Figure 1

Transcription of MLH1. Transcription of MLH1 in MSI cancers and sections of normal bowel. Bars represent the mean values+s.e.m. IOD, total integrated optical density of MLH1 : GAP-3; each value represents the overall mean value for all grouped samples, derived from the mean of two separate PCR analyses per sample; see ‘Materials and methods’. *P<0.01 vs MSS/MSI-L/MSI-H, one-way ANOVA with Bonferroni's correction.