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Á¦°¡ À̹ø ÁÖ ¹ßÇ¥µå¸± Àú³ÎÀº ¿ÃÇØ 7¿ù JEM (Journal of Experimental Medicine)¿¡ Ãâ°£µÈ 'Foxo1 controls gut homeostasis and commensalism by regulating mucus secretion'ÀÔ´Ï´Ù.

ÀÌ ³í¹®¿¡¼­´Â Foxo1 ´Ü¹éÁúÀÌ goblet cellÀÇ mucin ºÐºñ¿¡ autophagy¸¦ ÅëÇÏ¿© °ü¿©ÇÔÀ¸·Î½á Àå³» homeostasis¸¦ À¯ÁöÇϸç, ÀÌ Foxo1ÀÌ knock-outµÉ °æ¿ì mucusÀÇ ºÐºñ°¡ Á¤»óÀûÀ¸·Î ÁøÇàµÇÁö ¾Ê¾Æ Àå³» ȯ°æÀÌ ºÒ¾ÈÁ¤ÇØÁüÀ¸·Î½á Àå³» ¿°Áõ¿¡ Ãë¾àÇØÁö°í, dysbiosis ¶ÇÇÑ ÀÌ¿¡ °ü¿©ÇÔÀ» ¹àÈ÷°í ÀÖ½À´Ï´Ù. ¶ÇÇÑ ÀÌ·¯ÇÑ dysbiosis¿¡ ÀÇÇØ tight junction proteinÀÇ ±¸¼ºÀÌ ´Þ¶óÁ® gut barrier functionÀÌ ¾àÈ­µÊÀ¸·Î½á Àå³» ¿°Áõ »óȲ¿¡ ´õ¿í Ãë¾àÇØÁüÀ» ¹àÈ÷°í ÀÖ½À´Ï´Ù.

ÀÌ ³í¹®À» ¼±Á¤ÇÑ ÀÌÀ¯·Î´Â, Á¦°¡ ÁøÇàÇÏ´Â ¿¬±¸¿¡¼­ gut barrier function¿¡ °ü¿©ÇÏ´Â geneµé (tight junction protein µî)ÀÇ ¹ßÇöÀ» Á¶»çÇÏ°í Àִµ¥, ÀÌ·¯ÇÑ gut barrier function¿¡ °ü¿©ÇÏ´Â geneµéÀÇ ¹ßÇöÀÌ dysbiosis¿¡ ÀÇÇØ ¾î¶°ÇÑ ¸ÞÄ¿´ÏÁòÀ¸·Î Á¶ÀýÀÌ µÇ´Â Áö¿¡ ´ëÇØ Á» ´õ ±íÀÌ °øºÎÇغ¸°í ¿¬±¸¿¡ Àû¿ëÇغ¸°íÀÚ ¼±Á¤ÇÏ°Ô µÇ¾ú½À´Ï´Ù.

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³í¹® ¸µÅ©: https://rupress.org/jem/article/218/9/e20210324/212492/Foxo1-controls-gut-homeostasis-and-commensalism-by

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