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Single-cell transcriptomic analysis reveals dynamic cellular processes in corneal epithelium during wound healing in cynomolgus monkeys

ABSTRACT: Single-cell transcriptomic analysis reveals dynamic cellular processes in corneal epithelium during wound healing in cynomolgus monkeys

PROVIDER: PRJNA1155650 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30510538.fastq.gz	Fastqsanger.gz
	SRR30510539.fastq.gz	Fastqsanger.gz
	SRR30510540.fastq.gz	Fastqsanger.gz
	SRR30510541.fastq.gz	Fastqsanger.gz
	SRR30510542.fastq.gz	Fastqsanger.gz

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Single-cell transcriptomic analysis reveals dynamic cellular processes in corneal epithelium during wound healing in cynomolgus monkeys

Project description:we employed single-cell RNA sequencing (scRNA-seq) to analyze the cellular activities and transcriptional changes of corneal limbal epithelial cells at different stages after wound healing in cynomolgus monkeys

2024-09-20 | GSE276184 | GEO

dsRNA induced IFNβ-MMP13 axis drives corneal wound healing

Project description:Cornea, the outermost transparent layer of the eye, is the first line of defense against external threats. Following injury, the wound healing response is crucial to corneal repair and regeneration, yet its underlying mechanism is poorly understood. Our study was designed to investigate the role of dsRNA and its regulatory network in corneal wound healing.

2022-02-05 | GSE191228 | GEO

RNA sequencing of lung tissue of cynomolgus monkeys

Project description:RNA sequencing of lung tissue of young/old male/female cynomolgus monkeys

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Single-Cell Transcriptomic Analysis Reveals Dynamic Cellular Processes in Corneal Epithelium During Wound Healing in Cynomolgus Monkeys.

Project description:PurposeCorneal wounding healing is critical for maintaining clear vision, however, a complete understanding of its dynamic regulatory mechanisms remains elusive. Here, we used single-cell RNA sequencing (scRNA-seq) to analyze the cellular activities and transcriptional changes of corneal limbal epithelial cells at different stages after wound healing in cynomolgus monkeys, which exhibit a closer transcriptomic similarity to humans.MethodsCorneal limbal tissues were collected during uninjured, 1-day and 3-day healing stages, dissociated into single cells, and subjected to scRNA-seq using the 10× Genomics platform. Cell types were clustered by graph-based visualization methods and unbiased computational analysis. Additionally, cell migration assays and immunofluorescent staining were performed on cultured human corneal epithelial cells.ResultsWe characterized nine cell clusters by scRNA-seq analysis of the cynomolgus monkey corneal epithelium. By comparing heterogeneous transcriptional changes in major cell types during corneal healing, we highlighted the importance of limbal epithelial cells (LEPCs) and basal epithelial cells (BEPCs) in extracellular matrix (ECM) formation and wound healing, as well as suprabasal epithelial cells (SEPCs) in epithelial differentiation during the healing processes. We further identified five different sub-clusters in LEPC, including the transit amplifying cell (TAC) sub-cluster that promotes early healing through the activation of thrombospondin-1 (THBS1) expression.ConclusionsOur study represents the first comprehensive exploration of the detailed transcriptome profile of individual corneal cells during the wound healing process in nonhuman primates. We demonstrate the intricate mechanisms involved in corneal healing and provide a promising avenue for potential therapies in corneal wound healing.

| S-EPMC11437678 | biostudies-literature

Proteomic Atlas of Obesity and Type 2 Diabetes in Cynomolgus Monkeys

Project description:Obesity and type 2 diabetes (T2D) remain major global healthcare challenges and developing therapeutics necessitate using nonhuman primate models. Here, we present proteomic analyses of all the major organs of cynomolgus monkeys with spontaneous obesity or T2D in comparison to healthy controls.

2023-06-23 | PXD036423 | Pride

RNA-Seq Analysis Unraveling Novel Genes and Pathways Influencing Corneal Wound Healing

Project description:Transparent avascular cornea providing two third refraction to the eye. Restoration of corneal transparency and clear vision in a traumatic eye involves the action of many cytokines and signaling pathways. Out of several factors, stromal keratocytes/fibroblasts (CSFs) play a central role in corneal repair and wound healing. Post trauma, keratocytes/fibroblasts produce myofibroblasts to facilitate wound repair by synthesizing and secreting large extracellular matrix components, collagens, and alpha-smooth muscle actin stress fibers. This study aimed to perform RNASeq data analysis and pathway enrichments to gain a better understanding of gene regulation in corneal fibroblasts and myofibroblasts in corneal wound repair.

2024-03-11 | GSE260476 | GEO

The tissue-engineered human cornea as a model to study expression of matrix metalloproteinases during corneal wound healing

Project description:Corneal injuries remain a major cause of consultation in the ophthalmology clinics worldwide. Repair of corneal wounds is a complex mechanism that involves cell death, migration, proliferation, differentiation, and extracellular matrix (ECM) remodeling. In the present study, we used a tissue-engineered, two-layers (epithelium and stroma) human cornea as a biomaterial to study both the cellular and molecular mechanisms of wound healing. Gene profiling on microarrays revealed important alterations in the pattern of genes expressed by tissue-engineered corneas in response to wound healing. Expression of many MMPs-encoding genes was shown by microarray and qPCR analyses to increase in the migrating epithelium of wounded corneas. Many of these enzymes were converted into their enzymatically active form as wound closure proceeded. In addition, expression of MMPs by human corneal epithelial cells (HCECs) was affected both by the stromal fibroblasts and the collagen-enriched ECM they produce. Most of all, results from mass spectrometry analyses provided evidence that a fully stratified epithelium is required for proper synthesis and organization of the ECM on which the epithelial cells adhere. In conclusion, and because of the many characteristics it shares with the native cornea, this human two layers corneal substitute may prove particularly useful to decipher the mechanistic details of corneal wound healing. Primary cultures of human corneal epithelial cells cultivated on BSA (number of replicates: 7), Collagen type I (number of replicates: 2), Collagen type IV (number of replicates: 2), Fibronectin (number of replicates: 2), Tenascin C (number of replicates: 2) and Laminin (number of replicates: 2) matrix. Central, internal and external ring of wounded Tissue-engineered human cornea.

2015-11-25 | E-GEOD-75336 | biostudies-arrayexpress

Transcriptome profiling in five vitally important tissues of Cynomolgus monkeys using customized NimbleGen microarrays

Project description:Cynomolgus monkeys are well-established translational models for biomedical research and drug testing. To evaluate organ transcriptomes and gene expression variability in Cynomolgus monkeys, we used Customized NimbleGen Microarrays (Design ID: 120419_Cynomolgus_v5_TH_exp_HX12) for genome-wide gene expression profiling on 5 different tissues (heart, kidney, liver, lung, spleen) from 21 Cynomolgus monkeys. Cynomolgus monkey samples were derived from breeding centers located in the Philippines (3 females and 3 males), in Vietnam (2 females and 2 males), in China for animals from Mainland Southeast Asia (3 females), or in Mauritius (4 females and 4 males). Furthermore, genome-wide copy number variation was analyzed in tissue samples from the same animals using a custom NimbleGen 4.2 million probes comparative genomic hybridization (CGH) array to associate CNV genotypes with expression changes of proximal genes.

2016-02-24 | GSE76560 | GEO

Genome-wide copy number variation profiling in Cynomolgus monkeys using customized NimbleGen CGH microarrays

Project description:Cynomolgus monkeys are well-established translational models for biomedical research and drug testing. Cynomolgus monkeys are outbred species and exhibit substantial levels of genetic variation which can affect the outcome and interpretation of biomedical studies. Copy number variations (CNVs) are a significant source of genetic diversity and a comprehensive understanding of the genomic impact of CNVs on phenotypic traits is limited. A custom 4.2 million probes comparative genomic hybridization (CGH) array (Design-ID: 120405_Cynomolgus5_CGH_UX1) has been designed on the basis of the Cynomolgus monkey genome (Ebeling et al. (2011) Genome Research; PMID: 21862625) to assess genome-wide copy number variation among Cynomolgus monkeys. Using Cynomolgus monkey specific NimbleGen CGH Microarrays we profiled the genomes of 21 Cynomolgus monkeys. Germline DNA from 21 Cynomolgus monkeys with different origin was tested against a Cynomolgus monkey reference. Cynomolus monkey samples were derived from breeding centers located in the Philippines (3 females and 3 males), in Vietnam (2 males and 2 females), in China for animals from Mainland Southeast Asia (3 females), or in Mauritius (4 females and 4 males). Furthermore genome-wide expression profiles were analyzed in 5 vitally important tissue samples (heart, kidney, liver, lung, spleen) from the same animals using a custom Cynomolgus monkey specific NimbleGen gene expression microarray (design ID: 120419_Cynomolgus_v5_TH_exp_HX12) to associate CNV genotypes with expression changes of proximal genes using a cis expression quantitative trait loci (cis-eQTL) mapping approach. Expression data have been deposited at the NCBI Gene Expression Omnibus (GEO) under accession numbers GSE76560. The array CGH results analyzed in this study are further described in Gschwind A.R. et al. (2016) "Diversity and regulatory impact of copy number variation in the primate Macaca fascicularis". under submission

2016-02-24 | GSE76707 | GEO

Plasma proteomics data of cynomolgus monkeys

Project description:To identify plasma proteomics changes in primates aging and aging intervention, we performed DIA sequencing on blood plasma from the cynomolgus monkeys.

2024-03-05 | PXD050387 |

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