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Zaki ZMM, Ali SA, Ghazali MM, Jam FA. Genetic Modifications of Developmental Dyslexia and Its Representation Using In Vivo, In Vitro Model. Glob Med Genet 2024; 11:76-85. [PMID: 38414980 PMCID: PMC10898997 DOI: 10.1055/s-0044-1781456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024] Open
Abstract
Dyslexia is a genetic and heritable disorder that has yet to discover the treatment of it, especially at the molecular and drug intervention levels. This review provides an overview of the current findings on the environmental and genetic factors involved in developmental dyslexia. The latest techniques used in diagnosing the disease and macromolecular factors findings may contribute to a higher degree of development in detangling the proper management and treatment for dyslexic individuals. Furthermore, this review tried to put together all the models used in the current dyslexia research for references in future studies that include animal models as well as in vitro models and how the previous research has provided consistent data across many years and regions. Thus, we suggest furthering the studies using an organoid model based on the existing gene polymorphism, pathways, and neuronal function input.
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Affiliation(s)
- Zakiyyah M M Zaki
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | - Siti A Ali
- Department of Electronic Engineering, Faculty of Engineering and Green Technology, Universiti Tunku Abdul Rahman, Kampar, Perak, Malaysia
- Centre for Healthcare Science and Technology, Universiti Tunku Abdul Rahman, Kampar, Perak, Malaysia
| | - Mazira M Ghazali
- Department of Neurosciences, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
- Faculty of Medicine, Universiti Sultan Zainal Abidin, Terengganu, Malaysia
| | - Faidruz A Jam
- Department of Biochemistry, Faculty of Medicine, Manipal University College Malaysia, Melaka, Malaysia
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Zhao J, Yang Q, Cheng C, Wang Z. Cumulative genetic score of KIAA0319 affects reading ability in Chinese children: moderation by parental education and mediation by rapid automatized naming. BEHAVIORAL AND BRAIN FUNCTIONS : BBF 2023; 19:10. [PMID: 37259151 DOI: 10.1186/s12993-023-00212-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 05/19/2023] [Indexed: 06/02/2023]
Abstract
KIAA0319, a well-studied candidate gene, has been shown to be associated with reading ability and developmental dyslexia. In the present study, we investigated whether KIAA0319 affects reading ability by interacting with the parental education level and whether rapid automatized naming (RAN), phonological awareness and morphological awareness mediate the relationship between KIAA0319 and reading ability. A total of 2284 Chinese children from primary school grades 3 and 6 participated in this study. Chinese character reading accuracy and word reading fluency were used as measures of reading abilities. The cumulative genetic risk score (CGS) of 13 SNPs in KIAA0319 was calculated. Results revealed interaction effect between CGS of KIAA0319 and parental education level on reading fluency. The interaction effect suggested that individuals with a low CGS of KIAA0319 were better at reading fluency in a positive environment (higher parental educational level) than individuals with a high CGS. Moreover, the interaction effect coincided with the differential susceptibility model. The results of the multiple mediator model revealed that RAN mediates the impact of the genetic cumulative effect of KIAA0319 on reading abilities. These findings provide evidence that KIAA0319 is a risk vulnerability gene that interacts with environmental factor to impact reading abilities and demonstrate the reliability of RAN as an endophenotype between genes and reading associations.
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Affiliation(s)
- Jingjing Zhao
- School of Psychology, Shaanxi Normal University and Shaanxi Provincial Key Research Center of Child Mental and Behavioral Health, Yanta District, 199 South Chang'an Road, Xi'an, 710062, China.
| | - Qing Yang
- School of Psychology, Shaanxi Normal University and Shaanxi Provincial Key Research Center of Child Mental and Behavioral Health, Yanta District, 199 South Chang'an Road, Xi'an, 710062, China
| | - Chen Cheng
- School of Psychology, Shaanxi Normal University and Shaanxi Provincial Key Research Center of Child Mental and Behavioral Health, Yanta District, 199 South Chang'an Road, Xi'an, 710062, China
| | - Zhengjun Wang
- School of Psychology, Shaanxi Normal University and Shaanxi Provincial Key Research Center of Child Mental and Behavioral Health, Yanta District, 199 South Chang'an Road, Xi'an, 710062, China.
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Mishra S, Sarkar S, Pandey A, Yadav SK, Negi R, Yadav S, Pant AB. Crosstalk Between miRNA and Protein Expression Profiles in Nitrate-Exposed Brain Cells. Mol Neurobiol 2023; 60:3855-3872. [DOI: 10.1007/s12035-023-03316-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 03/09/2023] [Indexed: 03/29/2023]
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KIAA0319 influences cilia length, cell migration and mechanical cell-substrate interaction. Sci Rep 2022; 12:722. [PMID: 35031635 PMCID: PMC8760330 DOI: 10.1038/s41598-021-04539-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Accepted: 12/17/2021] [Indexed: 01/11/2023] Open
Abstract
Following its association with dyslexia in multiple genetic studies, the KIAA0319 gene has been extensively investigated in different animal models but its function in neurodevelopment remains poorly understood. We developed the first human cellular knockout model for KIAA0319 in RPE1 retinal pigment epithelia cells via CRISPR-Cas9n to investigate its role in processes suggested but not confirmed in previous studies, including cilia formation and cell migration. We observed in the KIAA0319 knockout increased cilia length and accelerated cell migration. Using Elastic Resonator Interference Stress Microscopy (ERISM), we detected an increase in cellular force for the knockout cells that was restored by a rescue experiment. Combining ERISM and immunostaining we show that RPE1 cells exert highly dynamic, piconewton vertical pushing forces through actin-rich protrusions that are surrounded by vinculin-rich pulling sites. This protein arrangement and force pattern has previously been associated to podosomes in other cells. KIAA0319 depletion reduces the fraction of cells forming these actin-rich protrusions. Our results suggest an involvement of KIAA0319 in cilia biology and cell-substrate force regulation.
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Tosolini AP, Sleigh JN. Intramuscular Delivery of Gene Therapy for Targeting the Nervous System. Front Mol Neurosci 2020; 13:129. [PMID: 32765219 PMCID: PMC7379875 DOI: 10.3389/fnmol.2020.00129] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 06/26/2020] [Indexed: 12/11/2022] Open
Abstract
Virus-mediated gene therapy has the potential to deliver exogenous genetic material into specific cell types to promote survival and counteract disease. This is particularly enticing for neuronal conditions, as the nervous system is renowned for its intransigence to therapeutic targeting. Administration of gene therapy viruses into skeletal muscle, where distal terminals of motor and sensory neurons reside, has been shown to result in extensive transduction of cells within the spinal cord, brainstem, and sensory ganglia. This route is minimally invasive and therefore clinically relevant for gene therapy targeting to peripheral nerve soma. For successful transgene expression, viruses administered into muscle must undergo a series of processes, including host cell interaction and internalization, intracellular sorting, long-range retrograde axonal transport, endosomal liberation, and nuclear import. In this review article, we outline key characteristics of major gene therapy viruses—adenovirus, adeno-associated virus (AAV), and lentivirus—and summarize the mechanisms regulating important steps in the virus journey from binding at peripheral nerve terminals to nuclear delivery. Additionally, we describe how neuropathology can negatively influence these pathways, and conclude by discussing opportunities to optimize the intramuscular administration route to maximize gene delivery and thus therapeutic potential.
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Affiliation(s)
- Andrew P Tosolini
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom
| | - James N Sleigh
- Department of Neuromuscular Diseases, UCL Queen Square Institute of Neurology, University College London, London, United Kingdom.,UK Dementia Research Institute, University College London, London, United Kingdom
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Gostic M, Martinelli A, Tucker C, Yang Z, Gasparoli F, Ewart JY, Dholakia K, Sillar KT, Tello JA, Paracchini S. The dyslexia susceptibility KIAA0319 gene shows a specific expression pattern during zebrafish development supporting a role beyond neuronal migration. J Comp Neurol 2019; 527:2634-2643. [PMID: 30950042 PMCID: PMC6767054 DOI: 10.1002/cne.24696] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 03/20/2019] [Accepted: 03/29/2019] [Indexed: 01/17/2023]
Abstract
Dyslexia is a common neurodevelopmental disorder caused by a significant genetic component. The KIAA0319 gene is one of the most robust dyslexia susceptibility factors but its function remains poorly understood. Initial RNA-interference studies in rats suggested a role in neuronal migration whereas subsequent work with double knock-out mouse models for both Kiaa0319 and its paralogue Kiaa0319-like reported effects in the auditory system but not in neuronal migration. To further understand the role of KIAA0319 during neurodevelopment, we carried out an expression study of its zebrafish orthologue at different embryonic stages. We used different approaches including RNAscope in situ hybridization combined with light-sheet microscopy. The results show particularly high expression during the first few hours of development. Later, expression becomes localized in well-defined structures. In addition to high expression in the brain, we report for the first time expression in the eyes and the notochord. Surprisingly, kiaa0319-like, which generally shows a similar expression pattern to kiaa0319, was not expressed in the notochord suggesting a distinct role for kiaa0319 in this structure. This observation was supported by the identification of notochord enhancers enriched upstream of the KIAA0319 transcription start site, in both zebrafish and humans. This study supports a developmental role for KIAA0319 in the brain as well as in other developing structures, particularly in the notochord which, is key for establishing body patterning in vertebrates.
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Affiliation(s)
- Monika Gostic
- School of Medicine, University of St Andrews, St Andrews, UK.,Biomedical Sciences Research Complex, University of St Andrews, St Andrews, UK
| | - Angela Martinelli
- School of Medicine, University of St Andrews, St Andrews, UK.,Biomedical Sciences Research Complex, University of St Andrews, St Andrews, UK
| | - Carl Tucker
- College of Medicine and Veterinary Medicine, The University of Edinburgh, Edinburgh, UK
| | - Zhengyi Yang
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK.,School of Psychology and Neuroscience, University of St Andrews, St Andrews, UK
| | | | - Jade-Yi Ewart
- School of Medicine, University of St Andrews, St Andrews, UK.,School of Psychology and Neuroscience, University of St Andrews, St Andrews, UK
| | - Kishan Dholakia
- Biomedical Sciences Research Complex, University of St Andrews, St Andrews, UK.,SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK
| | - Keith T Sillar
- School of Psychology and Neuroscience, University of St Andrews, St Andrews, UK
| | - Javier A Tello
- School of Medicine, University of St Andrews, St Andrews, UK.,Biomedical Sciences Research Complex, University of St Andrews, St Andrews, UK
| | - Silvia Paracchini
- School of Medicine, University of St Andrews, St Andrews, UK.,Biomedical Sciences Research Complex, University of St Andrews, St Andrews, UK
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