Figure 1

Loss of bax influences mammary tumour multiplicity but not mammary tumour incidence in parous MMTV-c-myc transgenic/bax-knockout mice. (A) Mammary tumour multiplicity was increased in parous MMTV-c-myc/bax-hemizygous transgenic mice (*P=0.04 by ANOVA). (B) Kaplan–Meier analysis by genotype demonstrates a nonsignificant trend toward decreased tumour-free incidence with bax-hemizygosity in parous MMTV-c-myc transgenic/bax-knockout mice (P=0.39 by generalised Wilcoxon testing).