pS2 transfection of murine adenocarcinoma cell line 410.4 enhances dispersed growth pattern in a 3-D collagen gel

R. Williams, G. W H Stamp, C. Gilbert, M. Pignatelli, E. N. Lalani

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

We describe the first model system employing human pS2 gene transfer and expression in a non-pS2-expressing cell line, mouse mammary adenocarcinoma 410.4, in order to analyse the potential effect of human trefoil peptide pS2 in glandular epithelium. Two selected clones, AA4 and AD4, were established and shown to have incorporated the pS2 cDNA sequence into the genome, express pS2 containing transcript and produce the pS2 peptide. When grown in 3-D collagen gels both transfectants show striking morphological changes compared to the vector control clone (VA5). VA5 forms large cohesive spherical aggregates with rare coarse spicular outgrowths, accompanied by prominent hyalinised extracellular matrix deposition. pS2 transfectants form poorly cohesive, stellate colonies with very little or no matrix deposition, radiating long cords composed of single elongated cells, an effect previously observed in other cell lines with hepatocyte growth factor. pS2 transfection had no demonstrable effect on proliferation and this is not a morphogenetic phenomenon, as tubulogenesis is not seen. Motility assays suggest that the pS2 'dispersant' effect in collagen gels is due to an increase in cell motility. There were no measurable alterations in either E-cadherin expression or E-cadherin-dependent cell-cell aggregation. pS2 may play a role in maintenance and restitution of mucosal integrity by accelerating migration/dispersion.

Original languageEnglish
Pages (from-to)63-71
Number of pages9
JournalJournal of Cell Science
Volume109
Issue number1
Publication statusPublished - Jan 1996
Externally publishedYes

Fingerprint

Cadherins
Transfection
Adenocarcinoma
Collagen
Clone Cells
Gels
Cell Line
Cell Aggregation
Hepatocyte Growth Factor
Growth
Cell Movement
Extracellular Matrix
Breast
Epithelium
Complementary DNA
Maintenance
Genome
Gene Expression
Peptides
Trefoil Factors

Keywords

  • Cell motility
  • Migration
  • pS2
  • Trefoil peptide

ASJC Scopus subject areas

  • Cell Biology

Cite this

pS2 transfection of murine adenocarcinoma cell line 410.4 enhances dispersed growth pattern in a 3-D collagen gel. / Williams, R.; Stamp, G. W H; Gilbert, C.; Pignatelli, M.; Lalani, E. N.

In: Journal of Cell Science, Vol. 109, No. 1, 01.1996, p. 63-71.

Research output: Contribution to journalArticle

Williams, R. ; Stamp, G. W H ; Gilbert, C. ; Pignatelli, M. ; Lalani, E. N. / pS2 transfection of murine adenocarcinoma cell line 410.4 enhances dispersed growth pattern in a 3-D collagen gel. In: Journal of Cell Science. 1996 ; Vol. 109, No. 1. pp. 63-71.
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