Figure 1. p53 status and function in neuroblastoma at different stages of treatment.
(a) Case 14, (ai) codon 203 mutation (aii) DHPLC chromatogram. (b-d) Case 1 (bi) codon 270 mutation present post-chemotherapy and relapse but not at diagnosis. (bii) DHPLC chromatogram (c) p53 and p21 immunohistochemistry showing lack of p21 expression at relapse (scale bar = 50μm) (d) Codon 270 mutation-specific PCR.