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Cathepsin B

J S Mort1, D J Buttle

  • 1Joint Diseases Laboratory, Shriners Hospital for Crippled Children, Montreal, Quebec, Canada.

The International Journal of Biochemistry & Cell Biology
|May 1, 1997
PubMed
Summary
This summary is machine-generated.

Cathepsin B, a cysteine protease, plays roles in protein breakdown and immune responses. This review details its structure, synthesis, and function in health and disease.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Cell Biology

Background:

  • Cathepsin B is a lysosomal cysteine protease.
  • It belongs to the papain family of enzymes.
  • Its known functions include intracellular protein catabolism.

Purpose of the Study:

  • To review the major structural features of Cathepsin B.
  • To describe the synthesis, trafficking, processing, and function of Cathepsin B.
  • To explore the enzyme's involvement in physiological and pathological processes.

Main Methods:

  • Literature review of structural and functional studies on Cathepsin B.
  • Analysis of published data on enzyme synthesis, trafficking, and processing.
  • Examination of evidence linking Cathepsin B to various diseases.

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Main Results:

  • Cathepsin B possesses key structural features influencing its activity.
  • The enzyme undergoes specific synthesis, trafficking, and activation pathways.
  • Cathepsin B is implicated in antigen processing, hormone activation, bone turnover, and diseases like cancer and pancreatitis.

Conclusions:

  • Cathepsin B's structure dictates its diverse functions.
  • Understanding Cathepsin B's mechanisms is crucial for its role in health and disease.
  • Further research into Cathepsin B could offer therapeutic insights.