Metabolic syndrome-From human organ disease to laminar failure in equids.
Authors: Geor, Frank
Journal: Veterinary immunology and immunopathology
Summary
# Editorial Summary: Equine Metabolic Syndrome and Laminitis Risk Obesity, insulin resistance, hyperinsulaemia and hypertriglyceridaemia cluster together in horses as a distinct metabolic syndrome phenotype that significantly elevates laminitis risk, yet the precise pathophysiological mechanisms linking these conditions remain poorly understood. Drawing parallels from human medicine, Geor and Frank identify three candidate pathways warranting investigation: chronic inflammatory cascades initiated by adipose tissue dysfunction, vascular insufficiency stemming from insulin resistance, and endothelial dysfunction that may compromise laminar perfusion and integrity. Whilst human metabolic syndrome demonstrates clear associations with cardiovascular disease through these same mechanisms, the authors argue that equine research must now focus on establishing whether analogous pathways drive the observed increased predisposition to laminitis in metabolically compromised horses. This framework has substantial implications for practice: it suggests that managing obesity and insulin resistance through nutrition and exercise may represent preventative strategies against laminitis, whilst also identifying potential diagnostic markers and therapeutic targets worth monitoring in at-risk animals. For farriers, veterinarians and nutritionists, this positions metabolic assessment and weight management as central to laminitis prevention protocols in predisposed individuals.
Read the full abstract on PubMed
Practical Takeaways
- •Screen horses for metabolic syndrome components (obesity, elevated insulin, triglycerides) as these increase laminitis risk—early identification enables preventive management
- •Weight management and insulin resistance control may reduce laminitis predisposition in affected horses, though specific mechanisms require further research
- •Consider inflammatory and vascular dysfunction pathways when managing laminitis in metabolically compromised horses, not just mechanical load factors
Key Findings
- •Obesity, insulin resistance, hyperinsulinemia, and hypertriglyceridemia are components of equine metabolic syndrome phenotype associated with increased laminitis risk
- •Candidate mechanisms linking metabolic syndrome to laminitis include inflammation associated with obesity, vascular compromise from insulin resistance, and endothelial dysfunction
- •Human medicine provides mechanistic frameworks applicable to understanding equine metabolic syndrome and laminitis pathogenesis