11 citations
,
August 1987 in “Archives of Dermatology” Langerhans' cells are not involved in hair depigmentation in these mice.
14 citations
,
April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
April 2025 in “Dermatology Practical & Conceptual” UV-enhanced trichoscopy helps diagnose hair shaft disorders like pili annulati.
8 citations
,
August 2018 in “Journal of Investigative Dermatology” 49 citations
,
September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
September 2014 in “Chinese Journal of Dermatology” Hair diameter difference, brown skin discoloration around hair follicles, and missing hair in certain areas are key signs of androgenetic alopecia (commonly known as hair loss) when viewed under a dermoscope.
210 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color production in mice is closely linked to the hair growth phase and may also influence hair growth itself.
75 citations
,
January 2009 in “International journal of trichology” Hair grays due to oxidative stress and fewer functioning melanocytes.
14 citations
,
June 2013 in “Anais Brasileiros de Dermatologia” Follicular red dots may be a normal feature seen in people with less skin pigmentation, not necessarily indicating a scalp disorder.
260 citations
,
June 2011 in “Cell” Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
A 32-year-old man with early graying hair shows a unique pattern, suggesting more research is needed on why hair grays early.
16 citations
,
March 2011 in “Ophthalmic genetics” A patient with Birt-Hogg-Dubé Syndrome also had choroidal melanoma, suggesting the need for careful eyelid exams in such patients.
14 citations
,
January 2018 in “Skin Appendage Disorders” Upper eyelid hyperpigmentation can help diagnose facial lichen planus pigmentosus in patients with frontal fibrosing alopecia.
TBX3 gene affects horse coat color, with higher expression in darker areas.
January 1980 in “Journal of the Japan Veterinary Medical Association” Iodine deficiency in sows likely caused hair loss in newborn piglets.
15 citations
,
January 2012 in “International Journal of Trichology” Hair casts on the scalp may be a sign of ongoing pemphigus vulgaris and could suggest a need to adjust treatment.
January 2004 in “Banca y finanzas: Revista profesional de gestión financiera” Androgens increase pigmentation in certain hamster skin areas, but estrogens can reverse this effect.
September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” A 73-year-old woman with Hypopigmented Mycosis Fungoides, a rare skin lymphoma, experienced disease progression despite treatment, emphasizing the need for ongoing monitoring.
4 citations
,
January 2019 in “Indian Dermatology Online Journal” The term "Porokeratotic Adnexal Ostial Nevus" is suggested as a more appropriate name.
"Bider" markings in Dun Mongolian horses are caused by a complex network of genes and pathways.
August 2024 in “Animal Bioscience” Exosomal miR-222-3p reduces melanin production in rabbits by targeting the SOX10 gene.
30 citations
,
August 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A specific gene mutation causes hair loss and potential eye issues, even if vision seems normal.
44 citations
,
July 2013 in “Journal of the American Academy of Dermatology” Poliosis circumscripta is a patch of white hair caused by lack of melanin, linked to genetic and acquired conditions.
59 citations
,
April 2016 in “Cell Reports” EdnrB signaling helps melanocyte stem cells regenerate and could be targeted to treat pigmentation issues.
February 2013 in “Journal of the American Academy of Dermatology” Follicular red dots can appear where alopecia areata and vitiligo overlap.
1 citations
,
July 2018 in “Journal of The American Academy of Dermatology” Sebaceous glands are often preserved and PPARy expression is constant in some cases of Central Centrifugal Cicatricial Alopecia.
1 citations
,
August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
1 citations
,
January 2016 in “Acta histochemica” Black sheep have higher levels of Gnαs and Gnα11 proteins, which may affect their coat color.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Melanocytes are cells that make skin and hair color and help protect skin from sun damage.
June 2023 in “Animal Bioscience” Vimentin and transthyretin proteins are linked to black coat color in sheep.