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Related Experiment Videos

Desmosomes from a structural perspective.

David L Stokes1

  • 1Skirball Institute and Department of Cell Biology, New York University School of Medicine, 540 First Ave, New York, NY 10016, United States. stokes@nyu.edu

Current Opinion in Cell Biology
|October 20, 2007
PubMed
Summary
This summary is machine-generated.

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Desmosomes are crucial cell junctions that maintain tissue strength. Understanding their protein architecture, through methods like X-ray crystallography and electron tomography, is key to addressing diseases linked to desmosome defects.

Area of Science:

  • Cell biology
  • Biophysics
  • Structural biology

Background:

  • Desmosomes are vital cell-cell junctions providing mechanical integrity to tissues.
  • Defects in desmosomes are implicated in diseases affecting mechanically stressed tissues like skin and the heart.
  • The structural architecture of desmosomes is critical for their strength and durability.

Purpose of the Study:

  • To elucidate the architectural design of desmosomes.
  • To understand the protein interactions that confer mechanical properties to desmosomes.
  • To provide insights into diseases arising from desmosome dysfunction.

Main Methods:

  • X-ray crystallography to determine the atomic structure of desmosome protein domains.
  • Electron tomography to visualize the three-dimensional structure of intact desmosomes in situ.

Related Experiment Videos

  • Integration of data from structural biology, cell biology, and molecular biology.

    • Main Results:

    • Significant progress in defining the atomic structures of isolated desmosome protein domains.
    • Determination of the three-dimensional structure of desmosomes within their cellular context.
    • Identification of key protein components contributing to desmosome architecture.

    Conclusions:

    • Combining structural and cellular data is essential for understanding desmosome mechanics.
    • Elucidating desmosome protein interactions will clarify their mechanical properties.
    • This knowledge is fundamental for developing therapeutic strategies for desmosome-related diseases.