May 2023 in “Clinical, Cosmetic and Investigational Dermatology” In this study, human dermal fibroblast-conditioned medium was found to contain numerous proteins involved in wound repair and hair regeneration, with identified proteins forming interaction networks linked to key signaling pathways like epidermal growth factor receptor and transforming growth factor-β.
July 2025 in “Scientific Reports” This study found that dermal papilla cell-conditioned medium can protect against UV-induced skin aging in a mouse model by modulating ferroptosis pathways, highlighting its potential for treating oxidative stress-related skin conditions.
39 citations
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June 2017 in “Scientific Reports” Different lab conditions and light treatment methods change how human skin cells respond to light therapy.
March 2025 in “Regenerative Therapy” This study suggests that SACM may enhance hair growth more effectively than non-treated ACM, highlighting the potential of S. maxima as a promising agent for use in pharmaceutical and cosmeceutical industries.
April 2021 in “Journal of Investigative Dermatology” New inhibitors may help treat hair loss by promoting fat cell growth in the skin.
166 citations
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April 2019 in “International Journal of Molecular Sciences” The researchers reported that they predicted associations between certain components of MSC-conditioned medium and its ability to stimulate cell migration in vitro, identifying factors affecting its biological activity.
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.
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.
1 citations
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July 2023 in “International Journal of Molecular Sciences” This study found that a hypoxic microenvironment enhanced the proliferation and pluripotency of adipose mesenchymal stem cells, promoting hair follicle formation and upregulating specific growth factors in Arbas Cashmere goats.
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.
December 2015 in “Vascular Pharmacology” Hair papilla cells are crucial for blood vessel development in hair follicles, affecting hair growth and loss.
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.
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.
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.
6 citations
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October 1989 in “PubMed” This study describes optimized methods for culturing hair cells from 4-day-old C3H mice, leading to successful maintenance of hair-specific cytoskeletal protein expression under the experimental conditions.
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.
9 citations
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August 2015 in “Tissue Engineering and Regenerative Medicine” In this study, human dermal stem/progenitor cell-derived conditioned medium was found to promote hair regrowth in mice, possibly through effects on the Wnt/β-catenin pathway.
5 citations
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September 2019 in “ACS Applied Bio Materials” This study developed a composite hydrogel that delivered multiple proteins, enhancing skin wound healing by accelerating closure and promoting hair follicle regeneration.
33 citations
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September 2019 in “Dermatologic Surgery” This study found that intradermal administration of adipose-derived stem cell–conditioned medium significantly increased hair density and dermal thickness, suggesting potential regenerative effects on both hair follicles and the interfollicular scalp in patients with alopecia.
19 citations
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May 2020 in “Cells” This study found that 5% primed conditioned medium from human umbilical cord blood-derived mesenchymal stromal cells significantly improved hair density, thickness, and growth rate in patients with androgenetic alopecia.
13 citations
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June 2020 in “Stem Cells International” In this study using a mouse model, ECM/SVF-CM, derived from adipose-derived stem cells, was observed to stimulate hair growth more effectively than SVF-CM by promoting cell proliferation, neovascularization, and anagen induction, which may support its potential as an improved treatment for hair loss.
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.
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.
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.
9 citations
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February 2014 in “Tissue Engineering and Regenerative Medicine” This study found that conditioned media from human amniotic fluid-derived stem cells may enhance skin regeneration by promoting cell proliferation and migration, and by modulating gene expressions altered by UV irradiation.
7 citations
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March 2021 in “Molecular Medicine Reports” This study demonstrated that culturing high-passage dermal papilla cells with specific supplemented conditioned media may preserve their hair-inducing abilities, suggesting potential for reconstructing new hair follicles in vivo.
6 citations
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October 2016 in “Journal of Cellular Physiology” This study found that human dermal fibroblasts can promote the viability and proliferation of microvascular endothelial cells in vitro, revealing important interactions at play in hair growth.
26 citations
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March 2018 in “Dermatology and Therapy” This study found that conditioned media from epidermal progenitor cells improved skin aging signs in a clinical trial and protected fibroblasts from oxidative stress in vitro.
23 citations
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June 2015 in “Journal of Tissue Engineering and Regenerative Medicine” This study demonstrated that a 3D air–liquid culture system using Wnt-CM-treated cells can induce hair regeneration in nude mice and may facilitate large-scale preparation for hair loss treatment.
6 citations
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April 2020 in “Applied sciences” This study reports that mesenchymal stem cell-conditioned medium promoted dermal cell migration and proliferation, enhancing wound healing but not direct hair growth, in vitro and in adult mouse models.