Browsing Department of microbial immunoregulation (MIKI) by Subjects
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IL22BP Mediates the Anti-Tumor Effects of Lymphotoxin Against Colorectal Tumors in Mice and Humans.We obtained tumor and non-tumor tissues from patients with colorectal cancer (CRC) and measured levels of cytokines by quantitative PCR, flow cytometry, and immunohistochemistry. We measured levels of Il22bp mRNA in colon tissues from wild-type, Tnf-/-, Lta-/-, and Ltb-/- mice. Mice were given azoxymethane and dextran sodium sulfate, to induce colitis and associated cancer, or intra-caecal injections of MC38 tumor cells. Some mice were given inhibitors of lymphotoxin beta receptor (LTBR). Intestine tissues were analyzed by single-cell sequencing to identify cell sources of lymphotoxin. We performed immunohistochemistry analysis of colon tissue microarrays from patients with CRC (1475 tissue cores, contained tumor and non-tumor tissues) and correlated levels of IL22BP with patient survival times.