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2022-05-27
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¾È³çÇϼ¼¿ä. ±â¼± ÀÔ´Ï´Ù.

Á¦°¡ ¹ßÇ¥ÇÒ ³í¹®Àº Immunity¿¡ 2022³â¿¡ ÃâÆÇµÈ 'The gut microbiota prime systemic antiviral immunity via the cGAS-STING-IFN-I axis'ÀÔ´Ï´Ù.

Gut microbiota°¡ bacteria ¹× fungal infection¿¡ Áß¿äÇÏ´Ù´Â °ÍÀº ÀÌ¹Ì ¸¹ÀÌ ¾Ë·ÁÁ® ÀÖÀ¸¸ç

º» ¿¬±¸¿¡¼­´Â gut microbiota°¡ viral infection¿¡ ´ëÇ×Çϴµ¥ Á߿伺À» ¿¬±¸ÇÏ¿´½À´Ï´Ù.

Type 1 interferonÀº viral infection¿¡ ´ëÇ×Çϱâ À§ÇÏ¿© ¸Å¿ì Áß¿äÇÑ cytokineÀÌÁö¸¸ steady state¿¡¼­µµ ¹Ì·® »ý»êÀÌ µÇ¸ç immune systemÀÇ homeostasis¸¦ À¯ÁöÇÕ´Ï´Ù.

´ëºÎºÐÀÇ °æ¿ì gut microbiota°¡ ÀÌ tonic type 1 interferon »ý¼º¿¡ °ü¿©ÇÑ´Ù°í »ý°¢Çϸç

Gut microbiota¿¡ ÀÇÇÑ tonic type 1 interferonÀÇ »ý¼º °ü·Ã ½Ã±×³Î·Î´Â TLR¿¡ ÀÇÇÑ ½Ã±×³ÎÀÌ ÁÖ·Î °ü·ÃÀÌ ÀÖ´Ù°í ¿¬±¸°¡ µÇ¾úÀ¸³ª

¸î¸î ¿¬±¸¿¡¼­´Â TLRÀ» knock out ½ÃÄ×À» ½Ã¿¡µµ tonice type 1 interferonÀÌ »ý¼ºµÊÀ» È®ÀÎÇÔ¿¡ µû¶ó signal¿¡ °üÇؼ­´Â ¿¬±¸µéÀÌ »óÃæµÇ´Â ºÎºÐÀÌ ÀÖ½À´Ï´Ù.

º» ¿¬±¸¿¡¼­µµ gut microbiota°¡ tonic type 1 interferon »ý¼º¿¡ Áß¿äÇÔÀ» antibiotics¸¦ ó¸®ÇÏ¿© gut microbiota¸¦ ¾ø¾Ø ÈÄ È®ÀÎÇÏ¿´Áö¸¸

signalÀÇ °æ¿ì TLRÀÌ ¾Æ´Ñ STING pathway¸¦ È®ÀÎÇÏ¿´½À´Ï´Ù.

STING pathway´Â DNA¸¦ sensingÇÏ¿© activationÀÌ µÇ¸ç º» ¿¬±¸¿¡¼­´Â bacteria°¡ »ý¼ºÇÏ´Â DNA°¡ µé¾îÀÖ´Â membrane vesicleÀÌ intestinal epithelial cellÀ» Åë°úÇÏ¿©

Àå ¹× Ç÷¾×À» Ÿ°í À̵¿Çϸç tonic type 1 interferon »ý¼º¿¡ °ü¿©ÇÔÀ» ¹àÇû½À´Ï´Ù.

 

¿­½ÉÈ÷ ÁغñÇÏ¿© Åä¿äÀÏ¿¡ ºËµµ·Ï ÇÏ°Ú½À´Ï´Ù

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À¯ ±â¼± ¿Ã¸²

¸µÅ©: https://linkinghub.elsevier.com/retrieve/pii/S1074-7613(22)00177-7

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