{"id":912,"date":"2022-04-08T16:15:00","date_gmt":"2022-04-08T23:15:00","guid":{"rendered":"https:\/\/dornsife.usc.edu\/news\/stories\/a-protein-that-enables-us-to-detect-cold-and-menthol-may-also-be-key-to-migraine-headaches\/"},"modified":"2023-06-06T15:31:31","modified_gmt":"2023-06-06T22:31:31","slug":"protein-trpm8-migraine-headaches","status":"publish","type":"post","link":"https:\/\/dornsife.usc.edu\/news\/stories\/protein-trpm8-migraine-headaches\/","title":{"rendered":"A protein that enables us to detect cold and menthol may also be key to migraine headaches"},"content":{"rendered":"\n\n\n    \n            \n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--article-hero \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--article-hero\"\n    \n      >\n\n    \n<div class=\"inner-wrapper\">\n          \n<div class=\"f--field f--image\">\n\n    \n    \n    \n    \n    \n    \n              \n      <img\n                            data-src=\"https:\/\/dornsife.usc.edu\/news\/wp-content\/uploads\/sites\/7\/2023\/04\/story-3670-768x432.jpg\"\n          data-srcset=\"https:\/\/dornsife.usc.edu\/news\/wp-content\/uploads\/sites\/7\/2023\/04\/story-3670-768x432.jpg 768w\"          data-sizes=\"(min-width:1200px) 75vw, (min-width:768px) 83vw, 100vw\"          class=\"lazyload\"\n        \n                  alt=\"A protein that enables us to detect cold and menthol may also be key to migraine headaches\"\n        \n        \n                                      \/>\n\n    \n    \n  \n  \n\n<\/div>\n  \n      <div class=\"image-caption\">\n          \n<div class=\"f--field f--description\">\n\n    \n  New research points to a protein in the brain as a possible source of migraine. (Image Source: iStock.)\n\n\n<\/div>\n    <\/div>\n  \n  <div class=\"text-wrapper\">\n          <nav aria-label=\"Breadcrumb\" class=\"breadcrumbs\">\n        <ul>\n                      <li><a href=\"\/news\/stories\/\">News<\/a><\/li>\n                      <li><a href=\"\/news\/stories\/\/?category=faculty\">Faculty<\/a><\/li>\n                  <\/ul>\n      <\/nav>\n    \n              \n<div class=\"f--field f--page-title\">\n\n    \n  <h1>A protein that enables us to detect cold and menthol may also be key to migraine headaches<\/h1>\n\n\n<\/div>\n    \n          <div class=\"subtitle\">\n            \n<div class=\"f--field f--description\">\n\n    \n  The laboratory findings point to a target for new treatments that could mean relief for millions suffering from debilitating pain.\n\n\n<\/div>\n      <\/div>\n    \n           <strong class=\"author-field\"><span >By<\/span><a href=\"mailto:communication@dornsife.usc.edu\">Darrin S. Joy<\/a><\/strong>\n    \n          <span class=\"post-date-field\">April 8, 2022<\/span>\n      <\/div>\n<\/div>\n\n\n  <\/div><\/div>\n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--social-share \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--social-share\"\n    \n      >\n\n    \n  <div class=\"content-wrapper\">\n    <span class=\"a2a_kit a2a_kit_size_32 addtoany_list\" style=\"line-height: 32px;\">\n      <span class=\"title\">\n        Share\n      <\/span>\n                        <a class=\"a2a_button_copy_link\" target=\"_blank\" href=\"\/#copy_link\" rel=\"nofollow noopener\" title=\"Link\">\n            <span class=\"a2a_svg a2a_s__default a2a_s_copy_link\">\n              <svg height=\"19\" viewBox=\"0 0 19 19\" width=\"19\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m7.43475275 9.52380952-2.17490843 2.26076008c-1.08745421 1.058837-1.68841575 2.518315-1.68841575 4.0350275 0 1.5167124.60096154 2.9475732 1.68841575 4.0350274 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10.8c-1.087-2.114-4.046-6.053-6.798-7.995C2.566.944 1.561 1.266.902 1.565C.139 1.908 0 3.08 0 3.768c0 .69.378 5.65.624 6.479c.815 2.736 3.713 3.66 6.383 3.364c.136-.02.275-.039.415-.056c-.138.022-.276.04-.415.056c-3.912.58-7.387 2.005-2.83 7.078c5.013 5.19 6.87-1.113 7.823-4.308c.953 3.195 2.05 9.271 7.733 4.308c4.267-4.308 1.172-6.498-2.74-7.078a8.741 8.741 0 0 1-.415-.056c.14.017.279.036.415.056c2.67.297 5.568-.628 6.383-3.364c.246-.828.624-5.79.624-6.478c0-.69-.139-1.861-.902-2.206c-.659-.298-1.664-.62-4.3 1.24C16.046 4.748 13.087 8.687 12 10.8\"  fill-rule=\"evenodd\" \/>\n              <\/svg>\n            <\/span>\n            <span class=\"a2a_label visually-hidden\">Bluesky<\/span>\n          <\/a>\n                                <a class=\"a2a_button_email\" target=\"_blank\" href=\"\/#email\" rel=\"nofollow noopener\" title=\"E-mail\">\n            <span class=\"a2a_svg a2a_s__default a2a_s_print\">\n              <svg height=\"12\" viewBox=\"0 0 18 12\" width=\"18\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"m8.14285714 9.42857143c-.17142857 0-.34285714 0-.51428571.08571428l7.28571427 6.34285719c.3428572.2571428.6857143.2571428.9428572 0l7.2857142-6.34285719c-.0857142-.08571428-.2571428-.08571428-.4285714-.08571428zm-1.28571428 1.11428567v.1714286 8.5714286c0 .6857143.6 1.2857143 1.28571428 1.2857143h14.57142856c.6857143 0 1.2857143-.6 1.2857143-1.2857143v-8.5714286c0-.0857143 0-.0857143 0-.1714286l-7.2 6.3428572c-.7714286.6857143-1.8857143.6857143-2.6571429 0z\" fill-rule=\"evenodd\" transform=\"translate(-6 -9)\"\/><\/svg>\n            <\/span>\n            <span class=\"a2a_label visually-hidden\">Email<\/span>\n          <\/a>\n                  <\/span>\n  <\/div>\n\n  <\/div><\/div>\n  \n\n  \n    \n\n\n\n\n\n\n<div\n  class=\"cc--component-container cc--rich-text \"\n\n  \n  \n  \n  \n  \n  \n  >\n  <div class=\"c--component c--rich-text\"\n    \n      >\n\n    \n      \n<div class=\"f--field f--wysiwyg\">\n\n    \n  <p>Scientists have provided the strongest evidence yet that a protein that enables us to detect the sensation of cold may also be responsible for migraines. The&nbsp;<a href=\"https:\/\/journals.lww.com\/pain\/abstract\/9900\/transient_receptor_potential_melastatin_8__trpm8_.37.aspx\" target=\"_blank\">findings<\/a>&nbsp;appear in the journal&nbsp;<i>PAIN<\/i>.<\/p>\n<p><strong>The news:<\/strong><\/p>\n<ul>\n<li>Scientists at the USC Dornsife College of Letters, Arts and Sciences have found that blocking or removing a protein called&nbsp;<strong>TRPM8<\/strong>&nbsp;in mice&nbsp;<strong>prevented them from experiencing migraine-like symptoms<\/strong>.<\/li>\n<li>In previous work, the researchers determined that TRPM8, found in nerve cells, is important for sensing cold, including the cool sensation of menthol.<\/li>\n<li>The study reinforces previous genomics studies that hinted at TRPM8&rsquo;s involvement in migraine.<\/li>\n<\/ul>\n<p><strong>Why it matters:<\/strong> The findings move TRPM8 into the light as&nbsp;<strong>a potential target for new drugs aimed at relieving migraine<\/strong>.<\/p>\n<p>In their words:<\/p>\n<p>&ldquo;Our results confirm the importance of TRPM8 in migraines that was suggested by human genome-wide association studies and implicate the protein as a potentially important component of the pathology that leads to migraine. Thus, other scientists or clinicians can now add TRPM8 to their models of migraine and potential targets for treatment.&rdquo;&mdash;&nbsp;<a href=\"https:\/\/dornsife.usc.edu\/cf\/faculty-and-staff\/faculty.cfm?pid=1003516\"><strong>David McKemy<\/strong><\/a>, professor of&nbsp;<a href=\"https:\/\/dornsife.usc.edu\/bisc\/\">biological sciences<\/a>&nbsp;at USC Dornsife and corresponding author on the study.<\/p>\n<p><strong>A little background on migraines:<\/strong><\/p>\n<ul>\n<li>About 10% of all humans suffer from migraine &mdash; nearly 800 million people globally.<\/li>\n<li>Those who experience migraine are known as migraineurs.<\/li>\n<li>Symptoms include painful headaches as well as nausea, sensitivity to light, sound and sometimes touch and smell.<\/li>\n<li>Migraine may also cause aura, including visual effects (shapes, flashes or vision loss), weakness or numbness in the face or body, prickly sensations in an arm or leg, or trouble speaking.<\/li>\n<\/ul>\n<p><strong>How they showed TRPM8 is involved in migraine<\/strong><\/p>\n<p>To understand TRPM8&rsquo;s role in migraine, McKemy and his team studied mice that were genetically engineered to lack TRPM8. They gave the mice either nitroglycerin or a peptide known as CGRP, both of which can induce migraine-like symptoms including spontaneous pain and evoked pain.<\/p>\n<ul>\n<li>Spontaneous pain includes the headache arising during a migraine episode.<\/li>\n<li>Evoked pain comes from increased sensitivity during migraine, such as when touched or exposed to light.<\/li>\n<\/ul>\n<p>&ldquo;We showed that both spontaneous pain and evoked pain that is induced in mice by treatments with nitroglycerin and CGRP was absent in mice genetically modified to not make the TRPM8 protein or lack the nerves that normally contain TRPM8,&rdquo; McKemy said. &ldquo;The results show that&nbsp;<strong>TRPM8 is necessary for migraine-like pain in mice<\/strong>.&rdquo;<\/p>\n<p>McKemy and his team also took a pharmacological approach, studying normal mice that had TRPM8 to understand how they react when given nitroglycerin or CGRP.<\/p>\n<p>&ldquo;We showed that we could treat mice with a drug that blocks TRPM8 function and prevent migraine-like pain,&rdquo; he said, giving further evidence that TRPM8 is a strong candidate target for new anti-migraine drugs.<\/p>\n<p><strong>What&rsquo;s next?<\/strong><\/p>\n<p>The researchers now aim to answer new questions arising from their work, including:<\/p>\n<ul>\n<li>How does TRPM8 mediate migraine-like pain at the molecular and cellular level?<\/li>\n<li>Are migraineurs predisposed to headaches due to mutations in TRPM8 or is it something in the cellular processes that alter TRPM8 function?<\/li>\n<li>Can blocking TRPM8 function in humans with medicines be a method of treatment?<\/li>\n<\/ul>\n<p><strong>About the study<\/strong><\/p>\n<p>Authors on the study include neurosciences doctoral candidate Chao Wei, undergraduate student Brian Kim and McKemy. The study was supported by National Institutes of Health grant NS118852.<\/p>\n\n\n\n<\/div>\n\n\n  <\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>The laboratory findings point to a target for new treatments that could mean relief for millions suffering from debilitating pain.<\/p>\n","protected":false},"author":13,"featured_media":915,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[10,26,16],"tags":[96,106,60],"class_list":["post-912","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faculty","category-health","category-science-and-technology","tag-natural-sciences","tag-neuroscience","tag-research"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>A protein that enables us to detect cold and menthol may also be key to 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