Article (Scientific journals)
Tumor collagenase stimulatory factor (TCSF) expression and localization in human lung and breast cancers.
Polette, M.; Gilles, Christine; Marchand, V. et al.
1997In Journal of Histochemistry and Cytochemistry, 45 (5), p. 703-9
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Keywords :
TCSF; metalloproteinases; tumor invasion
Abstract :
[en] Tumor cell-derived collagenase stimulatory factor (TCSF) stimulates in vitro the biosynthesis of various matrix metalloproteinases involved in tumor invasion, such as interstitial collagenase, gelatinase A, and stromelysin 1. The expression of TCSF mRNAs was studied in vivo, using in situ hybridization and Northern blotting analysis, in seven normal tissues and in 22 squamous cell carcinomas of the lung, and in seven benign proliferations and in 22 ductal carcinomas of the mammary gland. By in situ hybridization, TCSF mRNAs were detected in 40 of 44 carcinomas, in pre-invasive and invasive cancer cells of both lung and breast cancers. TCSF mRNAs and gelatinase A mRNAs were both visualized in the same areas in serial sections in breast cancers, and were expressed by different cells, tumor cells, and fibroblasts. The histological results were confirmed by Northern blot analysis, which showed a higher expression of TCSF mRNAs in cancers than in benign and normal tissues. These observations support the hypothesis that TCSF is an important factor in lung and breast tumor progression.
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
Marchand, V.
Lorenzato, M.
Toole, B.
Tournier, J. M.
Zucker, S.
Birembaut, P.
Language :
English
Title :
Tumor collagenase stimulatory factor (TCSF) expression and localization in human lung and breast cancers.
Publication date :
1997
Journal title :
Journal of Histochemistry and Cytochemistry
ISSN :
0022-1554
eISSN :
1551-5044
Publisher :
Histochemical Society, New York, United States - New York
Volume :
45
Issue :
5
Pages :
703-9
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 22 June 2010

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