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'Timed Regulation of 3BP2 Induction Is Critical for Sustaining CD8+ T Cell Expansion and Differentiation' ÀÔ´Ï´Ù.
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MHC:antigen-TCR °áÇÕ(initial activation) ÈÄ¿¡ CD8+T ¼¼Æ÷ÀÇ ºÐÈ´Ü°è µ¿¾È adaptor proteinÀÎ 3BP2°¡ 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 moleculeµéÀÎ LCK, 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¸µÀÎ ERK, 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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