Hedgehog signaling can create new hair follicles in adult skin but may increase cancer risk.
10 citations
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October 2000 in “PubMed” E6/E7 oncogenes in hair follicles cause continuous hair growth by skipping the resting phase.
April 2018 in “Journal of Investigative Dermatology” The document concludes that ERBB2 mutations are common in extramammary Paget disease and may respond to systemic treatments like cancer immunotherapy.
478 citations
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September 1996 in “Proceedings of the National Academy of Sciences” Overexpression of PTHrP in chondrocytes causes short-limbed dwarfism and delayed bone formation in mice.
39 citations
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September 2007 in “BMC developmental biology” Neuregulin3 affects cell development in the skin and mammary glands.
January 2026 in “Scientific Reports” Certain blood cell ratios are higher in kids with alopecia areata and might help predict the disease.
4 citations
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November 2015 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Eosinophilic esophagitis may trigger alopecia areata in some patients.
April 2026 in “American Journal of Dermatopathology” Increased blood vessel growth in lichen planopilaris may signal active disease needing aggressive treatment.
2 citations
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March 1997 in “Veterinary Dermatology” The Doberman had multiple skin tumors, but it's unclear if color dilution increased the risk.
31 citations
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February 2007 in “Molecular Carcinogenesis” Overexpressing ATF3 in mice's epithelial cells may lead to oral cancer.
January 2005 in “Journal of Cutaneous Pathology” A unique type of complex cyst was found on a man's scrotum.
22 citations
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February 2000 in “Journal of the American Academy of Dermatology” Eosinophils are not a reliable marker for diagnosing alopecia areata.
28 citations
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January 2005 in “Photochemistry and Photobiology” Protein kinase C epsilon may increase skin cancer risk by affecting nearby cells.
323 citations
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November 1984 in “Journal of Investigative Dermatology” 2 citations
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January 2024 in “BioMed Research International” Patients with alopecia areata and eosinophilia have more nail issues and severe hair loss.
1 citations
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April 2022 in “Journal of cosmetic dermatology” Krox20 overexpression in fibroblasts may play a role in abnormal scar formation and could be a target for new treatments.
7 citations
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December 2021 in “Curēus” Breast cancer skin metastases are rare, look different, and can be confused with other skin issues, so a biopsy is needed for accurate diagnosis.
13 citations
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November 1995 in “European Archives of Oto-Rhino-Laryngology” 29 citations
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June 2016 in “Experimental Dermatology” MCHR2 gene duplications may be linked to alopecia areata.
1 citations
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January 2012 in “Journal of Toxicologic Pathology” A rat had a cyst similar to a hair follicle structure.
June 2018 in “Chinese Journal of Dermatology” Connective tissue nevi have distinct features, and reflectance confocal microscopy is useful for early diagnosis.
91 citations
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March 2011 in “Stem Cell Reviews and Reports” Human epidermal neural crest stem cells can become bone and skin pigment cells, making them useful for therapies.
16 citations
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July 2008 in “BMC Genomics” Alpha 6 + /MHCI - cells have stem cell traits and are similar to mouse hair follicle stem cells.
mEphA1 receptor tyrosine kinase is important for skin and hair development and may play a role in certain diseases.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
1 citations
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November 2002 in “Endocrine practice” The patient's high testosterone was reduced by a medication that suppresses gonadotropin.
September 2012 in “Turkish Journal of Dermatology” Erythema multiforme-like lesions can occur in lupus without drug use or herpes infection.
November 2025 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Sporadic trichoblastic neoplasms generally don't recur or spread, with one case showing a specific genetic fusion.
54 citations
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February 1993 in “Endocrine reviews” Androgen conjugates might be better indicators of skin sensitivity to hormones in women with excessive hair growth.
19 citations
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July 2013 in “The obstetrician & gynaecologist” The document concludes that careful evaluation is needed to diagnose PCOS correctly due to similar symptoms in other conditions, and accurate testosterone level measurement is crucial.