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ÃÊÆĸ® ¹è¾ç¼¼Æ÷¿¡¼­ Adenine Nucleotide Translocase °ú¹ßÇö¿¡ ÀÇÇÑ ¼¼Æ÷»ç¸êÀ¯µµ¿¡ °üÇÑ ¿¬±¸ Overexpression of Adenine Nucleotide Translocase Induces Apoptosis in Drosophila Cultured Cell

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½Å¸íÁÖ, ¹Ú¼Ò¿µ, À¯¹Ì¾Ö,
¼Ò¼Ó »ó¼¼Á¤º¸
½Å¸íÁÖ ( Shin Myoung-Joo ) 
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¹Ú¼Ò¿µ ( Park So-Young ) 
ºÎ»ê´ëÇб³ ºÐÀÚ»ý¹°Çаú
À¯¹Ì¾Ö ( Yoo Mi-Ae ) 
ºÎ»ê´ëÇб³ ºÐÀÚ»ý¹°Çаú

Abstract

Adenine nucteotide translocase (ANT)´Ã ¹ÌÅäÄܵ帮¾ÆÀÇ permeability transition pore(MPTP)ÀÇ ÁÖ¿äÇÑ ¿ä¼ÒÀ̸ç, ¹ÌÅäÄܵ帮¾Æ ³»¸· ¾ÈÀ½À¸·Î ADPfATP exchanù­¸¦ ´ã´çÇÑ´Ù. ÃÖ±Ù º¸°í¿¡ µû¸£¸é, Æ÷À¯µ¿¹°¿¡¼­ ANT´Â Bax¸¦ ¸Å°³·Î ÇÏ´Â ¼¼Æ÷»ç¸ê¿¡ ¿ä±¸µÇ´Â°ÍÀ¸·Î ¾Ë·ÁÁ® ÀÖ´Ù. ±×·¯³ª ÃÊÆĸ®¿¡¼­ ANT±â´É¿¡ °üÇÑ ¿¬±¸´Â °ÅÀÇ ¾Ë·ÁÁ® ÀÖÁö ¾Ê´Ù. ÃÊÆĸ®ÀÇ ANT À¯ÀüÀÚ´Â ¿°»öü»ó¿¡ ÀÌÁßÀ¸·Î ³ª¶õÈ÷ ¹è¿­µÇ¾î ¾ú¹Ç¸ç, °¢°¢ sesB¿ÍAnt2·Î ¸í¸íÇÏ°í ÀÖ´Ù. º» ¿¬±¸¿¡¼­´Â ÃÊÆĸ® À¯ÀüÀÚÀÇ ±â´É¿¬±¸¿¡ À¯¿ëÇÑ ½Ã½ºÅÛÀÎGAL4-UAS ½Ã½ºÅÛÀ» »ç¿ëÇÏ¿© ÃÊÆĸ® ¹è¾ç ¼¼Æ÷¿¡¼­ sesB¿Í Ant2ÀÇ ±â´ÉÀ» Á¶»çÇÏ¿´´Ù. Çö󽺹̵å PUAST-sesB¿Í PUAST-AnñûÀ» Á¦ÀÛÇÏ¿´°í, À̵éÀ» ÃÊÆĸ® Kc ¼¼Æ÷¿¡¢¥ pAc-GAL4 Çö󽺶ìµå¿Í ÇÔ²² transfectionÇÏ¿© RT-PCR·Î sesB¿Í h:iRlaÀÇ °ú¹ßÇöÀ» È®ÀÎÇÏ¿´´Ù. ¼¼Æ÷»ç¸êÀÇ Á¤µµ¿¡ µû¶ó ´Ù¸£°Ô ¿°»öÇÏ´Â ½Ã¾àÀÎ ¾ÆÄÚ¸®µò ¿À·»Áö(adineorange)¸¦ »ç¿ëÇÏ¿© sesB ¶Ç´Â hnt2¸¦ °ú¹ßÇö½ÃŲ Á¦Æ÷¿Í ±×·¸Áö ¾ÊÀº ¼¼Æ÷¸¦ ¿°»öÇÏ¿´´Ù. ±× °á°ú Á¤»ó¼¼Æ÷¿¡ ºñÇØ sesB ¶Ç´Â Arlt2¸¦ °ú¹ßÇö½ÃÄÁ ¼¼Æ÷¿¡¼­ ¼¼Æ÷»ç¸êÀÌ Áõ°¡ÇÔÀÌ °üÂûµÇ¾ú´Ù. ÀÌ·¯ÇÑ °á°ú´Â ÃÊÆĸ® ANTÀÇ °ú¹ßÇöÀÌ ¼¼Æ÷»ç¸êÀ» À¯µµÇÔÀ» ³ªÅ¸³»¸ç,AfÓá À¯ÀüÀÚÀÇ ¹ßÇöÀÌ»óÀÌ ¼¼Æ÷»ç¸ê°ú °ü·ÃÀÌ ÀÖÀ½À» ½Ã»çÇÏ°í ÀÖ´Ù.

The adenine nucleotide translocase (ANT) is a major component of mitochondrial permeability transition pore (MPTP) and catalyzes the exchange of adenine nucleotides across the mitochondrial inner membrane. It has recently been known that ANT is required for apoptosis mediated by Bax in mammal. However, in Drosophila, the study of ANT function is rarely known. The Drosophila ANT genes are duplicated tandemly, sesB and Ant2 respectively. In this study, using a GAL4-UAS system, we investigated the gain-of-function of sesB and Ant2 gene in Drosophila Kc cells. We confirmed overexpression of sesB and Ant2 gene in Drosophila Kc cell transiently transfected with the constructed plasmids pUAST-sesB or pUAST-Ant2, and pAc-GAL4 through RT-PCR. Subsequently, we observed apoptosis in Drosophila cultured cells transfected with the plasmid pAc-GAL4/pUAST-sesB or pAc-GAL4/pUAST-Ant2. The present results indicate that Drosophila ANT overexpression lead to apoptosis and suggest that dysregulation of ANT expression may be also associated with apoptosis.

Å°¿öµå

¼¼Æ÷»ç¸ê;GAL4-UAS ½Ã½ºÅÛ;ÃÊÆĸ® ¹è¾ç¼¼Æ÷
Adenine nucleotide translocase(ANT);Apoptosis;GAL4-UAS system;Drosophila cultured cell;Adenine nuclcotide translocase(ANT)

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