Methylation profiling

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Genome-wide DNA methylation study in Chinese Systemic Lupus Erythematosus


ABSTRACT: Epigenetic alternations in addition to genetic factors are important contributors to the pathogenesis of Systemic Lupus Erythematosus (SLE). Recent studies revealed that aberrant changes in DNA methylation occur in SLE patients, and potentially contributes to the pathogenesis. Using genome-wide DNA methylation microarray, the Illumina Infinium HumanMethylation450 BeadChip, we compared the DNA methylation level of white blood cells between Chinese female SLE patients with that of healthy controls. There was no difference in global levels of DNA methylation between SLE patients and controls. However, we identified 36 CpG sites with differential loss of DNA methylation and 8 CpG sites with differential gain of DNA methylation, representing 26 genes and 7 genes respectively. Surprisingly, nearly half of the hypomethylated CpG sites were located in the CpG shores, which implicated the functional importance of loss of DNA methylation in the CpG shores in SLE.

ORGANISM(S): Homo sapiens

PROVIDER: GSE76056 | GEO | 2016/12/21

SECONDARY ACCESSION(S): PRJNA306099

REPOSITORIES: GEO

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