Serological autoantibody profiling of emmetropic controls and highly myopic patiens
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PROVIDER: PRJNA926314 | ENA |
REPOSITORIES: ENA
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Project description:High myopia is a leading cause of blindness worldwide, among which pathologic myopia, characterized by typical myopic macular degeneration, is the most detrimental. However, its pathogenesis remains largely unknown. By using a protein microarray assaying more than 20,000 human proteins, we determined in this study the autoantibody profiles of highly myopic patiens and emmetropic controls.
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Project description:Clinical observations suggest increased size of lens in highly myopic subjects compared with emmetropic subjects. The layer of anterior lens epithelial cell membrane, being the most metabolically active part of the lens, can be easily acquired during standard lens surgery and is an ideal sample to study the gene expression difference between lens of different populations. In this study, to investigate the possible molecular mechanisms underlying different features of lens between highly myopic and emmetropic subjects, gene expression profiling of lens epithelia of corresponding population was conducted.
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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.
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