Ontology highlight
ABSTRACT:
PROVIDER: PRJNA680879 | ENA |
REPOSITORIES: ENA
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Project description:We conducted this study to determine whether exosome regulation underlies the antimigraine mechanisms of acupuncture. By comparing serum samples from patients with migraine and healthy controls using high-throughput small RNA sequencing technology , we identified 705 exosomal microRNAs that are differentially expressed in patients with migraine, and this set of 705 microRNAs included five that are particularly well characterised (hsa-miR-369-5p, hsa-miR-1268b, hsa-miR-145-5p, hsa-miR-222-5p, and hsa-miR-4488). By comparing serum samples collected from patients with migraine before and after acupuncture treatment, we showed that acupuncture normalised the expression levels of those five well-characterised exosomal microRNAs.
2024-02-12 | GSE198274 | GEO
Project description:Bovine mastitis causes changes in the serum exosomal miRNAs expression. Serum samples from healthy dairy cows (n = 7) were compared to those of cows with subclinical (n = 7 ) using small RAN sequencing. Three hundred fifty-five miRNAs (341 known and 14 novel ones) were identified. There were 42 miRNAs up-regulated in serum-derived EVs from cows with subclinical mastitis, including bta-miR-1246, bta-miR-2431-3p, bta-miR-126-3p, bta-miR-29a, etc. The MAPK signaling pathway was the most affected pathway by clinical mastitis. Thus, miRNA alterations in mastitis serum-derived EVs support the potential regulator role of specific miRNAs as exosomal cargo in clinical mastitis physiology.
2022-08-31 | GSE202849 | GEO
Project description:Exosomes are small membrane vesicles of endocytic origin secreted by most cells, and contain a wealthy cargo of protein and RNA species that can modulate recipient cells’ behaviors and may be used as biomarkers for diagnosis of human diseases. They have been found in blood and are valuable sources for biomarkers due to selective cargo loading and resemblance to their parental cells. The goal of this study is to identify circRNA, lncRNA and mRNA profiles in human blood by high-throughput RNA sequencing (RNA-seq). 1-4 ml plasma or serum were used to extract exosomal RNAs by exoRNeasy Serum/Plasma Maxi kit (Qiagen). The exosomal RNAs were further treated with DNAse I and subjected to ribosome minus low-input RNAseq library preparation. The libraries were sequenced by Illumina Hiseq platform.
2018-02-22 | GSE99985 | GEO
Project description:Purpose: To detect serum exosomal ncRNA profiles of proliferative diabetic retinopathy (PDR) by High-throughput sequencing Methods: serum exosomal non-coding RNA (ncRNA) profiles profiles of PDR and MH were generated by deep sequencing, only in once, using IlluminaHiSeq 3000. After analyzing the base composition and quality of the data, according to the analysis results of the original data, the data were filtered to remove the joint sequence and the contaminated part, and to remove low-quality base sequences.If it is paired-ended sequencing data, the filtered data should be further screened to retain the paired sequences and obtain clean data. Conclusions: Our study represents the first detailed analysis of serum exosomal transcriptomes from PDR patients by RNA-seq technology. The optimized data analysis workflows reported here should provide a framework for comparative investigations of expression profiles.
2021-06-24 | GSE178721 | GEO
Project description:We performed small RNA sequencing to explore small RNA profiles of serum exosomes derived from LTBI and TB patients and healthy controls (HC). Our results revealed distinct miRNA profile of the exosomes from the three samples. We identified many differentially expressed miRNAs, including some specifically expressed miRNAs in the three samples. Besides the specially expressed miRNAs, we demonstrated distinct expression panels of the serum exosomal miRNAs from LTBI and TB samples, and six expression patterns among the three samples. These specifically expressed miRNAs and differentially expressed miRNAs in different panels and patterns provide potential biomarkers for detection/diagnosis of latent and active TB using exosomal miRNAs. Additionally, we also discovered plenty of small RNAs derived from genomic repetitive sequences (e.g., SINEs, LINEs and LTR), which might play roles in host immune responses along with Mtb infection progresses. Overall, our findings provide important reference and improved understanding about miRNAs and repetitive region-derived small RNAs in exosome during Mtb infectious process, and facilitate the development of potential molecular targets for detection/diagnosis of latent and active tuberculosis.
2019-05-28 | GSE124120 | GEO
Project description:Purpose: Exosome-derived microRNAs (miRNAs) are potential diagnostic biomarkers. However, little is known about their effectiveness as diagnostic biomarkers of fulminant myocarditis (FM). This study aimed to explore miRNA levels in serum exosomes of patients with FM as potential biomarkers for FM diagnosis. Methods: 10 samples were screened with a exosomal small RNA sequencing platform (RiboBio). A Mann-Whitney test was performed to discover differentially expressed miRNAs in the two pairwise comparisons: FM versus HC. Results: From the differentially expressed miRNAs, fourteen candidate miRNAs discovered via small RNA sequencing with P＜0.05 and fold expression change ＞2 were selected for further testing Conclusions: These data suggested that the miRNA panel in serum-derived exosomes provided excellent diagnostic capability for FM.
2021-01-27 | GSE147517 | GEO
Project description:The aim of this study was to identify and evaluate exosomal miRNAs in serum as early diagnostic markers for gastric cancer (GC). Methods: Using next-generation sequencing (NGS) and bioinformatics, we identified candidate serum exosomal miRNA markers for early detection of GC in patients. The candidates were further validated by qRT-PCR in 50 newly recruited early-stage GC patients and matched healthy individuals. Results: NGS revealed that the average mappable reads in the RNA libraries were about 6.5 million per patient. A total of 66 up and 13 down-regulated exosomal miRNAs were found in the screened cohort after removal of log2 transformed read counts <5 and p >0.05. In the validation cohort, by comparing candidate exosomal miRNAs levels in early-stage GC patients and healthy individuals, higher levels of miR-92b-3p, let-7g-5p, miR-146b-5p and miR-9-5p were found to be significantly associated with GC. Diagnostic power of the combined panels of the exosomal miRNAs or the combination of exosomal miRNAs and CEA outperformed that of single exosomal miRNA marker for establishing a diagnosis of early-stage GC. In addition, serum levels of exosomal miR-92b-3p were significantly associated with low adhesion, let-7g-5p and miR-146b-5p were significantly correlated with nerve infiltration, and miR146b-5p was statistically correlated with tumor invasion depth in early-stage GC. Conclusions: Serum exosomal miR-92b-3p, -146b-5p, -9-5p, and let-7g-5p may serve as potential noninvasive biomarkers for early diagnosis of GC. Further validation of these candidate exosomal miRNAs in larger experimental cohorts are required in order to confirm the diagnostic values.
2020-02-21 | GSE130654 | GEO
Project description:Exosomes are small membrane vesicles of endocytic origin secreted by most cells, and contain a wealthy cargo of protein and RNA species that can modulate recipient cells’ behaviors and may be used as biomarkers for diagnosis of human diseases. They have been found in blood and are valuable sources for biomarkers due to selective cargo loading and resemblance to their parental cells. The goal of this study is to identify circRNA, lncRNA and mRNA profiles in human blood by high-throughput RNA sequencing (RNA-seq). 1-4 ml plasma or serum were used to extract exosomal RNAs by exoRNeasy Serum/Plasma Maxi kit (Qiagen). The exosomal RNAs were further treated with DNAse I and subjected to ribosome minus low-input RNAseq library preparation. The libraries were sequenced by Illumina Hiseq platform.
2018-02-22 | GSE100232 | GEO
Project description:Exosomes are small membrane vesicles of endocytic origin secreted by most cells, and contain a wealthy cargo of protein and RNA species that can modulate recipient cells’ behaviors and may be used as biomarkers for diagnosis of human diseases. They have been found in blood and are valuable sources for biomarkers due to selective cargo loading and resemblance to their parental cells. The goal of this study is to identify circRNA, lncRNA and mRNA profiles in human blood by high-throughput RNA sequencing (RNA-seq). 1-4 ml plasma or serum were used to extract exosomal RNAs by exoRNeasy Serum/Plasma Maxi kit (Qiagen). The exosomal RNAs were further treated with DNAse I and subjected to ribosome minus low-input RNAseq library preparation. The libraries were sequenced by Illumina Hiseq platform.
2017-06-19 | GSE100206 | GEO