GSTP1 and breast carcinoma: In a meta analysis it has been reported that individuals with GSTP1 Ile105/Val 105 genotype increase susceptibility to breast cancer in Asian population (Lu et al., 2011), while a good response and light toxicity were also observed in breast cancer patients carrying GSTP1 Ile105/Val 105 or Ile 105/Ile105 genotype (Zhang et al., 2011).