44 citations
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February 2016 in “Zoology” Hair cortisol levels in primates are useful for stress assessment but vary by age, sex, species, and hair collection methods.
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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January 2009 in “Human cell culture” 1 citations
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June 2019 in “IEEJ Transactions on Sensors and Micromachines” A new device mimics hair follicle functions and detects tiny forces with high sensitivity.
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November 2003 in “The FASEB Journal” Epimorphin helps start hair growth in mice.
The naked mutation in mice causes hair loss and helps identify keratin genes.
September 1989 in “PubMed” The method allows detailed observation of hair tissue structures.
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May 1996 in “Endocrinology” Certain adrenal hormones can strongly stimulate oil gland growth in hamster skin, similar to male hormones.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
November 2025 in “Journal of Investigative Dermatology” Alpha-MSH affects mitochondrial function, and MC1R mutations may increase skin aging.
January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
104 citations
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May 2003 in “Endocrinology” Lampreys have a functional vitamin D receptor that may help detoxify harmful substances.
4 citations
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November 2022 in “Journal of biomedical materials research. Part B, Applied biomaterials” Human hair proteins, especially keratins, can protect cells from oxidative stress in lab settings.
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January 2023 in “International Journal of Molecular Sciences” Hair follicles could be used to noninvasively monitor our body's internal clock and help identify risks for related diseases.
15 citations
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October 2012 in “Journal of circadian rhythms” RNA from horse hair follicles can track circadian rhythms non-invasively.
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June 2012 in “Revista de la Escuela de Medicina Legal” Microscopes are essential for telling apart human and animal hair in criminal investigations.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
122 citations
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January 2006 in “Molecular & Cellular Proteomics” Human hair contains many proteins, with some being highly abundant and modified.
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September 2022 in “Organoid” A new method was developed to efficiently grow skin hair follicles from stem cells, potentially aiding alopecia treatment.
309 citations
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October 2007 in “Biomaterials” Keratin from human hair helps nerves heal faster.
13 citations
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April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
DHEA inhibits growth in both mouse and human melanoma cells but works differently in each.
March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Scientists can now create skin with hair by reprogramming cells in wounds.
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December 2013 in “Journal of Investigative Dermatology Symposium Proceedings” A new mouse model helps understand and find treatments for alopecia areata.
161 citations
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June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair stops producing melanin as it transitions from the growth phase to the resting phase.
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June 2020 in “Genes” Lykoi cats' unique sparse hair is linked to specific genetic variants in the Hairless gene.
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February 2013 in “British Journal of Dermatology” Androgens significantly regulate hair keratin K37 expression.
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May 2008 in “Histochemistry and Cell Biology” Keratins are crucial for cell stability, wound healing, and cancer diagnosis.
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October 1986 in “Differentiation”