Tetraspanins in human epithelial malignancies

Hanna M Romanska1, Fedor Berditchevski

  • 1Department of Pathology, The University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK. h.romanska@bham.ac.uk

The Journal of Pathology
|October 13, 2010
PubMed

Insights

Tetraspanins, cell surface proteins, regulate proliferation and migration. Their altered expression in human malignancies suggests potential as prognostic markers for breast cancer and epithelial tumors.

Area of Science:

  • Cellular Biology
  • Molecular Oncology
  • Biochemistry

Background:

  • Tetraspanins are transmembrane proteins involved in diverse cellular functions.
  • They form microdomains regulating cell proliferation, migration, and receptor signaling.
  • Aberrant tetraspanin expression is observed in various human cancers.

Purpose of the Study:

  • To review tetraspanin expression in breast cancer and other epithelial tumors.
  • To evaluate the potential of tetraspanins as prognostic markers in malignancies.
  • To synthesize current understanding of tetraspanin involvement in carcinogenesis.

Main Methods:

  • Comprehensive literature review of studies on tetraspanin expression.
  • Analysis of data linking tetraspanin expression to clinical outcomes.
  • Focus on human epithelial cancers, particularly breast cancer.

Main Results:

  • Tetraspanin superfamily proteins are implicated in numerous cellular processes.
  • Expression of tetraspanins and associated proteins is frequently deregulated in human malignancies.
  • Evidence suggests tetraspanins may hold clinical significance in certain cancers.

Conclusions:

  • Tetraspanins play a role in cell proliferation and migration.
  • Deregulated tetraspanin expression is a hallmark of human cancers.
  • Tetraspanins show promise as prognostic markers for breast cancer and epithelial tumors.