482 citations
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June 1979 in “Proceedings of the National Academy of Sciences” Keratins provide structural strength in epithelial cells and help identify cell origins.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
25 citations
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August 2020 in “Experimental eye research/Experimental Eye Research” Different types of cells in the eye express specific keratins at various stages of development.
133 citations
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March 1999 in “Journal of Cutaneous Pathology” Trichoepitheliomas and some basal cell carcinomas likely come from hair follicle stem cells.
February 2026 in “Frontiers in Medical Technology” Keratinocyte stem cells are crucial for skin renewal and have potential in wound healing and tissue regeneration.
February 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Keratin 15 helps keep skin cells in a young, undifferentiated state.
375 citations
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June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
April 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” CTCF protein is essential for skin and hair follicle development in mice.
31 citations
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January 2004 in “Methods in cell biology” Hair and follicle keratins differ in structure and expression, especially in cysteine content.
187 citations
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May 1988 in “Differentiation” Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue development.
34 citations
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August 1966 in “Experimental cell research” Keratin fibrils in hair form and stop growing at specific points in the follicle.
25 citations
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October 2005 in “PubMed” Keratin 19 expression in certain skin cells is temporary and not a reliable stem cell marker.
2 citations
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August 2013 in “Journal of Investigative Dermatology” Nuclear shape and chromatin changes affect gene expression in skin cell differentiation.
19 citations
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December 1990 in “Journal of Histochemistry & Cytochemistry” Foreskin keratinocytes and SVK14 cells express certain cytochrome P450 enzymes, unlike hair follicle keratinocytes.
387 citations
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November 2003 in “Journal of Investigative Dermatology” The K15 promoter effectively targets stem cells in the hair follicle bulge.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology” 55 citations
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January 2004 in “The International Journal of Developmental Biology” Corneal cells can transform into hair-producing skin cells when exposed to certain signals.
98 citations
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December 2015 in “The Journal of Cell Biology” Keratin is crucial for skin barrier formation and affects mitochondrial function.
10 citations
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August 2020 in “Current protocols in stem cell biology” Scientists developed a way to create skin and hair cells from human stem cells, which could help treat burns and restore hair.
38 citations
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December 2006 in “Journal of Investigative Dermatology” Keratin patterns in hair follicles help understand hair growth and potential hair and nail disorders.
28 citations
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April 1996 in “Cell biology international” Changes in keratin affect skin health and can lead to skin disorders like blistering diseases and psoriasis.
54 citations
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September 1999 in “PubMed” K15 staining helps distinguish basal cell carcinoma from trichoepithelioma.
January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
124 citations
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December 1988 in “Differentiation” Trichocytic differentiation starts in cells with epithelial cytokeratins, transitioning to trichocytic cytokeratins in hair and gradually in nails.
50 citations
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April 2019 in “Journal of Biosciences” 81 citations
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January 1987 in “Current topics in developmental biology/Current Topics in Developmental Biology” Keratins change and are modified differently in skin layers and body parts.
40 citations
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March 1991 in “Journal of Investigative Dermatology”
January 2025 in “Frontiers in Cell and Developmental Biology” Hox proteins help maintain keratinocyte identity by regulating miRNA expression.
441 citations
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May 1996 in “Journal of Cell Science” Keratin 19 helps identify skin stem cells, with its presence varying by body location, age, and culture stage.