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Abstract

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´ëÇÑ Àú¿Â È¿°ú¿Í µ¿°á º¸Á¸¿¡ °ü·ÃµÈ ¿¬±¸°¡ ½ÃÀÛµÈ ÀÌÈÄ Á¤ÀÚ¸¦ ºñ·ÔÇÑ ÀÎüÀÇ ¼¼Æ÷³ª Á¶
Á÷ÀÇ µ¿°á º¸Á¸À» À§ÇÑ ³Ãµ¿ »ý¹°ÇÐÀû ¿¬±¸°¡ ²ÙÁØÈ÷ ÁøÇàµÇ¾î ¿Ô´Ù. 20¼¼±âÃÊ¿¡´Â µ¿°á º¸
Á¸Á¦ÀÇ ¹ß°ßÀ¸·Î ÀÎÇØ 15% ÀÌÇÏ¿¡ ºÒ°úÇÏ¿´´ø µ¿°á Á¤ÀÚÀÇ È¸¼öÀ²ÀÌ »ó´çÈ÷ °³¼±µÈ ¹Ù ÀÖ
´Ù. ÇöÀç ÈçÈ÷ »ç¿ëµÇ´Â µ¿°áº¸Á¸Á¦´Â glycerolÀ̸ç, glycerol¿¡ ÀÇÇØ µ¿°á ¿Âµµ°¡ ÇÏ°­µÇ°Å
³ª, µ¿°á °úÁ¤¿¡ ³ëÃâµÈ ¼¼Æ÷ÀÇ ÀüÇØÁú ³óµµ°¡ ³·¾ÆÁö¸ç, glycerolÀÚü°¡ ¼¼Æ÷¸·¿¡ °áÇÕÇÏ¿©
¼¼Æ÷¸·À» ¾ÈÁ¤È­½ÃÅ°¹Ç·Î µ¿°á°ú Çص¿ °úÁ¤¿¡¼­ »ý±æ ¼ö ÀÖ´Â ¼Õ»óÀ¸·ÎºÎÅÍ ¼¼Æ÷¸¦ º¸È£ÇÑ
´Ù. ±× ¹Û¿¡ sorbitol, ³­È², Æ÷µµ´ç, °ú´ç, ±¸¿¬»ê, ÀÎ, ¾ËºÎ¹Î, kallikrein, EDTA³ª verapamil
µîÀÇ Ä®½·Ä¡È¯Á¦, pentoxifylline µîÀÇ methylxanthine À¯µµÃ¼ ±×¸®°í ±âŸ ¿©·¯ °¡Áö ¿ÏÃæ¾×
µîÀÌ µ¿°á º¸Á¸Á¦¿¡ ÷°¡µÉ ¼ö ÀÖ´Ù. ±×·¯³ª ³²¼º ºÒÀÓ È¯ÀÚÀÇ Á¤ÀÚ¾× ³»¿¡¼­ Áõ°¡µÇ¾ú°Å³ª
µ¿°á°ú Çص¿ °úÁ¤ Áß¿¡ ¹ß»ýÇÑ È°¼º »ê¼Ò(reactive oxygen species)³ª ÀúÇÏµÈ ³»Àμº Ç×»êÈ­
Á¦¿¡ ÀÇÇØ »ó´ëÀûÀ¸·Î Áõ°¡µÈ È°¼º »ê¼Ò°¡ Á÷Á¢ ¼¼Æ÷ ¼Õ»óÀ» À¯¹ßÇÒ ¼ö ÀÖÀ¸¸ç ¶ÇÇÑ Á¤ÀÚ
¼¼Æ÷¸· Ä¡ÁúÀÇ °ú»êÈ­ °úÁ¤¿¡ ÀÇÇØ Á¤ÀÚÀÇ ¿îµ¿¼ºÀ̳ª ¼öÁ¤´ÉÀÌ ÀúÇ쵃 ¼ö ÀÖ´Ù. µû¶ó¼­ µ¿
°á°ú Çص¿ °úÁ¤ Áß¿¡ ¹ß»ýÇÑ È°¼º »ê¼ÒÀÇ ÀÛ¿ëÀ» ¾ïÁ¦Çϱâ À§ÇØ µ¿°á º¸Á¸Á¦ ³»¿¡ Ç×»êÈ­Á¦
ÀÇ Ã·°¡°¡ ÇÊ¿äÇϳª Ç×»êÈ­Á¦ÀÇ Á¾·ù¿Í Åõ¿© ¿ë·®¿¡ °üÇÑ ¿¬±¸´Â Á¦ÇѵǾî ÀÖ´Â ½ÇÁ¤ÀÌ´Ù.
ÀúÀÚ´Â Á¤ÀÚÀÇ µ¿°á º¸Á¸°ú Çص¿ °úÁ¤¿¡¼­ ¹ß»ýÇÏ´Â È°¼º »ê¼Ò¿¡ ÀÇÇÑ Á¤ÀÚ ¼Õ»ó Á¤µµ¿Í
µ¿°á º¸Á¸Á¦ ³» Ç×»êÈ­Á¦ÀÇ Ã·°¡°¡ Á¤ÀÚÀÇ È¸¼öÀ²¿¡ ¹ÌÄ¡´Â È¿°ú¸¦ Æò°¡Çϱâ À§ÇØ
superoxide dismutase, catalase, glutathione peroxidaseµî ¿©·¯ Ç×»êÈ­Á¦°¡ ´Üµ¶ ȤÀº È¥ÇÕ
ÇÏ¿© ÷°¡µÈ µ¿°á º¸Á¸Á¦·Î µ¿°áÇÏ¿© Çص¿ ÈÄÀÇ Á¤ÀÚÀÇ ÇüÅÂ, ¿îµ¿¼ºÀÇ º¯È­ ±×¸®°í ¼¼Æ÷¸·
ÁöÁúÀÇ °ú»êÈ­ Á¤µµ¸¦ Á¶»çÇÏ¿´´Ù.

Purpose: It is known that reactive oxygen species which increase during the
cryopreservation of sperm are harmful to sperm. This study analyzed the concentration,
motility, morphology and lipid peroxidation of cell membrane before and after the
cryopreservation of sperm for an evaluation of the influences of reactive oxygen species
in sperm function.
Materials and Methods: Semen samples from 50 normal healthy volunteers were
collected by masturbation. After liquefaction at room temperature, the semen was divided
and stored in cryogenic tubes supplemented with Ham's F-10 medium and a
cryoprotective agent. To the experimental group was added superoxide dismutase(SOD,
Sigma, USA) 100§¡, catalase(Sigma, USA) 100§¡, SOD and catalase 50§¡ and 200§¡,
glutathione peroxidase 10§¡, SOD and glutathione peroxidase 50 §¡and 20§¡. It was then
divided into groups ¥°, ¥±, ¥², ¥³ and ¥´. Antioxidant was not added to the control
group. All specimens were cryopreservated at -196¡É liquid nitrogen, then thawed at
room temperature. We analyzed sperm motility and morphology, and the level of lipid
peroxidation was measured by thiobarbituric acid(TBA).
Results: The sperm concentration and morphology did not show any significant
differences statistically between the Experimental and the control groups. After
cryopreservation, the sperm motility was significantly decreased in the experimental and
the control groups(p<0.05). In groups ¥±, ¥², ¥³ and ¥´ the sperm motility decreased
more than in group ¥° and the control group(p<0.05). In groups ¥±, ¥², ¥³ and ¥´, lipid
peroxidation of cell membrane was significantly lower than in group ¥° and the control
group(p<0.05). In both the experimental and the control groups, the ratio of motile
sperm decreased significantly, according to increasing lipid peroxidation(p<0.05, r=0.566).
Conclusions: We conclude from this study that the reactive oxygen species occuring in
sperm cryopreservation may significantly influence the function of sperm. A
cryoprotective agent supplemented with proper anti-oxidant may reduce the harmful
effect associated with sperm cryopreservation.

Å°¿öµå

Sperm cryopreservation; Anti-oxidant;

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