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"Fc-mediated pan-sarbecovirus protection after alphavirus vector vaccination" ÀÔ´Ï´Ù.

º» ³í¹®Àº epidemics ¸¦ ÀÏÀ¸Å°´Â betacoronavirus (sarbecoviruses) ¸¦ ¿¬±¸ÇÑ ³í¹®À¸·Î,  cross-sarbecovirus protective immunity ÀÇ ¸ÞÄ¿´ÏÁòÀ» È®ÀÎÇß½À´Ï´Ù.
pan-sarbecovirus vaccine ÀÇ °³¹ßÀº ¾ÆÁ÷ ¹ÌºñÇÑ ½ÇÁ¤À¸·Î ¿¬±¸ÁøÀº bat ¿¡¼­ human ¿¡ °¨¿°µÇ´Â strain µéÀ» ¸ðµÎ Ä¿¹öÇÏ´Â alphavirus-vectored vaccines ¸¦ ¸¸µé¾î ½ÇÇè¿¡ »ç¿ëÇß½À´Ï´Ù.
vaccination À¸·Î virus replication À» ¸·Áö´Â ¸øÇßÀ¸³ª challenge model ¿¡¼­ lethal heterologous disease ¿¡ ´ëÇÑ º¸È£È¿°ú°¡ ³ªÅ¸³²À» È®ÀÎÇß½À´Ï´Ù.
ÀÌ spike vaccine µéÀº ¿ì¼±ÀûÀ¸·Î S1 specific homologous neutralizing antibody response °¡ ÀϾ´Â °ÍÀ» È®ÀÎÇß°í FcgR4 ¿Í S2 ¿Í ¿¬°üµÈ non-neutralizing antibody function ÀÌ cross-protection ¿¡ °ü¿©ÇÏ´Â °ÍÀ» È®ÀÎÇß½À´Ï´Ù.
FcR KO mice ½ÇÇèÀ» ÅëÇؼ­µµ FcR mediated cross-protective immune response °¡ universal pan-sarbecovirus vaccine À» ¸¸µå´Âµ¥ Áß¿äÇÏ´Ù´Â °ÍÀ» È®ÀÎÇß½À´Ï´Ù.

cross-protection ÀÇ °üÁ¡À¸·Î systems serology ¸¦ ÀÌ¿ëÇØ Çؼ®ÇÑ ³í¹®À¸·Î ½ÇÇè µðÀÚÀΰú ¹æ¹ý µîÀ» °øºÎÇϱâ À§ÇØ ¼±Á¤ÇÏ¿´½À´Ï´Ù.  

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³í¹®»çÀÌÆ®:Fc-mediated pan-sarbecovirus protection after alphavirus vector vaccination - ScienceDirect
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