2 citations
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May 2015 in “PloS one” Hair follicle pores help cell survival and growth, even after radiation.
235 citations
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January 2011 in “Journal of Clinical Investigation” Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.
December 2025 in “Journal of Investigative Dermatology” Immune system issues may contribute to female pattern hair loss.
130 citations
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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.
40 citations
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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 2015 in “Journal of Cytology and Histology” Hair loss in Androgenetic Alopecia is not caused by damage to follicular stem cells.
1 citations
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April 2016 in “Journal of Investigative Dermatology” Targeting specific T cells may help treat alopecia areata.
8 citations
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March 2001 in “PubMed” A man developed recurring scalp inflammation and hair loss after a head injury.
January 2019 in “Durham e-Theses (Durham University)” Less stiff collagen promotes higher cell growth in hair follicles.
17 citations
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September 2019 in “Journal of Cell Biology” Hair follicle regeneration may slow tumor growth.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
May 2007 in “Science's STKE” Healing skin wounds in mice can create new hair follicles, and adjusting Wnt signaling could potentially reduce scarring and treat hair loss.
25 citations
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July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Imiquimod cream activates hair follicle stem cells and causes early hair growth by changing immune cells and certain protein expressions.
11 citations
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January 2019 in “Dermatologic Surgery” Hair follicle transplants help heal wounds, but scar quality and hair growth vary by location.
79 citations
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December 2013 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata may be treated by restoring hair follicle immune privilege and adjusting immune responses.
August 2023 in “Dermatologic Surgery” Wounding may stimulate hair growth, but more research is needed to confirm the safety and effectiveness of related treatments.
September 2004 in “Experimental Dermatology” Stress increases nerve growth factor, causing hair loss in mice.
July 2021 in “CRC Press eBooks” Healthy scalp is crucial for hair growth and preventing hair loss.
November 2024 in “Journal of Investigative Dermatology” γδT cells can protect hair follicles from alopecia areata and promote hair regrowth.
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
March 2013 in “Hair transplant forum international” Inflammation linked to the immune response may play a role in causing various types of hair loss.
October 2023 in “Oncotarget” Apoptotic cells help cause hair follicle cell death during regression.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” EGFR deficiency causes significant changes in skin cells and hair follicles.
21 citations
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September 2011 in “PubMed” Scalp hair folliculitis is hard to diagnose and treat due to various causes and complex classification.
June 2022 in “Indian Dermatology Online Journal” A man with total hair loss developed blackhead-like spots on his scalp, possibly because no hair was present to help drain oils.
24 citations
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August 2022 in “Immunity” Type 2 immunity helps control mite growth in hair follicles, preventing damage.
July 2012 in “Springer eBooks” The document concludes that proper diagnosis and treatment of nonscarring alopecias can improve quality of life and hair regrowth is possible as the hair follicle remains intact.
23 citations
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Blocking EGFR can lead to hair loss due to inflammation and stem cell damage.
January 2006 in “Chinese Journal of Dermatology” Mesenchymal cells are essential for hair follicle stem cell growth.