{"id":695,"date":"2020-09-28T12:38:25","date_gmt":"2020-09-28T16:38:25","guid":{"rendered":"https:\/\/www.lifetein.com\/blog\/?p=695"},"modified":"2024-11-16T21:31:48","modified_gmt":"2024-11-17T02:31:48","slug":"the-pivotal-role-of-tmprss2-in-covid19","status":"publish","type":"post","link":"https:\/\/www.lifetein.com\/blog\/the-pivotal-role-of-tmprss2-in-covid19\/","title":{"rendered":"The pivotal role of TMPRSS2 in COVID19"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Transmembrane serine protease 2 (TMPRSS2) is a serine protease that in humans is encoded by the TMPRSS2 gene. It is a cell surface protein primarily expressed by endothelial cells across the respiratory and digestive tracts. The protein contains a type II transmembrane domain, a receptor class A domain, a scavenger receptor cysteine-rich domain and a protease domain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recent evidence suggested that SARS-CoV-2 uses the ACE2 receptor for cell entry, in synergy with the host\u2019s TMPRSS2. The viral S glycoprotein is cleaved by TMPRSS2, thus facilitating viral activation. As TMPRSS2 is a serine protease, it primes the spike-domain (S) of SARS-CoV-2 by cleaving as the S1\/S2 sites. TMPRSS2 activity is crucial for cell entry and viral pathogenesis. In a recent in vitro study by Hoffmann et al., the TMPRSS2 inhibitor camostat mesylate blocked the SARS-CoV-2 entry into primary lung cells, suggesting that TMPRSS2 could represent a potential target in SARS-CoV-2 treatment. This drug is approved for clinical use already in Japan for unrelated illnesses and could serve to be an important therapy for COVID-19.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-style-default\"><img decoding=\"async\" width=\"620\" height=\"534\" src=\"https:\/\/www.lifetein.com\/blog\/wp-content\/uploads\/2020\/09\/Recombinant-Human-Transmembrane-protease-serine-2-TMPRSS2-Protein.png\" alt=\"TMPRSS2 in COVID19\" class=\"wp-image-696\" srcset=\"https:\/\/www.lifetein.com\/blog\/wp-content\/uploads\/2020\/09\/Recombinant-Human-Transmembrane-protease-serine-2-TMPRSS2-Protein.png 620w, https:\/\/www.lifetein.com\/blog\/wp-content\/uploads\/2020\/09\/Recombinant-Human-Transmembrane-protease-serine-2-TMPRSS2-Protein-300x258.png 300w, https:\/\/www.lifetein.com\/blog\/wp-content\/uploads\/2020\/09\/Recombinant-Human-Transmembrane-protease-serine-2-TMPRSS2-Protein-348x300.png 348w\" sizes=\"(max-width: 620px) 100vw, 620px\" \/><figcaption>SARS-CoV-2 uses the ACE2 receptor for cell entry, in synergy with the host\u2019s TMPRSS2<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Transmembrane serine protease 2 (TMPRSS2) is a serine protease that in humans is encoded by the TMPRSS2 gene. It is a cell surface protein primarily expressed by endothelial cells across the respiratory and digestive tracts. The protein contains a type &hellip; <a href=\"https:\/\/www.lifetein.com\/blog\/the-pivotal-role-of-tmprss2-in-covid19\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":696,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-695","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-peptide_synthesis"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"SARS-CoV-2 uses the ACE2 receptor for cell entry in synergy with the host\u2019s TMPRSS2. 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22:27:30","updated":"2025-06-18 02:55:22"},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.lifetein.com\/blog\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/www.lifetein.com\/blog\/category\/peptide_synthesis\/\" title=\"Peptide\">Peptide<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tThe pivotal role of TMPRSS2 in COVID19\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/www.lifetein.com\/blog"},{"label":"Peptide","link":"https:\/\/www.lifetein.com\/blog\/category\/peptide_synthesis\/"},{"label":"The pivotal role of TMPRSS2 in 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