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We previously reported that impaired retinoid signaling causes hepatocellular carcinoma (HCC) through oxidative stress. However, the interaction between oxidative stress and retinoid signaling has not been fully understood. To address this issue, the effects of hydrogen peroxide on the transcriptional activity of RAR/RXR heterodimers, RARα and RXRα proteins and intracellular signaling pathways were...
Objective and design To clarify the molecular mechanism of polyenylphosphatidylcholine (PPC), we examined the involvement of reactive oxygen species (ROS) and NADPH oxidase 4 (Nox4) in human hepatic stellate cells (HSCs). Material Using human LX-2 HSC cells, we examined the effects of PPC on expression of α-smooth muscle actin (α-SMA) and collagen 1, generation of ROS, Nox4 expression, p38 activation...
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