Target intelligence / Profile preview

Apolipoprotein E2 (ApoE2)

Target
ApoE2
Molecular classification
Apolipoprotein, Lipoprotein component
01

Overview

Apolipoprotein E2 (ApoE2) is one of three major isoforms of apolipoprotein E, a protein involved in lipid metabolism and transport. ApoE2 exhibits reduced binding affinity for the LDL receptor compared to other isoforms, affecting lipoprotein clearance and influencing the risk of Alzheimer's disease and type III hyperlipoproteinemia.

Other names
Apolipoprotein E isoform Epsilon 2APOE2Apo-E2
02

Mechanism of action

Modulates lipid transport and clearance by binding to lipoprotein receptors and heparan sulfate proteoglycans.

03

Biological functions

Lipid transportLipid metabolismCholesterol transportTriglyceride transportAmyloid-beta clearanceReelin signalingMicroglial function
04

Disease associations

Alzheimer's diseaseType III hyperlipoproteinemiaCardiovascular diseaseTauopathiesCerebrovascular disordersCerebral amyloid angiopathy
05

Safety considerations

Increased risk of type III hyperlipoproteinemia in APOE2 homozygotesPotential increased susceptibility to certain tauopathies or cerebrovascular disorders despite neuroprotective effects against Alzheimer's
06

Biomarkers

APOE2 genotypePlasma lipid levelsAmyloid plaque loadTau pathology

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