May 2025 in “ACS Pharmacology & Translational Science” In this study, researchers found that proteins derived from stressed mesenchymal stem cells, stimulated using the root extract of Atalantia monophylla, successfully promoted hair growth and activated hair follicle stem cells in a mouse model of androgenetic alopecia through the Wnt and TGF-β pathways.
April 2025 in “International Journal of Molecular Sciences” This review highlights the limitations of existing hair loss treatments like minoxidil and finasteride and suggests that future therapies may benefit from focusing on antibody and cell-based treatments, which offer targeted and potentially transformative options for managing hair loss disorders.
1 citations
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February 2025 in “International Journal of Molecular Sciences” This study found that an enzymatic digestion method for isolating hair follicle stem cells from scalp specimens yielded 5.3 times more epithelial cells than explant cultures, while supporting comparable cell functionality, offering a promising technique for tissue engineering and regenerative medicine.
November 2024 in “Journal of Cosmetic Dermatology” In this case series, mesenchymal stem cell exosomes were reported to improve hair length, density, pigmentation, and cuticle layer recovery in three patients with acquired trichorrhexis nodosa, suggesting potential as a therapeutic approach for this hair condition.
May 2024 in “Journal of Advanced Research” In this study, researchers found that the interaction between dermal papilla and endothelial cells decreases with age, affecting signaling pathways that promote hair regeneration and angiogenesis in mouse models.
February 2024 in “Plastic and Reconstructive Surgery – Global Open” This systematic review found that both cellular and acellular stem cell-based therapies are safe and able to improve hair regeneration and density in patients with androgenic alopecia, although some results may be temporary.
January 2024 in “Biomedical journal of scientific & technical research” In this research, OssDsign Catalyst™, a new nanosynthetic, silicate-enriched calcium phosphate bone graft substitute, is described as promoting early bone formation through its high silicate content and nanoscale structure, although no specific results are reported in the abstract.
1 citations
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December 2023 in “Animals” In this study, researchers observed that the skin quality and hair follicle development of Rex rabbits improved when slaughtered in winter compared to summer, with findings suggesting seasonal regulation via multiple signaling pathways affecting fur characteristics.
November 2023 in “Journal of Dermatological Science” This study found that ITGA6-positive dermal sheath cup cells, identified by their superior migratory activity, may enhance cell-based therapy for male and female pattern hair loss by promoting cell migration into hair follicles.
September 2023 in “The Journal of Dermatology” In this study, injecting dermal sheath cup cells into affected areas of pattern hair loss improved hair thickness and patient-reported hair appearance in 62.9% of the participants, with better results in women, without serious side effects.
This review highlights the therapeutic potential of hair follicle stem cells in tissue repair and hair regeneration, discussing the molecular mechanisms and the impact of natural compounds on stem cell properties, which may support the development of novel hair loss treatments.
1 citations
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June 2023 in “Journal of Cosmetic Dermatology” This study found that while clinical evidence is limited, early preclinical results suggest exosome treatment may enhance hair growth and warrant further research for therapeutic use in alopecia.
June 2023 in “Plastic and Reconstructive Surgery” In this study, autologous hair follicle mesenchymal stem cell therapy was effective in promoting hair growth in Chinese patients with advanced androgenic alopecia, particularly improving hair shaft diameter in follicles less than 60 µm without obvious side effects.
3 citations
,
June 2023 in “International Journal of Women’s Dermatology” Long-term breastfeeding and preterm labor may worsen postpartum hair loss.
This study reports that mesenchymal stromal cell-derived extracellular vesicle injections led to complete hair regrowth in a patient with persistent chemotherapy-induced alopecia.
February 2023 in “Journal of Advanced Research” This study found that platelet-rich plasma microneedles promoted hair regrowth in mice by facilitating angiogenesis and cell proliferation, showing promise for a minimally invasive hair regeneration treatment.
February 2023 in “International Journal of Molecular Sciences” This study found that exosomes derived from dermal papilla cells can enhance the proliferation of hair follicle stem cells by stimulating the LEF1 pathway, offering insights into hair follicle growth regulation.
1 citations
,
February 2023 in “ACS Biomaterials Science & Engineering” This study found that using a microwell array device to expand hair follicle stem cells in Matrigel significantly increased cell numbers and enhanced hair regeneration in mice.
1 citations
,
January 2023 in “Burns and trauma” This study found that tdDPC-EVs significantly improved wound healing by enhancing angiogenesis through the KLF4/VEGFA axis, offering advantages over traditional DPC-EVs.
This review discusses the role of the Wnt/β-catenin pathway in hair follicle development and how natural products that activate this signaling could be used to treat hair loss, but it reports no new experimental results.
17 citations
,
November 2022 in “Biomedicine & Pharmacotherapy” This study reviewed recent developments in cell therapy for hair loss, finding adipose-derived stem cells and dermal sheath cup cells as promising alternatives to conventional treatments, albeit with varying effectiveness and challenges in trichogenecity and hair growth outcomes.
1 citations
,
November 2022 in “Journal of Dermatological Treatment” This review discusses the use of platelet-rich plasma for various dermatologic conditions but reports inconsistent evidence and a lack of standardized protocols; patients often report high satisfaction despite mixed clinical outcomes.
1 citations
,
October 2022 in “PubMed” This abstract describes androgenetic alopecia, a common dermatological condition, and does not provide new clinical findings.
31 citations
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July 2022 in “Advanced healthcare materials/Advanced Healthcare Materials” In this study, researchers developed a drug-free microneedle patch using chitosan lactate and stem cell-derived exosomes that significantly promotes hair regeneration in animal tests compared to minoxidil, highlighting its potential as a simple and efficient hair loss treatment.
2 citations
,
June 2022 in “Cells” The study found that growing dermal papilla cells in 3D spheroids enhances their activity with hair growth-promoting agents, such as minoxidil and TCQA, compared to traditional 2D cultures.
4 citations
,
March 2022 in “Pharmaceutics” This review explores regenerative treatment options for non-scarring alopecia, with a focus on the potential of mesenchymal stem cells for hair regrowth, but it reports no new clinical results.
6 citations
,
February 2022 in “Journal of immunology research” This study observed that exosomes from adipose-derived stem cells promoted hair growth by enhancing dermal papilla cell proliferation and activating signaling pathways, suggesting potential for treating immune-mediated alopecia.
2 citations
,
January 2022 in “Oxidative Medicine and Cellular Longevity” This study suggests that exosomes from dermal papilla cells can regulate hair follicle stem cell proliferation via the Wnt3a/β-catenin signaling pathway, potentially informing treatment for human hair problems.
11 citations
,
August 2021 in “Stem Cell Research & Therapy” This study reports that a single transplantation of autologous stromal vascular fraction significantly increased hair density and keratin score in androgenic alopecia patients within six months.
11 citations
,
August 2021 in “Aging” This study found that TGF-β2 may enhance collagen expression and spheroid formation in human dermal papilla cells, which could improve their hair inductivity and maintenance.
31 citations
,
August 2021 in “Stem Cell Research & Therapy” This review examines the life cycle, biomarkers, and functions of hair follicle stem cells, emphasizing their role in hair loss therapy and other skin and hair disorders, but reports no new clinical results.
30 citations
,
April 2021 in “Journal of The American Academy of Dermatology” This review explains the evolution and current techniques of follicular unit transplantation for hair restoration, identifying conditions suitable for surgery and offering guidelines for dermatologists to assess candidate suitability, focusing on male and female pattern hair loss.
6 citations
,
February 2021 in “Advances in Clinical and Experimental Medicine” In this study, patients with alopecia areata received a single intradermal injection of Wharton's jelly-derived mesenchymal stem cells, resulting in an average hair regrowth of 67% at treated sites within 24 weeks, demonstrating both efficacy and safety without side effects.
59 citations
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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.
39 citations
,
April 2020 in “Clinical, Cosmetic and Investigational Dermatology” This review discusses the unique characteristics and disorders of Asian hair, emphasizing the need for more comprehensive studies in this area.
8 citations
,
March 2020 in “Aesthetic Plastic Surgery” Finasteride and minoxidil together safely and effectively increase hair growth and density for androgenetic alopecia.
13 citations
,
March 2020 in “Genes” This study found that FGF5-/- rabbits exhibited a significant long hair phenotype by prolonging the anagen phase, suggesting FGF5 acts as a negative regulator of hair growth.
22 citations
,
March 2020 in “Journal of The American Academy of Dermatology” This study found that injecting autologous dermal sheath cup cells significantly increased hair density and diameter in male and female pattern hair loss compared to a placebo for up to 9 months.
32 citations
,
March 2020 in “Drug Design Development and Therapy” This review examines the pharmacology, clinical efficacy, and adverse effects of oral finasteride for female pattern hair loss, and discusses potential new treatments like topical finasteride and dutasteride, but reports no new clinical results.
41 citations
,
January 2020 in “BioMed Research International” This study found that micrografts containing human hair follicle mesenchymal stem cells significantly increased hair count and density compared to placebo over 58 weeks in patients experiencing hair loss.
47 citations
,
December 2019 in “Biomaterials” This study demonstrated effective delivery of CRISPR/Cas9 components to dermal papilla cells in androgenic alopecia animals using ultrasound-activated nanoparticles, resulting in specific gene editing and hair growth recovery.
August 2019 in “DOAJ (DOAJ: Directory of Open Access Journals)” This review discusses the pharmacology, mechanism of action, clinical efficacy, and adverse events of topical minoxidil for hair loss but reports no new clinical findings.
14 citations
,
May 2019 in “Journal of Maxillofacial and Oral Surgery” This article explains the FUE technique for hair transplantation, its associated risks and complications, and outlines a protocol for maxillofacial surgeons, but reports no new clinical results.
136 citations
,
May 2019 in “Cells” This review discusses the advancements in intraoperative stem cell therapies and highlights their potential to improve hair regrowth, but it reports no new clinical results.
13 citations
,
March 2019 in “Journal of Dermatological Treatment” This review explores the inconsistent therapeutic effects and side effects of finasteride for androgenic alopecia, highlighting the need for further research to better predict individual patient responses.
8 citations
,
October 2018 in “Applied sciences” This study found that alginate spheres maintain dermal papilla cells in a dormant state with increased trichogenecity, suggesting potential benefits for cell therapy in androgenic alopecia.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” This review discusses various biologics for hair aging but reports no agent capable of reversing the natural aging process of hair.
5 citations
,
July 2018 in “Experimental Dermatology” In this study, researchers developed a relatively simple punch assay for regenerating hair follicles using mouse or human cells, finding efficient hair formation with mouse cells but low efficiency with human cells on reconstituted human skin.
45 citations
,
May 2018 in “Stem Cell Research & Therapy” In this study, patients receiving adipose-derived stromal vascular cell transplantation for alopecia areata experienced significant hair regeneration, increased growth, and improved hair quality after 3 and 6 months, indicating potential efficacy of this stem cell-based therapy for hair loss.
113 citations
,
November 2017 in “Scientific Reports” This study found that treatment with mesenchymal stem cell extracellular vesicles enhanced hair growth in mice and stimulated dermal papilla cell activity and growth factor production in vitro.
31 citations
,
October 2017 in “Dermatologic Surgery” This review examines controversies in hair transplant surgery, including donor harvesting techniques and the roles of platelet-rich plasma and low-level light therapy, and reports no new clinical results.
30 citations
,
July 2017 in “Stem cells and cloning” This study found that scalp injection of fat enriched with stem cells may offer a promising alternative for treating early genetic alopecia in both men and women.
14 citations
,
May 2017 in “InTech eBooks” This chapter reviews the anatomy and physiology of hair follicles but reports no new research findings or clinical results.
39 citations
,
August 2016 in “Journal of Dermatological Treatment” This study observed that autologous bone marrow derived mononuclear cells and follicular stem cells were both safe and effective for improving resistant alopecia areata and androgenetic alopecia, with no serious adverse events.
23 citations
,
June 2016 in “FEBS Journal” The study found that up-regulating β-catenin signaling in CD 133-positive dermal papilla cells enhanced their ability to promote hair follicle regeneration both in vitro and in vivo.
256 citations
,
October 2013 in “Proceedings of the National Academy of Sciences of the United States of America” This study found that altering cell culture conditions to form three-dimensional papilla spheroids can restore the ability of human dermal papilla cells to induce hair growth in adult skin.
34 citations
,
May 2013 in “Journal of the European Academy of Dermatology and Venereology” In this study, changes in hair cycle phases during pregnancy and the post-partum period showed a rise in telogen rates after delivery, especially among non-breastfeeding women, but no drastic exaggerations were noted.
22 citations
,
October 2012 in “Cell Transplantation” This study found that adding Wnt-10b to the culture medium of dermal papilla cells maintained their ability to induce hair follicles over 100 days in vitro.
68 citations
,
December 2011 in “Journal of Investigative Dermatology” This study reported that a three-dimensional hydrogel culture system supports the growth and maintenance of distinct dermal papilla cell types, crucial for skin reconstitution assays in neonatal mice.
235 citations
,
January 2011 in “Journal of Clinical Investigation” This study found that androgenetic alopecia may involve a defect in the conversion of hair follicle stem cells to progenitor cells, as demonstrated by a reduced presence of progenitor cells in bald scalp samples.
29 citations
,
May 2010 in “Annals of Pharmacotherapy” This review discusses the limited objective evidence for using finasteride in women with alopecia, suggesting that it could be considered for those who don't benefit from minoxidil, but reports no new clinical results.
131 citations
,
July 2009 in “Experimental Dermatology” This review discusses the development and advances in studying trichogenic dermal cells for hair follicle morphogenesis, summarizing methods, bioassays, and molecular markers, but reports no new research findings.
759 citations
,
February 2009 in “Current Biology” This review summarizes fundamental concepts and recent advancements in hair follicle biology, including insights from mouse models into broader molecular and cellular processes relevant to regeneration and development.
149 citations
,
March 2004 in “Journal of Dermatological Science” This study found that minoxidil stimulates hair follicle growth by promoting dermal papilla cell survival and activating ERK and Akt pathways, which leads to increased proliferation and reduced cell death.
854 citations
,
February 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” This review summarizes recent advances in understanding the molecular mechanisms of hair follicle formation and discusses potential future clinical applications for treating hair loss and skin tumors, but it reports no new clinical results.
57 citations
,
November 1998 in “Wound Repair and Regeneration” This research observed that dermal papilla cells have the potential to regenerate hair bulbs under preferred environmental conditions when associated with dermal sheath cells or exposed to specific growth factors.
137 citations
,
May 1984 in “Journal of Investigative Dermatology” Minoxidil increases blood flow in balding scalps, possibly reversing hair loss.
