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Biology of PXR: role in drug-hormone interactions
#MMPMID26417296
Wang J
; Dai S
; Guo Y
; Xie W
; Zhai Y
EXCLI J
2014[]; 13
(?): 728-39
PMID26417296
show ga
Hormonal homeostasis is essential for a variety of physiological and pathological
processes. Elimination and detoxification of xenobiotics, such as drugs
introduced into the human body, could disrupt the balance of hormones due to the
induction of drug metabolizing enzymes (DMEs) and transporters. Pregnane X
receptor (PXR, NR1I2) functions as a master xenobiotic receptor involved in drug
metabolism and drug-drug interactions by its coordinated transcriptional
regulation of phase I and phase II DMEs and transporters. Recently, increasing
evidences indicate that PXR can also mediate the endocrine disruptor function and
thus impact the integrity of the endocrine system. This review focuses primarily
on the recent advances in our understanding of the function of PXR in
glucocorticoid, mineralocorticoid, androgen and estrogen homeostasis. The
elucidation of PXR-mediated drug-hormone interactions might have important
therapeutic implications in dealing with hormone-dependent diseases and safety
assessment of drugs.