multidrug-resistant human neuroblastoma cell lines obtained by selection with vincristine or actinomycin d from two independent clonal lines , sh-sy5y and mc-ixc , have 3- to 30-fold more cell surface epidermal growth factor ( egf ) receptors than the drug-sensitive parental cells as indicated by egf binding assays and immunoprecipitation , affinity-labeling , and phosphorylation studies .
C0027819
neuroblastoma
C0010934
actinomycin d