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April 2009 in “Journal of anatomy” Hard skin features like scales, feathers, and hair evolved through specific protein changes in different animal groups.
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June 1992 in “Journal of Cutaneous Pathology” Harlequin ichthyosis involves abnormal skin cell structures and giant mitochondria, affecting skin and hair.
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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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May 1988 in “Differentiation” Trichocytic cytokeratins are found in hair, nails, tongue, and thymus cells, showing complex regulation in tissue 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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February 2025 in “Animals” Understanding proteins in skin structures like claws and hair is crucial for future research.
Equine hoof progenitor cells can help develop therapies for hoof diseases like laminitis.
January 2009 in “한국피부장벽학회지” Calcium is crucial for skin development and healing.
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July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
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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.
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November 1987 in “Journal of the American Academy of Dermatology” The model successfully grew and differentiated hair follicle cells in the lab.
May 2025 in “Journal of Developmental Biology” Jawless vertebrates have teeth proteins similar to those in mammalian hair and nails.
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April 2017 in “PLoS ONE” White rhinoceroses have a unique skin structure with thick epidermis and no hair or oil glands.
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April 2013 in “Stem cells” LGR5 helps maintain corneal cell characteristics and prevents unwanted changes by controlling specific cell signaling pathways.
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September 2006 in “American Journal Of Pathology” Odontogenic keratocysts are caused by abnormal Hedgehog signaling and can lead to tooth and bone issues.
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October 1962 in “Journal of Ultrastructure Research” The hair follicle structure is more complex than thought, with new findings on protein formation.
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April 2012 in “Journal of Cellular and Molecular Medicine” Telocytes might help with skin repair and regeneration.
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April 2024 in “Cells” Corneal cells can potentially revert to stem cells, aiding in repair and regeneration.
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January 1979 in “International review of cytology” Wool follicles are complex, involving interactions between different cell types and structures.
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February 2009 in “Clinical and Experimental Dermatology” A man had rare skin tumors with bone formation and cholesterol deposits.
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January 2004 in “European journal of cell biology” Without keratin 10, there's more growth and development of oil-producing skin cells.
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October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
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February 1968 in “Australian Journal of Zoology” The southern elephant seal's skin layer helps waterproof the skin by being tightly connected to hair shafts.
April 2023 in “Journal of Investigative Dermatology” New method measures skin cell turnover quickly and effectively, showing turnover slows with age and responds more to treatments in older skin.
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February 1993 in “Journal of Investigative Dermatology” August 1969 in “Archives of Dermatology” Regenerated skin after calciphylaxis resembles scar tissue with fewer hairs.
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December 1985 in “Archives of Dermatological Research” Eye lens capsules are the best for growing human skin cells.