NGFR and neoplasm: 1)Marked decrease in the cell surface expression of p75NTR in SH-SY5Y cells.Apoptosis in NB cells pre-treated with HDACi;2)The combination of entinostat and p75IgG-Sap determined a significant tumor growth inhibition in entinostat-pre-treated spheroids;Significant decrease in tumor growth in entinostat + p75IgG-Sap-treated animals