218 citations,
January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
212 citations,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
205 citations,
March 2012 in “Science Translational Medicine” PGD2 stops hair growth and is higher in bald men with AGA.
205 citations,
April 2005 in “Journal of Investigative Dermatology” Scientists have found a way to create hair follicles from skin cells of newborn mice, which can grow and cycle naturally when injected into adult mouse skin.
200 citations,
October 2009 in “European journal of endocrinology” Metformin helps manage polycystic ovary syndrome by improving insulin resistance and ovulation, but more research is needed on its full effects.
194 citations,
March 2003 in “American Journal of Pathology” Stress stops hair growth in mice by causing early hair growth phase end and harmful inflammation through a specific nerve-related pathway.
194 citations,
May 2000 in “Journal of Investigative Dermatology” The hedgehog signaling pathway is crucial for hair growth but not for the initial creation of hair follicles.
192 citations,
March 2017 in “Cell host & microbe” Hair follicle development and microbes help regulatory T cells gather in newborn skin.
191 citations,
May 2018 in “British journal of dermatology/British journal of dermatology, Supplement” Alopecia areata is likely an autoimmune disease with unclear triggers, involving various immune cells and molecules, and currently has no cure.
190 citations,
October 2002 in “The FASEB journal” Androgens may cause hair loss by increasing TGF-beta1 from scalp cells, which inhibits hair cell growth.
187 citations,
December 2005 in “Experimental Dermatology” Estrogens can improve skin aging but carry risks; more research is needed on safer treatments.
186 citations,
July 1998 in “Journal of Cutaneous Medicine and Surgery” Shorter CAG repeats may cause hair and skin issues, while longer ones may link to acne.
185 citations,
August 2020 in “Mayo Clinic Proceedings” Men are more likely to have severe COVID-19 cases and fatalities than women due to factors like lifestyle, aging, and biological differences.
184 citations,
December 2018 in “Nature Communications” Researchers created human hair follicles using a new method that could help treat hair loss.
182 citations,
November 2017 in “Molecular Aspects of Medicine” The PDGF/PDGFR pathway is a potential drug target with mixed success in treating various diseases, including some cancers and fibrosis.
181 citations,
January 2009 in “Nature Genetics” Certain mutations in a hair growth-related gene cause a type of genetic hair loss.
178 citations,
August 2016 in “Advances in wound care” New effective scar treatments are urgently needed due to the current options' limited success.
176 citations,
August 2015 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Alopecia areata involves immune activation in the scalp, suggesting treatments targeting TH1, TH2, and IL-23 pathways.
173 citations,
May 2001 in “Human reproduction update” Oestrogens are key for bone growth during puberty in both boys and girls.
171 citations,
October 1990 in “Alcoholism/Alcoholism, clinical and experimental research” The document concludes that the exact way alcohol causes harm to fetal development is unknown, but it significantly affects nutrient transport to the fetus and a safe level of alcohol during pregnancy is not determined.
170 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt ligands are crucial for hair growth and repair.
169 citations,
September 2010 in “Molecular & cellular proteomics” Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.
165 citations,
August 2013 in “Lasers in Surgery and Medicine” Low-Level Laser Therapy is effective and safe for hair growth with minimal side effects.
165 citations,
June 2007 in “European Journal of Cell Biology” Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
163 citations,
March 2012 in “BMC biology” Stem cell niches support, regulate, and coordinate stem cell functions.
163 citations,
November 2003 in “Journal of Investigative Dermatology” Low iron levels may be linked to some types of hair loss in women.
162 citations,
July 2011 in “Biomacromolecules” Chitosan nanofiber scaffolds improve skin healing and are promising for wound treatment.
162 citations,
August 2002 in “Survey of Ophthalmology” Latanoprost can make eyelashes longer, thicker, and darker.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
158 citations,
August 2011 in “Reviews in endocrine and metabolic disorders” Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.