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November 1968 in “Journal of neurophysiology” Cats' hairy skin has different touch receptors connected by myelinated fibers.
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November 2020 in “Proceedings of the National Academy of Sciences” HoxC genes are crucial for normal hair and nail development.
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February 2020 in “Scientific reports” Telocytes in the scalp may help with skin regeneration and maintenance.
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April 2017 in “Journal of The Royal Society Interface” Giant axonal neuropathy changes the structure of keratin in human hair.
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April 1999 in “Journal of Histochemistry & Cytochemistry” S100A3 protein is mainly found in specific parts of human hair cells.
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April 2023 in “The Journal of Cell Biology” Calcium signaling in skin cells is crucial for communication and regeneration.
May 2020 in “International journal of dermatology and venereology” Hair matrix cysts are rare skin nodules with unique features, often needing surgical removal.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
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September 1982 in “Journal of ultrastructure research” Wool follicle cells are more complex than previously thought.
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August 1990 in “Journal of Investigative Dermatology” Epithelial cell growth in rat hair follicles needs contact with mesenchymal cells through the extracellular matrix.
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
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December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
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January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
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December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
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August 2005 in “Biopolymers” L-cysteine slows down the breaking of bonds in hair due to electrostatic interactions.
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January 2009 in “Development” β-catenin, Shh, and Bmp signaling control hair follicle development.
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May 2021 in “EMBO journal” Cell polarity signaling controls tissue mechanics and cell fate, with complex interactions and varying pathways across species.
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April 1989 in “The Journal of Dermatology” Trichohyalin granules help inner root sheath cells in hair follicles harden by integrating with keratin filaments.
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April 2018 in “Journal of Investigative Dermatology” Lower proximal cup cells, not bulge stem cells, regenerate hair follicles after chemotherapy.
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February 2023 in “British Journal of Pharmacology” Isoxazole 9 (ISX9) may help regrow hair by activating certain cell signals.
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February 2006 in “Journal of Investigative Dermatology” Cylindromas likely originate from hair follicle stem cells, not sweat glands.
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December 1995 in “Journal of Cell Science” Nexin 1 may help control hair growth.
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October 1998 in “Differentiation” Basonuclin helps identify and track hair follicle development and cycling in mice.
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January 2013 in “Journal of Cutaneous Pathology” The onychodermis helps anchor the nail bed and may aid in nail formation.
Meis2 is essential for whisker development, independent of nerve involvement.