{"id":231979,"date":"2026-02-24T06:07:20","date_gmt":"2026-02-24T12:07:20","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/tumour-brain-crosstalk-restrains-cancer-immunity-via-a-sensory-sympathetic-axis"},"modified":"2026-02-24T06:07:20","modified_gmt":"2026-02-24T12:07:20","slug":"tumour-brain-crosstalk-restrains-cancer-immunity-via-a-sensory-sympathetic-axis","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/tumour-brain-crosstalk-restrains-cancer-immunity-via-a-sensory-sympathetic-axis","title":{"rendered":"Tumour\u2013brain crosstalk restrains cancer immunity via a sensory\u2013sympathetic axis"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/tumour-brain-crosstalk-restrains-cancer-immunity-via-a-sensory-sympathetic-axis.jpg\"><\/a><\/p>\n<p>Tumor\u2013brain crosstalk worsens lung cancer.<\/p>\n<p>It is not clear how the brain senses and responds to tumors in peripheral organs, although tumors are innervated by different branches of the peripheral nervous system and increased tumor innervation is associated with poor cancer outcomes.<\/p>\n<p>Authors in this study identify an immuno-suppressive tumor microenvironment established by a tumor\u2013brain axis that promotes oncogenesis.<\/p>\n<p>The researchers demonstrate that lung adenocarcinoma induces innervation and functional engagement of vagal sensory neurons. Mechanistically, the vagal sensory nerves transmit signals from lung tumors to brainstem nuclei, driving elevated sympathetic efferent activity in the tumor microenvironment. This, in turn, suppresses \u03b22 adrenergic signalling in alveolar macrophage and anti-tumor immunity.<\/p>\n<p>Disruption of this sensory-to-sympathetic pathway significantly inhibited lung tumor growth by enhancing immune responses against cancer. sciencenewshighlights sciencemissionn <a href=\"https:\/\/sciencemission.com\/Tumour%E2%80%93brain-crosstalk\">https:\/\/sciencemission.com\/Tumour%E2%80%93brain-crosstalk<\/a><\/p>\n<hr>\n<p>Mouse models demonstrate that vagal sensory neurons transmit signals from lung adenocarcinoma to the brain, increasing sympathetic efferent activity in the tumour microenvironment and thereby creating a immunologically permissive environment for tumour growth.<\/p>\n<div class=\"more-link-wrapper\"> <a class=\"more-link\" href=\"https:\/\/lifeboat.com\/blog\/2026\/02\/tumour-brain-crosstalk-restrains-cancer-immunity-via-a-sensory-sympathetic-axis\">Continue reading \u201cTumour\u2013brain crosstalk restrains cancer immunity via a sensory\u2013sympathetic axis\u201d | &gt;<\/a><\/div><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tumor\u2013brain crosstalk worsens lung cancer. It is not clear how the brain senses and responds to tumors in peripheral organs, although tumors are innervated by different branches of the peripheral nervous system and increased tumor innervation is associated with poor cancer outcomes. Authors in this study identify an immuno-suppressive tumor microenvironment established by a tumor\u2013brain [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,47],"tags":[],"class_list":["post-231979","post","type-post","status-publish","format-standard","hentry","category-biotech-medical","category-neuroscience"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/231979","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=231979"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/231979\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=231979"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=231979"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=231979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}