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March 2020 in “Antioxidants” Microwave-assisted Opuntia humifusa extract protects skin cells from pollution damage.
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October 2016 in “Biomolecules & Therapeutics” 3-Deoxysappanchalcone helps human hair cells grow and stimulates hair growth in mice by affecting certain cell signaling pathways.
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January 2014 in “Cell Structure and Function” Human sweat glands contain stem cells capable of self-renewal and forming different cell types.
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June 2005 in “British Journal of Dermatology” Calretinin identifies the companion cell layer in human hair follicles.
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August 2015 in “International Journal of Cosmetic Science” Malva verticillata seed extract might help treat hair loss by activating hair growth signals in skin cells.
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September 2014 in “SpringerPlus” Sheep have a unique gene, KAP8-2, that humans don't have, which may affect wool properties.
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November 2015 in “Journal of Dermatological Science” Sebum helps protect human skin from microbes.
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November 2015 in “Scientific reports” Human hair has a new region with ordered filaments and the cuticle contains β-keratin sheets.
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November 2013 in “Molecular Medicine Reports” Human hair follicle stem cells can become endothelial cells with certain growth factors, useful for vascular treatments.
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April 2013 in “PLOS ONE” TNFα, IFNγ, and Substance P significantly affect prolactin levels in human skin, suggesting new treatments for skin and hair conditions.
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January 1989 Human papilla cells from hair follicles show unique growth behaviors but don't induce hair growth in vitro.
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January 2015 in “Stem cells international” Coating surfaces with human hair keratin improves the growth and consistency of important stem cells for medical use.
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January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride helps hair growth by decreasing cell death in hair follicles.
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July 1997 in “British Journal of Dermatology” The inner root sheath is vital for hair follicle stability during growth changes.
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November 2010 in “Toxicological & Environmental Chemistry Reviews” Smokers and people with dyed hair have higher levels of certain metals in their hair.
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June 2023 in “Proceedings of the National Academy of Sciences” Tightly curled scalp hair helps reduce heat from the sun, protecting against overheating.
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November 2015 in “Phytomedicine” Glycyrrhizic acid may help reduce unwanted hair growth.
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July 2004 in “British Journal of Dermatology” HPV type 56 can hide in hair follicles even without visible warts.
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January 2002 in “Journal of Cutaneous Medicine and Surgery” Finasteride affects hair growth by changing caspase and XIAP levels, potentially treating hair diseases.
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December 2013 in “PTR. Phytotherapy research/Phytotherapy research” Ginsenoside Rg3 may help hair growth by increasing a growth-related protein in hair cells.
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October 2004 in “Journal of Pharmaceutical and Biomedical Analysis” Quick method to measure minoxidil in blood, accurate and useful for labs.
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January 2019 in “Molecular Medicine Reports” Store stem cells at 4°C in 10% human serum and use within 2-4 hours for best results.
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July 2015 in “Journal of Ginseng Research” Korean Red Ginseng may protect against hair loss caused by chemotherapy.
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March 2015 Human hair has electromagnetic properties.
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September 2013 in “Molecular Medicine Reports” Human hair follicle stem cells can become smooth muscle cells using specific growth factors.
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June 2008 in “Journal of Investigative Dermatology” HPV genes in mice improve ear tissue healing by speeding up skin growth and repair.
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
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January 2008 in “Journal of Pharmacy and Pharmacology” Porcine hair follicles can effectively model human hair follicles for drug absorption.
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December 2006 in “Journal of Structural Biology” Type I and Type II keratin chains can form heterodimers despite sequence differences.
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July 1994 in “Journal of Dermatological Science” Human hair keratin genes are similar to mouse genes and are specifically expressed in hair follicles.