September 1984 in “Journal of Biological Education” Human hair growth involves active, resting, and intermediate phases, and examining plucked hairs can teach students about hair biology and diseases.
163 citations
,
April 2019 in “Nature Communications” Mechanical stretching of the skin can promote hair growth by activating certain immune cells.
77 citations
,
June 2007 in “PLoS ONE” Birds can regenerate inner ear cells using specific gene pathways, unlike mammals.
59 citations
,
April 2016 in “Breast Cancer Research and Treatment” Targeting vitamin D and androgen receptors may effectively treat triple-negative breast cancer, especially with chemotherapy.
54 citations
,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
40 citations
,
July 2017 in “Frontiers in Medicine” Early and personalized treatment for hair loss in young people is crucial to prevent permanent damage and should include psychological support.
35 citations
,
February 2019 in “Cell Communication and Signaling” BMP6 and Wnt10b control whether hair follicles are resting or growing.
20 citations
,
January 2013 in “Annals of Dermatology” Topical minoxidil successfully treated temporal triangular alopecia.
13 citations
,
January 2020 in “Scientific Reports” The African spiny mouse heals skin without scarring due to different protein activity compared to the common house mouse, which heals with scarring.
13 citations
,
November 2013 in “Journal of Endocrinology/Journal of endocrinology” Vitamin D receptor helps control hair growth genes in skin cells.
12 citations
,
July 2021 in “Scientific Reports” Glutamic acid helps increase hair growth in mice.
11 citations
,
August 2024 in “Nature Communications” Quiescent cells have increased mitochondrial activity and ECM gene expression, but reduced glycolysis.
5 citations
,
January 2017 in “Dermatologic Surgery” Storing hair follicle micrografts for longer times can cause them to enter a state similar to the natural hair shedding phase, which might impact hair transplant results.
5 citations
,
February 2011 in “Expert Opinion on Drug Discovery” We need better treatments for hair loss, and while test-tube methods are helpful, they can't fully replace animal tests for evaluating new hair growth treatments.
1 citations
,
October 2025 in “Nature Communications” Cell size controls when stem cells divide.
1 citations
,
September 2019 in “BMC veterinary research” Malarone® caused pancreatitis and hair loss in a dog for the first time.
June 2025 in “Universal library of medical and health sciences.” External factors like pollution, stress, and poor nutrition can negatively affect hair growth.
June 2023 in “Journal of cosmetic medicine” Hair follicle stem cells and mitochondria are key for hair growth, and targeting their activity could lead to new hair loss treatments.
September 2022 in “Research Square (Research Square)” Increasing Rps14 helps grow more inner ear cells and repair hearing cells in baby mice.
September 2016 in “Journal of the Egyptian Women's Dermatologic Society (Print)” Higher RBP4 levels found in people with two types of hair loss.
349 citations
,
January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
2 citations
,
March 2011 in “Infertility” The conclusion is that lifestyle changes and weight loss are first-line treatments for infertility due to anovulation, with various medications and assisted reproductive technologies as additional options.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
85 citations
,
April 2004 in “Thyroid” Thyroid problems can negatively affect women's reproductive health and pregnancy, and can cause symptoms like fatigue and depression, but not all women with these symptoms need treatment.
75 citations
,
September 2017 in “Developmental biology” The circadian clock influences the behavior and regeneration of stem cells in the body.
28 citations
,
May 2017 in “Molecular ecology” Researchers found genes that control hair color and growth change before the visible coat color changes in snowshoe hares.
24 citations
,
October 2017 in “Scientific reports” Changing light exposure can affect hair growth timing in goats, possibly due to a key gene, CSDC2.
19 citations
,
September 2004 in “Reviews in gynaecological practice” Effective hirsutism management requires identifying the cause, combining new and traditional treatments, and setting realistic expectations for patients.
11 citations
,
April 2017 in “The European Journal of Contraception & Reproductive Health Care” Cyproterone acetate with ethinyl estradiol is effective for treating skin symptoms related to high androgen levels, like in PCOS.
9 citations
,
February 2022 in “BMC Genomics” Melatonin affects gene expression in goat hair follicles, potentially increasing cashmere production.