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Á¦°¡ ¼±Á¤ÇÑ ³í¹®Àº 2023³â 7¿ù nature communications¿¡ ÃâÆÇµÈ "Waning and boosting of antibody Fc-effector functions upon SARS-CoV-2 vaccination"ÀÔ´Ï´Ù. 

ÀÌ ³í¹®¿¡¼­´Â µÎ °¡Áö ´Ù¸¥ Äڷγª19 ¹é½Å – CoronaVac (SinovacÀÇ ºÒÈ°È­¹é½Å)°ú Pfizer/BNT162b2 (È­ÀÌÀÚÀÇ mRNA¹é½Å) – À» Á¢Á¾ÇÑ ÈÄ °¢ ¹é½ÅÀÌ À¯µµÇÏ´Â ±â´ÉÀû ü¾×¼º ¸é¿ª¹ÝÀÀÀ» systems serology·Î ºÐ¼®ÇÑ ³í¹®ÀÔ´Ï´Ù. °¢°¢ÀÇ ¹é½ÅÀ» 1, 2Â÷ Á¢Á¾ÇÑ ÈÄ peak immunogenicity¿Í functional response°¡ ½Ã°£ÀÌ Áö³²¿¡ µû¶ó ¾î¶»°Ô ÁÙ¾îµå´ÂÁö¸¦ °üÂûÇÏ¿´°í, CoronaVac 2Â÷ Á¢Á¾ ÈÄ mRNA ¹é½ÅÀ¸·Î ºÎ½ºÆà ÇßÀ» ¶§ boosting capacity¿Í Ư¡À» È®ÀÎÇß½À´Ï´Ù. 

°á°úÀûÀ¸·Î µÎ ¹é½Å Ç÷§Æû °£¿¡ ÃÖ´ë Ç×ü °áÇÕ ¿ª°¡¿Í Fc-effector ±â´É¿¡¼­ »ó´çÇÑ Â÷ÀÌ°¡ ÀÖÀ½À» ¹ß°ßÇßÀ¸¸ç, ½Ã°£ÀÌ Áö³²¿¡ µû¶ó µÎ ¹é½Å ¸ðµÎ¿¡¼­ Ç×ü °áÇÕ ¿ª°¡¿Í ±â´ÉÀÌ °¨¼ÒÇÏ´Â °ÍÀ¸·Î ³ªÅ¸³µ½À´Ï´Ù. ÁÖ¸ñÇØ¾ß ÇÒ Á¡Àº binding IgG1¿¡ ºñÇØ Fc-receptor binding antibody°¡ ÈξÀ »¡¸® °¨¼ÒÇÑ´Ù´Â Á¡ÀÔ´Ï´Ù. ¶ÇÇÑ CoronaVac 2Â÷ Á¢Á¾ ÈÄ mRNA¹é½ÅÀ¸·Î ºÎ½ºÆà ÇßÀ» °æ¿ì, Ç×ü ÀÌÆÑÅÍ ±â´ÉÀÌ Áõ°¡ÇÏ¿´À¸¸ç °æ¿ì¿¡ µû¶ó ºÎ½ºÆà ÈÄ ¸é¿ª ¹ÝÀÀÀÌ mRNA ¹é½Å ´Üµ¶ Á¢Á¾ ÈÄ¿¡ °üÂûµÇ´Â °Íº¸´Ù ´õ ³ôÀº ¼öÁØÀ¸·Î ³ªÅ¸³µ½À´Ï´Ù. Èï¹Ì·Î¿î Á¡Àº ¿À¹ÌÅ©·Ð º¯ÀÌÁÖ¿¡ ´ëÇؼ­´Â ´Ù¸¥ º¯ÀÌÁÖ¿Í ´Ù¸£°Ô CoronaVac Á¢Á¾ ÈÄ Ç×ü ±â´ÉÀÌ °üÂûµÇÁö ¾Ê¾ÒÁö¸¸, mRNA ¹é½Å ºÎ½ºÆà ÀÌÈÄ »ó´çÈ÷ Çâ»óµÈ °ÍÀ» È®ÀÎÇß½À´Ï´Ù. 

ÀÌ·¯ÇÑ °á°ú´Â ¹é½Å Ç÷§Æû¿¡ µû¸¥ ±â´ÉÀû ü¾×¼º ¸é¿ª ¹ÝÀÀÀÇ peak¿Í waning kineticsÀÇ Â÷À̸¦ µå·¯³»¸ç, heterologous boostingÀ» ÅëÇØ ¸é¿ª¹ÝÀÀÀ» À¯ÀǹÌÇÏ°Ô Çâ»ó½Ãų ¼ö ÀÖÀ½À» º¸¿©ÁÖ¾ú½À´Ï´Ù.

Heterologous vaccination¿¡ ´ëÇØ systems serology ºÐ¼®À» ½ÃÀÛÇÒ ¿¹Á¤Àε¥ °ü·Ã ³»¿ëÀ» °øºÎÇϱâ À§ÇØ ¼±Á¤ÇÏ¿´½À´Ï´Ù.

°¨»çÇÕ´Ï´Ù. 

³í¹®¸µÅ©: https://www.nature.com/articles/s41467-023-39189-8
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