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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Genome-wide analysis of control and MMP-14 (MT1-MMP) expressing MCF-7 cells growing in three-dimensional (3D) type I collagen gels versus monolayer cell culture conditions

ABSTRACT: In order to investigate the impact of MMP-14 (MT1-MMP) and three-dimensional (3D) culture conditions on the transcriptomes of a human breast adenocarcinoma cell line, we performed a microarray analysis from RNAs isolated from MCF-7 cells expressing either an empty vector (CTRL) or human MMP-14 cDNA (MT1) in monolayer (2D) and 3D collagen (3D Col) growth conditions. MCF-7 cells were stably transfected with either an empty vector (pcDNA3.1/Zeo) or human MMP-14 cDNA (pcDNA3.1-MMP-14/Zeo). Cells were grown for 24, 48 and 72 hours in three-dimensional (3D) type I collagen gels or in monolayer culture conditions. Cells were then lysed in TRIzol and total RNA was isolated. For each experimental condition, total RNAs isolated from 4 independant biological replicates were pooled.

ORGANISM(S): Homo sapiens

SUBMITTER: Erik Maquoi

PROVIDER: E-GEOD-49595 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Genome-wide analysis of MCF-7 cells expressing or not MMP-14 (MT1-MMP) growing in monolayer cell culture conditions

Project description:In order to investigate the impact of MMP-14 (MT1-MMP) on the transcriptomes of a human breast adenocarcinoma cell line, we performed a microarray analysis from RNAs isolated from MCF-7 cells expressing either an empty vector (VEC) or human MMP-14 cDNA (MT1) in monolayer growth conditions. MCF-7 cells were stably transfected with either an empty vector (pcDNA3.1/Zeo) or human MMP-14 cDNA (pcDNA3.1-MMP-14/Zeo). Cells were grown for 48 hours in monolayer culture. Cells were then lysed in TRIzol and total RNA was isolated. For each experimental condition, total RNAs isolated from 3 independant biological replicates were pooled.

2015-12-11 | E-GEOD-64320 | biostudies-arrayexpress

Genome-wide analysis of control and MMP-14 (MT1-MMP) expressing MCF-7 cells growing in three-dimensional (3D) type I collagen gels versus monolayer cell culture conditions

Project description:In order to investigate the impact of MMP-14 (MT1-MMP) and three-dimensional (3D) culture conditions on the transcriptomes of a human breast adenocarcinoma cell line, we performed a microarray analysis from RNAs isolated from MCF-7 cells expressing either an empty vector (CTRL) or human MMP-14 cDNA (MT1) in monolayer (2D) and 3D collagen (3D Col) growth conditions.

2014-12-15 | GSE49595 | GEO

Genome-wide analysis of MCF-7 cells expressing or not MMP-14 (MT1-MMP) growing in monolayer cell culture conditions

2015-12-11 | GSE64320 | GEO

Molecular Signature of MT1-MMP: Transactivation of the Downstream Universal Gene in Cancer

Project description:Genome-wide expression profiling of MT1-MMP–overexpressing versus MT1-MMP–silenced cancer cells and a further data mining analysis of the preexisting expression database of 190 human tumors of 14 cancer types led us to identify 11 genes, the expression of which correlated firmly and universally with that of MT1-MMP (P < 0.00001).

2008-06-11 | GSE11668 | GEO

MT1-MMP (MMP14)-dependent gene expression in APOE-null vascular smooth muscle cells (VSMCs)

Project description:VSMC-specific MT1-MMP gene targeting in APOE-null mice promotes atherosclerosis and iliac artery aneurysm formation. To determine the MT1-MMP-dependent regulation of VSMC function, whole-genome transcriptomes of wild-type and MT1-MMP-null APOE-null VSMCs were determined. We used microarray-based transcriptome analysis to detect MT1-MMP-dependent regulation of VSMC function under atherogenic conditions.

2017-08-01 | GSE100661 | GEO

Comparison of gene expression in mouse placentas with different combination of MT1-MMP and MT2-MMP alleles

Project description:MT1-MMP and MT2-MMP double deficiency in mice leads to development of a placental defect resulting in embryonic death after E10.5. The protein substrate for these two proteases in placenta is unknown, which poses an obstacle in uncovering of molecular mechanism behind the observed placental defect. In search for a potential substrate for these two proteases in placenta we have employed whole genome microarray expression profiling as a discovery platform to identify genes, expression of which might be affected by double MMP deficiency. Fetal parts of mouse placentas were isolated from E10.5 placentas of different genotypes for MT1- and MT2-MMP.

2010-03-09 | E-GEOD-18604 | biostudies-arrayexpress

MT1-MMP induces malignant transformation in Mammary cells

Project description:Expression of the MT1-MMP gene induces a significant upregulation of of oncogenes and tumorignenic genes in 184B5-MT1 cells. Keywords: Genetic modification

2006-06-21 | GSE5095 | GEO

Proteolytic inactivation of the autoinhibitory prodomain is essential for the pro-tumorigenic function of membrane type-1 matrix metalloproteinase (MT1-MMP)

Project description:Invasive cancers employ pericellular proteolysis to breach the extracellular matrix and basement membrane barriers and invade the surrounding tissue. Pro-invasive, pro-tumorigenic MT1-MMP is the primary mediator of proteolytic events on the cancer cell surface. Cellular MT1-MMP is synthesized as a latent zymogen. The latency of MT1-MMP is maintained by its N-terminal inhibitory prodomain. Our study reveals a critical mechanism underlying the activation pathway and subsequent execution of the tumor-promoting function of MT1-MMP. Evidence suggests that the prodomain undergoes intradomain cleavage at the PGD↓L50 cleavage site followed by the release of the degraded prodomain by furin cleavage of the R108RKR111↓Y112 site. These events, only if combined, cause the activation of MT1-MMP. The significance of these molecular events to the pro-tumorigenic function of MT1-MMP in malignancy remained, however, unidentified. To identify the functional importance of the PGD↓L50 intradomain cleavage in the activation and tumorigenic program of MT1-MMP, our current studies employed the cells which expressed the wild-type prodomain-based fluorescent biosensor and the mutant biosensor with the inactivated PGD↓L50 cleavage site (L50D mutant) and also the cells with the enforced expression the wild-type and mutant MT1-MMP. Using cell-based tests and orthotopic breast cancer xenografts in mice, we demonstrated that the intradomain cleavage of the PGD↓L50 sequence of the prodomain is essential for the pro-tumorigenic function of MT1-MMP. Our study contributes to the growing consensus for the design of selective, precisely focused MT1-MMP inhibitors in cancer. Analysis of global gene expression in orthotopic tumor and cultured breast cancer cells expressing wild-type and mutant Mt1-MMP forms

2011-06-01 | E-GEOD-28655 | biostudies-arrayexpress

Expression array of early postnatal Mt1-mmp-targeted mammary glands

Project description:Mammary gland branching morphogenesis is thought to depend on the mobilization of the membrane-anchored matrix metalloproteinases, MT1-MMP and MT2-MMP, that drive epithelial cell invasion by remodeling the extracellular matrix and triggering associated signaling cascades. However, the roles that these proteinases play during mammary gland development in vivo remains undefined. A mammary gland branching program that occurs during the first 10 days of early postnatal development was used to characterize the impact of global Mt1-mmp or Mt2-mmp targeting on mammary gland morphogenesis. Transcriptome profiling of ductal networks and associated stroma was used to investigate the functional roles of MT1-MMP in the early postnatal mammary gland in an unbiased fashion.

2016-10-05 | GSE77677 | GEO

RNAi profiling of human fibrosarcoma cell line knocked down for MT1-MMP

Project description:To define the role of MT1-MMP in the tumor progression, we suppressed its expression in human fibrosarcoma cell line, HT1080, using RNAi technique. The gene expression pattern was then compared betweent the two experimental cell groups with contrasting MT1-MMP expression level.

2008-10-25 | E-GEOD-1774 | biostudies-arrayexpress

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