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Related Experiment Videos

Functional imaging of tumor proteolysis.

Bonnie F Sloane1, Mansoureh Sameni, Izabela Podgorski

  • 1Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI 48201, USA. bsloane@med.wayne.edu

Annual Review of Pharmacology and Toxicology
|January 13, 2006
PubMed
Summary

Proteases play a wider role in cancer progression beyond metastasis. New imaging techniques can now measure protease activity, aiding in the development of targeted cancer therapies.

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Area of Science:

  • Oncology
  • Biochemistry
  • Molecular Biology

Background:

  • Proteases are increasingly recognized for roles beyond extracellular matrix degradation in cancer.
  • Both tumor cells and associated stromal cells contribute proteases to neoplastic progression.
  • Assessing protease function requires measuring activity, not just expression levels.

Purpose of the Study:

  • To highlight the expanded roles of proteases in cancer.
  • To discuss the limitations of current methods for assessing protease function.
  • To introduce novel imaging techniques for measuring protease activity.

Main Methods:

  • Review of current literature on protease roles in cancer.
  • Discussion of emerging in vitro and in vivo functional imaging techniques.

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  • Development of novel imaging probes for protease activity detection.

    • Main Results:

    • Proteases from various cell types are critical in neoplastic progression.
    • Novel imaging techniques allow for functional assessment of protease activity.
    • Imaging probes can discriminate between different protease activities.

    Conclusions:

    • Measuring protease activity is crucial for understanding their role in cancer.
    • Functional imaging offers new tools for cancer research and therapy development.
    • These techniques may serve as clinical surrogate endpoints for protease-targeting therapies.