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Exosomal microRNA profiling in aqueous humor of the patients with Central Serous Chorioretinopathy by Next-Generation Sequencing

ABSTRACT: We report the aqueous humor-derived exosomal miRNA expression profiles from CSC patients and cataract patients as control, and with analysis by anti-VEGF treatment responders (CSC-R) and non-responders (CSC-NR).

ORGANISM(S): Homo sapiens

PROVIDER: GSE227142 | GEO | 2023/08/08

REPOSITORIES: GEO

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microRNA profiling in the aqueous humor of highly myopic eyes by next generation sequencing

Project description:Purpose: To characterize microRNAs (miRNAs) and their possible roles in high myopia by using next generation sequencing Methods: Aqueous humor samples were obtained from 15 highly myopic eyes and 15 cataract eyes at the onset of surgery. miRNA next generation sequencing and bioinformatics analyses were performed using RNA extracted from aqueous humor samples. Results: A total of 341 miRNAs were detected in the aqueous humor samples of highly myopic eyes; 201 miRNAs were detected in the aqueous humor samples of cataractous control eyes. A total of 249 mature miRNAs and 17 novel miRNAs were differentially expressed during myopia. Possible pathways regulated by these aberrantly expressed miRNAs included the TNF, MAPK, PI3K-Akt, and HIF-1 signaling pathways. Conclusions: The current study provided an overall view of miRNA profiling in the aqueous humor of highly myopic eyes. These profiles may be associated with myopia pathogenesis, and are potential biomarkers.

2021-12-15 | GSE142359 | GEO

The Constitutive Proteome of Human Aqueous Humor

Project description:Aqueous humor (AH) is the fluid in the anterior and posterior chambers of the eye that contains proteins regulating ocular homeostasis. Analysis of aqueous humor proteome is challenging mainly due to low sample volume and protein concentration. In this study, by utilizing state of the art technology, we performed Liquid-Chromatography Mass spectrometry (LC-MS/MS) analysis of 88 aqueous humor samples from subjects undergoing cataract surgery.

2021-09-09 | PXD022463 | Pride

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.

2016-05-23 | PXD002623 | Pride

A proteomic map of the human aqueous humor

Project description:The aqueous humor is a colourless, transparent fluid that fills the anterior chamber of the eye. It has an important role to play in maintaining the intraocular pressure of the eye and providing nourishment to avascular structures such as the lens and cornea. It is also essential for providing a clear path for the entry and exit of light from the eye and maintaining the refractive power of the eye. In this study, 250 samples of aqueous humor were collected from patients undergoing cataract surgery. The samples were pooled, divided into aliquots and subjected to ingel digestion, insolution digestion followed by strong cation exchange chromatography and basic reverse phase liquid chromatography fractionation. MS/MS analysis was carried out on a Fourier transform LTQ-Orbitrap velos mass spectrometer and the data were searched with the search algorithms Mascot, SEQUEST and X!Tandem against the NCBI RefSeq human protein database. We have identified 818 proteins of which 447 have been identified for the first time. Proteins such as sorbitol dehydrogenase, filensin and phakinin were some of the novel proteins identified in this study. Classification of proteins based on domain information yielded 304 proteins with signal peptides, 46 proteins with transmembrane domain and 75 proteins with both signal peptide and transmembrane domains. Our study provides a detailed profile of the human aqueous humor. The results from this study of aqueous proteins should help facilitate research into pathological conditions of the eye such as glaucoma, myopia, cataract and uveitis.

2016-01-04 | PXD000787 | Pride

Characterizing DNA methylation signatures of retinoblastoma using the aqueous humor liquid biopsy: moving beyond genomics

Project description:Identify DNA methylation change in retinoblastoma using aqueous humor cfDNA

2022-08-18 | GSE208053 | GEO

Comparative evaluation of the aqueous humor proteome of primary angle closure and primary open angle glaucomas and senile cataract eyes

Project description:Comparative evaluation of the aqueous humor proteome of primary angle closure and primary open angle glaucomas and senile cataract eyes

2020-05-29 | PXD004928 | Pride

Effect of prostaglandin analogs on aqueous humor outflow

Project description:The purpose of this study is to discover genes that might increase aqueous humor outflow when human ciliary muscle or human trabecular meshwork cells are treated with the prostaglandin analogues latanoprost free acid or prostaglandin F2alpha. Five tissue donors were pooled on each chip. Keywords: other

2003-07-16 | GSE492 | GEO

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

2017-03-31 | MSV000080838 | MassIVE

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

A proteomic map of the human aqueous humor

2017-11-29 | MSV000081764 | MassIVE

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