479 citations
,
January 2005 in “BioEssays” Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
396 citations
,
May 2011 in “Cell stem cell” Nerve signals are crucial for hair follicle stem cells to become skin stem cells and help in wound healing.
185 citations
,
June 2011 in “Molecular and cellular endocrinology” Skin cells produce and activate vitamin D, which regulates skin functions and supports hair growth.
159 citations
,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
116 citations
,
May 2013 in “Proceedings of the National Academy of Sciences of the United States of America” Hair grows faster in the morning and is more vulnerable to damage from radiation due to the internal clock in hair follicle cells.
111 citations
,
June 2002 in “The EMBO Journal” Too much Smad7 can cause serious changes in skin tissues, including problems with hair growth, thymus shrinkage, and eye development issues.
85 citations
,
July 2012 in “Cold Spring Harbor perspectives in biology” The skin protects the body and is constantly renewed by stem cells; disruptions can lead to cancer.
83 citations
,
May 2013 in “International Journal of Molecular Sciences” Skin development in mammals is controlled by key proteins and signals from underlying cells, involving stem cells for maintenance and repair.
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.
38 citations
,
September 2014 in “Cell and Tissue Research” The hair follicle infundibulum plays a key role in skin health and disease, and understanding it better could lead to new skin disease treatments.
36 citations
,
September 2015 in “Forensic Science International: Genetics” Certain DNA variants can predict straight hair in Europeans but are not highly specific.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
31 citations
,
September 2013 in “Stem Cells” Smad1 and Smad5 are essential for hair follicle development and stem cell sleepiness.
30 citations
,
October 2021 in “Scientific Reports” Inhibiting glycogen metabolism can promote hair growth.
30 citations
,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
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.
28 citations
,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
28 citations
,
July 2008 in “Developmental Biology” Smad4 is important for healthy hair follicles because it helps produce a protein needed for hair to stick together and grow.
23 citations
,
September 2017 in “The journal of investigative dermatology/Journal of investigative dermatology” NF-κB is crucial for different stages and types of hair growth in mice.
21 citations
,
October 2009 in “Biochemical Engineering Journal” Stem cell therapy is a promising approach for hair regrowth despite potential side effects.
20 citations
,
November 2019 in “Stem Cells” Hes1 protein is important for hair growth and regeneration, and could be a potential treatment for hair loss.
18 citations
,
December 2018 in “Expert Opinion on Biological Therapy” Hair follicle stem cells are promising for wound healing but require more research for safe clinical use.
9 citations
,
January 2008 in “Acta histochemica et cytochemica” COX-2 levels change during the hair cycle and affect skin and hair growth.
9 citations
,
August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.
7 citations
,
March 2017 in “Journal of dermatology” The conclusion is that accurately identifying folliculosebaceous tumors requires understanding their clinical signs and microscopic features.
6 citations
,
April 2010 in “Journal of Dermatological Science” Laminin-511 may help promote hair growth, while laminin-332 does not affect hair loss.
5 citations
,
January 2016 in “Journal of Molecular Histology” Both main and alternative Wnt signaling are important for regrowing rodent whisker follicles.
4 citations
,
June 2020 in “British Journal of Pharmacology” Activating TRPV4 in skin cells helps regrow hair in mice, possibly offering a treatment for hair loss.
1 citations
,
September 2021 in “International journal of research - granthaalayah” Human hair has bipolar electrical charges because of a gap in the hair follicle's electromagnetic field.
December 2025 in “Frontiers in Veterinary Science” Liaoning cashmere goats grow more cashmere by boosting fat production, supporting hair structure, and controlling inflammation.