211 citations
,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
88 citations
,
May 2005 in “Journal of Dermatological Science” Versican, a protein, is less present in thinning hair follicles and this decrease might contribute to common hair loss in men.
68 citations
,
March 2018 in “Biomaterials” Tiny needles with valproic acid can effectively regrow hair.
55 citations
,
April 2017 in “Experimental Dermatology” The document describes a way to isolate and grow human hair follicle cells in 3D to help study hair growth.
52 citations
,
May 2015 in “PLOS Genetics” miR-22, a type of microRNA, controls hair growth and its overproduction can cause hair loss, while its absence can speed up hair growth.
51 citations
,
January 2003 in “Hormone Research in Paediatrics” Hormones and their receptors, especially androgens, play a key role in hair growth and disorders like baldness.
50 citations
,
February 2013 in “BMC evolutionary biology” Cetaceans lost hair due to changes in the Hr and FGF5 genes.
50 citations
,
September 2011 in “Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids” Maintaining the right amount of retinoic acid is crucial for healthy hair and skin.
41 citations
,
June 2010 in “Journal of Investigative Dermatology” New cells are added to the hair's dermal papilla during the active growth phase.
40 citations
,
October 2002 in “Endocrinology” Vitamin D3 analogs can promote hair growth in mice genetically prone to hair loss.
38 citations
,
June 2019 in “International Journal of Molecular Sciences” Tiny particles called extracellular vesicles could help with skin healing and hair growth, but more research is needed.
26 citations
,
August 2019 in “Stem Cell Research & Therapy” PBX1 helps hair stem cells grow and change by turning on certain cell signals and preventing cell death, which may be useful for hair regrowth treatments.
22 citations
,
April 2021 in “Human Cell” MicroRNAs may help diagnose and treat hair loss disorders.
20 citations
,
October 2017 in “Stem Cell Reports” Alkaline Ceramidase 1 prevents early hair loss in mice by keeping hair follicle stem cells balanced.
18 citations
,
December 2020 in “Frontiers in cell and developmental biology” miR-140-5p in certain cell vesicles helps hair growth by boosting cell proliferation.
14 citations
,
April 2011 in “Cell Proliferation” Scientists can grow human hair follicle stem cells in a lab without changing their nature, which could help treat hair loss.
13 citations
,
April 2020 in “Experimental Cell Research” PCAT1 helps hair growth by controlling miR-329/Wnt10b.
11 citations
,
January 2014 in “Egyptian Journal of Dermatology and Venereology” Women losing hair might have lower levels of vitamin D.
8 citations
,
November 2020 in “Frontiers in Cell and Developmental Biology” Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.
8 citations
,
October 2012 in “Transgenic Research” Overexpressing the human H-ferritin gene in mice causes mild growth delay and temporary hair loss.
4 citations
,
January 2020 in “BioMed Research International” Timosaponin BII, a plant extract, was found to promote hair growth in mice, similarly to minoxidil.
2 citations
,
September 2021 in “Orphanet Journal of Rare Diseases” People with hypohidrotic ectodermal dysplasia are more likely to experience long-term fatigue and hair loss after COVID-19.
2 citations
,
March 2021 in “Molecular Immunology” Dermal macrophages might help regrow hair.
1 citations
,
September 2023 in “eLife” TLR2 is important for hair growth and can be targeted to treat hair loss.
February 2026 in “International Journal of Web of Multidisciplinary Studies” Restoring microbial balance and using exosome therapies may help treat hair disorders like alopecia and acne.
January 2025 in “bioRxiv (Cold Spring Harbor Laboratory)” Rhamnose may help hair growth and pigmentation, making it a potential treatment for hair loss.
February 2024 in “Biomedical materials” Scientists created a lab-grown hair follicle model that behaves like real hair and could improve hair loss treatment research.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
October 2021 in “Research Square (Research Square)” Hair follicle stem cells in hairpoor mice are disrupted, causing hair loss.
4 citations
,
December 2022 in “Frontiers in cell and developmental biology” Zebrafish larvae are used to study and find treatments for ear cell damage because they are easier to observe and test than mammals.