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Updated: May 1, 2026

Murine Precision-Cut Liver Slices as an Ex Vivo Model of Liver Biology
Published on: March 14, 2020
Natural modulators of liver X receptors
1School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China;
Abstract:
Nuclear receptor transcription factors are ligand-activated proteins that control various biological events from cell growth and development to lipid metabolism, and energy and glucose homeostasis. Nuclear receptors are important drug targets for metabolic diseases. Liver X receptors (LXRs) are nuclear receptor transcription factors that play essential roles in regulation of cholesterol, triglyceride, fatty acid, and glucose homeostasis. LXR-deficient mice have shown the association of LXR-signaling pathway dysfunction with several human pathologies including atherosclerosis, hyperlipidemia, Alzheimer's disease and cancer. Thus, LXRs are promising pharmacological targets for these diseases. Synthetic LXR agonists may lower cholesterol, but increase triglyceride and induce fatty liver. The naturally occurring LXR ligands, with moderate activity, may serve as nutraceuticals for prevention or treatment of the disorders, while minimizing potential side effects. In this review, recent advances in natural LXR modulators are summarized including agonist, antagonist and the modulator of LXR pathway.
Insights
Natural Liver X receptor (LXR) modulators show promise as nutraceuticals for metabolic diseases. These compounds offer a safer alternative to synthetic agonists, potentially preventing or treating conditions like atherosclerosis and Alzheimer's disease with fewer side effects.
Area of Science:
- Molecular Biology
- Metabolic Research
- Pharmacology
Background:
- Nuclear receptors, including Liver X receptors (LXRs), regulate critical biological processes like lipid and glucose metabolism.
- Dysfunction in LXR signaling is linked to human diseases such as atherosclerosis, hyperlipidemia, Alzheimer's disease, and cancer.
- LXRs are recognized as significant therapeutic targets for metabolic disorders.
Purpose of the Study:
- To review recent advancements in natural modulators of Liver X receptors (LXRs).
- To explore the potential of natural LXR ligands as nutraceuticals for disease prevention and treatment.
- To compare the therapeutic potential and side effect profiles of natural versus synthetic LXR modulators.
Main Methods:
- Literature review of recent research on natural LXR ligands.
- Analysis of studies investigating LXR agonists, antagonists, and pathway modulators.
- Evaluation of the efficacy and safety of natural LXR modulators in preclinical models.
Main Results:
- Synthetic LXR agonists can effectively lower cholesterol but may lead to adverse effects like increased triglycerides and fatty liver.
- Naturally occurring LXR ligands exhibit moderate activity, suggesting a potential for therapeutic use with a reduced side effect profile.
- Natural modulators encompass agonists, antagonists, and other agents influencing the LXR pathway.
Conclusions:
- Natural LXR modulators represent a promising avenue for nutraceutical development.
- These compounds offer a potentially safer therapeutic strategy for metabolic diseases compared to synthetic LXR agonists.
- Further research into natural LXR modulators could lead to novel preventative and treatment options for various pathologies.
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