A 5 cm hair sample can reveal blood type and keratin type for forensic use.
1 citations
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June 2025 in “Pigment Cell & Melanoma Research” SASH1 gene mutations are linked to various inherited skin pigmentation disorders.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Six new genes linked to early hair loss were found, which also surprisingly connect to Parkinson's disease and lower fertility.
1 citations
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April 2016 in “Journal of The American Academy of Dermatology” People with allergies or high eosinophil levels have a higher chance of severe hair loss from alopecia areata, and sudden hair loss can indicate chronic graft-versus-host disease.
March 2025 in “OncoTargets and Therapy” A specific genetic trait in tumor cells is linked to longer survival without disease in certain lymphoma patients.
April 2026 in “World Allergy Organization Journal” Allergic rhinitis increases hair loss risk, but antihistamines can reduce it.
21 citations
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October 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific gene change plus an additional mutation in the same gene cause hereditary trichilemmal cysts.
18 citations
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February 2023 in “eLife” ILC1-like cells can independently cause alopecia areata.
May 2025 in “International Medical Case Reports Journal” Lichen planus pigmentosus may indicate undetected hepatitis C infection.
75 citations
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October 2012 in “Journal of Investigative Dermatology” Alopecia areata can be triggered by specific immune cells without genetic or environmental factors.