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'Lactate increases stemness of CD8+ T cells to augment anti-tumor immunity'ÀÔ´Ï´Ù.
À§ ³í¹®Àº ÇØ´ç°úÁ¤À» ÅëÇØ »ý¼ºµÇ´Â ÁÖ¿ä ´ë»ç»ê¹°ÀÎ lactate°¡ CD8+ T cellÀÇ Ç×Á¾¾ç ¸é¿ª¹ÝÀÀ¿¡ ¹ÌÄ¡´Â ¿¬±¸¿¡ ´ëÇÏ¿© È®ÀÎÇÑ ³í¹®ÀÔ´Ï´Ù.
°á°úÀûÀ¸·Î, tumor bearing mice¿¡ ÇÇÇÏ·Î lactate¸¦ Åõ¿© ÇØÁÖ¾úÀ» ½Ã CD8+ T cell ÀÇÁ¸ÀûÀ¸·Î tumor growth°¡ ¾ïÁ¦µÇ´Â °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù.
±× ±âÀüÀ¸·Î´Â lactate Åõ¿©¿¡ µû¶ó, tumor¿¡ ħÅõÇÑ CD8+ T cellÀÌ stemnessÀÇ Æ¯Â¡À» ¶ç°í ÀÖÀ½À» TCF-1ÀÇ ¹ßÇö°ú ½ÃÄö½Ì µ¥ÀÌÅ͸¦ ÅëÇÏ¿© È®ÀÎÇÏ¿´½À´Ï´Ù.
ÀÌ·¯ÇÑ fate¸¦ ¶ç°Ô ÇÒ ¼ö ÀÖ¾ú´ø °ÍÀº epigenetic regulator·Î½áÀÇ lactateÀÇ ±â´É ¶§¹®À̸ç,
memory fate/ stem like fate¸¦ °áÁ¤ÁöÀ» ¼ö ÀÖ´Â pro-memory gene ¿µ¿ª H3K27ÀÇ ¾Æ¼¼Æ¿È°¡ lactate¿¡ ÀÇÇØ Áõ°¡ÇÔÀ» È®ÀÎÇÔÀ¸·Î½á, ±× ±âÀüÀ» Ç®¾î³Â½À´Ï´Ù.
µû¶ó¼ Çش翬±¸´Â lactateÀÇ pH¿¡ ÀÇÇÑ ¿µÇâ°ú´Â µ¶¸³ÀûÀ¸·Î, Ç×Á¾¾ç ¸é¿ª¿¡¼ lactateÀÇ º»ÁúÀûÀÎ ¿ªÇÒÀ» È®ÀÎÇÔ¿¡ ÀÇÀÇ°¡ ÀÖ´Â ³í¹®ÀÌ¿´½À´Ï´Ù.
º» ³í¹®ÀÇ lactate¿¡ ´ëÇÑ ±âÀüÀ» epigenetic regulator·Î Ç®¾î³½ Á¡°ú, ¿¬±¸¸¦ ÁøÇàÇÏ´Â È帧ÀÌ Àú¿Í À¯»çÇÏ¿© ³í¹® ÀÛ¼º½Ã Âü°íÇÏ°íÀÚ ÇÏ¿© °øºÎÇÏ¿´½À´Ï´Ù.
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https://www.nature.com/articles/s41467-022-32521-8#MOESM1