SCARB1

SCARB1 (Scavenger Receptor Class B Member 1) is a protein that in humans is encoded by the SCARB1 gene. It is also known as SR-BI and CLA-1 (CD36 and LIMPII Analogous-1). SCARB1 is a member of the CD36 family of proteins and plays a critical role in the metabolism of lipoproteins in the body.

Function

SCARB1 is a receptor for high-density lipoproteins (HDL), which are particles in the blood that carry cholesterol and other fats. By binding to HDL, SCARB1 facilitates the transport of cholesterol into cells, where it is used in the production of hormones and other important molecules. This process is a key part of the body's system for managing cholesterol levels and preventing the buildup of cholesterol in the arteries.

Clinical significance

Mutations in the SCARB1 gene can lead to a variety of health problems. For example, some mutations can cause HDL deficiency, a condition characterized by low levels of HDL in the blood. This can increase the risk of heart disease and stroke. Other mutations can cause fatty liver disease, a condition in which fat builds up in the liver.

Research

Research is ongoing to better understand the role of SCARB1 in health and disease. For example, studies have suggested that SCARB1 may play a role in the body's response to infection and inflammation. Other research is exploring the potential use of SCARB1 as a target for new drugs to treat heart disease and other conditions.

See also

• CD36
• High-density lipoprotein
• Cholesterol
• HDL deficiency
• Fatty liver disease

External links

• SCARB1 at the National Center for Biotechnology Information

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