ArticlePloS one2023
Ang1 and Ang4 differentially affect colitis and carcinogenesis in an AOM-DSS mouse model.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 3 citations in OpenAlex.
- An IL-17-DUOX2 axis controls gastrointestinal colonization by Candida albicans.Nature communications · 2026Article
- Tie1 derived from cervical cancer promotes the invasion and metastasis by Ang1 mediating Tie2/PI3K/Akt signaling axis and angiogenesis.Scientific reports · 2025Article
- Wnt/β-catenin maintains epithelial IL-33 in the colonic stem and progenitor cell niche and drives its induction in colitis.Mucosal immunology · 2025Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionAngiogenin-1 (Ang1) and angiogenin-4 (Ang4) are 14-kDa ribonucleases with potent angiogenic and antimicrobial properties. The role of Ang1 and Ang4 in chronic colitis and colitis-associated cancer has not been previously studied.
methodsWild-type (WT) and angiogenin-1 knock-out (Ang1-KO) C57BL/6 mice were given azoxymethane, a colon carcinogen, 2 days in advance of three cycles of 3.5% dextran sodium sulfate (DSS). Disease activity index (DAI) was recorded, a colonoscopy was performed after each DSS treatment, and mice were euthanized (colitis, recovery, cancer) with tissue evaluated by histopathology. Ang1, Ang4, TNF-α, Il-1F062, IL-6, IL-10, IL-23, IL-33 mRNA levels were analyzed by RT-PCR.
resultsAng1-KO mice exhibited more severe colitis compared to WT mice during both the acute (P<0.05) and recovery (P<0.05) phases of each DSS cycle. Consistent with these results, colonic TNF-α, IL1-β, IL-6, IL-10, and IL-33 mRNA levels were significantly upregulated in Ang1-KO mice (P<0.05). While Ang4 increased to similar levels in both WT and Ang1-KO mice during colitis and recovery phases, WT mice were distinguished by a significant upregulation of Ang1. Interestingly, despite the reduced colitis, WT mice developed significantly more tumors compared to Ang1-KO mice (P<0.05). 134 tumors formed in WT mice (4.6 tumors/mouse) while only 46 tumors formed (1.5 tumors/mice) in Ang1-KO mice, which were also characterized by a 34-fold decrease in Ang4 compared to WT mice and the complete absence of Ang1.
conclusionsIn a mouse model of colitis-associated cancer, Ang1-KO mice develop more severe colitis, but fewer tumors compared to WT mice. Ang1 levels correlate with the severity of colitis and the development of colitis-associated cancer, while Ang4 was upregulated during both colitis and cancer. Ang1 and Ang4 play important regulatory roles in the response to chronic colitis and the development of colitis-associated cancer and may serve as novel therapeutic targets.
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