May 2021 in “International journal of developmental research” Estrogens and progesterone are key in regulating melasma pigmentation.
5 citations
,
January 2018 in “Indian Dermatology Online Journal” A brown shadow seen in dermoscopy is a marker for lichen nitidus.
34 citations
,
June 1992 in “Journal of Cutaneous Pathology” Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
164 citations
,
February 2010 in “Journal of Cell Science” Human dermal stem cells can become functional skin pigment cells.
7 citations
,
January 2013 in “Ophthalmic plastic and reconstructive surgery” A 79-year-old man was diagnosed with a rare skin condition called nevus comedonicus on his eyelids.
12 citations
,
March 2004 in “Journal of Investigative Dermatology” January 1999 in “Praxis sociológica” Melanocyte stem cells can become melanoma, resembling human melanoma.
1 citations
,
April 2023 in “Clinical, cosmetic and investigational dermatology” Antigens from skin cells may cause hair loss in perinevoid alopecia.
September 2024 in “Indian Journal of Dermatology Venereology and Leprology”
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
25 citations
,
March 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” A specific gene mutation causes varying hair loss severity in a Pakistani family.
29 citations
,
August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
The naked mutation in mice causes hair loss and helps identify keratin genes.
17 citations
,
December 2013 in “Dermatologic Surgery” The treatment improved hair color in most vitiligo patients without major side effects.
2 citations
,
July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
29 citations
,
February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
October 2023 in “Indian dermatology online journal” The young woman has a benign, hereditary skin condition with no signs of a more serious syndrome.
1 citations
,
September 2017 in “BMJ” The man has a disease causing skin patches, thickened nerves, and mild muscle weakness.
1 citations
,
April 2025 in “Clinical Cosmetic and Investigational Dermatology” A rare skin lesion in a 64-year-old woman was successfully treated with a laser, showing minimal redness and no return after one month.
1 citations
,
December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.
8 citations
,
February 2013 in “Central European Journal of Biology” Melanocytes are diverse cells important for pigmentation and skin health, influenced by genetics and environment.
20 citations
,
September 2018 in “Journal of cutaneous pathology” Different skin diseases show unique patterns of skin cell separation, cell death, and granular layer changes.
The gene Endothelin 3 makes mice's fur darker by increasing pigment cells and pigment levels.
62 citations
,
December 1966 in “Endocrinology” Injecting α-MSH made mice's hair turn black.
14 citations
,
November 2013 in “PloS one” HGF/SF increases skin melanocytes but doesn't change melanin type or amount.
1 citations
,
April 2024 in “Animal Genetics” A genetic defect in an Appenzeller Mountain Dog caused skin issues, improved with ketoconazole, showing the importance of advanced genetic testing.
November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
9 citations
,
July 2012 in “Dermatitis” Hair dye with para-phenylenediamine can cause skin depigmentation.
9 citations
,
June 2017 in “American journal of ophthalmology. Case reports” A new mutation in the CDH3 gene causes hair loss and vision problems in a young girl.
1 citations
,
January 2018 in “Jornal Brasileiro de Patologia e Medicina Laboratorial” Monilethrix causes brittle hair and hair loss, and it runs in families.