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Integrins: structure and signaling.

A E Berman1, N I Kozlova, G E Morozevich

  • 1Orekchovich Institute of Biomedical Chemistry, Russian Academy of Medical Sciences, Moscow 119121, Russia. berman@ibmh.msk.su

Biochemistry. Biokhimiia
|February 6, 2004
PubMed
Summary
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Integrins are cell adhesion receptors crucial for cell-matrix interactions and intracellular signaling. This review covers integrin structure, associated proteins, and signaling mechanisms.

Area of Science:

  • Cell Biology
  • Biochemistry
  • Molecular Biology

Background:

  • Integrins are transmembrane glycoproteins acting as cell adhesion receptors.
  • They mediate cell-extracellular matrix interactions and link to the cytoskeleton.
  • The human integrin family has 24 members, each a heterodimer of alpha and beta subunits.

Purpose of the Study:

  • To review current knowledge on integrin structure.
  • To discuss integrin-associated proteins.
  • To summarize biochemical mechanisms of integrin signaling.

Main Methods:

  • Literature review of existing research on integrins.
  • Analysis of structural and biochemical data.
  • Synthesis of information on integrin signaling pathways.

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Main Results:

  • Detailed overview of integrin structure and subunit composition.
  • Identification of key integrin-associated proteins.
  • Explanation of biochemical mechanisms in integrin signal transduction.

Conclusions:

  • Integrins are vital for cytoskeleton organization and intracellular signaling.
  • They regulate critical cellular processes like proliferation, differentiation, apoptosis, and migration.
  • Understanding integrin structure and signaling is key to deciphering cell behavior.