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Related Experiment Videos

The CD44 adhesion molecule and metastasis

K K Tanabe1, H Saya

  • 1Department of Surgical Oncology, University of Texas M.D. Anderson Cancer Center, Houston 77030.

Critical Reviews in Oncogenesis
|January 1, 1994
PubMed
Summary
This summary is machine-generated.

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CD44 cell surface adhesion molecules are crucial for tumor cell metastasis. Specific CD44 isoforms, regulated by alternative splicing, significantly enhance cancer spread and correlate with disease severity.

Area of Science:

  • Molecular Biology
  • Cell Biology
  • Oncology

Background:

  • CD44 is a multifunctional cell surface adhesion molecule found in various normal and malignant tissues.
  • CD44 exhibits properties like hyaluronate-mediated adhesion, motility, and aggregation, which are essential for invasive tumor cells.

Purpose of the Study:

  • To review and analyze data suggesting CD44's significant role in tumor metastasis.
  • To explore the impact of CD44 isoforms and their regulation on cancer progression.

Main Methods:

  • Analysis of in vitro and in vivo experimental data.
  • Review of studies on CD44 isoform expression in human tumors.
  • Examination of the correlation between CD44 expression patterns and clinical disease extent.

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Main Results:

  • Overexpression of specific CD44 isoforms in tumor cells enhances metastatic potential.
  • Alternative splicing of CD44 generates numerous isoforms, with specific ones being more efficient in promoting metastasis.
  • Altered CD44 isoform expression patterns are observed in human tumors and correlate with disease severity.

Conclusions:

  • Regulation of CD44 alternative splicing is a critical determinant of tumor metastatic potential.
  • CD44 plays a significant role in the process of tumor metastasis.
  • CD44 isoform expression patterns offer potential biomarkers for cancer progression.