Article (Scientific journals)
In vivo evidence that the stromelysin-3 metalloproteinase contributes in a paracrine manner to epithelial cell malignancy
Masson, R.; Lefebvre, O.; Noël, Agnès et al.
1998In Journal of Cell Biology, 140, p. 1535-1541
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Abstract :
[en] Stromelysin-3 (ST3; Basset, P., J.P. Bellocq, C. Wolf, I. Stoll, P. Hutin, J.M. Limacher, O.L. Podhajcer, M.P. Chenard, M.C. Rio, P. Chambon. 1990. Nature. 348:699–704) is a matrix metalloproteinase (MMP) expressed in mesenchymal cells located close to epithelial cells, during physiological and pathological tissue remodeling processes. In human carcinomas, high ST3 levels are associated with a poor clinical outcome, suggesting that ST3 plays a role during malignant processes. In this study we report the ST3 gene inactivation by homologous recombination. Although ST3 null mice (ST3−/−) were fertile and did not exhibit obvious alterations in appearance and behavior, the lack of ST3 altered malignant processes. Thus, the suppression of ST3 results in a decreased 7,12-dimethylbenzanthracene-induced tumorigenesis in ST3−/− mice. Moreover, ST3−/− fibroblasts have lost the capacity to promote implantation of MCF7 human malignant epithelial cells in nude mice (P < 0.008). Finally, we show that this ST3 paracrine function requires extracellular matrix (ECM)-associated growth factors. Altogether, these findings give evidence that ST3 promotes, in a paracrine manner, homing of malignant epithelial cells, a key process for both primary tumors and metastases. Therefore, ST3 represents an appropriate target for specific MMP inhibitor(s) in future therapeutical approaches directed against the stromal compartment of human carcinomas.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Masson, R.
Lefebvre, O.
Noël, Agnès ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Biologie cellulaire et moléculaire appliquée à l'homme
El Fahime, M.
Chenard, M.-P.
Wendling, C.
Kebers, F.
Le Meur, M.
Dierich, A.
Foidart, Jean-Michel ;  Université de Liège - ULiège > Département des sciences cliniques > Gynécologie - Obstétrique - Labo de biologie des tumeurs et du développement
Basset, P.
Rio, M. C.
Language :
English
Title :
In vivo evidence that the stromelysin-3 metalloproteinase contributes in a paracrine manner to epithelial cell malignancy
Publication date :
1998
Journal title :
Journal of Cell Biology
ISSN :
0021-9525
eISSN :
1540-8140
Publisher :
Rockefeller University Press, New York, United States - New York
Volume :
140
Pages :
1535-1541
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 May 2010

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