January 2016 in “Journal of animal research” Hair can help assess Copper and Zinc levels in dogs.
December 2025 in “American Journal of Dermatopathology” Keratin 19 may help diagnose and treat certain types of permanent hair loss.
4 citations
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May 2020 in “PLOS ONE” Ingenol mebutate gel changes gene expression related to skin development and immune response in actinic keratosis.
40 citations
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June 2009 in “Journal of Cutaneous Pathology” AGA patients have fewer hairs and smaller follicles; T:V ratio above 4:1 may indicate AGA.
6 citations
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May 2015 in “Veterinary Clinics of North America: Equine Practice” Horse skin diseases are complex to manage and often require a biopsy for accurate diagnosis and treatment.