185 citations,
December 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
147 citations,
September 2006 in “Developmental Cell” Too much Smad7 changes skin and hair development by breaking down a protein called β-catenin, leading to more oil glands and fewer hair follicles.
127 citations,
January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
82 citations,
February 2017 in “Cold Spring Harbor Perspectives in Biology” The TGF-β family helps control how cells change and move, affecting skin, hair, and organ development.
81 citations,
October 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Certain genes control the color of human hair by affecting pigment production.
81 citations,
September 2009 in “Birth defects research” Different body areas in mice produce different hair types due to interactions between skin layers.
74 citations,
September 2006 in “Cell Cycle” The HR protein's role as a repressor is essential for controlling hair growth.
65 citations,
February 2017 in “Pflügers Archiv - European Journal of Physiology” Macrophages are vital for skin healing, hair growth, salt balance, and cancer defense.
61 citations,
July 2011 in “PLOS ONE” Spermidine may help reduce hair loss and deserves further testing as a treatment.
57 citations,
March 2019 in “Immunity” The document concludes that the skin's immune system is complex, involving interactions with hair follicles, nerves, and microbes, and can protect or cause disease, offering targets for new treatments.
45 citations,
December 2007 in “The FASEB journal” There are two types of stem cells in rodent hair follicles, each with different keratin proteins.
42 citations,
June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
42 citations,
February 1985 in “Journal of the American Academy of Dermatology” Excessive hair growth can be assessed by history, exam, and blood tests, and treated with medication like dexamethasone, birth control pills, and spironolactone.
40 citations,
April 2014 in “Genes & Development” Hormones during pregnancy and lactation keep skin stem cells inactive, preventing hair growth.
40 citations,
June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
31 citations,
May 2015 in “Stem Cell Reports” Stem cells and their surrounding environment in hair follicles work closely together, affecting hair growth and having implications for cancer and tissue regeneration.
30 citations,
January 2009 in “Nuclear Receptor Signaling” Hairless protein is crucial for healthy skin and hair, and its malfunction can cause hair loss.
29 citations,
December 2005 in “BioEssays” Wnt/ß-catenin signaling is crucial for regulating skin stem cells and hair growth, with the right levels and timing needed for proper function.
25 citations,
June 2021 in “Developmental Cell” Dying cells can help with faster healing and new hair growth by releasing a growth-promoting molecule.
25 citations,
May 2013 in “Journal of mammary gland biology and neoplasia” Hedgehog signaling is crucial for mammary gland development over hair follicles.
24 citations,
July 2018 in “Stem cells” Runx1 controls fat-related genes important for normal and cancer cell growth, affecting skin and hair cell behavior.
24 citations,
February 2007 in “International Journal of Dermatology” A woman with cervical cancer had rare scalp metastasis causing a unique type of hair loss.
23 citations,
July 2018 in “Journal of Cosmetic Dermatology” Chemotherapy caused hair loss with specific patterns, but most patients had hair regrowth after treatment, while some had lasting hair loss.
18 citations,
January 2017 in “PloS one” Certain genes and pathways are crucial for high-quality brush hair in Yangtze River Delta White Goats.
17 citations,
June 2017 in “British Journal of Dermatology” The article concludes that hair loss is a common side effect of drugs treating skin cancer by blocking the hedgehog pathway, but treatment should continue, and more selective drugs might prevent this side effect.
16 citations,
September 2019 in “Journal of biological chemistry/The Journal of biological chemistry” Mice without certain skin enzymes have faster hair growth and bigger eye glands.
16 citations,
January 2018 in “Biochemical and Biophysical Research Communications” Researchers created five new human scalp cell lines that could be useful for hair growth and loss research.
16 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” New treatments and early diagnosis methods for permanent hair loss due to scar tissue are important for managing its psychological effects.
15 citations,
April 2017 in “Cell Stem Cell” Some brain cancer cells avoid immune system detection, and certain treatments could target this to slow their growth; also, certain fat cell precursors help regenerate hair and skin after injury.
12 citations,
May 2005 in “Current obstetrics and gynaecology/Current obstetrics & gynaecology” Hirsutism is too much hair growth in women like the pattern in men, often caused by high male hormones, and can be treated with hormone control and hair removal methods.