January 2025 in “Clinical Cosmetic and Investigational Dermatology” Pediatric alopecia areata is more immune-active than adult cases, suggesting age-specific treatments and potential use of JAK inhibitors.
TLR2 helps control hair growth and regeneration, and its reduction with age or obesity can impair hair growth.
54 citations
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September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin A affects hair loss and immune response in alopecia areata.
1 citations
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July 2025 in “Diagnostics” Dupilumab users have a higher risk of developing alopecia areata.
48 citations
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September 2020 in “Frontiers in Immunology” Loss of OGG1 increases skin inflammation and auto-antibodies in lupus.
31 citations
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August 2021 in “Stem Cell Research & Therapy” The conclusion is that understanding how hair follicle stem cells live or die is important for maintaining healthy tissue and repairing injuries, and could help treat hair loss, but there are still challenges to overcome.
15 citations
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February 2021 in “Frontiers in immunology” Leptin, a hormone from fat cells, affects immune responses and can influence skin diseases and hair growth.
4 citations
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March 2022 in “BioEssays” Hydra can help understand human hair follicle microbiomes and develop new skin disease therapies.
3 citations
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September 2025 in “Frontiers in Immunology” JAK inhibitors are effective for treating moderate-to-severe alopecia areata.
February 2026 in “Journal of Allergy and Clinical Immunology” Alopecia areata involves immune system issues and specific cell types that disrupt hair growth, leading to hair loss.
August 2024 in “JAAD Case Reports” Upadacitinib successfully regrew hair in a child with alopecia universalis and specific genetic mutations.
Different stem cells are key for hair growth and health, and understanding their regulation could help treat hair loss.
September 2019 in “Journal of Investigative Dermatology” Silibinin may help promote hair growth and treat hair loss.
November 2022 in “Annals of Translational Medicine” Immune activities and specific genes are important in male pattern baldness.
6 citations
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May 2023 in “Drugs” Baricitinib helps regrow hair in adults with severe alopecia better than a placebo and is approved for treatment, but long-term effects are still unknown.
New drugs, baricitinib and ritlecitinib, are effective for severe alopecia areata.
38 citations
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February 2021 in “Journal of Investigative Dermatology” Aging slows wound healing due to weaker cells and immune response.
13 citations
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September 2022 in “Biomolecules” The research confirms that Hidradenitis Suppurativa is characterized by increased inflammation, disrupted skin cell organization, and abnormal metabolic processes.
4 citations
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July 2024 in “Biomolecules” Women with PCOS may have a higher risk of Alzheimer's disease.
4 citations
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December 2022 in “Frontiers in Bioengineering and Biotechnology” Exosomes show promise for improving wound healing, reducing aging signs, preventing hair loss, and lightening skin but require more research and better production methods.
2 citations
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January 2022 in “Stem cell biology and regenerative medicine” Extracellular vesicles, including exosomes from certain cells, can stimulate hair growth.
1 citations
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July 2025 in “Cosmetics” Plant extracts could be effective natural skincare ingredients.
1 citations
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February 2016 in “Cell Transplantation” Hair follicles have a more inactive cell cycle than other skin cells, which may help develop targeted therapies for skin diseases and cancer.
March 2026 in “Preprints.org” The combined stem cell secretome in the skin care product effectively reduces inflammation and promotes tissue regeneration.
6 citations
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March 2022 in “Molecules” Methyl jasmonate boosts tanshinone production in Salvia miltiorrhiza callus cultures.
22 citations
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April 2021 in “Human Cell” MicroRNAs may help diagnose and treat hair loss disorders.
1 citations
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August 2023 in “Biomolecules” Certain immune-related proteins are higher in people with alopecia and their healthy relatives, hinting at a genetic link.
December 2025 in “Journal of Nanobiotechnology” The new microneedle system promotes hair growth by improving the hair follicle environment.
December 2025 in “International Journal of Molecular Sciences” Exosome-based therapies show promise for treating alopecia areata but need more research.
January 2022 in “Stem cell biology and regenerative medicine” The document concludes that hair follicle regeneration involves various factors like stem cells, noncoding dsRNA, lymphatic vessels, growth factors, minoxidil, exosomes, and induced pluripotent stem cells.