August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
990 citations
,
October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
September 2025 in “Egyptian Journal of Dermatology and Venerology” Dermoscopy is crucial for diagnosing rare scalp tumors like trichofolliculoma.
3 citations
,
December 2013 in “American Journal of Dermatopathology” A rare skin growth in a baby was successfully removed without coming back.
6 citations
,
August 2006 in “Journal of Cutaneous Pathology” Two teenage brothers had a rare, treatment-resistant form of female-pattern hair loss with unusual scalp changes.
25 citations
,
October 1975 in “Journal of Cutaneous Pathology” Hair growth in alopecia areata is hindered due to impaired cell activity in the surrounding tissue.
3 citations
,
May 1999 in “Dermatologic Surgery” Dr. Connelly agrees that linear basal cell carcinomas might be more aggressive but highlights the study's lack of clear criteria to identify them.
September 2024 in “Dermatology Reports” Sonidegib often causes hair loss, and LC-OCT helps identify early signs.
3 citations
,
May 2023 in “Pediatric Dermatology” A 9-year-old boy had a rare scalp condition usually seen in young men.
60 citations
,
October 2020 in “Nature Communications” AP-1 and TGFß work together to drive resistance in basal cell carcinoma, suggesting new treatment options.
4 citations
,
August 2005 in “Archives of Dermatological Research” Higher p63 and CD34 levels found in specific scalp areas may affect hair loss progression.
51 citations
,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
April 2007 in “Linchuang pifuke zazhi” TGF-β1 and 2 may play a role in hair loss in AGA.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mTurq2-Col4a1 mouse model shows that cells can divide while attached to stable basement membranes during development.
April 2012 in “Cancer Research” Bone marrow-derived cells can lead to skin inflammation and tumors in mice.
5 citations
,
January 2009 in “Dermato-endocrinology” ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
5 citations
,
May 2013 in “The American Journal of Dermatopathology” The author now believes tricholemmal carcinoma is a rare type of infundibular squamous cell carcinoma and more research is needed on these tumors.
28 citations
,
May 2012 in “Veterinary Dermatology” Different types of dog hair loss are linked to problems starting the hair growth phase and early hair cycle ending.
30 citations
,
February 1994 in “Journal of Cutaneous Pathology” A woman's hair loss was initially mistaken for a common hair loss condition but was later found to be caused by breast cancer cells in her scalp.
12 citations
,
July 2019 in “Veterinary Dermatology” Nestin-expressing progenitor cells become outer root sheath keratinocytes.
356 citations
,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
25 citations
,
September 2006 in “Birth Defects Research” Different processes create patterns in skin and things like hair and feathers.
6 citations
,
April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
23 citations
,
July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
124 citations
,
April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
1 citations
,
July 2025 in “Scientific Reports” CD133+ cells are crucial for hair growth.
January 2026 in “Communications Biology” Yak hair follicles adapt to cold through specific gene regulation, enhancing cell growth.
8 citations
,
April 1979 in “Journal of Cutaneous Pathology” Giant cells found in some male pattern baldness cases may help diagnose it and suggest hair is mistakenly seen as foreign by the body.