Gene expression profiling of normal human pulmonary fibroblasts following coculture with non-small-cell lung cancer cells reveals alterations related to matrix degradation, angiogenesis, cell growth and survival

被引:41
作者
Fromigué, O
Louis, K
Dayem, M
Milanini, J
Pages, G
Tartare-Deckert, S
Ponzio, G
Hofman, P
Barbry, P
Auberger, P
Mari, B
机构
[1] Fac Med Pasteur, INSERM U526, F-06107 Nice 2, France
[2] Fac Med Pasteur, INSERM EPI0215, F-06107 Nice 2, France
[3] Fac Med Pasteur, INSERM U385, F-06107 Nice 2, France
[4] Ctr Antoine Lacassagne, CNRS, UNSA UMR 6543, F-06054 Nice, France
[5] IPMC, CNRS, UNSA UMR 6097, Sophia Antipolis, France
关键词
tumor-stroma; fibroblast; coculture; cDNA arrays; desmoplasia; stromelysin-3;
D O I
10.1038/sj.onc.1206918
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Increasing evidence supports a major role for the microenvironment in carcinoma formation and progression. The influence of the stroma is partly mediated by signalling between epithelial tumor cells and neighboring fibroblasts. However, the molecular mechanisms underlying these interactions are largely unknown. To mimic the initial steps of invasive carcinoma in which tumor cells come in contact with normal stromal cells, we used a coculture model of non-small-cell lung cancer tumor cells and normal pulmonary fibroblasts. Using DNA filter arrays, we first analysed the overall modification of gene expression profile after a 24 h period of coculture. Next, we focused our interest on the transcriptome of the purified fibroblastic fraction of coculture using both DNA filter arrays and a laboratory-made DNA microarray. These experiments allowed the identification of a set of modulated genes coding for growth and survival factors, angiogenic factors, proteases and protease inhibitors, transmembrane receptors, kinases and transcription regulators that can potentially affect the regulation of matrix degradation, angiogenesis, invasion, cell growth and survival. This study represents to our knowledge the first attempt to dissect early global gene transcription occurring in a tumor-stroma coculture model and should help to understand better some of the molecular mechanisms involved in heterotypic signalling between epithelial tumor cells and fibroblasts.
引用
收藏
页码:8487 / 8497
页数:11
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