43 citations
,
April 2010 in “Developmental Biology” Sebaceous glands can form new hair follicles when activated, but hair follicle bulges cannot.
2 citations
,
November 2006 in “Pump Industry Analyst” Pilomatricomas don't follow the usual hair follicle cell differentiation process.
21 citations
,
March 2003 in “Clinical and Experimental Dermatology” Mutations in the hHb6 gene cause the hair disorder monilethrix.
181 citations
,
January 2009 in “Nature Genetics” Certain mutations in a hair growth-related gene cause a type of genetic hair loss.
8 citations
,
November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
April 2016 in “Journal of Investigative Dermatology” FOL-005, a new substance, was found to reduce hair growth without toxicity when injected into skin, suggesting it could be used to treat excessive hair growth.
October 2024 in “Journal of Cutaneous Pathology” Compound follicles in folliculitis decalvans mainly have active hair follicles.
January 2004 in “Chinese Journal of Dermatology” Injecting specific oligonucleotides can change hair growth and structure by altering a gene.
18 citations
,
February 2001 in “Der Hautarzt” A woman with myotonic dystrophy had multiple skin tumors on her scalp, suggesting a genetic link.
100 citations
,
November 1997 in “Human Genetics” A new mutation in the hHb1 keratin gene is linked to the hair disorder monilethrix.
July 2002 in “Science Signaling” Modified β-catenin can cause different effects in mouse skin cells, leading to cysts or tumors depending on the cell type.
November 2012 in “Experimental and Clinical Endocrinology & Diabetes” A new genetic mutation causes severe Leydig cell hypoplasia, affecting sexual development.
26 citations
,
June 2003 in “PubMed” Alpha-difluoromethylornithine prevents cancer in mice but causes hair loss.
71 citations
,
May 1996 in “Journal of Investigative Dermatology” Ornithine decarboxylase is crucial for hair growth regulation in mice.
August 2021 in “Acta Haematologica Polonica” Folliculotropic mycosis fungoides has a worse prognosis than other types, with survival rates varying significantly based on subtype and organ involvement.
7 citations
,
August 2017 in “European journal of endocrinology” Mutations in the POC1A gene can cause a unique form of extreme insulin resistance and short stature.
4 citations
,
August 1991 in “The Journal of Dermatology” The tumor on the man's nose was a rare type called pedunculated follicular hamartoma.
40 citations
,
November 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Different melanocyte types in hair follicles either survive or die during the catagen phase.
January 2017 in “Enlighten: Publications (The University of Glasgow)” Activating β-catenin and inactivating PTEN cause follicular tumors, not papillomas, similar to those in Cowden’s Disease.
January 2025 in “Clinical Cosmetic and Investigational Dermatology” Genetic testing is crucial for diagnosing rare hair loss disorders.
28 citations
,
February 2010 in “Experimental Dermatology” The frizzy mouse and hairless rat mutations are due to changes in the Prss8 gene.
25 citations
,
June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
Benign tumors from hair follicles can look like other skin cancers but have distinct features under dermoscopy.
January 2014 in “Pathology” RET mutation is important in familial medullary thyroid carcinoma, and BRAF mutation in papillary thyroid carcinoma is linked to more aggressive cancer and higher death rates.
86 citations
,
June 1998 in “Journal of Investigative Dermatology” The hairless gene mutation causes baldness by disrupting hair follicle structure.
11 citations
,
June 1974 in “Journal of Cutaneous Pathology” Follicular mucinosis causes significant damage to hair follicle cells.
April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” A girl with excessive hair growth had a genetic change on chromosome 17 that reduced the activity of two genes linked to hair growth.
199 citations
,
April 2010 in “Nature” A gene called APCDD1, which controls hair growth, is found to be faulty in a type of hair loss called hereditary hypotrichosis simplex.
25 citations
,
June 2017 in “Journal of Investigative Dermatology” HPV8 causes skin cancer by expanding specific skin stem cells.
December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.