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Related Experiment Videos

Matricellular proteins: extracellular modulators of cell function.

Paul Bornstein1, E Helene Sage

  • 1Department of Biochemistry, Box 357350, University of Washington, Seattle, WA 98195, USA. bornsten@u.washington.edu

Current Opinion in Cell Biology
|September 17, 2002
PubMed
Summary

Matricellular proteins are key regulators of cell interactions, not structural components. Studying mice lacking these proteins reveals unexpected consequences of altered cell-environment communication.

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Area of Science:

  • Extracellular matrix biology
  • Cellular signaling
  • Developmental biology

Background:

  • Matricellular proteins are extracellular proteins modulating cell-matrix interactions and cell function.
  • They do not directly form structural elements in vertebrates.
  • Their roles are increasingly understood through genetic studies.

Purpose of the Study:

  • To elucidate the functional significance of matricellular proteins.
  • To understand the consequences of their absence on cellular behavior and tissue function.
  • To advance the understanding of cell-environment interactions.

Main Methods:

  • Phenotypic analysis of genetically engineered mice lacking specific matricellular proteins.
  • Investigating the impact of protein deficiency on cellular interactions and tissue homeostasis.

Related Experiment Videos

  • Comparative analysis of wild-type and knockout mouse models.

    • Main Results:

    • Deficiency in matricellular proteins leads to previously unrecognized phenotypes.
    • These phenotypes highlight the critical role of these proteins in regulating cell-matrix communication.
    • Altered cell-environment interactions have significant functional consequences.

    Conclusions:

    • Matricellular proteins are crucial regulators of cell function and tissue development.
    • Understanding their roles is essential for comprehending normal physiology and disease pathogenesis.
    • Genetic studies in knockout models provide powerful insights into extracellular matrix functions.