Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA380923 | ENA |
REPOSITORIES: ENA
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Project description:Purpose: hsa_circ_0005505 stably knockdown cells (circ-sh1 and circ-sh2) and its corresponing control cells (con-sh) were constructed using its specific shRNAs. Next-generation sequencing (NGS) has used to examine hsa_circ_0005505 regulated transcripts. Methods: mRNA profiles of circsh1, circsh2 and con-sh were generated by deep sequencing using IlluminaI HiSeq 4000. The sequence reads that passed quality filters were analyzed at the transcript isoform level with two methods: Burrows–Wheeler Aligner (BWA) followed by ANOVA (ANOVA) and TopHat followed by Cufflinks. qRT–PCR validation was performed using SYBR Green assays Results: We found 816 and 909 transcripts downregulated in circ-sh1 and circ-sh2 cells compared with con-sh cells, respectively. But 712 and 723 transcripts upregulated in circ-sh1 and circ-sh2 cells compared with con-sh cells, respectively. The differential expression with a fold change ≥1.5 and p value <0.05. Conclusions: Our study represents the first detailed analysis of hsa_circ_0005505-regulated transcripts in breast cancer cells.
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Project description:Overexpression of miR-31 inhibits the migration and invasion ability of glioma cell. We sought to obtain the genes regulated by mir-31 in glioma cell line. The gene expression of U251-mir-31 (U251 over expressing mir-31) and U251-control. U251-Control and U251-mir-31 cells were cultured in DMEM cell culture media for RNA extraction and hybridization on Affymetrix.GeneChip.HG-U133_Plus_2.
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Project description:PARK2 (PARKIN) is an E3 ubiquitin ligase whose dysfunction has been associated with the progression of Parkinsonism and human malignancies, and its role in cancer remains to be explored. In this study, we investigated its role in glioma. We used microarrays to detail the global programme of gene expression upon PARK2 overexpression in U251 cells U251 cells with PARK2 overexpression or control (GFP) were subjected for RNA extraction and hybridization on Affymetrix microarrays.
2014-10-03 | E-GEOD-61973 | biostudies-arrayexpress
Project description:The objective of the study was to examine the gene expression changes in glioma cell line U87 and U251 with LAMP2A knockdown. There were 15 samples in total- U87-1, U87-2, U87-3, U87-1812-1, U87-1812-2, U87-1812-3, U251-1, U251-2, U251-3, U251-1812-1, U251-1812-2, U251-1812-3, U251-1813-1, U251-1813-2, and U251-1813-3. U87-1 to U87-3 and U251--1 to U251-3 were used as the control groups (CON). U87-1812-1 to U871812-3, U251-1812-1 to U251-1812-3, and U251-1813-1 to U251-1813-3 were used as the experimental groups (shLAMP2A-1 and shLAMP2A-2). The total RNA of each sample was extracted from the stable transfected glioma cells by using TRIzol reagent. Then the RNA samples were processed for high throughput transcriptome sequencing on Illumina HiSeq 3000 platform. There were two types of libraries: the circRNA, mRNA, and lncRNA were all constructed by removing rRNA (one library, three types of RNA were analyzed together), and the insert fragment was about 300bp; the small RNA was constructed and analyzed separately, mainly microRNA of about 22bp. Results: among 60612 cleaned mRNAs, 781 were differentially expressed in U87-1812 group compared with U87 group, 146 were differentially expressed in U251-1812 group compared with U251 group, 43 were differentially expressed in U251-1813 group compared with U251 group (padj ≤ 0.05 and expression change ≥2 fold). The differential expressed genes distributed in all chromosomes. Functional annotation with GO and KEGG enrichment revealed the top functional groups including inflammation, DNA replication, cell adhesion, TNF, IL17, and axon guidance signaling pathways.
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Project description:Expression data from PARK2 overexpression in U251 cells
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