Yusuke Takizawa

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Ozone depletion leads to an increase in the ultraviolet-B (UV-B) component (280-315 nm) of solar ultraviolet radiation (UVR) reaching the surface of the Earth with important consequences for human health. Solar UVR has many harmful and some beneficial effects on individuals and, in this review, information mainly published since the previous report in 2003(More)
Tight junction (TJ) is composed of the most apical components of the intercellular junctional complex in epithelial cells; TJ has cell polarity and functions as a major determinant of epithelial barrier function. In this study, to clarify the components of TJ required for its reconstruction and functional acquisition, we examined the changes in intestinal(More)
Infection and inflammation suppress the expression and activity of several drug transporters in liver. In the intestine, P-glycoprotein (P-gp/MDR1), multidrug resistance-associated protein 2 (MRP2), and breast cancer resistance protein (BCRP) are important barriers to the absorption of many clinically important drugs. The expression and activity of these(More)
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