Cathepsin

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Cathepsin

Cathepsin (pronunciation: /kəˈθɛpsɪn/) is a type of protease, an enzyme that breaks down proteins. The term "cathepsin" comes from the Greek word kathepsein, which means "to digest".

Function

Cathepsins are involved in various biological processes, including protein degradation, antigen presentation, and apoptosis. They are found in all animals and other organisms, and are located in the lysosome, an organelle in the cell that digests waste materials and cellular debris.

Types

There are several types of cathepsins, including cathepsin B, cathepsin D, and cathepsin K, among others. Each type has a specific function and is involved in different biological processes.

Clinical significance

Abnormal levels of cathepsins have been associated with various diseases, such as cancer, Alzheimer's, and arthritis. Therefore, they are considered potential targets for therapeutic interventions.

See also

External links

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