253 citations,
March 1994 in “Developmental dynamics” Apoptosis is essential for human skin development and forming a functional epidermis.
233 citations,
February 2018 in “Polymers” Chitin and chitosan are useful in cosmetics for oral care, haircare, and skincare, including UV protection and strength improvement.
224 citations,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
223 citations,
January 2014 in “International Journal of Molecular Sciences” The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.
212 citations,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
209 citations,
September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
194 citations,
May 2000 in “Journal of Investigative Dermatology” The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.
145 citations,
November 2018 in “Nature Communications” The Sonic hedgehog pathway is crucial for new hair growth during mouse skin healing.
132 citations,
January 2017 in “International Journal of Molecular Sciences” Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.
127 citations,
June 2008 in “British Journal of Clinical Pharmacology” Low doses of some substances can be beneficial, while high doses can be harmful or toxic.
119 citations,
July 2016 in “Annals of the New York Academy of Sciences” Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.
107 citations,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
100 citations,
September 2017 in “Molecular and Cellular Endocrinology” Male hormones and their receptors play a key role in hair loss and skin health, with potential new treatments being explored.
98 citations,
July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.
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July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
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May 2008 in “Cytokine & growth factor reviews” TNF family proteins are crucial for the development of skin features like hair, teeth, and mammary glands.
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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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March 2012 in “Development” Drosha and Dicer are essential for hair follicle health and preventing DNA damage in skin cells.
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May 2009 in “Development” EGF and KGF signalling prevent hair follicle formation and promote skin cell development in mice.
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June 2012 in “European journal of human genetics” Inherited ichthyoses cause widespread skin scaling and thickening due to gene mutations.
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September 2005 in “The American journal of pathology” Activin helps skin growth and healing mainly through stromal cells and affects keratinocytes based on its amount.
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January 2003 in “The FASEB Journal” Follistatin helps hair growth and cycling, while activin prevents it.
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February 2021 in “International Journal of Molecular Sciences” Mesenchymal stem cells show potential for skin healing and anti-aging, but more research is needed for safe use, especially regarding stem cells from induced pluripotent sources.
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July 2012 in “Journal of Investigative Dermatology” Mice lacking a key DNA methylation enzyme in skin cells have a lower chance of activating stem cells necessary for hair growth, leading to progressive hair loss.
72 citations,
July 2003 in “Journal of cosmetic dermatology” Frequent hair coloring and styling can damage hair and cause breakage or loss.
68 citations,
May 2011 in “European Journal of Dermatology” Acne is caused by genetics, diet, hormones, and bacteria, with treatments not yet curative.
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December 2019 in “PloS one” Beta-caryophyllene helps improve wound healing in mice, especially in females.
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September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
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July 2020 in “Science Advances” Dermal exosomes with miR-218-5p boost hair growth by controlling β-catenin signaling.
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July 2006 in “Journal of biological chemistry/The Journal of biological chemistry” The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.