October 2025 in “Nature Reviews Disease Primers”
August 2025 in “Journal of Cosmetic Dermatology” In this bibliometric analysis, researchers found an increasing focus on innovative treatments for androgenetic alopecia, such as platelet-rich plasma and stem cell therapy, with the United States and China leading in research contributions between 2003 and 2023.
August 2025 in “Drug Design Development and Therapy” This review article examines current drugs for androgenetic alopecia, focusing on their mechanisms and clinical efficacy, noting that while finasteride and minoxidil are commonly approved treatments, new drugs targeting different pathogenic pathways have emerged, offering a broader understanding and reference for AGA treatment options.
August 2025 in “Stem Cell Research & Therapy” This study found that exosomes from human umbilical cord mesenchymal stem cells significantly promoted hair follicle growth and enhanced the transition to the growth phase in a model of androgenetic alopecia, by enriching specific microRNAs that activate key pathways involved in hair regeneration.
July 2025 in “Colloids and Surfaces B Biointerfaces” This study found that the new delivery system HL@Mi enhanced the skin penetration, local bioavailability, and safety of minoxidil, supporting improved hair growth in an androgenetic alopecia animal model.
April 2025 in “Antioxidants” In this study, the researchers found that the water-soluble fraction of Rhus semialata gall extract and its component Penta-O-Galloyl-β-D-Glucose promoted hair growth in human dermal papilla cells, and clinical trials supported these findings, showing improved hair density and appearance compared to placebo.
February 2025 in “Journal of Investigative Dermatology” DMG-Na may help reduce hair loss and improve hair growth, but more research is needed.
January 2025 in “Journal of Controlled Release” This study developed a gas-propelled microneedle patch with puerarin/quercetin nanoparticles, which demonstrated improved hair-regenerating effects in an androgenetic alopecia mouse model by increasing drug delivery, alleviating oxidative stress, promoting angiogenesis, and rejuvenating senescent cells.
December 2024 in “International Journal of Molecular Sciences” This study observed that CXCL12 is highly co-expressed with androgen receptors in human hair follicle cells, and its inhibition via antibodies increased hair length, suggesting a potential treatment strategy for androgenic alopecia.
September 2024 in “International Journal of Molecular Sciences” This study found that hot water extract of Hydrangea serrata leaf and hydrangenol promoted hair growth by enhancing 5α-reductase inhibitory activity, stimulating dermal papilla cell growth, and exhibiting anti-inflammatory and anti-androgenic effects in cell cultures, mice, and human skin organoid models.
May 2024 in “Archives of dermatological research” This study found that Enz_MoriL, a compound derived from Morus alba L., promotes hair follicle cell proliferation by affecting the Wnt/β-catenin pathway and can counteract an alopecia areata-like condition by suppressing the JAK-STAT signaling in human hair follicle dermal papilla cells.
May 2024 in “Nano letters” This study developed a quercetin-encapsulated and polydopamine-integrated nanosystem that reshapes the perifollicular microenvironment, showing potential for rescuing hair follicle viability and regenerating hair follicles in androgenic alopecia by scavenging reactive oxygen species and promoting angiogenesis.
April 2024 in “Nigerian Postgraduate Medical Journal” This review summarizes existing knowledge on androgenetic alopecia, including its epidemiology, pathophysiology, and management, but presents no new research findings.
February 2024 in “Molecules/Molecules online/Molecules annual” In this study, NMN was found to reverse hair follicle atrophy, thinning, and sparsity in mice induced by DHT, and significantly decreased DHT-induced inflammation and oxidative stress in cultured human dermal papilla cells, enhancing hair growth-related markers.
6 citations
,
January 2024 in “Annals of Dermatology” In this study, treatment with recombinant DKK2 was shown to significantly stimulate hair progenitor cell growth and enhance hair shaft elongation in ex vivo human hair follicle cultures by activating the Wnt/ẞ-catenin signaling pathway, suggesting a potential role for DKK2 in promoting hair growth.
October 2023 in “Scientific reports” In this study, researchers found that the synthetic stress hormone dexamethasone caused opposite effects on hair growth-related proteins, reducing SFRP2 and increasing SFRP3, which respectively stimulate and inhibit hair follicle cell proliferation in human dermal papilla cells.
3 citations
,
September 2023 in “Genes” This study analyzed the molecular evolution and functional divergence of the Dkk gene family, finding accelerated evolution in Aves and Reptilia and identifying functional differences that may impact hair follicle development via Wnt signaling inhibition.
May 2023 in “Frontiers in Cell and Developmental Biology” This review outlines the potential of using human pluripotent stem cells for hair follicle bioengineering, detailing current HF morphogenesis and cycling knowledge, various cell sources, and strategies using iPSCs, while discussing the challenges and prospects for therapeutic use in addressing hair loss.
March 2023 in “International Journal of Molecular Sciences” This study found that exosomes from adipose mesenchymal stromal cells, particularly those carrying miR-122-5p, may enhance hair follicle regeneration in androgenic alopecia by targeting the TGF-β/SMAD3 axis.
2 citations
,
January 2023 in “International Journal of Biological Sciences” In this study, miR-221 was identified as a key factor in androgenetic alopecia pathogenesis due to its role in suppressing hair growth by interacting with androgen receptors and affecting related pathways.
10 citations
,
November 2022 in “International Journal of Cosmetic Science” In this laboratory study, Camellia japonica fruit shell extract showed potential to mitigate hair loss by promoting hair cell growth and reducing harmful effects of DHT and oxidative stress.
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.
4 citations
,
July 2022 in “Frontiers in Cell and Developmental Biology” This review discusses the formation and maintenance of hair follicles through dynamic cellular changes and signaling pathways, presenting a comprehensive overview but providing no new experimental findings.
1 citations
,
July 2022 in “British Journal of Dermatology” In this study, researchers identified key transcriptome changes in male androgenetic alopecia hair follicles, suggesting that HIF-1 pathway genes and Wnt pathway inhibitors could be potential therapeutic targets.
25 citations
,
June 2022 in “Developmental cell” In this study, Hedgehog signaling in dermal papilla fibroblasts was found to accelerate hair growth and induce follicle multiplication in mice via the SCUBE3/TGF-β pathway, with some effects observed in human scalp hair follicles.
5 citations
,
April 2022 in “Frontiers in Medicine” This study summarizes the signaling molecules and extracellular components involved in epithelial–mesenchymal interactions, enhancing our understanding of hair follicle regeneration and skin wound healing, but reports no new experimental results.
5 citations
,
March 2022 in “Frontiers in Cell and Developmental Biology” This study found that exosomes derived from bovine colostrum promoted hair growth in mice by activating the Wnt/β-catenin pathway, with effects similar to minoxidil but without adverse effects.
25 citations
,
March 2022 in “International journal of biological macromolecules” This study found that exosomal miR-181a-5p promotes hair follicle growth and development in vitro by activating the Wnt/β-catenin signaling pathway and suppressing hair follicle stem cell apoptosis.
2 citations
,
January 2022 in “Dermatologic Therapy” Natural products like saw palmetto, caffeine, melatonin, marine extracts, rosemary oil, procyanidin, pumpkin seed oil, and cannabidiol oil could potentially treat male hair loss.
18 citations
,
October 2021 in “Journal of Advanced Research” This study demonstrated that a new biomimetic tissue engineering strategy using DP spheroids with vascularization significantly restored the hair-inducing properties of dermal papilla cells compared to traditional 3D cultures.
11 citations
,
October 2021 in “Journal of The European Academy of Dermatology and Venereology” This study found that topical finasteride significantly increased hair count in men with androgenetic alopecia compared to placebo while maintaining similar efficacy to oral finasteride but with lower systemic exposure and a reduced impact on serum DHT levels, potentially minimizing sexual side effects.
1 citations
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October 2021 in “Clinical, Cosmetic and Investigational Dermatology” In this study on cultured human dermal papilla cells, researchers found that niacinamide may enhance hair growth by reducing oxidative stress-induced cell senescence and delaying catagen entry, suggesting potential applications against hair loss.
May 2021 in “Experimental Cell Research” In this study, SFRP1 expression was found to be upregulated in hair follicles from men with androgenetic alopecia, with the transcription factor FOXC1 playing a significant role in its regulation.
17 citations
,
April 2021 in “Molecules/Molecules online/Molecules annual” This study found that linoleic acid from Malva verticillata seed extracts may promote hair follicle cell growth and counteract hair loss signaling in a lab setting.
65 citations
,
July 2020 in “Science Advances” Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.
4 citations
,
July 2020 in “Biochemical and Biophysical Research Communications” This study suggests that EDA-A2 induces apoptosis in hair follicles by increasing DKK-1 expression, implicating EDA2R signaling as a potential therapeutic target for androgenetic alopecia.
86 citations
,
July 2020 in “International Journal of Molecular Sciences” This review discusses the role of Wnt/β-catenin signaling in hair follicle regeneration and highlights recent progress in developing hair loss treatments targeting this pathway, but reports no new clinical results.
17 citations
,
December 2019 in “Stem Cell Research & Therapy” This study found that their system effectively supports the rapid formation of human hair follicle organoids, providing a platform for studying hair regeneration and drug screening.
49 citations
,
July 2019 in “British Journal of Dermatology” This study found that Wnt signalling agonists increase and antagonists decrease in human scalp follicles from telogen to early-anagen, with differences from the mouse model suggesting targeted interventions for hair growth disorders.
26 citations
,
May 2019 in “PLOS ONE” This study observed that hair follicles in hair loss patients had increased levels of Propionibacterium acnes, potentially linked to elevated immune response gene expression in miniaturized hair follicles.
54 citations
,
April 2019 in “Journal of cellular physiology” In this study, miR-218-5p was found to enhance hair shaft growth and positively regulate the Wnt signaling pathway by targeting SFRP2 during skin and hair follicle development.
2 citations
,
January 2019 in “Annals of Dermatology” This preliminary study found that Melandrium firmum extract may promote hair growth and inhibit 5α-reductase, suggesting potential as a candidate for treating androgenetic alopecia.
25 citations
,
September 2018 in “Scientific Reports” This study found that morroniside enhanced hair follicle growth and transition through the Wnt/β-catenin signaling pathway in a mouse model, suggesting its potential as a treatment for hair loss.
25 citations
,
September 2018 in “Molecular Biology of the Cell” This study found that in mice lacking EGFR, elevated Wnt signaling disrupts hair follicle development by affecting cell proliferation and differentiation, revealing a critical role for EGFR in regulating these processes.
17 citations
,
May 2018 in “PeerJ” This study found that VB-1, a vitexin compound, may promote hair follicle growth by enhancing Wnt/β-catenin signaling in human dermal papilla cells in vitro.
39 citations
,
March 2018 in “Archives of Dermatological Research” This review describes the molecular interactions between androgens and Wnt/ß-catenin signaling in androgenetic alopecia but reports no new experimental or clinical findings; the authors discuss potential Wnt/ß-catenin-targeted treatments for hair growth.
72 citations
,
November 2017 in “Journal of developmental biology” This review discusses the role of Hedgehog signaling in epidermal and hair follicle development and its involvement in basal cell carcinoma, without reporting new empirical findings.
15 citations
,
August 2017 in “International Journal of Molecular Medicine” This study reported that Panax ginseng extract significantly inhibited DKK-1-induced catagen-like changes in human hair follicles by promoting cell proliferation and reducing apoptosis, suggesting it may help mitigate hair loss associated with DKK-1.
6 citations
,
April 2017 in “Frontiers in Pharmacology” This study found that several compounds from Yangxue Shengfa capsule may promote hair growth by enhancing cell proliferation in vitro, suggesting potential use in treating androgenetic alopecia.
4 citations
,
January 2017 in “Annals of Dermatology” Tianeptine may help prevent hair loss by promoting hair growth and reducing cell death.
47 citations
,
October 2016 in “Molecular and Cellular Endocrinology” This study found that DKK1 and WNT10b are paracrine factors that modulate hair follicle stem cell differentiation inhibition, contributing to androgenetic alopecia by affecting Wnt signaling in androgen-sensitive dermal papilla cells after dihydrotestosterone stimulation.
45 citations
,
April 2016 in “Journal of Dermatological Science” This study found that the Wnt/β-catenin signaling pathway activates melanocyte stem cells, promoting hair follicle regeneration both in vitro and in vivo.
114 citations
,
January 2016 in “Current topics in developmental biology/Current Topics in Developmental Biology” This review discusses the diverse roles of Frizzled proteins in developmental and homeostatic processes and reports no new experimental findings.
10 citations
,
July 2015 in “Journal of Cosmetic Dermatology” This study found elevated tissue levels of DKK-1 in patients with both androgenetic alopecia and alopecia areata compared to controls, suggesting DKK-1 as a potential therapeutic target for these conditions.
32 citations
,
June 2015 in “PLOS ONE” This study demonstrated that topical oleuropein induced hair growth in mice by activating the Wnt10b/β-catenin signaling pathway and increasing expression of several growth-related genes in skin tissue.
4 citations
,
April 2015 in “Experimental Dermatology” This study found that OVOL1-regulated genes, particularly Fst and SFRP1, significantly affect the hair-inducing capacity of neonatal mouse dermal cells.
53 citations
,
February 2015 in “Journal of Investigative Dermatology” This study found that inactivating CerS4 in mice led to hair follicle stem cell exhaustion and hair loss, indicating its role in regulating hair regeneration through ceramide composition and signaling pathways.
55 citations
,
September 2014 in “Development” In this study, mouse sweat gland development relied on a regulatory sequence initiated by Wnt/β-catenin signaling, and disruptions in Wnt, Eda, or Shh pathways led to distinct developmental failures.
11 citations
,
September 2014 in “International Journal of Molecular Sciences” This study found that mycophenolate may stabilize β-catenin and counteract interferon-γ-induced catagen changes in human dermal papilla cells, which could promote hair growth.
42 citations
,
March 2014 in “European Journal of Pharmacology” This study found that minor ginseng saponin F2 may promote hair growth more effectively than finasteride by enhancing anagen induction and modulating the Wnt signaling pathway in cell and mouse models.
70 citations
,
January 2009 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” This study explored the interaction between androgen and Wnt signaling in dermal papilla cells, targeting the effects of androgen on hair growth reduction.