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September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
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February 1984 in “Zentralblatt für Veterinärmedizin Reihe A” Biotin is essential for healthy skin and claws in pigs.
November 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Keratin 79 cells help form and regenerate hair canals.
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January 1964 in “Experimental Cell Research” 1 citations
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January 2015 in “China Animal Husbandry & Veterinary Medicine” Four keratin genes are crucial for hair growth in Xinji fine wool sheep.
January 2000 in “Zhongguo yixue wulixue zazhi” Different human hair keratin types have unique structures that affect how they dissolve and can be used to create self-tendons.
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January 2020 in “Scientific Reports” The African spiny mouse heals skin without scarring due to different protein activity compared to the common house mouse, which heals with scarring.
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March 2000 in “Journal of Zoo and Wildlife Medicine” A new type of mite caused hair loss in a koala, which was treated successfully with ivermectin.
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January 2012 in “International journal of trichology” Trichostasis spinulosa can be diagnosed with a simple skin biopsy and treated with specific gels, but lesions may return after stopping treatment.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicle bumps with stem cells might contribute to permanent hair loss by getting disconnected due to scarring.
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September 2021 in “Journal of Applied Polymer Science” Cuttlefish ink melanin protects hair from UV damage.
The trichohyalin gene is located at chromosomal region 1q21 with other skin-related protein genes.
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April 2000 in “Developmental Dynamics” Whn is essential for hair growth, and its malfunction causes hair loss.
August 2001 in “The Journal of Cell Biology” A new keratin gene was found in mice, explaining hair growth.
May 2022 in “Research Square (Research Square)” Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.
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July 2022 in “Orphanet journal of rare diseases” RSPO1 mutations in certain patients lead to skin cells that don't develop properly and are more likely to become invasive, increasing the risk of skin cancer.
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June 2013 in “Biochimica et biophysica acta. Molecular cell research” Cornification is how skin cells die to form the protective outer layer of skin, hair, and nails.
August 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Root hair stiffness is mainly influenced by tip compression and turgor pressure.
Sensory neuron remodeling and Merkel-cell changes happen independently during skin maintenance.
Mineral deposits form in hair follicles after skin injury, faster in rats given DHT.
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September 2024 in “Frontiers in Physiology” Overexpression of R-spondin 3 leads to sparse hair and impaired hair regeneration.
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December 1980 in “Archives of Dermatology” Trichothiodystrophy is a condition with brittle hair and various physical and mental issues due to low sulfur in proteins.
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June 2002 in “Philosophical Transactions of the Royal Society B Biological Sciences” The study revealed how specific genes and proteins control root hair growth in plants.
January 1997 in “Elsevier eBooks” Hair and nails are skin parts that develop early and serve protective and functional roles.
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January 1994 in “Dermatology” The patient's hair had unique damage and a lower sulfur-to-nitrogen ratio compared to relatives, but not compared to healthy controls.
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August 1999 in “Journal of Investigative Dermatology” New mutations in hair keratin genes cause the rare hair disorder monilethrix.
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July 2011 in “PubMed” TRPS1 is crucial for bone, kidney, and hair follicle development.
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November 1969 in “Journal of Investigative Dermatology” A new staining method clearly shows nerves around eyebrow hair follicles.
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January 2017 in “Journal of Biological Chemistry” Astrotactin-2 is cleaved in a specific way that helps understand its maturation.