As skin tans, it darkens to protect itself against harmful ultraviolet (UV) radiation, but the increasing pigment blocks vitamin D synthesis, limiting the skin's ability to produce more vitamin D, a new study from Brazil ...
Apr 3, 2016
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The skin is constantly challenged, and very often harmed, by environmental stressors such as UV radiation and chemicals. To cope with UV radiation, various skin cells have evolved a complex protective antioxidant defense ...
Feb 18, 2015
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Summer, sun and the sea – a dream vacation for most - can turn sour for those affected by lupus erythematosus. For them, absorption of the UV-light component in sunlight may cause florid inflammation and redness of the ...
Aug 29, 2013
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As the outermost layer of skin, epidermis is crucial in forming a permeability barrier and protection against various environmental agents. Thus, investigating the biology of its most important cell type, the keratinocyte, ...
Jul 2, 2013
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Ribonucleotide reductase (RR) is a target metabolic enzymes for cancer therapy. Few studies have described the correlation between RRM2 and the development of colorectal cancer. And the possible mechanism by which RRM2 mediates ...
Sep 18, 2012
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Johbu Itoh at the Tokai University School of Medicine in Japan has developed a new and highly effective cancer therapy method where cancer cells are irradiated with ultraviolet C (UVC) light. The new method employs high intensity-UVC ...
Aug 22, 2012
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