Pregnane X receptor(PXR,NR 112)is a prototypical member of the nuclear receptor superfamily.PXR can be activated by both endobiotics and xenobiotics.As a key xenobiotic receptor,the cellular function of PXR is mostly exerted by its binding to the regulatory gene sequences in a liganddependent manner.Classical downstream target genes of PXR participate in xenobiotic responses,such as detoxification,metabolism and inflammation.Emerging evidence also implicates PXR signaling in the processes of apoptosis,cell cycle arrest,proliferation,angiogenesis and oxidative stress,which are closely related to cancer.Here,we discussed,in addition to the characterization of PXR per se,the biological function and regulatory mechanism of PXR signaling in cancer,and its potential for the targeted prevention and therapeutics.
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机译：molecular conservation of estrogen-response associated with cell cycle regulation, hormonal carcinogenesis and cancer in zebrafish and human cancer cell lines
