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Integrin cytoplasmic domain-binding proteins

S Liu1, D A Calderwood, M H Ginsberg

  • 1Department of Vascular Biology, VB-2, The Scripps Research Institute, La Jolla, CA 92037, USA. ginsberg@scripps.edu

Journal of Cell Science
|October 6, 2000
PubMed

Insights

Integrin cytoplasmic domains are crucial for cell adhesion and signaling. New research identifies proteins that bind to these domains, impacting cell functions and gene regulation.

Area of Science:

  • Cell Biology
  • Molecular Biology
  • Biochemistry

Background:

  • Integrins are cell surface receptors mediating cell adhesion, migration, and signaling.
  • The cytoplasmic domains of integrins are critical for these functions, interacting with intracellular proteins.
  • Understanding these interactions is key to deciphering integrin-mediated cellular processes.

Purpose of the Study:

  • To review the known and newly identified proteins that bind to integrin cytoplasmic domains.
  • To elucidate the functional significance of these interactions in cellular responses.
  • To highlight the role of integrin cytoplasmic domain-binding proteins in signal transduction and gene regulation.

Main Methods:

  • Literature review of studies on integrin cytoplasmic domain-binding proteins.
  • Analysis of protein-protein interactions involving integrin cytoplasmic domains.
  • Functional characterization of identified binding proteins.

Main Results:

  • Integrin cytoplasmic domains interact with a diverse array of cellular proteins.
  • These interactions link integrins to the cytoskeleton (e.g., talin, filamin) and signaling pathways (e.g., FAK, ILK).
  • Some binding proteins (e.g., JAB1) mediate integrin-dependent gene regulation.

Conclusions:

  • Integrin cytoplasmic domain-binding proteins are essential regulators of integrin function.
  • These proteins mediate critical cellular processes including adhesion, migration, signaling, and gene expression.
  • Further research into these interactions will uncover new therapeutic targets.

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