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How Chronic Intestinal Inflammation Can Cause Cancer

Medical Xpress

Photo: IKMB, Kiel University

medicalxpress.com

Chronic inflammatory bowel disease (IBD) are inflammations of the gastrointestinal tract which flare up in phases and are accompanied by bloody bowel movements, diarrhea, and severe impairment of the quality of life. IBD patients exhibit an increased risk of developing colorectal cancer. This is facilitated by the fact that DNA in the intestinal mucosa cells (intestinal epithelium) is damaged by chronic inflammatory processes. Upon DNA damage, a cell in a healthy state protects itself from accumulation of a defective genome by not dividing further. However, these protective mechanisms are suspended under inflammatory conditions, which ...