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À̹ø ÁÖ Á¦°¡ ¼±Á¤ÇÑ ³í¹®Àº ¿ÃÇØ 10¿ù¿¡ PNAS¿¡ Ãâ°£µÈ

'CD8 T cells drive anorexia, dysbiosis, and blooms of a commensal with immunosuppressive potential after viral infection' ÀÔ´Ï´Ù.
 

ÀÌ ³í¹®¿¡¼­´Â Áõ½Ä ¼Óµµ°¡ ºü¸£°í °¨¿°ÀÌ ¿À·¡ Áö¼ÓµÇ´Â LCMV¿¡ °¨¿°µÈ ¸¶¿ì½º¿¡¼­ ƯÁ¤ Á¾ (A. muciniphila)ÀÇ Àå³» ¹Ì»ý¹°ÀÇ Áõ°¡°¡ ÀÖ¾ú°í, ÀÌ·¯ÇÑ Çö»óÀÌ CD8 T cell¿¡ ÀÇÇÑ °Å½ÄÁõ°ú ¿¬°üÀÌ µÇ¾î CD8 T cellÀ» depletion½ÃÄ×À» ¶§ Àå³»¹Ì»ý¹°ÀÇ Á¶¼ºÀÌ ¿ø·¡ »óÅ·Πº¹±ÍÇÏ¸ç °Å½ÄÁõ ¶ÇÇÑ È£ÀüµÊÀ» º¸¿´½À´Ï´Ù. ¶ÇÇÑ A. muciniphila¸¦ LCMV¿¡ °¨¿°µÈ ¸¶¿ì½º¿¡°Ô ±Þ¿©ÇÒ ½Ã, splenic CD8 T cellÀÇ È°¼º°ú °ü·ÃµÈ ºÐÀÚ (Granzyme B) ¹× Àü»çÀÎÀÚ (T-bet)ÀÇ ¹ßÇöÀÌ ¾ïÁ¦µÊÀ» º¸¿´½À´Ï´Ù.
 

ÀÌ ³í¹®À» ¼±Á¤ÇÏ°Ô µÈ ÀÌÀ¯´Â ÇöÀç Àå³»¹Ì»ý¹°¿¡ °üÇÑ ¿¬±¸¿¡ °ü½ÉÀÌ ÀÖ¾î Àå³» ¹Ì»ý¹°ÀÇ º¯È­¿Í ¾î¶² ¸é¿ª Çö»óÀÇ »ó°ü°ü°è¸¦ ¿¬±¸ÇÒ Áö¿¡ ´ëÇØ °í¹ÎÀ» ÇÏ´ø Áß, ÀÌ ³í¹®ÀÌ ¹ÙÀÌ·¯½º °¨¿°°ú Àå³» ¹Ì»ý¹°ÀÇ º¯È­, ±×¸®°í ¸é¿ª ¼¼Æ÷°£ÀÇ »ó°ü°ü°è¸¦ º¹ÇÕÀûÀ¸·Î ´Ù·ç°í Àֱ⿡, ÀÌ¿¡ ´ëÇØ °øºÎÇϱâ À§ÇØ ¼±Á¤ÇÏ¿´½À´Ï´Ù.

¶ÇÇÑ Àå³»¹Ì»ý¹° º¯È­¿¡ µû¸¥ ¸é¿ª¼¼Æ÷ÀÇ ºÐÀÚ ¼öÁØ¿¡¼­ÀÇ ¸é¿ªÇÐÀû ¸ÞÄ¿´ÏÁòÀÇ º¯È­¿¡ ´ëÇؼ­µµ °øºÎÇغ¸±â À§ÇØ ¼±Á¤ÇÏ¿´½À´Ï´Ù.
 

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³í¹®¸µÅ©: https://www.pnas.org/content/117/40/24998

 

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