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Role of monoamine-oxidase-A-gene variation in the development of glioblastoma in males : a case control study
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- Sjöberg, Rickard L (author)
- Umeå universitet,Neurovetenskaper,Department of Neurosurgery, University Hospital of Northern Sweden, 901 85 Umeå, Sweden
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- Wu, Wendy Yi-Ying (author)
- Umeå universitet,Onkologi
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- Dahlin, Anna M., 1979- (author)
- Umeå universitet,Onkologi
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- Tsavachidis, Spiridon (author)
- Bondy, Melissa L. (author)
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- (creator_code:org_t)
- 2019-09-25
- 2019
- English.
- In: Journal of Neuro-Oncology. - : Springer. - 0167-594X .- 1573-7373. ; 145:2, s. 287-294
- Journal article (peer-reviewed)
Abstract
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- Background: The Mono-amine oxidase-A (MAO-A) enzyme is involved in the degradation and regulation of catecholamines such as serotonin, dopamine, epinephrine and nor-epinephrine. Preclinical studies suggest that this enzyme may contribute to an environment favorable for growth of malignant glioma. The MAO-A gene is located on the X-chromosome and has at least one functional genetic polymorphism. The aim of the present study was to explore possible effects of MAO-A genotype on development of glioblastoma in males.Methods: Genotypes for 437 glioma cases and 876 population-based controls from the Swedish Glioma International Case–Control study (GICC) were compared. We analyzed the germline DNA using the Illumina Oncoarray. We selected seven single nucleotide polymorphisms (SNPs) located in the MAO-A gene, and imputed genotypes based on data from the 1000 genomes project. We used 1579 male glioblastoma cases and 1875 controls comprising the whole GICC cohort for subsequent validation of findings.Results: The rs144551722 SNP was a significant predictor of development of glioblastoma in males (p-value = 0.0056) but not in females even after correction for multiple testing. We conducted haplotype analysis to confirm an association between MAO-A gene and risk of glioblastoma (p-value = 0.016). We found similar results in the validation sample.Conclusions: These results suggest the possibility of a role for the MAO-A enzyme and the MAO-A gene in the development of glioblastoma in males.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Keyword
- MAOA genetics glioblastoma males
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- ref (subject category)
- art (subject category)
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