163 citations,
March 2012 in “BMC biology” Stem cell niches support, regulate, and coordinate stem cell functions.
162 citations,
August 2002 in “Survey of Ophthalmology” Latanoprost can make eyelashes longer, thicker, and darker.
159 citations,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
158 citations,
August 2011 in “Reviews in endocrine and metabolic disorders” Vitamin D and its receptor regulate skin functions like cell growth, immunity, hair cycle, and tumor prevention.
157 citations,
April 1994 in “Clinical endocrinology” Androgens can cause hair growth in some areas and hair loss on the scalp.
156 citations,
August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
155 citations,
May 2016 in “Nature communications” Memory T cells in the skin balance staying put and moving into the blood, clustering around hair follicles, and increasing in number after infection.
155 citations,
August 2003 in “Journal Of Experimental Zoology Part B: Molecular And Developmental Evolution” Understanding hair growth involves complex interactions between molecules and could help treat hair disorders.
151 citations,
November 2018 in “International Journal of Pharmaceutics” Nanoparticles improve drug delivery through the skin but more research is needed on their long-term effects and skin penetration challenges.
150 citations,
October 2010 in “The American Journal of Pathology” The document concludes that more research is needed to better understand and treat primary cicatricial alopecias, and suggests a possible reclassification based on molecular pathways.
143 citations,
September 2008 in “Experimental gerontology” Skin aging is due to impaired stem cell mobilization or fewer responsive stem cells.
141 citations,
November 2005 in “International journal of pharmaceutics” Hair follicles may soon be used more for targeted and systemic drug delivery.
139 citations,
July 1991 in “Journal of The American Academy of Dermatology” Understanding hair follicle anatomy helps diagnose hair disorders.
137 citations,
April 2015 in “Nature Reviews Molecular Cell Biology” Different types of stem cells with unique roles exist in blood, skin, and intestines, and this variety is important for tissue repair.
137 citations,
July 2004 in “Journal of The American Academy of Dermatology” Horizontally sectioned scalp biopsies are more reliable for diagnosing hair loss in women when three samples are taken instead of one.
133 citations,
September 2013 in “Nature Reviews Molecular Cell Biology” Different types of stem cells and their environments are key to skin repair and maintenance.
132 citations,
January 2017 in “International Journal of Molecular Sciences” Fat-derived stem cells show promise for skin repair and reducing aging signs but need more research for consistent results.
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.
128 citations,
March 2006 in “American Journal of Pathology” Prolactin contributes to hair loss by promoting hair follicle shrinkage and cell death.
127 citations,
December 2005 in “Experimental Dermatology” Stress can stop hair growth in mice, and treatments can reverse this effect.
120 citations,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
117 citations,
November 2006 in “Experimental Dermatology” The article concludes that the wool follicle is a valuable model for studying tissue interactions and has potential for genetic improvements in wool production.
116 citations,
September 2001 in “Journal of The American Academy of Dermatology” Hair loss occurs due to fewer papillary cells, smaller follicles, and shorter growth phases.
115 citations,
November 2004 in “Brain Behavior and Immunity” Stress increases nerve fibers and immune cell activity in mouse skin, possibly worsening skin conditions.
112 citations,
July 1998 in “Journal of Investigative Dermatology” Ruby laser pulses best destroy hair follicles during the growth phase and effectiveness varies with laser intensity; melanin is key for targeting, and timing treatments can improve results.
109 citations,
December 1998 in “The Journal of Dermatology” Manipulating the catagen and telogen phases of hair growth could lead to treatments for hair disorders.
107 citations,
December 2013 in “International Journal of Dermatology” The document concludes that hair is complex, with a detailed growth cycle, structure, and clinical importance, affecting various scientific and medical fields.
101 citations,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
100 citations,
April 2010 in “Expert Opinion on Pharmacotherapy” Hair loss in men treated best with early medication or transplant, new treatments researched.
98 citations,
July 2014 in “Trends in Molecular Medicine” Hair follicles are hormone-sensitive and involved in growth and other functions, with potential for new treatments, but more research is needed.