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À̹ø ¹ßÇ¥ÇÒ ³í¹®Àº Áö³ 26ÀÏ nature immunology¿¡ ÃâÆÇµÈ 'Distinct metabolic requirements regulate B cell activation and germinal center responses' ÀÔ´Ï´Ù.
ÀϹÝÀûÀ¸·Î non-proliferating cell Àº glucose °¡ pyruvate ·Î ÀüȯµÇ¸é mitochondria È£ÈíÀ» ÅëÇÑ OXPHOS ·Î ¿¡³ÊÁö¸¦ ¾ò´Â´Ù°í ¾Ë·ÁÁ® ÀÖÀ¸¸ç, highly-proliferating cell °ú °°Àº °æ¿ì oxygen ÀÌ ÃæºÐÈ÷ Àִµ¥µµ ºÒ±¸ÇÏ°í pyruvate ¸¦ lactate ·Î ÀüȯÇÏ¿© glycolysis ¸¦ »ç¿ëÇÑ´Ù°í ¾Ë·ÁÁ® ÀÖ½À´Ï´Ù. ÀÌ °úÁ¤¿¡¼ Lactate dehydrogenase (LDH) °¡ pyruvate ¸¦ lactate ·Î ÀüȯÇÑ´Ù°í ¾Ë¶óÁ® ÀÖ½À´Ï´Ù.
Humoral immune response ÀÇ ÁÖÃàÀÌ µÇ´Â GC B cell ÀÇ °æ¿ì¿¡µµ highly proliferative Çϱ⠶§¹®¿¡ metabolic demand °¡ ³ôÀ¸¸ç glucose uptake, mitochondrial content °¡ ¸ðµÎ ³ô´Ù°í ¾Ë·ÁÁ® ÀÖ½À´Ï´Ù. ÇÏÁö¸¸ ÀϹÝÀûÀÎ proliferating cell °ú ´Ù¸£°Ô, GC B cell Àº glycolysis ¸¦ ÃÖ¼ÒÈÇÏ°í fatty acid oxidation ¿¡ ÀÇÁ¸ÇÑ´Ù°í º¸°íµÈ¹Ù ÀÖ½À´Ï´Ù.. °á°úÀûÀ¸·Î highly proliferating cell ÀÓ¿¡µµ ºÒ±¸ÇÏ°í aerobic glycolysis ÀÇ ¿ªÇÒÀÌ GC B cell ¿¡¼´Â Àß ¾Ë·ÁÁ® ÀÖÁö ¾Ê½À´Ï´Ù.
º» ¿¬±¸¿¡¼´Â CD4, CD23 Cre system °ú LDHA fl/fl À» ÅëÇØ T-dependent GC ¿¡¼ aerobic glycolysis °¡ Áß¿äÇÏ´Ù´Â °ÍÀ» ¹àÇûÀ¸¸ç T-independent ¿¡¼´Â º» ¿ªÇÒÀ» ÇÏÁö ¾Ê´Â´Ù°í ¼³¸íÇÏ°í ÀÖ½À´Ï´Ù. ¶ÇÇÑ AID Cre system À» ÅëÇØ B cell ÀÌ activation µÈ ÀÌÈÄ¿¡´Â aerobic glycolysis °¡ Áß¿äÇÏÁö ¾Ê´Ù´Â °ÍÀ» º¸¿©ÁÖ¾î B cell activation ´Ü°è¿¡ µû¸¥ metabolic change ¸¦ º¸¿©ÁÖ°í ÀÖ½À´Ï´Ù.
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