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Title

Polymorphisms of ABCC5 and NOS3 genes influence doxorubicin cardiotoxicity in survivors of childhood acute lymphoblastic leukemia

Authors
Krajinovic, M
Elbared, J
Drouin, S
Bertout, L
Rezgui, A
Raboisson, M-J
Lipshultz, S E
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Published in The Pharmacogenomics Journal. 2015
Abstract Anthracyclines are efficient chemotherapy agents. However, their use is limited by anthracycline-induced cardiotoxicity (CT). We investigated the influence of polymorphisms in doxorubicin metabolic and functional pathways on late-onset CT as estimated by echocardiography in 251 childhood acute lymphoblastic leukemia (cALL) patients. Association analyses revealed a modulating effect of two variants: A-1629 T in ABCC5, an ATP-binding cassette transporter, and G894T in the NOS3 endothelial nitric oxide synthase gene. Individuals with the ABCC5 TT-1629 genotype had an average of 8-12% reduction of ejection (EF) and shortening fractions (SF; EF: P<0.0001, and SF: P=0.001, respectively). A protective effect of the NOS3 TT894 genotype on EF was seen in high-risk patients (P=0.02), especially in those who did not receive dexrazoxane (P=0.002). Analysis of an additional cohort of 44 cALL patients replicated the ABCC5 association but was underpowered for NOS3. In summary, we identified two biomarkers that may contribute to cALL anthracycline CT risk stratification.The Pharmacogenomics Journal advance online publication, 8 September 2015; doi:10.1038/tpj.2015.63.
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PMID: 26345518
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Research group Plateforme d'oncologie et d'hématologie pédiatrique (907)
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KRAJINOVIC, M et al. Polymorphisms of ABCC5 and NOS3 genes influence doxorubicin cardiotoxicity in survivors of childhood acute lymphoblastic leukemia. In: The Pharmacogenomics Journal, 2015. https://archive-ouverte.unige.ch/unige:76336

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Deposited on : 2015-10-21

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