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Association between RIT2 rs16976358 Polymorphism and Autism Spectrum Disorder in Asian Populations: A Meta-analysis. BIOMED RESEARCH INTERNATIONAL 2023; 2023:8886927. [PMID: 36820223 PMCID: PMC9938773 DOI: 10.1155/2023/8886927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 01/08/2023] [Accepted: 01/30/2023] [Indexed: 02/12/2023]
Abstract
Background Recent studies have shown that Ras-like without CAAX2 (RIT2) polymorphism is a susceptible factor for Parkinson's disease (PD) and autism spectrum disorder (ASD). SNP rs12456492 and rs16976358 show the emerging evidence of increased risk of PD and ASD, respectively. A meta-analysis examining the relationship between rs12456492 and PD was reported, but the association between rs16976358 and ASD has not been investigated. Methods We searched literature from the databases PubMed, Embase, Google Scholar, ScienceDirect, EBSCOhost, OVID, Web of Science, and Wiley up to February 2021. Three studies including 1160 ASD cases and 1367 controls were eventually enrolled in the meta-analysis based on strict inclusion and exclusion criteria. Results All genetics models indicate a significant association between rs16976358 polymorphism and ASD susceptibility (C vs. T: p = 0.001; CC vs. TT: p = 0.001; CT vs. TT: p = 0.009; CC+CT vs. TT: p = 0.001; CC vs. CT+TT: p = 0.001; TT+CC vs. CT: p = 0.013). The results of sensitivity analysis and publication bias of Begg's and Egger's tests were stable in the models of allele (C vs. T), codominant (CC vs. TT), dominant (CC+CT vs. TT), and recessive (CC vs. CT+TT). Conclusions Our meta-analysis exhibits that the allele C, CC, and CT genotyping of rs16976358 suggest the risk for ASD, but additional studies using a large sample size and ethnically diverse populations need to be included in the future.
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Liu TW, Wu YR, Chen YC, Fung HC, Chen CM. Association of RIT2 and RAB7L1 with Parkinson's disease: a case-control study in a Taiwanese cohort and a meta-analysis in Asian populations. Neurobiol Aging 2019; 87:140.e5-140.e11. [PMID: 31818509 DOI: 10.1016/j.neurobiolaging.2019.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 11/02/2019] [Accepted: 11/02/2019] [Indexed: 01/18/2023]
Abstract
Several genome-wide association studies and meta-analyses on Parkinson's disease (PD)-related genes have identified several risk foci in Ras-related genes, particularly among Caucasian individuals. However, the corresponding results have been controversial among Asian individuals. We investigated whether 2 single-nucleotide polymorphisms of Ras-related genes, RIT2 (rs12456492) and RAB7L1 (rs823118), are associated with PD risk in Taiwanese individuals. In addition, we conducted a meta-analysis of all studies related to rs12456492 in Asian populations to resolve inconsistency in this locus. In total, 1103 Taiwanese individuals (588 patients with PD and 515 controls) and 1111 Taiwanese individuals (594 patients with PD and 517 controls) were genotyped for rs12456492 and rs823118. However, we could not confirm the association of rs12456492 and rs823118 with PD. Our current meta-analysis involving the rs12456492(A/G) variant demonstrated that the GG + GA genotypes, GG genotypes, and G allele may be risk factors for PD. RIT2 may increase PD risk in Asian individuals. The discrepancies between Caucasian and Asian populations may be due to differences in geographic region-specific genetic backgrounds and gene-environmental interactions.
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Affiliation(s)
- Tsai-Wei Liu
- Department of Neurology, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Yih-Ru Wu
- Department of Neurology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Department of Neurology, Chang Gung University, College of Medicine, Taoyuan, Taiwan
| | - Yi-Chun Chen
- Department of Neurology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Department of Neurology, Chang Gung University, College of Medicine, Taoyuan, Taiwan
| | - Hon Chung Fung
- Department of Neurology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Department of Neurology, Chang Gung University, College of Medicine, Taoyuan, Taiwan
| | - Chiung-Mei Chen
- Department of Neurology, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Department of Neurology, Chang Gung University, College of Medicine, Taoyuan, Taiwan.
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Uenaka T, Satake W, Cha PC, Hayakawa H, Baba K, Jiang S, Kobayashi K, Kanagawa M, Okada Y, Mochizuki H, Toda T. In silico drug screening by using genome-wide association study data repurposed dabrafenib, an anti-melanoma drug, for Parkinson's disease. Hum Mol Genet 2019; 27:3974-3985. [PMID: 30137437 PMCID: PMC6216208 DOI: 10.1093/hmg/ddy279] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 07/17/2018] [Indexed: 12/21/2022] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized by dopaminergic neuron loss. At present, there are no drugs that stop the progression of PD. As with other multifactorial genetic disorders, genome-wide association studies (GWASs) found multiple risk loci for PD, although their clinical significance remains uncertain. Here, we report the identification of candidate drugs for PD by a method using GWAS data and in silico databases. We identified 57 Food and Drug Administration-approved drug families as candidate neuroprotective drugs for PD. Among them, dabrafenib, which is known as a B-Raf kinase inhibitor and is approved for the treatment of malignant melanoma, showed remarkable cytoprotective effects in neurotoxin-treated SH-SY5Y cells and mice. Dabrafenib was found to inhibit apoptosis, and to enhance the phosphorylation of extracellular signal-regulated kinase (ERK), and inhibit the phosphorylation of c-Jun NH2-terminal kinase. Dabrafenib targets B-Raf, and we confirmed a protein-protein interaction between B-Raf and Rit2, which is coded by RIT2, a PD risk gene in Asians and Caucasians. In RIT2-knockout cells, the phosphorylation of ERK was reduced, and dabrafenib treatment improved the ERK phosphorylation. These data indicated that dabrafenib exerts protective effects against neurotoxicity associated with PD. By using animal model, we confirmed the effectiveness of this in silico screening method. Furthermore, our results suggest that this in silico drug screening system is useful in not only neurodegenerative diseases but also other common diseases such as diabetes mellitus and hypertension.
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Affiliation(s)
- Takeshi Uenaka
- Division of Neurology/Molecular Brain Science, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Wataru Satake
- Division of Neurology/Molecular Brain Science, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Pei-Chieng Cha
- Division of Neurology/Molecular Brain Science, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Hideki Hayakawa
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Kousuke Baba
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Shiying Jiang
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Kazuhiro Kobayashi
- Division of Neurology/Molecular Brain Science, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Motoi Kanagawa
- Division of Neurology/Molecular Brain Science, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Yukinori Okada
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Osaka, Japan.,Laboratory of Statistical Immunology, Immunology Frontier Research Center (WPI-IFReC), Osaka University, Suita, Osaka, Japan
| | - Hideki Mochizuki
- Department of Neurology, Osaka University Graduate School of Medicine, Suita, Osaka, Japan
| | - Tatsushi Toda
- Division of Neurology/Molecular Brain Science, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan.,Department of Neurology, Graduate School of Medicine, The University of Tokyo, Bunkyo, Tokyo, Japan
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Daneshmandpour Y, Darvish H, Emamalizadeh B. RIT2: responsible and susceptible gene for neurological and psychiatric disorders. Mol Genet Genomics 2018; 293:785-792. [DOI: 10.1007/s00438-018-1451-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 05/28/2018] [Indexed: 01/19/2023]
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Hamedani SY, Gharesouran J, Noroozi R, Sayad A, Omrani MD, Mir A, Afjeh SSA, Toghi M, Manoochehrabadi S, Ghafouri-Fard S, Taheri M. Ras-like without CAAX 2 (RIT2): a susceptibility gene for autism spectrum disorder. Metab Brain Dis 2017; 32:751-755. [PMID: 28190241 DOI: 10.1007/s11011-017-9969-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Accepted: 02/07/2017] [Indexed: 12/14/2022]
Abstract
Ras-like without CAAX2 (RIT2) which encodes a GTP-binding protein has recently been reported as a new susceptibility gene for Autism Spectrum Disorders (ASD) in a genome-wide association study. Since the gene is suggested to be involved in the pathogenesis of different neurological diseases, we investigated the association of two single nucleotide polymorphisms (SNP) rs16976358 and rs4130047 of this gene with ASD in Iranian patients. A total of 1004 individuals, comprising 532 ASD cases and 472 healthy subjects participated in this study. Allele frequency analyses showed significant over-presentation of rs16976358-C allele in cases versus controls (P < 0.0001). In addition, rs16976358 CC genotype (OR (95% CI) =3.57(1.72-7.69) and P < 0.0001) and rs4130047 CC genotype (OR (95% CI) =0.64(0.43-0.97) and P = 0.035) were associated with ASD in recessive inheritance model. Besides, haplotype analysis demonstrated an association between the C/T haplotype block (rs16976358/rs4130047) and ASD (OR (95%CI) = 0.44 (0.31-0.62), P < 0.0001). Altogether, our findings provided additional confirmation for the RIT2 gene participation in ASD risk and suggested the rs16976358 variant as a possible genetic risk factor for this disorder.
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Affiliation(s)
| | - Jalal Gharesouran
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran
- Department of Medical Genetics, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Rezvan Noroozi
- Young Researchers and Elite Club, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran
| | - Arezou Sayad
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran
| | - Mir Davood Omrani
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Atefeh Mir
- Department of Biology, Faculty of Sciences, University of Sistan and Balouchestan, Zahedan, Iran
| | - Sarah Sadat Aghabozrg Afjeh
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran
| | - Mehdi Toghi
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran
| | - Saba Manoochehrabadi
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran
| | - Soudeh Ghafouri-Fard
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran
| | - Mohammad Taheri
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, 8th Floor, SBUMS Bldg., Next to Ayatollah Taleghani Hospital, Evin, Tehran, 198396-3113, Iran.
- Urogenital Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Li JY, Zhang JH, Li NN, Wang L, Lu ZJ, Cheng L, Sun XY, Peng R. Genetic association study between RIT2 and Parkinson’s disease in a Han Chinese population. Neurol Sci 2016; 38:343-347. [DOI: 10.1007/s10072-016-2784-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 11/23/2016] [Indexed: 01/04/2023]
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Emamalizadeh B, Jamshidi J, Movafagh A, Ohadi M, khaniani MS, Kazeminasab S, Biglarian A, Taghavi S, Motallebi M, Fazeli A, Ahmadifard A, Shahidi GA, Petramfar P, Shahmohammadibeni N, Dadkhah T, Khademi E, Tafakhori A, Khaligh A, Safaralizadeh T, Kowsari A, Mirabzadeh A, Zarneh AES, Khorrami M, Shokraeian P, Banavandi MJS, Lima BS, Andarva M, Alehabib E, Atakhorrami M, Darvish H. RIT2 Polymorphisms: Is There a Differential Association? Mol Neurobiol 2016; 54:2234-2240. [DOI: 10.1007/s12035-016-9815-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2015] [Accepted: 02/23/2016] [Indexed: 10/22/2022]
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Genetic association of RIT2 rs12456492 polymorphism and Parkinson's disease susceptibility in Asian populations: a meta-analysis. Sci Rep 2015; 5:13805. [PMID: 26334395 PMCID: PMC4558715 DOI: 10.1038/srep13805] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 08/05/2015] [Indexed: 01/02/2023] Open
Abstract
Recent studies investigating the association of the Ras-like without CAAX 2 (RIT2) polymorphism, rs12456492, with Parkinson’s disease (PD) are controversial. We performed a meta-analysis to study the association between rs12456492 and PD susceptibility in Asian populations. Literature searches of PubMed and Embase were performed up to June 3, 2015, and the strength of the association between rs12456492 and PD was evaluated by odds ratios (OR) and 95% confidence intervals (CI). Four studies conducted between 2013 and 2015, comprising 2017 PD cases and 2010 controls, were included in the meta-analysis. Significant association of rs12456492 with PD was found in the dominant (GG + AG vs. AA: OR = 1.26, 95% CI = 1.20–1.44, P = 0.00) and additive models (GG vs. AA: OR = 1.38, 95% CI = 1.03–1.83, P = 0.030). Although sensitivity analysis found that the overall result was stable only in the dominant genetic model, a publication bias was also detected. Therefore, the results should be treated with caution. The current meta-analysis suggested that rs12456492 might be associated with increased PD risk in Asian populations, but studies using larger sample sizes and different ethnic populations will be needed to further confirm this association.
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