Inhibition of growth and enhancement of differentiation of colorectal carcinoma cell lines by MAb MR6 and IL-4

Abdulhamid A. Al-Tubuly, René Spijker, Massimo Pignatelli, Suzan C. Kirkland, Mary A. Ritter

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We have previously shown that expression of gp200-MR6, a molecule that is functionally associated with the interleukin-4 receptor (IL-4R), is lost from breast carcinoma cells as malignancy increases. Here we have analysed a series of colorectal carcinoma cell lines and show a similar decrease with increasing malignancy. Moreover, analysis of the HRA-19 cell line, which can exhibit a poorly or a well-differentiated phenotype according to culture conditions, shows that gp200-MR6 is weakly expressed on the former but strongly expressed on the latter. Functional analysis using either IL-4 or monoclonal antibody (MAb) MR6 and the well-differentiated cell line SW1222 revealed that MAb MR6 acts as an agonist for IL-4, with both reagents causing a dose-dependent inhibition of cell division, but greatly enhancing the glandular differentiation of SW1222 in three-dimensional collagen gels. These observations suggest that the gp200-MR6 molecule may act as the product of a tumour suppressor gene and that its loss may be a primary event in tumourigenesis.

Original languageEnglish
Pages (from-to)605-611
Number of pages7
JournalInternational Journal of Cancer
Volume71
Issue number4
DOIs
Publication statusPublished - 1997
Externally publishedYes

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Interleukin-4
Colorectal Neoplasms
Monoclonal Antibodies
Cell Line
Growth
Interleukin-4 Receptors
Tumor Suppressor Genes
Cell Division
Neoplasms
Collagen
Gels
Breast Neoplasms
Phenotype
DEC-205 receptor

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Inhibition of growth and enhancement of differentiation of colorectal carcinoma cell lines by MAb MR6 and IL-4. / Al-Tubuly, Abdulhamid A.; Spijker, René; Pignatelli, Massimo; Kirkland, Suzan C.; Ritter, Mary A.

In: International Journal of Cancer, Vol. 71, No. 4, 1997, p. 605-611.

Research output: Contribution to journalArticle

Al-Tubuly, Abdulhamid A. ; Spijker, René ; Pignatelli, Massimo ; Kirkland, Suzan C. ; Ritter, Mary A. / Inhibition of growth and enhancement of differentiation of colorectal carcinoma cell lines by MAb MR6 and IL-4. In: International Journal of Cancer. 1997 ; Vol. 71, No. 4. pp. 605-611.
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