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Analysis of transcripts regulated by Dicer and Argonaute proteins in human HEK-293 cells

ABSTRACT: HEK-293-derived cell lines depleted of Dicer or one of four Argonaute proteins were generated. Microarray analysis of these knock down cell lines and various control cell lines was performed to address how large the proportion of genes is that are regulated by RNA silencing in an individual cell type. Comparison of different arrays revealed commonly (up) regulated genes. The highest overlap was observed in Ago2 and Dicer knockdown cells. Keywords: different timepoints of induction of stable knock down cell lines compared to various control cell lines

ORGANISM(S): Homo sapiens

PROVIDER: GSE4246 | GEO | 2006/09/01

SECONDARY ACCESSION(S): PRJNA94909

REPOSITORIES: GEO

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Transcription profiling of human HEK-293 cells to identify Dicer and Argonaute regulated gene expression

Project description:HEK-293-derived cell lines depleted of Dicer or one of four Argonaute proteins were generated. Microarray analysis of these knock down cell lines and various control cell lines was performed to address how large the proportion of genes is that are regulated by RNA silencing in an individual cell type. Comparison of different arrays revealed commonly (up) regulated genes. The highest overlap was observed in Ago2 and Dicer knockdown cells. Experiment Overall Design: three control cell lines (T-Rex, shRNA, empty vector), two induvidual Argonaute 1 and 4 (Ago1kd, Ago4kd) knock down cell lines, one Argonaute 2 and 3 (Ago2kd, Ago3kd) and two induvidual Dicer knock down cell lines were analyzed as biological replicates

2008-06-12 | E-GEOD-4246 | biostudies-arrayexpress

Microarray based gene expression profiling of RNA binding protein, RBM10 in HEK 293 cells

Project description:To determine the target genes of RBM10,we have employed microarray based gene expression profiling by knocking down RBM10 in HEK 293 cells. Microarray analysis after RBM10 knockdown on HEK 293 cells showed that over 1000 genes were down regulated while another 800 genes up regulated as a result of the knockdown. Among the down regulated genes, we found the significant presence of cardiovascular disease related genes, especially cardiac hypertrophy and heart failure.

2018-09-13 | GSE114437 | GEO

Transcription profiling of human cells embryonic kidney cells (HEK 293 cell line) overexpressing different isoforms of hIMP1 protein

Project description:Regulation of presenilin genes. Presenilins are intramembrane aspartic proteases. These proteases are critical proteins in pathogenesis of Alzheimer's disease. The function of recently identified presenilin-homologous proteases (IMPAS or SPP)s is unknown. Our preliminary data in C.elegans model suggested the role of these proteins in early-development and , perhaps, in pathway related- to cholesterol -regulated signalling (Grigorenko et al, 2004, PNAS). The overall goal is to determine pattern of gene expression alterations in cells with knock-out or knock-down presenilin related proteins (IMPAS). The cultured cells, C.elegans and mouse models are planned to be used in this study. Initially, we will determine gene expression patterns in human cells embryonic kidney cells (HEK 293 cell line) overexpressing different isoforms of hIMP1 protein. We hypothesize that novel family of presenilin-related proteases is important for cholesterol-regulated intracellular signalling and early development (including CNS/neuronal development and function). We will examine in HEK 293 cells effect of over expression of 1) hIMP1 wt protein, 2) over expression of dominant negative isoform of hIMP1 protein and compare their gene expression patterns to 3) HEK 293 cells treated with mock vector. HEK 293 cells were seeded on 10 cm plates and transfected next day using Lipofectamine Plus reagent. 24 hours after cells were washed twice with ice cold PBS buffer and lysed with TRizol reagent directly on plates. Total RNA was extracted, purified according the manufacturer protocol and stored at -800C. We will provide 2 RNA samples for each hIMP1 isoform used in two different transfection experiment to reduce any spurious expression differences resulting from culture condition or transfection efficiency variations.

2008-06-14 | E-GEOD-6276 | biostudies-arrayexpress

Transcriptome analysis of HEK 293 cells after treatment with Quinolinol B23

Project description:This work describes the alteration in the expression of genes in response to quinolinol treatment, we noticed an enrichment in the HEK 293 YAP/TAZ signature

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Toxic effects of BDE209 in human embryonic kidney 293 cells (HEK 293)

Project description:PBDEs are widely used in consumer and household products as flame retardants. Many studies have shown that PBDEs could disrupt thyroid hormone homeostasis and adversely affect brain development. Here, we explored the toxical effects of BDE209 on HEK 293 cells and found that BDE209 may have a role in nucleosome remodeling. Many gene sets involved in cancer are enriched at the BDE209-treated sample. This indicates the carcinogenicity of BDE209. Interestingly, the impacts of BDE209 dissoved in DMSO on gene expression are more pronounced than the simple additive effects of BDE209 and DMSO alone. Gene expression profiles of human embryonic kidney 293 cells (HEK 293) cultured in normal medium, and medium containing BDE209 or DMSO were generated by deep sequencing, using Illumina HighSeq2000, respectively..

2014-04-21 | E-GEOD-56361 | biostudies-arrayexpress

BPA impacts on HEK 293 cells

Project description:BPA impacts on HEK 293 cells

| PRJEB4749 | ENA

Homo sapiens strain:HEK 293

Project description:Homo sapiens strain:HEK 293 Raw sequence reads

| PRJNA612416 | ENA

HEK-293 cells: Control cells transfected with hRIZ2 and rRIZ1

Project description:In order to evaluate the effects of RIZ2 overexpression on gene expression, a pilot expression study was performed through microarrays analysis. We compared the differential gene expression between HEK-293 cells overexpressing human RIZ2 (pEGFP-hRIZ2) and rat RIZ1 (pEGFP-rRIZ1) versus control cells transfected with the E-GFP empty vector alone (pEGFP).

2020-12-09 | GSE150031 | GEO

Metabolic Response of HEK 293 Cells Exposed to Methylmercury

Project description:HEK 293 cells were treated with 7.5 μM methylmercury (HgMe) for 48 h. Metabolites were extracted and subjected to LC-HRMS based metabolomics. LC-HRMS data were processed by SIEVE2.2 software. Metabolites associated with HgMe toxicity were screened and identified.

2021-04-27 | ST001776 | MetabolomicsWorkbench

Transcriptome analysis of HEK-293, A549 and HRT18 cells infected with shaan virus

Project description:propose: The goals of this study are viral transcript of host cells infected with shaan virus and host cell responses in HEK293, A549 and HRT18 infected with shaan virus. Methods: We infected the virus at an MOI of 0.5 to human tissues-derived cell lines including HEK-293, A549 and HRT18. The infected cells were harvested at 24 hours post infection, and a total RNA was extracted from the harvested cells with Trizol LS reagent. The trimmed reads were mapped to shaan virus genome or GRCh37 human genomic DNA reference. The differentially expressed genes (DEGs) between the virus-infected and mock-infected cells were calculated based on the fold changes of FPKM per each gene. Result: Viral transcripts were expressed differentially depending on the viral genes, it is obvious that the nucleocapsid (N) transcript was most expressed in all infected cells. Gene ontology enrichment analysis based on the DEGs revealed that HEK-293, A549 and HRT18 cells highly expressed the genes related to the antiviral defence system and innate immune response in response to the shaan virus infection. Conclusion: In this study, we describe transcriptome data from the shaan virus-infected cells. The inferred DEGs and their related biological functions can be further investigated to understand the shaanvirus-host interaction.

2021-02-02 | GSE165900 | GEO

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