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Genome Res. 2014 Jan;24(1):52-63. doi: 10.1101/gr.156141.113. Epub 2013 Nov 27.

Natural variation in the histone demethylase, KDM4C, influences expression levels of specific genes including those that affect cell growth.

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1
VMD-PhD Program, University of Pennsylvania, School of Veterinary Medicine, Philadelphia, Pennsylvania 19104, USA;

Abstract

DNA sequence variants influence gene expression and cellular phenotypes. In this study, we focused on natural variation in the gene encoding the histone demethylase, KDM4C, which promotes transcriptional activation by removing the repressive histone mark, H3K9me3, from its target genes. We uncovered cis-acting variants that contribute to extensive individual differences in KDM4C expression. We also identified the target genes of KDM4C and demonstrated that variation in KDM4C expression leads to differences in the growth of normal and some cancer cells. Together, our results from genetic mapping and molecular analysis provide an example of how genetic variation affects epigenetic regulation of gene expression and cellular phenotype.

PMID:
24285722
PMCID:
PMC3875861
DOI:
10.1101/gr.156141.113
[Indexed for MEDLINE]
Free PMC Article
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