Macrophage Ad5f35 M2 Challenge
Ontology highlight
ABSTRACT:
ORGANISM(S): Homo sapiens
PROVIDER: GSE120086 | GEO | 2019/09/01
REPOSITORIES: GEO
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Project description:Human monocyte derived macrophages (GM-CSF differentiated) were stimulated with control media, IFNy/LPS (M1), IL4 (M2), empty vector Ad5f35 (MOI 1000), or anti-HER2 CAR Ad5f35 (MOI 1000). RNA was harvested 48 hours post transduction with Ambion RiboPure RNA Purification Kit (Thermo Fisher) and RNA-Seq libraries were generated using TruSeq RNA Library Prep Kit (Illumina). Libraries were sequenced on 75bp single-end reads using a NextSeq (Illumina).
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Project description:<p>To determine IL-17-induced global transcriptome changes in midbrain neurons derived from induced pluripotent stem cells (iPSC) from three sporadic Parkinson's disease (PD) patients and three age- and sex-machted controls, deep RNA sequencing (RNA-Seq) of IL-17-treated and untreated PD and control iPSC-dderived midbrain neurons was performed. Total RNA was isolated from untreated and IL-17-treated cells with the TruSeq RNA Sample Preparation Kit v2 (Illumina). RNA libraries were quantified using the KAPA SYBR FAST ABI Prism Library Quantification Kit (Kapa Biosystems) and cluster generation was performed on the cBot with the TruSeq SR Cluster Kit v3 (Illumina). The sequencing run was performed on a HiSeq 1000 instrument (Illumina) using the indexed, 50 cycles single read (SR) protocol and the TruSeq SBS v3 Kit (Illumina). Image analysis and base calling resulted in .bcl files that were then converted into .fastQ files by the CASAVA1.8.2 software. FastQ files were aligned to the human genome (hg19) using STAR.and annotated with gencode.v19. DESeq2 was used to determine differential expression. Criteria to determine significantly dysregulated genes were as follows: adjusted p-value below 0.05 and log2FC (fold change) of greater than one. Only genes with a mean expression value of greater than one RPKM (reads per kilobase per million mapped reads) throughout the dataset were considered. Control and PD samples were analyzed as two independent datasets.</p> <p>Upon IL-17 treatment only 17 genes were found to be dysregulated in controls but 125 genes were dysregulated in iPSC-derived midbrain neurons from PD patients. The 125 IL-17-dependent genes in PD iPSC-derived neurons separated the treated from untreated PD samples using an unsupervised, hierarchical clustering applying an Euclidean distance metric.</p> <p>More detailed study information can be found in Sommer A, Maxreiter F, Krach F, Fadler T, Grosch J, Maroni M, Graef D, Eberhardt E, Riemenschneider MJ, Yeo GW, Kohl Z, Xiang W, Gage FH, Winkler J, Prots I, Winner B. Th17 Lymphocytes Induce Neuronal Cell Death in a Human iPSC-Based Model of Parkinson's Disease. Cell Stem Cell. 2018 Jul 5;23(1):123-131.e6. doi: 10.1016/j.stem.2018.06.015. PMID: 29979986</p>
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Project description:We employed miCLIP-seq to profile the location and extent of m6A in the Poly(A)+ transcriptome. Skin epithelial cells were isolated from wild-type P0 neonates by FACS. Total RNA was extracted by TRIzol-LS and Poly(A)+ RNA was extracted with Dynabeads™ mRNA Purification Kit (Thermo-Fisher, 61006). Input and miCLIP libraries was prepared from 3 biological replicates with each containing RNA isolated from 3 litters of neonates. Libraries were sequenced on the Illumina Hi-seq platform to generate paired-ended 50 bp reads. Sequencing data was processed as described in (Geula et al., 2015).
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2018-03-31 | E-MTAB-6526 | biostudies-arrayexpress
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Project description:Valproate(VPA) has been used in the treatment of bipolar disorder since the 1990s. However, the therapeutic targetsof VPA have remained elusive. Here we used RNA sequencing in human iPSCs derived from bipolar patients to further identify important molecular targets. Human iPSCs were homogenized and total RNA was isolated using the RNeasy Plus Micro Kit (Qiagen, Hilden, Germany). RNA quantity and quality were assessed using fluorometry (Qubit RNA Broad Range Assay Kit and Fluorometer; Invitrogen, Carlsbad, CA) and chromatography (Bioanalyzer and RNA 6000 Nano Kit; Agilent, Santa Clara, CA), respectively. Libraries were prepared using TruSeq Stranded mRNA (PolyA+) kit (Illumina, San Diego, CA) and sequenced by Illumina NextSeq 500. The read length was 75bp with 30-40M reads per sample. FastQC (v0.11.3) was performed to assess data quality. TopHat2 (v2.0.9) aligned the reads to the mouse reference genome (Mus musculus UCSC mm10) and to the Ensembl human reference genome (GRCh38.p13) using default parameters. Alignments were then converted to expression count data using HTseq (v0.6.1) with default union mode.
2020-12-31 | GSE160761 | GEO
Project description:Purpose: This study identifies the top transcripts expressed in mature erythrocytes and the top transcripts expressed in the polysome fractions of mature erythrocyte lysate Methods: RNA from total erythrocyte lysate and polysome fractions was isolated and purified using GeneJet RNA purification column (Thermo Fisher Scientific). The RNA library was prepared using NEBNext ULTRA II RNA library preparation kit for Illumina. The libraries were sequenced using Illumina Seq. Results: The transcriptome analysis revealed the abundance of mRNAs encoding globins genes, long non-coding RNAs, and micro RNAs. Deciphering the role and functions of these non-coding RNAs in these specialised cells could enable us to understand their biology in greater detail
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