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Cell adhesion molecules in neoplastic disease.

J P Johnson1

  • 1Institute for Immunology, Munich, Federal Republic of Germany.

International Journal of Clinical & Laboratory Research
|January 1, 1992
PubMed
Summary

Changes in cell adhesion molecules are key to cancer spread. Loss or alteration of these molecules helps tumors escape, while new ones aid metastasis by interacting with other cells and blood vessels.

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Area of Science:

  • Oncology
  • Cell Biology
  • Molecular Biology

Background:

  • Tumorigenesis and metastasis involve altered cell adhesion molecule (CAM) expression in human cancers.
  • In carcinomas, loss or functional changes in normal CAMs may facilitate tumor cell detachment from the primary site.
  • Metastatic potential in solid tumors often correlates with the expression of novel CAMs on tumor cells.

Purpose of the Study:

  • To investigate the role of cell adhesion molecules in cancer progression and metastasis.
  • To understand how altered CAM expression contributes to tumor cell escape and dissemination.

Main Methods:

  • Analysis of cell adhesion molecule expression patterns in various human malignancies.
  • Correlation of CAM expression with tumor cell behavior, including detachment and interaction with other cell types.

Main Results:

  • Loss or altered expression of normally present CAMs observed in carcinomas, potentially aiding tumor cell escape.
  • Expression of new CAMs identified in solid tumors with metastatic potential.
  • These novel CAMs appear to mediate interactions between tumor cells, leukocytes, and endothelium, influencing cancer spread.

Conclusions:

  • Altered cell adhesion molecule expression is a critical factor in human cancer progression and metastasis.
  • Changes in CAMs facilitate tumor cell detachment, dissemination, and interaction with the tumor microenvironment.
  • Targeting CAMs may offer therapeutic strategies to inhibit cancer metastasis.

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