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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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2
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Wilhelm D, Wurtz A, Abouelfarah H, Sanchez G, Bui C, Vincourt JB. Tissue-specific collagen hydroxylation at GEP/GDP triplets mediated by P4HA2. Matrix Biol 2023; 119:141-153. [PMID: 37003347 DOI: 10.1016/j.matbio.2023.03.009] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 03/08/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Abstract
Collagen, the most abundant organic compound of vertebrate organisms, is a supramolecular, protein-made polymer. Details of its post-translational maturation largely determine the mechanical properties of connective tissues. Its assembly requires massive, heterogeneous prolyl-4-hydroxylation (P4H), catalyzed by Prolyl-4-hydroxylases (P4HA1-3), providing thermostability to its elemental, triple helical building block. So far, there was no evidence of tissue-specific regulation of P4H, nor of a differential substrate repertoire of P4HAs. Here, the post-translational modifications of collagen extracted from bone, skin, and tendon were compared, revealing lower hydroxylation of most GEP/GDP triplets, together with fewer other residue positions along collagen α chains, in the tendon. This regulation is mostly conserved in two distant homeotherm species, mouse and chicken. The comparison of detailed P4H patterns in both species suggests a two-step mechanism of specificity. P4ha2 expression is low in tendon and its genetic invalidation in the ATDC5 cellular model of collagen assembly specifically mimics the tendon-related P4H profile. Therefore, P4HA2 has a better ability than other P4HAs to hydroxylate the corresponding residue positions. Its local expression participates in determining the P4H profile, a novel aspect of the tissue specificities of collagen assembly. Data availability: Proteomics data are available via ProteomeXchange with the identifier PXD039221. Reviewer account details.
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Affiliation(s)
- Dafné Wilhelm
- Université de Lorraine, CNRS, IMoPA, UMR 7365, F-54000 Nancy, France
| | - Alison Wurtz
- Université de Lorraine, CNRS, IMoPA, UMR 7365, F-54000 Nancy, France
| | | | - Guillaume Sanchez
- Université de Lorraine, CNRS, IMoPA, UMR 7365, F-54000 Nancy, France
| | - Catherine Bui
- Université de Lorraine, CNRS, IMoPA, UMR 7365, F-54000 Nancy, France
| | - Jean-Baptiste Vincourt
- Université de Lorraine, CNRS, IMoPA, UMR 7365, F-54000 Nancy, France.; Proteomics core facility of the University of Lorraine, CNRS, INSERM, IBSLor, UMS2008/US40, F-54000 Nancy, France..
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3
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Swierkowska J, Vishweswaraiah S, Mrugacz M, Radhakrishna U, Gajecka M. Differential methylation of microRNA encoding genes may contribute to high myopia. Front Genet 2023; 13:1089784. [PMID: 36685896 PMCID: PMC9847511 DOI: 10.3389/fgene.2022.1089784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 12/08/2022] [Indexed: 01/05/2023] Open
Abstract
Introduction: High myopia (HM), an eye disorder with a refractive error ≤-6.0 diopters, has multifactorial etiology with environmental and genetic factors involved. Recent studies confirm the impact of alterations in DNA methylation and microRNAs (miRNAs) on myopia. Here, we studied the combined aspects evaluating to the role of methylation of miRNA encoding genes in HM. Materials and Methods: From the genome-wide DNA methylation data of 18 Polish children with HM and 18 matched controls, we retrieved differentially methylated CG dinucleotides localized in miRNA encoding genes. Putative target genes of the highest-ranked miRNAs were obtained from the miRDB and included in overrepresentation analyses in the ConsensusPathDB. Expression of target genes was assessed using the RNA sequencing data of retinal ARPE-19 cell line. Results: We identified differential methylation of CG dinucleotides in promoter regions of MIR3621, MIR34C, MIR423 (increased methylation level), and MIR1178, MIRLET7A2, MIR885, MIR548I3, MIR6854, MIR675, MIRLET7C, MIR99A (decreased methylation level) genes. Several targets of these miRNAs, e.g. GNAS, TRAM1, CTNNB1, EIF4B, TENM3 and RUNX were previously associated with myopia/HM/refractive error in Europeans in genome-wide association studies. Overrepresentation analyses of miRNAs' targets revealed enrichment in pathways/processes related to eye structure/function, such as axon guidance, transcription, focal adhesion, and signaling pathways of TGF-β, insulin, MAPK and EGF-EGFR. Conclusion: Differential methylation of indicated miRNA encoding genes might influence their expression and contribute to HM pathogenesis via disrupted regulation of transcription of miRNAs' target genes. Methylation of genes encoding miRNAs may be a new direction in research on both the mechanisms determining HM and non-invasive indicators in diagnostics.
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Affiliation(s)
| | - Sangeetha Vishweswaraiah
- Department of Obstetrics and Gynecology, Oakland University William Beaumont School of Medicine, Royal Oak, MI, United States
| | - Malgorzata Mrugacz
- Department of Ophthalmology and Eye Rehabilitation, Medical University of Bialystok, Bialystok, Poland
| | - Uppala Radhakrishna
- Department of Obstetrics and Gynecology, Oakland University William Beaumont School of Medicine, Royal Oak, MI, United States
| | - Marzena Gajecka
- Institute of Human Genetics, Polish Academy of Sciences, Poznan, Poland,Chair and Department of Genetics and Pharmaceutical Microbiology, Poznan University of Medical Sciences, Poznan, Poland,*Correspondence: Marzena Gajecka,
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You J, Ma S, Zhang H, Chen L. Generation of a homozygous P4HA2 knockout human embryonic stem cell line (FDCHDPe012-A) by CRISPR/Cas9 system. Stem Cell Res 2022; 64:102930. [DOI: 10.1016/j.scr.2022.102930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/21/2022] [Accepted: 09/28/2022] [Indexed: 10/14/2022] Open
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Tolonen J, Salo AM, Finnilä M, Aro E, Karjalainen E, Ronkainen V, Drushinin K, Merceron C, Izzi V, Schipani E, Myllyharju J. Reduced bone mass in collagen prolyl 4‐hydroxylase
P4ha1
+/‐
;
P4ha2
‐/‐
compound mutant mice. JBMR Plus 2022; 6:e10630. [PMID: 35720665 PMCID: PMC9189910 DOI: 10.1002/jbm4.10630] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 04/07/2022] [Accepted: 04/11/2022] [Indexed: 11/07/2022] Open
Abstract
Proper deposition of the extracellular matrix and its major components, the collagens, is essential for endochondral ossification and bone mass accrual. Collagen prolyl 4‐hydroxylases (C‐P4Hs) hydroxylate proline residues in the ‐X‐Pro‐Gly‐ repeats of all known collagen types. Their product, 4‐hydroxyproline, is essential for correct folding and thermal stability of the triple‐helical collagen molecules in physiological body temperatures. We have previously shown that inactivation of the mouse P4ha1 gene, which codes for the catalytic α subunit of the major C‐P4H isoform, is embryonic lethal, whereas inactivation of the P4ha2 gene produced only a minor phenotype. Instead, mice with a haploinsufficiency of the P4ha1 gene combined with a homozygous deletion of the P4ha2 gene present with a moderate chondrodysplasia due to transient cell death of the growth plate chondrocytes. Here, to further characterize the bone phenotype of the P4ha1+/−; P4ha2−/− mice, we have carried out gene expression analyses at whole‐tissue and single‐cell levels, biochemical analyses, microcomputed tomography, histomorphometric analyses, and second harmonic generation microscopy to show that C‐P4H α subunit expression peaks early and that the C‐P4H deficiency leads to reduced collagen amount, a reduced rate of bone formation, and a loss of trabecular and cortical bone volume in the long bones. The total osteoblast number in the proximal P4ha1+/−; P4ha2−/− tibia and the C‐P4H activity in primary P4ha1+/−; P4ha2−/− osteoblasts were reduced, whereas the population of osteoprogenitor colony‐forming unit fibroblasts was increased in the P4ha1+/−; P4ha2−/− marrow. Thus, the P4ha1+/−; P4ha2−/− mouse model recapitulates key aspects of a recently recognized congenital connective tissue disorder with short stature and bone dysplasia caused by biallelic variants of the human P4HA1 gene. Altogether, the data demonstrate the allele dose‐dependent importance of the C‐P4Hs to the developing organism and a threshold effect of C‐P4H activity in the proper production of bone matrix. © 2022 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Jussi‐Pekka Tolonen
- Oulu Center for Cell‐Matrix Research
- Biocenter Oulu
- Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland
| | - Antti M. Salo
- Oulu Center for Cell‐Matrix Research
- Biocenter Oulu
- Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland
| | - Mikko Finnilä
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine University of Oulu Oulu Finland
| | - Ellinoora Aro
- Oulu Center for Cell‐Matrix Research
- Biocenter Oulu
- Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland
| | - Emma Karjalainen
- Oulu Center for Cell‐Matrix Research
- Biocenter Oulu
- Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland
| | | | - Kati Drushinin
- Oulu Center for Cell‐Matrix Research
- Biocenter Oulu
- Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland
| | - Christophe Merceron
- Departments of Orthopaedic Surgery, Medicine, and Cell and Developmental Biology University of Michigan School of Medicine Ann Arbor USA
| | - Valerio Izzi
- Oulu Center for Cell‐Matrix Research
- Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland
- Research Unit of Biomedicine, Faculty of Medicine University of Oulu Oulu Finland
- Finnish Cancer Institute Helsinki Finland
| | - Ernestina Schipani
- Departments of Orthopaedic Surgery, Medicine, and Cell and Developmental Biology University of Michigan School of Medicine Ann Arbor USA
| | - Johanna Myllyharju
- Oulu Center for Cell‐Matrix Research
- Biocenter Oulu
- Faculty of Biochemistry and Molecular Medicine University of Oulu Oulu Finland
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Myopia Genetics and Heredity. CHILDREN 2022; 9:children9030382. [PMID: 35327754 PMCID: PMC8947159 DOI: 10.3390/children9030382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 02/19/2022] [Accepted: 03/03/2022] [Indexed: 11/18/2022]
Abstract
Myopia is the most common eye condition leading to visual impairment and is greatly influenced by genetics. Over the last two decades, more than 400 associated gene loci have been mapped for myopia and refractive errors via family linkage analyses, candidate gene studies, genome-wide association studies (GWAS), and next-generation sequencing (NGS). Lifestyle factors, such as excessive near work and short outdoor time, are the primary external factors affecting myopia onset and progression. Notably, besides becoming a global health issue, myopia is more prevalent and severe among East Asians than among Caucasians, especially individuals of Chinese, Japanese, and Korean ancestry. Myopia, especially high myopia, can be serious in consequences. The etiology of high myopia is complex. Prediction for progression of myopia to high myopia can help with prevention and early interventions. Prediction models are thus warranted for risk stratification. There have been vigorous investigations on molecular genetics and lifestyle factors to establish polygenic risk estimations for myopia. However, genes causing myopia have to be identified in order to shed light on pathogenesis and pathway mechanisms. This report aims to examine current evidence regarding (1) the genetic architecture of myopia; (2) currently associated myopia loci identified from the OMIM database, genetic association studies, and NGS studies; (3) gene-environment interactions; and (4) the prediction of myopia via polygenic risk scores (PRSs). The report also discusses various perspectives on myopia genetics and heredity.
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Yuan XL, Zhang R, Zheng Y, Sun L, Wang G, Chen S, Xu Y, Chen SL, Qiu K, Ng TK. Corneal curvature-associated MTOR variant differentiates mild myopia from high myopia in Han Chinese population. Ophthalmic Genet 2021; 42:446-457. [PMID: 33979260 DOI: 10.1080/13816810.2021.1923035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/27/2021] [Accepted: 04/18/2021] [Indexed: 02/05/2023]
Abstract
BACKGROUND Myopia is the most prevalent ocular disorder in the world, and corneal parameters have been regarded as key ocular biometric parameters determining the refractive status. Here, we aimed to determine the association of genome-wide association study-identified corneal curvature (CC)-related gene variants with different severity of myopia and ocular biometric parameters in Chinese population. METHODS Total 2,101 unrelated Han Chinese subjects were recruited, including 1,649 myopia and 452 control subjects. Five previously reported CC-associated gene variants (PDGFRA, MTOR, WNT7B, CMPK1 and RBP3) were genotyped by TaqMan assay, and their association with different myopia severity and ocular biometric parameters were evaluated. RESULTS Joint additive effect analysis showed that MTOR rs74225573 paired with PDGFRA rs2114039 (P = .009, odds ratio (OR) = 4.91) or CMPK1 rs17103186 (P = .002, OR = 13.03) were significantly associated with higher risk in mild myopia. Critically, mild myopia subjects had significantly higher frequency in MTOR rs74225573 C allele than high myopia subjects (P = .003), especially in male subjects (P = .001, OR = 0.49). High myopia subjects carrying MTOR rs74225573 C allele have significant flatter CC (P = .035) and longer corneal radius (P = .044) than those carrying TT genotype. CONCLUSION This study revealed that male high myopia subjects are more prone to carry CC-related MTOR rs74225573 T allele, whereas mild myopia subjects are prone to carry the C allele. MTOR rs7422573 variant could be a genetic marker to differentiate mild from high myopia in risk assessment. ABBREVIATIONS ACD: anterior chamber depth; AL: axial length; AL/CR: axial length/corneal radius ratio; ANOVA: analysis of variance; CC: corneal curvature; CCT: central corneal thickness; C.I.: confidence interval; CMPK1: cytidine/uridine monophosphate kinase 1; CR: corneal radius; D: diopter; GWAS: genome-wide association studies; HWE: Hardy-Weinberg equilibrium; LT: lens thickness; MIPEP: mitochondrial intermediate peptidase; MTOR: mechanistic target of rapamycin kinase; OR: odds ratio; PDGFRA: platelet-derived growth factor receptor-α; RBP3: retinol-binding protein 3; SD: standard deviation; SE: spherical equivalence; SNTB1: syntrophin beta 1; VCD: vitreous chamber depth; VIPR2: vasoactive intestinal peptide receptor 2; WNT7B: wingless/integrated family member 7B.
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Affiliation(s)
- Xiang-Ling Yuan
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
| | - Riping Zhang
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Yuqian Zheng
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Lixia Sun
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Geng Wang
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Shaowan Chen
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Yanxuan Xu
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Shao-Lang Chen
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Kunliang Qiu
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
| | - Tsz Kin Ng
- Joint Shantou International Eye Center of Shantou University and the Chinese University of Hong Kong, Shantou, Guangdong, China
- Shantou University Medical College, Shantou, Guangdong, China
- Department of Ophthalmology and Visual Sciences, The Chinese University of Hong Kong, Hong Kong, China
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Wu Y, Zhang X, Wang J, Ji R, Zhang L, Qin J, Tian M, Jin G, Zhang X. P4HA2 promotes cell proliferation and migration in glioblastoma. Oncol Lett 2021; 22:601. [PMID: 34188703 PMCID: PMC8228437 DOI: 10.3892/ol.2021.12862] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Accepted: 04/08/2021] [Indexed: 01/05/2023] Open
Abstract
Glioblastoma (GBM) is a primary malignant tumor characterized by high infiltration and angiogenesis in the brain parenchyma. Glioma stem cells (GSCs), a heterogeneous GBM cell type with the potential for self-renewal and differentiation to tumor cells, are responsible for the high malignancy of GBM. The purpose of the present study was to investigate the roles of significantly differentially expressed genes between GSCs and GBM cells in GBM progression. The gene profiles GSE74304 and GSE124145, containing 10 GSC samples and 12 GBM samples in total, were obtained from the Gene Expression Omnibus (GEO) database. The overlapping differentially expressed genes were identified with GEO2R tools and Venn software online. Subsequently, Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis was performed on the 41 upregulated and 142 downregulated differentially expressed genes in GSCs compared with in GBM cells via the DAVID website. Protein-protein interaction and module analyses in Cytoscape with the STRING database revealed 21 hub genes that were downregulated in GSCs compared with in GBM cells. Survival analysis conducted via the GEPIA2 website revealed that low expression levels of the hub genes prolyl 4-hydroxylase subunit α2 (P4HA2), TGF-β induced, integrin subunit α3 and thrombospondin 1 were associated with significantly prolonged survival time in patients with GBM. Further experiments were performed focusing on P4HA2. Reverse transcription-quantitative PCR was used to detect P4HA2 gene expression. In agreement with the bioinformatics analysis, P4HA2 expression was higher in U87 cells than in GSCs. Cell Counting Kit-8, EdU incorporation, cell cycle analysis, wound healing and Transwell assays demonstrated that the cell proliferation and migration increased after P4HA2 overexpression and decreased after P4HA2-knockdown. In conclusion, the present study demonstrated that low P4HA2 expression in GSCs promoted GBM cell proliferation and migration, suggesting that P4HA2 may act as a switch in the transition from GSCs to GBM cells.
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Affiliation(s)
- Yuying Wu
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Xunrui Zhang
- Department of Clinical Medicine, Faculty of Medicine, Xinglin College, Nantong University, Nantong, Jiangsu 226008, P.R. China
| | - Jue Wang
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Ruijie Ji
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China.,Department of Clinical Medicine, Faculty of Medicine, Xinglin College, Nantong University, Nantong, Jiangsu 226008, P.R. China
| | - Lei Zhang
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Jianbing Qin
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Meiling Tian
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Guohua Jin
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China
| | - Xinhua Zhang
- Department of Anatomy, Medical School and Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu 226001, P.R. China
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A Bibliometric and Citation Network Analysis of Myopia Genetics. Genes (Basel) 2021; 12:genes12030447. [PMID: 33801043 PMCID: PMC8003911 DOI: 10.3390/genes12030447] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/08/2021] [Accepted: 03/17/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND To aim of the study was describe the growth of publications on genetic myopia and understand the current research landscape through the analysis of citation networks, as well as determining the different research areas and the most cited publications. METHODS The Web of Science database was used to perform the publication search, looking for the terms "genetic*" AND "myopia" within the period between 2009 and October 2020. The CitNetExplorer and CiteSpace software were then used to conduct the publication analysis. To obtain the graphics, the VOSviewer software was used. RESULTS A total of 721 publications were found with 2999 citations generated within the network. The year 2019 was singled out as a "key year", taking into account the number of publications that emerged in that year and given that in 2019, 200 loci associated with refractive errors and myopia were found, which is considered to be great progress. The most widely cited publication was "Genome-wide meta-analyses of multiancestry cohorts identify multiple new susceptibility loci for refractive error and myopia", an article by Verhoeven et al., which was published in 2013. By using the clustering function, we were able to establish three groups that encompassed the different research areas within this field: heritability rate of myopia and its possible association with environmental factors, retinal syndromes associated with myopia and the genetic factors that control and influence axial growth of the eye. CONCLUSIONS The citation network offers a comprehensive and objective analysis of the main papers that address genetic myopia.
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Variants in FLRT3 and SLC35E2B identified using exome sequencing in seven high myopia families from Central Europe. Adv Med Sci 2021; 66:192-198. [PMID: 33711669 DOI: 10.1016/j.advms.2021.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 02/09/2021] [Accepted: 02/26/2021] [Indexed: 12/28/2022]
Abstract
PURPOSE High myopia (HM) is an eye disorder with both environmental and genetic factors involved. Many genetic factors responsible for HM were recognized worldwide, but little is known about genetic variants underlying HM in Central Europe. Thus, the aim of this study was to identify rare sequence variants involved in HM in families from Central Europe to better understand the genetic basis of HM. MATERIALS AND METHODS We assessed 17 individuals from 7 unrelated Central European families with hereditary HM using exome sequencing (ES). Segregation of selected variants in other available family members was performed using Sanger sequencing. RESULTS Detected 73 rare variants were selected for verification. We observed 2 missense variants, c.938C>T in SLC35E2B - encoding solute carrier family 35 member E2B, and c.1642G>C in FLRT3 - encoding fibronectin leucine rich transmembrane protein, segregating with HM in one family. CONCLUSIONS FLRT3 and/or SLC35E2B could represent disease candidate genes and identified sequence variants might be responsible for HM in the studied family.
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11
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Salo AM, Myllyharju J. Prolyl and lysyl hydroxylases in collagen synthesis. Exp Dermatol 2020; 30:38-49. [PMID: 32969070 DOI: 10.1111/exd.14197] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/10/2020] [Accepted: 09/15/2020] [Indexed: 12/15/2022]
Abstract
Collagens are the most abundant proteins in the extracellular matrix. They provide a framework to build organs and tissues and give structural support to make them resistant to mechanical load and forces. Several intra- and extracellular modifications are needed to make functional collagen molecules, intracellular post-translational modifications of proline and lysine residues having key roles in this. In this article, we provide a review on the enzymes responsible for the proline and lysine modifications, that is collagen prolyl 4-hydroxylases, 3-hydroxylases and lysyl hydroxylases, and discuss their biological functions and involvement in diseases.
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Affiliation(s)
- Antti M Salo
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Johanna Myllyharju
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
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Hopping GC, Somani AN, Vaidyanathan U, Liu H, Barnes JR, Ronquillo YC, Hoopes PC, Moshirfar M. Myopic regression and recurrent Salzmann nodule degeneration after laser in situ keratomileusis in Ehlers Danlos Syndrome. Am J Ophthalmol Case Rep 2020; 19:100729. [PMID: 32426553 PMCID: PMC7225616 DOI: 10.1016/j.ajoc.2020.100729] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 12/18/2019] [Accepted: 04/27/2020] [Indexed: 11/18/2022] Open
Abstract
PURPOSE We describe the first case of Ehlers Danlos Syndrome (EDS) reported in the English language ophthalmic literature to have undergone Laser In Situ Keratomileusis (LASIK) surgery. OBSERVATIONS We review our patient's specific postoperative complications of myopic regression, Salzmann nodular degeneration, and dry eye syndrome, as well as the risks and consequences of performing LASIK on patients with this collagen disorder. CONCLUSIONS AND IMPORTANCE Refractive errors may prompt EDS patients to seek laser vision correction, placing them at increased risk for complications such as myopic regression, keratectasia, and dry eye syndrome. Aberrant wound healing and collagen dysfunction may have influenced our patient's myopic regression and Salzmann nodule degeneration post-LASIK. Currently, EDS is considered a relative contraindication in LASIK due to a presumed higher risk of postoperative keratectasia; however, we believe it is possible that not all forms of EDS need to be an absolute contraindication to LASIK. More research is warranted to determine preoperative risk stratification for laser vision surgery in each subtype of EDS.
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Affiliation(s)
- Grant C. Hopping
- McGovern Medical School at the University of Texas Health Science Center at Houston, 6431 Fannin St, Houston, TX, 77030, USA
| | - Anisha N. Somani
- McGovern Medical School at the University of Texas Health Science Center at Houston, 6431 Fannin St, Houston, TX, 77030, USA
| | - Uma Vaidyanathan
- McGovern Medical School at the University of Texas Health Science Center at Houston, 6431 Fannin St, Houston, TX, 77030, USA
| | - Harry Liu
- McGovern Medical School at the University of Texas Health Science Center at Houston, 6431 Fannin St, Houston, TX, 77030, USA
| | - James R. Barnes
- Virginia Commonwealth University School of Medicine, VCU Medical Center, 1201 E, Marshall St #4-100, Richmond, VA, 23298, USA
| | - Yasmyne C. Ronquillo
- Hoopes Durrie Rivera Research Center, Hoopes Vision; 11820 State St, Draper, UT, 84020, USA
| | - Phillip C. Hoopes
- Hoopes Durrie Rivera Research Center, Hoopes Vision; 11820 State St, Draper, UT, 84020, USA
| | - Majid Moshirfar
- Hoopes Durrie Rivera Research Center, Hoopes Vision; 11820 State St, Draper, UT, 84020, USA
- Utah Lions Eye Bank; 6056 Fashionsquare Drive Suite 200, Murray, UT, 84107, USA
- John A. Moran Eye Center, Department of Ophthalmology and Visual Sciences, University of Utah School of Medicine; 65 Mario Capecchi Drive Salt Lake City, UT, 84132, USA
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Cai XB, Shen SR, Chen DF, Zhang Q, Jin ZB. An overview of myopia genetics. Exp Eye Res 2019; 188:107778. [DOI: 10.1016/j.exer.2019.107778] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 07/27/2019] [Accepted: 08/23/2019] [Indexed: 11/15/2022]
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Tedja MS, Haarman AEG, Meester-Smoor MA, Kaprio J, Mackey DA, Guggenheim JA, Hammond CJ, Verhoeven VJM, Klaver CCW. IMI - Myopia Genetics Report. Invest Ophthalmol Vis Sci 2019; 60:M89-M105. [PMID: 30817828 PMCID: PMC6892384 DOI: 10.1167/iovs.18-25965] [Citation(s) in RCA: 140] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 01/09/2019] [Indexed: 02/07/2023] Open
Abstract
The knowledge on the genetic background of refractive error and myopia has expanded dramatically in the past few years. This white paper aims to provide a concise summary of current genetic findings and defines the direction where development is needed. We performed an extensive literature search and conducted informal discussions with key stakeholders. Specific topics reviewed included common refractive error, any and high myopia, and myopia related to syndromes. To date, almost 200 genetic loci have been identified for refractive error and myopia, and risk variants mostly carry low risk but are highly prevalent in the general population. Several genes for secondary syndromic myopia overlap with those for common myopia. Polygenic risk scores show overrepresentation of high myopia in the higher deciles of risk. Annotated genes have a wide variety of functions, and all retinal layers appear to be sites of expression. The current genetic findings offer a world of new molecules involved in myopiagenesis. As the missing heritability is still large, further genetic advances are needed. This Committee recommends expanding large-scale, in-depth genetic studies using complementary big data analytics, consideration of gene-environment effects by thorough measurement of environmental exposures, and focus on subgroups with extreme phenotypes and high familial occurrence. Functional characterization of associated variants is simultaneously needed to bridge the knowledge gap between sequence variance and consequence for eye growth.
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Affiliation(s)
- Milly S. Tedja
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Annechien E. G. Haarman
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Magda A. Meester-Smoor
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Jaakko Kaprio
- Institute for Molecular Medicine, University of Helsinki, Helsinki, Finland
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - David A. Mackey
- Centre for Eye Research Australia, Ophthalmology, Department of Surgery, University of Melbourne, Royal Victorian Eye and Ear Hospital, Melbourne, Victoria, Australia
- Department of Ophthalmology, Menzies Institute of Medical Research, University of Tasmania, Hobart, Tasmania, Australia
- Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Perth, Western Australia, Australia
| | - Jeremy A. Guggenheim
- School of Optometry and Vision Sciences, Cardiff University, Cardiff, United Kingdom
| | - Christopher J. Hammond
- Section of Academic Ophthalmology, School of Life Course Sciences, King's College London, London, United Kingdom
| | - Virginie J. M. Verhoeven
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Caroline C. W. Klaver
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - for the CREAM Consortium
- Department of Ophthalmology, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Epidemiology, Erasmus Medical Center, Rotterdam, the Netherlands
- Institute for Molecular Medicine, University of Helsinki, Helsinki, Finland
- Department of Public Health, University of Helsinki, Helsinki, Finland
- Centre for Eye Research Australia, Ophthalmology, Department of Surgery, University of Melbourne, Royal Victorian Eye and Ear Hospital, Melbourne, Victoria, Australia
- Department of Ophthalmology, Menzies Institute of Medical Research, University of Tasmania, Hobart, Tasmania, Australia
- Centre for Ophthalmology and Visual Science, Lions Eye Institute, University of Western Australia, Perth, Western Australia, Australia
- School of Optometry and Vision Sciences, Cardiff University, Cardiff, United Kingdom
- Section of Academic Ophthalmology, School of Life Course Sciences, King's College London, London, United Kingdom
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, the Netherlands
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands
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Napolitano F, Di Iorio V, Di Iorio G, Melone MAB, Gianfrancesco F, Simonelli F, Esposito T, Testa F, Sampaolo S. Early posterior vitreous detachment is associated with LAMA5 dominant mutation. Ophthalmic Genet 2018; 40:39-42. [PMID: 30589377 DOI: 10.1080/13816810.2018.1558261] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
BACKGROUND Extracellular matrix molecular components, previously linked to multisystem syndromes include collagens, fibrillins and laminins. Recently, we described a novel multisystem syndrome caused by the c.9418G>A p.(V3140M) mutation in the laminin alpha-5 (LAMA5) gene, which affects connective tissues of all organs and apparatus in a three generation family. In the same family, we have also reported a myopic trait, which, however, was linked to the Prolyl 4-hydroxylase subunit alpha-2 (P4HA2) gene. Results of investigation on vitreous changes and their pathogenesis are reported in the present study. MATERIALS AND METHODS Nineteen family individuals underwent complete ophthalmic examination including best-corrected visual acuity (BCVA), fundus examination, fundus photography, intraocular pressure measurement, axial length measurement using ocular biometry, Goldmann visual field examination, standard electroretinogram, SD-OCT. Segregation analysis of LAMA5 and P4HA2 mutations was performed in enrolled members. RESULTS The vitreous alterations fully segregated with LAMA5 mutation in both young and adult family members. Slight reduction of retinal thickness and peripheral retinal degeneration in only two patients were reported. CONCLUSIONS In this work we showed that PVD is a common trait of LAMA5 multisystem syndrome, therefore occurring as an age-unrelated trait. We hypothesize that the p.(V3140M) mutation results in a reduction of retinal inner limiting membrane (ILM) stability, leading to a derangement in the macromolecular structure of the vitreous gel, and PVD. Further investigations will be necessary to elucidate the role of wild type and mutated LAMA5 in the pathogenesis of PVD.
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Affiliation(s)
- Filomena Napolitano
- a Neurology Clinic II, Department of Medical Sciences, Surgery, Neurology, Metabolic Diseases and Geriatrics , University of Campania Luigi Vanvitelli , Naples , Italy.,b Institute of Genetics and Biophysics "Adriano Buzzati-Traverso" , National Research Council , Naples , Italy
| | - Valentina Di Iorio
- c Eye Clinic, Multidisciplinary Department of Medical, Surgical and Dental Sciences , University of Campania Luigi Vanvitelli , Naples , Italy
| | - Giuseppe Di Iorio
- a Neurology Clinic II, Department of Medical Sciences, Surgery, Neurology, Metabolic Diseases and Geriatrics , University of Campania Luigi Vanvitelli , Naples , Italy
| | - Mariarosa Anna Beatrice Melone
- a Neurology Clinic II, Department of Medical Sciences, Surgery, Neurology, Metabolic Diseases and Geriatrics , University of Campania Luigi Vanvitelli , Naples , Italy.,d Sbarro Institute for Cancer Research and Molecular Medicine, Department of Biology, Center for Biotechnology, College of Science and Technology , Temple University , Philadelphia , PA , USA
| | - Fernando Gianfrancesco
- b Institute of Genetics and Biophysics "Adriano Buzzati-Traverso" , National Research Council , Naples , Italy
| | - Francesca Simonelli
- c Eye Clinic, Multidisciplinary Department of Medical, Surgical and Dental Sciences , University of Campania Luigi Vanvitelli , Naples , Italy
| | - Teresa Esposito
- b Institute of Genetics and Biophysics "Adriano Buzzati-Traverso" , National Research Council , Naples , Italy.,e IRCCS INM Neuromed , Pozzilli , IS , Italy
| | - Francesco Testa
- c Eye Clinic, Multidisciplinary Department of Medical, Surgical and Dental Sciences , University of Campania Luigi Vanvitelli , Naples , Italy
| | - Simone Sampaolo
- a Neurology Clinic II, Department of Medical Sciences, Surgery, Neurology, Metabolic Diseases and Geriatrics , University of Campania Luigi Vanvitelli , Naples , Italy
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