479 citations,
January 2005 in “BioEssays” Hair follicle development is controlled by interactions between skin tissues and specific molecular signals.
450 citations,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
417 citations,
September 2005 in “PLoS biology” Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.
417 citations,
March 1991 in “American Journal of Psychiatry” Most adult chronic hair pullers are women who started in their early teens, often have other mental health issues, and may pull hair due to underlying psychiatric conditions.
414 citations,
August 2005 in “Nature” Activating TERT in mice skin boosts hair growth by waking up hair follicle stem cells.
405 citations,
January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
397 citations,
February 2004 in “British Journal of Dermatology” Minoxidil boosts hair growth by opening potassium channels and increasing cell activity.
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.
375 citations,
February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
370 citations,
September 1999 in “The New England Journal of Medicine” Finasteride and minoxidil are effective for hair loss, but continued research is needed for better treatments.
330 citations,
December 2009 in “Cell stem cell” SKPs are similar to adult skin stem cells and could help in skin repair and hair growth.
321 citations,
December 2009 in “Journal of Dermatological Science” Dermal cells are key in controlling hair growth and could potentially be used in hair loss treatments, but more research is needed to improve hair regeneration methods.
316 citations,
June 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Microspheres about 1.5 micrometers in size can best penetrate hair follicles, potentially reaching important stem cells.
314 citations,
April 2010 in “Developmental Cell” β-catenin in the dermal papilla is crucial for normal hair growth and repair.
305 citations,
June 2012 in “Nature” Hair regeneration needs dynamic cell behavior and mesenchyme presence for stem cell activation.
300 citations,
August 2012 in “Seminars in Cell & Developmental Biology” The conclusion is that certain cell interactions and signals are crucial for hair growth and regeneration.
291 citations,
October 2005 in “Proceedings of the National Academy of Sciences of the United States of America” Adult stem cells from rat whisker follicles can regenerate hair follicles and sebaceous glands.
286 citations,
June 2012 in “Nature Immunology” Hair follicles help attract immune cells to the skin during stress.
271 citations,
March 1999 in “Developmental biology” The research shows that a gene called Wnt3 affects hair growth and structure, causing short hair and balding when overactive.
270 citations,
March 2012 in “Dermatologic Surgery” Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.
260 citations,
June 2011 in “Cell” Wnt signaling is crucial for pigmented hair regeneration by controlling stem cell activation and differentiation.
254 citations,
January 2007 in “Chemical Society Reviews” Hair is a complex protein fiber with unique properties useful for developing hair products.
253 citations,
December 2007 in “Journal of Investigative Dermatology” Hair follicles prevent NK cell attacks to avoid hair loss.
245 citations,
October 2015 in “Nature medicine” Hair follicle-derived IL-7 and IL-15 are crucial for maintaining skin-resident memory T cells and could be targeted for treating skin diseases and lymphoma.
242 citations,
February 2016 in “Science” Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.
240 citations,
April 2011 in “Pigment Cell & Melanoma Research” Melanocyte stem cells in hair follicles are key for hair color and could help treat greying and pigment disorders.
236 citations,
July 2001 in “Trends in Molecular Medicine” Future hair loss treatments should aim to extend hair growth, reactivate resting follicles, reverse shrinkage, and possibly create new follicles, with gene therapy showing promise.
235 citations,
January 2011 in “Journal of Clinical Investigation” Men with baldness due to androgenetic alopecia still have hair stem cells, but lack specific cells needed for hair growth.
235 citations,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
234 citations,
November 2009 in “American journal of human genetics” Common variants in the Trichohyalin gene are linked to straight hair in Europeans.