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Liver X Receptor (LXR) Signaling in Neurodegeneration

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mechanism2521 wordssynced 2026-04-02

Liver X Receptor (LXR) Signaling in Neurodegeneration

Liver X receptors (LXRs) are nuclear receptors that function as cholesterol sensors and regulate lipid metabolism, inflammatory responses, and cellular homeostasis. LXR signaling has emerged as an important pathway in neurodegenerative diseases, with therapeutic potential for Alzheimer's disease (AD), Parkinson's disease (PD), and related disorders[@wang2021]. PMID: 41314477

LXRs (LXRα/NR1H3 and LXRβ/NR1H2) are ligand-activated transcription factors that regulate gene expression in response to oxysterols and other endogenous ligands. Their role in brain cholesterol homeostasis and neuroinflammation makes them attractive therapeutic targets. PMID: 40695410

graph TD A["LXR Activation"] --> B["Cholesterol Efflux"] A --> C["Anti-inflammatory Response"] A --> D["Lipid Metabolism"] A --> E["Neuroprotection"] B --> B1["ABCA1 Expression"] B --> B2["ABCG1 Expression"] B --> B3["ApoE Processing"] C --> C1["NF-kappaB Inhibition"] C --> C2["Cytokine Reduction"] C --> C3["Microglial Modulation"] D --> D1["Fatty Acid Metabolism"] D --> D2["Lipid Droplet Regulation"] D --> D3["Membrane Lipid Composition"] E --> E1["Synaptic Protection"] E --> E2["Axon Maintenance"] E --> E3["Neuronal Survival"] B1 --> F["Abeta Clearance"] B2 --> F B3 --> F C1 --> G["Reduced Neuroinflammation"] C2 --> G E1 --> H["AD/PD Protection"] E2 --> H E3 --> H

LXR Biology and Function

LXR Subtypes


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