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Toro MD, Reibaldi M, Avitabile T, Bucolo C, Salomone S, Rejdak R, Nowomiejska K, Tripodi S, Posarelli C, Ragusa M, Barbagallo C. MicroRNAs in the Vitreous Humor of Patients with Retinal Detachment and a Different Grading of Proliferative Vitreoretinopathy: A Pilot Study. Transl Vis Sci Technol 2020; 9:23. [PMID: 32821520 PMCID: PMC7409223 DOI: 10.1167/tvst.9.6.23] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 03/14/2020] [Indexed: 12/11/2022] Open
Abstract
Purpose Although the expression of microRNAs (miRNAs) in retinal pigment epithelial (RPE) cells undergoing epithelial-mesenchymal transition (EMT) is involved in the pathogenesis of proliferative vitreoretinopathy (PVR), its expression in the vitreous of patients with primary retinal detachment (RD) and different PVR grading has not yet been investigated. We assessed the expression of miRNAs in the vitreous humor (VH) of patients diagnosed with RD and different grading of PVR. Methods The VH was extracted from the core of the vitreous chamber in patients who had undergone standard vitrectomy for primary RD. RNA was extracted and TaqMan Low-Density Arrays (TLDAs) were used for miRNA profiling that was performed by single TaqMan assays. A gene ontology (GO) analysis was performed on the differentially expressed miRNAs. Results A total of 15 eyes with RD, 3 eyes for each grade of PVR (A, B, C, and D) and 3 from unaffected individuals, were enrolled in this prospective comparative study. Twenty miRNAs were altered in the comparison among pathological groups. Interestingly, the expression of miR-143-3p, miR-224-5p, miR-361-5p, miR-452-5p, miR-486-3p, and miR-891a-5p increased with the worsening of PVR grading. We also identified 34 miRNAs showing differential expression in PVR compared to control vitreous samples. GO analysis showed that the deregulated miRNAs participate in processes previously associated with PVR pathogenesis. Conclusions The present pilot study suggested that dysregulated vitreal miRNAs may be considered as a biomarker of PVR and associated with the PVR-related complications in patients with RD. Translational Relevance The correlation between vitreal miRNAs and the pathological phenotypes are essential to identify the novel miRNA-based mechanisms underlying the PVR disease that would improve the diagnosis and treatment of the condition.
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Affiliation(s)
- Mario Damiano Toro
- Department of General Ophthalmology, Medical University of Lublin, Lublin, Poland
- Eye Clinic, University of Catania, Catania, Italy
| | | | | | - Claudio Bucolo
- Section of Pharmacology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Salvatore Salomone
- Section of Pharmacology, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
| | - Robert Rejdak
- Department of General Ophthalmology, Medical University of Lublin, Lublin, Poland
- Department of Experimental Pharmacology, Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | | | - Sarah Tripodi
- Department of Ophthalmology, Hospital C. Cantù, Abbiategrasso, Italy
| | - Chiara Posarelli
- Department of Surgical, Medical, Molecular Pathology, and of Critical Area, University of Pisa, Pisa, Italy
| | - Marco Ragusa
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
- Oasi Research Institute-IRCSS, Troina, Italy
| | - Cristina Barbagallo
- Section of Biology and Genetics, Department of Biomedical and Biotechnological Sciences, University of Catania, Catania, Italy
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Yao J, Hu LL, Li XM, Shan K, Zhou RM, Ge HM, Yao MD, Jiang Q, Zhao C, Yan B. Comprehensive circular RNA profiling of proliferative vitreoretinopathy and its clinical significance. Biomed Pharmacother 2018; 111:548-554. [PMID: 30597308 DOI: 10.1016/j.biopha.2018.12.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 12/10/2018] [Indexed: 01/24/2023] Open
Abstract
Proliferative vitreoretinopathy (PVR) is one of the major challenges in retinal surgery, which occurs in the patient with complex retinal surgery or penetrating eye injury. Circular RNAs (circRNAs) have emerged as important regulators in many biological processes and disease development. However, the characterization and function of circRNAs in PVR remains elusive. In this study, we identified 91 dysregulated circRNAs in the epiretinal membranes (ERMs) of PVR patients. We further investigated the expression pattern of circ_0043144. circ_0043144 was significantly up-regulated in the vitreous samples and the corresponding serum samples of the patients with PVR. circ_0043144 expression was significantly down-regulated after PVR operation. In vitro studies revealed that circ_0043144 was involved in the regulation of the proliferation, migration and secretion ability of ARPE-19 cells, which is critical for ERM formation. Collectively, this study indicates that circRNAs are potential regulators of the pathogenesis of PVR. circ_0043144 is a promising prognostic and diagnostic indicator for PVR diseases.
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Affiliation(s)
- Jin Yao
- The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China; The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
| | - Li-Li Hu
- Department of Ophthalmology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Xiu-Miao Li
- The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China
| | - Kun Shan
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Rong-Mei Zhou
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Hui-Min Ge
- The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China; The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
| | - Mu-Di Yao
- The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China; The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China
| | - Qin Jiang
- The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, China; The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, China.
| | - Chen Zhao
- Department of Ophthalmology, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China; Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China.
| | - Biao Yan
- Eye Institute, Eye & ENT Hospital, Shanghai Medical College, Fudan University, Shanghai, China; NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, and Shanghai Key Laboratory of Visual Impairment and Restoration (Fudan University), Shanghai, China.
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