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"Maternal diet modulates the infant microbiome and intestinal Flt3L necessary for dendritic cell development and immunity to respiratory infection" ÀÔ´Ï´Ù.
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ÀÌ¿¡ º» ³í¹®¿¡¼´Â ÀӽŠ¹× ¼öÀ¯ ÁßÀÎ ¸¶¿ì½º¿¡ °¢°¢ low-fiber diet(LFD)¿Í high-fiber diet (HFD)¸¦ ±ÞÀÌÇÑ ÈÄ »ýÈÄ 7ÀÏÂ÷ ÀÚ¼Õ ¸¶¿ì½º¿¡°Ô viral infectionÀ» ÅëÇØ sLRIs¸¦ À¯µµÇÏ¿´½À´Ï´Ù.
±× °á°ú·Î LFD¸¦ ±ÞÀÌÇÑ ¸¶¿ì½º ±×·ìÀÇ ÀÚ¼ÕµéÀº viral infection¿¡ ´ëÇÑ ÀúÇ×¼ºÀÌ ¶³¾îÁö¸ç, »ýÈÄ 60ÀÏ·É µ¿ÀÏÇÑ ¸¶¿ì½º¿¡°Ô Experimental asthma¸¦ À¯µµÇÏ¿´À» ½Ã¿¡µµ ´õ ³ôÀº Eosinophil, IgE µîÀ» °üÂûÇÏ¿´½À´Ï´Ù.
ÀÌ¿¡ ±× ¸ÞÄ¿´ÏÁòÀ» ÆľÇÇÏ°íÀÚ lung tissue, mediastinal LN, ¼ÒÀå, ´ëÀå ¹× mesenteric LN¿¡ Á¸ÀçÇÏ´Â regulatory T cellÀÇ ¼ö°¡ °¨¼ÒÇÑ °ÍÀ» È®ÀÎÇß½À´Ï´Ù.
ÀÌ·¸°Ô Treg cellÀÌ °¨¼ÒÇÑ »óȲÀÌ plasmacytoid dendritic cellÀÌ depletionµÈ »óȲ°ú À¯»çÇÑ °ÍÀ» Åä´ë·Î µ¿ÀÏÇÑ ±â°ü ³» pDC number¿Í surface molecule expressionÀ» È®ÀÎÇÏ¿´°í pDCÀÇ number°¡ °¨¼ÒÇÏ°í co-stimulatory molecule expressionÀÌ º¯ÈÇÑ °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù.
ÀÌ·¯ÇÑ Çö»óÀÇ ¿øÀÎÀº HFD ±ÞÀÌ ¸¶¿ì½ºÀÇ ¸ðÀ¯¿¡ Á¸ÀçÇÏ´Â milk microbiomeÀÌ ÀÚ¼Õ¿¡°Ô Àü´ÞµÇ°í, ÀÌÈÄ ÀÚ¼Õ ¸¶¿ì½º¿¡ Çü¼ºµÈ microbiome À¯·¡ propionate°¡ neonatal intestine epithelial cell¿¡¼ Çü¼ºµÇ´Â DC growth factorÀÎ Flt3L levelÀ» »óÇâ Á¶ÀýÇÏ´Â °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù. ¶ÇÇÑ Áõ°¡ÇÑ Flt3L¿¡ ÀÇÇØ pDC development ¹× ÀÌÈÄ Çü¼ºµÇ´Â Treg cellÀÇ ¼ö¸¦ Áõ°¡½ÃÄÑ sRLI¿¡ ´ëÇÑ protectionÀ» Çü¼ºÇÏ´Â ±âÀüÀ» ¹àÇû½À´Ï´Ù.
Áï, ÀÌ ³í¹®Àº HFD·Î ÀÎÇØ º¯ÈÇÑ Àå³» microbiomeÀÌ DCÀÇ development stage¿¡ ¿µÇâÀ» ¹ÌÃÄ viral infection¿¡ ´ëÇÑ protection±îÁö º¯È½Ãų ¼ö ÀÖ´Ù´Â °ÍÀ» ¹àÇû½À´Ï´Ù.
ÇØ´ç ³í¹®À» ¼±Á¤ÇÑ ÀÌÀ¯´Â ÃÖ±Ù µ¥ÀÌÅÍ ¹ÌÆÿ¡¼ Diet regulationÀÌ DCÀÇ maturation stage»Ó¸¸ ¾Æ´Ï¶ó development ¶Ç´Â homeostasis¿¡µµ ¿µÇâÀ» ¹ÌÄ¥ ¼ö ÀÖ´Ù´Â ÄÚ¸àÆ®¸¦ ¾ò¾î, ¼±ÇàµÈ ¿¬±¸ÀÇ È帧 ¹× ³í¸®¸¦ °øºÎÇϱâ À§ÇØ ¼±Á¤ÇÏ¿´½À´Ï´Ù.
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