Article (Scientific journals)
Association of fibroblastoid features with the invasive phenotype in human bronchial cancer cell lines
Polette, M.; Gilles, Christine; de Bentzmann, S. et al.
1998In Clinical and Experimental Metastasis, 16 (2), p. 105-12
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Keywords :
cadherin; lung cancer cells; metalloproteinases; tumor invasion; vimentin
Abstract :
[en] The acquisition of a metastatic phenotype by epithelial cells implicates a series of changes altering their differentiation, their overall behavior and morphology. In the present study, we have examined the relationships between the cellular morphology, E-cadherin expression, matrix metalloproteinases expression and in vitro invasive properties in two human bronchial immortalized cell lines. The (16HBE14o-) cell line which did not show any invasive abilities in the Boyden chamber assay displayed a typical epithelial morphology in monolayer, expressed high levels of E-cadherin and synthesized neither MMP-2 and MT1-MMP nor vimentin. In contrast, the BZR cell line which was highly invasive displayed a more elongated phenotype in monolayer, did not produce E-cadherin but expressed vimentin, MMP-2 and MT1-MMP. Our data therefore suggest that the metastatic progression of broncho-pulmonary cancer cells results in a cellular dedifferentiation and the gain of some mesenchymal attributes (loss of E-cadherin and expression of vimentin) associated with enhanced degradative properties (expression of metalloproteinases)
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Polette, M.
Gilles, Christine ;  Université de Liège - ULiège > Département des sciences cliniques > Labo de biologie des tumeurs et du développement
de Bentzmann, S.
Gruenert, D.
Tournier, J. M.
Birembaut, P.
Language :
English
Title :
Association of fibroblastoid features with the invasive phenotype in human bronchial cancer cell lines
Publication date :
1998
Journal title :
Clinical and Experimental Metastasis
ISSN :
0262-0898
Publisher :
Kluwer Academic Publishers, Dordrecht, Netherlands
Volume :
16
Issue :
2
Pages :
105-12
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 June 2010

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