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Feng L, Wang C, Zhang C, Zhang W, Song W. Role of epigenetic regulation in glaucoma. Biomed Pharmacother 2023; 168:115633. [PMID: 37806089 DOI: 10.1016/j.biopha.2023.115633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/23/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023] Open
Abstract
Glaucoma is the world's leading irreversible blinding eye disease. Lowering intraocular pressure is currently the only effective clinical treatment. However, there is a lack of long-acting IOP-lowering drugs, and some patients still experience retinal ganglion cell loss even with good intraocular pressure control. Currently, there is no effective method for neuroprotection and regeneration in clinical practice for glaucoma. In recent years, epigenetics has been widely researched and reported for its role in glaucoma's neuroprotection and regeneration. This article reviews the changes in histone modifications, DNA methylation, non-coding RNA, and m6A methylation in glaucoma, aiming to provide new perspectives for glaucoma management, protection of retinal ganglion cells, and axon regeneration by understanding epigenetic alterations.
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Affiliation(s)
- Lemeng Feng
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital of Central South University, Changsha, Hunan 410008, PR China; Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China; Hunan Key Laboratory of Ophthalmology, Changsha, Hunan 410008, PR China
| | - Chao Wang
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital of Central South University, Changsha, Hunan 410008, PR China; Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China; Hunan Key Laboratory of Ophthalmology, Changsha, Hunan 410008, PR China
| | - Cheng Zhang
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital of Central South University, Changsha, Hunan 410008, PR China; Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China; Hunan Key Laboratory of Ophthalmology, Changsha, Hunan 410008, PR China
| | - Wulong Zhang
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital of Central South University, Changsha, Hunan 410008, PR China; Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China; Hunan Key Laboratory of Ophthalmology, Changsha, Hunan 410008, PR China
| | - Weitao Song
- National Clinical Research Center for Geriatric Diseases, Xiangya Hospital of Central South University, Changsha, Hunan 410008, PR China; Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan 410008, PR China; Hunan Key Laboratory of Ophthalmology, Changsha, Hunan 410008, PR China.
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2
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Dobrzycka M, Sulewska A, Biecek P, Charkiewicz R, Karabowicz P, Charkiewicz A, Golaszewska K, Milewska P, Michalska-Falkowska A, Nowak K, Niklinski J, Konopińska J. miRNA Studies in Glaucoma: A Comprehensive Review of Current Knowledge and Future Perspectives. Int J Mol Sci 2023; 24:14699. [PMID: 37834147 PMCID: PMC10572595 DOI: 10.3390/ijms241914699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Glaucoma, a neurodegenerative disorder that leads to irreversible blindness, remains a challenge because of its complex nature. MicroRNAs (miRNAs) are crucial regulators of gene expression and are associated with glaucoma and other diseases. We aimed to review and discuss the advantages and disadvantages of miRNA-focused molecular studies in glaucoma through discussing their potential as biomarkers for early detection and diagnosis; offering insights into molecular pathways and mechanisms; and discussing their potential utility with respect to personalized medicine, their therapeutic potential, and non-invasive monitoring. Limitations, such as variability, small sample sizes, sample specificity, and limited accessibility to ocular tissues, are also addressed, underscoring the need for robust protocols and collaboration. Reproducibility and validation are crucial to establish the credibility of miRNA research findings, and the integration of bioinformatics tools for miRNA database creation is a valuable component of a comprehensive approach to investigate miRNA aberrations in patients with glaucoma. Overall, miRNA research in glaucoma has provided significant insights into the molecular mechanisms of the disease, offering potential biomarkers, diagnostic tools, and therapeutic targets. However, addressing challenges such as variability and limited tissue accessibility is essential, and further investigations and validation will contribute to a deeper understanding of the functional significance of miRNAs in glaucoma.
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Affiliation(s)
- Margarita Dobrzycka
- Department of Ophthalmology, Medical University of Bialystok, 15-276 Bialystok, Poland; (M.D.); (K.G.)
| | - Anetta Sulewska
- Department of Clinical Molecular Biology, Medical University of Bialystok, 15-269 Bialystok, Poland; (A.S.); (A.C.); (J.N.)
| | - Przemyslaw Biecek
- Faculty of Mathematics and Information Science, Warsaw University of Technology, 00-662 Warsaw, Poland;
| | - Radoslaw Charkiewicz
- Center of Experimental Medicine, Medical University of Bialystok, 15-369 Bialystok, Poland;
- Biobank, Medical University of Bialystok, 15-269 Bialystok, Poland; (P.K.); (P.M.); (A.M.-F.)
| | - Piotr Karabowicz
- Biobank, Medical University of Bialystok, 15-269 Bialystok, Poland; (P.K.); (P.M.); (A.M.-F.)
| | - Angelika Charkiewicz
- Department of Clinical Molecular Biology, Medical University of Bialystok, 15-269 Bialystok, Poland; (A.S.); (A.C.); (J.N.)
| | - Kinga Golaszewska
- Department of Ophthalmology, Medical University of Bialystok, 15-276 Bialystok, Poland; (M.D.); (K.G.)
| | - Patrycja Milewska
- Biobank, Medical University of Bialystok, 15-269 Bialystok, Poland; (P.K.); (P.M.); (A.M.-F.)
| | | | - Karolina Nowak
- Department of Obstetrics and Gynecology, C.S. Mott Center for Human Growth and Development, School of Medicine, Wayne State University, Detroit, MI 48201, USA;
| | - Jacek Niklinski
- Department of Clinical Molecular Biology, Medical University of Bialystok, 15-269 Bialystok, Poland; (A.S.); (A.C.); (J.N.)
| | - Joanna Konopińska
- Department of Ophthalmology, Medical University of Bialystok, 15-276 Bialystok, Poland; (M.D.); (K.G.)
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3
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Shi X, Xue Z, Ye K, Yuan J, Zhang Y, Qu J, Su J. Roles of non-coding RNAs in eye development and diseases. WILEY INTERDISCIPLINARY REVIEWS. RNA 2023; 14:e1785. [PMID: 36849659 DOI: 10.1002/wrna.1785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/17/2022] [Accepted: 02/06/2023] [Indexed: 03/01/2023]
Abstract
The prevalence of ocular disorders is dramatically increasing worldwide, especially those that cause visual impairment and permanent loss of vision, including cataract, glaucoma, age-related macular degeneration, and diabetic retinopathy. Extensive evidence has shown that ncRNAs are key regulators in various biogenesis and biological functions, controlling gene expression related to histogenesis and cell differentiation in ocular tissues. Aberrant expression and function of ncRNA can lead to dysfunction of visual system and mediate progression of eye disorders. Here, we mainly offer an overview of the role of precise modulation of ncRNAs in eye development and function in patients with eye diseases. We also highlight the challenges and future perspectives in conducting ncRNA studies, focusing specifically on the role of ncRNAs that may hold expanded promise for their diagnostic and therapeutic applications in various eye diseases. This article is categorized under: Regulatory RNAs/RNAi/Riboswitches > Regulatory RNAs RNA in Disease and Development > RNA in Disease RNA in Disease and Development > RNA in Development.
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Affiliation(s)
- Xinrui Shi
- School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhengbo Xue
- School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Kaicheng Ye
- School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jian Yuan
- School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Zhejiang, China
| | - Yan Zhang
- School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jia Qu
- School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Zhejiang, China
| | - Jianzhong Su
- School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
- Oujiang Laboratory, Zhejiang Lab for Regenerative Medicine, Vision and Brain Health, Zhejiang, China
- Institute of PSI Genomics, Zhejiang, China
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4
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Sanie-Jahromi F, Mahmoudi A, Khalili MR, Nowroozzadeh MH. A Review on the Application of Stem Cell Secretome in the Protection and Regeneration of Retinal Ganglion Cells; a Clinical Prospect in the Treatment of Optic Neuropathies. Curr Eye Res 2022; 47:1463-1471. [PMID: 35876610 DOI: 10.1080/02713683.2022.2103153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
PURPOSE Retinal ganglion cells (RGCs) are one the most specialized neural tissues in the body. They transmit (and further process) chemoelectrical information originating in outer retinal layers to the central nervous system. In fact, the optic nerve is composed of RGC axons. Like other neural cells, RGCs will not completely heal after the injury, leading to irreversible vision loss from disorders such as glaucoma that primarily affect these cells. Several methods have been developed to protect or regenerate RGCs during or after the insult has occurred. This study aims to review the most recent clinical, animal and laboratory experiments designed for the regeneration of RGC that apply the stem cell-derived secretome. METHODS We extracted the studies from Web of Science (ISI), Medline (PubMed), Scopus, Embase, and Google scholar from the first record to the last report registered in 2022, using the following keywords; "secretome" OR "conditioned medium" OR "exosome" OR "extracellular vesicle" AND "stem cell" AND "RGC" OR "optic neuropathy". Any registered clinical trials related to the subject were also extracted from clinicaltrial.gov. All published original studies that express the effect of stem cell secretome on RGC cells in optic neuropathy, whether in vitro, in animal studies, or in clinical trials were included in this survey. RESULTS In this review, we provided an update on the existing reports, and a brief description of the details applied in the procedure. Compared to cell transplant, applying stem cell-derived secretome has the advantage of minimized immunogenicity yet preserving efficacy via its rich content of growth factors. CONCLUSIONS Different sources of stem cell secretomes have distinct implications in the management of RGC injury, which is the main subject of the present article.
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Affiliation(s)
- Fatemeh Sanie-Jahromi
- Poostchi Ophthalmology Research Center, Department of Ophthalmology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ahmad Mahmoudi
- Poostchi Ophthalmology Research Center, Department of Ophthalmology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Reza Khalili
- Poostchi Ophthalmology Research Center, Department of Ophthalmology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - M Hossein Nowroozzadeh
- Poostchi Ophthalmology Research Center, Department of Ophthalmology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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5
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Li H, Su Y, Wang F, Tao F. Exosomes: a new way of protecting and regenerating optic nerve after injury. Hum Cell 2022; 35:771-778. [PMID: 35258808 DOI: 10.1007/s13577-022-00688-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 02/22/2022] [Indexed: 12/29/2022]
Abstract
As an important part of the central nervous system (CNS), the optic nerve usually cannot regenerate directly after injury. Therefore, treating the injury and restoring the function of the optic nerve are a historical problem in the medical field. Due to the special anatomical position of the optic nerve, the microenvironment needed for protection and regeneration after injury is lacking. Therefore, preventing the continued loss of neurons, protecting the functional nerves, and promoting the effective protection of nerves are the main ways to solve the problem. Exosomes are nano-sized vesicles with a diameter of 30-150 nm, composed of lipid bilayers, proteins, and genetic material. They have key functions in cell-to-cell communication, immune regulation, inflammation, and regeneration. More and more shreds of evidence show that exosomes not only play an important role in systemic diseases such as cancer, cardiovascular diseases, and brain diseases; they also play a key role in ophthalmological diseases. This article reviews the role of exosomes in the protection and regeneration of the optic nerve after optic nerve injury in related experimental studies and clinical treatment methods. GRAPHICAL ABSTARCT: .
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Affiliation(s)
- Huazhang Li
- Department of Ophthalmology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, 150001, China
| | - Ying Su
- Department of Ophthalmology, The First Affiliated Hospital, Harbin Medical University, Harbin, 150001, China.
| | - Feng Wang
- Department of Ophthalmology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, 150001, China.
| | - Feng Tao
- Department of Neurology, The Hospital of Heilongjiang Province, Harbin, 150001, China.
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Mead B, Tomarev S. The role of miRNA in retinal ganglion cell health and disease. Neural Regen Res 2022; 17:516-522. [PMID: 34380881 PMCID: PMC8504366 DOI: 10.4103/1673-5374.320974] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/19/2021] [Accepted: 04/15/2021] [Indexed: 12/03/2022] Open
Abstract
miRNA are short non-coding RNA responsible for the knockdown of proteins through their targeting and silencing of complimentary mRNA sequences. The miRNA landscape of a cell thus affects the levels of its proteins and has significant consequences to its health. Deviations in this miRNA landscape have been implicated in a variety of neurodegenerative diseases and have also garnered interest as targets for treatment. Retinal ganglion cells are the sole projection neuron of the retina with their axons making up the optic nerve. They are a focus of study not only for their importance in vision and the myriad of blinding diseases characterized by their dysfunction and loss, but also as a model of other central nervous system diseases such as spinal cord injury and traumatic brain injury. This review summarizes current knowledge on the role of miRNA in retinal ganglion cell function, highlighting how perturbations can result in disease, and how modulating their abundance may provide a novel avenue of therapeutic research.
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Affiliation(s)
- Ben Mead
- School of Optometry and Vision Sciences, Cardiff University, Cardiff, UK
| | - Stanislav Tomarev
- Section of Retinal Ganglion Cell Biology, Laboratory of Retinal Cell and Molecular Biology, National Eye Institute, National Institutes of Health, Bethesda, MD, USA
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7
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Greene KM, Stamer WD, Liu Y. The role of microRNAs in glaucoma. Exp Eye Res 2022; 215:108909. [PMID: 34968473 PMCID: PMC8923961 DOI: 10.1016/j.exer.2021.108909] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/28/2021] [Accepted: 12/20/2021] [Indexed: 02/03/2023]
Abstract
In this review, we aim to provide a comprehensive summary of the various microRNAs (miRNAs) shown to be involved in glaucoma and intraocular pressure regulation. miRNAs are short, single-stranded, and noncoding RNAs that regulate gene expression in a number of physiological conditions and human diseases, including glaucoma. Numerous miRNAs display differential expression in glaucoma-affected tissues, such as aqueous humor, tears, trabecular meshwork, and retina analyzed from patients and animal models, suggesting their potential involvement in glaucoma pathogenesis. Several studies summarized here have also investigated the challenge of delivering intact miRNAs to target tissues in order to develop miRNA-based glaucoma therapies. We extend these reports by conducting an additional layer of analysis that integrates the interaction between glaucoma-related miRNAs and glaucoma-associated genes. We conclude with a comprehensive discussion of the therapeutic potential of miRNAs, the cellular pathways that link these miRNAs together, and the most promising miRNAs for future glaucoma research.
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Affiliation(s)
- Karah M. Greene
- Department of Cellular Biology and Anatomy, Augusta University, 1460 Laney Walker Blvd CB1101, Augusta, GA 30912, United States
| | - W. Daniel Stamer
- Departments of Ophthalmology and Biomedical Engineering, Duke University, 2351 Erwin Rd, Durham, NC 27710, United States
| | - Yutao Liu
- Department of Cellular Biology and Anatomy, Augusta University, 1460 Laney Walker Blvd CB1101, Augusta, GA 30912, United States.,Center for Biotechnology and Genomic Medicine, Augusta University, 1120 15th Street, Augusta, GA 30912, United States,James and Jean Culver Vision Discovery Institute, Augusta University, 1460 Laney Walker Blvd CB1101, Augusta, GA 30912, United States
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8
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Zhu Y, Zhang Y, Jiang R, Zhao K, Zhou J. MicroRNA-29a May Influence Myopia Development by Regulating Collagen I. Curr Eye Res 2021; 47:468-476. [PMID: 34766525 DOI: 10.1080/02713683.2021.1998542] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
PURPOSE The aim of this study was to characterize the regulatory role of microRNA-29a (miR-29a) in myopia, providing support for potential biomarkers and new therapeutic targets of myopia in humans. METHODS The miR-29a expression level was detected in the aqueous humor and peripheral blood plasma of 21 high myopic patients and eight cataract control patients using quantitative polymerase chain reaction. iTRAQ analysis of proteomes was conducted to show the regulatory effect of miR-29a on human scleral fibroblasts (SFs) cultured in vitro. We also assessed proliferation, migration, and collagen I synthesis in SF cells, mediated by miR-29a. RESULTS MiR-29a expression was significantly higher in the aqueous humor of highly myopic patients than in the cataract control patients (fold change: 4.861, p = 0.001). miR-29a inhibited the synthesis of type I collagen in human SF cells and enhanced cell migration, but had no significant effect on cell proliferation. CONCLUSION MiR-29a was highly expressed in aqueous humor of myopia patients and inhibited the synthesis of type I collagen in human SF cells in vivo, thereby it may play an important role in myopia development.
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Affiliation(s)
- Yi Zhu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Yingjie Zhang
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Run Jiang
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Keke Zhao
- Department of Ophthalmology, Shanghai Children's Medical Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jibo Zhou
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai, China.,Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
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9
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Hubens WHG, Krauskopf J, Beckers HJM, Kleinjans JCS, Webers CAB, Gorgels TGMF. Small RNA Sequencing of Aqueous Humor and Plasma in Patients With Primary Open-Angle Glaucoma. Invest Ophthalmol Vis Sci 2021; 62:24. [PMID: 34156425 PMCID: PMC8237107 DOI: 10.1167/iovs.62.7.24] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Purpose Identify differentially expressed microRNAs (miRNAs) in aqueous humor (AH) and blood of primary open-angle glaucoma (POAG) patients by using small RNA sequencing. These may provide insight into POAG pathophysiology or serve as diagnostic biomarker. Methods AH and plasma of nine POAG patients and 10 cataract control patients were small RNA sequenced on Illumina NovaSeq 6000. Identification of gene transcripts targeted by differentially expressed miRNAs was done with miRWalk and MirPath. These targets were used for pathway analysis and Gene Ontology enrichment. Diagnostic potential was evaluated by receiver operating characteristics analysis. Results We identified 715 miRNAs in plasma and 62 miRNAs in AH. Plasma miRNA profile did not differ between POAG and control. In contrast, in AH, seven miRNAs were differentially expressed. Hsa-miR-30a-3p, hsa-miR-143-3p, hsa-miR-211-5p, and hsa-miR-221-3p were upregulated, whereas hsa-miR-92a-3p, hsa-miR-451a, and hsa-miR-486-5p were downregulated in POAG. Compared to previous studies, hsa-mir-143-3p, hsa-miR-211-5p, and hsa-miR-221-3p were reported previously, strengthening their involvement in POAG whereas hsa-miR-30a-3p, hsa-miR-92a-3p, and hsa-miR-486-5p are implicated in POAG for the first time. Identified gene transcripts were involved in several pathways, some implicated in glaucoma before (e.g., TGF-β and neurotrophin signaling), whereas others are new (e.g., prolactin and apelin signaling). In respect to diagnostics, AH concentration of hsa-mir-143-3p had an area under the curve (AUC) of 0.889. Combined with hsa-miR-221-3p, AUC improved to 0.96. Conclusions Small RNA sequencing identified seven differentially expressed miRNAs in AH of POAG patients. The differentially expressed miRNAs may be useful as POAG biomarkers or could become targets for new therapeutic strategies.
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Affiliation(s)
- Wouter H G Hubens
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, The Netherlands.,School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Julian Krauskopf
- Department of Toxicogenomics, Maastricht University, Maastricht, The Netherlands
| | - Henny J M Beckers
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Jos C S Kleinjans
- Department of Toxicogenomics, Maastricht University, Maastricht, The Netherlands
| | - Carroll A B Webers
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Theo G M F Gorgels
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, The Netherlands
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10
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Rong R, Wang M, You M, Li H, Xia X, Ji D. Pathogenesis and prospects for therapeutic clinical application of noncoding RNAs in glaucoma: Systematic perspectives. J Cell Physiol 2021; 236:7097-7116. [PMID: 33634475 PMCID: PMC8451868 DOI: 10.1002/jcp.30347] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 01/24/2021] [Accepted: 02/16/2021] [Indexed: 12/18/2022]
Abstract
Noncoding ribonucleic acids (ncRNAs) are an increasingly studied class of RNA molecules with extensive biological activities, including important roles in human development, health, and disease. Glaucoma is a neurodegenerative disease of the retina, and one of the leading causes of blindness worldwide. However, the specific roles of ncRNAs in the development and progression of glaucoma are unclear, and related reports are fragmented. An in‐depth understanding of ncRNAs participating in the pathogenesis and progression of glaucoma would be helpful for opening up new avenues to facilitate the early diagnosis and clinical treatment. Therefore, in this review, we aimed to discuss the current research progress, the potentialfuture clinical applications and the research limitations of three critical classes of ncRNAs in glaucoma, namely microRNAs, long noncoding RNAs, and circular RNAs.
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Affiliation(s)
- Rong Rong
- Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China
| | - Mengxiao Wang
- Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China
| | - Mengling You
- Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China
| | - Haibo Li
- Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China
| | - Xiaobo Xia
- Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China
| | - Dan Ji
- Eye Center of Xiangya Hospital, Central South University, Changsha, Hunan, China.,Hunan Key Laboratory of Ophthalmology, Changsha, Hunan, China
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11
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Zhang Q, He C, Li R, Ke Y, Sun K, Wang J. miR-708 and miR-335-3p Inhibit the Apoptosis of Retinal Ganglion Cells Through Suppressing Autophagy. J Mol Neurosci 2020; 71:284-292. [PMID: 32683666 DOI: 10.1007/s12031-020-01648-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Accepted: 06/22/2020] [Indexed: 11/26/2022]
Abstract
This study aimed to clarify the regulation role of miR-708 and miR-335-3p in retinal ganglion cell (RGC) autophagy and apoptosis in glaucoma. Chronic glaucoma mice were established by laser photocoagulation. RGCs were isolated and transfected with a series of plasmids and the cultured in 60 mmHg pressure. miR-335-3p, miR-708, and ATG3 mRNA expressions were detected by qRT-PCR. Protein levels of ATG3, autophagy-related protein LC3, and p62 were detected by Western blot. The apoptosis of RGCs was detected by flow cytometry. The regulation role of miR-335-3p/miR-708 in ATG3 was confirmed by the dual-luciferase reporter gene. The expressions of several miRNAs were measured in retinal tissues from chronic glaucoma mice and RGCs under pressure conditions, and results showed that both miR-335-3p and miR-708 were down-regulated. Besides, the inhibition of miR-708 and miR-335-3p induced the apoptosis of RGCs through promoting autophagy. Also, miR-708 and miR-335-3p could bind to ATG3 and targeted regulated ATG3. Furthermore, the interference with miR-708/miR-335-3p induced RGC apoptosis by up-regulating ATG3 to promote autophagy. In general, the down-regulation of miR-708 and miR-335-3p contributed to the apoptosis of RGCs through promoting autophagy in glaucoma.
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Affiliation(s)
- Qiuli Zhang
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, No.57, South Renmin Avenue, Zhanjiang, 524001, Guangdong Province, China.
| | - Chang He
- Department of Genetics, College of Basic Medical Sciences, Jilin University, Changchun, 130021, Jilin, China
| | - Ruizhuang Li
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, No.57, South Renmin Avenue, Zhanjiang, 524001, Guangdong Province, China
| | - Yi Ke
- Department of Ophthalmology, Affiliated Hospital of Guangdong Medical University, No.57, South Renmin Avenue, Zhanjiang, 524001, Guangdong Province, China
| | - Kaidi Sun
- Department of Ophthalmology, Affiliated Hospital of Inner Mongolia University for the Nationalities, Tongliao, 028007, Inner Mongolia, China
| | - Jiaqi Wang
- Department of Ophthalmology, Affiliated Hospital of Inner Mongolia University for the Nationalities, Tongliao, 028007, Inner Mongolia, China
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12
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Zhu Y, Li W, Zhu D, Zhou J. microRNA profiling in the aqueous humor of highly myopic eyes using next generation sequencing. Exp Eye Res 2020; 195:108034. [PMID: 32333905 DOI: 10.1016/j.exer.2020.108034] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 03/31/2020] [Accepted: 04/10/2020] [Indexed: 11/19/2022]
Abstract
PURPOSE To characterize microRNAs (miRNAs) and their possible roles in high myopia by using next generation sequencing. METHODS Aqueous humor samples were obtained from 25 highly myopic eyes and 25 cataract eyes at the onset of surgery. miRNA next generation sequencing and bioinformatics analyses were performed using RNA extracted from 30 samples. The remaining 20 samples were used for quantitative polymerase chain reaction validation of sequencing results. RESULTS A total of 341 microRNAs 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. The relative expression patterns of hsa-let-7i-5p, hsa-miR-127-3p, and hsa-miR-98-5p were confirmed by quantitative polymerase chain reaction. 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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Affiliation(s)
- Yi Zhu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Weiran Li
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China
| | - Dongqing Zhu
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China.
| | - Jibo Zhou
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, 639 Zhizaoju Road, Shanghai, 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai, China.
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Retinal miRNA Functions in Health and Disease. Genes (Basel) 2019; 10:genes10050377. [PMID: 31108959 PMCID: PMC6562649 DOI: 10.3390/genes10050377] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 05/15/2019] [Accepted: 05/15/2019] [Indexed: 01/12/2023] Open
Abstract
The health and function of our visual system relies on accurate gene expression. While many genetic mutations are associated with visual impairment and blindness, we are just beginning to understand the complex interplay between gene regulation and retinal pathologies. MicroRNAs (miRNAs), a class of non-coding RNAs, are important regulators of gene expression that exert their function through post-transcriptional silencing of complementary mRNA targets. According to recent transcriptomic analyses, certain miRNA species are expressed in all retinal cell types, while others are cell type-specific. As miRNAs play important roles in homeostasis, cellular function, and survival of differentiated retinal cell types, their dysregulation is associated with retinal degenerative diseases. Thus, advancing our understanding of the genetic networks modulated by miRNAs is central to harnessing their potential as therapeutic agents to overcome visual impairment. In this review, we summarize the role of distinct miRNAs in specific retinal cell types, the current knowledge on their implication in inherited retinal disorders, and their potential as therapeutic agents.
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