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Exon level expression data from the liver of adult control and Dhx32 homozygous mutant mice

ABSTRACT: We compared the whole mRNA transcript expression from control and homozygous mutant Dhx32 mice by Affymetrix Mouse Exon ST 1.0 Array ST to identify alternatively spliced mRNA transcripts We include exon level expression data from the liver of three control and three Dhx32 homozygous mutant mice

ORGANISM(S): Mus musculus

PROVIDER: GSE15133 | GEO | 2011/11/17

SECONDARY ACCESSION(S): PRJNA114889

REPOSITORIES: GEO

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Exon level expression data from the liver of adult control and Dhx32 homozygous mutant mice

Project description:We compared the whole mRNA transcript expression from control and homozygous mutant Dhx32 mice by Affymetrix Mouse Exon ST 1.0 Array ST to identify alternatively spliced mRNA transcripts We include exon level expression data from the liver of three control and three Dhx32 homozygous mutant mice 6 total samples (three control and three Dhx32 homozygous mutant) were analyzed. The p values for alternatively spliced transcripts were calculated by using the algorithms of Partek Genomics Suite version 6.4, on core probes excluding probe sets with signals less than 3.

2011-11-17 | E-GEOD-15133 | biostudies-arrayexpress

Comparison of exon-wise expression profiling between normal and cancer tissues of human stomach

2014-07-12 | GSE30727 | GEO

Comparison of exon-wise expression profiling between normal and cancer tissues of human stomach

Project description:Gastric cancers account for the fourth most frequent cancer death worldwide. Although many differential gene expression profiles are reported for gastric cancers, their variation at the post-transcriptional level has not been provided yet. In this study, we compared the gene expressions of normal stomach vs. stomach cancer in an exon-wise manner and compared alternatively spliced transcripts. The RNA from normal and cancer tissues of gastric cancer patients were subjected to Exon 1.0 ST microarrays. Transcriptome analysis of RNAs from normal and cancer tissues of human stomach by exon array. We analyzed 30 pairs of normal-cancer stomach tissues using the Affymetrix Human Exon 1.0 ST platform. Array data was processed by the Affymetrix Exon Array Computational Tool.

2014-07-12 | E-GEOD-30727 | biostudies-arrayexpress

Identification of the altered transcripts in the NMF291–/– cerebellum by exon array.

Project description:The U2 snRNA is a basal component of the major spliceosome, which is responsible for >90% human pre-mRNA splicing. A 5-nucleotide deletion in one of the mouse U2 snRNA genes (Rnu2-8) causes cerebellar granule cell degeneration in the NMF291 mouse mutant strain. To identify the altered transcripts in the NMF291–/– cerebellum, we interograted Affy. mouse 1.0 ST Exon arrays with total RNAs from three postnatal-30-day (P30) wild type and three NMF291–/– cerebella.

2011-10-20 | GSE33069 | GEO

Exon expression profiling of de novo diffuse large B-cell lymphoma samples

Project description:Exon expression profiling was performed on 37 clinical DLBCL samples and subsequently analyzed using alternative splice analysis of vairance (asANOVA) implemented in Partek Genomics Suite in order to identify alternative spliced genes. Diffuse large B-cell lymphoma (DLBCL) is a very heterogeneous malignant disease with diverse clinical presentation, outcome, and pathogenic mechanism. In order to better risk stratify patients there is a current need to find and validate new biomarkers of the disease. An alternatively spliced transcript of NOTCH3 missing exon 16 was identified and displayed prognostic and predictive biomarker potential.

2019-02-05 | GSE110548 | GEO

Identification of the altered transcripts in the NMF291–/– cerebellum by exon array.

2011-10-19 | E-GEOD-33069 | biostudies-arrayexpress

Affymetrix Research Exon Array Tissue Panel Data

Project description:Manuscript Title: Discovery of tissue-specific exons using comprehensive human exon microarrays We have designed a high-density oligonucleotide microarray with probesets for more than one million annotated and predicted exons in the human genome. Using these arrays and a simple algorithm that normalizes exon signal to signal from the gene as a whole, we have identified tissue-specific exons from a panel of 16 different normal adult tissues. Pair-wise comparisons between the tissues suggest that 75% of detected genes are differentially alternatively spliced. We also demonstrate how an inclusive exon microarray can be used to discover novel alternative splicing events. As examples, 15 new tissue-specific exons from 9 genes were validated by RT-PCR and sequencing. Keywords: exon analysis

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p53 exon 11 mutants generated by CRISPR/Cas9 result in aberrant alternative splicing.

Project description:The Tp53 gene encodes the famous tumor suppressor protein p53. This gene is encoded in 11 exons and various alternative spliced versions of the transcripts have been detected. Here we generated targeted mutations in human colon cancer cell line HCT116 using CRISPR/Cas9 genome editing tools. The mutations were targeted to the 5' end of Tp53 gene exon 11. CRISPR/Cas9 transfected cells were allowed to repair double stranded breaks by non-homologous end joining. Mutant cell pools were single cell cloned and analyzed by Sanger DNA sequencing. Three mutant clones, mut4, mut5 and mut9 were found to contain biallelic homozygous mutations. Poly adenylated RNA was isolated from mutant cell pools was isolated and sequenced by Illumina RNASeq in triplicate. We find that exon 11 mutations result in the alternative splicing of earlier exons and cause the expression of the p53beta alternative splice product. This C-terminally deleted protein has been associated with the induction of senescence. We thus identify an exonic splicing silencer in exon 11 of the Tp53 gene which normally suppressed alternative splicing events that encode the p53beta variant. This sequence and the factors that associate with it are prime candidates for targeting, which may induce p53beta splicing and the induction of senescence in tumors.

2020-05-01 | GSE131416 | GEO

Exon arrays from HeLa cells transfected with GFP-ZRANB2 vector

Project description:Human ZRANB2 mRNA is alternatively spliced to give two variants with different 3’ ends. Both isoforms are present in the nucleus of human cells. ZRANB2 binds to mRNA, as well as the essential splicing factors U170K and U2AF35, and the novel splicing component SFRS17A (formerly known as XE7). It has been shown to alter splicing patterns of Tra2β1 minigene primary transcripts in a dose-dependent manner. It is still unclear what role ZRANB2 plays in the regulation of alternative splicing. To determine the endogenous transcripts that are targeted by ZRANB2 at the genome wide level, we decided to perform exon microarray studies and analyzed the suitability of this method to examine splicing differences in human cells overexpressing a splicing factor.

2012-12-15 | GSE32932 | GEO

Exon arrays from HeLa cells transfected with GFP-ZRANB2 vector

Project description:Human ZRANB2 mRNA is alternatively spliced to give two variants with different 3M-bM-^@M-^Y ends. Both isoforms are present in the nucleus of human cells. ZRANB2 binds to mRNA, as well as the essential splicing factors U170K and U2AF35, and the novel splicing component SFRS17A (formerly known as XE7). It has been shown to alter splicing patterns of Tra2M-NM-21 minigene primary transcripts in a dose-dependent manner. It is still unclear what role ZRANB2 plays in the regulation of alternative splicing. To determine the endogenous transcripts that are targeted by ZRANB2 at the genome wide level, we decided to perform exon microarray studies and analyzed the suitability of this method to examine splicing differences in human cells overexpressing a splicing factor. GFP-ZRANB2 construct containing isoform 2 (short form, SF) of ZRANB2 was used. This construct includes exon 1 through to alternative exon 10. Isoform 2 was chosen since it has been shown previously to affect alternative splicing of a Tra2M-NM-21 minigene. HeLa cells were transfected with GFP-ZRANB2, control vector GFP or were left untransfected. RNA was extracted using a Qiagen RNA extraction kit. Experiments were run in 5 replicates.

2012-12-15 | E-GEOD-32932 | biostudies-arrayexpress

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