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. 2014 Mar 20;14:213. doi: 10.1186/1471-2407-14-213

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Copyright © 2014 Martínez et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Gene ontology analysis of the genes hypermethylated in anaplastic PXA. When comparing the precursor grade II (PXA-4) and anaplastic grade III (PXA-5) PXA tumors with average methylation observed in normal brain, specific gains of methylation involve specific nervous system pathways, as well as other related with oncogenic potential such as cell proliferation, motility and differentiation. Scale bar at the bottom indicates number of genes involved on each biological process. Annotated biological processes were selected among the statistically significant GO-terms resulting from the analysis (BH-adjusted p value < 0.01).