March 2012 in “Journal of The American Academy of Dermatology” Dermoscopy helps diagnose different hair loss conditions, and characteristics vary among ethnicities and individual cases.
May 2024 in “Indian Journal of Dermatology” The woman has a rare skin condition called follicular Dowling-Degos disease, which has limited treatment options.
314 citations
,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
January 2003 in “Chinese Journal of Reparative and Reconstructive Surgery” Dermal papilla cells can help form hair follicles and produce hair.
10 citations
,
June 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” FP-1 is a key protein in rat hair growth, active only during the growth 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.
32 citations
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February 2002 in “Veterinary Dermatology” Canine dermal papilla cells and fibroblasts have distinct growth patterns and protein expressions.
141 citations
,
November 2005 in “International journal of pharmaceutics” Hair follicles may soon be used more for targeted and systemic drug delivery.
36 citations
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January 1994 in “Cell and Tissue Research” 1 citations
,
March 2013 in “Journal of Dermatological Case Reports” A rare skin condition affected only the facial hair of a 46-year-old man.
29 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle development involves complex interactions between skin layers and cells, but many details are still unknown.
16 citations
,
February 2010 in “Journal of the European Academy of Dermatology and Venereology” Fibrosing alopecia in a pattern distribution is a unique hair loss condition that may respond to antiandrogen therapy.
June 2026 in “Communications Biology” Hoxc13 and hair keratin are needed for forming rough skin on frog mating pads.
9 citations
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March 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Ectodysplasin signaling is crucial for skin appendage development, requiring specific doses and durations.
Fgf20 is crucial for hair follicle formation by influencing cell movement and growth.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
November 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” Researchers identified new cell types and genes in early hair follicle development.
17 citations
,
April 1997 in “American Journal of Dermatopathology” PC-associated alopecia has unique microscopic features.
4 citations
,
January 2020 in “Dermatology Online Journal” Congenital atrichia with papular lesions causes permanent hair loss and skin bumps due to a gene mutation.
September 2022 in “IP Indian journal of clinical and experimental dermatology” An 8-year-old girl has a rare genetic disorder causing complete, irreversible hair loss and skin bumps.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
2 citations
,
May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
130 citations
,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
January 2015 in “Pathology” A 64-year-old man had a rare skin cancer near his ear, unresponsive to antibiotics, with specific skin and hair follicle changes.
63 citations
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October 2011 in “Archives of Dermatology” Isolated long hairs at the original hairline can help diagnose Frontal Fibrosing Alopecia.
2 citations
,
June 2022 in “Life” A 14-year-old boy is the youngest person reported with a rare, benign tumor related to hair follicles, usually found in older people.
February 2021 in “IP Indian journal of clinical and experimental dermatology” A rare non-cancerous tumor that grows like hair was found in an unusual spot, the vulva.
7 citations
,
June 1967 in “Journal of Investigative Dermatology” Plucking hairs in a certain way can result in intact hair roots, not related to baldness.
April 2016 in “Journal of Investigative Dermatology” Autophagy, a cell recycling process, is crucial for prolonged hair growth and could be a potential target for treating hair growth disorders.
24 citations
,
April 2012 in “Developmental Biology” Dermal papillae cells, important for hair growth, come from multiple cell lines and can be formed by skin cells, regardless of their origin or hair cycle phase. These cells rarely divide, but their ability to shape tissue may contribute to their efficiency in inducing hair growth.