Abstract

Toll-like receptors (TLRs) recognize altered gut microbiota triggering an immune response. These responses play a critical role in the pathogenesis and treatment of inflammatory bowel disease (IBD). IBD is characterized by inflammation of the intestinal tracts as in Crohn's disease and ulcerative colitis. However, one challenge in determining the role of a specific TLR in IBD and its underlying mechanism is disparity. Variance in age, gender, race, and ethnicity shows a dramatic difference in the disease incidence, severity, and response to treatment. Delineating the role of TLRs in IBD relies on both a knockout mouse and a disease model. Here, we describe a detailed protocol on how to use nearly identical genetic backgrounds of TLR wild-type and knockout littermate mice in a dextran sodium sulfate (DSS)-induced colitis model.

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