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Related Experiment Videos

Beyond CAR and PXR.

Santosh G Dixit1, Rommel G Tirona, Richard B Kim

  • 1College of Pharmacy, University of Cincinnati Medical Center, Ohio, USA.

Current Drug Metabolism
|August 17, 2005
PubMed
Summary
This summary is machine-generated.

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Nuclear receptors (NRs) regulate genes critical for drug metabolism and transport. Understanding these NRs, including PXR and CAR, is key to improving drug therapy and patient response.

Area of Science:

  • Pharmacology
  • Molecular Biology
  • Genetics

Background:

  • Gene expression for drug disposition is controlled by nuclear receptors (NRs).
  • Ligand-activated NRs like PXR and CAR are crucial for understanding xenobiotic metabolism.
  • Orphan and adopted orphan NRs also play significant roles in regulating drug disposition genes.

Purpose of the Study:

  • To review the biology, pathophysiology, and clinical relevance of NRs in drug disposition.
  • To highlight the role of NRs in controlling drug transporters and metabolic enzymes.
  • To discuss the impact of NRs on drug response and therapy.

Main Methods:

  • Literature review of studies on nuclear receptors and drug disposition.
  • Analysis of gene regulation by various NR families.

Related Experiment Videos

  • Discussion of clinical implications of NR research.

    • Main Results:

    • NRs, including PXR, CAR, FXR, PPAR, and HNF, are key transcriptional regulators of drug disposition genes.
    • These NRs exhibit overlapping ligand specificities and regulate multiple targets.
    • NRs contribute to tissue- and organ-specific expression of drug disposition genes.

    Conclusions:

    • NRs are central to drug disposition and response.
    • Further research into NR biology and pathophysiology can lead to improved drug therapies.
    • Understanding NR-mediated gene regulation is vital for personalized medicine.