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Á¦°¡ À̹ø¿¡ ¼±Á¤ÇÑ ³í¹®Àº 2023³â Cell Reports ¿¡ ÃâÆǵÈ
'Accumulation of branched-chain amino acids reprograms glucose metabolism in CD8+ T cells with enhanced effector function and anti-tumor response'ÀÔ´Ï´Ù. 
 
À§ ³í¹®Àº PP2Cm°áÇÌÀ¸·Î ÀÎÇÑ BCAA ÀÌÈ­ÀÛ¿ëÀÇ ¼Õ»ó ¶Ç´Â ½ÄÀÌ º¸ÃæÀ¸·Î ÀÎÇÑ BCAAÀÇ ÃàÀûÀº Glut1ÀÇ »óÇâ Á¶Àý°ú ¼¼Æ÷ ³» ´ë»ç È°¼ºÀÇ ¸®¸ðµ¨¸µ¸¦ À¯¹ßÇÏ°í, À̴ Çâ»óµÈ CD8+ T ¼¼Æ÷ ±â´ÉÀ» À¯µµÇÔÀ» ÀÔÁõÇÑ ³í¹®ÀÌ¿´½À´Ï´Ù.

PP2CM È¿¼Ò°¡ °áÇ̵Ǿî BCAA°¡ ÃàÀûµÇ´Â Çö»óÀÌ ¹ß»ýÇϸé Foxo1¿¡ ÀÇÁ¸ÀûÀ¸·Î glut1ÀÇ ¹ßÇöÀÌ ¼§Çâ Á¶ÀýµÇ°í ÀÌ¿¡ µû¶ó glucose uptake¾çÀÌ Áõ°¡ÇÏ¿´À¸¸ç, 
À̴ CD8 T cell metabolism reprogrammingÀ» À¯µµÇÏ¿© effector funtion°ú anti-tumor funtionÀ» Çâ»ó½ÃÅ´À» È®ÀÎÇÏ¿´½À´Ï´Ù.

ÀÌ·¯ÇÑ °á°ú´Â Human¿¡¼­µµ immune checkpoint therapy¸¦ ¹ÞÀ» ¶§ ³ôÀº BCAA¸¦ Æ÷ÇÔÇÏ°í Àִ ȯÀÚÀÇ ´õ ³ªÀº ¿¹ÈÄ¿Í anti-PD-I°úÀÇ ½Ã³ÊÁö È¿°ú¸¦ È®ÀÎÇÏ¿© clinical significance±îÁö ¿¬°áÁö¾ú½À´Ï´Ù.  

ÀÌ ³í¹®Àº CD8 T cell metabolism°ú effector functionÀ» ¿¬°áÁþ´Â È帧¿¡ ´ëÇؼ­ Âü°íÇÏ°íÀÚ °øºÎÇÏ¿´½À´Ï´Ù.

¿­½ÉÈ÷ ÁغñÇÏ¿© Åä¿äÀÏ¿¡ ºË°Ú½À´Ï´Ù.

³í¹®¸µÅ© : https://www.sciencedirect.com/science/article/pii/S2211124723001973?via%3Dihub
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¾È³çÇϼ¼¿ä, À̹ø ÁÖ ¹ßÇ¥ÀÚ ¿äÇÑÀÔ´Ï´Ù. Á¦°¡ ¹ßÇ¥ÇÒ ³í¹®Àº 2022³â 6¿ù¿¡ Immunity¿¡ ÃâÆÇµÈ "Dendritic cells can prime anti-tumor CD8+ T cell responses through major histocompatibility complex cross-dressing." ÀÔ´Ï´Ù. Anti-tumor immunity¸¦ ¸Å°³ÇÏ´Â Áß¿äÇÑ cell typeÀÎ CD8+ T cellÀÌ activ..