4 citations,
January 2011 in “Cell stem cell” Hair follicle stem cells can return to their original niche and help regenerate hair.
January 2024 in “Biological & pharmaceutical bulletin” Panax ginseng extract helps human hair grow by encouraging growth phase transition and cell proliferation while reducing certain protein expression.
6 citations,
December 2018 in “The American Journal of Dermatopathology” Early shedding of the inner root sheath in noninflamed hair follicles is a relatively specific sign of Central Centrifugal Cicatricial Alopecia.
May 2022 in “Research Square (Research Square)” Nestin marks cells that can become a specific type of skin cell in hair follicles of both developing and adult mice.
14 citations,
January 2017 in “Pharmacological Reports” TP0427736 may help treat hair loss by blocking a specific protein and promoting hair growth.
October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
8 citations,
August 2014 in “Biochemical and Biophysical Research Communications” The study investigated the role of ornithine decarboxylase (ODC) in skin carcinogenesis by using genetically modified mice to direct ODC expression to specific epidermal compartments. It was found that K6-driven ODC over-expression in the outer root sheath of hair follicles significantly increased tumorigenesis compared to K14-driven ODC expression in inter-follicular epidermal keratinocytes. Mice with K6-ODC expression developed an average of 15 tumors per mouse, while K14-ODC mice developed 6.8 tumors per mouse. The K6-ODC mice also showed higher UVB-induced proliferation, pro-inflammatory responses, and a greater number of stem-like cells, with reduced Notch1 expression linked to stem cell expansion. The study concluded that ODC enhances tumorigenesis by negatively regulating the Notch pathway, leading to an expansion of the stem cell compartment.
51 citations,
July 2013 in “Bioorganic & Medicinal Chemistry Letters” Compounds from Polygonum multiflorum root, especially a new one, can boost hair growth more effectively than common treatments.
25 citations,
December 1973 in “Biochemical Journal” This study focused on characterizing the proteins in guinea-pig hair and hair-follicle tissue to understand protein synthesis in hair follicles. Five groups of reduced carboxymethylated proteins were identified, with group 1B proteins being unique to the follicle, likely originating from the medulla and inner-root-sheath layers. Most hair and follicle proteins shared similar properties, but quantitative differences were observed: follicle extracts had more group 2 proteins and fewer group 3 and 4 proteins compared to hair extracts. Additionally, follicle group 4 proteins had more low molecular weight proteins and fewer high molecular weight proteins than hair group 4 proteins. These differences were analyzed in the context of keratin protein synthesis, with group 1B proteins potentially being precursors to mature medulla and inner root sheath proteins.
30 citations,
June 1993 in “The Journal of Cell Biology” In this study, researchers investigated the effects of a mutant Adenovirus E1a oncoprotein, NTdl646, on keratinocyte growth and differentiation in transgenic mice. The protein was expressed specifically in the skin using a keratin 5 promoter, resulting in two lines of mice with abnormal hair phenotypes, including short, crooked hair shafts and dystrophic or absent inner root sheaths. Despite these hair follicle maturation disturbances, the interfollicular epidermis remained normal, and there was no increase in spontaneous or chemically induced skin tumors. The study concluded that while the transgene disrupted keratinocyte maturation, it did not lead to increased epidermal proliferation or neoplastic growth.
22 citations,
December 2013 in “Molecular biology of the cell” ILK is essential for proper hair follicle development and structure.
14 citations,
April 2021 in “International journal of molecular sciences” Mesenchymal stem cells may help treat hair loss by improving hair cell growth and reducing inflammation.
210 citations,
May 2006 in “The FASEB journal” Oxidative stress causes hair to gray by damaging and killing pigment cells.
63 citations,
September 2009 in “Regenerative Medicine” Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.
40 citations,
November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” S100A3 protein is crucial for hair shaft formation in mice.
30 citations,
February 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Plet-1 protein helps hair follicle cells move and stick to tissues.
27 citations,
January 2006 in “Colloids and Surfaces B: Biointerfaces” Researchers found that bulge cells from human hair can grow quickly in culture and have properties of hair follicle stem cells, which could be useful for skin treatments.
21 citations,
April 2018 in “Journal of Dermatological Science” Cilostazol helps hair grow by making hair root cells grow faster and changing growth factor levels.
14 citations,
January 2018 in “Scientific reports” Bioluminescence imaging can track hair follicle cells and help study hair regrowth.
13 citations,
March 2012 in “The Journal of Dermatology” Hair transplant surgery can rebuild muscle and nerve connections, allowing transplanted hairs to stand up like normal hairs.
12 citations,
October 2017 in “Radiation Research” mTORC1 signaling needed for quick hair follicle recovery after radiation damage.
1 citations,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
1 citations,
July 2016 in “Livestock science” Nerve growth factor helps cashmere goat hair cells grow and is more active during the hair growth phase.
The document concludes that activating hair roots is important for improving hair growth and preventing hair loss.
January 2022 in “Food Science and Technology” The herbal mixture could potentially improve hair loss.
April 2018 in “Journal of Investigative Dermatology” Glycogen metabolism is important for energy and processes in human hair follicles, and hair follicles may produce glucose from lactate.
September 2016 in “Journal of dermatological science” The OVOL1-OVOL2 axis is important for hair follicle differentiation and can help diagnose certain hair-related tumors.
17 citations,
February 2015 in “International Journal of Molecular Sciences” A special mix from certain skin cells can help hair grow by making hair root cells grow faster and activating growth signals.
2 citations,
July 1999 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Proteolytic enzymes damaged hair follicle stem cells in transgenic mice.
Activating certain hair follicle cells could prevent hair loss from cancer treatments.