58 citations
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January 2006 in “Skin Pharmacology and Physiology” High levels of testosterone and 5α-DHT can lead to cell death in cells important for hair growth.
September 2025 in “PubMed” Mechanical stimulation and new therapies show promise for hair regrowth.
359 citations
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January 2015 in “Cold Spring Harbor Perspectives in Medicine” Hair growth phase and certain genes can speed up wound healing, while an inflammatory mediator can slow down new hair growth after a wound. Understanding these factors can improve tissue regeneration during wound healing.
127 citations
,
January 2000 in “Journal of Investigative Dermatology” Cytotoxic T cells cause hair loss in chronic alopecia areata.
290 citations
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December 2017 in “Journal of The American Academy of Dermatology” Alopecia areata is an autoimmune condition causing hair loss, influenced by genetics, stress, and diet, and may be prevented by a high soy oil diet.
172 citations
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May 2018 in “Nature” Mammalian organs regenerate using stem cells and cell plasticity, but this ability declines with age.
18 citations
,
April 2016 in “Molecular Genetics and Genomics” Thymosin beta 4 may help hair growth and could be a treatment for hair issues.
May 2025 in “Journal of Inflammation Research” Natural killer and CD8+ T cells play a key role in hair loss in androgenetic alopecia.
3 citations
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May 2023 in “Precision clinical medicine” Researchers found four genes that could help diagnose severe alopecia areata early.
2 citations
,
September 2022 in “Frontiers in Immunology” T-regulatory cells are important for skin health and can affect hair growth and reduce skin inflammation.
January 2026 in “Journal of Investigative Dermatology” Special cells can help regrow hair in alopecia areata.
218 citations
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April 2008 in “Genes & Development” Skin stem cells help repair damage and maintain healthy skin.
6 citations
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July 2023 in “Nature cell biology” SOX9 helps determine stem cell roles by interacting with DNA and proteins that control gene activity.
August 2013 in “Nature Reviews Drug Discovery” New treatments for cancer and skin disorders show promise in disrupting harmful cell interactions and promoting hair growth.
57 citations
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March 2019 in “Immunity” The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.
27 citations
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January 2020 in “Experimental Dermatology” Immune cells affect hair growth and could lead to new hair loss treatments.
October 2021 in “Research Square (Research Square)” Melatonin affects certain genes and pathways involved in cashmere goat hair growth.
July 2025 in “Archives of Toxicology” The new skin model can predict how chemicals might cause skin allergies.
5 citations
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April 2022 in “Frontiers in Medicine” Hair and skin healing involve complex cell interactions controlled by specific molecules and pathways, and hair follicle cells can help repair skin wounds.
1 citations
,
January 2018 in “Elsevier eBooks” The skin's dermal layer contains true stem cells with diverse functions and interactions that need more research to fully understand.
9 citations
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March 2022 in “Frontiers in Immunology” Foxp3+ Regulatory T Cells are important for immunity and tolerance, affect hair growth and wound healing, and their dysfunction can contribute to obesity-related diseases and other health issues.
125 citations
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September 2019 in “Journal of Clinical Immunology” Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.
July 2025 in “Cell & Bioscience” Specific immune cells and pathways contribute to hair follicle inflammation and hair loss, suggesting potential treatments for lichen planopilaris.
February 2026 in “Biochemical and Biophysical Research Communications” Scientists successfully regenerated functional hair follicles using specific stem cells and mesenchymal cells.
4 citations
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July 2014 in “Journal of Investigative Dermatology” Old people have less hair because their hair follicles don't regenerate as well, not because of fewer stem cells, and a protein called follistatin might help reactivate hair growth.
27 citations
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August 2021 in “Journal of Autoimmunity” Human dermal γδT-cells respond to stress in hair follicles, contributing to hair loss.
21 citations
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September 2010 in “Cancer Prevention Research” Overactive signaling in hair follicles can lead to skin cancer.
90 citations
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January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
3 citations
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January 2018 in “PeerJ” Researchers created a long-lasting mouse skin cell strain that may help with hair growth research and treatments.
September 2023 in “Frontiers in medicine” The mTOR signaling pathway is crucial for hair health and targeting it may lead to new hair loss treatments.