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Á¦°¡ À̹ø¿¡ ¼±Á¤ÇÑ ³í¹®Àº 2018³â Cell reports¿¡ ÃâÆǵÈ
'Timed Regulation of 3BP2 Induction Is Critical for Sustaining CD8+ T Cell Expansion and DifferentiationÀÔ´Ï´Ù. 
 
À§ ³í¹®Àº naïve T cell¿¡¼­ effector T cell·Î activation, proliferationµÉ ¶§¿¡ ¹Þ´Â TCR signaling complexÀÇ engagement¿¡ ´ëÇÑ ³»¿ëÀ¸·Î,
MHC:antigen-TCR °áÇÕ(initial activation) ÈÄ¿¡ CD8+T ¼¼Æ÷ÀÇ ºÐÈ­´Ü°è µ¿¾È adaptor proteinÀΠ3BP2°¡ ¾î¶»°Ô signaling¿¡ °ü¿©ÇÏ´ÂÁö, ¾î´À ½Ã±â¿¡ ¿µÇâÀ» ¹ÌÄ¡´Â°¡¿¡ ´ëÇÑ ¿¬±¸ÀÔ´Ï´Ù.

¿ì¼±ÀûÀ¸·Î 3BP2ÀÇ ¿ªÇÒÀ» ±Ô¸íÇϱâ À§ÇÏ¿© KO mouse¸¦ ÅëÇÏ¿© In vitro, in vivo »óȲ ¸ðµÎ¿¡¼­ effector, memory T cell ºÐÈ­¿¡´Â ¿µÇâÀ» ¹ÌÄ¡Áö ¾ÊÁö¸¸, effector/memory T cell ¸ðµÎÀÇ response¿Í expansion¿¡´Â ÇʼöÀûÀ̶ó´Â °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù. 

À§¿Í °°Àº °á°ú¸¦ ÀÏÀ¸Å°´Â ¸ÞÄ¿´ÏÁòÀ¸·Î½á´Â APC°¡ antigenÀ» presentÇÑ ÈÄ, later time point¿¡¼­ TCRÀÇ downstreamÀÇ signaling moleculeµéÀΠLCK, ZAP70, SLPµî°ú ÇÔ²² TCR signaling complex¸¦ ÀÌ·ç°Ô µÇ°í, ÀÌ complex´Â proximalÇÑ cell ³»ºÎ·Î spatial organizationÀ» ÀÌ·ç´Â °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù.
¶Ç ÀÌ·¯ÇÑ »óȲ¿¡¼­ ±× ÇÏÀ§ ½Ã±×³Î¸µÀΠERK, NFAT activationÀÌ ÀϾ ¼ö ÀÖÀ½À» È®ÀÎÇÏ¿´½À´Ï´Ù.

À§ ³í¹®Àº CD8 T cellÀÇ ºÐÈ­¿Í TCR signalingÀÇ °ü°è¿¡ ´ëÇØ °øºÎÇÏ´ø Áß Àоú´ø ³í¹®À̸ç, TCR signalingÀÇ Àü¹ÝÀûÀÎ ÀÌÇØ¿Í È帧À» ´Ù½ÃÇѹø °øºÎÇÏ°íÀÚ ¼±Á¤ÇÏ¿´½À´Ï´Ù.

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³í¹®¸µÅ©: https://www.cell.com/cell-reports/fulltext/S2211-1247(18)31002-7?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS2211124718310027%3Fshowall%3Dtrue
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