May 2025 in “Journal of Food and Nutrition Research” In this study, black wolfberry ferment was found to promote hair regrowth in mice with androgenetic alopecia by increasing hair weight, follicle count, and skin thickness, potentially through PI3K/AKT, NF-kappa B, and MAPK signaling pathways.
April 2024 in “Communications biology” The researchers reported that disrupting ATRA signaling by deleting RDHE genes in the hair follicle led to altered hair follicle cycles, composition, and gene expression, indicating RDHEs' role in hair follicle signaling coordination.
June 2022 in “Research Square (Research Square)” This study suggests that hair follicle mesenchymal stem cells may alleviate small intestinal ischaemia-reperfusion injury in rats by promoting angiogenesis, reducing apoptosis, and protecting intestinal mucosal function.
November 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that disrupted cholesterol homeostasis impairs hair regrowth in individuals with primary cicatricial alopecia by damaging hair follicle stem cells, highlighting the importance of cholesterol in maintaining stem cell function and hair follicle integrity.
This study found that activating Toll-like receptor 3 signaling in periodontal ligament stem cells may enhance their immunomodulatory properties, suggesting potential implications for future stem cell therapy applications.
24 citations
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April 2020 in “Cells” This study in cashmere goats found that DNA methylation levels were lower during hair follicle differentiation compared to induction, suggesting it plays a critical role in gene regulation for hair morphogenesis.
12 citations
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June 2024 in “Nutrients” In this review, researchers highlighted that natural polyphenolics like flavonoids and resveratrol may help enhance testosterone production in aging males by boosting the expression of the Star gene in Leydig cells, potentially preventing age-related degenerative conditions linked to testosterone insufficiency.
1 citations
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December 2023 in “Scientific reports” This study investigated the use of 3D cell culture technology to explore hair follicle regeneration, examining the impact of the 3D cellular environment on hair follicle morphogenesis and the effects of microwell depth on spheroid formation.
175 citations
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December 2014 in “PLoS Biology” This study found that macrophages near hair follicles contribute to the activation of skin epithelial stem cells in mice, suggesting a novel role for macrophages in regulating hair growth.
50 citations
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September 2023 in “Biomarker Research” This review focuses on S100A6, a Ca²⁺-binding protein, detailing its role in cell functions, the regulation of its expression, and its potential as a biomarker and therapeutic target in various diseases.
42 citations
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February 2016 in “Science” The document concludes that both internal stem cell factors and external influences like the environment and hormones affect hair loss and aging, with potential treatments focusing on these areas.
39 citations
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January 2013 in “Journal of Investigative Dermatology” This review explains how recent understanding of Wnt signaling regulation in hair follicles could potentially be used to enhance hair growth, but it reports no new empirical results.
35 citations
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July 2018 in “Cell Reports” This study found that the dermal papilla of the hair follicle regulates stem cell quiescence and regeneration by modulating Shh and Wnt signaling pathways, highlighting the importance of signaling cross talk in regeneration.
32 citations
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May 2015 in “Journal of Investigative Dermatology” This study found that collagen VI influences hair follicle growth and wound-induced regrowth by activating the Wnt/β-catenin signaling pathway in mice, suggesting potential therapeutic targets for hair loss.
20 citations
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August 2014 in “PloS one” This study found that MED1 deficiency in keratinocytes accelerates skin wound healing in young mice but delays healing in older mice, suggesting differential roles in epidermal regeneration with age.
11 citations
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January 2013 in “Methods in molecular biology” This study describes a method for labeling and tracking hair follicle stem cells in mouse skin using a Cre/lox recombination system with tamoxifen, providing insights into stem cell behavior and contribution to tissue regeneration.
10 citations
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January 2014 in “BioMed research international” In this study, dermal papilla cells from rat vibrissae showed potential for treating CNS injuries by secreting neurotrophic factors and promoting neuronal differentiation more effectively than bone marrow mesenchymal stem cells.
6 citations
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August 2022 in “Science immunology” This study identified key regions and transcription factors, including SIX1 and FOXN1 itself, that regulate Foxn1 expression in thymic epithelial cells and hair follicle cells, offering insights into its transcriptional regulation.
3 citations
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October 2024 in “Frontiers in Medicine” This study investigated single-cell changes in photoaged skin, revealing distinct cell clusters and increased activity in PD-L1 and PD-1 pathways in sun-exposed areas, enhancing understanding of UVA-induced skin damage and potential prevention targets for photoaging and UV-induced skin cancers.
3 citations
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January 2023 in “Science advances” This study found that ablation of Tet2/Tet3 genes in skin epithelial cells altered hair shape and length, leading to hair loss, by affecting chromatin accessibility and gene expression related to hair follicle regulation.
February 2026 in “Advanced Science” This study found that the combination of TTNPB and CHIR99021 enhanced the derivation of highly advanced neural stem cells from human pluripotent stem cells, with improved chromatin accessibility and neuroectodermal gene expression, and these cells successfully engrafted in rat hippocampi to ameliorate depression-like symptoms.
January 2024 in “Animals” In this study, researchers found that circERCC6, a circular RNA identified in cashmere goat hair follicles, helps activate secondary hair follicle stem cells, with its role dependent on specific m6A modifications that interact with miR-412-3p to regulate BNC2 expression.
September 2022 in “Research Square (Research Square)” This study found that overexpressing Rps14 in supporting cells promoted hair cell regeneration in the organ of Corti by facilitating cell proliferation and differentiation.
May 2022 in “Frontiers in Cell and Developmental Biology” This study identified that in pig embryos, the miR-29a-5p/EDAR/lncRNA627.1 ceRNA complex plays a critical role in inhibiting hair placode precursor cells proliferation and regulating hair placode formation through the suppression of EDAR expression, which may provide insights into similar mechanisms affecting human hair conditions.
June 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” This study discovered that the gene Tfap2b identifies a melanocyte stem cell population in zebrafish, essential for regenerating melanocytes with multi-fate potential into adult pigment cells.
June 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” This study found that overexpression of β-catenin in bipotent Schwann-cell precursors promotes melanocyte development in limb areas by inducing MITF and repressing FoxD3, especially during a specific developmental timeframe.
August 2016 in “Journal of Investigative Dermatology” In this animal study, zinc deficiency in mice was linked to disrupted hair cycles and impaired hair regrowth, which were reversed by zinc supplementation.
62 citations
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November 2009 in “Aging Cell” Hedgehog signaling helps keep hair follicle stem cells the same in both young and old human skin.
7 citations
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November 2022 in “Communications biology” This study found that injecting keratin into the skin of mice promoted hair growth, potentially through keratin's interaction with hair-forming cells and changes in the microenvironment.
1 citations
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September 2024 in “Frontiers in Cell and Developmental Biology” Pigs are a good model for studying human hair growth and disorders.