{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,19]],"date-time":"2025-09-19T09:35:57Z","timestamp":1758274557233,"version":"3.43.0"},"reference-count":38,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2025,5,31]],"date-time":"2025-05-31T00:00:00Z","timestamp":1748649600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["82160698;82374093"],"award-info":[{"award-number":["82160698;82374093"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100012543","name":"Youth Science Foundation of Guangxi Medical University","doi-asserted-by":"publisher","award":["GXMUYSF202433"],"award-info":[{"award-number":["GXMUYSF202433"]}],"id":[{"id":"10.13039\/501100012543","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Science"],"published-print":{"date-parts":[[2025,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>Lung squamous cell carcinoma (LUSC) is an extremely metastatic cancer with limited available treatment and poor outcomes. Connexin43 (Cx43) is frequently overactivated and positively correlated with tumorigenesis in many cancers, including breast cancer and lung adenocarcinoma, but its role in LUSC remains elusive. In this study, we demonstrated that Cx43 was highly expressed in LUSC tissues as compared to matching normal lung tissues (<jats:italic>n<\/jats:italic>\u2009=\u2009103) and negatively related to prognosis. Through the 3D spheroid cell invasion assay, zCDX (zebrafish cell line\u2010derived xenograft), and orthotopic lung cancer xenograft model, we further revealed that Cx43 promotes LUSC invasion and migration via forming GJIC. Knockdown of Cx43 reduced the Ca<jats:sup>2+<\/jats:sup> transmission and ERK phosphorylation, whereas the addition of Ca<jats:sup>2+<\/jats:sup> enhanced ERK phosphorylation and promoted LUSC invasion and migration. Furthermore, verapamil (40\u2009\u03bcM and 80\u2009\u03bcM), a calcium channel inhibitor, significantly inhibited ERK phosphorylation as well as the invasion and migration of LUSC cells. Mechanistically, Cx43 promoted the invasion and metastasis of LUSC via activating the Ca<jats:sup>2+<\/jats:sup>\/ERK signaling pathway by gap junctional intracellular communication (GJIC). Our findings provide a novel mechanism insight for LUSC invasion and migration and a proof of concept for a new therapeutic strategy to tackle this disease.<\/jats:p>","DOI":"10.1111\/cas.70076","type":"journal-article","created":{"date-parts":[[2025,5,31]],"date-time":"2025-05-31T22:42:18Z","timestamp":1748731338000},"page":"2086-2100","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Connexin43 Promotes the Invasion and Metastasis of Lung Squamous Cell Carcinoma via <scp>GJIC<\/scp>\u2010Dependent Ca<sup>2+<\/sup>\/<scp>ERK<\/scp> Signaling Activation"],"prefix":"10.1111","volume":"116","author":[{"given":"Xiaocheng","family":"Mo","sequence":"first","affiliation":[{"name":"Department of Pharmacology, School of Pharmacy Guangxi Medical University  Nanning Guangxi People's Republic of China"},{"name":"Department of Pharmacy The First Affiliated Hospital of Guangxi Medical University  Nanning 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