{"id":230315,"date":"2026-02-02T01:07:12","date_gmt":"2026-02-02T07:07:12","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/genetic-identification-of-mouse-trigeminal-afferents-responsible-for-mechanical-allodynia"},"modified":"2026-02-02T01:07:12","modified_gmt":"2026-02-02T07:07:12","slug":"genetic-identification-of-mouse-trigeminal-afferents-responsible-for-mechanical-allodynia","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/genetic-identification-of-mouse-trigeminal-afferents-responsible-for-mechanical-allodynia","title":{"rendered":"Genetic identification of mouse trigeminal afferents responsible for mechanical allodynia"},"content":{"rendered":"<p style=\"padding-right: 20px\"><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/genetic-identification-of-mouse-trigeminal-afferents-responsible-for-mechanical-allodynia2.jpg\"><\/a><\/p>\n<p>Peripheral mechanisms by which the nerve afferents send signals after nerve injury in mechanical C is not well understood.<\/p>\n<p>The researchers identify a subset of trigeminal afferents in mice activated by facial brushing after nerve injury. Many of brushing-activated (BA) trigeminal ganglia (TG) neurons express neurofilament200 and Ntrk3, markers for low-threshold mechanoreceptors, with lower co-localization with nociceptor markers such as Calca or Trpv1.<\/p>\n<p>Inhibition of BA TG neurons reduces mechanical allodynia, while their activation increases spontaneous face wiping after nerve injury.<\/p>\n<p>Knockdown of <i>Piezo2<\/i> from BA TG afferents reduces mechanical allodynia. Thus, targeted manipulations reveal these neurons\u2019 causal role in pain-like behaviors and heightened sensitivity, providing new insights into primary afferents underlying mechanical allodynia. sciencenewshighlights ScienceMission <a href=\"https:\/\/sciencemission.com\/trigeminal-afferents\">https:\/\/sciencemission.com\/trigeminal-afferents<\/a><\/p>\n<hr>\n<p>Peripheral mechanisms of mechanical allodynia after nerve injury remain unclear. Li et al. identify a subset of trigeminal afferents in mice activated by facial brushing after nerve injury. Targeted manipulations reveal these neurons\u2019 causal role in pain-like behaviors and heightened sensitivity, providing new insights into primary afferents underlying mechanical allodynia.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Peripheral mechanisms by which the nerve afferents send signals after nerve injury in mechanical C is not well understood. The researchers identify a subset of trigeminal afferents in mice activated by facial brushing after nerve injury. Many of brushing-activated (BA) trigeminal ganglia (TG) neurons express neurofilament200 and Ntrk3, markers for low-threshold mechanoreceptors, with lower co-localization [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[412,47],"tags":[],"class_list":["post-230315","post","type-post","status-publish","format-standard","hentry","category-genetics","category-neuroscience"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230315","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=230315"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230315\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=230315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=230315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=230315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}