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Á¦°¡ À̹ø¿¡ ¼±Á¤ÇÑ ³í¹®Àº 2022³â Nature communications¿¡ ÃâÆǵÈ
'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°ÀΠlactate°¡ CD8+ T cellÀÇ Ç×Á¾¾ç ¸é¿ª¹ÝÀÀ¿¡ ¹ÌÄ¡´Â ¿¬±¸¿¡ ´ëÇÏ¿© È®ÀÎÇÑ ³í¹®ÀÔ´Ï´Ù

°á°úÀûÀ¸·Î, tumor bearing mice¿¡ ÇÇÇϷΠlactate¸¦ 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¿¡ Ä§ÅõÇÑ 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 Àִ 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¸·ÎÇ×Á¾¾ç ¸é¿ª¿¡¼­ lactateÀÇ º»ÁúÀûÀÎ ¿ªÇÒÀ» È®ÀÎÇÔ¿¡ ÀÇÀÇ°¡ Àִ 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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³í¹® ¸µÅ©: https://www.nature.com/articles/s41467-022-32521-8#MOESM1
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