Apoc1 Gene — Apolipoprotein C I is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
APOC1 encodes apolipoprotein C-I (apoC-I), a component of chylomicrons, very-low-density lipoproteins (VLDL), and high-density lipoproteins (HDL). APOC1 has been identified as an Alzheimer's disease risk gene, with certain variants associated with increased AD susceptibility.
Apolipoprotein C-I is a 79-amino acid protein that plays important roles in lipid metabolism. It is expressed primarily in the liver and intestine, with lower expression in other tissues including the brain. The protein is involved in triglyceride metabolism and has been implicated in neurodegenerative diseases, particularly Alzheimer's disease. APOC1 forms part of the apolipoprotein gene cluster on chromosome 19q13.32, which includes APOE and APOC2. Genetic variants in APOC1 have been associated with altered lipid profiles and increased risk for Alzheimer's disease, making it an important target for understanding the relationship between lipid metabolism and neurodegeneration.
| Property | Value |
|---|---|
| Gene Symbol | APOC1 |
| Full Name | Apolipoprotein C-I |
| Chromosomal Location | 19q13.32 |
| NCBI Gene ID | 341 |
| OMIM ID | 107710 |
| Ensembl ID | ENSG00000130208 |
| UniProt ID | P02654 |
The APOC1 gene is located on chromosome 19q13.32, within the apolipoprotein gene cluster (APOE-APOC1-APOC2). This cluster represents a conserved genomic region important for lipid metabolism regulation.
APOC1 plays multiple roles in lipid metabolism:
In the central nervous system:
APOC1 is implicated in several diseases:
| Variant | Effect | Evidence |
|---|---|---|
| APOC1*2 | Increased AD risk | OR ~2-3 |
| APOC1 ε4 interaction | Synergistic risk | Combined effect with APOE ε4 |
| Expression upregulation | Association | Higher in AD brains |
Mechanisms:
The study of Apoc1 Gene — Apolipoprotein C I has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
Gene information last updated: 2026-03-04