Dataset Information


Comparison of murine colonic mucosal DNA from postnatal day 90 (P90) to postnatal day 30 (P30) by MSAM

ABSTRACT: DNA methylation profiling of colonic mucosal DNA between P90 and P30 mice. 0.5ug of DNA was serially digested with SmaI and XmaI followed by an adaptor ligation and adaptor mediated PCR amplification Two independent P90 to P30 comparisons were performed as follows. Samples were labelled with Cy3 (P30) and Cy5 (P90) and two independent P90 to P30 comparisons were done on a 2x105k methylation specific amplification microarray (MSAM) containing 90,535 probes, covering 77% of the 31,019 SmaI intervals between 200 bp and 2 kb in the mouse genome (average 3.8 probes per interval)

ORGANISM(S): Mus musculus  

SUBMITTER: Lanlan Shen  Richard Kellermayer 

PROVIDER: E-GEOD-18031 | ArrayExpress | 2010-05-22



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Monozygotic twin and other epidemiologic studies indicate that epigenetic processes may play an important role in the pathogenesis of inflammatory bowel diseases that commonly affect the colonic mucosa. The peak onset of these disorders in young adulthood suggests that epigenetic changes normally occurring in the colonic mucosa shortly before adulthood could be important etiologic factors. We assessed developmental changes in colitis susceptibility during the physiologically relevant period of c  ...[more]

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