17 citations
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February 2015 in “International Journal of Molecular Sciences” This study found that keratinocyte stem/progenitor cell-conditioned medium significantly enhanced hair growth in mice and increased the proliferation of human hair follicle cells.
February 2026 in “Human Cell” This study found that factors released by mesenchymal stromal cells can enhance the proliferation and migration of keratinocytes in vitro, which may contribute to improved understanding of their role in wound healing and potential applications in dermal regeneration therapies.
November 2022 in “Journal of Investigative Dermatology” This study found that DermaCult™ Keratinocyte Expansion Medium allows for significantly extended growth of human epidermal keratinocytes while maintaining their differentiation potential.
3 citations
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June 2022 in “Cells” This study reports improved methods for harvesting and processing keratinocytes from plucked human hair, enhancing their utility in generating donor-specific induced pluripotent stem cells more efficiently and reliably.
March 2024 in “Stem cell research & therapy” This study found that conditioned medium from human dental pulp stem cells (particularly under hypoxic conditions) improved keratinocyte survival and hair regrowth in a chemotherapy-induced alopecia mouse model and did not promote tumor growth, suggesting potential for safe therapeutic use.
84 citations
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August 2013 in “Journal of Cellular Biochemistry” This study found that stem cells from the human umbilical cord's Wharton's jelly may significantly enhance healing in excisional and diabetic wounds compared to controls.
January 2010 in “Seoul National University Open Repository (Seoul National University)” This review discusses the growth factors produced by adipose tissue-derived stem cells that are associated with hair growth stimulation and reports no new clinical findings.
December 2015 in “Vascular Pharmacology” Hair papilla cells are crucial for blood vessel development in hair follicles, affecting hair growth and loss.
36 citations
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January 2017 in “Stem Cells International” This study found that Wnt7a-containing conditioned medium from UC-MSCs can accelerate wound healing and promote hair follicle regeneration by enhancing specific cellular functions in the wound microenvironment.
This study indicates that CD4 protein may have a functional role in basal cell-like keratinocytes through TCR/CD3-independent signaling, affecting their proliferation, differentiation, and migration.
9 citations
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September 2018 in “Journal of Photochemistry and Photobiology B-biology” This study demonstrated that combining l-cystine and thiamin in a formulation may protect against UV-induced damage in growth-limited human epidermal keratinocytes in vitro.
July 2024 in “Journal of Investigative Dermatology” A single medium, PRIME AIRLIFT, supports better human hair follicle formation in grafts.
June 2021 in “Experimental and Therapeutic Medicine” In this study, mouse hair follicle stem cells cultured in mouse embryonic fibroblast/keratinocyte serum-free medium exhibited the highest proliferative ability and stronger osteogenic differentiation potential, similar to hair follicle dermal papilla cells.
134 citations
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January 2010 in “Biomedical research” This study found that subcutaneous administration of conditioned medium from adipose-derived stem cells promoted hair growth in mice, and hypoxia enhanced this effect by altering growth factor secretion.
January 2026 in “Dermatologic Therapy” This study found that treatment with human foreskin fibroblast conditioned medium improved both objective measures like hair density and subjective satisfaction in patients with androgenetic alopecia.
January 2008 in “Anhui nongye kexue” In this study, researchers established a model using Mongolia Sheep hair follicles to investigate growth mechanisms, noting that adding insulin and hydrocortisone helped maintain follicle shape during extended culture.
131 citations
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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.
43 citations
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March 2009 in “Journal of Cellular and Molecular Medicine” This study suggests that TGF-β 2 plays a critical role in hair follicle morphogenesis and may enhance the effectiveness of future cell therapies for hair regrowth using expanded dermal papilla cells.
57 citations
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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.
81 citations
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December 2009 in “Journal of Dermatological Science” This review discusses the paracrine effects of adipose tissue-derived stem cells on surrounding cells and tissues, noting their potential therapeutic benefits, but reports no new clinical results.
30 citations
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November 2020 in “Journal of Advanced Research” This study found that conditioned medium from keratinocytes improved the hair-inductive properties of cultured dermal papilla cells, suggesting potential for enhancing hair follicle regeneration.
December 2015 in “Vascular Pharmacology” Different cells affect hair follicle blood vessels, endothelial cells react differently to inflammation and oxidized fats, and prasugrel better protects heart vessels during a procedure than clopidogrel.
August 1994 in “Toxicology in Vitro” This study standardized a reproducible three-dimensional human skin model for testing skin tumor promoters, using methods that do not require human skin sourcing.
4 citations
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June 2022 in “Journal of Cosmetic Dermatology” This study suggests that dermal fibroblast-conditioned medium containing multi-peptide factors may stimulate hair growth by enhancing growth factor expression and β-catenin regulation in hair follicle cells.
January 2018 in “Open access journal of pharmaceutical research” In this study, researchers found that Biofield Energy Healing Treatment significantly increased the proliferation of human hair follicle dermal papilla cells in vitro, suggesting potential hair growth benefits.
42 citations
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February 2017 in “Scientific Reports” In this study, researchers differentiated induced pluripotent stem cells into cells with dermal papilla-like properties, demonstrating their potential role in hair follicle bioengineering and drug testing for hair growth.
8 citations
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February 2025 in “Frontiers in Medicine” This study suggests that using growth factors and ADSC-conditioned medium can enhance keratinocyte viability and migration in epidermal transplantation, potentially improving chronic wound healing rates with a patient-dependent effect.
3 citations
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January 2005 in “Biological & Pharmaceutical Bulletin” This study reports that the peptide GPIGS, found in Bacillus sp. M18 conditioned medium, may promote hair growth through the PI-3K/Akt pathway and accelerate hair regrowth in mice.
9 citations
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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.
39 citations
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January 1997 in “Pharmacology & toxicology” This study found that human keratinocytes' sensitivity and response to vitamin D3 analogues vary based on cell density, serum availability, and calcium concentration.