July 2025 in “Journal of Investigative Dermatology” Secreted inhibitors of Wnt and IGF signaling control hair and tooth development, creating species-specific patterns.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
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December 2016 in “PloS one” A specific protein in chicken embryos links early skin layers to feather development.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” DAB labeling effectively identifies collagen type III and PDGFR in horse skin, but may show false positives.
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July 2011 in “Folia Histochemica et Cytobiologica” Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.
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September 2001 in “Journal of Investigative Dermatology” S100A8 and S100A9 proteins help form hair shafts during growth.
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February 2014 in “Journal of Cutaneous Pathology” Keratoacanthoma changes as it grows, showing different hair follicle characteristics at each stage.
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June 1990 in “Journal of Investigative Dermatology” Mineral deposits form in hair follicles after skin injury, faster in rats given DHT.
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March 2005 in “Proceedings of the National Academy of Sciences” Hair-follicle stem cells can become neurons.
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August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
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July 2006 in “Veterinary dermatology” CD34 marks potential stem cells in dog hair follicles.
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August 2016 in “Medical Hypotheses” Hair characteristics might be early signs of Type 2 Diabetes and could help with early prevention.
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November 2007 in “Experimental dermatology” Human hair follicles contain a complex network of prostanoid receptors that may influence hair growth.
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July 2021 in “Histopathology” New markers and pathways have been found in skin tumors, helping better understand and diagnose them.
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August 1992 in “Archives of dermatological research” Lab-grown nail cells show characteristics similar to natural nail and hair.
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February 1991 in “Development” Fos protein is crucial for cell transition to cornification in keratinized tissues.
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June 2000 in “PubMed” Osteopontin may help hair follicle growth during the catagen phase.
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February 2019 in “eLife” BMP signaling is essential for the development of touch domes.
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July 2014 in “Cold Spring Harbor Perspectives in Medicine” The document concludes that adult mammalian skin contains multiple stem cell populations with specific markers, important for understanding skin regeneration and related conditions.
Hair follicles supply a crucial brain development protein to the brain via platelets.
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March 2010 in “Histochemistry and cell biology” Skin cells can help create early hair-like structures in lab cultures.
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May 2020 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” The study found that specific proteins are markers of hair follicle development in human fetuses.
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January 1995 in “Cells Tissues Organs” Merkel cells develop independently of nerves and are linked to specific hair follicles in mice.
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August 2009 in “Differentiation” Desmoglein 4 is controlled by specific proteins that affect hair growth.
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August 2004 in “Physiological Genomics” Dermal papilla cells help skin stem cells grow into hair.