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RNASeq of Candida-stimulated CD3+ T-cells from individuals with CARD9 mutations and normal controls

ABSTRACT: CD3+ T cells were enriched using the EasySep human T cell isolation kit (Stem cell technology). T cells from normal controls or patients with CARD9 mutations were co-cultured with monocytes of one normal control in the presence of heat killed candida. After 3 days, T cell were enriched again to remove the monocytes and total RNA was extracted from the T cells for the RNA-sequencing (RNASeq) evaluation. Targeted RNA sequencing library preparation was carried out using the Ion AmpliSeq Transcriptome Human Gene Expression Kit (Life Technologies), which profiles more than 20,000 human genes; each amplicon (~150 bp) represents a unique targeted gene (one transcript per gene). For library preparation, each sample was run in duplicate, and a cDNA library was generated from a minimum of 10 ng of total RNA. The cDNA was barcoded and amplified with Ion AmpliSeq technology, and the amplified cDNA Libraries were evaluated for quality and quantified with Agilent Bioanalyzer high-sensitivity chip. Libraries were then diluted to 100 pM and pooled equally, with 4 individual samples per pool. Pooled libraries were amplified and enriched with the Ion Chef System (Life Technologies). Templated libraries were then sequenced on an Ion Torrent Proton sequencing system (Life Technologies) with Ion PI HiQ kit and chip version 3. We performed gene-level differential expression analysis of targeted RNASeq data using R (v.3.5.3) and the Bioconductor packages DESeq2 (v.1.22.2).

ORGANISM(S): Homo sapiens

PROVIDER: GSE181718 | GEO | 2021/08/12

REPOSITORIES: GEO

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Project description:Purpose: The goals of this study are to determine the effect of microRNA-17 overexpression on 20,803 human genes in RASFs using Ion ProtonTM System platform. Human RASFs from two RA patients were transfected with pre-miR-17 or NC-pre-miR for 48 h and total RNA was prepared using miRNeasy kit (Qiagen). Total RNA integrity was checked using an Agilent Technologies 2100 Bio analyzer (Santa Clara, CA). 10 ng of high quality RNA was used to make cDNA for amplification with the Ion AmpliSeq Transcriptome Human Gene Expression kit (ThermoFisher Scientific). The cDNA was subjected to 12 cycles of amplification with panel primers and barcoded with adapters as recommended. Resulting sequencing libraries were quantified by qPCR using SYBR FAST master mix from KapaBiosystems (Wilmington, MA). Sets of eight libraries were balanced, pooled and sequencing beads produced on an Ion Chef. Sequencing was performed on an Ion P1 semi-conductor sequencing chip using an Ion Protonâ¢ System (ThermoFisher Scientific, Grand Island, NY). Data was collected and primary analysis performed using Torrent Suite software version 5.0.3. Reads were mapped to the panel and expression values determined. R Software version R-3.2.3 was used to generate heatmap. Among the panel of 20,803 genes, the expression of 15,067 genes as shown in the representative heat map was observed in pre-miR-17 and NC-pre-miR transfected RASFs. A total of 664 significantly modulated genes (301 upregulated and 363 downregulated) using Student âtâ test were further utilized for the IPA analysis. The result of IPA predicted the protein ubiquitin pathway as a major canonical pathway affected by the differentially regulated genes. Interestingly, IPA analysis generated an interactome that showed connectivity among various ubiquitin ligases, NF-ÔB family, AP-1/cJun, 20S and 26S proteasome system. Conclusion: Our results clearly shows the major pathways affected by miR-17 overexpression in RASFs were Protein ubiquitination related. mRNA profiles of pre-miR-17 and NC-pre-miR transfected RASFs were generated by AmpliSeq, in duplicate, using Ion Protonâ¢ System.

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RNASeq of Candida-stimulated CD3+ T-cells from individuals with CARD9 mutations and normal controls

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