{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T03:21:11Z","timestamp":1790392871720,"version":"4.1.0"},"reference-count":43,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","license":[{"start":{"date-parts":[[2015,9,1]],"date-time":"2015-09-01T00:00:00Z","timestamp":1441065600000},"content-version":"tdm","delay-in-days":4079,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2004,7]]},"abstract":"<jats:sec>\n            <jats:title\/>\n            <jats:p>Connexins are subunits of gap junction channels, which allow direct transfer of ions, secondary messenger molecules, and other metabolites between contacting cells. Gap junctions are believed to be involved in tissue homeostasis, embryonic development, and control of cell proliferation. Several studies have shown that cell damage signals are transmitted through gap junctions when cells are irradiated or when cells bearing the herpes simplex virus-thymidine kinase (HSV-TK) gene are treated with ganciclovir. We established 2 lines of transgenic rats with a dominant-negative mutant of <jats:italic toggle=\"yes\">connexin<\/jats:italic> 32 gene under control of the albumin promoter. In the livers of transgenic rats, membrane localization of normal endogenous <jats:italic toggle=\"yes\">connexin<\/jats:italic> 32 protein is disturbed, and gap junction capacity measured by scrape dye-transfer assay <jats:italic toggle=\"yes\">in vivo<\/jats:italic> is markedly decreased when compared with wild-type rats. The present investigation concerned susceptibility to the liver-toxic substances D-galactosamine and carbon tetrachloride. These toxicants induced massive liver cell death and elevated serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels in the wild-type rats; however, much fewer liver cells were damaged and serum enzyme elevation was much lower in the transgenic rats. <jats:underline>In conclusion,<\/jats:underline> gap junctional intercellular communication (GJIC) plays an important role in toxic effects of chemicals; damage or death signals may pass through gap junctions in the rat liver <jats:italic toggle=\"yes\">in vivo<\/jats:italic>. (Hepatology 2004;40:205-210.)<\/jats:p>\n          <\/jats:sec>","DOI":"10.1002\/hep.20256","type":"journal-article","created":{"date-parts":[[2004,7,2]],"date-time":"2004-07-02T07:03:11Z","timestamp":1088751791000},"page":"205-210","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":53,"title":["Connexin 32 dominant-negative mutant transgenic rats are resistant to hepatic damage by 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