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Á¦°¡ À̹ø¿¡ ¼±Á¤ÇÑ ³í¹®Àº 2021³â PNAS ¿¡ ÃâÆǵÈ
'E2A-regulated epigenetic landscape promotes memory CD8 T cell differentiation'ÀÔ´Ï´Ù. 

À§ ³í¹®Àº single cell ¼öÁØ¿¡¼­ effector/memory CD8 T cell·Î ºÐÈ­ ÁßÀÇ transcriptional change¿¡ ´ëÇÏ¿© ¿¬±¸ÇÑ ³í¹®ÀÔ´Ï´Ù.

¿¬±¸ÁøÀº single cell RNA¿Í transcriptomeÀ¯·¡ gene regulatory network ºÐ¼®À» ÅëÇؼ­ naive, SLEC/MPEC, memory CD8 T cell¿¡¼­ÀÇ °¢°¢ÀÇ ÁÖ¿ä regulonÀ» È®ÀÎÇÏ¿´À¸¸ç, ÇØ´ç regulonµéÀº enhancer landscape¿¡ µû¶ó Á¶Àý µÇ¾î CD8 T cell fate¸¦ °áÁ¤ Áþ´Â´Ù´Â °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù. 

SLEC°ú MPECÀÌ ¸ðµÎ effector½Ã±â¿¡´Â effector cell·Î½á ºñ½ÁÇÑ ¾ç»óÀ» °¡Áö°í ÀÖÀ¸¸ç ½Ã°£ÀÌ °æ°úµÇ¸é µÎ°¡Áö ŸÀÔ ¸ðµÎ¿¡¼­ memory related geneÀÌ ¼Õ½ÇµÇÁö¸¸, MPEC¿¡¼­´Â E2A, TCF7µîÀÇ Á¶ÀýÀ» ÅëÇÏ¿© ÀÎÇÚ¼­ÀÇ Á¢±Ù¼ºÀÌ È¸º¹µÇ¾î ÇØ´ç geneµéÀÇ re-express°¡ °¡´ÉÇÏ°Ô µÊÀ» È®ÀÎÇÏ¿´½À´Ï´Ù. 

´õ ³ª¾Æ°¡, E2A¸¦ °ú¹ßÇö ½ÃÄ×À» ½Ã ¸Þ¸ð¸® Çü¼ºÀ» À¯¸®ÇÏ°Ô ¸¸µêÀ» È®ÀÎÇÏ¿´½À´Ï´Ù. 

Àúµµ ATAC seqÀ» ÁøÇàÇÏ¿´¾ú´Âµ¥, ÇØ´ç ATACµ¥ÀÌÅ͸¦ Á» ´õ ´Ù¾çÇÑ °¢µµ¿¡¼­ ºÐ¼®Çغ¸°íÀÚ ÇÏ¿© epigenetic ºÎºÐÀ» °øºÎÇÏ°íÀÚ ¼±Á¤ÇÏ¿´½À´Ï´Ù.

°¨»çÇÕ´Ï´Ù. 

³í¹® ¸µÅ© : https://www.pnas.org/doi/10.1073/pnas.2013452118

 

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