Apolipoprotein C-IV

Apolipoprotein C-IV (ApoC-IV) is a protein that in humans is encoded by the APOC4 gene. It is a member of the apolipoprotein family, which are proteins involved in the transport and metabolism of lipids in the body.

Function

ApoC-IV is primarily associated with high-density lipoprotein (HDL) and very low-density lipoprotein (VLDL) in the bloodstream. It plays a crucial role in the metabolism of triglyceride-rich lipoproteins and contributes to the process of lipoprotein lipase (LPL) inhibition.

Structure

The APOC4 gene is located on chromosome 19 in a cluster with other apolipoprotein genes, such as APOE and APOC2. The protein structure of ApoC-IV is similar to that of other apolipoproteins, consisting of a single polypeptide chain.

Clinical significance

Alterations in the APOC4 gene have been associated with hypertriglyceridemia, a condition characterized by high levels of triglycerides in the blood. This can lead to an increased risk of cardiovascular disease.

Research

Research into ApoC-IV is ongoing, with studies investigating its potential role in the development of atherosclerosis and its possible use as a therapeutic target for the treatment of hypertriglyceridemia and related conditions.

See also

• Apolipoprotein
• Hypertriglyceridemia
• Cardiovascular disease

References

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