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2023-08-04
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À̹ø ¹ßÇ¥ ³í¹®Àº ¿ÃÇØ 5¿ù  Cell Reports ¿¡ ÃâÆÇµÈ 'STAT3 signaling in B cells controls germinal center zone organization and recycling'ÀÔ´Ï´Ù.

STAT3 ´Â germinal center (GC) response ¿¡ Áß¿äÇÑ factor µéÀ̶ó°í ¾Ë·ÁÁø IL-6, IL-21 À» Æ÷ÇÔÇÏ¿© type I interferon µî ´Ù¾çÇÑ  stimuli ÀÇ downstream À¸·Î Àß ¾Ë·ÁÁ® ÀÖ½À´Ï´Ù. 

STAT3 ´Â GC response ¿¡ ÁÖ¿ä ¸é¿ª¼¼Æ÷ÀÎ Tfh ÀÇ positive regulator ·Î¼­ À߾˷ÁÁ® ÀÖÀ¸¸ç, GC B cell formation °ú maintenance ¿¡µµ Áß¿äÇÏ´Ù°í º¸°íµÈ¹Ù ÀÖÁö¸¸ Çö»óÀûÀÎ ºÎºÐÀ» ³Ñ¾î¼­ GC B cell intrinsic mechanism ¿¡ ´ëÇؼ­´Â ¾ÆÁ÷ ¾Ë·ÁÁø ¹Ù°¡ ¾ø½À´Ï´Ù.

º» ¿¬±¸¿¡¼­´Â B cell conditional STAT3 KO mice system À» È°¿ëÇÏ¿© immunization ±×¸®°í viral infection ¿¡ À־ GC B cell ÀÇ Çü¼º, ¼¼ºÎÀûÀ¸·Î´Â light zone (LZ) ¿¡¼­ dark zone (DZ) À¸·ÎÀÇ recycling ¿¡ °ü¿©Çϸç ƯÈ÷ LZ ¿¡¼­ T cell °ú interaction °úÁ¤¿¡¼­ T cell-derived signal ÀÇ downsignaling À» Á¶ÀýÇÏ´Â ¸Å°³·Î¼­ ÀÛ¿ëÇÑ´Ù´Â °ÍÀ» ¹àÈù ³í¹®ÀÔ´Ï´Ù.

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³í¹®¸µÅ© : https://www.cell.com/cell-reports/fulltext/S2211-1247(23)00523-5
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