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MiRNA arrays: Ago2 transfected vs. Mock, Ago2 IP vs. total RNA

ABSTRACT: miRNAs were enriched from HEK293T cells using the ambion FLASHPAGE fractionater after mock transfection, Ago2 transfection, and FLAG-Ago2 IP. miRNAs were labeled and hybridized: Ago2 transfected vs. mock transfection and Ago2 transfected vs. Ago2 IPs. Set of arrays that are part of repeated experiments Keywords: Biological Replicate

ORGANISM(S): Homo sapiens

PROVIDER: GSE11081 | GEO | 2008/04/08

SECONDARY ACCESSION(S): PRJNA108831

REPOSITORIES: GEO

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miRNA arrays: Ago2 transfected vs. Mock, Ago2 IP vs. total RNA

Project description:miRNAs were enriched from HEK293T cells using the ambion FLASHPAGE fractionater after mock transfection, Ago2 transfection, and FLAG-Ago2 IP. miRNAs were labeled and hybridized: Ago2 transfected vs. mock transfection and Ago2 transfected vs. Ago2 IPs. Set of arrays that are part of repeated experiments Keywords: Biological Replicate Biological Replicate Computed

2008-04-07 | E-GEOD-11081 | biostudies-arrayexpress

mRNAs associated with Ago2: Ago2, Ago2+miR-1, Ago2+miR-124, mock transfected

Project description:As a core RISC component, Ago2 associates with miRNAs and target mRNAs. To identify these mRNAs, we ran lysate from HEK293T cells over a FLAG resin from 2 conditions: +FLAG-Ago2, +mock transfection. To identify mRNAs associated with specific miRNAs, we ran lysate from HEK293T cells over a FLAG resin from 2 conditions: +FLAG-Ago2 & miR-1, and +FLAG-Ago2 & miR-124. Set of arrays that are part of repeated experiments Compound Based Treatment: mock transfected Keywords: Biological Replicate

2008-04-08 | GSE11079 | GEO

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Expression data HEK293T cells transfected with either Ago2, Ago2 + miR-1, Ago2 + miR-124, mock

Project description:HEK293T cell expression data from four conditions: mock transfection, Ago2 transfection, Ago2 & miR-1 transfection, and Ago2 & miR-124 transfection. RNA was isolated directly from 10cm dishes using Trizol reagent and amplified. Set of arrays that are part of repeated experiments Compound Based Treatment: FLAG-Ago2 transfection Keywords: Biological Replicate

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Expression data HEK293T cells transfected with either Ago2, Ago2 + miR-1, Ago2 + miR-124, mock

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Ago1 vs Ago2-IP small RNA deep-sequencing with age in Drosophila

2014-01-01 | GSE52961 | GEO

Ago1 vs Ago2-IP small RNA deep-sequencing with age in Drosophila

Project description:Drosophila miRNAs show distinct change in isoform distribution pattern with age. Some miRNAs show accumulation of the short isoforms, while other miRNAs show the accumulation of the long isoforms with age. The increase of the long isoforms of some miRNAs reflects increased 2'-O-methylated miRNA isoforms with age. The increase in 2'-O-methylated miRNA isoforms reflected increased Ago2-loading, but not Ago1-loading of specific miRNA isoforms with age. This raised a question on whether there is global shift in small RNA loading pattern between Ago1 and Ago2 with age. To investigate change in small RNA loading pattern between Ago1 and Ago2 with age, we performed small RNA deep-sequencing of Ago1 vs Ago2-IP small RNAs at 3d and 30d in Drosophila. This analysis revealed global increase of miRNA loading into Ago2, but not into Ago1 with age. 3d and 30d FLAG-HA-Ago2 male flies were collected. Ago1 and Ago2 were immunoprecipitated by anti-Ago1 and anti-FLAG M2 beads respectively. RNA was purified from the beads, P32-labeled, and small RNA fraction was gel-purififed. Small RNA libraries were prepared using Illumina's TruSeq small RNA sample preparation kit (#RS-200-0012, Illumina, Inc. San Diego, CA), following the manufacturer's protocol. The libraries were multiplexed and sequenced on HiSeq2000 platform (Illumina).

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2091 mock vs. 2091 E2F4 IP - Human 13K

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Identification of miRNA targets in breast cancer cells (Ago2-IP)

Project description:miRNAs regulate mRNA stability and translation through the action of the RNAi-induced silencing complex. In this study, we systematically identified endogenous miRNA target genes by using AGO2 immunoprecipitation (AGO2-IP) and microarray analyses in two breast cancer cell lines, MCF7 and MDA-MB-231, representing luminal and basal-like breast cancer, respectively. The expression levels of ~70% of the AGO2-IP mRNAs were increased by DROSHA or DICER1 knockdown. In addition, integrated analysis of miRNA expression profiles, mRNA-AGO2 interaction, and the 3'-UTR of mRNAs revealed that >60% of the AGO2-IP mRNAs were putative targets of the fifty most abundantly expressed miRNAs.

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