21 citations
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December 1994 in “British Journal of Dermatology” Sheep dermal papillae can help form hair follicles in skin models.
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February 1977 in “The anatomical record” Excess vitamin A changes skin and hair follicle development and affects polysaccharide distribution.
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July 1997 in “British Journal of Dermatology” LHTric-1 is a specific antibody useful for studying hair and nail formation.
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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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January 1993 in “DNA sequence” KRT2.13 gene is similar to KRT2.9 but not expressed in hair follicles.
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March 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” The 14-3-3σ gene is essential for preventing hair loss.
8 citations
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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.
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August 2008 in “Journal of Forensic Sciences” Recognizing specific tissue types on telogen hair roots can improve DNA typing.
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June 2010 in “Medicina de Familia SEMERGEN” The girl's "dandruff" was actually harmless hair casts, not a hygiene issue.
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August 2023 in “Journal of cutaneous pathology” The analysis of a large pilomatricoma revealed five distinct areas with different gene activity related to hair growth and tumor development.
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January 2023 in “Indian Journal of Animal Research” A new method effectively stains hair samples for study without losing hair sections.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
February 2022 in “Skin research and technology” Reflective confocal microscopy can potentially diagnose epidermoid cysts without a biopsy.
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February 1991 in “Development” Fos protein is crucial for cell transition to cornification in keratinized tissues.
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April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
December 2023 in “Royal Society of Chemistry eBooks” Nails are a useful alternative to hair for analyzing long-term substance exposure.
253 citations
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March 1994 in “Developmental dynamics” Apoptosis is essential for human skin development and forming a functional epidermis.
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October 1988 in “Clinics in Dermatology” The molecular details of hair growth are not well understood.
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January 1983 in “Brain Research Reviews” Monkey lips have dense sensory nerves similar to those in other skin areas, explaining their sensitivity.
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August 1981 in “PubMed” Trichilemmal keratinization is a unique process in hair follicles where the outer root sheath turns into keratin without a specific layer.
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May 1998 in “Journal of Dermatological Science” Basal cell carcinoma shows keratin patterns similar to undifferentiated hair follicle cells.
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August 1982 in “Archives of dermatology” A new side effect of aromatic retinoid treatment is soft nails.
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January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
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October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
September 2023 in “SKIN The Journal of Cutaneous Medicine” Talquetamab may cause hair loss and skin issues.
January 2015 in “Chinese Veterinary Science” Recognizing ultrastructures of cashmere goat hair follicles helps identify and locate follicle layers.
August 2013 in “日本医療薬学会年会講演要旨集” Hair contains complex lipids, including cholesterol and fatty acids, similar to skin.
January 2012 in “eScholarship (California Digital Library)” Hair and nails contain stable RNA, useful for personalized medicine and screening.
January 1995 in “Skin Cancer” The outer root sheath in hair follicles changes during growth, with different keratinization processes in its layers.
82 citations
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January 2006 in “International review of cytology” Vertebrate skin evolved to be more specialized and complex, especially in land animals.