The biology of melanocyte and melanocyte stem cell
نویسندگان
چکیده
منابع مشابه
The biology of melanocyte and melanocyte stem cell.
The melanocyte stem cells of the hair follicle provide an attractive system for the study of the stem cells. Successful regeneration of a functional organ relies on the organized and timely orchestration of molecular events among distinct stem/progenitor cell populations. The stem cells are regulated by communication with their specialized microenvironment known as the niche. Despite remarkable...
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Epidermal stem cells have become an object of intensive research. The epidermis constitutes one of the main sources of stem cells and is a tissue of choice for use in exploring their biology. Stratified squamous epithelium (epidermis) possesses the capacity for self-renewal and repair due to the presence of epidermal stem cells (ESC). They have been identified within basal layer of the int...
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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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Pigmentation of mammalian hairs is mediated by specialized pigment-producing cells referred as melanocytes. Hair pigmentation is tightly linked with hair regeneration cycles, where melanocytes proliferate and differentiate during the hair growth phase, but depleted by apoptosis during the regression phase. This periodical appearance of melanocytes is maintained by a small pool of immature stem ...
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Recent studies suggest that extrafollicular dermal melanocyte stem cells (MSCs) persist after birth in the superficial nerve sheath of peripheral nerves and give rise to migratory melanocyte precursors when replacements for epidermal melanocytes are needed on the basal epidermal layer of the skin. If a damaged MSC or melanocyte precursor can be shown to be the primary origin of melanoma, target...
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ژورنال
عنوان ژورنال: Acta Biochimica et Biophysica Sinica
سال: 2014
ISSN: 1672-9145,1745-7270
DOI: 10.1093/abbs/gmt145