Similarly, MYCN‐amplified NB cells [IMR32 and SK‐N‐BE (2)] were more vulnerable to growth inhibition by antibiotic treatment than MYCN‐nonamplified NB cells (SH‐SY5Y, SK‐N‐AS, and SK‐N‐SH), as indicated by the lower IC50 values (Fig. 1C,E). This evidence concerns the gene MYCN and neuroblastoma.