CD44 is associated with proliferation in normal and neoplastic human colorectal epithelial cells

A. M. Abbasi, K. A. Chester, I. C. Talbot, A. S. Macpherson, G. Boxer, A. Forbes, A. D. B. Malcolm, R. H. J. Begent

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Abstract

Flash-frozen biopsies obtained from surgical specimens of three adenomatous polyps and 22 colorectal adenocarcinomas (19 primary and three metastatic) were tested by immunohistochemistry for CD44 expression using F10-44-2 monoclonal antibody. CD44 positivity was correlated with proliferative status defined by Ki-67 monoclonal antibody reactivity. In normal colonic mucosa, CD44 was expressed in the proliferative zone of crypts. In tumours, CD44 expression was associated with proliferative areas irrespective of tumour stage or differentiation. Non-proliferating areas of the carcinomatous epithelium did not express CD44 although non-proliferating stromal lymphoid tissue did. There was no apparent association with tumour progression. F10-44-2-defined CD44 is consistently expressed during proliferation by normal colorectal epithelial cells and by both benign and malignant colorectal tumour cells.
Original languageEnglish
Pages (from-to)1995-2002
Number of pages8
JournalEuropean Journal of Cancer
Volume29A
Issue number14
DOIs
Publication statusPublished - 1993

Keywords

  • Adenocarcinoma
  • Adenomatous Polyps
  • Adult
  • Aged
  • Aged, 80 and over
  • Antigens, Differentiation
  • Cell Division
  • Cell Transformation, Neoplastic
  • Colorectal Neoplasms
  • Female
  • Fluorescent Antibody Technique
  • Humans
  • Intestinal Mucosa
  • Male
  • Middle Aged

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