December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
86 citations
,
February 2012 in “Journal of Clinical Investigation” Stem cells in hair follicles are diverse and change throughout the hair cycle.
September 2016 in “Journal of The American Academy of Dermatology” The girl has a genetic hair condition causing thin hair since childhood.
April 2018 in “Journal of Investigative Dermatology” Key signals for hair follicle formation were identified.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
May 2026 in “Frontiers in Cell and Developmental Biology” Collagen networks play a key role in hair loss and follicle miniaturization.
July 2011 in “F1000Research”
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.
20 citations
,
February 2015 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” A 6-year-old girl was diagnosed with a rare hair disorder and started treatment with topical minoxidil.
8 citations
,
October 2024 in “Developmental Cell”
March 2026 in “Oxford Journal of Student Scholarship” Hair follicle stem cells can help treat hair loss and chronic ulcers, but more research is needed for other uses.
1 citations
,
January 2020 in “Microscopy research” Researchers successfully grew hair follicle stem cells from mice and humans, which could be useful for tissue engineering and regenerative medicine.
November 2024 in “Stem Cell Research & Therapy” A new method improves the isolation of hair follicle cells for better hair growth research.
22 citations
,
December 1991 in “PubMed” 6 citations
,
July 2017 in “Clinical and Experimental Dermatology” Four new cases confirmed the unique features of follicular porokeratosis.
Fgf20 is crucial for hair follicle formation by influencing cell movement and growth.
550 citations
,
December 2005 in “The Journal of clinical investigation/The journal of clinical investigation” Researchers successfully isolated and identified key markers of stem cell-enriched human hair follicle bulge cells.
12 citations
,
November 2020 in “Journal of Dermatological Science” Found microRNA differences in hair cells, suggesting potential treatment targets for hair loss.
61 citations
,
November 2004 in “Annals of the Academy of Medicine Singapore” Hair follicle stem cells are mainly in the bulge region and can help repair skin and form hair and glands, but more research is needed to fully understand them.
75 citations
,
August 2011 in “Journal of Investigative Dermatology” Forming spheres boosts the ability of certain human cells to create hair follicles when mixed with mouse skin cells.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
18 citations
,
June 1992 in “Acta Histochemica” Human hair follicles have a unique cell distribution and differentiation pattern during growth.
2 citations
,
August 2012 in “Cell Stem Cell” The study showed that some hair follicle stem cells wake up to grow hair while others stay asleep, and that the environment around them is important for hair growth.
25 citations
,
August 2010 in “Acta Biomaterialia” Researchers developed a method to grow hair follicle cells for transplantation using a special chip.
58 citations
,
September 2012 in “Dermatologic Clinics” Male pattern hair loss caused by follicular miniaturization; early diagnosis and treatment can reduce psychological burden.
January 2011 in “Bradford Scholars (University of Bradford)” Testosterone stimulates growth in intermediate hair follicles, but this can be blocked by cyproterone acetate.
January 2016 in “Journal of The American Academy of Dermatology” The woman has a type of scarring hair loss with red bumps around hair follicles.
Fgf20 helps form hair follicle structures by stopping cell division and increasing cell movement.
43 citations
,
December 2008 in “Molecular biology of the cell” Disrupting Smad4 in mouse skin causes early hair follicle stem cell activity that leads to their eventual depletion.
15 citations
,
July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.