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Transcriptomic profiling of Ewing's sarcoma cell lines after knockdown of TRIP6

ABSTRACT: This study aimed to explore the role of the Zyxin-related protein TRIP6 (thyroid receptor interacting protein 6) in Ewing's sarcoma (ES). By interrogation of published miccroarray data, we observed that of all seven Zyxin-proteins only TRIP6 is highly overexpressed in ES compared to normal tissues. RNA interference experiments and subsequent microarray and gene-set enrichment analyses indicated that TRIP6 expression is associated wth a pro-proliferative and pro-invasive transcriptional signature. Consistently, functional assays demonstrated that TRIP6 promotes migration, invasion, long-term proliferation and clonogencity of ES cells.

ORGANISM(S): Homo sapiens

PROVIDER: GSE48010 | GEO | 2014/01/01

SECONDARY ACCESSION(S): PRJNA208667

REPOSITORIES: GEO

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Transcriptomic profiling of Ewing's sarcoma cell lines after knockdown of TRIP6

Project description:This study aimed to explore the role of the Zyxin-related protein TRIP6 (thyroid receptor interacting protein 6) in Ewing's sarcoma (ES). By interrogation of published miccroarray data, we observed that of all seven Zyxin-proteins only TRIP6 is highly overexpressed in ES compared to normal tissues. RNA interference experiments and subsequent microarray and gene-set enrichment analyses indicated that TRIP6 expression is associated wth a pro-proliferative and pro-invasive transcriptional signature. Consistently, functional assays demonstrated that TRIP6 promotes migration, invasion, long-term proliferation and clonogencity of ES cells. A673 and SK-N-MC Ewing sarcoma cells were transfected with specific siRNA against TRIP6 (siTRIP6_4 or siTRIP6_5) or negative control siRNA (siControl) or Mock-transfected.

2014-01-01 | E-GEOD-48010 | biostudies-arrayexpress

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Project description:Exosomes are small RNA and protein containing vesicles that can mediate hetero- and homotypic intercellular communication between normal and malignant cells. Especially, tumor-derived exosomes are believed to mediate reprogramming of the tumor-associated stroma to favor tumor growth and metastasis. In this study we isolated exosomes from three different Ewing’s sarcoma (ES) cell lines by ultracentrifugation. Microarray analysis of ES-derived exosomes and their parental cells was performed to gain insight into the spectrum of transcripts they contain and the functions in which these transcripts might be involved in. In total we analyzed six different samples consisting of three pairs of exosomal and cellular RNA of different Ewing's sarcoma cell lines.

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