Activity-based probes for the study of proteases: recent advances and developments.

Area of Science:

• Biochemistry
• Chemical Biology
• Drug Discovery

Background:

• Proteases are crucial targets for treating human diseases.
• Previous protease inhibitors failed in clinical trials due to poor in vivo specificity.
• Traditional proteomics methods struggle with the complex regulation of protease activity.

Purpose of the Study:

• To introduce the principles of activity-based protein profiling (ABPP).
• To highlight advancements in ABPP probe design and analysis techniques.
• To demonstrate ABPP's utility in studying protease biology and drug discovery.

Main Methods:

• Activity-based protein profiling (ABPP) using small-molecule probes.
• Labeling and analyzing active enzymes in various biological contexts (lysates, cells, animals).
• Development of diverse protease activity-based probes over the past twelve years.

Main Results:

• ABPP overcomes limitations of traditional proteomics in analyzing protease activity.
• Synthetic efforts have yielded a wide variety of ABPP probes.
• ABPP enables techniques like real-time in vivo imaging and high-throughput screening.

Conclusions:

• ABPP is a powerful technique for studying protease function and inhibition.
• Advancements in ABPP increase knowledge of protease biology.
• ABPP will aid future protease drug discovery efforts.