Article (Scientific journals)
Identification of cytokine-induced nuclear factor-kappaB target genes in ovarian and breast cancer cells.
Deregowski, Valerie; Delhalle, Sylvie; Benoit, Valerie et al.
2002In Biochemical Pharmacology, 64 (5-6), p. 873-81
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Keywords :
Breast Neoplasms/pathology; Caveolin 1; Caveolins/analysis/genetics; Cell Transformation, Neoplastic/metabolism; Cytokines/metabolism; Ephrin-A1; Female; Gene Expression Profiling; Humans; NF-kappa B/genetics/metabolism; Oligonucleotide Array Sequence Analysis; Ovarian Neoplasms/pathology; Proteins/analysis/genetics; RNA, Messenger/analysis; Reverse Transcriptase Polymerase Chain Reaction; Tumor Cells, Cultured
Abstract :
[en] NF-kappaB is a pleiotropic transcription factor controlling the expression of many genes and viruses. NF-kappaB plays a role in immune response, cellular adhesion or acute phase response. It also inhibits apoptosis and favors cancer cell survival. We studied the expression of genes controlled by NF-kappaB in ovarian and breast adenocarcinoma cancer cells. We stably transfected OVCAR-3 and MCF7 A/Z cells with an expression vector coding for the mutated inhibitor IkappaBalpha, which sequesters NF-kappaB in the cytoplasm. We stimulated control and IkappaBalpha expressing cells with IL-1beta or TNF-alpha and extracted the RNA, which was reverse-transcribed and hybridized to DNA microarrays. Several of the genes identified were not known as NF-kappaB target genes. Among them, we confirmed the differential expression of ephrin-A1 and caveolin-1 by quantitative real-time polymerase chain reaction. Our results showed an NF-kappaB-dependent induction of ephrin-A1 and caveolin-1 mRNAs after stimulation with TNF-alpha and IL-1beta, confirming that NF-kappaB controls target genes implied in tumor angiogenesis and cell transformation.
Disciplines :
Genetics & genetic processes
Author, co-author :
Deregowski, Valerie
Delhalle, Sylvie
Benoit, Valerie
Bours, Vincent ;  Université de Liège - ULiège > Département des sciences biomédicales et précliniques > GIGA-R : Génétique humaine
Merville, Marie-Paule ;  Université de Liège - ULiège > Département de pharmacie > Chimie médicale
Language :
English
Title :
Identification of cytokine-induced nuclear factor-kappaB target genes in ovarian and breast cancer cells.
Publication date :
2002
Journal title :
Biochemical Pharmacology
ISSN :
0006-2952
eISSN :
1873-2968
Publisher :
Elsevier, Netherlands
Volume :
64
Issue :
5-6
Pages :
873-81
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 28 February 2018

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