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Ye L, Chen Y, Gu W, Shao J, Xin Y. Hsa_circ_0004776 regulates the retina neovascularization in progression of diabetic retinopathy via hsa-miR-382-5p/ BDNF axis. Arch Physiol Biochem 2024:1-13. [PMID: 38975651 DOI: 10.1080/13813455.2024.2375981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 06/26/2024] [Indexed: 07/09/2024]
Abstract
The aim of this work was to identify the regulatory function of hsa_circ_0004776 in the progression of diabetic retinopathy (DR). The direct interactions between hsa_circ_0004776 and hsa-miR-382-5p and between hsa-miR-382-5p and BDNF, were confirmed via dual-luciferase reporter assays. Quantitative Real-Time PCR analysis indicated that hsa_circ_0004776 was highly expressed in aqueous humour samples of DR patients and human retinal microvascular epithelial cells (hRECs) under a high-glucose environment, whereas hsa-miR-382-5p showed the opposite trend. Overexpressed hsa_circ_0004776 significantly enhanced DNA synthesis, proliferation, migration, and tube formation in hRECs in hyperglycaemia, while hsa-miR-382-5p mimics reversed these changes. Additionally, in a streptozotocin-induced Sprague-Dawley rat model of DR, vitreous microinjection of rno-miR-382-5p agomir reversed the pathologic features in the progression of DR, including retinal vascular leakage, capillary decellularization, loss of pericytes, fibrosis, and gliosis. Our results indicated that under hyperglycaemic conditions, hsa_circ_0004776 influences the progression of DR via hsa-miR-382-5p and thus represents a potential therapeutic target.
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Affiliation(s)
- Lu Ye
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, National Engineering Research Center for Cereal Fermentation and Food Bio Manufacturing, Jiangnan University, Wuxi, Jiangsu, China
| | - Yixiu Chen
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, National Engineering Research Center for Cereal Fermentation and Food Bio Manufacturing, Jiangnan University, Wuxi, Jiangsu, China
| | - Wendong Gu
- Department of Ophthalmology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi, Jiangsu, China
| | - Jun Shao
- Department of Ophthalmology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi, Jiangsu, China
| | - Yu Xin
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, National Engineering Research Center for Cereal Fermentation and Food Bio Manufacturing, Jiangnan University, Wuxi, Jiangsu, China
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2
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Sun Y, Hao M, Wu H, Zhang C, Wei D, Li S, Song Z, Tao Y. Unveiling the role of CaMKII in retinal degeneration: from biological mechanism to therapeutic strategies. Cell Biosci 2024; 14:59. [PMID: 38725013 PMCID: PMC11084033 DOI: 10.1186/s13578-024-01236-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 04/18/2024] [Indexed: 05/12/2024] Open
Abstract
Ca2+/calmodulin-dependent protein kinase II (CaMKII) is a family of broad substrate specificity serine (Ser)/threonine (Thr) protein kinases that play a crucial role in the Ca2+-dependent signaling pathways. Its significance as an intracellular Ca2+ sensor has garnered abundant research interest in the domain of neurodegeneration. Accumulating evidences suggest that CaMKII is implicated in the pathology of degenerative retinopathies such as diabetic retinopathy (DR), age-related macular degeneration (AMD), retinitis pigmentosa (RP) and glaucoma optic neuropathy. CaMKII can induce the aberrant proliferation of retinal blood vessels, influence the synaptic signaling, and exert dual effects on the survival of retinal ganglion cells and pigment epithelial cells. Researchers have put forth multiple therapeutic agents, encompassing small molecules, peptides, and nucleotides that possess the capability to modulate CaMKII activity. Due to its broad range isoforms and splice variants therapeutic strategies seek to inhibit specifically the CaMKII are confronted with considerable challenges. Therefore, it becomes crucial to discern the detrimental and advantageous aspects of CaMKII, thereby facilitating the development of efficacious treatment. In this review, we summarize recent research findings on the cellular and molecular biology of CaMKII, with special emphasis on its metabolic and regulatory mechanisms. We delve into the involvement of CaMKII in the retinal signal transduction pathways and discuss the correlation between CaMKII and calcium overload. Furthermore, we elaborate the therapeutic trials targeting CaMKII, and introduce recent developments in the zone of CaMKII inhibitors. These findings would enrich our knowledge of CaMKII, and shed light on the development of a therapeutic target for degenerative retinopathy.
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Affiliation(s)
- Yuxin Sun
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Mengyu Hao
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Hao Wu
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Chengzhi Zhang
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Dong Wei
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Siyu Li
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China
| | - Zongming Song
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China.
| | - Ye Tao
- Department of Ophthalmology, Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou, 450003, China.
- College of Medicine, Zhengzhou University, Zhengzhou, 450001, China.
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3
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Hao J, Yang Z, Zhang R, Ma Z, Liu J, Bi H, Guo D. Crosstalk between heredity and environment in myopia: An overview. Heliyon 2024; 10:e29715. [PMID: 38660258 PMCID: PMC11040123 DOI: 10.1016/j.heliyon.2024.e29715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 03/04/2024] [Accepted: 04/14/2024] [Indexed: 04/26/2024] Open
Abstract
In recent years, the prevalence of myopia has gradually increased, and it has become a significant global public health problem in the 21st century, posing a serious challenge to human eye health. Currently, it is confirmed that the development of myopia is attributed to the combined action of genes and environmental factors. Thus, elucidating the risk factors and pathogenesis of myopia is of great significance for the prevention and control of myopia. To elucidate the impact of gene-environment interaction on myopia, we used the Pubmed database to search for literature related to myopia. Search terms are as follows: myopia, genes, environmental factors, gene-environment interaction, and treatment. This paper reviews the effects of gene and environmental interaction on myopia.
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Affiliation(s)
- Jiawen Hao
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Zhaohui Yang
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Ruixue Zhang
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Zhongyu Ma
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Jinpeng Liu
- Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Hongsheng Bi
- Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
- Shandong Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases, Jinan, 250002, China
- Shandong Academy of Eye Disease Prevention and Therapy, Jinan, 250002, China
- Shandong Provincial Clinical Research Center of Ophthalmology and Children Visual Impairment Prevention and Control, Jinan, 250002, China
- Shandong Engineering Technology Research Center of Visual Intelligence, Jinan, 250002, China
- Shandong Academy of Health and Myopia Prevention and Control of Children and Adolescents, Jinan, 250002, China
- Medical College of Optometry and Ophthalmology, Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
| | - Dadong Guo
- Affiliated Eye Hospital of Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
- Shandong Provincial Key Laboratory of Integrated Traditional Chinese and Western Medicine for Prevention and Therapy of Ocular Diseases, Jinan, 250002, China
- Shandong Academy of Eye Disease Prevention and Therapy, Jinan, 250002, China
- Shandong Provincial Clinical Research Center of Ophthalmology and Children Visual Impairment Prevention and Control, Jinan, 250002, China
- Shandong Engineering Technology Research Center of Visual Intelligence, Jinan, 250002, China
- Shandong Academy of Health and Myopia Prevention and Control of Children and Adolescents, Jinan, 250002, China
- Medical College of Optometry and Ophthalmology, Shandong University of Traditional Chinese Medicine, Jinan, 250002, China
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Zhang L, Yu X, Hong N, Xia Y, Zhang X, Wang L, Xie C, Dong F, Tong J, Shen Y. CircRNA expression profiles and regulatory networks in the vitreous humor of people with high myopia. Exp Eye Res 2024; 241:109827. [PMID: 38354945 DOI: 10.1016/j.exer.2024.109827] [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: 11/15/2023] [Revised: 01/18/2024] [Accepted: 02/11/2024] [Indexed: 02/16/2024]
Abstract
Myopia is a global health and economic issue. Circular RNAs (circRNAs) have been shown to play an important role in the pathogenesis of many ocular diseases. We first evaluated the circRNA profiles and possible roles in vitreous humor samples of individuals with high myopia by a competitive endogenous RNA (ceRNA) array. Vitreous humor samples were collected from 15 high myopic (5 for ceRNA array, and 10 for qPCR) and 15 control eyes (5 for ceRNA array, and 10 for qPCR) with idiopathic epiretinal membrane (ERM) and macular hole (MH). 486 circRNAs (339 upregulated and 147 downregulated) and 264 mRNAs (202 upregulated and 62 downregulated) were differentially expressed between the high myopia and control groups. The expression of hsa_circ_0033079 (hsa-circDicer1), hsa_circ_0029989 (hsa-circNbea), hsa_circ_0019072 (hsa-circPank1) and hsa_circ_0089716 (hsa-circEhmt1) were validated by qPCR. Pearson analysis and multivariate regression analysis showed positive and significant correlations for axial length with hsa-circNbea and hsa-circPank1. KEGG analysis showed that the target genes of circRNAs were enriched in the mTOR, insulin, cAMP, and VEGF signaling pathways. GO analysis indicated that circRNAs mainly targeted transcription, cytoplasm, and protein binding. CircRNA-associated ceRNA network analysis and PPI network analysis identified several critical genes for myopia. The expression of circNbea, circPank1, miR-145-5p, miR-204-5p, Nras, Itpr1 were validated by qPCR in the sclera of form-deprivation myopia (FDM) mice model. CircPank1/miR-145-5p/NRAS and circNbea/miR-204-5p/ITPR1 were identified and may be important in the progression of myopia. Our findings suggest that circRNAs may contribute to the pathogenesis of myopia and may serve as potential biomarkers.
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Affiliation(s)
- Liyue Zhang
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Xin Yu
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Nan Hong
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Yutong Xia
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Xuhong Zhang
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Liyin Wang
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Chen Xie
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China
| | - Feng Dong
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
| | - Jianping Tong
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
| | - Ye Shen
- The Department of Ophthalmology, First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, People's Republic of China.
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Fan X, Yang Y, Wu G, Kong Y, Zhang Y, Zha X. Circ-CARD6 inhibits oxidative stress-induced apoptosis and autophagy in ARPE-19 cells via the miR-29b-3p/PRDX6/PI3K/Akt axis. Exp Eye Res 2024; 238:109690. [PMID: 37939831 DOI: 10.1016/j.exer.2023.109690] [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: 02/23/2023] [Revised: 09/28/2023] [Accepted: 10/22/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Oxidative stress-induced damage and dysfunction of retinal pigment epithelium (RPE) cells are important pathogenetic factors of age-related macular degeneration (AMD) and hereditary retinopathy diseases (HRDs). This study aimed to elucidate the roles and mechanisms of circ-CARD6 and miR-29b-3p in oxidative stress-induced RPE and provide new ideas for the diagnosis and treatment of retinopathy disease (RD). METHODS A model of oxidative stress-induced RPE (ARPE-19) was established, and the level of malondialdehyde (MDA) and concentration of reactive oxygen species (ROS) were detected by a DCFH-DA fluorescent probe and MDA kit. The cell viability was measured by a CCK-8 assay. The expression of PRDX6/PI3K/Akt axis genes and proteins related to apoptosis and autophagy were determined by RT‒qPCR and Western blot analyses. The dual-luciferase reporter system confirmed the targeting relationship between miR-29b-3p and circ-CARD6 and between miR-29b-3p and PRDX6. RESULTS In H2O2-treated ARPE-19 cells, the expression of circ-CARD6 and PRDX6 was decreased, while the expression of miR-29b-3p was increased. The overexpression of circ-CARD6 inhibits oxidative stress-induced increases in ROS, apoptosis and autophagy in ARPE-19 cells. circ-CARD6 targets miR-29b-3p, miR-29b-3p targets PRDX6, and circ-CARD6 regulates PRDX6 via miR-29b-3p. Further studies showed that circ-CARD6 acts as a competitive endogenous RNA of miR-29b-3p to affect the expression of PRDX6, thereby inhibiting autophagy and apoptosis in ARPE-19 cells. CONCLUSION circ-CARD6 can inhibit oxidative stress and apoptosis by regulating the miR-29b-3p/PRDX6/PI3K/Akt axis.
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Affiliation(s)
- Xinyu Fan
- Department of Ophthalmology, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan, China
| | - Yanni Yang
- Ophthalmology Department, The Second Hospital of Ningbo, Ningbo, 315010, Zhejiang, China
| | - Guojiu Wu
- Department of Ophthalmology, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan, China
| | - Yanbo Kong
- Department of Ophthalmology, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan, China
| | - Yuanping Zhang
- Department of Ophthalmology, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan, China
| | - Xu Zha
- Department of Ophthalmology, The 2nd Affiliated Hospital of Kunming Medical University, Kunming, 650101, Yunnan, China.
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6
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Hoque P, Romero B, Akins RE, Batish M. Exploring the Multifaceted Biologically Relevant Roles of circRNAs: From Regulation, Translation to Biomarkers. Cells 2023; 12:2813. [PMID: 38132133 PMCID: PMC10741722 DOI: 10.3390/cells12242813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/02/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
CircRNAs are a category of regulatory RNAs that have garnered significant attention in the field of regulatory RNA research due to their structural stability and tissue-specific expression. Their circular configuration, formed via back-splicing, results in a covalently closed structure that exhibits greater resistance to exonucleases compared to linear RNAs. The distinctive regulation of circRNAs is closely associated with several physiological processes, as well as the advancement of pathophysiological processes in several human diseases. Despite a good understanding of the biogenesis of circular RNA, details of their biological roles are still being explored. With the steady rise in the number of investigations being carried out regarding the involvement of circRNAs in various regulatory pathways, understanding the biological and clinical relevance of circRNA-mediated regulation has become challenging. Given the vast landscape of circRNA research in the development of the heart and vasculature, we evaluated cardiovascular system research as a model to critically review the state-of-the-art understanding of the biologically relevant functions of circRNAs. We conclude the review with a discussion of the limitations of current functional studies and provide potential solutions by which these limitations can be addressed to identify and validate the meaningful and impactful functions of circRNAs in different physiological processes and diseases.
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Affiliation(s)
- Parsa Hoque
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Brigette Romero
- Department of Medical and Molecular Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Robert E Akins
- Nemours Children’s Research, Nemours Children’s Health System, Wilmington, DE 19803, USA;
| | - Mona Batish
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
- Department of Medical and Molecular Sciences, University of Delaware, Newark, DE 19716, USA;
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7
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Shao J, Gu W, Ye L, Xin Y. The hsa_circ_0004805/hsa_miR-149-5p/TGFB2 axis plays critical roles in the pathophysiology of diabetic retinopathy in vitro and in vivo. Mol Cell Endocrinol 2023; 576:112042. [PMID: 37567360 DOI: 10.1016/j.mce.2023.112042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/25/2023] [Accepted: 08/09/2023] [Indexed: 08/13/2023]
Abstract
The aim of this study was to investigate the mechanism underlying the role of a recently identified hsa_circ_0004805/hsa_miR-149-5p/transforming growth factor beta 2 (TGFB2) axis in the progression of diabetic retinopathy (DR). Quantitative reverse transcription-polymerase chain reaction (qRT-PCR) analysis suggested that hsa_circ_0004805 was highly expressed in aqueous humor samples of patients with DR, whereas hsa_miR-149-5p showed the opposite trend. Meanwhile, the results of a dual-luciferase reporter assay indicated that hsa_miR-149-5p directly interacted with both hsa_circ_0004805 and TGFB2. Using a variety of assays (Cell Counting Kit-8, EdU-labeling, Transwell, flow cytometric, wound healing, tube formation assays), we found that the overexpression of hsa_circ_0004805 significantly downregulated the level of hsa_miR-149-5p and promoted DNA synthesis, proliferation, migration, and tube formation in human retinal microvascular epithelial cells (hRECs) cultivated in a high-glucose environment. In contrast, hsa_miR-149-5p mimics inhibited DNA synthesis, proliferation, migration, and tube formation in hRECs by reducing the expression of its downstream target TGFB2 as well as the levels of phosphorylated SMAD2; however, these effects were reversed by the overexpression of hsa_circ_0004805. In a streptozotocin-induced Sprague-Dawley rat model of DR, retinal vascular leakage, capillary decellularization, loss of pericytes, fibrosis, and gliosis were evident, which could be reversed by vitreous microinjection of rat miR-149-5p mimics (rno-miR-149-5p agomir). Combined, our findings indicated that, under hyperglycemia, the hsa_circ_0004805/hsa_miR-149-5p/TGFB2 axis plays a critical role in the retinal pathophysiology associated with the development of DR, and has potential as a therapeutic target in the treatment of this condition.
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Affiliation(s)
- Jun Shao
- Department of Ophthalmology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi, 214023, Jiangsu, China.
| | - Wendong Gu
- Department of Ophthalmology, The Affiliated Wuxi People's Hospital of Nanjing Medical University, Wuxi People's Hospital, Wuxi Medical Center, Nanjing Medical University, Wuxi, 214023, Jiangsu, China
| | - Lu Ye
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, National Engineering Research Center for Cereal Fermentation and Food Bio Manufacturing, Jiangnan University, Wuxi, 214122, Jiangsu, PR China
| | - Yu Xin
- The Key Laboratory of Industrial Biotechnology, Ministry of Education, National Engineering Research Center for Cereal Fermentation and Food Bio Manufacturing, Jiangnan University, Wuxi, 214122, Jiangsu, PR China.
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8
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Geng C, Liu S, Wang J, Wang S, Zhang W, Rong H, Cao Y, Wang S, Li Z, Zhang Y. Targeting the cochlin/SFRP1/CaMKII axis in the ocular posterior pole prevents the progression of nonpathologic myopia. Commun Biol 2023; 6:884. [PMID: 37644183 PMCID: PMC10465513 DOI: 10.1038/s42003-023-05267-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 08/21/2023] [Indexed: 08/31/2023] Open
Abstract
Myopia is a major public health issue. However, interventional modalities for nonpathologic myopia are limited due to its complicated pathogenesis and the lack of precise targets. Here, we show that in guinea pig form-deprived myopia (FDM) and lens-induced myopia (LIM) models, the early initiation, phenotypic correlation, and stable maintenance of cochlin protein upregulation at the interface between retinal photoreceptors and retinal pigment epithelium (RPE) is identified by a proteomic analysis of ocular posterior pole tissues. Then, a microarray analysis reveals that cochlin upregulates the expression of the secreted frizzled-related protein 1 (SFRP1) gene in human RPE cells. Moreover, SFRP-1 elevates the intracellular Ca2+ concentration and activates Ca2+/calmodulin-dependent protein kinase II (CaMKII) signaling in a simian choroidal vascular endothelial cell line, and elicits vascular endothelial cell dysfunction. Furthermore, genetic knockdown of the cochlin gene and pharmacological blockade of SFRP1 abrogates the reduced choroidal blood perfusion and prevents myopia progression in the FDM model. Collectively, this study identifies a novel signaling axis that may involve cochlin in the retina, SFRP1 in the RPE, and CaMKII in choroidal vascular endothelial cells and contribute to the pathogenesis of nonpathologic myopia, implicating the potential of cochlin and SFRP1 as myopia interventional targets.
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Affiliation(s)
- Chao Geng
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China
| | - Siyi Liu
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China
| | - Jindan Wang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China
| | - Sennan Wang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China
| | - Weiran Zhang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China
| | - Hua Rong
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China
| | - Yunshan Cao
- Department of Cardiology, Gansu Provincial Hospital, Lanzhou University, 730000, Lanzhou, Gansu Province, China
| | - Shuqing Wang
- School of Pharmacy, Tianjin Medical University, 300070, Tianjin, China
| | - Zhiqing Li
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China
| | - Yan Zhang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 300384, Tianjin, China.
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9
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Huang X, Li Z, Zhang L, Yang Y, Wang Y, Li S, Li G, Feng H, Yang X. miR-205-5p inhibits homocysteine-induced pulmonary microvascular endothelium dysfunction by targeting FOXO1. Acta Biochim Biophys Sin (Shanghai) 2023; 55:1456-1466. [PMID: 37491880 PMCID: PMC10520487 DOI: 10.3724/abbs.2023127] [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: 01/12/2023] [Accepted: 03/31/2023] [Indexed: 07/27/2023] Open
Abstract
Homocysteine (Hcy) is a risk factor for multiple chronic diseases, and vascular endothelial cell injury has been regarded as the initiating step for this process. miRNAs are involved in Hcy-induced endothelial dysfunction, while the underlying mechanism and roles of miRNAs in pulmonary endothelial dysfunction induced by homocysteine are unknown. Here, we find that miR-205-5p alleviates pulmonary endothelial dysfunction by targeting FOXO1 in CBS +/‒ mice to protect against Hcy-induced pulmonary endothelial dysfunction. Mechanistically, we show that Hcy can lead to DNA hypermethylation of the miR-205-5p promoter due to the increased binding of DNMT1 to its promoter, which contributes to reduction of miR-205-5p expression. In summary, miR-205-5p promoter hypermethylation causes downregulation of miR-205-5p expression, resulting in a reduction in miR-205-5p binding to FOXO1 during homocysteine-induced pulmonary endothelial dysfunction. Our data indicate that miR-205-5p may be a potential therapeutic target against Hcy-induced pulmonary injury.
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Affiliation(s)
- Xiaobo Huang
- Department of Respiratory and Critical Care MedicineSecond Affiliated Hospital of Ningxia Medical University (The First People′s Hospital of Yinchuan)Yinchuan750001China
| | - Zhen Li
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
| | - Ling Zhang
- Department of PathologyPeople’s Hospital of Ningxia Hui Autonomous RegionYinchuan750004China
| | - Yali Yang
- Department of PathologyGeneral Hospital of Ningxia Medical UniversityYinchuan750004China
| | - Yanjia Wang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China
| | - Sirui Li
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China
| | - Guizhong Li
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China
| | | | - Xiaoling Yang
- NHC Key Laboratory of Metabolic Cardiovascular Diseases ResearchNingxia Medical UniversityYinchuan750004China
- School of Basic Medical SciencesNingxia Medical UniversityYinchuan750004China
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Liu C, Li M, Shen Y, Han X, Wei R, Wang Y, Xu S, Zhou X. Targeting choroidal vasculopathy via up-regulation of tRNA-derived fragment tRF-22 expression for controlling progression of myopia. J Transl Med 2023; 21:412. [PMID: 37355654 PMCID: PMC10290315 DOI: 10.1186/s12967-023-04274-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Accepted: 06/13/2023] [Indexed: 06/26/2023] Open
Abstract
BACKGROUND Myopia has emerged as a major public health concern globally, which is tightly associated with scleral extracellular matrix (ECM) remodeling and choroidal vasculopathy. Choroidal vasculopathy has gradually been recognized as a critical trigger of myopic pathology. However, the precise mechanism controlling choroidal vasculopathy remains unclear. Transfer RNA-derived fragments (tRFs) are known as a novel class of small non-coding RNAs that plays important roles in several biological and pathological processes. In this study, we investigated the role of tRF-22-8BWS72092 (tRF-22) in choroidal vasculopathy and myopia progression. METHODS The tRF-22 expression pattern under myopia-related stresses was detected by qRT-PCR. MTT assays, EdU incorporation assays, Transwell migration assays, and Matrigel assays were conducted to detect the role of tRF-22 in choroidal endothelial cell function in vitro. Isolectin B4 staining and choroidal sprouting assay ex vivo were conducted to detect the role of tRF-22 in choroidal vascular dysfunction in vivo. Immunofluorescent staining, western blot assays and ocular biometric parameters measurement were performed to examine whether altering tRF-22 expression in choroid affects scleral hypoxia and ECM remodeling and myopia progression in vivo. Bioinformatics analysis and luciferase activity assays were conducted to identify the downstream targets of tRF-22. RNA-sequencing combined with m6A-qPCR assays were used to identify the m6A modified targets of METTL3. Gain-of-function and Loss-of-function analysis were performed to reveal the mechanism of tRF-22/METTL3-mediated choroidal vascular dysfunction. RESULTS The results revealed that tRF-22 expression was significantly down-regulated in myopic choroid. tRF-22 overexpression alleviated choroidal vasculopathy and retarded the progression of myopia in vivo. tRF-22 regulated choroidal endothelial cell viability, proliferation, migration, and tube formation ability in vitro. Mechanistically, tRF-22 interacted with METTL3 and blocked m6A methylation of Axin1 and Arid1b mRNA transcripts, which led to increased expression of Axin1 and Arid1b. CONCLUSIONS Our study reveals that the intervention of choroidal vasculopathy via tRF-22-METTL3- Axin1/Arid1b axis is a promising strategy for the treatment of patients with myopic pathology.
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Affiliation(s)
- Chang Liu
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China
- Shanghai Research Center of Ophthalmology and Optometry, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, 200031, China
| | - Meiyan Li
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China
- Shanghai Research Center of Ophthalmology and Optometry, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, 200031, China
| | - Yaming Shen
- The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, 210029, China
- The Fourth School of Clinical Medicine, Nanjing Medical University, Nanjing, 210029, China
| | - Xiaoyan Han
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China
| | - Ruoyan Wei
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China
- Shanghai Research Center of Ophthalmology and Optometry, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, 200031, China
| | - Yunzhe Wang
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, China
- NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China
- Shanghai Research Center of Ophthalmology and Optometry, Shanghai, 200031, China
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, 200031, China
| | - Shanshan Xu
- The Affiliated Eye Hospital, Nanjing Medical University, Nanjing, 210029, China
| | - Xingtao Zhou
- Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, China.
- NHC Key Laboratory of Myopia (Fudan University), Key Laboratory of Myopia, Chinese Academy of Medical Sciences, Shanghai, 200031, China.
- Shanghai Research Center of Ophthalmology and Optometry, Shanghai, 200031, China.
- Shanghai Key Laboratory of Visual Impairment and Restoration, Shanghai, 200031, China.
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Zhou X, Zhang S, Yang F, Yang Y, Huang Q, Huang C, Qu J, Zhou X. Decreased Choroidal Blood Perfusion Induces Myopia in Guinea Pigs. Invest Ophthalmol Vis Sci 2021; 62:30. [PMID: 34967855 PMCID: PMC8740532 DOI: 10.1167/iovs.62.15.30] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Purpose The development of myopia in guinea pigs can be inhibited by attenuating scleral hypoxia by increasing choroidal blood perfusion (ChBP). In this study, we reduced ChBP through surgical and pharmacological methods to determine the effect on myopia development. We also determined whether ChBP was reduced by quinpirole, a drug that enhances form-deprivation myopia (FDM). Methods ChBP was reduced in the right eyes of guinea pigs via transection of the temporal ciliary arteries or daily injections of phenylephrine into the inferior peribulbar space for one week during normal ocular growth. Other guinea pigs were subjected to two weeks of monocular FDM—with facemasks, along with daily injections of quinpirole, a dopamine D2 receptor agonist, to enhance the FDM. Changes in refraction, axial length, ChBP, and choroidal thickness (ChT) were measured in both treated and fellow eyes of the treatment and control groups. Scleral hypoxia labeling with pimonidazole adducts and α-smooth muscle actin (α-SMA) protein were also measured. Results Surgical and pharmacological reduction of ChBP induced myopia development in the treated eyes. These treatments rendered the scleral hypoxia and increased scleral α-SMA expression. Furthermore, quinpirole injections, which increased the magnitude of myopia, augmented the FDM-associated reductions in ChBP and ChT and increased the levels of scleral hypoxia and α-SMA protein. Conclusions Decreased ChBP in guinea pigs leads to scleral hypoxia and scleral myofibroblast transdifferentiation with increased α-SMA expression, ultimately resulting in myopia development. In future clinical trials, ChBP reduction can serve as a potential biomarker for early detection of myopia development.
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Affiliation(s)
- Xuan Zhou
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China
| | - Sen Zhang
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China
| | - Fan Yang
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China
| | - Yaozhen Yang
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China
| | - Qin Huang
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China
| | - Chengjie Huang
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China
| | - Jia Qu
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China.,Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang, China
| | - Xiangtian Zhou
- School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,State Key Laboratory of Optometry, Ophthalmology and Vision Science, Wenzhou, Zhejiang, China.,Research Unit of Myopia Basic Research and Clinical Prevention and Control, Chinese Academy of Medical Sciences (2019RU025), Wenzhou, Zhejiang, China.,Oujiang Laboratory (Zhejiang Lab for Regenerative Medicine, Vision and Brain Health), Wenzhou, Zhejiang, China
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