33 citations,
January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
10 citations,
January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
78 citations,
October 2012 in “Biomaterials” Larger spheroids improve hair growth, but size doesn't guarantee thicker hair.
November 2022 in “Journal of Investigative Dermatology” Growing dermal papilla cells in 3D improves their ability to help form new blood vessels.
1 citations,
January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
15 citations,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Retinoids can change the hair growth cycle by extending the growth phase and shortening the rest phase.
April 2019 in “Journal of Investigative Dermatology” Maca root extract protects hair follicles and promotes hair growth.
180 citations,
January 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is crucial for normal skin and hair growth.
30 citations,
November 2013 in “PLOS ONE” Androgen receptor signaling causes early aging of cells important for hair growth by damaging their DNA.
41 citations,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
44 citations,
June 2009 in “Biomaterials” Skin cell clumping for hair growth is improved by a protein called fibronectin, which helps cells stick and move better.
2 citations,
January 2002 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” Sophora flavescens extract helps hair grow and prevents acne.
83 citations,
December 2001 in “Journal of Investigative Dermatology” Minoxidil boosts hair growth by targeting adenosine and possibly sulfonylurea receptor 2B.
July 2023 in “Bioengineering & translational medicine” Mesenchymal stem cell proteins in a special gel improved healing of severe burns.
321 citations,
January 2012 in “Cell stem cell” TGF-β2 helps activate hair follicle stem cells by counteracting BMP signals.
January 2006 in “中华医学杂志:英文版” Cultured skin cells can trigger hair growth and the amount of certain proteins they produce affects their ability to regenerate hair follicles.
7 citations,
June 2021 in “Cell Proliferation” Low oxygen levels improve the function of hair and skin cells when they are in direct contact.
1 citations,
July 2004 in “PubMed” The study found that higher levels of ET-1 and SCF in early-stage dermal papilla cells improve their ability to regenerate hair follicles.
May 2023 in “Clinical, Cosmetic and Investigational Dermatology” The research found proteins in human skin cells that help with wound healing and hair growth, which could lead to new treatments.
11 citations,
October 2001 in “Tissue engineering” Cultured epithelium can form hair follicles when combined with dermal papillae.
70 citations,
November 1984 in “Cell & tissue research/Cell and tissue research” Vitamin D3 affects cell differentiation in specific skin areas.
April 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Disrupting the Tsc2 gene in certain cells leads to thicker skin, larger hair, and changes in hair growth signaling, which can be partly reversed with specific treatment.
39 citations,
April 1992 in “Development” Both cell and non-cell parts are important for rat whisker follicle regrowth.
25 citations,
April 1949 in “The journal of experimental zoology” Testosterone applied to rabbit skin increases skin cell growth and changes skin structure.
July 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The mesenchyme can start hair growth, but the exact signal that causes this is still unknown.
2 citations,
September 2023 in “PLoS biology” Newly divided skin cells quickly move to join skin structures due to tissue tension and specific signals.
15 citations,
March 2014 in “Acta naturae” Researchers made stem cells from human hair follicle cells with higher efficiency than from skin cells.
2 citations,
August 2019 in “Journal of skin and stem cell” The study concludes that regulating apoptosis could lead to new treatments for various skin and hair conditions.
1 citations,
January 2022 in “Skin Appendage Disorders” Lupus erythematosus can mimic alopecia areata, and trichoscopy is key for accurate diagnosis and better patient outcomes.
October 2023 in “Journal of Cosmetic Dermatology” A synthetic octapeptide may help promote hair growth and counteract hair loss.