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Profiling of Circulating extracellular vesicles microRNAs Reveals Diagnostic Potential and Pathways in Non-Obstructive and Obstructive Azoospermia

ABSTRACT: Profiling of Circulating extracellular vesicles microRNAs Reveals Diagnostic Potential and Pathways in Non-Obstructive and Obstructive Azoospermia

PROVIDER: PRJNA1126194 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	SRR29482507.fastq.gz	Fastqsanger.gz
	SRR29482510.fastq.gz	Fastqsanger.gz
	SRR29482511.fastq.gz	Fastqsanger.gz
	SRR29482513.fastq.gz	Fastqsanger.gz

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Profiling of Circulating extracellular vesicles microRNAs Reveals Diagnostic Potential and Pathways in Non-Obstructive and Obstructive Azoospermia

Project description:The accurate diagnosis of non-obstructive azoospermia (NOA) and obstructive azoospermia (OA) is crucial for selecting appropriate clinical treatments. This study aimed to investigate the pivotal role of miRNAs in circulating plasma exosomes in distinguishing between NOA and OA, as well as uncovering the signaling pathways involved in azoospermia pathogenesis. In this study, differential expression of extracellular vesicles (EVs) miR-513c-5p and miR-202-5p was observed between NOA and OA patients, while the selenocompound metabolism pathway was identified as relevant to azoospermia pathogenesis through Gene Ontology and Kyoto Encyclopedia of Genes and Genomes analysis. The predictive power of these microRNAs was evaluated using ROC-AUC analysis, demonstrating promising sensitivity, specificity, and area under the curve values. A binomial regression equation incorporating circulating plasma levels of EVs miR-202-5p and miR-513c-5p along with follicle-stimulating hormone was calculated to provide a clinically applicable method for diagnosing NOA and OA. This study presents a non-invasive testing approach for distinguishing between NOA and OA, offering a valuable tool for clinical practice.

2025-06-18 | GSE270320 | GEO

Comparative proteomics analysis of FFPE testicular tissue from men with obstructive and non-obstructive azoospermia

Project description:The project aimed to compare testicular proteomes from patients with obstructive and non-obstructive azoospermia in order to identify molecular signatures involved in spermatogenesis as well to identify candidate biomarkers for discriminating between different types of azoospermia. The samples used in this study were formalin fixed paraffin embedded (FFPE) testicular tissues obtained by biopsy from men with clinical diagnosis of azoospermia. Samples were grouped according to the histopathological report in 3 groups: 1) Spermatogenesis (obstructive azoospermia), 2) Hypospermatogenesis and 3) Sertoli cell only syndrome (SCO). Patients were aged 31–46 years with no differences among groups regarding age (Median age (Hypospermatogenesis) =35; Median age (SCO) =34 and Median age (Spermatogenesis) =39). Each group had 9 samples or 27 samples in total were used for the comparative proteomics analysis by label-free data-independent LC-MS/MS.

2022-07-31 | PXD032722 | Pride

Whole Exome Sequencing of two non-obstructive azoospermia patients

Project description:We collected blood samples of two non-obstructive azoospermia patients, and performed whole exome sequencing to explore the causal mutations for male infertility.

2021-06-22 | E-MTAB-9287 | biostudies-arrayexpress

In situ transcriptomic analysis of spermatocytes in non-obstructive azoospermia reveals senescence-like states in arrested spermatocytes

Project description:To investigate in situ transcriptome of spermatocytes in non-obstructive azoospermia , we microdissected spermatocytes in formalin-fixed paraffin-embedded testicular biopsy tissue from two types of non-obstructive azoospermia and obstructive azoospermia as a control, and then constructed cDNA libraries based on Smart-3SEQ method.

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Project description:The proteome and phosphoproteomics changes were quantified in seminal plasma extracellular vesicles among healthy individuals with normal sperm, nonobstructive azoospermia and obstructive azoospermia using TMT 10-plex by LC-MS/MS.

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Whole Exome Sequencing of two non-obstructive azoospermia patients

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Testicular piRNA analysis identified dysregulated piRNAs in non-obstructive azoospermia

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Altered mRNA profile in testis of patients with“secondary idiopathic non-obstructive azoospermia”

Project description:Background: Non-obstructive azoospermia (NOA) is the most severe form of male infertility. Currently known causative factors, including congenital and several acquired causes can only account for approximately 30% of NOA cases. Causes for most patients with NOA remains unclear, which were known as idiopathic NOA (iNOA). However, whether iNOA is congenital defects or acquired abnormalities is a confusing problem due to the delayed diagnosis of this frustrating situation until childbearing age. Materials and Methods: In this study, several patients who were diagnosed as iNOA at this stage, but with a history of natural conceptions with female before were enrolled and defined as “secondary idiopathic NOA”. As little was known about these cases, we performed the mRNA expression profiling by Next-generation sequencing (NGS) in this three patients and other three patients with obstructive azoospermia (OA) as controls. Results: A series of mRNAs were found to be altered in testicular tissues between “secondary idiopathic NOA” and controls, including 6028 downregulated and 3402 upregulated mRNAs. GO analysis and KEGG analysis revealed a range of GO and KEGG terms, such as cellular process involved in reproduction, protein digestion and absorption, etc. Conclusion: Overall, this study introduces a novel classification called “secondary idiopathic NOA” in iNOA. We provide a global view of the altered mRNAs involved in spermatogenetic failure in these cases.

2022-06-01 | GSE190752 | GEO

Whole Transcriptome analysis to identify non-coding RNA regulators and hub genes in Sperm of non-obstructive azoospermia by microarray

Project description:Our study utilizes whole transcriptome analysis via microarray technology to uncover non-coding RNA regulators and hub genes within sperm samples afflicted by non-obstructive azoospermia. This comprehensive approach offers insight into the intricate molecular landscape underlying this condition, shedding light on potential regulatory mechanisms and key genetic players implicated in its pathogenesis.

2024-05-31 | GSE268452 | GEO

RNA-seq based transcriptome profiles of the human testis tissues across multiple conditions, with an intention to mainly study non-obstructive azoospermia

Project description:To study alternatively spliced isoforms expressed differently in the testis of donors with Non-Obstructive Azoospermia (NOA), testicular biopsies were collected from donors with NOA condition (as identified by cytological examination) and Obstructive Azoospermia (OA), and Varicocele (VA) conditions. The biopsy samples were stored in RNA-later solution (Ambion, cat # AM7024), according to the manufacturer's guidelines. RNA was extracted using the RiboPure kit (Ambion cat # AM1924). Two normal commercial testicular RNA (Clontech cat. no.: 636533, Asian: lot no: 1105041; Caucasian: lot. no.: LOT1105214A) samples were also used. The RNA quality was checked with formaldehyde agarose gel electrophoresis as well as a micro-volume spectrophotometer. For NGS, testicular RNA from 8 NOA, 2 OA and 2 Varicocele donors were used. Paired-end library preparation was carried out using Illumina TruSeq RNA Library Prep Kit v2, and sequencing was done using the Illumina HiSeq 2000. After quality checks, seqtk (https://github.com/lh3/seqtk) was used for trimming low-quality reads. Alignments, identification of transcripts and the chimeric/transplice molecules, and their quantification were performed by Kallisto software. Sample segregation according to the corresponding donor condition was confirmed via clustering RNA-seq data from the samples.

2023-03-10 | GSE216907 | GEO

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