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September 2013 in “Journal of Investigative Dermatology” BMAL1 and Period1 genes can influence human hair growth.
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November 2017 in “Scientific Reports” Different human hair follicle stem cells grow at different rates and respond differently to a baldness-related compound.
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October 1995 in “Biochimica et Biophysica Acta (BBA) - Gene Structure and Expression” hHb1, hHb3, and hHb6 mRNAs start expressing at the same time in hair follicles.
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November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
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April 1993 in “PubMed” Human hair cells can change based on their environment, especially interactions with certain skin cells.
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January 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Growth hormone is important for regulating human hair growth.
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August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
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August 1994 in “Journal of Cutaneous Pathology” Hair loss happens due to faster cell growth and fewer cells in affected follicles.
November 2022 in “Journal of Investigative Dermatology” Activating a bitter taste receptor in hair follicles can stop hair growth by increasing a specific growth factor.
January 2006 in “Chinese Journal of Medical Aesthetics and Cosmetology” Microencapsulated human hair cells can successfully grow new hair follicles in mice.
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July 2001 in “PubMed” Estrogens can reduce DHT production in hair follicles, but are less effective than finasteride and progesterone.
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April 2005 in “Journal of Investigative Dermatology” Human hair follicle cells can become fat and bone cells, useful for therapy.
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September 1996 in “PubMed” DP and DS cells are different from DF cells in structure and function.
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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 1990 in “PubMed” Hair varies in size and features depending on body region.
January 2024 in “ACS Biomaterials Science & Engineering” A new method using a microfluidic device can prepare hair follicle germs efficiently for potential use in hair loss treatments.
June 2020 in “Journal of Investigative Dermatology” Scientists successfully grew mini hair follicles using human skin cells, which could help treat baldness.
September 2019 in “Journal of Investigative Dermatology” EGFR and MEK inhibitors reduce PD-L1 in hair follicles, possibly causing inflammation.
February 2017 in “International Journal on Advanced Science, Engineering and Information Technology” Human hair follicle stem cells can grow and turn into skin cells on chitosan templates, which may help in regenerative medicine.
GHK-Cu and propolis may help prevent scalp aging and hair loss.
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November 1990 in “Journal of Cell Science” Human hair follicles can grow in a lab setting.
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January 1994 in “Skin Pharmacology and Physiology” Androgens shorten hair growth phases, causing finer hair and more severe hair loss in men.
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January 1996 in “Journal of Forensic Sciences” Dye enters hair at the edges of cuticle cells and penetrates more from water than alcohol-based solutions.
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October 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” HFMs can help study hair growth and test potential hair growth drugs.
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February 2019 in “International Journal of Cosmetic Science” Caffeine applied to the scalp can protect hair follicles from UV damage.
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April 1994 in “Journal of Investigative Dermatology” Androgen receptors found in monkey scalps, similar to humans, affect hair growth.
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March 2003 in “Journal de Physique IV (Proceedings)” Calcium soaps are present in human hair and can be removed with acid.
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June 2013 in “British Journal of Dermatology” Intense pulsed light treatment mainly damages pigmented hair parts but spares stem cells, allowing hair to regrow.
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” N-acetyl-GED may help prevent and partially reverse a process that leads to scarring hair loss.