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Related Experiment Videos

Lipid characteristics in metastatic cells.

S Ruggieri1, G Mugnai, A Mannini

  • 1Department of Experimental Pathology and Oncology, University of Florence, Italy.

Clinical & Experimental Metastasis
|November 2, 1999
PubMed
Summary

Metastatic cells exhibit altered lipid profiles, with changes in glycolipids and phospholipids impacting cell surface functions. These lipid alterations, including reduced gangliosides and increased ether-linked lipids, are linked to increased invasiveness in various cancers.

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Area of Science:

  • Oncology
  • Cell Biology
  • Biochemistry

Background:

  • Cell membrane lipids influence cell surface functions crucial for cancer metastasis.
  • Understanding lipid changes in metastatic cells can reveal mechanisms of invasion.

Purpose of the Study:

  • To review the alterations in lipid characteristics of metastatic cells.
  • To correlate these lipid changes with invasive properties.

Main Methods:

  • Review of studies on metastatic cell systems isolated in vivo and in vitro.
  • Analysis of membrane lipid components, including glycolipids, phospholipids, and ether-linked lipids.

Main Results:

  • Metastatic cells show altered glycolipid and phospholipid profiles.

Related Experiment Videos

  • Reduced complex gangliosides (e.g., GD1a) were observed in highly metastatic variants, affecting adhesion.
  • Increased Gb3ose expression correlated with metastatic properties in fibrosarcoma cells.
  • Elevated ether-linked lipids were found in highly metastatic murine and human cancer cells.

    • Conclusions:

    • Specific lipid alterations, such as changes in gangliosides and ether-linked lipids, are associated with the metastatic phenotype.
    • These lipid modifications may play a significant role in the invasive capabilities of cancer cells.