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Hyaluronan and cell locomotion.

E A Turley1

  • 1Manitoba Institute of Cell Biology, Winnipeg, Canada.

Cancer Metastasis Reviews
|March 1, 1992
PubMed
Summary
This summary is machine-generated.

Hyaluronan (HA) production controls cell movement in H-ras-transformed cells. This process involves a novel HA receptor, RHAMM (Receptor for HA Mediated Motility), regulating directional cell migration.

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Area of Science:

  • Biochemistry
  • Cell Biology
  • Molecular Biology

Background:

  • Hyaluronan (HA) is a glycosaminoglycan known to influence cell locomotion.
  • Previous research suggests a role for HA in cell motility, but the specific mechanisms are not fully elucidated.

Purpose of the Study:

  • To investigate the role of HA production in the locomotion of H-ras-transformed cells.
  • To identify and characterize the receptor mediating HA-driven cell motility.

Main Methods:

  • Utilized H-ras-transformed cells to study cell locomotion.
  • Investigated the role of HA production in regulating cell movement.
  • Identified and characterized a novel HA receptor, RHAMM (Receptor for HA Mediated Motility).

Main Results:

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  • HA production was shown to regulate the locomotion of H-ras-transformed cells.
  • A novel HA receptor, RHAMM, was identified as mediating this autocrine motility mechanism.
  • HA:RHAMM interactions were found to regulate directional tumor cell locomotion.
  • These interactions led to enhanced protein tyrosine phosphorylation, suggesting a role in initiating cell movement.

Conclusions:

  • HA production is a key regulator of cell locomotion in H-ras-transformed cells.
  • The novel receptor RHAMM is critical for HA-mediated cell motility and directional migration.
  • HA:RHAMM signaling pathways, involving protein tyrosine phosphorylation, are important for initiating cell locomotion.