Unknown,Transcriptomics,Genomics,Proteomics

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RNAi profiling of human MDA-MB-231 cells knocked down for RhoGDIbeta


ABSTRACT: RhoGDIbeta (ARHGDIB) is often expressed in tumor cells. It negatively regulates Rho-GTPases, but may have other functions as well. To analyze its effect on gene expression, RhoGDIbeta was suppressed by RNA interference in MDA-MB-231 breast cancer cells and changes in gene expression monitored by cDNA microarrays. Experiment Overall Design: MDA-MB-231 cells were either transfected with a RhoGDIbeta-specific siRNA or a control siRNA (siLuc), grown for three days, harvested and lysed for total RNA isolation. RNA was subjected to cDNA microarray analysis by using Affymetrix chip HG-U133A. A total of three independent transfection experiments were performed. The samples obtained from experiments 1, 2 and 3 were designated as siLuc_rep1, siLuc_rep2, siLuc_rep3 (siLuc transfected) and siARH_rep1, siARH_rep2, siARH_rep3 (siRhoGDIbeta transfected), respectively.

ORGANISM(S): Homo sapiens

SUBMITTER: Juergen Dittmer 

PROVIDER: E-GEOD-8087 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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