• ly294002 and rapamycin promote coxsackievirus-induced cytopathic effect and apoptosis via inhibition of pi3k/akt/mtor signaling pathway

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    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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     coxsackievirus b3 (cvb3) is a common human pathogen for acute myocarditis, pancreatitis, non-septic meningitis, and encephalitis; it induces a direct cytopathic effect (cpe) and apoptosis on infected cells. the phosphatidylinositol 3-kinase (pi3k)/protein kinase b (akt/pkb)/mammalian target of rapamycin (mtor) signaling pathway regulates several cellular processes and it is one of the most important pathways in human networks. however, the effect and mechanism of pi3k/akt/mtor signaling pathway in cvb3 infected cells are poorly understood. in this study, we demonstrate that inhibition of pi3k/akt/mtor signaling pathway increased cvb3-induced cpe and apoptosis in hela cells. the activity of downstream targets of pi3k and mtor is attenuated after cvb3 infection and inhibitors of pi3k and mtor made their activity to decrease more significantly. we further show that ly294002 and rapamycin, the inhibitor of pi3k and mtor respectively, promote cvb3-induced cpe and apoptosis. taken together, these data illustrate a new and imperative role for pi3k/akt/mtor signaling in cvb3 infection in hela cells and suggest an useful approach for the therapy of cvb3 infection.

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