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Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ / v.23, no.2, 2010³â, pp.165-171
±¹³»»ê Âü´Ù·¡ ÃßÃâ¹°ÀÇ ½Å°æµ¶¼º ¹æ¾îÈ¿°ú
( Neuroprotective Effects of Korean Kiwifruit against t-BHP-induced Cell Damage in PC12 Cells )
±èÁ¤Èñ;¾çÈñ°æ;È«ÇöÁÖ;°­¿ø¿µ;±èµ¿°Ç;±è¼ºÃ¶;¼Û°üÁ¤;;ÇÑÃ¢ÈÆ;ÀÌ¿µÀç; Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;±¹¸³¿ø¿¹Æ¯ÀÛ°úÇпø ¿Â³­È­´ëÀÀ³ó¾÷¿¬±¸¼¾ÅÍ;Á¦ÁÖ´ëÇб³ »ý¸íÀÚ¿ø°úÇдëÇÐ;Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;Á¦ÁÖ´ëÇб³ ¼öÀǰú´ëÇÐ;
 
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»êÈ­Àû ½ºÆ®·¹½º·ÎºÎÅÍ Âü´Ù·¡ °ú½Ç ÃßÃâ¹°ÀÇ ½Å°æ¼¼Æ÷ º¸È£È¿°ú¿¡ ¹ÌÄ¡´Â ¿µÇâÀ» ¾Ë¾Æº¸±â À§ÇÏ¿© ½Å°æ¼¼Æ÷ÁÖÀÎ PC12 ¼¼Æ÷¸¦ ÀÌ¿ëÇÏ¿© Âü´Ù·¡ °ú½ÇÃßÃâ¹°ÀÇ Àü󸮰¡ »êÈ­Àû ¼Õ»óÀ¸·ÎºÎÅÍ À¯¹ßµÇ´Â ½Å°æ¼¼Æ÷»ç¸êÀ» ¾ïÁ¦ÇÒ ¼ö ÀÖ´ÂÁö Á¶»çÇÏ¿´´Ù. t-BHP¿¡ ÀÇÇØ À¯µµµÈ ½Å°æ¼¼Æ÷¼Õ»óÀ¸·ÎºÎÅÍ ¼¼Æ÷»ç¸êÀ» ¾ïÁ¦ÇÏ¿© ¼¼Æ÷»ýÁ¸µµ¸¦ Áõ°¡½ÃÄ×À¸¸ç ¼¼Æ÷»ç¸ê·ÎºÎÅÍ Çü¼ºµÇ´Â ÇÙÀÇ ³óÃàÇö»ó°ú ´ÜÆíÈ­°¡ ÇöÀúÈ÷ °¨¼ÒÇÔÀ» È®ÀÎ ÇÒ ¼ö ÀÖ¾ú´Ù. ±×¸®°í Bcl-2 ´Ü¹éÀÇ ¹ßÇö Áõ°¡, Bax ´Ü¹éÀÇ ¹ßÇö °¨¼Ò, caspase-3ÀÇ È°¼º, PARP ºÐÇØ ´Ü¹é(85KDa)°¨¼Ò, ERK, p38 Ȱ¼ºÀ» °¨¼Ò½ÃÄ×´Ù. µû¶ó¼­ Âü´Ù·¡ °ú½ÇÀÇ ÃßÃâ¹°Àº ½Å°æ¼¼Æ÷Áõ½ÄÈ¿°ú¸¦ ÅëÇØ ½Å°æ¼¼Æ÷¼Õ»óÀ¸·ÎºÎÅÍ À¯¹ßµÇ´Â ´Ù¾çÇÑ ÅðÇ༺ ³úÁúȯÀÇ ¿¹¹æ¿¡ µµ¿òÀÌ µÉ °ÍÀ¸·Î ³ªÅ¸³µ´Ù.
Oxidative stress induced by reactive oxygen intermediates has been implicated in a variety of human diseases including neurodegenerative disorders, cancer, cardiovascular and respiratory diseases, and mode of action of environmental toxicants. Tert-butylhydroperoxide (t-BHP) is an organic lipid hydroperoxide analogue, which is commonly used as a pro-oxidant for evaluating mechanisms involving oxidative stress in cells and tissues. In this study, the underlying mechanisms involved in the protective effects of Hwabuk 94 kiwifruit (Actinidia deliciosa cv. 'Hwabuk 94'), which is cultivated in Jeju, on the t-BHP-induced cytotoxicity in PC12 cell. The pretreatment of rat pheochromocytoma cell line PC12 with Hwabuk 94 extract ($1-100;{mu}g/ml$) resulted in a significant recovery from t-BHP-induced cell death and increased Bcl-2 and procaspase-3 expression, whereas the expression of Bax and cleaved PARP were decreased in a dose-dependent manner compared to the control. Furthermore, Hwabuk 94 inhibited the t-BHP-induced p38 MAP kinase and extracellular signal-regulated kinase 1/2, but not c-Jun N-terminal kinase activations. Finally, these findings suggest that Hwabuk 94 kiwifruit might attenuate t-BHP-induced PC12 cell cytotoxicity, at least in part, through the inhibition of signaling pathways mediated by the ERK1/2 and p38 MAP kinase.
 
Ű¿öµå
kiwifruit;Hwabuk 94;t-BHP;rat pheochromocytoma (PC12) cells;Bcl-2;Bax;procaspase-3;ERK1/2;p38 MAP kinase;
 
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸÁö / v.23, no.2, 2010³â, pp.165-171
Çѱ¹ÀÚ¿ø½Ä¹°ÇÐȸ
ISSN : 1226-3591
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO201021147394815)
¾ð¾î : Çѱ¹¾î
³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø
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