The Role of Insulin in Endocrinopathic Laminitis |
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Authors: | Catherine McGowan |
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Institution: | Australian Equine Laminitis Research Unit, School of Veterinary Science, The University of Queensland, Brisbane, QLD, Australia |
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Abstract: | Laminitis is a devastating disease of horses that usually arises as a consequence of major systemic disease or endocrine disturbances. Research has been confounded by apparently disparate results and theories on pathogenesis. Models of laminitis have greatly advanced our understanding of the disease, yet have mostly involved perturbations of the gastrointestinal tract or inflammatory models. A major trend in research on laminitis in the past few years has been the increasing interest in endocrine dysfunction resulting in laminitis. A new model of laminitis associated with hyperinsulinemia has recently been discovered and the central role of high insulin in triggering endocrinopathic laminitis highlighted. This review discusses the pathophysiology of insulin resistance and hyperinsulinemia in horses and possible mechanisms of insulin-induced laminitis. |
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Keywords: | Equine Cushing's syndrome Glucocorticoids Equine metabolic syndrome Hyperinsulinemia Laminitis |
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