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"Secreted gelsolin inhibits DNGR-1-dependent cross-presentation and cancer immunity" À̸ç

ÀÛ³â 7¿ù¿¡ Cell¿¡ ¹ßÇ¥µÇ¾ú½À´Ï´Ù. ÃÖ±Ù Cross-presentation¿¡ ƯȭµÈ cDC1ÀÌ DNGR-1 (CLEC9A)À» ³ô°Ô ¹ßÇö Çϸç, 

±â´ÉÀûÀ¸·Îµµ dead cell associated antigenÀ» lectin receptorÀÎ DNGR-1À» ÅëÇØ uptakeÇϸç endosomeÀÇ rupture¸¦ ÅëÇØ 

Cross-presentationÀ» À¯µµÇÒ ¼ö ÀÖÀ½ÀÌ ¾Ë·ÁÁ³½À´Ï´Ù. 

À̹ø ³í¹®µµ ÀÌ DNGR-1ÀÇ ±â´É°ú °ü°è°¡ ÀÖ½À´Ï´Ù.

Ç÷Àå³»¿¡¼­ necrotic cell¿¡ ÀÇÇØ ³ëÃâµÈ actin filaments¸¦ Á¦°ÅÇÏ°í ¼Õ»óµÈ Á¶Á÷ÀÇ È¸º¹À» µ½´Â °ÍÀ¸·Î ¾Ë·ÁÁø ÁÖ¿äÇÑ actin-binding protein (ABP)ÀÎ secreted gelsolins(sGSN)ÀÌ

tumor »óȲ¿¡¼­´Â ¿ÀÈ÷·Á immune escaping°ú °ü·ÃÀÌ ÀÖ´Ù°í ¾Ë·ÁÁ³½À´Ï´Ù.  ´Ù¸¸ À̶§ ¼¼ºÎÀûÀÎ ±âÀü¿¡ ´ëÇؼ­´Â ¾Ë·ÁÁø ¹Ù°¡ ¾ø¾ú´Âµ¥, 

À̹ø ³í¹®¿¡¼­´Â sGSNÀÌ DNGR-1ÀÌ dead cancer cellÀÇ F-actin°ú bindingÇÏ´Â °ÍÀ» ¾ïÁ¦ÇÏ¿©, cross-presentationÀÇ À¯µµ¸¦ ¸·´Â ´Ù´Â °ÍÀ» ¹àÇû½À½À´Ï´Ù. 

Åä¿äÀÏ¿¡ ºË°Ú½À´Ï´Ù. 

³í¹® ¸µÅ© : https://doi.org/10.1016/j.cell.2021.05.021
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