÇ ÀúÇϸ¦ À¯¹ß½ÃÄ×´Ù. PGE1(5x10-6M)°ú NO donorµé
°ú º´ÇÕÅõ¿©±ºÀÇ °æ¿ì ¸ðµç ³óµµ(10-7-10-3M)¿¡¼­ ´Üµ¶Åõ¿©½Ã
º¸´Ù À½°æÇظéü ³»¾ÐÀÇ Áõ°¡¸¦ º¸¿´°í, Àú³óµµÀÇ SNP¿ÍÀÇ º´ÇÕÅõ¿©±º¿¡¼­´Â ½É°¢ÇÑ Àü½Å
Ç÷¾ÐÀÇ ÀúÇÏ°¡ ¾øÀÌ °¡Àå È¿°úÀûÀ¸·Î À½°æÇظéü³»¾ÐÀÇ Áõ°¡¸¦ À¯¹ßÇÏ¿´´Ù.
°á·ÐÀûÀ¸·Î PGE1°ú NO donor, ƯÈ÷ Àú³óµµÀÇ SNP,ÀÇ À½°æÇظéü³» º´ÇÕÅõ
¿©´Â ÇâÈÄ ÀÓ»ó½ÇÇèÀ» ½ÃµµÇÑ ¹ß±âºÎÀüÀÇ Ä¡·á¿¡ È¿°úÀûÀ¸·Î À¯¿ë µÉ ¼ö ÀÖÀ» °ÍÀ¸·Î »ç·á
µÈ´Ù.
#ÃÊ·Ï#
Purpose: Nitric oxide(NO)-cyclic GMP pathway has a dominant role In penile erection
over other neurotransmission pathway, which suggests that NO donor is a more
physiologic and effective agent than others in the treatment of erectile dysfunction.
However, the clinical efficacy of NO donor remains debatable. We investigated the effect
of combination of NO donor with prostaglandin El(PGE1) on
penile erection in the rat to predict its clinical utilization.
Materials and Methods: Intracavernous injection of PGE1 alone(10
-7
-10-4M) or NO donor alone(SIN-1, SNAP, SNP, 10
-7
-10-3M) induced penile erection in a dose dependent manner.
Results: Of those, SNP at high doses produced full erection, comparable to that induced
by cavernous nerve stimulation. It also caused significant drop of systemic blood
pressure. In combined injection of PGE1(5xl0-6M) with NO
donor, every combination with SIN-1 , SNAP, or SNP enhanced penile erection all
doses(10-7-10-3M). Of those, combined injection with low
dose SNP was found to be most erective to produce penile erection without significant
hypotension.
Conclusions: The results suggest that intracavernous injection of combined NO donor,
especially low dose SNP, with PGE1 will be effective in the treatment of
erectile impotence, although it require clinical investigation.

Å°¿öµå

Penile erection; Nitric oxide; Prostaglandin El;

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