Pharmacologic manipulation of skin pigmentation
نویسندگان
چکیده
منابع مشابه
Pigmentation in Human Skin
Topica! tyrosine has been proposed as a tanning accelerator because tyrosine is a precursor of melanin. We tested formulations containing O, 1, and 2% L-tyrosine topically on 14 individuals daily for 28 days. Percutaneous absorption using "C tyrosine was 1.23% in 24 hr. No enhanced pigmentation was clinically evident in any of the subjects. In this study, we were unable to demonstrate that topi...
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Visible pigmentation of the skin, hair, and eyes depends primarily on the functions of melanocytes, a very minor population of cells that specialize in the synthesis and distribution of the pigmented biopolymer melanin. Melanocytes are derived from precursor cells (called melanoblasts) during embryological development, and melanoblasts destined for the skin originate from the neural crest. The ...
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the appendage biopsy results failed to give any indication of prognosis. In two of our cases the comment had been made at the first operation that " it would not be surprising if the rheumatic process were still active," and in these two cases the appendage biopsies showed numerous Aschoff bodies suggesting continued rheumatic activity. Another patient had several attacks of subacute rheumatism...
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MicroRNAs (miRNAs) are endogenous small non-coding RNAs that play crucial roles in numerous biological processes. However, the role of miRNAs in skin color determination in fish has not been completely determined. Here, we identified that 13 miRNAs are differentially expressed between red and white skin. The analysis of miRNA spatial and temporal expression patterns suggests that miR-429 is a p...
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An objective method of measurement of a human skin pigmentation based on different reflections of visual light is proposed. The white light source lights up å segment of a skin that reflects specific vawes spectrum. It is possible to measure this normally by using spectroscoping methods I1l. In our method the Panasonic handy camcorder A3 was used for recording a selected segrnent of the skin to...
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ژورنال
عنوان ژورنال: Pigment Cell & Melanoma Research
سال: 2021
ISSN: 1755-1471,1755-148X
DOI: 10.1111/pcmr.12969