25 citations
,
June 2021 in “Developmental Cell” In this study, researchers found that deleting Caspase-9 in hair follicle stem cells delayed apoptosis, leading to accelerated wound repair and new hair follicle regeneration by maintaining apoptotic cells as signaling centers.
5 citations
,
July 2022 in “Genes” This study found that EGR1 promotes the proliferation of dermal papilla cells, suggesting its close association with hair follicle growth and development.
1 citations
,
May 2022 in “Frontiers in medicine” This study found that topical application of metformin significantly enhanced skin regeneration in mechanically stretched skin in rats, likely by boosting the proliferation of skin-derived stem cells.
56 citations
,
February 2013 in “International Journal of Molecular Medicine” This study found that human hair follicle-derived mesenchymal stem cells maintained their proliferation and differentiation potential when cultured with acidic fibroblast growth factor, basic fibroblast growth factor, or epidermal growth factor.
11 citations
,
May 2015 in “Stem Cells Translational Medicine” This study found that megestrol acetate increases the proliferation, migration, and adipogenic differentiation of adipose-derived stem cells through glucocorticoid receptor phosphorylation.
This study identified a proliferative intermediate transcriptional state associated with the transition from secondary hair germ cells to lower hair follicle-associated cells during early hair follicle regeneration in mice.
December 2025 in “Animals” In this study on fine-wool sheep, researchers found that overexpressing the TGFBR1 gene decreased proliferation of dermal papilla cells by influencing multiple signaling pathways, suggesting TGFBR1 as a negative regulator in hair follicle development.
23 citations
,
June 2012 in “Molecular Biology Reports” This study found that human outer root sheath cells express VEGF receptor-2, and exogenous VEGF165 significantly stimulates their proliferation through activation of the ERK signaling pathway.
30 citations
,
July 1998 in “British Journal of Dermatology” This study found that in a rat skin model, fat cells inhibited the proliferation of organoid hair follicle cells and fibroblasts but may have accelerated hair follicle cell differentiation.
90 citations
,
May 2018 in “Molecular Cell” Caspase-3 helps control cell growth and organ size by activating YAP.
39 citations
,
May 2010 in “Stem Cells” This study reported that disrupting ephrin-Eph interactions in adult mouse skin doubled cell proliferation in the hair follicle and epidermis, suggesting ephrins as negative regulators of proliferation.
29 citations
,
December 2016 in “The EMBO Journal” This study found that the transcription factor Gata6 plays a crucial role in adult mouse hair follicle regeneration by promoting the renewal and preventing DNA damage of rapidly proliferating progenitor cells.
14 citations
,
November 2019 in “Mediators of inflammation” This study found that adipose-derived stem cell-conditioned media improved skin flap survival following ischemia/reperfusion injury in mice by increasing cell proliferation and the number of hair follicles, mediated by IL-6.
13 citations
,
September 2020 in “International Journal of Molecular Sciences” This study found that combining platelet-rich plasma therapy with minoxidil was more effective in treating androgenetic alopecia in men than either treatment alone.
January 2024 in “Animals” This study suggests that the transcription factors SP1 and KROX20 regulate CUX1 gene's effect on the proliferation of ovine dermal papilla cells in vitro.
18 citations
,
January 2013 in “Journal of Investigative Dermatology” WIF1 helps keep skin stem cells inactive to prevent excessive cell growth.
1 citations
,
October 2001 in “Journal of Wood Science” This study found that extracts from the fungus YL161, Agaricus blazei, and the bark of Camptotheca cuminata promoted dermal papilla cell growth more effectively than pentadecanoic acid, suggesting potential for stimulating hair growth.
11 citations
,
May 2008 in “British journal of dermatology/British journal of dermatology, Supplement” This case report describes a 32-year-old man who developed SCC of the common bile duct a year after receiving treatment for a malignant proliferating trichilemmal tumour on the scalp.
2 citations
,
October 2021 in “Experimental Cell Research” This study found that injectable platelet-rich fibrin (i-PRF) enhances hair follicle regeneration in vitro by promoting human dermal papilla cell proliferation, migration, and trichogenic inductivity, with varying effects depending on concentration.
1 citations
,
November 2023 in “International Journal of Molecular Sciences” This study observed that SOX18 promotes the proliferation of dermal papilla cells in Hu sheep by activating the Wnt/β-Catenin signaling pathway, suggesting its key role in wool growth.
28 citations
,
January 2003 in “Skin pharmacology and physiology” This study found that melatonin's effect on HaCaT keratinocyte proliferation varied with concentration and incubation time, with no cytotoxic effects observed at suitable concentrations for skin treatment.
January 2019 in “Durham e-Theses (Durham University)” This study found that JNK plays a dominant role in hair follicle matrix density-dependent proliferation and differentiation, suggesting that collagen bundling affects keratinocyte dynamics.
January 2022 in “Biomedical Reports” This study suggests that inaudible sound at 30 kHz may promote hair growth and inhibit hair loss signals in human dermal papilla cells, indicating potential as a new treatment for androgenic alopecia.
24 citations
,
February 2015 in “Experimental Cell Research” This study found that overexpression of the transcription factor NFIC may enhance the proliferation and differentiation of stem cells from the apical papilla, suggesting its potential role in dentin/root regeneration.
4 citations
,
August 2022 in “Cells” This study found that the lncRNA lncRNA2919 is involved in hair follicle regeneration by downregulating growth-related genes, inhibiting cell proliferation, and promoting apoptosis in rabbit dermal papilla cells.
3 citations
,
December 2024 in “Journal of Animal Physiology and Animal Nutrition” In this study, researchers found that reducing FGF20 expression in dermal papilla cells of fine-wool sheep impedes the growth and differentiation of hair follicle stem cells, providing insights into wool trait improvement and regenerative medicine applications.
1 citations
,
October 2025 in “PLoS ONE” In this study, researchers found that overexpression of LncRNA RP11-818O24.3 in hair follicle stem cells promotes their proliferation, self-renewal, and differentiation while inhibiting apoptosis through the FGF2-mediated PI3K/AKT signaling pathway, suggesting potential therapeutic applications for hair loss treatment.
1 citations
,
December 2019 in “Journal of medicine and life science” This article discusses the role of dermal papilla and dermal sheath cells in the hair cycle and reviews finasteride and minoxidil's mechanisms in promoting hair growth, but presents no new clinical findings.
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.
October 2024 in “Journal of Cosmetic Dermatology” This study found that downregulating miR-30a-5p levels inhibits apoptosis and promotes proliferation in hair follicle stem cells, which is associated with the activation of the Wnt/β-catenin signaling pathway.