Lab. Seminar
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Á¦°¡ ¼±Á¤ÇÑ ³í¹®Àº À̹ø´Þ Immunity ¿¡ ÃâÆǵÈ
"A non-classical monocyte-derived macrophage subset provides a splenic replication niche for intracellular salmonella" ÀÔ´Ï´Ù.
Intracellular bacteria ÀÎ salmonella ¿Í mononuclear phagocytes °£ »ó°ü°ü°è¿Í ÀÌ ¼¼Æ÷µéÀÇ multiple subsets ¿¡ ´ëÇØ º¸°íµÇ°í ÀÖÁö¸¸ ¿©ÀüÈ÷ infection »óȲ¿¡¼ ÀÌ cell population ÀÇ ±â´É¿¡ ´ëÇؼ± ¾Ë·ÁÁø¹Ù°¡ °ÅÀÇ ¾ø½À´Ï´Ù. º» ³í¹®¿¡¼´Â early systemic infection »óȲ¿¡¼ intracellular salmonella typhimurium ÀÇ mononuclear niche ¸¦ È®ÀÎÇÏ¿´½À´Ï´Ù. ¶ÇÇÑ mouse spleen ¿¡¼ ÀÌ ¹ÚÅ׸®¾ÆÀÇ eclipse-like growth kinetics ¸¦ È®ÀÎÇßÀ» ¶§, ù¹ø° ±¸°£ (°¨¿° ÈÄ 8½Ã°£±îÁö) ¿¡¼´Â bacterial control ÀÌ tissue-resident red-pulp macrophage ¿¡ ÀÇÇØ ÀϾ¸ç °¨¿° ÈÄ 8½Ã°£-24½Ã°£ÀÎ second phase ¿¡¼´Â bacterial replication ÀÌ CD9 À» ¹ßÇöÇÏ´Â macrophage ¿¡¼ ÀϾ´Â °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù.
¶ÇÇÑ ÀÌ CD9+ macrophage ´Â salmonella ¿¡ ÀÇÇØ ÀÌ¿ëµÇ´Â detoxificating oxidized lipids pathway ¸¦ À¯µµÇϸç, non-classical monocytes ·ÎºÎÅÍ À¯·¡µÈ ¼¼Æ÷ÀÓÀ» ¹àÇû½À´Ï´Ù.
Salmonella ¿Í phagocytes °£ »ó°ü°ü°è¿Í infection »óȲ¿¡¼ cell type ÀÇ º¯È µîÀ» °øºÎÇϱâ À§ÇØ ¼±Á¤ÇÏ¿³½À´Ï´Ù.
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