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À̹ø ÁÖ ¹ßÇ¥¸¦ ¸Ã°ÔµÈ µµºóÀÔ´Ï´Ù.

À̹ø ³í¹®Àº 2021³â nature immunology¿¡ ÃâÆÇµÈ 'Selenium-GPX4 axis protects follicular helper T cells from ferroptosis' ÀÔ´Ï´Ù.

Follicular helper T cell (Tfh)Àº humoral immunity ¿¡ À־ Áß¿äÇÑ ¿ªÇÒÀ» ´ã´çÇÏ°í ÀÖÀ¸¸ç ƯÈ÷ germinal center B cell (GCBC) ºÐÈ­¿Í antibody Çü¼º¿¡ ÇʼöÀûÀ̶ó°í ¾Ë·ÁÁ® ÀÖ½À´Ï´Ù.

Tfh response ¸¦ Áõ°¡½ÃÅ°´Â °ÍÀº vaccine efficacy ¿Í Á÷°áµÈ´Ù°í º¼ ¼ö Àֱ⿡ Tfh homeostasis ´Â ¸Å¿ì Áß¿äÇÕ´Ï´Ù.

Gpx4´Â cell intrinsic ÇÏ°Ô lipid peroxidation, ROS ¸¦ °¨¼Ò½ÃÄÑ ferroptosis ¸¦ Á¶ÀýÇÑ´Ù°í ¾Ë·ÁÁ® Àִµ¥, adaptive immune cell Áß CD8 T cell, B cell (B1 cell, MZ B cell)¿¡¼­´Â Gpx4 °¡ ÀÌ·¯ÇÑ ¿ªÇÒÀ» ÇÑ´Ù°í ¾Ë·ÁÁ® ÀÖÁö¸¸ CD4 T cell ƯÈ÷, Tfh ¿¡¼­´Â ¾ÆÁ÷ ¾Ë·ÁÁ® ÀÖÁö ¾Ê½À´Ï´Ù.

ÀÌ ³í¹®¿¡¼­´Â Gpx4 °¡ cell intrinsic ÇÏ°Ô Tfh ÀÇ cell death, ferroptosis ¸¦ Á¶ÀýÇÏ¿© Tfh response, vaccine efficacy °¡ Áõ°¡ÇÏ´Â mechanism À» mouse ±×¸®°í human ¿¡¼­ ¹àÈù ³í¹®ÀÔ´Ï´Ù.

Á¦ ¿¬±¸¿¡¼­ ³í¸®Àû È帧°ú ¹æÇ⼺ ¼±Á¤¿¡ µµ¿òÀ» ¾ò°íÀÚ ¼±Á¤ÇÏ¿´½À´Ï´Ù.

¿­½ÉÈ÷ ÁغñÇÏ¿© Åä¿äÀÏ¿¡ ºË°Ú½À´Ï´Ù.

- µµºó ¿Ã¸².

³í¹®¸µÅ© : https://www.nature.com/articles/s41590-021-00996-0

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