ArticlePharmacological reports : PR2021
Anti-inflammatory and antibacterial effects of human cathelicidin active fragment KR-12 in the mouse models of colitis: a novel potential therapy of inflammatory bowel diseases.
Article in Pharmacological reports : PR, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 13 citations in OpenAlex.
- Emerging antimicrobial peptides in gastrointestinal disorders: Dual role in immunity and therapy.World journal of gastrointestinal pharmacology and therapeutics · 2026Review
- Synthesis and evaluation of KR-12, an LL-37 fragment, and its short-chain fatty acid derivatives: selective cytotoxicity in colorectal cancer cells and anti-tumor efficacy in an azoxymethane/DSS-induced colitis-associated cancer mouse model.Pharmacological reports : PR · 2025Article
- Origami of KR-12 Designed Antimicrobial Peptides and Their Potential Applications.Antibiotics (Basel, Switzerland) · 2024Review
- Diminished Immune Response and Elevated Abundance in Gut Microbe Dubosiella in Mouse Models of Chronic Colitis with GBP5 Deficiency.Biomolecules · 2024Article
- Alterations in metabolome and microbiome: new clues on cathelicidin-related antimicrobial peptide alleviates acute ulcerative colitis.Frontiers in microbiology · 2024Article
- Antimicrobial peptides and the gut microbiome in inflammatory bowel disease.World journal of gastroenterology · 2021Article
- Are Host Defense Peptides and Their Derivatives Ready to be Part of the Treatment of the Next Coronavirus Pandemic?Archivum immunologiae et therapiae experimentalis · 2021Review
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Authors and funding
9 authors at 4 institutions in 1 country.
Funding
Abstract
introductionInflammatory bowel diseases (IBD) are a group of chronic gastrointestinal tract disorders with complex etiology, with intestinal dysbiosis as the most prominent factor. In this study, we assessed the anti-inflammatory and antibacterial actions of the human cathelicidin LL-37 and its shortest active fragment, KR-12 in the mouse models of colitis. MATERIALS AND
methodsMouse models of colitis induced by 2,4,6-trinitrobenzenesulfonic acid (TNBS) and dextran sulfate sodium (DSS) were used in the study. The extent of inflammation was evaluated based on the macro- and microscopic scores, quantification of myeloperoxidase (MPO) activity and microbiological analysis of stool samples.
resultsA preliminary study with LL-37 and KR-12 (1 mg/kg, ip, twice daily) showed a decrease in macroscopic and ulcer scores in the acute TNBS-induced model of colitis. We observed that KR-12 (5 mg/kg, ip, twice daily) reduced microscopic and ulcer scores in the semi-chronic and chronic TNBS-induced models of colitis compared with inflamed mice. Furthermore, qualitative and quantitative changes in colonic microbiota were observed: KR-12 (5 mg/kg, ip, twice daily) decreased the overall number of bacteria, Escherichia coli and coli group bacteria. In the semi-chronic DSS-induced model, KR-12 attenuated intestinal inflammation as demonstrated by a reduction in macroscopic score and colon damage score and MPO activity.
conclusionsWe demonstrated that KR-12 alleviates inflammation in four different mouse models of colitis what suggests KR-12 and cathelicidins as a whole are worth being considered as a potential therapeutic option in the treatment of IBD.
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