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Transcriptional Characterization of Pterygium

ABSTRACT: Transcriptional Characterization of Pterygium

PROVIDER: PRJNA655558 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR12397879.fastq.gz	Fastqsanger.gz
	SRR12397880.fastq.gz	Fastqsanger.gz
	SRR12397881.fastq.gz	Fastqsanger.gz
	SRR12397882.fastq.gz	Fastqsanger.gz
	SRR12397883.fastq.gz	Fastqsanger.gz

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Transcriptional Characterization of Pterygium

Project description:Purpose: To characterize the transcriptome of pterygium and to investigate transcriptional regulation of HIF target genes.

2021-10-06 | GSE155776 | GEO

Gene Expression profiling of pterygium

Project description:Gene Expression profiling of pterygium. Analysis of conjunctiva and pterygium samples. Keywords = pterygium Keywords: repeat sample

2006-03-03 | GSE2513 | GEO

Expression profiling explores pathways involved in pterygium progression

Project description:Pterygium is an ocular surface disease that can cause visual impairment if it progressively invades the cornea. Although many pieces of research showed that ultraviolet radiation triggers pterygium pathological progress, the underlying mechanism in pterygium remains indistinct. In this study, we used microarray to evaluate the changes of transcripts between primary pterygium and adjacent normal conjunctiva samples in China, hoping to find underlying pathways involved in pterygium progression.

2022-08-13 | GSE208384 | GEO

Transcription profiling of pterygium and cornea

Project description:Gene Expression profiling of pterygium (benign growth of the conjunctiva). Analysis of conjunctiva and pterygium samples.

2007-06-30 | E-GEOD-2513 | biostudies-arrayexpress

Rapid 3D Bioprinting of Multicellular Model Recapitulating Pterygium Microenvironment

Project description:Pterygium is an ocular surface disorder with high prevalence that can lead to vision impairment. As a pathological outgrowth of conjunctiva, pterygium involves neovascularization and chronic inflammation, but its pathogenesis remains largely unknown. Over the last decade, various types of disease models have been built to study pterygium. Here, we developed a 3D multicellular in vitro pterygium model using the digital light processing (DLP)-based 3D bioprinting of human conjunctival stem cells (hCjSCs). A novel feeder-free culture system was adopted and efficiently expanded the primary hCjSCs with homogeneity, stemness and differentiation potency. The DLP-based 3D bioprinting was able to fabricate hydrogel scaffolds that support the viability and biological integrity of the encapsulated hCjSCs. The bioprinted 3D pterygium model was fabricated with hCjSCs, immune cells and vascular cells to recapitulate the disease microenvironment. Transcriptomic analysis using RNA sequencing (RNA-seq) identified a distinct profile correlated to inflammation response, angiogenesis, and epithelial mesenchymal transition in the bioprinted 3D pterygium model. In addition, the pterygium signatures and disease relevance of the bioprinted model were validated with the public RNA-seq data from patient-derived pterygium tissues. By integrating the stem cell technology and 3D bioprinting, this is the first reported 3D in vitro disease model for pterygium that can be utilized by future studies towards the personalized medicine and the drug screening.

2022-06-01 | GSE180343 | GEO

Gene expression differences between pterygium and conjunctiva tissues

Project description:Comparison of endogenous gene expression differences between pterygium and conjunctiva tissues RNA from donor-matched pterygium and conjunctiva tissues obtained from four patients were evaluated for differences in gene expression

2016-06-23 | E-GEOD-83627 | biostudies-arrayexpress

Comprehensive analysis of the transcriptome-wide m6A methylome in pterygium by MeRIP sequencing

Project description:Aim: Pterygium is a common ocular surface disease, which is affected by a variety of factors. Invasion of the cornea can cause severe vision loss. N6-methyladenosine (m6A) is a common post-transcriptional modification of eukaryotic mRNA, which can regulate mRNA splicing, stability, nuclear transport, and translation. To our best knowledge, there is no current research on the mechanism of m6A in pterygium. Methods: We recruited 24 pterygium patients from Shanghai Yangpu Hospital, and the level of m6A modification was detected using an m6A RNA Methylation Quantification Kit. Expression and location of METTL3, a key m6A methyltransferase, were identified by immunostaining. Then we used m6A-modified RNA immunoprecipitation sequencing (MeRIP-seq), RNA sequencing (RNA-seq) and bioinformatics analyses to compare the differential expression of m6A methylation in pterygium and normal conjunctival tissue. Results: We identified 2949 dysregulated m6A peaks in pterygium tissue, of which 2145 were significantly upregulated and 804 were significantly downregulated. The altered m6A peak of genes were found to play a key role in the Hippo signaling pathway and endocytosis. Joint analyses of MeRIP-seq and RNA-seq data identified 72 hypermethylated m6A peaks and 15 hypomethylated m6A peaks in mRNA. After analyzing the differentially methylated m6A peaks and synchronously differentially expressed genes, we searched the Gene Expression Omnibus database and identified five genes related to the development of pterygium (DSP, MXRA5, ARHGAP35, TMEM43, and OLFML2A). Conclusion: Our research shows that m6A modification plays an important role in the development of pterygium and can be used as a potential new target for the treatment of pterygium in the future.

2021-07-14 | GSE167933 | GEO

Transcriptomics and network analysis highlight potential pathways in the pathogenesis of pterygium

Project description:Differential expression comparing active pterygium with atrophic pterygium using data generated from the Brazilian cohort identified differentially expressed genes between the two forms of presentation of this condition

2021-12-18 | GSE191114 | GEO

Gene expression differences between pterygium and conjunctiva tissues

Project description:Comparison of endogenous gene expression differences between pterygium and conjunctiva tissues

2016-06-23 | GSE83627 | GEO

Gene expression profiling of paired pterygium and conjunctiva tissues

Project description:To identify dysregulated molecules between pterygium tissues and uninvolved conjunctiva tissues from the same eye, we performed whole genome microarray expression profiling. Total RNA from four pairs of pterygium and uninvolved conjunctiva tissues from the same eye was extracted and used for microarray experiments.

2013-11-02 | E-GEOD-51995 | biostudies-arrayexpress

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