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209492d9-00cc-4be5-b010-db7419495de5 - samples

ABSTRACT: Paired-end RNA-seq BAM files from 21 newborn screening dried blood spot (DBS) samples. These DBS samples were obtained from extremely low gestional age newborns, where 10 of them were affected by a fetal inflammatory response (FIR) before birth, and 11 were unaffected. Total RNA was sequenced using an Illumina NextSeq-500 instrument. The sample preparation protocol included the depletion of rRNA and globin mRNA using the Globin Zero Gold rRNA Removal Kit from Illumina. Libraries were prepared using the NebNext Ultra TM II Directionl RNA LIbrary Prep Kit (New England Biolabs). There is one BAM file per sample and there is an additional BAM file, corresponding to sample BS13, which was downsampled to 1/4 of its original depth (see BS13_README file for details).

PROVIDER: EGAD00001005009 | EGA |

REPOSITORIES: EGA

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03c9144d-f6cc-4999-89a4-dce179d42831 - samples

Project description:Paired-end RNA-seq FASTQ files from 21 newborn screening dried blood spot (DBS) samples. These DBS samples were obtained from extremely low gestional age newborns, where 10 of them were affected by a fetal inflammatory response (FIR) before birth, and 11 were unaffected. Total RNA was sequenced using an Illumina NextSeq-500 instrument. The sample preparation protocol included the depletion of rRNA and globin mRNA using the Globin Zero Gold rRNA Removal Kit from Illumina. Libraries were prepared using the NebNext Ultra TM II Directionl RNA LIbrary Prep Kit (New England Biolabs). Each sample was sequenced in 4 lanes, leading to 8 FASTQ files per sample and a total of 21x8=168 FASTQ files. There is an additional number of 8 FASTQ files corresponding to sample BS13, which was downsampled to 1/4 of its original depth (see BS13_README file for details).

| EGAD00001004991 | EGA

Table of gene-level RNA counts from newborn screening dried blood spot samples

Project description:Table of gene-level RNA counts from 21 newborn screening dried blood spot (DBS) samples. These DBS samples were obtained from extremely low gestional age newborns, where 10 of them were affected by a fetal inflammatory response (FIR) before birth, and 11 were unaffected. Total RNA was sequenced using an Illumina NextSeq-500 instrument. The sample preparation protocol included the depletion of rRNA and globin mRNA using the Globin Zero Gold rRNA Removal Kit from Illumina. Libraries were prepared using the NebNext Ultra TM II Directionl RNA LIbrary Prep Kit (New England Biolabs). Rows correspond to genes and columns to samples, where there is an additional column (BS13sub), corresponding to sample BS13, which was downsampled to 1/4 of its original depth.

| EGAD00010001707 | EGA

Evidence for immune activation in pathogenesis of the HLA class II associated disease, podoconiosis

Project description:RNA extracted from whole blood of healthy controls or podoconiosis patients and subject to RNA sequencing. Total RNA libraries were prepared using the QIAseq Stranded RNA library kit with rRNA and globin RNA depleted using the QIAseq FastSelect rRNA and globin mRNA removal kit.

2024-03-14 | E-MTAB-13860 | biostudies-arrayexpress

Project description:S_3595 Unaligned Bam File

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Comparative evaluation for the globin gene depletion methods for mRNA sequencing using the whole blood-derived total RNAs

Project description:Background: There are challenges in generating mRNA-Seq data from whole-blood derived RNA as globin gene and rRNA are frequent contaminants. Given the abundance of erythrocytes in whole blood, globin genes comprise some 80% or more of the total RNA. Therefore, depletion of globin gene RNA and rRNA are critical steps required to have adequate coverage of reads mapping to the reference transcripts and thus reduce the total cost of sequencing. In this study, we directly compared the performance of probe hybridization (GLOBINClear Kit and Globin-Zero Gold rRNA Removal Kit) and RNAse-H enzymatic depletion (NEBNext® Globin & rRNA Depletion Kit and Ribo-Zero Plus rRNA Depletion Kit) methods from 1 ug of whole blood-derived RNA on mRNA-Seq profiling. All RNA samples were treated DNaseI for additional cleanup before the depletion step and were processed for poly-A selection for library generation. Results: Probe hybridization revealed a better overall performance than the RNAse-H enzymatic depletion method, detecting a higher number of genes and transcripts without 3’ region bias. After depletion, samples treated with probe hybridization showed globin genes at 0.5% (±0.6%) of the total mapped reads; the RNAse-H enzymatic depletion had 3.2% (±3.8%). Probe hybridization showed more junction reads and transcripts compared with RNAse-H enzymatic depletion and also had a higher correlation (R>0.9) than RNAse-H enzymatic depletion (R>0.85). Conclusion: In this study, our results showed that 1 µg of high-quality RNA from whole blood could be routinely used for transcriptional profiling analysis studies with globin gene and rRNA depletion pre-processing. We also demonstrated that the probe hybridization depletion method is better suited to mRNA sequencing analysis with minimal effect on RNA quality during depletion procedures.

2020-11-30 | GSE150587 | GEO

Project description:Salix suchowensis NGS BAM file

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RNA-seq of Plasmodium vivax derived from clinical isolates

Project description:This project contains RNA-sequencing reads of Plasmodium vivax derived directly from clinical patients. Here, we aim to characterize the gene expression patterns in patients with various parasite compositions. Patients (n=10) were recruited from two malaria endemic areas in Thailand. Ten RNA samples were treated with DNase, followed by Epicentre Globin-Zero Gold kit to deplete rRNA and globin transcript. The RNA-seq libraries were sequenced on an Illumina HiSeq4000 platform to generate approximately 60 million paired-end reads of 150 bp for each sample.

2019-06-30 | E-MTAB-6753 | biostudies-arrayexpress

Genome-wide postnatal changes in immunity following fetal inflammatory response

Project description:The fetal inflammatory response (FIR) increases the risk of perinatal brain injury, particularly in extremely low gestational age newborns (ELGANs, < 28 weeks of gestation). One of the mechanisms contributing to such a risk is a postnatal intermittent or sustained systemic inflammation (ISSI) following FIR. The link between prenatal and postnatal systemic inflammation is supported by the presence of well-established inflammatory biomarkers in the umbilical cord and peripheral blood. However, the extent of molecular changes contributing to this association is unknown. Using RNA sequencing and mass spectrometry proteomics, we profiled the transcriptome and proteome of archived neonatal dried blood spot (DBS) specimens from 21 ELGANs. Comparing FIR-affected and unaffected ELGANs, we identified 782 gene and 27 protein expression changes of 50% magnitude or more, and an experiment-wide significance level below 5% false discovery rate. These expression changes confirm the robust postnatal activation of the innate immune system in FIR-affected ELGANs and reveal for the first time an impairment of their adaptive immunity. In turn, the altered pathway provide clues about the molecular mechanisms triggering ISSI after FIR, and the onset of perinatal brain injury.

2019-06-26 | PXD011626 | Pride

Homo sapiens

Project description:Homo sapiens OCP sequencing bam file

| PRJNA662159 | ENA

Evaluation of mRNA expression in the equine chorioallantoic membrane

Project description:Purpose:The goal of this study was to evalute gene expression patterns of equine chorioallantoic membrane during different stages of the pregnancy Method: mRNA profile of equine chorioallantoic membrane (CAM) from 45days, 4months, 6months and 10months (4 samples for each time points) generated by RNA-sequencing,using a Illumina HiSeq 4000 ( HiSeq 4000 sequencing kit version 1). The sequence reads were trimmed for adapters and quality using TrimGalore Version 0.4.4,and then mapped to EquCab2.0 using STAR-2.5.2b. Final quantification at the gen level was performed by analyzing the BAM files in cufflinks using the Equus_caballus_ENSEMBL_88 gtf file as Guide.

2018-11-19 | GSE108279 | GEO

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