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ETV1 knockdown in GIST cell lines

ABSTRACT: ETV1 is highly expressed in GIST cells and required for their survival and growth. To identify genes and pathways regulated by ETV1 in GIST, we performed expression profiles of GIST cells after ETV1 knockdown.

ORGANISM(S): Homo sapiens

PROVIDER: GSE19396 | GEO | 2010/10/13

SECONDARY ACCESSION(S): PRJNA129737

REPOSITORIES: GEO

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ETV1 knockdown in GIST cell lines

Project description:ETV1 is highly expressed in GIST cells and required for their survival and growth. To identify genes and pathways regulated by ETV1 in GIST, we performed expression profiles of GIST cells after ETV1 knockdown. Two GIST cell lines (GIST48 and GIST882) were infected in duplicate with three shRNA viruses (Scrambled, ETV1sh1-B11TRCN0000013923, ETV1sh2-TRCN0000013925). Four days after infection, RNA was harvested for expression profiling.

2010-10-13 | E-GEOD-19396 | biostudies-arrayexpress

Mapping of ETV1 genomic binding sites in gastrointestinal stromal tumor (GIST).

2010-10-14 | GSE22441 | GEO

Mapping of ETV1 genomic binding sites in gastrointestinal stromal tumor (GIST).

Project description:ETV1 is highly expressed in GIST and their presumed precursors--the interstitial cells of Cajal. ETV1 is required for survival for both GIST and ICC and regulates GIST signature genes. Here, using Illumina-Solexa based next-generation sequencing of ETV1 chromatin immunoprecipates (ChIP-Seq), we define ETV1 binding sites in the GIST48 cell line. Crosslinked ChIP using input control ETV1 ChIP in GIST48 cells. Details: GIST48 cells were crosslinked for 15-minutes in 1% parformaldehyde. Cells were lysed and chromatin sheared using bioruptor. Sheared chromatin was incubated with anti-rabbit IgG dynabeads pre-conjugated with anti-ETV1 antibody (Abcam Ab81086, Lot 787879), washed, eluted, reverse cross-linked, and purified. Purified ChIP DNA was blunt-ended, ligated to Solexa adaptors, amplified with 18-cycles of PCR, and sequenced on Solexa Genome Analyzer. All reads (~36-bp) from ChIP-Seq were aligned to the human genome (build 36, or hg18) using the ELAND alignment software within the Illumina Analysis Pipeline. Unique reads mapped to a single best-matching location with no more than two mismatches were kept and used to generate genome-wide distribution of ETV1-binding and for peak identification. Redundant reads were considered once.

2010-10-14 | E-GEOD-22441 | biostudies-arrayexpress

ETV1 binding sites in GIST and Melanoma cells

Project description:ETV1 is an oncogene in GIST and melanoma and a downstream transcriptional effector of MAP kinase signaling. Here, mapped the ETV1 binding sites in GIST and melanoma cell lines using ChIP-seq.

2018-04-15 | GSE80443 | GEO

RNA-Seq of murine GIST-like tumors after Etv1 ablation

Project description:We used a mouse expressing three alleles 1) KitV558Delta/+ activating allele that develop GIST-like tumors in the cecum, 2) Etv1 flox/flox conditional knockout allele and 3) Rosa26-CreERT2 tamoxifen activated Cre allele. Mice were treated with either Tamoxifen (to delete Etv1) or corn oil (control). Cecal tumors were isolated for gene expression profiling by RNA-Seq. Expression profile mouse cecal GIST tumor with or without Etv1 ablation was generated by RNA-Seq

2015-01-01 | E-GEOD-64608 | biostudies-arrayexpress

RNA-Seq of murine GIST-like tumors after Etv1 ablation

2015-01-01 | GSE64608 | GEO

Gastrointestinal stromal tumor GIST: gene expresssion and ChIP analyses

Project description:This SuperSeries is composed of the following subset Series: GSE19396: ETV1 knockdown in GIST cell lines GSE22433: Imatinib Treatment of GIST882 GSE22441: Mapping of ETV1 genomic binding sites in gastrointestinal stromal tumor (GIST). Refer to individual Series

2010-10-14 | E-GEOD-22852 | biostudies-arrayexpress

Chromatin accessibility of GIST48, GIST882 and GIST-T1 cells with ETV1 or FOXF1 knockdown

Project description:Chromatin accessibility of GIST48, GIST882 and GIST-T1 cells with ETV1 or FOXF1 knockdown

| PRJNA417537 | ENA

Gene expression profile of ETV1 knockdown in LNCaP prostate cancer cells

Project description:Over half of prostate cancer harbor overexpression of ETS transcription factors including ERG and ETV1. LNCaP prostate cancer cells have an ETV1 translocation to the MIPOL1 locus on 14q13.3-13q21.1. To determine genes regulated by ETV1, we performed shRNA mediated knockdown of ETV1 using two lentiviral constructs as well as a scrambled shRNA in triplicate. Two pLKO.1 constructs against ETV1 (ETV1sh1: TRCN0000013923, targeting GTGGGAGTAATCTAAACATTT in 3'(B UTR; and ETV1sh2: TRCN0000013925, targeting CGACCCAGTGTATGAACACAA in exon 7) were purchased from Open Biosystems and pLKO.1 shScr (targeting CCTAAGGTTAAGTCGCCCTCG) was purchased from Addgene. RNA was harvested 3 days after infection and gene expression profiling was performed. Among genes downregulated were many well characterized androgen regulated genes.

2013-05-10 | GSE46329 | GEO

Gene expression profile of ETV1 knockdown in LNCaP prostate cancer cells

2013-05-10 | E-GEOD-46329 | biostudies-arrayexpress

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