353 citations
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February 2022 in “Nature Immunology” Long-haul COVID can cause lasting symptoms affecting many body systems and may be linked to ongoing inflammation and immune system issues.
212 citations
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August 2004 in “Proceedings of the National Academy of Sciences” Hair follicle cells can create new blood vessels in the skin.
193 citations
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May 2008 in “Development” Activating β-catenin can turn skin cells into hair follicles.
127 citations
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December 2007 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
108 citations
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July 2004 in “American Journal of Pathology” Stress increases a factor in mice that leads to hair loss, and blocking this factor may prevent it.
86 citations
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June 1998 in “Journal of Investigative Dermatology” The hairless gene mutation causes baldness by disrupting hair follicle structure.
81 citations
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January 2006 in “Journal of cellular physiology” Mice without the vitamin D receptor gene lose hair due to disrupted hair follicle cycles.
80 citations
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September 2007 in “Cell Cycle” Stem cells in hair follicles can become various cell types, including neurons.
78 citations
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June 2013 in “Science” Mice without the Sept4/ARTS gene heal wounds better due to more stem cells that don't die easily.
46 citations
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March 2015 in “Regeneration” Mice can grow new hair follicles after skin wounds through a process not involving existing hair stem cells, but requiring more research to understand fully.
38 citations
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July 1989 in “Archives of dermatological research” Testosterone causes hair loss in AGA mice, which are good for testing baldness treatments, and both minoxidil and cyproterone acetate can prevent this hair loss.
15 citations
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May 2022 in “Journal of Investigative Dermatology” Endothelial TLR2 is crucial for timely wound healing, but HFSC TLR2 is not needed.
4 citations
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June 2025 in “Cell Reports” Clonally expanded CD8+ T cells cause alopecia areata.
4 citations
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February 2022 in “Frontiers in molecular biosciences” Chronic stress in mice changes skin metabolism and gene expression, leading to hair loss.
2 citations
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March 2025 in “PNAS Nexus” Raman spectroscopy can detect radiation exposure in mouse hair with high accuracy for up to 7 days.
2 citations
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June 2016 in “Journal of Applied Biological Chemistry” Glycine soja extract stimulates hair growth and could help treat hair loss.
Prasiola japonica extract may help reduce hair loss and promote hair growth.
October 2025 in “International Journal of Research in Dermatology” The Ayurvedic treatment improved hair growth and reduced hair loss safely.
September 2025 in “JID Innovations” Squaric acid dibutylester promotes hair growth by activating immune cells, especially macrophages.
Periplaneta americana extract promotes hair growth and is safe for treating hair loss.
April 2025 in “Regenerative Therapy” Platelet-rich plasma-derived exosomes can help regrow hair by activating a specific signaling pathway.
November 2024 in “Fizioterapevt (Physiotherapist)” High-intensity phototechnology, especially with other treatments, effectively improves quality of life for diffuse alopecia patients.
November 2024 in “Applied Sciences” Placenta products might help with hair loss, but more research is needed.
August 2024 in “Cosmetics” Peanut callus extract helps grow hair and prevent hair loss.
March 2024 in “Journal of Evidence-Based Integrative Medicine” Teak leaf extract may effectively and safely promote hair growth in males with androgenic alopecia.
October 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Mice treatments didn't grow hair, a patient treatment may affect immune response, and people with hair loss often feel anxious or depressed.
124 citations
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August 1994 in “Journal of Investigative Dermatology” Dexamethasone speeds up hair loss in mice, while cyclosporin A slows it down.
5 citations
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September 2018 in “Bioscience, Biotechnology, and Biochemistry” Thiosulfate may help hair grow faster in mice and works well with a common hair growth treatment.
5 citations
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February 2008 in “Experimental Dermatology” Cyclosporin A promotes hair growth in mice and increases a protein linked to hair growth, but it may not work the same way in humans.
25 citations
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October 2007 in “Developmental biology” Clim proteins are essential for maintaining healthy corneas and hair follicles.