Liver X receptor biology and pharmacology: new pathways, challenges and opportunities

Tomas Jakobsson1, Eckardt Treuter, Jan-Åke Gustafsson

  • 1Center for Biosciences, Department of Biosciences and Nutrition, Karolinska Institutet, S-14183 Stockholm, Sweden.

Insights

Liver X receptors (LXRs) regulate lipid metabolism and inflammation. Targeting LXRs offers potential for treating diverse diseases, including metabolic disorders and neurodegeneration.

Area of Science:

  • Molecular biology
  • Pharmacology
  • Genomics

Background:

  • Nuclear receptors (NRs) are crucial for biological homeostasis and drug development.
  • Liver X receptors (LXRs), specifically LXRα and LXRβ, are emerging drug targets within the NR family.
  • LXRs are nuclear oxysterol receptors regulating lipid/cholesterol metabolism and inflammation.

Purpose of the Study:

  • To review the current understanding of Liver X receptor (LXR) biology and pharmacology.
  • To highlight the molecular aspects of LXR signaling for therapeutic targeting.
  • To explore the potential of LXRs as drug targets for various diseases.

Main Methods:

  • Literature review of LXR signaling pathways.
  • Analysis of molecular mechanisms underlying LXR function.
  • Discussion of pharmacological strategies for LXR targeting.

Main Results:

  • LXRs control diverse pathways in development, reproduction, metabolism, immunity, and inflammation.
  • LXR targeting holds therapeutic potential for lipid disorders, atherosclerosis, inflammation, autoimmunity, cancer, and neurodegenerative diseases.
  • Recent advances focus on increasing LXR subtype and pathway selectivity for future drug development.

Conclusions:

  • LXRs are versatile regulators with significant therapeutic potential.
  • Understanding LXR molecular signaling is key to developing selective LXR-based drugs.
  • Targeting LXRs represents a promising strategy for a wide range of human diseases.

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