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Á¦°¡ À̹ø ÁÖ ¹ßÇ¥ÇÒ ³í¹®Àº 2022³â 3¿ù Mucosal immunology¿¡ ÃâÆÇµÈ 'Vitamin D receptor upregulates tight junction protein claudin-5 against colitis-associated tumorigenesis'ÀÔ´Ï´Ù.

VDR signalingÀÌ epithelial barrier function¿¡ ¸¹Àº °ü¿©¸¦ ÇÏ°í ÀÖ´Ù´Â Á¡Àº ¾Ë·ÁÁ® ÀÖÁö¸¸, Á¤È®È÷ ¾î¶² ÀÛ¿ëÀ» ÅëÇØ À庮 °­È­¿¡ ±â¿©¸¦ ÇÏ´ÂÁö´Â ¾Ë·ÁÁø ¹Ù°¡ ¸¹Áö ¾Ê½À´Ï´Ù. 

ÇØ´ç ¿¬±¸ÆÀÀº Vitamin D¿Í intestinal inflammationÀÇ ¿¬°ü¼ºÀ» ÁßÁ¡À¸·Î ¿¬±¸¸¦ ÁøÇàÇÏ°í ÀÖÀ¸¸ç, ±× Áß¿¡¼­µµ ÃÖ±Ù claudin family¿Í VDR ¿¬°ü¼º°ú °ü·ÃµÈ °á°úµéÀ» ¸¹ÀÌ ¹ßÇ¥ÇÏ°í ÀÖ½À´Ï´Ù.
 
À̹ø ³í¹®¿¡¼­´Â Àå ³» Claudin-5°¡ VDR Àü»çÀÎÀÚ downstreamÀÇ targetµÇ´Â ºÎÀ§À¸·Î½á VDR¿¡ ÀÇÇØ ¹ßÇöÀÌ Á¶ÀýµÊÀ» ¹àÇû½À´Ï´Ù.

¶ÇÇÑ Àå³» ¿°Áõ°ú ´ëÀå¾Ï ¸ðµ¨¿¡¼­ VDRÀÇ gain and loss of functionÀ» ÅëÇØ Àå³» homeostasis°¡ Tight junction À¯Áö¸¦ ÅëÇÑ º¸È£±â´ÉÀ» ÇÔÀ» ¹àÇô³»¾ú½À´Ï´Ù.

ÇöÀç ÁøÇàÁßÀÎ ¿¬±¸¿¡¼­ Àå³» barrier function À¯Áö¿¡ °ü¿©ÇÏ´Â Tight junction protein°úÀÇ ¿¬°ü¼ºÀ» ¹àÈ÷±â À§ÇÑ ½ÇÇèÀ» ÁغñÇÏ´ø Áß Claudin family Áß ÇϳªÀÎ Claudin-5¿Í VDRÀÇ ¿¬°ü¼º¿¡ °ü·ÃµÈ ³í¹®À» ã°ÔµÇ¾î °øºÎÇغ¸¾Ò½À´Ï´Ù.


¿­½ÉÈ÷ ÁغñÇÏ¿© Åä¿äÀÏ¿¡ ºË°Ú½À´Ï´Ù.

³í¹®¸µÅ©: https://www.nature.com/articles/s41385-022-00502-1#Sec12
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