{"id":212384,"date":"2025-04-25T01:17:14","date_gmt":"2025-04-25T06:17:14","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/04\/new-lease-on-immunity-scientists-discover-key-component-in-thymic-size-function"},"modified":"2025-04-25T01:17:14","modified_gmt":"2025-04-25T06:17:14","slug":"new-lease-on-immunity-scientists-discover-key-component-in-thymic-size-function","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/04\/new-lease-on-immunity-scientists-discover-key-component-in-thymic-size-function","title":{"rendered":"New lease on immunity: Scientists discover key component in thymic size, function"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/new-lease-on-immunity-scientists-discover-key-component-in-thymic-size-function.jpg\"><\/a><\/p>\n<p>The thymus is a crucial training ground for T-cells, the body\u2019s \u201cwhite knights,\u201d where they learn to battle the various diseases they may encounter. Thymic function shrinks to nearly nothing as we age, severely limiting our ability to recognize and defend against cellular infiltrators.<\/p>\n<p>Scientists at the University of Texas Health Science Center at San Antonio (UT Health San Antonio) discovered a crucial pathway in the thymus that determines the rate of growth and functional preservation. Surprisingly, this pathway appears to act through both indirect and direct methods. Understanding these functions could help produce treatments that preserve thymic function for longer, boosting the immune system\u2019s power to fight disease.<\/p>\n<p>A UT Health San Antonio-led <a href=\"https:\/\/www.nature.com\/articles\/s43587-024-00801-1\" target=\"_blank\">study<\/a>, published in <i>Nature Aging<\/i> in February 2025, highlights the role of the peptide hormone fibroblast growth factor 21 (FGF21) in regulating T-cells and, potentially, preserving thymic size over time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The thymus is a crucial training ground for T-cells, the body\u2019s \u201cwhite knights,\u201d where they learn to battle the various diseases they may encounter. Thymic function shrinks to nearly nothing as we age, severely limiting our ability to recognize and defend against cellular infiltrators. Scientists at the University of Texas Health Science Center at San [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,1495],"tags":[],"class_list":["post-212384","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-health"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/212384","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=212384"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/212384\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=212384"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=212384"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=212384"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}