November 2025 in “Biomolecules” This study found that overexpressing FGF22 in dermal papilla cells enhanced hair follicle stem cell proliferation and viability, while its knockout reduced these attributes, indicating its role in hair follicle regeneration.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that HPV8-induced actinic keratoses may mechanistically involve Lrig1+ hair follicle keratinocyte stem cells, with the E6 gene promoting downstream STAT3 activity in a mouse model.
10 citations
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May 2019 in “BMC Complementary and Alternative Medicine” This study found that Bacillus/Trapa japonica fruit ferment filtrate extracts enhanced human hair follicle dermal papilla cell proliferation through the Akt/ERK/GSK-3β signaling pathway, suggesting potential benefits for alopecia treatment.
2 citations
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January 2020 in “BioMed Research International” This study found that Phaeodactylum tricornutum extract enhanced hair follicle cell proliferation, indicated by increased keratin and ERK1/2 signaling, suggesting its potential for hair care applications.
2 citations
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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.
January 2017 in “Seoul National University Open Repository (Seoul National University)” This study found that the N-terminal fragment of AIMP1 enhances hair growth and proliferation of hair follicle stem cells in mice, suggesting its potential as a therapeutic peptide for hair loss treatment.
88 citations
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December 2003 in “Journal of Biological Chemistry” This study identified epiprofin as a highly tissue-specific nuclear protein that promotes cell proliferation, mainly expressed in the developing teeth, hair follicles, and limbs of embryonic mice.
7 citations
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September 2022 in “International journal of molecular sciences” This study identified and analyzed numerous lncRNAs, miRNAs, and mRNAs involved in hair follicle development in cashmere goats, highlighting key regulatory pathways and suggesting roles for specific RNAs in enhancing hair follicle cell proliferation.
6 citations
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September 2017 in “Experimental and Therapeutic Medicine” This study found that two short peptides derived from pigment epithelium-derived factor significantly accelerated full-thickness skin wound healing in mice through mechanisms that may involve increased cell proliferation and stem cell mobilization.
January 2018 in “Bradford Scholars (University of Bradford)” This study found that SWI/SNF complexes, especially the ATPase BRG1, are crucial for keratinocyte migration in human wound healing but do not affect hair growth in short-term hair follicle cultures.
April 2026 in “Chinese Chemical Letters”
27 citations
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April 2018 in “Scientific Reports” This study found that in psoriasis patients, the K17 protein probably functions as an autoantigen, with the HLA-Cw*06:02 risk genotype strongly linked to the T cell response size.
3 citations
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April 2014 in “Journal of Dietary Supplements” This study found that CARI ONE, a herbal mixture, promotes hair growth in mice by inducing the transition from telogen to anagen phase and enhancing hair follicle development, compared to control and minoxidil treatments.
January 2024 in “Biological & pharmaceutical bulletin” In this study, Panax ginseng extract and its ginsenosides were found to stimulate the proliferation of hair-related cells and promote the transition from the telogen to the anagen phase, enhancing hair-shaft growth by suppressing BMP4 expression in human dermal papilla cells.
January 2024 in “Archives of Biological Sciences (Beograd)” This study found that AP collagen peptides can promote hair growth by supporting the health of hair follicle cells, as they stimulate cell proliferation, counteract apoptosis, and enhance antioxidant enzyme expression, suggesting potential as a treatment for hair loss.
1 citations
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January 2017 in “Deleted Journal” This study found that Orthosiphon stamineus extract significantly stimulated dermal papilla cell proliferation and enhanced hair growth in an ex vivo model of androgenic alopecia compared to vehicle-treated controls.
December 2020 in “Research Square (Research Square)” In this study, exosome-mimetic nanovesicles derived from ReNcell VM cells promoted hair growth in mice by enhancing dermal papilla cell proliferation and activating the Wnt/β-catenin signaling pathway.
August 2020 in “Research Square (Research Square)” This study found that nanovesicles derived from ReNcell VM cells promoted hair growth in mice by activating the Wnt/β-catenin signaling pathway, suggesting they may serve as an alternative to extracellular vesicles for hair growth therapy.
December 2024 in “Journal of Health and Beauty” This study found that the Dongeui Hot Spring Water complex (Dongui Hot Spring Water CPX), containing sea slug extract and panthenol, demonstrated higher antioxidant activity and cell proliferation, suggesting potential benefits for preventing hair loss and improving scalp health.
December 2024 in “Journal of Health and Beauty” In laboratory conditions, this study found that the Dongeui Hot Spring Water Complex, containing sea slug extract, demonstrated enhanced antioxidant activity and promoted hair papilla cell proliferation compared to a control, suggesting potential benefits for scalp health and hair loss prevention.
September 2019 in “Journal of Investigative Dermatology” This study found that apple stem cell extract may selectively influence hair follicle bulge stem cell biology without cytotoxic effects in an ex vivo human hair follicle organ culture.
September 2025 in “Digital Commons - RU (Rockefeller University)” This study found that when NFIB was removed in adult mouse hair follicle stem cells, it did not affect their maintenance but unexpectedly led to increased proliferation and differentiation of nearby melanocyte stem cells.
28 citations
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that cultured papilla cells can induce follicle formation and hair growth when combined with different epidermal and dermal cells, highlighting their powerful inductive properties and potential for dermatological applications.
21 citations
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May 2018 in “Journal of Cosmetic Dermatology” This study found that costunolide promotes hair growth in both lab-cultured human hair follicle cells and in live mice by modulating growth factor pathways.
October 2021 in “Research Square (Research Square)” This study found that in hairpoor mice, disruptions in hair follicle stem cell quiescence and signaling pathways lead to disturbed hair cycles, which may help explain alopecia development in Marie-Unna Hypotrichosis patients.
414 citations
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August 2005 in “Nature” In this study, researchers discovered that activating TERT in mouse skin epithelium triggers dormant hair follicle stem cells, leading to rapid hair growth, through a pathway independent of telomere extension.
17 citations
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May 2021 in “Journal of Cell Science” In this study, the researchers discovered that specific polyamine depletion enhances stemness in hair follicle stem cells through a mechanism independent of mRNA translation.
13 citations
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September 2019 in “EBioMedicine” This study found that Secretory Phospholipase A2-IIA (sPLA2-IIA) promotes proliferation through JNK/c-Jun signaling, distinctively affecting normal stem cells and cancer cells, suggesting it as a potential target for cancer treatment.
6 citations
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April 2022 in “Journal of diabetes research” This study found that type II diabetes inhibited hair follicle regeneration and skin cell proliferation in mice, potentially explaining reduced skin renewal and chronic wound formation in diabetes.