This source explains that Equine Cushing’s disease, or PPID, in horses is due to the degeneration of brain cells producing dopamine, leading to elevated cortisol levels and characteristic symptoms; it outlines diagnosis methods and emphasizes life-long pergolide treatment to manage the condition.
5 citations
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December 2005 in “Clinical Techniques in Equine Practice” This review discusses how skin lesions and haircoat changes in adult horses can indicate systemic diseases, emphasizing the need for veterinary evaluation, and reports no new clinical findings.
October 2025 in “Animals” This study reported that horses with pituitary pars intermedia dysfunction had improved coat condition, advanced shedding, and better quality of life when treated with blue light masks.
This chapter reviews factors affecting hair growth and shedding and describes various conditions that can lead to hair growth diseases, but it reports no new clinical findings.
12 citations
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June 2019 in “Psychoneuroendocrinology” This study found that in rodent models, the ability of D1 dopamine receptor activation to impair sensory gating is facilitated by 5α-reductase type 1, which produces allopregnanolone.