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À̹ø ³í¹®Àº 2021³â PNAS ¿¡ ÃâÆÇµÈ 'Tfh cells depend on Tcf1-intrinsic HDAC activity to suppress CTLA4 and guard B-cell help function.' ÀÔ´Ï´Ù.
Follicular helper T cell (Tfh)Àº humoral immunity ¿¡ À־ Áß¿äÇÑ ¿ªÇÒÀ» ´ã´çÇÏ°í ÀÖÀ¸¸ç ƯÈ÷ GCBC response ¿Í antibody Çü¼º¿¡ ÇʼöÀûÀ̶ó°í ¾Ë·ÁÁ® ÀÖ½À´Ï´Ù.
Tfh surface ¿¡´Â marker ·Î ¾Ë·ÁÁø PD-1 »Ó¸¸ ¾Æ´Ï¶ó ¿©·¯ coinhiboty molecule µéÀÌ Á¸ÀçÇϴµ¥, PD-1 Àº Tfh marker ÀÎ CXCR5 ÀÇ ¹ßÇö°ú B cell °úÀÇ interaction À» Á¶ÀýÇÑ´Ù°í ¾Ë·ÁÁ® ÀÖÀ¸¸ç, CTLA4 ´Â ³·Àº ¼öÁØÀ¸·Î ¹ßÇöÇÏ°í ÀÖÁö¸¸ B cell response Á¶Àý¿¡ critical ÇÏ´Ù°í ¾Ë·ÁÁ® ÀÖ½À´Ï´Ù.

º» ¿¬±¸ÆÀÀº ¼±Ç࿬±¸·Î Àü»çÀÎÀÚ Tcf1 ÀÌ CD8 T cell intrinsic HDAC ·Î¼­ÀÇ ¿ªÇÒ, ±×¸®°í Tcf1 ÀÇ ±â´ÉÀ» Lef1 ÀÌ compensate ÇÑ´Ù´Â °Í ¶ÇÇÑ ¹àÇô³Â½À´Ï´Ù.

À§ ³»¿ëÀ» ¹ÙÅÁÀ¸·Î º» ¿¬±¸¿¡¼­´Â Tcf1/Lef1 ÀÌ Tfh intrinsic HDAC ·Î¼­ coinhibitory molecule Á¶ÀýÀ» ÅëÇØ B cell response ¿¡ ¿µÇâÀ» ÁÖ´Â °ÍÀ» ¹àÈù ³í¹®ÀÔ´Ï´Ù.

Á¦ ¿¬±¸¿¡¼­ ³í¸®Àû È帧°ú ¹æÇ⼺ ¼±Á¤¿¡ µµ¿òÀ» ¾ò°íÀÚ ¼±Á¤ÇÏ¿´½À´Ï´Ù.

¿­½ÉÈ÷ ÁغñÇÏ¿© Åä¿äÀÏ¿¡ ºË°Ú½À´Ï´Ù.

- µµºó ¿Ã¸².

³í¹®¸µÅ© : https://www.pnas.org/doi/10.1073/pnas.2014562118#supplementary-materials

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