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Gap junction protein connexins (Cxs) play essential roles in cell homeostasis, growth, differentiation and death. Therefore, Cx dysfunction has been associated with many diseases and with tumor development. Cxs control cell apoptosis through different molecular mechanisms. First, gap junction channels classically facilitate the influx and flux of apoptotic signals between adjacent cells and hemichannels...
The role of gap junctions in proliferation, differentiation and apoptosis has been recently highlighted. Nevertheless, the molecular mechanisms that control these physiological events by acting on gap junction channels are still unknown. We have recently demonstrated that heteromeric gap junction plaques composed by Cx43 and Cx33 are unstable at the cell boundary and are rapidly internalized by endocytosis...
The potential health impact of pharmaceutical waste is now a growing concern. Contraceptive steroids are prominent environmental contaminants and thus may act as endocrine disruptors. Numerous xenobiotics hamper Sertoli cells junctional communication which is known to participate in spermatogenesis control. This has been associated with male subfertility and testicular cancer. We investigated three...
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