June 2026 in “Applied Biological Chemistry” This study found that the M5 isolation method for human dermal papilla cells significantly improved attachment efficiency, proliferative capacity, and trichogenic potential, providing an optimized strategy for scalable manufacturing in hair regeneration therapies for conditions like alopecia.
9 citations
,
January 2006 in “Cutaneous and ocular toxicology” This study found that L-cystine, D-pantothenat, and miliacin can enhance the metabolic capacity and proliferation of human keratinocytes, with a combination of these additives potentially providing synergistic benefits in growth media.
April 2017 in “Leukemia research” This study reported that tofacitinib may be a promising treatment for alopecia areata in adolescents, showing significant hair regrowth with mild adverse effects in a retrospective review.
20 citations
,
June 2020 in “Journal of Cosmetic Dermatology” This study found that hypoxia increases the proliferation of dermal papilla cells and highlighted the important role of lactate dehydrogenase in this process.
60 citations
,
March 2021 in “Bioactive Materials” This study found that nanofibrous membranes containing PNA nanogels enhanced wound healing in mice by modulating reactive oxygen species levels, improving cell adhesion and proliferation.
August 2025 in “Animal nutrition” This study found that supplementing with 1.5% α-ketoglutaric acid significantly improved the performance, hair follicle density, and antioxidant capacity in Rex rabbits, potentially by enhancing the Wnt signaling pathway and reducing amino acid catabolism.
6 citations
,
September 2020 in “Advanced Biology” This study found that using the OptoTrkA system to control TrkA activity with blue light enhanced proliferation, migration, and differentiation of hair-follicle-derived stem cells into neuronal and glial cells.
January 2025 in “Biochimica et Biophysica Acta (BBA) - Molecular Cell Research” This study found that EGCG, a compound from green tea, may enhance the proliferation and antioxidant activity of dermal papilla cells by upregulating VEGFA expression, potentially aiding hair follicle growth.
October 2024 in “Cosmetics” In this study, subthermal RF-CRET currents were found to alter key molecular mechanisms in dermal papilla cells, promoting proliferation and survival while enhancing markers associated with hair growth and maintenance, suggesting potential benefits for hair regeneration.
13 citations
,
December 2017 in “Stem cells” This study found that in mice, low-dose irradiation causes stem cells in hair follicles to undergo chromatin alterations, which may eventually lead to long-term functional loss in tissues or organs.
10 citations
,
January 2020 in “Journal of Materials Chemistry B” This study developed a biodegradable nanofibrous biofilm that attracts skin-related cells and accelerates blood vessel formation, potentially improving skin wound healing.
36 citations
,
April 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that canine bulge-derived keratinocytes are highly proliferative and can reconstitute pilosebaceous structures, indicating their potential utility in studying human stem cell biology and hair disorders.
14 citations
,
January 2021 in “Stem cell research & therapy” This study suggests that interfollicular epidermal keratinocytes with stem-like features may serve as an alternative to follicular keratinocytes for hair regeneration by supporting hair follicle morphogenesis in vivo.
2 citations
,
January 2019 in “Methods in molecular biology” This protocol demonstrates that pharmacological inhibition of TGF-β signaling can enhance the proliferative capacity of mouse and human keratinocytes, facilitating their use in skin research and graft preparation.
2 citations
,
January 2016 This study established methods to isolate, culture, and expand rat hair follicle stem cells, which showed good proliferation and could serve as a cell source for tissue-engineered applications.
May 2026 in “Journal of Medicinal Food” This study found that orally administered hydrolyzed keratin peptide promoted hair growth and enhanced cellular proliferation and antioxidant capacity in mice and human cell models, suggesting its potential as a functional food ingredient for hair health.
October 2021 in “Journal of Investigative Dermatology” This study found that reconstructed human epidermis from infant skin is more susceptible to UV damage than that from older children, with notable changes in skin cell characteristics during the early years of life.
24 citations
,
April 2012 in “Developmental Biology” This animal study found that dermal papilla cells in hair follicles of chimeric mice can originate from various fibroblasts in the skin, challenging assumptions about their specific lineage.
January 2024 in “International Journal of Trichology” In this laboratory study, researchers found that human platelet-rich plasma (hPRP) significantly improved the proliferation and hair-inductive capacity of human dermal papilla cells (hDPCs) compared to fetal bovine serum, suggesting hPRP as a potential substitute for FBS in expanding hDPCs for clinical hair regeneration therapies.
4 citations
,
May 2022 in “Journal of Drug Delivery Science and Technology” This research observed that nanoliposomes delivering a combination of bioactive peptides significantly promoted hair growth in vitro and in vivo by enhancing the proliferation and function of hair growth-targeted cells in C57BL/6 mice, suggesting a promising approach for treating androgenetic alopecia.
July 2024 in “International Journal of Molecular Sciences” In this ex vivo and in vitro study, researchers found that capacitive resistive electrical transfer therapy increased cell proliferation and reduced cell death in hair follicles from patients with androgenic alopecia, suggesting potential benefits for alopecia treatment.
June 2022 in “Journal of Dermatology Research” This study found that 448-kHz Capacitive-Resistive Electrothermal Therapy led to a significant increase in hair density in women with Female Pattern Hair Loss, likely due to stimulated proliferation of dermal papilla cells.
13 citations
,
December 2011 in “Korean Journal of Food Science and Technology” This study suggests that black soybean extract promotes hair growth and improves scalp health by enhancing blood circulation and cellular proliferation, although further human studies are needed to verify these effects.
65 citations
,
November 2012 in “Tissue Engineering Part B-reviews” This review discusses the biology of hair follicle stem cells and highlights their potential for applications in regenerative medicine, drug, and gene delivery, but reports no new clinical results.
4 citations
,
May 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” This study reported that ELL is crucial for maintaining the proliferative capacity of the basal layer in human epidermal keratinocytes by stabilizing RNA polymerase II at the transcription start site.
19 citations
,
August 2008 in “Journal of The European Academy of Dermatology and Venereology” In this study, researchers observed that in advanced androgenetic alopecia, increased DNA damage in the frontal bald area may lead to cell apoptosis due to impaired repair capacity.
37 citations
,
October 2009 in “Veterinary Dermatology” This study identified and isolated highly proliferative canine keratinocytes in vitro, finding that follicular keratinocytes showed distinct proliferative capacity and marker expression indicative of putative epithelial stem cells.
August 2026 in “Non-coding RNA Research” The study reports that vitamin E improves hair-follicle growth and dermal papilla cell proliferation in vitro by modulating the lncRNA2919/STAT1/SHH axis in Angora rabbits, enhancing cellular antioxidant capacity.
47 citations
,
December 2021 in “Applied Sciences” This study demonstrated that Stellaria media extract may enhance wound healing in vitro by promoting cell migration and proliferation, with notable antioxidant and antimicrobial properties.
8 citations
,
April 1990 in “PubMed” This study suggests that high concentrations of minoxidil may prolong the proliferative capacity of keratinocytes, which may partially explain its positive effect on hair growth.