March 2026 in “Journal of Multidisciplinary Applied Natural Science” This study reported that Cosmos caudatus extract alone may therapeutically modulate the AR–FGF-2 axis in a BPH rat model, comparable to finasteride, but combining them disrupted pathway regulation, increasing TGF-β levels.
February 2026 in “SHILAP Revista de lepidopterología” This study demonstrated that engineered exosomes loaded with growth factors, EGF and FGF, could successfully repair the hair follicle microenvironment in an androgenetic alopecia mouse model, enhancing hair growth without causing adverse immune reactions or toxicity.
February 2026 in “International Journal of Nanomedicine” This study demonstrated that engineered exosomes carrying EGF and FGF restored hair density and follicle integrity in an androgenetic alopecia mouse model by reactivating hair follicle growth factors, offering a novel therapeutic approach without immunogenic reactions or systemic toxicity.
January 2026 in “Preprints.org” In this study, researchers identified four novel variants in the FGF5 gene associated with the long-haired phenotype in dogs, suggesting additional unexplored genetic factors contribute to this trait beyond the known Lh1-Lh5 alleles.
November 2025 in “Biomolecules” This study found that overexpressing FGF22 in dermal papilla cells enhanced hair follicle stem cell proliferation and viability, while its knockout reduced these attributes, indicating its role in hair follicle regeneration.
This study identified the FGF5:c.578C>T variant as linked to long hair in Akitas in Japan and suggests that genetic testing could help improve their breeding practices and welfare.
In this study, researchers found that Fgf21 knockout mice exhibited delayed hair follicle cycling compared to wild-type mice, potentially due to altered miRNA interactions affecting Vezf1 and Map3k1 expression, providing insights into the molecular regulation of hair growth.
March 2025 in “Molecules” This study found that Kyoh®, a flavonol-rich extract from rocket leaves, may promote hair growth by enhancing the expression of hair growth-related genes in laboratory conditions.
In this study, researchers used the CRISPR/Cas9 system to edit the FGF5 gene in Dorper sheep, observing increased density and finer wool, along with changes in cortisol levels and antioxidant enzyme activity linked to hair follicle development.
This study found that FGF5 alternative spliceosomes inhibit dermal papilla cell proliferation and regulate hair follicle growth-related gene expression, impacting hair follicle development in rabbits.
July 2023 in “Indian Journal of Animal Health” This study found that fibroblast growth factor 5 may enhance Cashmere goat hair growth by altering the expression of specific genes related to keratin and keratin-associated proteins.
In this study, researchers found that FGF9 plays a significant role in sheep wool growth by accelerating the proliferation and cell cycle of dermal papilla cells, potentially through regulation of the Wnt/β-catenin signaling pathway.
January 2022 in “SSRN Electronic Journal” This study found that lncRNA RP11-818024.3 transfection promoted hair growth in AGA mice and increased cellular proliferation in vitro, potentially involving the FGF2 and PI3K-Akt pathways.
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.
August 2019 in “Research Square (Research Square)” This study explored how long non-coding RNA mediates the effects of FGF5 on the hair follicle development and villus growth of Liaoning cashmere goats.
April 2019 in “Journal of Investigative Dermatology” This study found that, in mice, different precursor populations give rise to Merkel cells in hairy versus glabrous skin, but their formation is controlled by a common genetic program involving FGFR2 signaling.
This study found that fibroblast growth factor 20 (Fgf20) orchestrates the movement and behavior of dermal fibroblasts, directing their formation into dermal condensates during hair follicle development in mice.
April 2018 in “Journal of Investigative Dermatology” This study identified the osteopontin-derived peptide, FOL-005, as a potential inhibitor of unwanted human hair growth by promoting catagen development without reducing stem cell numbers or showing toxicity.
April 2018 in “Journal of Investigative Dermatology” This study found that Fgf20 signaling facilitates fibroblast migration and influences dermal condensate cell development during hair follicle morphogenesis by supporting cellular activities such as cell cycle exit and specific cell shape adoption.
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.
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.
June 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” A substance called FGF9 from certain immune cells can trigger new hair growth during wound healing in mice, but humans may not have the same response due to fewer of these cells.
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.
August 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This study found that FGF18 is crucial for regulating hair follicle rest and growth phases, as its absence in mice leads to a shorter resting phase and rapid hair cycling.
This study observed that melatonin significantly increases FGF5 expression in cashmere goat skin, which may influence hair growth-related gene interactions differently than in other animals.
January 2010 in “프로그램북(구 초록집)” Fgf9 helps create new hair follicles after injury through skin T cells.
EGF and FGF signaling stops hair follicle development in mice.
This study reported the genotypic and allelic frequencies of seven SNPs associated with androgenetic alopecia in Mexican individuals, highlighting significant differences in one SNP between cases and controls in Western Mexico.
January 2020 in “Global dermatology” This study investigated the effects of GFC with FGF5s and NMN at a depth of 0.8 mm using a microneedle for treating hair loss, but the abstract provides no measurable results.
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.