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Published in: Journal of Neuro-Oncology 1/2015

Open Access 01-10-2015 | Laboratory Investigation

CCND2, CTNNB1, DDX3X, GLI2, SMARCA4, MYC, MYCN, PTCH1, TP53, and MLL2 gene variants and risk of childhood medulloblastoma

Authors: Anna M. Dahlin, Mads V. Hollegaard, Carl Wibom, Ulrika Andersson, David M. Hougaard, Isabelle Deltour, Ulf Hjalmars, Beatrice Melin

Published in: Journal of Neuro-Oncology | Issue 1/2015

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Abstract

Recent studies have described a number of genes that are frequently altered in medulloblastoma tumors and that have putative key roles in the development of the disease. We hypothesized that common germline genetic variations in these genes may be associated with medulloblastoma development. Based on recent publications, we selected 10 genes that were frequently altered in medulloblastoma: CCND2, CTNNB1, DDX3X, GLI2, SMARCA4, MYC, MYCN, PTCH1, TP53, and MLL2 (now renamed as KMT2D). Common genetic variants (single nucleotide polymorphisms) annotating these genes (n = 221) were genotyped in germline DNA (neonatal dried blood spot samples) from 243 childhood medulloblastoma cases and 247 control subjects from Sweden and Denmark. Eight genetic variants annotating three genes in the sonic hedgehog signaling pathway; CCND2, PTCH1, and GLI2, were found to be associated with the risk of medulloblastoma (P combined < 0.05). The findings were however not statistically significant following correction for multiple testing by the very stringent Bonferroni method. The results do not support our hypothesis that common germline genetic variants in the ten studied genes are associated with the risk of developing medulloblastoma.
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Metadata
Title
CCND2, CTNNB1, DDX3X, GLI2, SMARCA4, MYC, MYCN, PTCH1, TP53, and MLL2 gene variants and risk of childhood medulloblastoma
Authors
Anna M. Dahlin
Mads V. Hollegaard
Carl Wibom
Ulrika Andersson
David M. Hougaard
Isabelle Deltour
Ulf Hjalmars
Beatrice Melin
Publication date
01-10-2015
Publisher
Springer US
Published in
Journal of Neuro-Oncology / Issue 1/2015
Print ISSN: 0167-594X
Electronic ISSN: 1573-7373
DOI
https://doi.org/10.1007/s11060-015-1891-1

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