137 citations
,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
71 citations
,
June 2001 in “American Journal of Pathology” The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
50 citations
,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
44 citations
,
June 2018 in “Journal of Cellular Physiology” Researchers developed a 3D model of human hair follicle cells that can help understand hair growth and test new hair loss treatments.
36 citations
,
October 2015 in “Cell reports” Gab1 protein is crucial for hair growth and stem cell renewal, and Mapk signaling helps maintain these processes.
31 citations
,
January 2014 in “International Journal of Trichology” The arrector pili muscle might play a role in hair loss and needs more research to understand its impact.
30 citations
,
April 2018 in “Experimental Dermatology” The article concludes that developing in vitro models for human hair structures is important for research and reducing animal testing, but there are challenges like obtaining suitable samples and the models' limitations.
29 citations
,
December 2016 in “The EMBO Journal” Gata6 is important for protecting hair growth cells from DNA damage and keeping normal hair growth.
29 citations
,
January 2016 in “Annals of dermatology/Annals of Dermatology” Arachidonic acid helps hair grow by increasing growth factors and improving follicle health.
25 citations
,
August 2010 in “Journal of Biological Chemistry” Nuclear Factor I-C is important for controlling hair growth by affecting the TGF-β1 pathway.
25 citations
,
March 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Vitamin D Receptor is needed for hair growth in mice but not for skin stem cell maintenance.
24 citations
,
January 2003 in “Journal of Investigative Dermatology” Blocking a specific receptor slows down hair loss in mice.
23 citations
,
February 2019 in “International Journal of Molecular Sciences” Activin B can boost hair growth by promoting cell proliferation and cell cycle progression.
22 citations
,
February 2008 in “Journal of Dermatological Science” EPR spectroscopy showed that spontaneous hair growth results in thicker skin and less pigmented hair than depilation-induced growth.
20 citations
,
January 2022 in “Oxidative Medicine and Cellular Longevity” Reactive oxygen species (ROS) influence hair growth by causing DNA damage, cell death, and changes in immune cells.
18 citations
,
October 2017 in “PLOS ONE” The study concluded that similar pathways regulate hair growth in dogs and mice, and these pathways are disrupted in dogs with Alopecia X, affecting stem cells and hormone metabolism.
18 citations
,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
10 citations
,
May 2019 in “BMC Complementary and Alternative Medicine” The extract from Bacillus/Trapa japonica fruit helps increase hair growth and could be a potential treatment for hair loss.
7 citations
,
July 2008 in “Experimental Dermatology” The study concluded that a protein important for hair strength is regulated by certain molecular processes and is affected by growth phases.
5 citations
,
January 2013 in “Cells Tissues Organs” Activin B helps start and grow hair follicles in mice.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
April 2024 in “Frontiers in physiology” Immune cells are crucial for hair growth and preventing hair loss.
835 citations
,
October 2008 in “Nature Genetics” Lgr5 is a marker for active, long-lasting stem cells in mouse hair follicles.
223 citations
,
January 2014 in “International Journal of Molecular Sciences” The conclusion is that proper signaling is crucial for hair growth and development, and errors can lead to cancer or hair loss.
46 citations
,
January 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice lacking Insig proteins had hair growth problems due to cholesterol buildup, but this was fixed by the drug simvastatin.
45 citations
,
December 1991 in “Annals of the New York Academy of Sciences” ECM molecules are crucial for hair growth and development.
22 citations
,
March 2009 in “Journal of Natural Medicines” Erica multiflora plant extract can help hair grow by stimulating growth-related cells and triggering hair cycle changes.
20 citations
,
September 1978 in “International Journal of Dermatology” Hair growth is influenced by factors like genetics and nutrition, and more research is needed to understand hair loss and growth mechanisms.
14 citations
,
January 2015 in “Genetics and molecular research” The transition from growth to regression in Cashmere goat hair follicles involves changes in expression of genes related to keratin and cell differentiation.
14 citations
,
January 2009 in “Experimental Dermatology” Hair sheds gradually from the follicle, with readiness to shed indicated by less attachment material.