Hypothalamic-pituitary gland axis function and dysfunction in horses.
Abstract: Hypothalamic-pituitary (HP) dysfunction has been documented in a limited capacity in horses and foals associated with critical illness, stress, and pain. This article reviews species-specific details of anatomy, function, hormones, receptors, and testing of the HP axis in the horse. A discussion of critical care medicine relevant to HP dysfunction in the horse with some reference to current understanding in human medicine is made, focusing primarily on current and relevant literature. A brief mention of other conditions described in human and veterinary medicine is also provided for reference only, such as syndrome of inappropriate antidiuretic hormone secretion and other conditions.
Copyright © 2011 Elsevier Inc. All rights reserved.
Publication Date: 2011-03-12 PubMed ID: 21392650DOI: 10.1016/j.cveq.2010.12.006Google Scholar: Lookup
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Summary
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This research article focuses on exploring the functioning and potential dysfunctions of the Hypothalamic-pituitary (HP) axis in horses. The HP axis is a crucial physiological system, and its dysfunction can cause various health issues. This research also compares the current understanding of HP in veterinary and human medicine.
Anatomy, Function, and Hormones of the HP Axis in Horses
- The research critically reviews the anatomical and functional details of the HP axis in horses. This includes understanding the specific hormones involved and the roles they play in maintaining health and vitality in horses.
- Emphasis is placed on understanding the species-specific aspects of the HP axis in horses, which contributes to a more detailed and nuanced understanding of its function in these animals.
Impact of HP Dysfunction on Horses’ Health
- The article highlights that dysfunction in the HP axis can occur due to various factors such as stress, pain or critical illnesses. The dysfunction can lead to various health issues that can severely affect a horse’s quality of life and overall wellbeing.
- Historically, there has been limited research into HP dysfunction in horses. However, the authors highlight this as a crucial area of focus and call for more extensive studies.
Comparison with Human Medicine
- This research goes further to compare the understanding of the HP axis and its dysfunction in horses to what is known in human medicine. This comparison enables a broader perspective on the similarities and differences between species, adding depth to the understanding of the topic.
- However, it is explicitly stated that references to human conditions like the syndrome of inappropriate antidiuretic hormone secretion are used for reference only and not as direct comparisons.
Connection to Critical Care Medicine
- The study also discusses the link between the HP axis function, its dysfunctions, and critical care medicine in horses. This link is crucial for veterinary practitioners who deal with critical care situations, as it provides information on potential health issues and treatment strategies related to HP dysfunction in horses.
- The article reflects on the current literature on this topic, emphasizing the need for awareness and understanding of this critical health issue in veterinary practice.
Cite This Article
APA
Hurcombe SD.
(2011).
Hypothalamic-pituitary gland axis function and dysfunction in horses.
Vet Clin North Am Equine Pract, 27(1), 1-17.
https://doi.org/10.1016/j.cveq.2010.12.006 Publication
Researcher Affiliations
- Department of Veterinary Clinical Sciences, Galbreath Equine Center, The Ohio State University, 601 Vernon L Tharp Street, Columbus, OH 43210, USA. Samuel.Hurcombe@cvm.osu.edu
MeSH Terms
- Animals
- Animals, Newborn
- Female
- Horse Diseases / physiopathology
- Horses
- Hypothalamo-Hypophyseal System / physiology
- Hypothalamo-Hypophyseal System / physiopathology
- Male
- Pituitary-Adrenal System / physiology
- Pituitary-Adrenal System / physiopathology
Citations
This article has been cited 6 times.- Johnson K, Peterson J, Kopper J, Dembek K. The hypothalamic-pituitary-adrenal axis response to ovine corticotropin-releasing-hormone stimulation tests in healthy and hospitalized foals. J Vet Intern Med 2023 Jan;37(1):292-301.
- Lauteri E, Mariella J, Beccati F, Roelfsema E, Castagnetti C, Pepe M, Peric T, Barbato O, Montillo M, Rouge S, Freccero F. Adrenal Gland Ultrasonographic Measurements and Plasma Hormone Concentrations in Clinically Healthy Newborn Thoroughbred and Standardbred Foals. Animals (Basel) 2021 Jun 19;11(6).
- Satué K, Fazio E, Muñoz A, Medica P. Endocrine and Electrolyte Balances during Periovulatory Period in Cycling Mares. Animals (Basel) 2021 Feb 17;11(2).
- Dembek KA, Johnson LM, Timko KJ, Minuto JS, Hart KA, Barr BS, Toribio RE. Multiple adrenocortical steroid response to administration of exogenous adrenocorticotropic hormone to hospitalized foals. J Vet Intern Med 2019 Jul;33(4):1766-1774.
- Akhtar MF, Ali S, Hassan F, Changfa W. Molecular pathways affecting reproductive efficiency in seasonal breeders: prospects and implications for improving fertility in donkeys. Front Vet Sci 2025;12:1633945.
- Potier JF, Louzier V. Evaluation of stress markers in horses during hippotherapy sessions in comparison to being ridden by beginners. Anim Welf 2023;32:e10.
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