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Exosomal miRNA signatures of RAW 264.7 cells

ABSTRACT: Exosomal miRNA signatures of RAW 264.7 cells

PROVIDER: PRJNA629497 | ENA |

REPOSITORIES: ENA

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Exosomal miRNA signatures of RAW 264.7 cells

Project description:To investigate the exosomal miRNA changes under LPS treatment in RAW 264.7 cells, 2 μg/mL LPS were added into complete medium to incubate RAW 264.7 cells. And then The exosomes were isolated and tested the exosomal miRNAs change using microarray.

2023-04-30 | GSE149630 | GEO

Exosomal miRNA signatures of amniotic fluid in mice

Project description:Exosomal miRNA signatures of amniotic fluid in mice

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Influence of hsd17b4 knockout in gene expression of RAW 264.7 cells

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Development of serum exosomal miRNA signatures for persistent organ failures in early-phase of acute pancreatitis

Project description:To identify and assess exosomal miRNA signatures with potential to predict individuals with persistent organ failure (POF) at early phase of acute pancreatitis. We analyzed serum collected from 790 AP patients. In discovery cohort, we profiled exosomal miRNAs in sera sampled from AP patients with or without POF (5 vs. 5) using microarrays and identified a list of miRNAs with increased expression pattern. Of notes, 10 AP samples with/without POF are collected within 24 hours after AP onset and later did/didn’t develop POF. We further constructed a miRNA classifier (Cmi) through logistic regression and identified certain individual miRNAs (OR>2) as candidate predictive markers in the training cohort of 227 AP samples. Predictive performance of these markers were validated in three independent cohorts (255, 226 and 78 AP samples respectively).

2024-08-01 | GSE136030 | GEO

Transcription profile of intracellular H37Ra of bEnd.3 and Raw 264.7 cells

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Exosomal miRNA signatures of amniotic fluid in mice

Project description:To investigate the exosomal miRNA changes under the inflammatory reaction, LPS (100 μg/kg body weight) was intraperitoneally injected into the mice at 15 days of pregnancy. Premature births has been found after approximately 48 h of treatment. When bleeding found in vagina, the uterus and other embryo without breaking water were selected in asepsis condition. The amniotic fluid were selected and isolated exosome to analyze the expression of miRNAs compared with cesarean sections.

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Next Generation Sequencing of Wild Type and Hnrnpul1-/- RAW 264.7 Cells Transcriptomes

Project description:Purpose: The goal of this study is to compare NGS-derived wild type and Hnrnpul1 knockout (Hnrnpul1-/-) RAW 264.7 cells transcriptomes with or without LPS stimulation. Methods: Sequancing was performed by Novogene China Co. Ltd. RNA profiles of wild type and Hnrnpul1-/- RAW 264.7 cells as well as LPS stimulated (10 h) wild type and Hnrnpul1-/- RAW 264.7 cells were generated by deep sequencing using Illumina Novaseq 6000. Index of the reference genome was built using Hisat2 v2.0.5 and paired-end clean reads were aligned to the reference genome using Hisat2 v2.0.5. featureCounts v1.5.0-p3 was used to count the reads numbers mapped to each gene. And then FPKM of each gene was calculated based on the length of the gene and reads count mapped to this gene. Method of TMM was used to normalize the readcount. Negative binomial distribution model was used to calculate the P value, and FDR was calculated by the method of Benjaminiand Hochberg. Results: Using an optimized data analysis workflow, we mapped about 40 million sequence reads per sample to the mouse genome (GRCm38/mm10). Comparing to wild type RAW 264.7 cells, 237 genes were up-regulated and 181 genes were down-regulated in Hnrnpul1-/- cells. At 10 h following LPS stimulation, 341 genes were up-regulated and 288 genes were down-regulated in Hnrnpul1-/- cells. Genes were pre-ranked according to log2FoldChange(KO/WT) followed by GSEA and 6 gene sets were significantly enriched. Significantly differential genes were undergone GO analysis (biological process) and biological process including cell-cell adhesion, positive regulation of cell activation and regulation of response to external stimulus were enriched. Conclusions: Lacking Hnrnpul1 promotes the expression of inflammatory cytokines in LPS stimulated RAW 264.7 cells.

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