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À̹ø ¹ßÇ¥ ³í¹®Àº 2021³â 9¿ù nature communication¿¡ ÃâÆÇµÈ ‘Salmonella Typhimurium reprograms macrophage metabolism via T3SS effector SopE2 to promote intracellular replication and virulence’ ÀÔ´Ï´Ù.

 

À§ ³í¹®Àº Salmonella Typhimurium (STM)ÀÌ ¾î¶»°Ô macrophage³»¿¡¼­ systemic infectionÀ» ÀÏÀ¸Å°°í intracellular replicationÀ» ÇÏ´ÂÁö ¹àÈù ³í¹®ÀÔ´Ï´Ù. 

 

Salmonella´Â macrophage³»¿¡¼­ ¾Ï¼¼Æ÷·Î À¯¹ßµÈ´Ù°í Àß ¾Ë·ÁÁø Warburg effect¸¦ À¯¹ßÇϴµ¥ À̸¦ ÅëÇØmacrophage³»ÀÇ metabolismÁß OXPHOS¸¦ glycolysis·Î ÀüȯÇÕ´Ï´Ù. ÀÌ´Â SalmonellaÀÇ virulence¸¦ Áõ°¡½ÃÅ°°í macrophage ³»¿¡¼­ SalmonellaÀÇ replicationÀ» ¿ëÀÌÇÏ°Ô ÇÔÀ» ¹àÇû½À´Ï´Ù. 

 

°ü·Ã ¸ÞÄ¿´ÏÁòÀ¸·Î´Â T3SS effectorÀÎ SPI-1°ú SPI-2¸¦ ÅëÇÑ serine synthesis reduction°ú pyruvate, lactateÀÇ sensingÀ» ÀÌ¿ëÇÔÀ» È®ÀÎÇÏ¿´½À´Ï´Ù. 

 

¶ÇÇÑ, À§ °úÁ¤À» ÅëÇÏ¿© »ý¼ºµÈ macrophageÀÇ 3PG¸¦ uptakeÇÏ¿© intracellular replicationÀ» ÇÑ´Ù´Â °ÍÀ» È®ÀÎÇÏ¿´½À´Ï´Ù.

 

°á°úÀûÀ¸·Î, STMÀÌ macrophage glucose metabolismÀ» reprogrammingÇÏ¿© ÀÌ·Î ÀÎÇÏ¿© »ý±ä carbon source¸¦ uptakeÇÔÀ¸·Î½á STMÀÇ systemic infectionÀ» controlÇÔÀ» º¸¿©ÁÖ¾ú½À´Ï´Ù.

 

¿­½ÉÈ÷ ÁغñÇÏ¿© Åä¿äÀÏ¿¡ ºË°Ú½À´Ï´Ù.

 

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³í¹® ¸µÅ© : https://www.nature.com/articles/s41467-021-21186-4

 

 

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