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Cholestasis Differentially Affects Liver Connexins

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Cooreman, Axelle ; Van Campenhout, Raf ; Yanguas, Sara Crespo ; Gijbels, Eva ; Leroy, Kaat ; Pieters, Alanah ; Tabernilla, Andres ; Van Brantegem, Pieter ; Annaert, Pieter ; Cogliati, Bruno ; Vinken, Mathieu
Número total de Autores: 11
Tipo de documento: Artigo Científico
Fonte: INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES; v. 21, n. 18, p. 18-pg., 2020-09-01.
Resumo

Connexins are goal keepers of tissue homeostasis, including in the liver. As a result, they are frequently involved in disease. The current study was set up to investigate the effects of cholestatic disease on the production of connexin26, connexin32 and connexin43 in the liver. For this purpose, bile duct ligation, a well-known trigger of cholestatic liver injury, was applied to mice. In parallel, human hepatoma HepaRG cell cultures were exposed to cholestatic drugs and bile acids. Samples from both the in vivo and in vitro settings were subsequently subjected to assessment of mRNA and protein quantities as well as to in situ immunostaining. While the outcome of cholestasis on connexin26 and connexin43 varied among experimental settings, a more generalized repressing effect was seen for connexin32. This has also been observed in many other liver pathologies and could suggest a role for connexin32 as a robust biomarker of liver disease and toxicity. (AU)

Processo FAPESP: 18/10953-9 - As conexinas, panexinas e seus hemi(canais) são novos biomarcadores e alvos terapêuticos no prognóstico e terapia do câncer hepático?
Beneficiário:Bruno Cogliati
Modalidade de apoio: Auxílio à Pesquisa - Regular
Processo FAPESP: 13/50420-6 - Canais de conexina e panexina como alvos terapêuticos e biomarcadores nas doenças hepáticas aguda e crônica
Beneficiário:Mathieu Frederick Alexander Vinken
Modalidade de apoio: Auxílio à Pesquisa - Programa SPEC