PXR: a center of transcriptional regulation in cancer

PXR: a center of transcriptional regulation in cancer
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PXR:癌症转录调控中心

DOI:
10.1016/j.apsb.2019.06.012
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发表时间:
2019-06
期刊:
APSB
影响因子:
--
通讯作者:
Yongdong Niu
Yongdong Niu
中科院分区:
其他
文献类型:
--
作者:
Yaqi Xing;Jiong Yan;Yongdong Niu

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孕烷 X 受体(PXR、NR1I2)是核受体超家族的典型成员。 PXR 可以被内生素和外源素激活。作为一种关键的外源性受体,PXR的细胞功能主要是通过其以配体依赖性方式与调控基因序列结合来发挥的。 PXR 的经典下游靶基因参与异生素反应,例如解毒、代谢和炎症。新的证据还表明 PXR 信号传导参与细胞凋亡、细胞周期停滞、增殖、血管生成和氧化应激过程,这些过程与癌症密切相关。在这里,除了 PXR 本身的表征外,我们还讨论了 PXR 信号在癌症中的生物学功能和调节机制,及其在靶向预防和治疗中的潜力。
Pregnane X receptor (PXR, NR1I2) 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 ligand-dependent 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 PXRper 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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