Toll-like receptor 3 signaling attenuated colitis-associated cancer development in mice.

ABSTRACT: Inflammatory bowel disease is associated with a high risk of colitis-associated cancer (CAC). We evaluated the role of TLR3 in CAC using a murine model. Wild-type (WT) and TLR3-knockout (TLR3^-/-) mice received azoxymethane (AOM) 12.5 mg/kg intraperitoneally on day zero, followed by three cycles of 2% dextran sulfate sodium (DSS) for five days and free water for two weeks. We evaluated clinical indices, such as weight change, colon length, histological severity of colitis, and tumor number. We performed immunofluorescence assays for phospho-IκB kinase and β-catenin in colon tissues. To elucidate the antitumorigenic mechanism of TLR3 signaling, we injected poly(I: C) or phosphate-buffered saline intraperitoneally into an AOM/DSS-induced tumorigenesis model in WT mice. We also eval

SUBMITTER: Chung KY 

PROVIDER: S-EPMC11621332 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature