November 2025 in “Nature Communications” This study used a 3D live imaging system to map cell dynamics in human hair follicles, revealing patterns of cell movement and division that help explain hair fiber extrusion during hair growth.
January 2012 in “Else Kröner-Fresenius Symposia” This symposium reported that DNA damage accumulation in aging stem cells affects genome integrity, highlighting novel mechanisms like Bmi1's role in DNA repair and the involvement of BATF in lymphoid differentiation.
136 citations
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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.
14 citations
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February 2021 in “Experimental Dermatology” This study found that activating CB1 receptor signaling in human hair follicles increased stem cell proliferation while reducing differentiated cell survival, suggesting CB1's role as a survival stimulus for epithelial stem cells.
11 citations
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June 2021 in “Frontiers in Cell and Developmental Biology” This study found that melatonin may enhance goat cashmere growth by activating Wnt signaling and regulating stem cell pluripotency through mechanisms involving NOGGIN and BMP4 pathways.
June 2026 in “Frontiers in Cell and Developmental Biology” This review outlines recent advancements in understanding how micro-RNAs (miRNAs) influence hair regeneration, highlighting their role in stimulating hair growth and potential therapeutic approaches, while also addressing the challenges of clinical translation due to miRNAs' complex roles and delivery issues.
December 2024 in “Tissue and Cell” In this study, researchers developed a method to automatically detect androgen receptor nuclear translocation in dermal papilla cells using fluorescence markers and image analysis, finding that the receptor's nuclear signal peaks about 20 minutes after DHT exposure.
April 2023 in “Journal of Investigative Dermatology” In this study, hair follicle-associated pluripotent stem cells from transgenic mice successfully normalized hair follicles and stimulated hair growth in athymic nude mice, indicating potential for cellular hair-loss therapy.
January 2022 in “Stem cell biology and regenerative medicine” This review explores the use of stem cell-based therapies for hair regeneration, highlighting the potential benefits of stem cell-derived conditioned medium, but stresses the need for more rigorous clinical trials to substantiate its efficacy.
January 2013 in “วารสารเภสัชศาสตร์อีสาน (Isan Journal of Pharmaceutical Sciences, IJPS)” This study found that Carthamus tinctorius floret ethanolic extract stimulated melanogenesis in B16F10 murine melanoma cells without cytotoxicity, suggesting its potential as a treatment for gray hair.
8 citations
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June 2023 in “Acta Biochimica et Biophysica Sinica” In this study, a subcutaneous injection of recombinant RSPO1 was found to activate hair follicle stem cells and enhance hair regeneration in mice by stimulating the Wnt/β-catenin signaling pathway, suggesting its potential as a treatment for hair loss.
1 citations
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December 2020 This study suggests that linoleic acid from Malva verticillata seed extracts may promote hair growth and combat androgenic alopecia by activating Wnt/β-catenin signaling and stimulating dermal papilla cell proliferation in vitro.
September 2021 in “Yearbook of pediatric endocrinology” This study found that in mice, chronic stress elevates corticosterone levels, which suppresses hair growth by keeping hair follicles in a prolonged resting phase.
22 citations
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November 2008 in “International Journal of Dermatology” This study suggests that a mixture of 5‐ALA and iron ion significantly improved hair growth in mice, comparable to minoxidil, without promoting keratinocyte or fibroblast proliferation in vitro.
August 2026 in “Molecular and Cellular Biochemistry” This study found that administering tolerogenic dendritic cell-conditioned medium to dihydrotestosterone-treated mice promoted hair regrowth by modulating the follicular microenvironment, reducing pro-inflammatory cytokines, and activating key signaling pathways, highlighting its potential as a treatment for androgenetic alopecia.
December 2008 in “한국미용학회지” This study found that sandalwood and rose absolute oils significantly accelerated hair regrowth in a shaved mouse model, suggesting their potential for use as hair growth stimulators.
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.
91 citations
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December 2019 in “The EMBO Journal” This study found that the E3 ligases NEDD4 and NEDD4L regulate intestinal stem cell priming by degrading the LGR5 receptor, and their loss leads to increased Wnt activation and crypt proliferation, which in turn accelerates intestinal tumor progression in mice.
26 citations
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July 2021 in “Frontiers in Cell and Developmental Biology” This review discusses mesenchymal stromal cell-conditioned medium for various skin conditions and found improvements in wound healing, hair restoration, and more, but emphasizes the need for further research to validate these findings.
5 citations
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February 2013 in “Dermatology and therapy” This study found that applying Crescina® HFSC lotion for four months effectively increased hair growth and reduced hair loss in males with androgenetic alopecia.
3 citations
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April 2011 in “Expert Review of Dermatology” This review examines a study showing that the balding scalp in men with androgenetic alopecia retains stem cells but lacks certain progenitor cells, suggesting new targets for future therapies; it reports no clinical results.
September 2013 in “Molecular Biology” This study found that Satura Rosta Balm exerts a cytotoxic effect under oxidative stress and may trigger regeneration through autophagic pathways, despite not promoting proliferation or stress resistance in human cells.
7 citations
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July 2017 in “bioRxiv (Cold Spring Harbor Laboratory)” This study's in silico experiments suggest that the average cell proliferation rate can vary with passage number, highlighting the importance of reporting passage numbers for reproducibility in cell culture studies.
2 citations
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December 2010 in “Zhonghua neifenmi daixie zazhi” This study found that autologous nonmyeloablative hematopoietic stem cell transplantation may help some newly-onset type 1 diabetes patients become insulin-free, although gastrointestinal and other mild side effects were observed.
February 2026 in “Chemical Engineering Journal” This study found that a novel nano-engineered platform, PCA, significantly promoted hair regeneration in an androgenetic alopecia mouse model by enhancing angiogenesis and hair follicle stem cell proliferation, showing promise for future hair regrowth treatments.
May 2025 in “Frontiers in Bioengineering and Biotechnology” In this study, the researchers reported that a novel exosome-based treatment, EX104, effectively reversed hair follicle miniaturization and promoted hair growth in a mouse model of androgenetic alopecia, showing results comparable to minoxidil and surpassing it in stimulating capillary growth and follicular proliferation.
December 2022 in “Journal of applied biological chemistry” In this study, Betula platyphylla extract, particularly fraction H3-2, promoted human derma papilla cell proliferation and increased expression of certain growth factors, suggesting potential benefits for hair loss prevention.
37 citations
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June 1996 in “Journal of cellular physiology” This study found that IGF1, retinoic acid, and dexamethasone increase IGFBP-3 production in cultured human dermal papilla cells, potentially inhibiting IGF1 action on hair growth.
35 citations
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April 2009 in “Journal of Neuroscience Research” In this study, HDAC inhibitors promoted the differentiation of rat C6 glioma cells through the production of 5α‐reduced neurosteroids, enhancing serotonin-stimulated BDNF gene expression.
17 citations
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July 2013 in “Amino Acids” This study found that elevated epidermal ODC activity in transgenic mice promotes skin tumor development by recruiting bulge stem cells, rather than through reactive oxygen species generation by polyamine catabolic oxidases.