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RECQ helicases are deregulated in hematological malignancies in association with a prognostic value

Abstract : AbstractBackgroundRECQ helicase family members act as guardians of the genome to assure proper DNA metabolism in response to genotoxic stress. Hematological malignancies are characterized by genomic instability that is possibly related to underlying defects in DNA repair of genomic stability maintenance.MethodsWe have investigated the expression of RECQ helicases in different hematological malignancies and in their normal counterparts using publicly available gene expression data. Furthermore, we explored whether RECQ helicases expression could be associated with tumor progression and prognosis.ResultsExpression of at least one RECQ helicase family member was found significantly deregulated in all hematological malignancies investigated when compared to their normal counterparts. In addition, RECQ helicase expression was associated with a prognostic value in acute myeloid leukemia, chronic lymphocytic leukemia, lymphoma and multiple myeloma.ConclusionRECQ helicase expression is deregulated in hematological malignancies compared to their normal counterparts in association with a prognostic value. Deregulation of RECQ helicases appears to play a role in tumorigenesis and represent potent therapeutic targets for synthetic lethal approaches in hematological malignancies.
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https://www.hal.inserm.fr/inserm-01322505
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Submitted on : Friday, May 27, 2016 - 11:30:04 AM
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Elena Viziteu, Alboukadel Kassambara, Philippe Pasero, Bernard Klein, Jerome Moreaux. RECQ helicases are deregulated in hematological malignancies in association with a prognostic value. Biomarker Research, BioMed Central, 2016, 4, pp.3. ⟨10.1186/s40364-016-0057-4⟩. ⟨inserm-01322505⟩

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