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Neuroblastoma cell differentiation is a valuable model for studying therapeutic methods in neuroblastoma and the mechanisms of neuronal differentiation. Here, we used trichostatin A (TSA) and sirtinol, which are inhibitors of cHDACs and sirtuins, respectively, to show that classical histone deacetylases (cHDACs) and sirtuins (silent mating type information regulation 2 homolog; SIRTs) affect all-trans...
To examine the function of SIRT1 in neuronal differentiation, we employed all-trans retinoic acid (ATRA)-induced differentiation of neuroblastoma cells. Nicotinamide inhibited neurite outgrowth and tyrosine hydroxylase (TH) expression. Inhibition of PARP or histone deacetylase did not inhibit TH expression, showing the effect to be SIRT1 specific. Expression of FOXO3a and its target proteins were...
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