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March 2018 in “Journal of Experimental Biology” Wool fibre curvature is due to longer orthocortical cells compared to paracortical cells.
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April 2019 in “Cosmetics” Hair stiffness is higher when it has more para-like cortical cells.
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October 2008 in “PubMed” Japanese women's curved hair has an uneven internal structure and varying amino acid composition.
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October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
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March 2001 in “Clinics in dermatology” Human hair is complex and grows in cycles starting from embryonic life.
Curly wool has more orthocortex than straight wool.
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December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
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April 1996 in “Journal of histochemistry and cytochemistry/The journal of histochemistry and cytochemistry” TGF-alpha is present in sheep and ferret skin and may affect hair growth without directly stimulating cell proliferation.
August 2020 in “Textile research journal” The model helps understand how wool fiber structure affects its strength and flexibility.
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July 2019 in “Cosmetics” Beautiful hair is flexible and elastic due to its unique double-layered structure and can be enhanced with succinic acid treatment.
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February 1981 in “Australian journal of biological sciences” Lambs fed a liquid diet showed abnormal wool and skin, which improved with more B-vitamins, suggesting a link to B-vitamin deficiency.
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March 2010 in “Medical hypotheses” Merkel cells may have roles in sensing magnetic fields, creating fingerprints, Reiki energy healing, passing on environmental information to offspring, and influencing hair shape.
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January 2018 in “Bone Research” TGF-β is crucial for tissue repair and can cause diseases if not properly regulated.
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December 2012 in “Cell Stem Cell” TGF-β is crucial for controlling stem cell behavior and changes in its signaling can lead to diseases like cancer.
January 2008 in “Durham e-Theses (Durham University)” Hair follicle stem cells are similar to mesenchymal stem cells and can become neural-like cells under certain conditions.
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December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
December 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” MicroRNA-205 helps hair grow by changing the stiffness and contraction of hair follicle cells.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
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November 2025 in “Cell Death and Disease” Understanding how mesenchymal stem cells stay undifferentiated can improve their use in treating diseases.
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December 2021 in “Nature Communications” Non-canonical Wnt signaling helps intestinal stem cells move to injury sites for tissue repair.
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September 2020 in “Molecular Brain” The anti-viral drug Elvitegravir may protect brain cells from damage related to neurodegenerative diseases.
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March 2020 in “Frontiers in Bioengineering and Biotechnology” Asia has made significant progress in tissue engineering and regenerative medicine, but wider clinical use requires more development.
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May 2021 in “Immunological Reviews” Different types of fibroblasts play various roles in kidney repair and aging, and may affect chronic kidney disease outcomes.
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July 2018 in “International Journal of Cosmetic Science” Keratin-based particles safely improve hair strength, smoothness, and heat protection.