ArticleBMC veterinary research2024
Duodenal and colonic mucosal S100A8/A9 (calprotectin) expression is increased and correlates with the severity of select histologic lesions in dogs with chronic inflammatory enteropathy.
Article in BMC veterinary research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers, 1 of them a synthesis that pooled it.
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Who cites it
7 citing papers in PubMed, 1 synthesis or guideline pooled it.
- ACVIM-endorsed statement: consensus statement and systematic review on guidelines for the diagnosis and treatment of chronic inflammatory enteropathy in dogs.Journal of veterinary internal medicine · 2026Pooled it
- Effects of a Novel Prebiotic and Postbiotic Dietary Supplement on Gut Microbiota, Intestinal Barrier Markers, and Inflammation in Healthy Dogs.Veterinary sciences · 2026Article
- Diagnostic Value of Correlation Between Canine Chronic Enteropathy Clinical Activity Index (CCECAI) and Selected Hematological and Immunological Biomarkers in Dogs with Chronic Enteropathy: A Systematic Meta-Analysis.Veterinary sciences · 2026Article
- Probiotic Strains from Canine Milk Support Gastrointestinal Health in Weaning Labrador Retriever Puppies.Animals : an open access journal from MDPI · 2026Article
- Transcriptome changes in overweight neutered female dogs undergoing a weight loss program with or without Spirulina (Arthrospira platensis) supplementation.BMC veterinary research · 2026Article
- Markers of Gut Health in Small Animals: Focus on Fatty Acids and Amino Acids as Indicators of Intestinal Functionality and Microbiome Activity.Animals : an open access journal from MDPI · 2025Review
- The alleviating effects and mechanisms ofFrontiers in veterinary science · 2025Article
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Authors and funding
7 authors.
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Abstract
backgroundCalprotectin, a damage-associated molecular pattern protein of the S100/calgranulin family, is a potential marker of gastrointestinal inflammation in dogs and mainly originates from activated macrophages and granulocytes. Increased calprotectin concentrations are reported in feces and serum samples from dogs with chronic inflammatory enteropathy (CIE), but mucosal calprotectin expression has not been extensively investigated in canine CIE. Thus, we aimed to evaluate gastrointestinal mucosal concentrations of calprotectin in 62 dogs (44 dogs with CIE compared to 18 healthy Beagles) using a particle-enhanced turbidimetric immunoassay method. Additionally, we assessed the relationship of gastric, duodenal, jejunal, ileal, and colonic mucosal calprotectin levels with the clinical disease severity (canine clinical inflammatory bowel disease activity index, CIBDAI), histopathologic findings, clinical outcome, and serum albumin concentrations to further evaluate the potential of calprotectin as a biomarker for CIE.
resultsMucosal calprotectin concentrations in dogs with CIE were significantly higher in the duodenum (median: 276.2 μg/g) and colon (median: 298.2 μg/g) compared to healthy controls (median: 94.3 μg/g, P = 0.0039; and median: 112.0 μg/g, P = 0.0061). Similar numerical differences in the ileum and cecum were not statistically significant, and mucosal calprotectin concentrations correlated significantly among the different gastrointestinal segments. Histologic lesion severity was linked to mucosal calprotectin concentrations for inflammatory and structural histology criteria in the duodenum and colon (all P < 0.05). Higher mucosal calprotectin levels in the duodenum and across all segments correlated with lower serum albumin concentrations (both P < 0.05); duodenal mucosal calprotectin concentrations were more than sixfold higher in hypoalbuminemic dogs (median: 1441 µg/g, n = 4) than normoalbuminemic dogs (median: 227 µg/g, n = 40). There was no significant association of mucosal calprotectin levels with CIBDAI scores or individual clinical outcomes.
conclusionsThese results show that duodenal and colonic mucosal calprotectin concentrations are increased in dogs with CIE, providing further supporting evidence for the diagnostic potential of fecal calprotectin (presumably reflecting mucosal) concentrations and in dogs with CIE. Further longitudinal research is needed to assess changes in mucosal calprotectin concentrations with clinical response to treatment vs. mucosal disease remission and to determine the clinical utility of fecal calprotectin concentrations to diagnose and monitor dogs with CIE in clinical practice.
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