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September 2000 in “Journal of Investigative Dermatology” μ-Crystallin may help hair growth by affecting thyroid hormone levels in mouse hair follicles.
9 citations
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April 1985 in “Canadian Journal of Zoology” Moose have unique interdigital glands with green hairs and larger glands during mating season.
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June 2003 in “Journal of Morphology” Monotreme and marsupial skin proteins show primitive features and species-specific differences compared to placental mammals.
2 citations
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June 2013 in “Journal of Dermatological Case Reports” Olmsted syndrome is a rare skin disorder causing thickened skin and other symptoms.
September 2023 in “UCrea (University of Cantabria)” Nails are essential for fingertip regeneration.
158 citations
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January 2009 in “The International Journal of Developmental Biology” Reptile scales help us understand the evolution of skin features like hair and feathers.
March 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Spiny mice have a unique skin structure that helps them heal and regenerate quickly.
The inner root sheath in hair follicles plays a key role in hair growth and health.
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September 2019 in “PLoS ONE” K42 and K124 keratins are only found in horse hoof lamellae.
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June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
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January 2022 in “Scientific reports” The research identified two types of keratinocytes in chicken scales: one for hard scales and another for soft skin, with similarities to human skin differentiation.
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January 1994 in “Cell and Tissue Research” 17 citations
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May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
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April 2011 in “Biological Chemistry” Cathepsin E is crucial for normal skin cell differentiation and development.
32 citations
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July 2001 in “Journal of the American Academy of Dermatology” SLHA can be hard to diagnose and needs teamwork between specialists.
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June 1993 in “Archives of Dermatological Research”
September 2024 in “Genes” CRABP1 boosts hair cell growth in Hu sheep by affecting key genes.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
30 citations
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
January 2015 in “Turkiye Klinikleri Journal of Dermatology” Peripilar keratin casts are a helpful sign for diagnosing traction alopecia.
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June 2010 in “Biological Chemistry” Cathepsin L deficiency causes large, abnormal cell structures and health issues in mice.
April 2016 in “Journal of Investigative Dermatology” Lymphoid-specific helicase (Lsh) is crucial for skin growth, change, and healing after injury.
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January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
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January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
October 1990 in “Spectrum Research Repository (Concordia University)”
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August 2022 in “Cutis” Certain nail conditions can suggest thyroid problems, with different symptoms for underactive (slow, thin nails) and overactive (spoon-shaped, brittle nails) thyroid.
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June 1995 in “The Journal of Dermatology” The flaky skin mouse mutation is a natural model for studying human psoriasis.