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Related Experiment Videos

Functional domains of cell adhesion molecules.

Y Yamada1, H K Kleinman

  • 1Laboratory of Developmental Biology, National Institute of Dental Research, National Institutes of Health, Bethesda, Maryland 20892.

Current Opinion in Cell Biology
|October 1, 1992
PubMed
Summary

Researchers identified cell adhesion molecules like fibronectin and laminin, crucial for cell growth, migration, differentiation, and tumor spread. Active molecular sequences were pinpointed using synthetic peptides, revealing diverse biological activities within these molecules.

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Background:

  • Cell adhesion molecules mediate critical cellular processes.
  • Key molecules include fibronectin, laminin, collagens, thrombospondin, and entactin.
  • These molecules influence cell growth, migration, differentiation, and tumor metastasis.

Purpose of the Study:

  • To identify molecules involved in cell adhesion.
  • To describe their roles in various biological processes.
  • To characterize active molecular sequences and their functions.

Main Methods:

  • Identification of cell adhesion molecules.
  • Description of their roles in cellular processes.
  • Use of synthetic peptides to identify active molecular domains.

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Main Results:

  • Several cell adhesion molecules were identified.
  • Their roles in growth, migration, differentiation, and tumor spread were elucidated.
  • Active sequences within these molecules were mapped using synthetic peptides.
  • Multiple active domains with distinct biological activities were found in several adhesive molecules.

Conclusions:

  • Cell adhesion molecules play multifaceted roles in fundamental biological processes.
  • Specific molecular domains possess distinct biological activities.
  • Synthetic peptides are valuable tools for dissecting the functions of complex adhesion molecules.