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The Veterinary clinics of North America. Equine practice2010; 26(2); 257-264; doi: 10.1016/j.cveq.2010.04.003

Hyperinsulinemic laminitis.

Abstract: Laminitis occurring in association with hyperinsulinemia is frequently encountered in today's equine population. New evidence suggests that hyperinsulinemia is the direct cause of this form of laminitis, rather than insulin resistance per se. The mechanism by which elevated serum insulin concentrations result in lamellar dysfunction is currently under investigation by many researchers and the use of a new insulin infusion model for investigating the pathogenesis of insulin-associated laminitis will doubtless enhance progress in this field of research. By focusing on the metabolic and vascular actions of insulin in the lamellar microenvironment, our research group is trying to gain an insight into the pathophysiological processes involved in this complex problem, in order to better understand the disease.
Publication Date: 2010-06-08 PubMed ID: 20699173DOI: 10.1016/j.cveq.2010.04.003Google Scholar: Lookup
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  • Journal Article
  • Research Support
  • Non-U.S. Gov't
  • Review

Summary

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The research article discusses the link between hyperinsulinemia, a condition characterized by excess levels of insulin in the blood, and laminitis, a disease affecting horses. The researchers are investigating the relationship between these two conditions, focusing especially on the metabolic and vascular actions of insulin in horses’ hooves.

Understanding Hyperinsulinemic Laminitis

  • The research is centered around laminitis, a disease prevalent in the equine population, which is often associated with hyperinsulinemia. Laminitis is a painful condition affecting horse’s feet, while hyperinsulinemia is characterized by high amounts of insulin in the blood.
  • The article proposes that hyperinsulinemia is a direct cause of this form of laminitis, challenging the previously held belief that insulin resistance is primarily responsible. This change in perspective suggests that treating hyperinsulinemia could be critical in managing laminitis.

Research Method and Focus

  • The research team is investigating the mechanism by which increased levels of insulin contribute to lamellar dysfunction, a deterioration process instrumental in the development of laminitis.
  • A specific method used in this study is the insulin infusion model, a new research tool allowing scientists to study how insulin levels influence the pathogenesis, or the development, of laminitis.

Purpose of the Study

  • By focusing on how insulin affects the metabolic and vascular workings within the laminae (internal structures of the hoof), the researchers aim to deepen their understanding of the disease process and the role of hyperinsulinemia in causing laminitis.
  • The primary goal of the study is to unravel the complex pathophysiological processes involved in hyperinsulinemic laminitis. This would shed light on the mechanisms causing the disease, thereby aiding in developing more effective treatment and preventive strategies.

Cite This Article

APA
de Laat MA, McGowan CM, Sillence MN, Pollitt CC. (2010). Hyperinsulinemic laminitis. Vet Clin North Am Equine Pract, 26(2), 257-264. https://doi.org/10.1016/j.cveq.2010.04.003

Publication

ISSN: 1558-4224
NlmUniqueID: 8511904
Country: United States
Language: English
Volume: 26
Issue: 2
Pages: 257-264

Researcher Affiliations

de Laat, Melody A
  • Australian Equine Laminitis Research Unit, School of Veterinary Science, The University of Queensland, Gatton, Queensland 4343, Australia. m.delaat@uq.edu.au
McGowan, Catherine M
    Sillence, Martin N
      Pollitt, Christopher C

        MeSH Terms

        • Animals
        • Foot Diseases / etiology
        • Foot Diseases / physiopathology
        • Foot Diseases / veterinary
        • Hoof and Claw
        • Horse Diseases / etiology
        • Horse Diseases / physiopathology
        • Horses
        • Hyperinsulinism / complications
        • Hyperinsulinism / physiopathology
        • Hyperinsulinism / veterinary
        • Inflammation / veterinary

        Citations

        This article has been cited 4 times.
        1. Kellon EM, Gustafson KM. Use of the SGLT2 inhibitor canagliflozin for control of refractory equine hyperinsulinemia and laminitis.. Open Vet J 2022 Jul-Aug;12(4):511-518.
          doi: 10.5455/OVJ.2022.v12.i4.14pubmed: 36118716google scholar: lookup
        2. Daradics Z, Crecan CM, Rus MA, Morar IA, Mircean MV, Cătoi AF, Cecan AD, Cătoi C. Obesity-Related Metabolic Dysfunction in Dairy Cows and Horses: Comparison to Human Metabolic Syndrome.. Life (Basel) 2021 Dec 16;11(12).
          doi: 10.3390/life11121406pubmed: 34947937google scholar: lookup
        3. Pollard D, Wylie CE, Verheyen KLP, Newton JR. Identification of modifiable factors associated with owner-reported equine laminitis in Britain using a web-based cohort study approach.. BMC Vet Res 2019 Feb 12;15(1):59.
          doi: 10.1186/s12917-019-1798-8pubmed: 30755193google scholar: lookup
        4. de Laat MA, Gruntmeir KJ, Pollitt CC, McGowan CM, Sillence MN, Lacombe VA. Hyperinsulinemia Down-Regulates TLR4 Expression in the Mammalian Heart.. Front Endocrinol (Lausanne) 2014;5:120.
          doi: 10.3389/fendo.2014.00120pubmed: 25101057google scholar: lookup