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¾È³çÇϼ¼¿ä, À̹ø ÁÖ ¹ßÇ¥ÀÚ ±èµµ¿µÀÔ´Ï´Ù. 

Á¦°¡ ¼±Á¤ÇÑ ³í¹®Àº 2021³â Nature Medicine¿¡ ÃâÆÇµÈ "Humoral signatures of protective and pathological SARS-CoV-2 infection in children"ÀÔ´Ï´Ù. 

¼ºÀÎÀº SARS-CoV-2¿¡ °¨¿°µÇ¸é °æÁõ ¶Ç´Â ÁßÁõÀÇ Áúº´°ú ³ôÀº »ç¸Á·üÀ» º¸ÀÌÁö¸¸, ¼Ò¾ÆȯÀÚµéÀº ¹«Áõ»ó ¶Ç´Â °æÁõÀÇ Áõ»ó Á¤µµ¸¦ º¸ÀÌ¸ç ¼ºÀΰú ¾î¸°ÀÌ °£ÀÇ clinical phenotype Â÷À̸¦ º¸ÀÔ´Ï´Ù. ¶ÇÇÑ, ÀϺΠ¼Ò¾ÆȯÀÚ´Â °¨¿° ¸î ÁÖ ÈÄ ÁßÁõ ÇÕº´ÁõÀÎ ¼Ò¾Æ ´Ù±â°ü ¿°Áõ ÁõÈıº (Multisystem Inflammatory Syndrome in Children; MIS-C)À» ¹ßº´½ÃÅ°´Â °æ¿ìµµ °üÂûµË´Ï´Ù.

µû¶ó¼­, º» ³í¹®¿¡¼­´Â systems serology¸¦ ÅëÇØ 1) (ÁßÁõ, °æÁõ) ¼ºÀΰú (°æÁõ) ¼Ò¾ÆȯÀÚ °£ÀÇ Ç×ü ±¸¼ºÀÇ Â÷ÀÌ¿Í, 2) MIS-C¸¦ ¹ßº´ÇÏ´Â ¼Ò¾Æ ȯÀÚÀÇ serological Ư¡À» È®ÀÎÇÏ¿´½À´Ï´Ù. 

°á°úÀûÀ¸·Î 1) ³ªÀÌ°¡ ¾Æ´Ñ Áúº´ÀÇ ÁßÁõµµ¿¡ µû¶ó ¸é¿ª ÇÁ·ÎÆÄÀÏÀÌ ´Þ¶óÁüÀ» È®ÀÎÇߴµ¥, ÁßÁõ¿¡ ºñÇØ °æÁõ¿¡¼­´Â IgA ¹× phagocytic activityÀÇ Á¤µµ°¡ ³·Àº °ÍÀ» È®ÀÎÇÏ¿´°í, 2) MIS-C¿¡¼­´Â ºñƯÀÌÀûÀÌ°í Áö¼ÓÀûÀÎ functional IgG-driven immunityÀÇ ÁõÆøÀÌ È®ÀεǾú½À´Ï´Ù. 

ÀÌ·¯ÇÑ °á°ú¸¦ ¹ÙÅÁÀ¸·Î ¼Ò¾Æ ȯÀÚÀÇ Áúº´ ÁßÁõµµ Â÷ÀÌ ¹× ÇÕº´Áõ ±âÀü¿¡ ÀÖ¾î IgG¿Í IgAÀÇ Á߿伺À» ½Ã»çÇÕ´Ï´Ù. 

Systems serology °øºÎ¸¦ À§ÇØ ÀÌ ³í¹®À» ¼±Á¤ÇÏ¿´½À´Ï´Ù. 

Åä¿äÀÏ¿¡ ºË°Ú½À´Ï´Ù. 
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³í¹®¸µÅ©: https://www.nature.com/articles/s41591-021-01263-3
 
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