O'Brien, Claire; Patel, Hardip; Freeman, T; Zhang, Kerong; Peng, Kaiman; Pavli, Paul
Background: The earliest macroscopic lesion in Crohn's disease (CD) is the aphthous ulcer, which overlies Peyer's patches and lymphoid follicles. Our aim was to characterize differences in gene expression of aphthous ulcers and Peyer's patches.
Methods: Biopsies were obtained from the terminal ileum of 12 patients (6 with CD, 6 healthy controls). Aphthous ulcers and adjacent unaffected mucosa were obtained from CD patients, and Peyer's patches and adjacent mucosa from the controls. All...[Show more]
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