53 citations,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
January 2024 in “Journal of tissue engineering” Sunlight exposure damages hair follicles, but certain stem cell-derived particles can reduce this damage and help with hair regeneration.
46 citations,
July 2007 in “Journal of comparative neurology” Manatee whiskers are specially adapted for touch in water.
41 citations,
July 2012 in “Stem Cells and Development” Low-dose UVB light improves hair growth effects of certain stem cells by increasing reactive oxygen species.
194 citations,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
73 citations,
March 2009 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that accurate diagnosis of hair disorders is crucial and requires a range of diagnostic methods.
5 citations,
July 2020 in “PubMed” Both oral contraceptives reduced hirsutism in PCOS patients, but adding metformin showed no extra benefit.
9 citations,
January 2014 in “Molecular Genetics and Metabolism Reports” The rhg mutation in mice affects the Oat gene, causing hair growth issues and other symptoms.
10 citations,
January 2014 in “Chemical and Pharmaceutical Bulletin” Ethanol pretreatment affects drug penetration through skin and hair follicles.
33 citations,
December 2008 in “Journal of Dermatology” Adenosine lotion improves hair growth and thickness in women with hair loss.
37 citations,
March 2006 in “Regulatory Peptides” Mice skin has components that could help with hair growth and might be used for diabetes treatment.
27 citations,
November 2005 in “Archives of Dermatological Research” Choosing hair follicles at the same growth stage leads to more consistent hair growth experiments.
157 citations,
October 2003 in “Development” AXR3 and SHY2 genes control the growth and timing of root hair development in plants.
3 citations,
April 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Beta-caryophyllene, found in essential oils, helps wounds heal better in multiple ways.
98 citations,
December 2003 in “The FASEB Journal” Thymosin β4 promotes hair growth by activating stem cells in hair follicles.
2 citations,
February 2023 in “International journal of molecular sciences” Body hairs can be used in forensic science and toxicology like scalp hair.
124 citations,
June 2020 in “Cell Stem Cell” Fat cells in the skin help start healing and form important repair cells after injury.
40 citations,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
5 citations,
November 2017 in “Asian journal of pharmaceutical and clinical research” Pakis Gajah (Angiopteris evecta) water extract may promote hair growth in rabbits, but more research is needed for human use.
17 citations,
July 2013 in “Amino Acids” Increased ODC activity leads to skin tumors by recruiting stem cells, not by toxic byproducts.
2 citations,
July 2022 in “BioMed Research International” Finasteride-loaded nanogels are effective, safe, and improve drug absorption through the skin.
1 citations,
March 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” NAC1 controls certain enzymes that reduce root hair growth in Arabidopsis.
28 citations,
October 2004 in “Differentiation” A gene deletion causes the "hairless" trait in Iffa Credo rats.
3 citations,
January 2023 in “Nutrients” Hordenine may help hair grow by activating a specific cell growth pathway.
86 citations,
February 2003 in “Journal of The American Academy of Dermatology” New methods improve how we test hair growth treatments, but challenges like slow hair changes and high costs remain.
2 citations,
May 2020 in “Journal of visualized experiments” Controlled light treatment in mouse skin speeds up healing and hair growth.
2 citations,
October 2023 in “Science advances” Touching hair can activate nearby nerve cells through signals from the hair's outer layer.
January 2024 in “Polski Merkuriusz Lekarski” Pica disorder in central Iraq is mainly found in females and is linked to low iron levels; treatment with iron improves most patients.
6 citations,
May 2020 in “Molecules/Molecules online/Molecules annual” Yak belly hair has higher porosity and is less stiff than human hair, making it absorb dye better but less suitable as a direct substitute for hair dyeing.
44 citations,
February 2012 in “The journal of neuroscience/The Journal of neuroscience” Mutations in the PTPRQ gene cause significant balance issues in mice due to hair bundle defects in the inner ear.