Original Article

ABCG2 C421A 다형성이 만성 골수성 백혈병 환자의 imatinib 치료에 미치는 영향 : 체계적 문헌고찰 및 메타분석


ABCG2 C421A Polymorphism and Imatinib Response in Chronic Myeloid Leukemia : A Systematic Review and Meta-Analysis

오다현, 천부순

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Objective: To estimate the association between ABCG2 C421A polymorphism and response to imatinib in chronic myeloid leukemia. Methods: A systematic review was conducted to evaluate the effect of ABCG2 C421A polymorphism on imatinib response. The databases of PubMed, Embase, Web of science, CINAHL with FullText, and Cochrane Library were searched for all published studies from inception to December 2015. The following terms were used with functions of ‘AND’ and ‘OR’: ‘chronic myeloid leukemia’, ‘CML’, ‘drug transporter’, ‘ABCG2’, ‘BCRP’, ‘polymorphisms’, ‘SNPs’, and ‘imatinib’. The studies reporting the association between ABCG2 polymorphism and imatinib response were evaluated. Results: A total of 7 studies were included in the present meta-analysis. The pooled analysis showed that ABCG2 c.421CC genotype was significantly associated with poor response to imatinib under the dominant model (CC vs CA+AA; OR: 0.56; 95% CI: 0.41, 0.77; p = 0.0004). The subgroup analysis of Asian studies demonstrated a significantly lower response in c.421CC genotype than in c.421CA or c.421AA genotype (OR: 0.52; 95% CI: 0.37, 0.73; p = 0.0002). In subgroup analyses of 5 studies, the patients with the c.421CC genotype exhibited higher risk for worse response than the patients with c.421CA or c.421AA genotype (heterozygote codominant model: CC vs. AC; OR: 0.49, 95% CI: 0.33, 0.73; p = 0.0006; homozygote codominant model: CC vs AA; OR: 0.43; 95% CI: 0.25, 0.75, p = 0.003). Conclusion: The ABCG2 c.421CC genotype was significantly associated with poor response to imatinib compared to the c.421CA and c.421AA genotypes in chronic myeloid leukemia, especially in Asian patients.


 Materials and Methods
  Literature search
  Study selection and data extraction
  Quality assessment
  Data synthesis and analysis


  • 오다현 Da Hyun Oh. 인제대학교 약학대학
  • 천부순 Pusoon Chun. 인제대학교 약학대학


자료제공 : 네이버학술정보

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