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High serum levels of p-cresol have been associated with cardiovascular diseases. This study investigated the effects of p-cresol on gap junctions in neonatal cultured cardiomyocytes. p-Cresol reduced the spontaneous contraction rates of cardiomyocytes, and caused irregular cardiomyocyte beating. Junctional connexin 43 (Cx43) plaques became smaller in size(More)
Hypoxia leads to reactive oxygen species (ROS) imbalance, which is proposed to associate with drug resistance and oncogenesis. Inhibition of enzymes of antioxidant balancing system in tumor cells was shown to reduce chemoresistance under hypoxia. However, the underlying mechanism remains unknown. The key regulator of antioxidant balancing system is nuclear(More)
BACKGROUND Glioma is the most malignant tumor of the central nervous system. Efforts on the development of new chemotherapy are mandatory. Andrographolide (AND), a diterpenoid lactone isolated from the Andrographis paniculata, has been shown to have antitumor activities in several types of cancer cells. Whether AND can exert its antitumor activity in(More)
Daidzein, a phytoestrogen found in isoflavone, is known to exert neurotrophic and neuroprotective effects on the nervous system. Using primary rat dorsal root ganglion (DRG) neuronal cultures, we have examined the potential neurite outgrowth effect of daidzein. Dissociated dorsal root ganglia (DRG) cultures were used to study the signaling mechanism of(More)
Cordycepin, 3'-deoxyadenosine from Cordyceps sinensis, has been shown to exert anti-tumor effects in several cancer cell lines. This study investigated the effect of cordycepin on a rat glioma cell line. Cordycepin caused apoptosis in C6 glioma cells in a time- and concentration-dependent manner, but did not affect the survival of primary cultured rat(More)
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