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MicroRNAs in plasma-derived extracellular vesicles as non-invasive biomarkers for eosinophilic esophagitis

ABSTRACT: MicroRNAs in plasma-derived extracellular vesicles as non-invasive biomarkers for eosinophilic esophagitis

PROVIDER: PRJNA1152605 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30407600.fastq.gz	Fastqsanger.gz
	SRR30407601.fastq.gz	Fastqsanger.gz
	SRR30407602.fastq.gz	Fastqsanger.gz
	SRR30407603.fastq.gz	Fastqsanger.gz
	SRR30407604.fastq.gz	Fastqsanger.gz

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MicroRNAs in plasma-derived extracellular vesicles as non-invasive biomarkers for eosinophilic esophagitis

Project description:Background: The lack of non-invasive biomarkers imposes the dependence on endoscopy with biopsies for the diagnosis and monitoring of eosinophilic esophagitis (EoE), a prevalent chronic inflammation of the esophagus mediated by a type 2 immune response. We aimed to identify potential non-invasive biomarkers using microRNAs (miRNAs) in plasma-derived extracellular vesicles (pEVs). Methods: This is a prospective single-center observational study including a discovery cohort of EoE patients (n=26) with active disease (EoE.Basal) and after anti-inflammatory treatment (EoE.Post.tx), and control subjects (n=16). Small-RNA-seq of RNA-pEVs was performed to identify differentially regulated small-RNAs (sRNAs) in EoE.Basal vs. controls and EoE.Basal vs. EoE.Post.tx comparisons. Candidate miRNAs were validated in an independent cohort (EoE patients, n=33; controls, n=14), and the diagnostic potential of miRNAs-pairs was assessed. Results: the pEVs-sRNA cargo differed among controls, EoE.Basal and EoE.Post.tx conditions. Compared with controls, Ser_Comb_22, Leu_Comb_5, miR-10b-5p and miR-125a-5 were upregulated in EoE.Basal, and miR-224-5p, miR-221-3p, let-7d-5p and miR-191-5p were downregulated. Combination of miR-221-3p and miR-10b-5p showed the best diagnostic performance in discovery (AUC=0.87) and validation (AUC=0.70) cohorts. Comparing EoE.Basal and EoE.Post.tx paired samples, miR-374a-5p and miR-30a-3p were upregulated in EoE.Basal, while miR-15a-5p and let-7d-5p were downregulated. Here, combination of mi-30a-3p and miR-15a-5p showed AUC values of 0.90 and 0.71 in discovery and validation cohorts respectively. MiR-30a-3p remained highly upregulated in EoE.Basal when compared to EoE.Post.tx in the validation cohort (p=0.001). Conclusions: The sRNA cargo of pEVs is related to the inflammatory activity in EoE. This study pioneers the use of pEVs as a non-invasive biomarker for EoE.

2024-10-15 | GSE275710 | GEO

TaqMan microRNA array of human serum from children with eosinophilic esophagitis

Project description:Serum from children with active and inactive treated eosinophilic esophagitis was analyzed for detection of microRNA Individual serum samples from children with eosinophilic esophagitis were analyzed for detection of microRNA. (n=5 for active EoE and n=5 for inactive EoE)

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