¾È³çÇϼ¼¿ä, À̹øÁÖ ¹ßÇ¥ÀÚ ±è¼öÁöÀÔ´Ï´Ù.
Á¦°¡ ¼±Á¤ÇÑ ³í¹®Àº ¿ÃÇØ NPjvaccines ¿¡ ÃâÆǵÈ
"Three immunizations with Novavax’s protein vaccines increase antibody breadth and provide durable protection from SARS-CoV- 2" ÀÔ´Ï´Ù.
ÀÌ ¿¬±¸´Â SARS-CoV-2 ¿¡ ´ëÇÑ Novavax »çÀÇ NVX-CoV2373 nanoparticle Spike protein vaccine ÀÇ ¸é¿ª Áõ°¹ÝÀÀ¿¡ ´ëÇÑ ÀÌÇظ¦ ³ÐÈ÷´Â ¸ñÀûÀ¸·Î, rhesus macaques À» ÀÌ¿ëÇÑ ½ÇÇèÀ» ÁøÇàÇß½À´Ï´Ù.
¸ÕÀú NVX-CoV2373 ¿¡ Æ÷ÇԵǾî ÀÖ´Â adjuvant ÀÎ Matrix-M ÀÌ Àü½ÅÀÌ ¾Æ´Ñ ±¹¼ÒÁ¶Á÷¿¡¼ ¸é¿ª¹ÝÀÀÀ» À¯µµÇÏ´Â °ÍÀ» È®ÀÎÇß°í, NVX-CoV2373 ·Î 2ȸ Á¢Á¾ ÈÄ 7°³¿ù µÚ¿¡ P.1 (gamma) variant ¿¡ ±â¹ÝÇÑ ¾÷µ¥ÀÌÆ® ¹é½Å (NVX-CoV2443) À» Ãß°¡ Á¢Á¾ÇÑ °á°ú À¯ÀǹÌÇÑ Ç×ü¹ÝÀÀÀÌ ÀϾ´Â °ÍÀ» È®ÀÎÇß½À´Ï´Ù.
±¸Ã¼ÀûÀ¸·Î, Anti-spike antibody titer ¿Í ¿À¹ÌÅ©·Ð¿¡ ´ëÇÑ neutralization À» Æ÷ÇÔÇÑ antibody breadth °¡ Áõ°¡Çß°í ƯÈ÷ ¼¼¹ø° Ãß°¡ Á¢Á¾ ÈÄ¿¡ Spike specific memory B cell pool (somatic hypermutation, antibody avidity) ÀÌ È®ÀåµÇ¾î affinity maturation °¡ ÀϾÀ½À» È®ÀÎÇß½À´Ï´Ù.
¶ÇÇÑ 3¹ø Á¢Á¾ÇÑ µÚ 縰Áö ÇßÀ» ¶§, ¹é½Å ±×·ì¿¡¼´Â SARS-CoV-2 WA-1, P.1 strain ¿¡ ´ëÇØ rapid anamnestic antibody, T cell response ¸¦ lung ¿¡¼ ÀÏÀ¸ÄÑ º¸È£È¿°ú¸¦ ÀÏÀ¸Å°´Â °ÍÀ» È®ÀÎÇß½À´Ï´Ù.
Adjuvant ¿Í ÇÔ²² Á¢Á¾µÇ´Â subunit vaccine ÀÇ È¿°ú¿Í ¸ÞÄ¿´ÏÁòÀ» È®ÀÎÇÏ´Â ¿¬±¸¿¡ ´ëÇÑ ½ÇÇèµðÀÚÀΰú °ü·Ã ³»¿ë °øºÎ¸¦ À§ÇØ ¼±Á¤Çß½À´Ï´Ù.
³í¹®»çÀÌÆ®:
Three immunizations with Novavax’s protein vaccines increase antibody breadth and provide durable protection from SARS-CoV-2 | npj Vaccines (nature.com)