September 2021 in “CRC Press eBooks” Traumatic alopecia causes hair loss from pulling or rubbing, leading to broken hairs and changes in the scalp.
130 citations,
January 1994 in “Differentiation” Mouse hair follicle cells briefly grow during the early hair growth phase, showing that these cells are important for starting the hair cycle.
50 citations,
May 2004 in “Journal der Deutschen Dermatologischen Gesellschaft” Estrogens generally inhibit hair growth and improve skin quality, but their exact effects on hair follicles are complex and not fully understood.
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.
29 citations,
May 2020 in “npj Regenerative Medicine” Immune cells help regulate hair growth, and better understanding this can improve hair loss treatments.
15 citations,
July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
211 citations,
October 2001 in “The FASEB Journal” Noggin is necessary to start the hair growth phase in skin after birth.
159 citations,
December 2007 in “American Journal of Pathology” Stress-related substance P may lead to hair loss and negatively affect hair growth.
98 citations,
December 2003 in “The FASEB Journal” Thymosin β4 promotes hair growth by activating stem cells in hair follicles.
95 citations,
July 2010 in “Genes & development” Notch/CSL signaling controls hair follicle differentiation through Wnt5a and FoxN1.
65 citations,
July 2006 in “Journal of biological chemistry/The Journal of biological chemistry” The gene Foxq1, controlled by Hoxc13, is crucial for hair follicle differentiation.
39 citations,
May 2010 in “Stem Cells” Ephrins slow down skin and hair follicle cell growth.
37 citations,
April 2017 in “npj Regenerative Medicine” PDGF signaling is crucial for maintaining and renewing hair follicle stem cells, which could help treat hair loss.
30 citations,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” Steroids, particularly estrogens and 5α-reductase inhibitors, affect blood vessel-related hair growth processes in hair follicle cells.
28 citations,
March 2016 in “Toxicologic pathology” Dogs could be good models for studying human hair growth and hair loss.
26 citations,
May 2019 in “PLOS ONE” Hair loss patients have different microbes in hair follicles, possibly affecting hair loss.
25 citations,
February 2019 in “Genomics” Cashmere and milk goats have different hair growth cycles and gene expressions, which could help improve wool production.
25 citations,
September 2018 in “Molecular Biology of the Cell” Blocking Wnt/β-catenin signaling with EGF receptor is necessary for proper hair growth.
13 citations,
May 2022 in “Cell discovery” The study found new details about human hair growth and suggests that preventing a specific biological pathway could potentially treat hair graying.
8 citations,
May 2013 in “Journal of Investigative Dermatology” Different problems with hair stem cell renewal can lead to hair loss.
6 citations,
December 2021 in “PLoS Genetics” Polycomb Repressive Complex 2 is not needed for hair regeneration.
4 citations,
November 2017 in “Scientific Reports” The research provides a gene-based framework for hair biology, highlighting the Hippo pathway's importance and suggesting links between hair disorders, cancer pathways, and the immune system.
Dermal stem cells help regenerate hair follicles and heal skin wounds.
138 citations,
June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
25 citations,
January 2015 in “World journal of stem cells” Hair follicle stem cells can become different cell types and may help treat neurodegenerative disorders.
3 citations,
January 2022 in “Pharmaceutics” Nanostructured delivery systems could potentially improve hair loss treatment by targeting drugs to hair follicles, reducing side effects and dosage, but the best size, charge, and materials for these systems need further investigation.
2 citations,
May 2020 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” The study found that specific proteins are markers of hair follicle development in human fetuses.
1 citations,
September 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” MicroRNA-148a is crucial for maintaining healthy skin and hair growth by affecting stem cell functions.
September 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Freezing gamma-irradiated amniotic fluid may help hair growth and speed up the growth phase.
Estrogen and its receptors play a key role in hair growth, with differences between males and females.