APOE Chromosome 19
Apolipoprotein E
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What This Gene Does
The protein encoded by this gene is a major apoprotein of the chylomicron. It binds to a specific liver and peripheral cell receptor, and is essential for the normal catabolism of triglyceride-rich lipoprotein constituents. This gene maps to chromosome 19 in a cluster with the related apolipoprotein C1 and C2 genes. Mutations in this gene result in familial dysbetalipoproteinemia, or type III hyperlipoproteinemia (HLP III), in which increased plasma cholesterol and triglycerides are the consequence of impaired clearance of chylomicron and VLDL remnants. [provided by RefSeq, Jun 2016]
Gene Info
Gene Group
Apolipoproteins
Locus Type
gene with protein product
Location
19q13.32
Ensembl
ENSG00000130203
Associated Conditions (33)
Coronary artery disease
severe
susceptibility to
Warfarin response
Familial type 3 hyperlipoproteinemia
atorvastatin response - Efficacy
Hypercholesterolemia
Cardiovascular phenotype
Alzheimer disease 2
Lipoprotein glomerulopathy
APOE5 VARIANT
6 conditions
APOE-related disorder
Alzheimer disease 4
Familial hypercholesterolemia
Alzheimer disease
Primary degenerative dementia of the Alzheimer type
presenile onset
HYPERLIPOPROTEINEMIA
TYPE III
+13 more conditions
Key Variants
RS405509
drug response
Coronary artery disease, severe, susceptibility to
Drug Response
RS439401
drug response
Warfarin response, Warfarin response
Drug Response
RS7412
drug response
Familial type 3 hyperlipoproteinemia, atorvastatin response - Efficacy, Hypercholesterolemia
Drug Response
RS769450
drug response
Warfarin response, Warfarin response
Drug Response
RS140808909
Conflicting classifications of pathogenicity
Cardiovascular phenotype, Alzheimer disease 2, Cardiovascular phenotype
Health Risk
RS144354013
Conflicting classifications of pathogenicity
Lipoprotein glomerulopathy, Familial type 3 hyperlipoproteinemia, Cardiovascular phenotype
Health Risk
RS190853081
Conflicting classifications of pathogenicity
Cardiovascular phenotype, Alzheimer disease 2, Cardiovascular phenotype
Health Risk
RS201672011
Conflicting classifications of pathogenicity
APOE5 VARIANT, 6 conditions, APOE5 VARIANT
Health Risk
RS563571689
Conflicting classifications of pathogenicity
Alzheimer disease 2, APOE-related disorder, Familial type 3 hyperlipoproteinemia
Health Risk
RS769452
Conflicting classifications of pathogenicity
Alzheimer disease 4, Cardiovascular phenotype, Alzheimer disease 4
Health Risk
RS769455
Conflicting classifications of pathogenicity
Familial type 3 hyperlipoproteinemia, Cardiovascular phenotype, APOE-related disorder
Health Risk
RS429358
Conflicting classifications of pathogenicity; other; risk factor
Alzheimer disease 2, Alzheimer disease, Primary degenerative dementia of the Alzheimer type
Health Risk
Related Biomarkers (3)
Total Cholesterol
risk if abnormal
strong
Ldl Cholesterol
risk if abnormal
strong
Total Cholesterol
supports interpretation
moderate
Related Supplements (2)
Omega-3 (EPA/DHA) may support
moderate
APOE ε4 — omega-3 may support cardiovascular health
Phosphatidylcholine may support
exploratory
APOE ε4 — may support neurological health
All Variants (29)
| RSID | Category | Clinical Significance | Conditions |
|---|---|---|---|
| RS405509 | Drug Response | drug response | Coronary artery disease, severe, susceptibility to |
| RS439401 | Drug Response | drug response | Warfarin response, Warfarin response |
| RS7412 | Drug Response | drug response | Familial type 3 hyperlipoproteinemia, atorvastatin response - Efficacy, Hypercholesterolemia |
| RS769450 | Drug Response | drug response | Warfarin response, Warfarin response |
| RS140808909 | Health Risk | Conflicting classifications of pathogenicity | Cardiovascular phenotype, Alzheimer disease 2, Cardiovascular phenotype |
| RS144354013 | Health Risk | Conflicting classifications of pathogenicity | Lipoprotein glomerulopathy, Familial type 3 hyperlipoproteinemia, Cardiovascular phenotype |
| RS190853081 | Health Risk | Conflicting classifications of pathogenicity | Cardiovascular phenotype, Alzheimer disease 2, Cardiovascular phenotype |
| RS201672011 | Health Risk | Conflicting classifications of pathogenicity | APOE5 VARIANT, 6 conditions, APOE5 VARIANT |
| RS563571689 | Health Risk | Conflicting classifications of pathogenicity | Alzheimer disease 2, APOE-related disorder, Familial type 3 hyperlipoproteinemia |
| RS769452 | Health Risk | Conflicting classifications of pathogenicity | Alzheimer disease 4, Cardiovascular phenotype, Alzheimer disease 4 |
| RS769455 | Health Risk | Conflicting classifications of pathogenicity | Familial type 3 hyperlipoproteinemia, Cardiovascular phenotype, APOE-related disorder |
| RS429358 | Health Risk | Conflicting classifications of pathogenicity; other; risk factor | Alzheimer disease 2, Alzheimer disease, Primary degenerative dementia of the Alzheimer type |
| RS121918393 | Health Risk | Likely pathogenic | Familial type 3 hyperlipoproteinemia, Familial hypercholesterolemia, Familial type 3 hyperlipoproteinemia |
| RS121918396 | Health Risk | Likely pathogenic | Familial type 3 hyperlipoproteinemia, HYPERLIPOPROTEINEMIA, TYPE III |
| RS1332591068 | Health Risk | Likely pathogenic | Lipoprotein glomerulopathy, Lipoprotein glomerulopathy |
| RS200703101 | Health Risk | Likely pathogenic | Abnormal circulating lipid concentration, Abnormal circulating lipid concentration |
| RS2122137937 | Health Risk | Likely pathogenic | Familial type 3 hyperlipoproteinemia, Familial type 3 hyperlipoproteinemia |
| RS387906567 | Health Risk | Likely pathogenic | Familial type 3 hyperlipoproteinemia, Familial type 3 hyperlipoproteinemia |
| RS121918392 | Health Risk | Pathogenic | HYPERLIPOPROTEINEMIA, TYPE III, AND ATHEROSCLEROSIS ASSOCIATED WITH APOE5 |
| RS121918394 | Health Risk | Pathogenic | Familial type 3 hyperlipoproteinemia, Hyperlipoproteinemia, type III |
| RS121918395 | Health Risk | Pathogenic | APOE2-DUNEDIN, HYPERLIPOPROTEINEMIA, TYPE IV/V |
| RS121918397 | Health Risk | Pathogenic | Familial type 3 hyperlipoproteinemia, Lipoprotein glomerulopathy, Familial hypercholesterolemia |
| RS121918398 | Health Risk | Pathogenic | APOE4 VARIANT, APOE4 VARIANT |
| RS2122132718 | Health Risk | Pathogenic | Familial type 3 hyperlipoproteinemia, Familial type 3 hyperlipoproteinemia |
| RS28931578 | Health Risk | Pathogenic | APOE2 VARIANT, APOE2 VARIANT |
| RS397514253 | Health Risk | Pathogenic | Familial type 3 hyperlipoproteinemia, Familial type 3 hyperlipoproteinemia |
| RS397514254 | Health Risk | Pathogenic | Familial type 3 hyperlipoproteinemia, Familial type 3 hyperlipoproteinemia |
| RS515726148 | Health Risk | Pathogenic | Sea-blue histiocyte syndrome, Cardiovascular phenotype, Familial hypercholesterolemia |
| RS121918399 | Health Risk | Pathogenic/Likely pathogenic | Lipoprotein glomerulopathy, 7 conditions, Cardiovascular phenotype |