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. 2011 Jul;32(7):433-8.

[Relationship between RAD51-g135C and XRCC3-C241T polymorphisms and prognosis of inv (16)/ t(16;16) (CBFbeta-MYH11) acute myeloid leukemia]

[Article in Chinese]
Liang Liu  1 , Lin Yang, Ying-Chang Mi, Jian-Yong Li, Tie-Jun Qin, Ze-Feng Xu, Yue Zhang, Jian-Xiang Wang, Zhi-Jian Xiao
Affiliations
  • PMID: 22213860

[Relationship between RAD51-g135C and XRCC3-C241T polymorphisms and prognosis of inv (16)/ t(16;16) (CBFbeta-MYH11) acute myeloid leukemia]

[Article in Chinese]
Liang Liu et al. Zhonghua Xue Ye Xue Za Zhi. 2011 Jul.

Abstract

Objective: To investigate the impact of polymorphisms of DNA homologous recombination (HR) repair genes RAD51-G135C and XRCC3-C241T on the prognosis of acute myeloid leukemia (AML) with inv(16)/t(16;16)(CBFbeta-MYH1).

Methods: One hundred and three de novo inv(16)/t(16;16) (CBFbeta-MYH11) AML patients were followed-up and retrospectively analyzed. Polymorphisms of RAD51-G135C and XRCC3-C241T were detected by PCR-RFLP. The prognostic factors,including sex, age, white blood cell count, platelet count, hemoglobin level, karyotype, KIT mutation, RAD51-G135C and XRCC3-C241T polymorphisms at diagnosis, for complete remission (CR) achievement, overall survival (OS) and relapse-free survival (RFS) were analyzed by univariate and multivariate analyses.

Results: The median follow-up of all patients was 28 (1 - 106) months. The overall CR rate was 92.2%. The estimated 5-year OS and RFS rates were 43.6% (95% CI 37.7% - 49.5%) and 26.4% (95% CI 21.1% - 31.7%), and the median OS and RFS were 53 (95% CI 133.4 - 72.7) and 27 (95% CI 22.9 - 31.1) months, respectively. In multivariate analysis, higher WBC (P = 0.004) and older than 30 years of age (P = 0.035) were independent poor factors for CR achievement, the XRCC3-241T variant (P = 0.007) and higher WBC (P = 0.009) were independent poor factors for 5-year RFS, and higher WBC (P = 0.002) and trisomy 8 (P = 0.035) were independent poor factors for 5-year survival. Polymorphism of RAD51-G135C had no significant impact on the prognosis.

Conclusion: The XRCC3-241T variant is an independent poor prognostic factor for AML with inv(16)/t(16;16)/CBFbeta-MYH11.

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