May 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that baricitinib can counteract the cytokine-driven reduction of the enzyme PADI1 in human keratinocytes, which may help improve skin barrier function in atopic dermatitis by enabling epidermal differentiation.
May 2008 in “University of Debrecen Electronic Archive (University of Debrecen)” This study examined both human and mouse follicles, finding that cannabinoid and TRPV1 systems independently regulate hair follicle biological functions, impacting hair growth and development.
101 citations
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December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” This study reports the successful differentiation of mouse induced pluripotent stem cells into keratinocytes that can regenerate skin and its structures in an in vivo environment.
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.
127 citations
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July 2002 in “EMBO journal” This study found that RXRα/RARγ heterodimers are necessary for retinoic acid-induced keratinocyte proliferation in the skin, while normal epidermal maintenance does not require RAR-mediated signaling.
39 citations
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August 1998 in “FEBS Letters” In this study, researchers identified two novel peptidylarginine deiminases from treated rat keratinocytes, both showing enzyme activity with PAD‐R11 reflecting a characteristic of epidermal enzymes.
36 citations
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September 1999 in “Journal of Cell Science” This study suggests that basonuclin may act as a tissue-specific transcription factor for ribosomal RNA genes by interacting with the promoter region necessary for high transcription levels in human keratinocytes.
18 citations
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October 2013 in “Stem Cell Research & Therapy” This study found that combining polybrene and a ROCK inhibitor can effectively expand human keratinocyte stem/progenitor cells carrying a transgene, aiding their use in regenerative medicine.
15 citations
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June 2011 in “Journal of Investigative Dermatology” This study found that overexpressing the 14-3-3σ protein in transgenic mice reduced keratinocyte proliferation and migration, leading to thinner epidermis and fewer hair follicles due to IGF-1 pathway inhibition.
11 citations
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November 2015 in “Experimental Dermatology” This study reported that IL-6/STAT3 signaling influences p63 isoform expression in keratinocytes and is involved in wound-induced hair follicle neogenesis, highlighting the interplay between immune and developmental pathways.
9 citations
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January 2018 in “Acta dermato-venereologica” This study found that carbonic anhydrase II was significantly upregulated in human keratinocytes when treated with toll-like receptor 3 agonist and Th2 cytokines, suggesting its potential role in inflammatory skin conditions.
8 citations
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July 2024 in “Cells” In this review, researchers explored how PGC-1α might improve aged skin barrier function by influencing mitochondrial function and reducing inflammation, factors that are linked to epidermal health during aging.
7 citations
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October 2024 in “Cells” The researchers reported that autophagy, a lysosome-dependent degradation mechanism, plays a significant role in the cellular remodeling of keratinocyte differentiation in the skin, affecting the properties of the differentiation products by altering cellular components during this process.
2 citations
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July 2017 in “Oncology Letters” This study found that ablating cyclin D3 in a Ras-dependent skin carcinogenesis model increased apoptosis in hair follicles, reducing papilloma development but potentially facilitating malignant progression when CDK6 is overexpressed.
1 citations
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May 2024 in “Journal of Dermatological Science” In this study, KC-AD-MSCs were found to increase COL7 deposition and anchoring fibril formation at the dermal-epidermal junction in a RDEB mouse model, suggesting potential for improving skin integrity in recessive dystrophic epidermolysis bullosa patients.
January 2026 in “Experimental Dermatology” This review discusses the role of keratinocytes in hidradenitis suppurativa, highlighting their genetic and metabolic influences on disease progression without presenting new clinical results.
27 citations
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August 2016 This article discusses the importance of understanding the skin's structure and function for comprehending both healthy skin biology and skin disease pathophysiology, but reports no new findings.
This study found that the survival and proliferation of mouse melanocytes expressing the GNAQQ209L oncogene were impaired by interactions with the epidermal microenvironment, suggesting a possible mechanism for the rarity of these mutations in epidermal melanomas.
This study found that GNAQQ209L expression in mouse melanocytes led to reduced survival in the interfollicular epidermis due to paracrine signaling, while GNAQQ209L boosted survival in a different microenvironment.
May 2026 in “Journal of Medicinal Food” This study found that orally administered hydrolyzed keratin peptide promoted hair growth and enhanced cellular proliferation and antioxidant capacity in mice and human cell models, suggesting its potential as a functional food ingredient for hair health.
This article reviews current advancements and options in skin substitutes for burn patients, but reports no new research findings, noting the promise for fully functional skin substitutes in the future.
28 citations
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January 2013 in “Stem cells” This study found that the CD44(+) ALDH(+) population of neonatal human keratinocytes exhibited enhanced stem cell properties, including significantly increased long-term epidermal regeneration and multipotency, compared to unfractionated cells.
24 citations
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February 2011 in “The American journal of pathology” This study found that AIRE, a usually nuclear protein, is expressed in the cytoplasm of human epidermal and follicular keratinocytes and associates with the intermediate filament protein cytokeratin 17, potentially impacting ectodermal abnormalities in APECED syndrome.
6 citations
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February 2013 in “Journal of Visualized Experiments” This study introduces a method using lentiviral delivery in mice to expedite analysis of factors crucial for hair follicle morphogenesis by enabling rapid gain- or loss-of-function studies.
January 2015 in “OpenBU/Boston University Institutional Repository (Boston University)” This study reported that NRP2 expression in melanocytes and melanocyte stem cells is linked to migration inhibition and potentially melanoma progression, suggesting its role as a target for understanding melanoma and hair follicle biology.
January 2022 in “Journal of St. Marianna University” This study investigated how secretions from cultured human hair follicle-derived keratinocytes affect gene expression in human follicle dermal papilla cells to understand their signaling interactions.
1 citations
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January 2022 in “Cell Biology International” This study found that altering cyclin-dependent kinase 4 (CDK4) levels in the bulge region of hair follicles affects the balance of stem cell numbers, potentially influencing hair follicle self-renewal and proliferation.
September 2017 in “Journal of Investigative Dermatology” This study suggests that activating the hexosamine pathway may enhance skin homeostasis, potentially increasing hair follicle stem cells and modifying extracellular matrix components like hyaluronic acid in vitro.
November 2022 in “Journal of Investigative Dermatology” This study provides evidence that ILC1-like cells can induce alopecia areata in previously healthy human hair follicles, challenging the view that it is solely an autoantigen-dependent autoimmune disease.
November 2022 in “Journal of Investigative Dermatology” This study found that human scalp hair follicles produce neurohormones and responded to GHRH stimulation by prolonging hair growth, suggesting a functional peripheral HPS neuroendocrine signaling axis in the skin.