840 Aberrant differentiation as a novel mechanism for lentigines and hair graying
نویسندگان
چکیده
منابع مشابه
Melanocyte Stem Cell Maintenance and Hair Graying
Hair graying is an obvious sign of human aging, yet little was known about its causes. Two recent papers provide compelling evidence that hair graying is due to incomplete melanocyte stem cell maintenance and identify Pax3 and Mitf as key molecules that help regulate the balance between melanocyte stem cell maintenance and differentiation.
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AIMS To determine if there is a significant association between premature hair graying and cigarette smoking. MATERIALS AND METHODS A cross-sectional observational study was conducted in a nonclinical setting on 207 participants on August 24 until 25, 2010. Participants were classified into two groups [premature hair graying (PHG) and normal hair graying]. PHG was defined as the first appeara...
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Despite Polygonum multiflorum (PM) has been experiencely used as a drug to treat early graying hair phenomenon in Asian countries for a long time, there is limited study examined the real biological effects of PM on hair graying in vitro and in vivo. In this study, we investigated the effects of PM root extract (PM-RE) on melanin synthesis in human melanoma SKMEL-28 cells and embryos/larvae of ...
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Intricate coordinated mechanisms that govern the synchrony of hair growth and melanin synthesis remain largely unclear. These two events can be uncoupled in prematurely gray hair, probably due to oxidative insults that lead to the death of oxidative stress-sensitive melanocytes. In this study, we examined the gene expression profiles of middle (bulge) and lower (hair bulb) segments that had bee...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 2019
ISSN: 0022-202X
DOI: 10.1016/j.jid.2019.03.916