16 citations
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August 2015 in “Protein Expression and Purification” This study found that recombinant human FGF9 expressed in Arabidopsis thaliana oil bodies significantly promoted the proliferation of NIH/3T3 cells.
April 2026 in “Journal of Dermatological Treatment” This study concluded that in female pattern hair loss patients, CGF and i-PRF treatments were more effective than PRP in increasing target area hair count, with i-PRF having the lowest adverse event rate.
October 2022 in “Hair Transplantation” This article discusses the potential benefits of using modern combination grafting techniques in hair restoration surgery, highlighting the enhanced efficiency and cosmetic coverage compared to traditional follicular unit transplantation, but presents no new clinical results.
28 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” December 2020 in “Research Square (Research Square)” This study identifies a strong association between a 505-bp indel mutation in the FGF5 gene and cashmere growth in goats, suggesting potential use as a genetic marker in breeding programs.
February 2014 in “PubMed” This study reports that high-purity rHFSCs with strong proliferation and high VEGF165 expression can be efficiently obtained, facilitating tissue engineering applications like artificial hair follicles and skin construction.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that gene therapy using a mouse cytomegalovirus vector with telomerase reverse transcriptase or follistatin significantly extended lifespan and improved health markers in mice, without adverse effects.
60 citations
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April 2003 in “Biomaterials” This study found that the controlled release of specific growth factors from biodegradable hydrogels significantly enhanced hair follicle growth and hair shaft length in mice compared to growth factors in solution.
64 citations
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January 2015 in “BioMed Research International” In this study, topical application of fibroblast growth factors was found to promote hair growth by inducing and prolonging the anagen phase in telogenic C57BL/6 mice, suggesting potential as hair growth-promoting agents.
11 citations
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October 2014 in “Gene” In this study, researchers characterized the FGF5 gene in Chinese Merino sheep, identified a new mRNA splicing variant, FGF5S, and noted its restricted expression in the brain, spleen, and skin.
January 2020 in “프로그램북(구 초록집)” This study found that treating androgenetic alopecia patients with microneedle-delivered GFC containing FGF5s and NMN increased hair density and diameter compared to normal saline.
39 citations
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March 2008 in “Journal of biological chemistry/The Journal of biological chemistry” This study found that GLI2 plays a key role in activating follistatin, an activin/BMP antagonist, in response to hedgehog signaling in human epidermal cells, with implications for hair follicle development and basal cell carcinoma.
78 citations
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August 2017 in “Endocrine Reviews” This review discusses the free hormone hypothesis for measuring "free" testosterone and critiques its theoretical basis and clinical application, noting it lacks critical empirical testing and has inconsistent utility in assessing androgen status.
March 2025 in “Journal of Cosmetic Dermatology” This study explored the effects of TTFE on male androgenic alopecia, finding that topical application increased hair density, follicular diameter, and scalp hydration while reducing water loss and sebum production in a 12-week trial.
8 citations
,
April 2020 in “Facial Plastic Surgery Clinics of North America” This article discusses the advancements in follicular unit transplantation for hair restoration and reports no clinical results; it emphasizes improved aesthetic outcomes using updated techniques.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” FGF9 from certain cells can trigger new hair growth during wound healing, but humans have fewer of these cells, which may limit hair regrowth.
94 citations
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March 1996 in “Journal of Investigative Dermatology”
October 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” FGF9 from certain T cells helps create new hair follicles during wound healing, which could potentially be used for hair loss treatments.
This study found that injecting growth factor concentrates into the scalp of five patients with androgenic alopecia led to notable improvements in hair density and quality over eight weeks, with patients reporting satisfaction and minimal side effects.
28 citations
,
November 2019 in “Gene” This article reviews the structure and regulation of the ITGB6 gene and discusses its role in integrin αvβ6 expression, with no new experimental results reported.
October 2025 in “Asian Journal of Oral Health and Allied Sciences” In this case report, a 28-year-old male with androgenetic alopecia showed improved hair density and shaft thickness after four monthly sessions of autologous growth factor concentrate injections, with no adverse effects and high patient satisfaction, suggesting the treatment’s promise as a safe and effective option.
January 2007 in “Linchuang pifuke zazhi” In this study, transient transfection of the HIF-1α gene into fibroblasts led to increased VEGF expression, which may enhance the growth and anagen phase of human hair follicles in vitro.
January 2021 in “Hair transplant forum international” This article describes a new T-Fast multi-implanter that potentially reduces operating costs and surgical time by implanting two follicular unit excision grafts simultaneously, which may encourage clinics to adopt this technique.
November 2024 in “International Society of Hair Restoration Surgery” This treatise provides guidelines and suggestions for the safe practice of follicular unit transplantation but reports no new clinical results.
August 2025 in “Biomolecules” This review explores the role of FGF signaling in hair follicle development and highlights its potential as a new therapeutic target for hair loss, which could surpass existing treatments in terms of efficacy and safety.
8 citations
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March 2017 in “Journal of Cosmetic and Laser Therapy” In this study, researchers found that punch grafting was more effective than follicular hair transplantation for treating stable vitiligo; however, follicular hair transplantation was found to be cosmetically preferable for exposed areas like the face due to fewer side effects.
10 citations
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February 2019 in “Journal of cellular physiology” This study found that in yak hair follicles, TGF-β2 significantly contributes to the transition from growth to regression phases via inducing apoptosis, whereas HSP70 appears to inhibit follicle regression by protecting epithelial cells from apoptosis.
January 2016 in “프로그램북(구 초록집)” This study found that growth factor cocktail treatment including FGF9, combined with microneedling, significantly improved hair density in androgenetic alopecia patients compared to treatment with regular GFC or normal saline.
September 2016 in “Journal of dermatological science” This study suggests that FGF18 may enhance radioresistance in telogen hair follicles by inducing cell cycle arrest, potentially serving as a radioprotector against radiation-induced hair follicle damage.
1 citations
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August 2014 in “Asian-Australasian Journal of Animal Sciences” In this study, recombinant goat VEGF164 increased hair growth when applied to the skin of shaved mice.