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Related Experiment Videos

[The role of CD44 adhesion molecules]

T Goi1, A Yamaguchi, G Nakagawara

  • 1First Department of Surgery, Fukui Medical School.

Nihon Rinsho. Japanese Journal of Clinical Medicine
|July 1, 1995
PubMed
Summary

CD44, a cell adhesion molecule, exists in standard and epithelial forms. Its variant isoforms, generated by alternative splicing, are crucial for cancer metastasis and organ specificity.

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Biochemistry·1995

Area of Science:

  • Molecular biology
  • Cell biology
  • Biochemistry

Context:

  • CD44 is a transmembrane glycoprotein involved in cell-extracellular matrix interactions.
  • It functions as a cell adhesion molecule, mediating processes like cell migration and lymphocyte homing.
  • Two main forms, hematopoietic (standard) and epithelial, were identified, with the latter prevalent in carcinomas.

Purpose:

  • To elucidate the structural variations and functional significance of CD44 isoforms.
  • To investigate the role of CD44 alternative splicing in cancer progression and metastasis.

Summary:

  • CD44 exhibits extensive alternative splicing of 10 variant exons.
  • This splicing generates numerous CD44 variant isoforms with distinct functions.
  • These isoforms are implicated in malignant behaviors and organ-specific metastasis.

Impact:

  • Understanding CD44 variant isoforms provides insights into cancer metastasis mechanisms.
  • This knowledge can inform the development of targeted therapies for various carcinomas.
  • Highlights the importance of CD44 in cancer biology and cell-matrix interactions.

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