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Prognostic impact of polymorphisms in the MYBL2 interacting genes in breast cancer
Umeå University, Faculty of Medicine, Department of Radiation Sciences, Oncology.
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine.
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2012 (English)In: Breast Cancer Research and Treatment, ISSN 0167-6806, E-ISSN 1573-7217, Vol. 131, no 3, 1039-1047 p.Article in journal (Refereed) Published
Abstract [en]

MYBL2 is a transcription factor, which regulates the expression of genes involved in cancer progression. In this study, we investigated whether putative functional variants in genes regulating MYBL2 (E2F1, E2F3 and E2F4) or in genes, which are regulated by MYBL2 (BCL2, BIRC5, COL1A1, COL1A2, COL5A2, ERBB2, CLU, LIN9 and TOP2A) affect breast cancer (BC) susceptibility and clinical outcome. Twenty-eight SNPs were genotyped in a population-based series of 782 Swedish BC cases and 1,559 matched controls. BC-specific survival analysis of BIRC5 suggested that carriers of the minor allele of rs8073069 and rs1042489 have a worse survival compared with the major homozygotes (HR 2.46, 95% CI 1.39-4.36 and HR 1.81, 95% CI 1.01-3.25, respectively). The poor survival was observed especially in women with aggressive tumours. Multivariate analysis supported the role of rs8073069 as an independent prognostic marker. For BCL2, minor allele carriers of rs1564483 were more likely to have hormone receptor-positive tumours than the major homozygotes. Another SNP in BCL2, rs4987852, was associated with tumour stages II-IV and histologic grade 3. In CLU, the minor allele carriers of rs9331888 were more likely to have tumours with regional lymph node metastasis and stages II-IV than the major homozygotes. In conclusion, our study suggests a role of genetic variation in BIRC5, BCL2 and CLU as progression and prognostic markers for BC, supporting previous studies based on the expression of the genes.

Place, publisher, year, edition, pages
2012. Vol. 131, no 3, 1039-1047 p.
Keyword [en]
Breast cancer prognosis, MYBL2 interacting genes, Case-control study, Single nucleotide polymorphism
National Category
Cancer and Oncology
URN: urn:nbn:se:umu:diva-52172DOI: 10.1007/s10549-011-1826-2ISI: 000299346100033OAI: diva2:504025
Available from: 2012-02-17 Created: 2012-02-13 Last updated: 2012-02-20Bibliographically approved

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Johansson, RobertEnquist-Olsson, KerstinHenriksson, RogerLenner, Per
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OncologyDepartment of Public Health and Clinical Medicine
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Breast Cancer Research and Treatment
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