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Differentially expressed microRNAs in the aqueous humor of patients with exfoliation glaucoma or primary open-angle glaucoma

ABSTRACT: Differentially expressed microRNAs in the aqueous humor of patients with exfoliation glaucoma or primary open-angle glaucoma

PROVIDER: PRJNA415087 | ENA |

REPOSITORIES: ENA

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Differentially expressed microRNAs in the aqueous humor of patients with exfoliation glaucoma or primary open-angle glaucoma

Project description:To better understand the molecular changes in the aqueous humor (AH) content with glaucoma, we analyzed the microRNA (miRNA) profiles of AH samples from patients with Primary Open Angle Glaucoma (POAG) and Exfoliation Glaucoma (XFG) compared to non-glaucoma controls.

2018-02-08 | GSE105269 | GEO

Expression profiling of extracellular long noncoding RNAs in aqueous humor of primary open-angle glaucoma patients

Project description:Long noncoding RNAs (lncRNAs) are emerging as important regulators in cellular processes and have been showed to be involved in the occurrence and development of various neurodegenerative diseases including glaucoma. The aim of this study is to reveal disease-related extracellular lncRNAs and message RNAs (mRNAs) in aqueous humor (AH) of individual primary open-angle glaucoma (POAG) patients, to determine the potential biomarkers for POAG diagnosis

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Comparative shotgun proteomics of aqueous humor for cataract, glaucoma and pseudoexfoliation eye disorders.

Project description:The aim of this work was to characterize proteome of aqueous humor from subjects with various eye conditions such as cataract, glaucoma and pseudoexfoliation syndrome by high-resolution chromate-mass-spectrometry. Twenty nine human aqueous humor samples were processed by shotgun proteomics. Data was searched using MaxQuant package. Totally, 263 protein groups were identified. Label-free quantitation reported some differentially expressed proteins in aqueous humor proteome for the aforementioned eye diseases.

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The Primary Open-Angle Glaucoma Genetics Study (POAAGG)

Project description:The Primary Open-Angle Glaucoma Genetics Study (POAAGG)

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Aqueous humour proteomic analysis of acute angle-closure glaucoma with visual field loss

Project description:original data of Aqueous humour proteomic analysis of acute angle-closure glaucoma with visual field loss.

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Human aqueous humor of Primary open angle glaucoma LC-MS/MS

Project description:The main objective of this study was to adopt discovery based approach and define quantitative expression of human AH samples of glaucoma (N= 5) and non-glaucoma subjects (N=5) by using a state-of-the-art high performance liquid chromatography coupled mass spectrometry, to establish the relative regulation of AH proteome in glaucomatous eye and affected cellular pathways, and their correlation with disease pathogenesis

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Molecular Mechanisms Associated with Primary Open-angle Glaucoma with MicroRNA Microarray Data

Project description:This study aimed to investigate the molecular mechanism responsible for primary open-angle glaucoma (POAG) progression. We analyzed microRNAs (miRNAs) expression profiling in aqueous humor (AH) of both POAG patients and normal controls, using a microarray-based approach. Subsequently, differentially expressed miRNAs (DEmiRNAs) were identified using Bayes moderated t-test. Next, DEmiRNAs target genes were predicted based on miRNA databases, followed by GO analysis and pathway analysis using DAVID. Furthermore, OAG-related genes analysis for target genes was carried out using CTD database, respectively. Finally, verification of DEmiRNAs expression levels was performed by RT-qPCR. A total of 40 significant DEmiRNAs were identified between control and POAG groups, including 24 up-regulated miRNAs and 16 down-regulated miRNAs. Further, the target genes of hsa-miR-206, including BMP2, SMAD4, ID2, and TNF, were mainly enriched in transforming growth factor-β (TGF-β) signaling pathway. While, target genes of hsa-miR-184, hsa-miR-34c-5p, hsa-miR-7-2-3p and hsa-miR-20b-3p, including BCL2, EPHB2, VEGFA, COL4A1, APC, and TGFBR1, were enriched in eye development. Moreover, FNDC3B, CAV2 and VEGF, target genes of hsa-miR-206 or hsa-miR-34c-5p, were the OAG-related genes. Ultimately, RT-qPCR analysis confirmed that mRNA levels of hsa-miR-206, hsa-miR-7-2-3p, and hsa-miR-20b-3p were increased, while those of hsa-miR-184 and hsa-miR-34c-5p were decreased in POAG compared with normal groups (P < 0.05). Hsa-miR-206, hsa-miR-184, hsa-miR-34c-5p, hsa-miR-7-2-3p and hsa-miR-20b-3p might play a significant role in the pathogenesis of POAG and hsa-miR-206 might be associated with the development of POAG by regulating TGF-β signaling pathway. These results might provide insight toward a better understanding of the pathogenesis of POAG.

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