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Accession IconSRP042228

Core Ileal Transcriptome in Pediatric Crohn Disease

Organism Icon Homo sapiens
Sample Icon 322 Downloadable Samples
Technology Badge IconIllumina HiSeq 2000

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We report the global pattern of ileal gene expression in a cohort of 359 treatment-naïve pediatric Crohn Disease, Ulcerative Colitis patients and controls. We focus on genes with consistent altered expression in inflamed and unaffected ileum of CD [ileal-involved CD (iCD) and non-invloved ileal CD (cCD)], but not in the ileum of ulcerative colitis or control. Overall design: Ileal biopsies were obtained during diagnostic colonoscopies of children and adolescents aged less than 17 years, who presented with IBD-like symptoms. All patients underwent baseline colonoscopy and histological characterization; non-IBD controls were those with suspected IBD, but with no microscopic or macroscopic inflammation and normal radiographic, endoscopic, and histologic findings. Biopsies were stored at -80 degrees.
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