November 2016 in “Oncology Letters” Milia may come from the outer part of the hair follicle.
Testosterone and dihydrotestosterone can slow down the growth of certain hair follicle cells.
January 2008 in “Linchuang pifuke zazhi” Betamethasone activates and increases the growth of certain skin cells from hair follicles.
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.
14 citations,
April 2021 in “International journal of molecular sciences” Mesenchymal stem cells may help treat hair loss by improving hair cell growth and reducing inflammation.
14 citations,
January 2017 in “Pharmacological Reports” TP0427736 may help treat hair loss by blocking a specific protein and promoting hair growth.
7 citations,
December 2011 in “Annals of anatomy” Involucrin helps strengthen the inner parts of human hair.
April 2017 in “Journal of Investigative Dermatology” 34 citations,
July 1958 in “Biochimica et Biophysica Acta”
60 citations,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
38 citations,
September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
34 citations,
March 2007 in “Biochemical and Biophysical Research Communications” Thioredoxin reductase 1 does not affect glucocorticoid receptor activity in hair follicle cells.
23 citations,
June 2012 in “Molecular Biology Reports” VEGF stimulates hair cell growth and increases growth receptor levels through a specific signaling pathway.
22 citations,
September 2000 in “Journal of Investigative Dermatology” μ-Crystallin may help hair growth by affecting thyroid hormone levels in mouse hair follicles.
17 citations,
May 2012 in “Journal of biological chemistry/The Journal of biological chemistry” Hairless protein affects hair follicle structure by regulating the Dlx3 gene.
8 citations,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
8 citations,
July 2004 in “Journal of morphology” Marsupial hair structure and keratin distribution are similar to placental mammals.
1 citations,
July 2016 in “Livestock science” Nerve growth factor helps cashmere goat hair cells grow and is more active during the hair growth phase.
March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
April 2017 in “Journal of Investigative Dermatology” The hair follicle dermal sheath is essential for hair shedding and needs to communicate with the outer root sheath for normal hair growth cycles.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Particulate matter causes inflammation in hair cells, potentially harming hair growth.
January 2016 in “프로그램북(구 초록집)” LED light promotes hair growth by stimulating cell proliferation and reducing cell death.
43 citations,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
1 citations,
July 2019 in “Small ruminant research” Nerve growth factor helps cashmere goat hair cells grow by activating a specific protein.
19 citations,
July 1964 in “PubMed” Hair follicle cells become four types: medulla, cortex, cuticle, and inner root sheath.
2 citations,
March 2011 in “Veterinary Dermatology” FGF18 is present in beagle dog hair follicles, mainly in the inner root sheath.
1 citations,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
April 2017 in “Journal of Investigative Dermatology” Early and late matrix progenitors in hair follicles create different cell layers, with early ones forming the companion layer and later ones forming the inner root sheath and hair shaft.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
32 citations,
December 1969 in “The Lancet” Children with marasmus have more resting hair follicles and thinner, less pigmented hair, showing long-term malnutrition.