36 citations
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November 1990 in “The Journal of Dermatology” Dermal papillae enhance hair follicle growth and structure.
30 citations
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February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
28 citations
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March 2019 in “Journal of Dermatological Science” The document concludes that while lab results for hair growth promotion are promising, human trials are needed and better testing methods should be developed.
11 citations
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May 2016 in “Naunyn-Schmiedeberg's Archives of Pharmacology” A substance called 15-deoxy prostaglandin J2 can cause hair follicle cells to die, which might explain how prostaglandin D2 can lead to hair loss.
7 citations
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November 2022 in “Communications biology” Keratin injections can promote hair growth by affecting hair-forming cells and tissue development.
5 citations
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October 2020 in “Frontiers in Cell and Developmental Biology” Reducing FOXA2 in skin cells lowers their ability to grow hair.
4 citations
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January 1981 in “PubMed” Hair medullary cells in mammals vary in complexity, with humans having more structured cells similar to inner root sheath cells.
1 citations
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May 2017 in “InTech eBooks” Hair loss in Androgenetic alopecia (AGA) is due to altered cell sensitivity to hormones, not increased hormone levels. Hair growth periods shorten over time, causing hair to become thinner and shorter. This is linked to miscommunication between cell pathways in hair follicles. There's also a change in gene expression related to blood vessels and cell growth in balding hair follicles. The exact molecular causes of AGA are still unclear.
July 2024 in “Experimental Dermatology” AP collagen peptides help hair grow and improve hair health.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair follicles repair 3D injuries using a 2D healing process.
May 2019 in “Journal of Clinical Dermatology” Metformin helps hair growth by affecting cell signals related to hair follicle development.
April 2016 in “Journal of Investigative Dermatology” Autophagy, a cell recycling process, is crucial for prolonged hair growth and could be a potential target for treating hair growth disorders.
March 2007 in “Journal of Plastic Reconstructive & Aesthetic Surgery” A new method was developed to create better skin models for healing and reconstruction.
November 2020 in “Research Square (Research Square)” Keratin injections in mice can stimulate hair growth and might help treat hair loss.
198 citations
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November 1989 in “The Journal of Cell Biology” Keratin K14 expression varies between hair follicles and epidermis, affecting cell differentiation.
29 citations
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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.
12 citations
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May 2013 in “International Journal of Molecular Sciences” Stem cells from elderly skin can become neurons, offering potential for brain therapy.
10 citations
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December 2021 in “Frontiers in cell and developmental biology” Glypican-1 is important for blood vessel growth in hair follicles and could help treat hair loss.
2 citations
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November 2017 in “Histochemistry and Cell Biology” Polyamines are abundant in certain parts of rat hair follicles and may play a key role in hair growth.
1 citations
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December 2015 in “Journal of the Medical Sciences (Berkala Ilmu Kedokteran)” Transplanting melanocyte stem cells from hair follicles can effectively treat vitiligo.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Tet1, Tet2, and Tet3 are important for the development of hair follicles and determining hair shape by controlling hair keratin genes.
990 citations
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October 1999 in “Development” Activated LEF/TCF complexes are crucial for hair development and cycling.
248 citations
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April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
171 citations
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July 2007 in “Journal of Investigative Dermatology” A substance called DKK-1 increases in balding areas and causes hair cells to die when exposed to DHT.
95 citations
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July 2006 in “British Journal of Dermatology” Vitamin D receptors in hair follicles change with the hair cycle, affecting hair growth.
70 citations
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May 2008 in “The journal of investigative dermatology/Journal of investigative dermatology” Notch/RBP-J signaling is crucial for proper placement and timing of melanocyte development in hair follicles.
67 citations
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August 2013 in “International Journal of Cosmetic Science” Hair greying is caused by oxidative stress damaging hair follicles and melanocytes.
65 citations
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February 1992 in “Development” Type II keratin genes are crucial for hair follicle differentiation and have a conserved structure and expression pattern.
57 citations
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April 2009 in “Differentiation” SDF-1/CXCL12 and its receptor CXCR4 are crucial for melanocyte movement in mouse hair follicles.
46 citations
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January 1996 in “Journal of The American Academy of Dermatology” People with late-stage HIV-1 often experience a specific type of hair loss linked to multiple factors, including nutritional issues and immune responses.