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Altered expressions of transfer RNA-derived small RNAs and microRNAs in the vitreous humour of proliferative diabetic retinopathy.

ABSTRACT: Altered expressions of transfer RNA-derived small RNAs and microRNAs in the vitreous humour of proliferative diabetic retinopathy.

PROVIDER: PRJNA821725 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR18556906.fastq.gz	Fastqsanger.gz
	SRR18556907.fastq.gz	Fastqsanger.gz
	SRR18556908.fastq.gz	Fastqsanger.gz
	SRR18556909.fastq.gz	Fastqsanger.gz
	SRR18556910.fastq.gz	Fastqsanger.gz

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Altered expressions of transfer RNA-derived small RNAs and microRNAs in the vitreous humour of proliferative diabetic retinopathy.

Project description:To reveal the expression profiles of transfer RNA-derived small RNA (tsRNA)s and microRNA (miRNA)s in the vitreous humour of proliferative diabetic retinopathy (PDR).

2022-06-10 | GSE199852 | GEO

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Project description:We identified lncRNA expression profiles in vitreous samples between proliferative diabetic retinopathy (PDR) patients and idiopathic macular hole (IMH) patients, and between PDR patients who had received preoperative anti-vascular endothelial growth factor (anti-VEGF) therapy and PDR patients who had received surgery alone. There had been the systemic expression differences in vitreous at the microarray level from PDR patients and IMH patients, and from PDR patients after anti-VEGF treatment and untreated PDR patients.

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Project description:To investigate the key regulators of the disease by comparing the abundance of vitreous proteins between the patients with proliferative diabetic retinopathy (PDR) and the controls with idiopathic epiretinal membrane (iERM).

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The Multifaceted Role of Vitreous Hyalocytes: Orchestrating Inflammation, Angiomodulation, and Erythrophagocytosis in Proliferative Diabetic Retinopathy

Project description:Despite great advancements in proliferative diabetic retinopathy (PDR) therapy over the last decades, one third of treated patients continue to lose vision. Vitreous macrophages called hyalocytes have been implied in the pathogenesis of vitreoretinal proliferative disease previously but little is known about their role in PDR. In this study, we address molecular and cellular alterations of the PDR vitreous, in order to assess the potential contribution of hyalocytes to PDR development. A total of 55 patients were included in this study encompassing RNA-Sequencing analysis of vitreous hyalocytes from PDR and control patients, multiplex immunoassay and ELISA analysis of undiluted vitreous samples and isolation and immunohistochemical staining of cultured porcine hyalocytes. Our transcriptional analysis revealed an enhanced inflammatory signature of hyalocytes contributing to the cytokine pool within the PDR vitreous by expressing, among others, interleukin-6. The data further indicate an expression shift, involving angiopoietin-2, in PDR hyalocytes converting them to a proangiogenic cellular component, which may mediate formation of retinal neovascularization, hallmark of PDR. Finally, our data suggest a role of vitreous macrophages in erythrophagocytosis and, thereby, removal of vitreous hemorrhage, a severe complication of PDR. Immunomodulation of hyalocytes may thus prove an essential novel therapeutical approach in diabetic vitreoretinal disease.

2024-12-06 | GSE276892 | GEO

miRNA profile in the vitreous of proliferative vitreoretinal disease patients

Project description:The microRNA profiles in the vitreous of proliferative vitreoretinal disease (PVD) such as proliferative diabetic retinopathy with fibrovascular membrane and macular hole (MH) patients were studied by RT-PCR. From each individual in the two cohorts: the PVD (n=3) and MH patients (n=3), vitreous specimens were collected and microRNAs were extracted for miRNA profiles analysis.

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m6A sequencing of vitreous bodies of diabetic retinopathy patients

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