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- W2093642012 abstract "Artemisinin has been used to treat malaria for centuries in the context of traditional Chinese medicine. In the present study, the effects of artemisinin on pregnane X receptor (PXR)-mediated CYP3A expression and its therapeutic role in inflammatory bowel disease were investigated. LS174T cells exposed to artemisinin at various concentrations and for different periods of time were examined with respect to the specific induction of CYP3A4 and PXR mRNA expression. Transient transfection experiments showed transcriptional activation of the CYP3A4 gene through artemisinin to be PXR-dependent. An electrophoretic-mobility shift assay (EMSA) showed that artemisinin activates the DNA-binding capacity of the PXR for the CYP3A4 element. These results indicate that the induction of CYP3A4 by artemisinin is mediated through the activation of PXR. Using animal models, it was demonstrated that artemisinin abrogates dextran sulfate sodium (DDS)-induced intestinal inflammation. Preadministration of artemisinin ameliorated the clinical hallmarks of colitis in DSS-treated mice as determined by body weight loss and assessment of diarrhea, rectal bleeding, colon length, and histology. Artemisinin was found to prevent or reduce the severity of colonic inflammation by inducing CYP3A expression by activation of PXR." @default.
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- W2093642012 date "2014-09-01" @default.
- W2093642012 modified "2023-10-13" @default.
- W2093642012 title "Artemisinin protects against dextran sulfate-sodium-induced inflammatory bowel disease, which is associated with activation of the pregnane X receptor" @default.
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- W2093642012 doi "https://doi.org/10.1016/j.ejphar.2014.04.050" @default.
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