The BC cell lines used in this study, 5637 and J82, both harbour TP53 missense mutations at non‐hotspot codons in the p53 [5637, codon 280 (Arg > Thr); J82, codon 271 (Glu > Lys), codon 274 (Val > Phe) and codon 320 (Lys > Asn)].23 This evidence concerns the gene TP53 and breast cancer.