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.
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.
148 citations,
December 2018 in “Journal of autoimmunity” Alopecia areata is an autoimmune disease causing patchy hair loss, often with other autoimmune disorders, but its exact causes are unknown.
139 citations,
December 2020 in “Cell Stem Cell” Male hormones affect COVID-19 severity and certain drugs targeting these hormones could help reduce the risk.
138 citations,
June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
137 citations,
September 2005 in “Proceedings of the National Academy of Sciences of the United States of America” The HR protein helps hair grow by blocking a hair growth inhibitor, aiding in hair follicle regeneration.
137 citations,
June 2005 in “Climacteric” Estrogen loss during menopause worsens skin health, but hormone replacement therapy may improve it, though more research is needed.
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.
134 citations,
January 2011 in “Development” Adam10 enzyme is crucial for healthy skin and proper Notch signaling.
134 citations,
January 2010 in “Biomedical research” Low oxygen conditions increase the hair-growing effects of substances from fat-derived stem cells by boosting growth factor release.
131 citations,
July 2009 in “Experimental Dermatology” The document concludes that specific cells are essential for hair growth and more research is needed to understand how to maintain their hair-inducing properties.
130 citations,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
130 citations,
September 2018 in “Cell Reports” Macrophages help heal nerves by aiding the maturation of Schwann cells and are important for nerve repair.
128 citations,
August 2015 in “Cell Stem Cell” Damage to skin releases dsRNA, which activates TLR3 and helps in skin and hair follicle regeneration.
127 citations,
January 2015 in “Journal of Biological Rhythms” The skin's internal clock affects healing, cancer risk, aging, immunity, and hair growth, and disruptions can harm skin health.
126 citations,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
125 citations,
August 2020 in “Frontiers in Immunology” Men generally have more severe COVID-19 cases and higher death rates than women due to biological differences.
125 citations,
September 2019 in “Journal of Clinical Immunology” Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.
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.
119 citations,
July 2016 in “Annals of the New York Academy of Sciences” Vitamin D has potential benefits for cancer prevention, heart health, diabetes, obesity, muscle function, skin health, and immune function, but clinical results are mixed and more research is needed.
119 citations,
October 2011 in “Journal of Veterinary Internal Medicine” Rhodococcus equi causes severe pneumonia in young foals, and effective vaccines are needed due to foals' weak immune responses.
118 citations,
October 2013 in “Trends in Genetics” The AUTS2 gene is linked to neurological disorders and may affect human brain development and cognition.
117 citations,
March 2017 in “Nature Communications” Macrophages help regrow hair by activating stem cells using AKT/β-catenin and TNF.
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,
August 2010 in “Nature” Scientists turned rat thymus cells into stem cells that can help repair skin and hair.
115 citations,
September 2012 in “Experimental Dermatology” Androgens have complex effects on hair growth, promoting it in some areas but causing hair loss in others, and our understanding of this is still evolving.
113 citations,
July 2020 in “Communications biology” Men, especially older ones with health issues like prostate cancer, may have worse COVID-19 outcomes and could benefit from therapies targeting male hormones.
108 citations,
February 2008 in “The Journal of urology/The journal of urology” Inhibiting 5α-reductase can help reduce prostate cancer risk and improve treatment.
106 citations,
October 2016 in “Cell Stem Cell” PDGFA/AKT signaling is important for the growth and maintenance of certain skin fat cells.
106 citations,
March 2014 in “BioEssays” We need more research to better understand human hair follicle stem cells for improved treatments for hair loss and skin cancer.