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Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: Hematopoietic Stem Cell Transplant [HSCT]

ABSTRACT: Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: Hematopoietic Stem Cell Transplant [HSCT]

PROVIDER: PRJNA520874 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8526870.fastq.gz	Fastqsanger.gz
	SRR8526880.fastq.gz	Fastqsanger.gz
	SRR8526890.fastq.gz	Fastqsanger.gz
	SRR8526900.fastq.gz	Fastqsanger.gz
	SRR8526871.fastq.gz	Fastqsanger.gz

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Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: Hematopoietic Stem Cell Transplant [HSCT]

Project description:Extracellular RNAs (exRNAs) in blood and other biofluids have attracted great interest as potential biomarkers in liquid biopsy applications, as well as for their potential biological functions. Whereas it is well-established that extracellular microRNAs are present in human blood circulation, the degree to which messenger RNAs (mRNA) and long noncoding RNAs (lncRNA) are represented in plasma is less clear. Here we report that mRNA and lncRNA species are present as small fragments in plasma that are not detected by standard small RNA-seq methods, because they lack 5'-phosphorylation or carry 3'-phosphorylation. We developed a modified sequencing protocol (termed "phospho-sRNA-seq") that incorporates upfront RNA treatment with T4 polynucleotide kinase (which also has 3' phosphatase activity) and compared it to a standard small RNA-seq protocol, using as input both a pool of synthetic RNAs with diverse 5' and 3' end chemistries, as well exRNA isolated from human blood plasma. Using a custom, high-stringency pipeline for data analysis we identified mRNA and lncRNA transcriptome fingerprints in plasma, including multiple tissue-specific gene sets. In a longitudinal study of hematopoietic stem cell transplant (HSCT) patients, we found different sets corresponding to bone marrow- and liver- enriched genes, which tracked with bone marrow recovery or liver injury, providing proof-of-concept validation of this method as a biomarker approach. By accessing a previously unexplored realm of mRNA and lncRNA fragments in blood plasma, phospho-sRNA-seq opens up a new space for plasma transcriptome-based biomarker development in diverse clinical settings.

2019-05-03 | GSE126050 | GEO

Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma:

Project description:Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma:

| PRJNA520872 | ENA

Expression data from whole blood in CD patients undergoing HSCT.

Project description:Treatment of severely refractory Crohn’s disease (CD) patients remains a clinical challenge. Recent studies show efficacy of autologous hematopoietic stem cell transplant (HSCT) in these severely compromised patients. HSCT is thought to eliminate auto-reactive cells; however the mechanisms are incompletely understood. We followed a group of patients (n=18) receiving autologous HSCT, with 50% of them achieving endoscopic drug-free remission. To elucidate the mechanism driving efficacy we compared the immunological changes induced by HSCT in responders and non-responders.

2019-01-23 | GSE100922 | GEO

RNA-seq mouse donor T-cells 7 days post HSCT

Project description:The overal goal was to characterize the differential expression of protein-coding genes and lncRNAs in donor T-cells 7 days after experimental HSCT.

2019-07-27 | GSE134975 | GEO

Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: Healthy Cohort [HEALTHYPLASMA]

Project description:Extracellular RNAs (exRNAs) in blood and other biofluids have attracted great interest as potential biomarkers in liquid biopsy applications, as well as for their potential biological functions. Whereas it is well-established that extracellular microRNAs are present in human blood circulation, the degree to which messenger RNAs (mRNA) and long noncoding RNAs (lncRNA) are represented in plasma is less clear. Here we report that mRNA and lncRNA species are present as small fragments in plasma that are not detected by standard small RNA-seq methods, because they lack 5’-phosphorylation or carry 3’-phosphorylation. We developed a modified sequencing protocol (termed “phospho-sRNA-seq”) that incorporates upfront RNA treatment with T4 polynucleotide kinase (which also has 3’ phosphatase activity) and compared it to a standard small RNA-seq protocol, using as input both a pool of synthetic RNAs with diverse 5’ and 3’ end chemistries, as well exRNA isolated from human blood plasma. Using a custom, high-stringency pipeline for data analysis we identified mRNA and lncRNA transcriptome fingerprints in plasma, including multiple tissue-specific gene sets. In this cohort of healthy individuals, we demonstrate the improved capture of mRNA and lncRNA fragments using the phospho-sRNA-seq protocol. We find they primarily arise from mRNA exons, and that abundant fragments are consistently detected in multiple individuals.

2019-05-03 | GSE126049 | GEO

Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: Healthy Cohort [HEALTHYPLASMA]

Project description:Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: Healthy Cohort [HEALTHYPLASMA]

| PRJNA520875 | ENA

Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: PNK evaluation on synthetic, equimolar pool [SYNTHETICPNK]

Project description:Extracellular RNAs (exRNAs) in blood and other biofluids have attracted great interest as potential biomarkers in liquid biopsy applications, as well as for their potential biological functions. Whereas it is well-established that extracellular microRNAs are present in human blood circulation, the degree to which messenger RNAs (mRNA) and long noncoding RNAs (lncRNA) are represented in plasma is less clear. Here we report that mRNA and lncRNA species are present as small fragments in plasma that are not detected by standard small RNA-seq methods, because they lack 5’-phosphorylation or carry 3’-phosphorylation. We developed a modified sequencing protocol (termed “phospho-sRNA-seq”) that incorporates upfront RNA treatment with T4 polynucleotide kinase (which also has 3’ phosphatase activity) and compared it to a standard small RNA-seq protocol, using as input both a pool of synthetic RNAs with diverse 5’ and 3’ end chemistries, as well exRNA isolated from human blood plasma. This series uses the synthetic pools of small RNAs to demonstrate the efficacy of phospho-sRNA-seq to enable capture of sRNAs lacking a 5’ phosphate and/or having a 3’ phosphate.

2019-05-03 | GSE126048 | GEO

Biomarkers in Transplant Recipients

Project description:Biomarkers in Transplant Recipients

| PRJNA290675 | ENA

Recipient and donor expression differences in children treated with HSCT

Project description:Reconstitution of cell lines and occurrence of complications following hematopoietic stem cell transplantation (HSCT) are regulated by genome expression. Microarray technique allows for simultaneous assessment of expression of nearly all human genes. The objective of the study was to compare whole genome expression in children before and after HSCT. A total of 44 children treated with HSCT were enrolled in the study. Gene expression was measured before HSCT (pre-HSCT group; n=44) and after a median of 6 months after allogenic HSCT (post-HSCT group; n=27; all children were included in the pre-HSCT group). Neoplasms were the indication for HSCT in 73% of the patients. Whole genome expression was assessed in leukocytes using GeneChip® HumanGene 1.0 ST microarray. The analysis of genomic profiles before and after HSCT revealed 18 significantly different genes with defined function. These genes are responsible for proliferation and differentiation of cells (14 genes), apoptosis (8 genes), migration of cells (3 genes) and fluid/electrolyte homeostasis (2 genes). Our findings allow us to conclude that activation of genes involved in reconstitution of donor cell lines, and those related to immune reactions observed after HSCT, form the genetic background for physiological and pathological processes following HSCT.

2016-10-19 | GSE88852 | GEO

Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: PNK evaluation on synthetic, equimolar pool [SYNTHETICPNK]

Project description:Phospho-small RNA-seq reveals circulating, extracellular mRNA/lncRNAs as potential biomarkers in human plasma: PNK evaluation on synthetic, equimolar pool [SYNTHETICPNK]

| PRJNA520873 | ENA

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