6 citations,
July 2012 in “Experimental Dermatology” The substance from human hair root cells can help maintain hair growth and make skin cells more capable of growing hair.
July 2024 in “Biological and Pharmaceutical Bulletin” Licorice extract helps hair growth and may treat hair loss.
3 citations,
November 2019 in “Journal of Investigative Dermatology” Adenosine helps human hair grow and prevents hair loss by targeting specific cells.
43 citations,
February 2008 in “Journal of cutaneous pathology” Melanocyte precursors in human fetal skin follow a specific migration pattern and some remain in the skin's deeper layers.
1 citations,
January 2012 in “International journal of trichology” Sheep hair follicle cells can grow a lot but need the dermal papilla to do so.
51 citations,
February 2009 in “Journal of dermatological science” Pitx2 helps outer root sheath cells differentiate but can't start hair growth on its own.
13 citations,
January 2002 in “Biochemical and biophysical research communications” Interferon β from hair cells stops the growth of other hair cells.
86 citations,
May 2002 in “Journal of Investigative Dermatology” A new keratin, hK6irs1, is found in all layers of the hair follicle's inner root sheath.
43 citations,
September 2017 in “Lasers in Surgery and Medicine” LED light therapy may help hair growth by activating certain cell pathways.
15 citations,
July 2004 in “Journal of morphology” Monotreme hair structure and protein distribution are similar to other mammals, but their inner root sheath cornifies differently, suggesting a unique evolution from reptile skin.
March 2024 in “Tissue and cell/Tissue & cell” Telomerase-positive cells are mainly in the bulb matrix and outer root sheath of hair follicles.
1 citations,
July 2019 in “Small ruminant research” Nerve growth factor helps cashmere goat hair cells grow by activating a specific protein.
17 citations,
May 2012 in “Journal of biological chemistry/The Journal of biological chemistry” Hairless protein affects hair follicle structure by regulating the Dlx3 gene.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
356 citations,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
165 citations,
September 2001 in “Genes & development” CDP is crucial for lung and hair follicle cell development.
146 citations,
May 2002 in “The American journal of pathology” Cathepsin L is essential for normal hair growth and development.
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.
10 citations,
December 2021 in “Frontiers in cell and developmental biology” The research identified genes that explain why some sheep have curly wool and others have straight wool.
2 citations,
March 2019 in “Journal of Histochemistry and Cytochemistry” Neuronatin is found in specific cells within rat testis, hair follicles, tongue, and pancreas, suggesting it has various roles in tissue development and function.
1 citations,
February 2009 in “Journal of Investigative Dermatology” Lipase H is important for hair follicle function and shaping hair fibers.
36 citations,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
41 citations,
March 1998 in “Archives of Dermatological Research” The enzyme that changes testosterone to a stronger form is mostly found in the part of the hair follicle called the dermal papilla.
22 citations,
December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
11 citations,
September 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in the KRT71 gene causes a hair disorder by disrupting hair follicle structure and texture.
132 citations,
August 2008 in “Development” Dlx3 is essential for hair growth and regeneration.
3 citations,
July 2011 in “Folia Histochemica et Cytobiologica” Calcium reduces involucrin in rat hair bulbs but doesn't affect filaggrin and Kdap.
August 2024 in “Biomolecules & Therapeutics” A new compound, HTPI, promotes hair growth by protecting cells from damage and regulating energy use.
25 citations,
July 2008 in “British Journal of Dermatology” CD10 and CD34 levels change during hair development and different hair growth stages, which could be important for hair regeneration treatments.
94 citations,
February 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” EGF makes hair follicles grow longer but stops hair production.