Details for: APOE

Gene ID: 348

Symbol: APOE

Ensembl ID: ENSG00000130203

Description: apolipoprotein E

Associated with

Cells (max top 100)

(Cell Significance Index and respective Thresholds are uniquely calculated using our advanced thresholding algorithms to reveal cell-specific gene markers)

  • Cell Name: neoplastic cell (CL0001063)
    Fold Change: 2.6
    Cell Significance Index: 3
  • Cell Name: hair follicular keratinocyte (CL2000092)
    Fold Change: 1.7
    Cell Significance Index: 2
  • Cell Name: sebum secreting cell (CL0000317)
    Fold Change: 1.16
    Cell Significance Index: 1
  • Cell Name: cortical cell of adrenal gland (CL0002097)
    Fold Change: 1.1
    Cell Significance Index: 1
  • Cell Name: stromal cell of ovary (CL0002132)
    Fold Change: 1.08
    Cell Significance Index: 1
  • Cell Name: theca cell (CL0000503)
    Fold Change: 1.03
    Cell Significance Index: 1
  • Cell Name: centrilobular region hepatocyte (CL0019029)
    Fold Change: 1.02
    Cell Significance Index: 1
  • Cell Name: kidney loop of Henle descending limb epithelial cell (CL1001021)
    Fold Change: 1.01
    Cell Significance Index: 1
  • Cell Name: columnar/cuboidal epithelial cell (CL0000075)
    Fold Change: 1.01
    Cell Significance Index: 1
  • Cell Name: stem cell of epidermis (CL1000428)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: kidney loop of Henle cortical thick ascending limb epithelial cell (CL1001109)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: granular cell of epidermis (CL0002189)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: germ cell (CL0000586)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: colon endothelial cell (CL1001572)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: hepatic pit cell (CL2000054)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: cell (CL0000000)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: cone retinal bipolar cell (CL0000752)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: epidermal cell (CL0000362)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: epithelial cell of sweat gland (CL1000448)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: sebaceous gland cell (CL2000021)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: perivascular cell (CL4033054)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: supporting cell (CL0000630)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: mesenchymal cell (CL0008019)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: endothelial cell of placenta (CL0009092)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: granulosa cell (CL0000501)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: intrahepatic cholangiocyte (CL0002538)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: endothelial cell of periportal hepatic sinusoid (CL0019021)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: Leydig cell (CL0000178)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: pulmonary interstitial fibroblast (CL0002241)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: embryonic fibroblast (CL2000042)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: Mueller cell (CL0000636)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: retinal rod cell (CL0000604)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: skeletal muscle fibroblast (CL0011027)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: L5/6 near-projecting glutamatergic neuron (CL4030067)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: basal epithelial cell of tracheobronchial tree (CL0002329)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: interstitial cell of ovary (CL0002094)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: glomerular capillary endothelial cell (CL1001005)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: intestinal epithelial cell (CL0002563)
    Fold Change: 1
    Cell Significance Index: 1
  • Cell Name: Hofbauer cell (CL3000001)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: skin fibroblast (CL0002620)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: OFF-bipolar cell (CL0000750)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: mammary gland epithelial cell (CL0002327)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: mesodermal cell (CL0000222)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: malignant cell (CL0001064)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: alveolar macrophage (CL0000583)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: conjunctival epithelial cell (CL1000432)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: midzonal region hepatocyte (CL0019028)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: leptomeningeal cell (CL0000708)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: luminal hormone-sensing cell of mammary gland (CL4033058)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: extravillous trophoblast (CL0008036)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: ON-bipolar cell (CL0000749)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: endocardial cell (CL0002350)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: elicited macrophage (CL0000861)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: mesothelial cell of epicardium (CL0011019)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: enteric smooth muscle cell (CL0002504)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: fibroblast of breast (CL4006000)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: epithelial cell of nephron (CL1000449)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: Kupffer cell (CL0000091)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: epithelial cell of proximal tubule (CL0002306)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: Merkel cell (CL0000242)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: glandular epithelial cell (CL0000150)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: basal-myoepithelial cell of mammary gland (CL0002324)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: endothelial cell of venule (CL1000414)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: endothelial cell of uterus (CL0009095)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: endothelial cell of hepatic sinusoid (CL1000398)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: microcirculation associated smooth muscle cell (CL0008035)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: radial glial cell (CL0000681)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: liver dendritic cell (CL2000055)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: pulmonary alveolar type 2 cell (CL0002063)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: cortical interneuron (CL0008031)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: fibroblast (CL0000057)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: epithelial cell of pancreas (CL0000083)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: astrocyte (CL0000127)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: mature T cell (CL0002419)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: enterocyte (CL0000584)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: stem cell (CL0000034)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: endothelial cell of pericentral hepatic sinusoid (CL0019022)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: neuroblast (sensu Vertebrata) (CL0000031)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: glioblast (CL0000030)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: hepatocyte (CL0000182)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: skeletal muscle satellite stem cell (CL0008011)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: keratinocyte (CL0000312)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: fetal cardiomyocyte (CL0002495)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: melanocyte (CL0000148)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: CD4-positive, alpha-beta T cell (CL0000624)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: mononuclear phagocyte (CL0000113)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: periportal region hepatocyte (CL0019026)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: macrophage (CL0000235)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: placental villous trophoblast (CL2000060)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: microglial cell (CL0000129)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: CD8-positive, alpha-beta T cell (CL0000625)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: mature alpha-beta T cell (CL0000791)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: syncytiotrophoblast cell (CL0000525)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: alveolar capillary type 1 endothelial cell (CL4028002)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: myeloid leukocyte (CL0000766)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: hepatoblast (CL0005026)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: effector memory CD8-positive, alpha-beta T cell (CL0000913)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: stromal cell (CL0000499)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: centroblast (CL0009112)
    Fold Change: 0.99
    Cell Significance Index: 1
  • Cell Name: colon epithelial cell (CL0011108)
    Fold Change: 0.99
    Cell Significance Index: 1

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this specific cell.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Other Information

**Key Characteristics** APOE is a 299-amino acid protein that is synthesized in various cell types, including hepatoblasts, cortical cells of the adrenal gland, enterocytes, and astrocytes. It has a unique structure, consisting of two A and two B domains, which are responsible for its ability to bind lipids and interact with cell surface receptors. APOE is highly conserved across species, suggesting its essential role in lipid metabolism and transport. **Pathways and Functions** APOE is involved in several key pathways, including: 1. **Cholesterol Efflux**: APOE facilitates the transfer of cholesterol from peripheral tissues to the liver, where it is excreted into bile. 2. **Antioxidant Activity**: APOE has antioxidant properties, which help protect against oxidative stress and inflammation. 3. **Lipid Transport**: APOE is a component of lipoproteins, which transport lipids, including cholesterol, triglycerides, and phospholipids, throughout the body. 4. **Axon Extension**: APOE is involved in the regulation of axon extension, a process essential for neuronal development and function. 5. **Gene Expression Regulation**: APOE regulates gene expression through interaction with transcription factors, such as Ap-2, and influences the expression of genes involved in lipid metabolism and transport. **Clinical Significance** APOE is a significant factor in the development of several diseases, including: 1. **Atherosclerosis**: Elevated levels of LDL cholesterol, facilitated by APOE, contribute to the development of atherosclerosis. 2. **Alzheimer's Disease**: The ε4 isoform of APOE is associated with an increased risk of Alzheimer's disease, suggesting a role in amyloid-β clearance and deposition. 3. **Cardiovascular Disease**: APOE influences lipid metabolism and transport, which are critical factors in the development of cardiovascular disease. 4. **Neurodegenerative Disorders**: APOE's role in axon extension and gene expression regulation may also contribute to the pathogenesis of neurodegenerative disorders, such as Parkinson's disease and Huntington's disease. In conclusion, APOE is a multifunctional protein that plays a crucial role in lipid metabolism, transport, and clearance. Its dysregulation is associated with several diseases, highlighting the importance of understanding its functions and mechanisms of action.

Database document:

This is a preview of the gene's schema. Only a few entries are kept for 'singleCellExpressions,' 'mRNAExpressions,' and other large data arrays for visualization purposes. You can zoom in with the mouse wheel for a closer view, and the text will adjust automatically if necessary. For the full schema, download it here.