ArticleJournal of veterinary internal medicine2017
Relationship Between β-cell Response and Insulin Sensitivity in Horses based on the Oral Sugar Test and the Euglycemic Hyperinsulinemic Clamp.
Article in Journal of veterinary internal medicine, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Effect of canagliflozin treatment on β-cell responsiveness in insulin-dysregulated horses: a 4-week, multi-arm, double-blind, randomized clinical trial.Journal of veterinary internal medicine · 2026Article
- Efficacy and safety of canagliflozin in insulin dysregulated horses: a 4-week multi-arm, double-blind, randomized, clinical trial.Journal of veterinary internal medicine · 2026Article
- Evaluation of fasting plasma insulin and proxy measurements to assess insulin sensitivity in horses.BMC veterinary research · 2021Article
- Phenotypic, hormonal, and clinical characteristics of equine endocrinopathic laminitis.Journal of veterinary internal medicine · 2019Article
- Short-term effects of canagliflozin on glucose and insulin responses in insulin dysregulated horses: A randomized, placebo-controlled, double-blind, study.Journal of veterinary internal medicineArticle
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Authors and funding
4 authors.
Funding
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Abstract
backgroundA hyperbolic relationship between β-cell response and insulin sensitivity (IS) has been described in several species including rodents, dogs, and humans. This relationship has not been elucidated in the horse. HYPOTHESIS/
objectivesTo determine whether the hyperbolic relationship between β-cell response and IS exists in horses by using indices of β-cell response from the oral sugar test (OST) and IS measurements from the euglycemic hyperinsulinemic clamp (EHC). A second aim was to compare how well IS estimates from the OST and EHC correlate. ANIMALS: Forty-nine horses with different degrees of insulin regulation (normal-to-severe insulin dysregulation).
methodsCross-sectional study. Horses were examined with an OST and an EHC.
resultsDecreased IS was associated with increased β-cell response in the horses. Nine of 12 comparisons between indices of β-cell response and IS measures fulfilled the criteria for a hyperbolic relationship. Indices of IS calculated from the OST correlated highly with the insulin-dependent glucose disposal rate (M) and the insulin-dependent glucose disposal rate per unit of insulin (M/I) determined from the EHC (r = 0.81-0.87). CONCLUSIONS AND CLINICAL IMPORTANCE: A hyperbolic relationship between β-cell response and IS exists in horses, which suggest that horses with insulin dysregulation respond not only with postprandial hyperinsulinemia but are also insulin resistant. The OST is primarily a test for β-cell response rather than a test for IS, but calculated indices of IS from the OST may be useful to estimate IS in horses, especially when the horse is insulin resistant.
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