6 citations,
June 1976 in “Journal of ultrastructure research” Keratinized wool cells still have some organelles like lysosomes and mitochondria.
253 citations,
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45 citations,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
31 citations,
December 2010 in “Journal of the American Academy of Dermatology” Loose anagen hair syndrome is caused by structural abnormalities in the hair follicle's inner root sheath.
11 citations,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
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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.
Stem cells regenerate tissues and their behavior varies by environment, suggesting the hematopoietic system model may need revision.
46 citations,
June 2015 in “Journal of Investigative Dermatology” Androgen receptor activity blocks Wnt/β-catenin signaling, affecting hair growth and skin cell balance.
33 citations,
December 2004 in “Differentiation” Mouse amnion can turn into skin and hair follicles with help from certain cells and factors.
6 citations,
January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
2 citations,
September 2017 in “Biotechniques/BioTechniques” Researchers created a mouse cell line to study hair growth and test hair growth drugs.
23 citations,
September 1992 in “Archives of Dermatological Research” Cepharanthine and minoxidil promote cell growth and delay hair cell maturation.
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October 2006 in “Current opinion in cell biology” Feather growth and regeneration involve complex patterns, stem cells, and evolutionary insights.
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October 2006 in “International Journal of Dermatology” Asian hair is stronger and more damage-resistant than Caucasian hair due to a thicker cuticle layer.
759 citations,
February 2009 in “Current Biology” Hair follicles are complex, dynamic mini-organs that help us understand cell growth, death, migration, and differentiation, as well as tissue regeneration and tumor biology.
236 citations,
January 1951 in “Physiological zoology” Hair growth and pigmentation in mice involve specific stages crucial for research.
May 2023 in “Frontiers in Cell and Developmental Biology” The document concludes that using stem cells to regenerate hair follicles could be a promising treatment for hair loss, but there are still challenges to overcome before it can be used clinically.
January 2018 in “Stem cell biology and regenerative medicine” The nucleus is key in controlling skin growth and repair by coordinating signals, gene regulators, and epigenetic changes.
28 citations,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
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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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6 citations,
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July 2020 in “International journal of molecular sciences” Hormones like testosterone and estrogen significantly affect hair growth and structure.
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December 2014 in “Dermatologica sinica/Zhōnghuá pífūkē yīxué zázhì” Keratinocytes control how melanocytes work.
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January 1967 in “The BMJ” The document concludes that while some hair and scalp disorders can be treated, hair loss from destroyed follicles is permanent, and damaged hair can only regrow naturally.
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November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
Benign skin tumors need accurate diagnosis to ensure proper treatment.
59 citations,
August 1998 in “International Journal of Dermatology” Genetics and hormones cause hair loss; finasteride treats it safely.