August 2024 in “Dermatology and Therapy” This report describes a case where a 44-year-old male treated with vorasidenib for diffuse low-grade gliomas developed unexpected hair growth, including in areas of severe hair loss, after one month, highlighting a previously undocumented side effect.
41 citations
,
June 2024 in “Journal of Cellular and Molecular Medicine” This study reviews how oxidative stress affects hair follicle development and hair growth, discusses antioxidant-based treatments for hair loss, and evaluates natural antioxidant products that promote hair growth, emphasizing the need for further research due to existing limitations.
May 2024 in “Journal of Cosmetic and Laser Therapy” This study found that three sessions of injectable platelet-rich fibrin (i-PRF+) significantly improved hair follicle density, hair volume, and thickness, as well as patient satisfaction in women with female pattern hair loss, with only minor self-limited adverse effects reported.
March 2024 in “Chinese Chemical Letters” In this study, researchers demonstrated that zero valence fluorescent gold nanoclusters can be biosynthesized in damaged skin and inhibit hair follicle regeneration by affecting the NFκB inflammatory response pathway, suggesting potential as a treatment for hypertrichosis related to skin injury.
5 citations
,
January 2024 in “Aesthetic Surgery Journal” In this study, researchers observed that while paradoxical hypertrichosis occurred after laser hair removal in some cases, using daily sun protection and diode laser SHR significantly reduced its incidence, with the periareolar area identified as a high-risk region.
1 citations
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December 2023 in “International journal of molecular sciences” In this study, researchers found that miR-199a-3p plays a regulatory role in hair follicle development via the PTPRF/β-catenin axis and established a mouse model of alopecia areata by downregulating this small RNA, suggesting its potential value in studying alopecia diseases.
November 2023 in “Nature Communications” This study reported that depleting the pro-apoptotic protein Bax in hair follicle stem cells enables these cells to kill nearby viable cells by sequestering TNFα, which increases the stem cell pool and accelerates tissue regeneration, suggesting potential implications for therapies targeting tissue repair and cancer.
11 citations
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November 2023 in “Skin Research and Technology” A 2 mm needle is effective and precise for skin injections.
August 2023 in “Journal of Dermatological Treatment” This systematic review concluded that mesotherapy shows potential for improving hair growth outcomes, yet lacks standardized regimens and requires further large-scale trials to establish its efficacy and safe use.
June 2023 in “Clinical and Experimental Dermatology” This systematic review reported that gender-affirming hormone therapy may lead to changes in hair growth patterns, with differing effects for transgender men and women, potentially impacting quality of life.
7 citations
,
November 2022 in “Communications biology” This study found that injecting keratin into the skin of mice promoted hair growth, potentially through keratin's interaction with hair-forming cells and changes in the microenvironment.
November 2022 in “Molecular Pharmaceutics” This study found that intradermal injection of a cell-penetrating, AR-targeting asiRNA promoted hair growth and reduced androgen receptor expression in mouse models of androgenetic alopecia, suggesting its therapeutic potential.
October 2022 in “Experimental Dermatology” This review discusses the development of hair-on-a-chip technology for hair follicle research and alopecia treatment, reporting no new clinical results but highlighting future research directions.
10 citations
,
September 2022 in “Advanced Healthcare Materials” This review discusses recent advancements and ongoing challenges in engineering human skin with appendages using scaffold-free and scaffold-based bioengineering approaches, but it reports no new clinical results.
August 2022 in “International Journal of Molecular Sciences” This study found that lncRNA2919 negatively impacts hair follicle regeneration by decreasing follicle depth and density in a rabbit model, suggesting a regulatory role in the hair follicle cycle through DNA methylation.
21 citations
,
May 2022 in “Frontiers in Cell and Developmental Biology” This review covers the structure, development, cycle, and molecular regulation of hair follicles but does not report new results, aiming to offer insights for addressing hair follicle-related diseases.
March 2022 in “Journal of The European Academy of Dermatology and Venereology” 
9 citations
,
July 2021 in “Frontiers in Pharmacology” This study found that intradermal injection of cholesterol-modified siRNA targeting FGF5 or FGF18, or topical application of FGF18-targeted siRNA, effectively influenced hair follicle cycles in mice, suggesting potential benefits for alopecia management.
25 citations
,
November 2020 in “Proceedings of the National Academy of Sciences” This study found that the HoxC gene cluster plays a critical role in the development of ectodermal organs, including hair and nails, with mammalian-specific enhancers increasing transcription levels during development.
7 citations
,
September 2020 in “Journal of The American Academy of Dermatology” This article describes the characteristics and management of hypertrichosis induced by low-dose oral minoxidil used for hair disorders, but reports no new clinical findings.
59 citations
,
July 2020 in “Journal of The American Academy of Dermatology” This study concluded that oral minoxidil is an effective and well-tolerated alternative to topical minoxidil for healthy patients struggling with application-related compliance issues.
4 citations
,
June 2020 in “British Journal of Pharmacology” This study found that activating TRPV4 in the skin of mice induced hair follicle regeneration by promoting anagen transition, suggesting potential treatment strategies for hair loss.
9 citations
,
March 2019 in “Scientific reports” This study found that transient non-lethal levels of endogenous ROS in cultured human hair follicles promoted entry into the growth phase by activating the hair follicle stem cell niche.
25 citations
,
January 2019 in “British Journal of Dermatology” Low oxygen levels can make hair-growing cells better at growing hair through a process involving reactive oxygen species.
3 citations
,
March 2018 in “Pediatric Dermatology” This study found that omeprazole can cause acquired generalized hypertrichosis by significantly increasing duodenal prostaglandin E2 synthesis, which is involved in hair growth regulation.
169 citations
,
January 2018 in “Cell Reports” In this study, researchers successfully derived skin organoids from mouse pluripotent stem cells that spontaneously produce hair follicles, potentially aiding in hair growth research and in vitro drug testing.
23 citations
,
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” In this mouse study, NF-κB was shown to play a role in hair follicle cycling and morphogenesis, with specific activity patterns differing by hair type and involving noncanonical signaling for zigzag hair bending.
214 citations
,
April 2017 in “Cell” This study found that micro-niches within hair follicles create heterogeneity among stem cells and transit-amplifying cells, leading to specialized progenitors that control tissue morphogenesis and regeneration.
117 citations
,
March 2017 in “Nature Communications” This study shows that macrophage-induced TNF signaling can activate hair follicle stem cells and promote new hair follicle formation after wounding by regulating AKT/β-catenin pathways.
82 citations
,
May 2016 in “Best Practice & Research in Clinical Obstetrics & Gynaecology” This article outlines the clinical features, evaluation, and treatment strategies for androgen excess in polycystic ovary syndrome, highlighting important diagnostic and management approaches but reporting no new research results.
30 citations
,
February 2016 in “British journal of dermatology/British journal of dermatology, Supplement” This review found moderate to very low-quality evidence that spironolactone, flutamide, and cyproterone acetate combined with oral contraceptives may reduce hirsutism more effectively than placebo or metformin, though results vary among other treatments.
236 citations
,
April 2015 in “Cell” This study found that patterned hair plucking in mice triggers a collective regeneration response in nearby unplucked hair follicles via a quorum sensing mechanism involving immune signaling.
43 citations
,
July 2014 in “Experimental Dermatology” This review explores the relationship between hair follicles and wound healing, emphasizing the importance of translating scientific findings into practical therapies for chronic wounds, but it reports no new experimental results.
6 citations
,
July 2013 in “Acta Clinica Belgica” This review discusses idiopathic hirsutism and suggests that combination treatment, including androgen suppression and cosmetic methods, is most effective, but notes that its pathogenesis remains unclear.
237 citations
,
June 2013 in “Nature Medicine” This study found that fibroblast growth factor 9, initially secreted by γδ T cells, plays a key role in modulating hair follicle regeneration in mice after skin wounds.
22 citations
,
August 2011 in “Endocrine Practice” This review discusses the etiology, diagnosis, and management strategies for hirsutism, noting that serious underlying disorders are rare and emphasizing targeted treatment to manage testosterone's effects.
17 citations
,
May 2011 in “Gene Therapy” This study found that transfecting hair follicle stem cells with a PEI-DNA complex expressing hTERT stimulated hair growth in rats by inducing follicle neogenesis and promoting the anagen phase.
60 citations
,
March 2011 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that RANK-RANKL signaling regulates hair renewal and epidermal homeostasis in mice, revealing its role in initiating hair growth cycles and maintaining skin cell activity.
7 citations
,
October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
375 citations
,
February 2006 in “Journal of Cell Science” This article reviews the stages and regulation of the hair cycle, highlighting molecular regulators involved, but it does not present new research findings.
