Small RNA sequencing of lipoproteins (HDL) obtained from germ-free mice and facility matched specific-pathogen free mice.
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA852523 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR19843976.fastq.gz | Fastqsanger.gz | |||
| SRR19843977.fastq.gz | Fastqsanger.gz | |||
| SRR19843978.fastq.gz | Fastqsanger.gz | |||
| SRR19843979.fastq.gz | Fastqsanger.gz | |||
| SRR19843980.fastq.gz | Fastqsanger.gz |
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Project description:Plasma was harvested from two cohorts of facility-matched germ free (GF) and specific-pathogen free (SPF) mice at the National Gnotobiotic Rodent Resource Center (NGRRC; North Carolina, USA). Plasma was then fractionated by size-exclusion chromatography using three tandem Superdex200 increase columns (Cytiva). Fractions corresponding with HDL were then pooled and concentrated prior to RNA isolation. Small RNA libraries were generated from total RNA using NextFlex V3 Small RNA Seq-kit (Perkin Elmer) according to manufacturer’s instructions. Equimolar amounts of each library were then pooled and sequenced on the NextSeq500 platform (Illumina). Individual libraries were then demultiplexed and analyzed with the TIGER analytical pipeline.
2022-06-29 | GSE206857 | GEO
Project description:miRNAs and other small RNAs have been found associated with high-density lipoproteins (HDL). The aim of this study was to investigate the miRNA signature on human HDL from 10 donors.
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Project description:This SuperSeries is composed of the following subset Series: GSE25108: MicroRNAs are Transported in Plasma and Delivered to Recipient Cells by High-Density Lipoproteins (Human HDL miRNA Signatures) GSE25110: MicroRNAs are Transported in Plasma and Delivered to Recipient Cells by High-Density Lipoproteins (Human HDL and Exosome miRNA Signatures) GSE25149: MicroRNAs are Transported in Plasma and Delivered to Recipient Cells by High-Density Lipoproteins (Human exosome, LDL, and HDL miRNA Signatures) GSE25150: MicroRNAs are Transported in Plasma and Delivered to Recipient Cells by High-Density Lipoproteins (Mouse HDL signatures from WT and LDLR-/- high fat diet) GSE25311: MicroRNAs are Transported in Plasma and Delivered to Recipient Cells by High-Density Lipoproteins (HG-U133 2.0) GSE25424: MicroRNAs are Transported in Plasma and Delivered to Recipient Cells by High-Density Lipoproteins (microRNA signatures retrieved from rHDL injected into WT, ApoE-/- chow, ApoE-/-high fat diet) Refer to individual Series
2011-04-03 | E-GEOD-25425 | biostudies-arrayexpress
Project description:miRNAs are exported to high density lipoproteins (HDL). This study aimed to understand what miRNAs are exported from primary islets to HDL in vitro.
2019-01-16 | GSE125136 | GEO
Project description:miRNAs are exported to high density lipoproteins (HDL). This study aimed to understand what miRNAs are exported from INS-1 cells to HDL in vitro.
2019-01-16 | GSE125135 | GEO
Project description:Circulating microRNAs (miRNA) are relatively stable in plasma and are a new class of disease biomarkers. Here we present evidence that human high-density lipoprotein (HDL) transports endogenous miRNAs and delivers them to recipient cells with functional targeting capabilities. Highly-purified fractions of human HDL contain small RNAs, and the HDL-miRNA profile from normal subjects is significantly different than familial hypercholesterolemia subjects. miRNAs were demonstrated to associate with both native and reconstituted HDL particles, and reconstituted HDL injected into mice retrieved distinct miRNA profiles from normal and atherogenic models. Cellular export of miRNAs to HDL was demonstrated to be regulated by neutral sphingomyelinase. HDL-mediated delivery of miRNAs to recipient cells was demonstrated to be scavenger receptor BI-dependent. Furthermore, HDL delivery of both exogenous and endogenous miRNAs resulted in the direct targeting of mRNA reporters. Notably, HDL-miRNA from atherosclerotic subjects induced differential gene expression, with significant loss of conserved mRNA targets in cultured hepatocytes. Collectively, these observations suggest that HDL participates in a novel mechanism of intercellular communication involving the transport and delivery of miRNAs. Human HDL miRNA Signatures
2011-03-24 | GSE25108 | GEO
Project description:Circulating microRNAs (miRNA) are relatively stable in plasma and are a new class of disease biomarkers. Here we present evidence that human high-density lipoprotein (HDL) transports endogenous miRNAs and delivers them to recipient cells with functional targeting capabilities. Highly-purified fractions of human HDL contain small RNAs, and the HDL-miRNA profile from normal subjects is significantly different than familial hypercholesterolemia subjects. miRNAs were demonstrated to associate with both native and reconstituted HDL particles, and reconstituted HDL injected into mice retrieved distinct miRNA profiles from normal and atherogenic models. Cellular export of miRNAs to HDL was demonstrated to be regulated by neutral sphingomyelinase. HDL-mediated delivery of miRNAs to recipient cells was demonstrated to be scavenger receptor BI-dependent. Furthermore, HDL delivery of both exogenous and endogenous miRNAs resulted in the direct targeting of mRNA reporters. Notably, HDL-miRNA from atherosclerotic subjects induced differential gene expression, with significant loss of conserved mRNA targets in cultured hepatocytes. Collectively, these observations suggest that HDL participates in a novel mechanism of intercellular communication involving the transport and delivery of miRNAs. Human HDL miRNA Signatures Profiled miRNA Signatures from N=6 Normal Human HDL; n=5 FH Human HDL
2011-03-23 | E-GEOD-25108 | biostudies-arrayexpress
Project description:Circulating microRNAs (miRNA) are relatively stable in plasma and are a new class of disease biomarkers. Here we present evidence that human high-density lipoprotein (HDL) transports endogenous miRNAs and delivers them to recipient cells with functional targeting capabilities. Highly-purified fractions of human HDL contain small RNAs, and the HDL-miRNA profile from normal subjects is significantly different than familial hypercholesterolemia subjects. miRNAs were demonstrated to associate with both native and reconstituted HDL particles, and reconstituted HDL injected into mice retrieved distinct miRNA profiles from normal and atherogenic models. Cellular export of miRNAs to HDL was demonstrated to be regulated by neutral sphingomyelinase. HDL-mediated delivery of miRNAs to recipient cells was demonstrated to be scavenger receptor BI-dependent. Furthermore, HDL delivery of both exogenous and endogenous miRNAs resulted in the direct targeting of mRNA reporters. Notably, HDL-miRNA from atherosclerotic subjects induced differential gene expression, with significant loss of conserved mRNA targets in cultured hepatocytes. Collectively, these observations suggest that HDL participates in a novel mechanism of intercellular communication involving the transport and delivery of miRNAs. Human HDL and Exosome miRNA Signatures
2011-03-24 | GSE25110 | GEO
Project description:Background: High density lipoprotein (HDL) protects the artery wall by removing cholesterol from lipid-laden macrophages. However, recent evidence suggests that it might also inhibit atherogenesis by combating inflammation. Methods and Results: To identify potential anti-inflammatory mechanisms, we challenged macrophages with lipopolysaccharide (LPS), an inflammatory microbial ligand for Toll-like receptor 4 (TLR4). HDL inhibited the expression of 33% (301 of 911) of the genes normally induced by LPS, microarray analysis revealed. One of its major targets was the type I interferon response pathway, a family of potent viral immunoregulators controlled by TLR4 and the TRAM/TRIF signaling pathway. Unexpectedly, HDL’s ability to inhibit gene expression was independent of cellular cholesterol stores. Moreover, it was unaffected by downregulation of two ATP-binding cassette transporters, ABCA1 and ABCG1, that promote cholesterol efflux. To examine the pathway’s potential in vivo relevance, we used mice deficient in apolipoprotein (apo) A-I, HDL’s major protein. After infection with Salmonella (a Gram-negative bacterium that expresses LPS), apoA-I–deficient mice had 6-fold higher plasma levels of interferon-beta-a key regulator of the type I interferon response than did wild-type mice. Conclusions: HDL inhibits a subset of LPS-stimulated macrophage genes that regulate the type I interferon response, and its action is independent of sterol metabolism. These findings raise the possibility that regulation of macrophage genes by HDL might link innate immunity and cardioprotection. 12 arrays, 3 experimental groups, mMncN (no treatment), mMncL (LPS treated, exposed for 4 h to serum-free medium or serum-free medium supplemented with 100 ng/mL of LPS), and mMwtL (HDL treated, Macrophages were treated for 4 h with serum-free medium or serum-free medium supplemented with 50 mg/mL of HDL, washed twice with PBS).
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