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'Linoleic acid potentiates CD8+ T cell metabolic fitness and antitumor immunity' ÀÔ´Ï´Ù.
À§ ³í¹®Àº PUFA Áß¿¡¼ linoleic acid°¡ CTLÈ°¼ºÀ» Çâ»ó½ÃÄÑ tumor controlÀ» ÀÌ·ç¾î ³¿¿¡ ÀÖ¾î positive regulator ¶ó´Â °ÍÀ» È®ÀÎÇÑ ³í¹®ÀÔ´Ï´Ù.
Positive regulator·Î½á CTL ±â´ÉÀ» Çâ»ó½ÃÅ°´Â ¿©·¯ ±âÀüÀº ´ÙÀ½°ú °°½À´Ï´Ù.
[1] ¸ÕÀú, CTLÀ» activation½ÃÅ°´Â °úÁ¤¿¡ linoleic acid¸¦ ÇÔ²² cultureÇØÁÖ¾úÀ» ½Ã, exhaustion»óÅ·ÎÀÇ ÁøÇàÀ» ¸·À½°ú µ¿½Ã¿¡ Çâ»óµÈ effector functionÀ» °¡Áö´Â memory liked phenotypeÀ¸·ÎÀÇ ºÐȸ¦ ³ô¿©, CTL·Î½áÀÇ ±â´ÉÀÌ Çâ»óµÊÀ» È®ÀÎÇÏ¿´½À´Ï´Ù.
[2] ¶ÇÇÑ, linoleic acidÀº ER°ú mitochondria contactÀÇ Çü¼ºÀÌ Çâ»ó½ÃÅ°°í, ÀÌ´Â ³ôÀº Ä®½· ½ÅÈ£Àü´ÞÀ» ÀÏÀ¸ÄÑ CTL effector functionÀÌ Áõ°¡ÇÏ°Ô µÊÀ» È®ÀÎÇÏ¿´½À´Ï´Ù.
[3] ¸¶Áö¸·À¸·Î´Â linoleic acid°¡ intracellular¿¡ Á¸ÀçÇÏ´Â ¿©·¯ ÁöÁúÀ» ´ëüÇÏ°Ô µÇ°í, ƯÈ÷ ¼¼Æ÷¸· ÀÎÁöÁú¿¡ PUFAÀÇ ºñÀ²ÀÌ ³ô¾ÆÁüÀ¸·Î½á TCR avidity°¡ ³ô¾ÆÁ® CTL effector functionÀ» Áõ°¡½ÃÄ×À» °ÍÀ̶ó´Â ±âÀü ¶ÇÇÑ Á¦½ÃÇÏ¿´½À´Ï´Ù.
ÀÌ·¯ÇÑ ¿¬±¸¸¦ ÅëÇÏ¿© ¹àÇô³½ linoleic acidÀÇ ±â´ÉÀ» anti tumor, Áï CAR T cell¿¡ Àû¿ëÇغ¸¾ÒÀ» ½Ã, ±× È¿°ú·Î ÀÎÇØ ³ôÀº antitumor ±â´ÉÀ» ³ªÅ¸³»¾î, metabolic state·Î ÀÎÇØ ³ªÅ¸³ª´Â CAR T cell Ä¡·áÁ¦ÀÇ hurdleÀ» ¶Ù¾î³ÑÀ» Àü·«À¸·Î Á¦½ÃµÉ ¼ö ÀÖ¾ú½À´Ï´Ù.
À§ ³í¹®Àº 'metabolic fitness'ºÎºÐ¿¡¼ ´Ù¾çÇÑ ½Ã°¢À¸·Î Á¢±ÙÇغ¼ ¼ö ÀÖ¾î °øºÎÇÏ°Ô µÇ¾ú½À´Ï´Ù.
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https://www.sciencedirect.com/science/article/pii/S1550413123000499