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Kikuchi M, Miura K, Morita K, Yamamori H, Fujimoto M, Ikeda M, Yasuda Y, Nakaya A, Hashimoto R. Genome-wide Association Analysis of Eye Movement Dysfunction in Schizophrenia. Sci Rep 2018; 8:12347. [PMID: 30120336 PMCID: PMC6098030 DOI: 10.1038/s41598-018-30646-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Accepted: 08/03/2018] [Indexed: 01/07/2023] Open
Abstract
Eye movements are considered endophenotypes of schizophrenia. However, the genetic factors underlying eye movement are largely unknown. In this study, we explored the susceptibility loci for four eye movement scores: the scanpath length during the free viewing test (SPL), the horizontal position gain during the fast Lissajous paradigm of the smooth pursuit test (HPG), the duration of fixations during the far distractor paradigm of the fixation stability test (DF) and the integrated eye movement score of those three scores (EMS). We found 16 SNPs relevant to the HPG that were located in 3 genomic regions (1q21.3, 7p12.1 and 20q13.12) in the patient group; however, these SNPs were intronic or intergenic SNPs. To determine whether these SNPs occur in functional non-coding regions (i.e., enhancer or promoter regions), we examined the chromatin status on the basis of publicly available epigenomic data from 127 tissues or cell lines. This analysis suggested that the SNPs on 1q21.3 and 20q13.12 are in enhancer or promoter regions. Moreover, we performed an analysis of expression quantitative trait loci (eQTL) in human brain tissues using a public database. Finally, we identified significant eQTL effects for all of the SNPs at 1q21.3 and 20q13.12 in particular brain regions.
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Affiliation(s)
- Masataka Kikuchi
- Department of Genome Informatics, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kenichiro Miura
- Department of Integrative Brain Science, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Kentaro Morita
- Department of Neuropsychiatry, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
| | - Hidenaga Yamamori
- Department of Psychiatry, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Michiko Fujimoto
- Department of Psychiatry, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Masashi Ikeda
- Department of Psychiatry, Fujita Health University School of Medicine, Aichi, Japan
| | - Yuka Yasuda
- Department of Psychiatry, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Akihiro Nakaya
- Department of Genome Informatics, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Ryota Hashimoto
- Department of Psychiatry, Graduate School of Medicine, Osaka University, Osaka, Japan.
- Molecular Research Center for Children's Mental Development, United Graduate School of Child Development, Osaka University, Osaka, Japan.
- Department of Pathology of Mental Diseases, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan.
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Al-Eitan L, Al-Habahbeh S, Alkhatib R. Genetic association analysis of ERBB4 polymorphisms with the risk ofschizophrenia susceptibility in a Jordanian population of Arab descent. Turk J Med Sci 2017; 47:542-553. [PMID: 28425244 DOI: 10.3906/sag-1603-25] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 09/11/2016] [Indexed: 11/03/2022] Open
Abstract
BACKGROUND/AIM The ERBB4 gene encodes a transmembrane tyrosine kinase and is considered to be one of the risk genes of schizophrenia. Although there is evidence of the roles of genes and the environment in the etiology of schizophrenia, a comprehensive biological and genetic background of the disease is still lacking. The aim of this study is to assess whether genetic variation in the human ERBB4 gene is associated with vulnerability to schizophrenia in the Jordanian Arab population. MATERIALS AND METHODS A total of 185 inpatients with schizophrenia participated in this study and 195 healthy genetically homogeneous individuals were also used as controls. Two genetic variants, rs839523 (G/A, intron 2) and rs3748962 (A/G, exon 27), encompassing the ERBB4 gene were genotyped using DNA sequencing. RESULTS The results revealed a strong and statistically significant genetic association of rs839523 with schizophrenia (P = 0.002 for allele and P = 0.006 for genotype). CONCLUSION This study provides strong statistical evidence that there is an association between the ERBB4 gene and schizophrenia in a Jordanian population of Arab descent.
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Affiliation(s)
- Laith Al-Eitan
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid, Jordan.,Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Sahar Al-Habahbeh
- Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
| | - Rami Alkhatib
- Department of Applied Biological Sciences, Jordan University of Science and Technology, Irbid, Jordan.,Department of Biotechnology and Genetic Engineering, Jordan University of Science and Technology, Irbid, Jordan
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Feng Y, Cheng D, Zhang C, Li Y, Zhang Z, Wang J, Feng X. Association between ErbB4 single nucleotide polymorphisms and susceptibility to schizophrenia: A meta-analysis of case-control studies. Medicine (Baltimore) 2017; 96:e5920. [PMID: 28225484 PMCID: PMC5569411 DOI: 10.1097/md.0000000000005920] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND Accumulating studies have reported inconsistent association between ErbB4 single nucleotide polymorphisms (SNPs) and predisposition to schizophrenia. To better interpret this issue, here we conducted a meta-analysis using published case-control studies. METHODS We conducted a systematic search of MEDLINE (Pubmed), Embase (Ovid), Web of Science (Thomson-Reuters) to identify relevant references. The association between ErbB4 SNPs and schizophrenia was assessed by odds ratios (ORs) and 95% confidence intervals (CIs). Between-study heterogeneity was evaluated by I squared (I) statistics and Cochran's Q test. To appraise the stability of results, we employed sensitivity analysis by omitting 1 single study each time. To assess the potential publication bias, we conducted trim and fill analysis. RESULTS Seven studies published in English comprising 3162 cases and 4264 controls were included in this meta-analysis. Meta-analyses showed that rs707284 is statistically significantly associated with schizophrenia susceptibility among Asian and Caucasian populations under the allelic model (OR = 0.91, 95% CI: 0.83-0.99, P = 0.035). Additionally, a marginal association (P < 0.1) was observed between rs707284 and schizophrenia risk among Asian and Caucasian populations under the recessive (OR = 0.85, 95% CI: 0.72-1.01, P = 0.065) and homozygous (OR = 0.84, 95% CI: 0.68-1.03, P = 0.094) models. In the Asian subgroup, rs707284 was also noted to be marginally associated with schizophrenia under the recessive model (OR = 0.84, 95% CI: 0.70-1.00, P = 0.053). However, no statistically significant association was found between rs839523, rs7598440, rs3748962, and rs2371276 and schizophrenia risk. CONCLUSION This meta-analysis suggested that rs707284 may be a potential ErbB4 SNP associated with susceptibility to schizophrenia. Nevertheless, due to the limited sample size in this meta-analysis, more large-scale association studies are still needed to confirm the results.
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Affiliation(s)
- Yanguo Feng
- Department of Psychiatry, Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang
| | - Dejun Cheng
- Department of Psychiatry, Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang
| | - Chaofeng Zhang
- Department of Psychiatry, Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang
| | - Yuchun Li
- Department of Psychiatry, Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang
| | - Zhiying Zhang
- Department of Psychiatry, Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang
| | - Juan Wang
- Department of Psychiatry, Henan Mental Hospital, The Second Affiliated Hospital of Xinxiang Medical University, Xinxiang
| | - Xiao Feng
- School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Schmitt A, Rujescu D, Gawlik M, Hasan A, Hashimoto K, Iceta S, Jarema M, Kambeitz J, Kasper S, Keeser D, Kornhuber J, Koutsouleris N, Lanzenberger R, Malchow B, Saoud M, Spies M, Stöber G, Thibaut F, Riederer P, Falkai P. Consensus paper of the WFSBP Task Force on Biological Markers: Criteria for biomarkers and endophenotypes of schizophrenia part II: Cognition, neuroimaging and genetics. World J Biol Psychiatry 2016; 17:406-28. [PMID: 27311987 DOI: 10.1080/15622975.2016.1183043] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVES Schizophrenia is a group of severe psychiatric disorders with high heritability but only low odds ratios of risk genes. Despite progress in the identification of pathophysiological processes, valid biomarkers of the disease are still lacking. METHODS This comprehensive review summarises recent efforts to identify genetic underpinnings, clinical and cognitive endophenotypes and symptom dimensions of schizophrenia and presents findings from neuroimaging studies with structural, functional and spectroscopy magnetic resonance imaging and positron emission tomography. The potential of findings to be biomarkers of schizophrenia is discussed. RESULTS Recent findings have not resulted in clear biomarkers for schizophrenia. However, we identified several biomarkers that are potential candidates for future research. Among them, copy number variations and links between genetic polymorphisms derived from genome-wide analysis studies, clinical or cognitive phenotypes, multimodal neuroimaging findings including positron emission tomography and magnetic resonance imaging, and the application of multivariate pattern analyses are promising. CONCLUSIONS Future studies should address the effects of treatment and stage of the disease more precisely and apply combinations of biomarker candidates. Although biomarkers for schizophrenia await validation, knowledge on candidate genomic and neuroimaging biomarkers is growing rapidly and research on this topic has the potential to identify psychiatric endophenotypes and in the future increase insight on individual treatment response in schizophrenia.
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Affiliation(s)
- Andrea Schmitt
- a Department of Psychiatry and Psychotherapy , LMU Munich , Germany ;,b Laboratory of Neuroscience (LIM27), Institute of Psychiatry , University of Sao Paulo , Sao Paulo , Brazil
| | - Dan Rujescu
- c Department of Psychiatry, Psychotherapy and Psychosomatics , University of Halle , Germany
| | - Micha Gawlik
- d Department of Psychiatry, Psychotherapy and Psychosomatics , University of Würzburg , Germany
| | - Alkomiet Hasan
- a Department of Psychiatry and Psychotherapy , LMU Munich , Germany
| | - Kenji Hashimoto
- e Division of Clinical Neuroscience , Chiba University Center for Forensic Mental Health , Chiba , Japan
| | - Sylvain Iceta
- f INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, PsyR2 Team , Lyon , F-69000 , France ; Hospices Civils De Lyon, France
| | - Marek Jarema
- g Department of Psychiatry , Institute of Psychiatry and Neurology , Warsaw , Poland
| | - Joseph Kambeitz
- a Department of Psychiatry and Psychotherapy , LMU Munich , Germany
| | - Siegfried Kasper
- h Department of Psychiatry and Psychotherapy , Medical University of Vienna , Austria
| | - Daniel Keeser
- a Department of Psychiatry and Psychotherapy , LMU Munich , Germany
| | - Johannes Kornhuber
- i Department of Psychiatry and Psychotherapy , Friedrich-Alexander-University Erlangen-Nuremberg , Erlangen , Germany
| | | | - Rupert Lanzenberger
- h Department of Psychiatry and Psychotherapy , Medical University of Vienna , Austria
| | - Berend Malchow
- a Department of Psychiatry and Psychotherapy , LMU Munich , Germany
| | - Mohamed Saoud
- f INSERM, U1028; CNRS, UMR5292; Lyon Neuroscience Research Center, PsyR2 Team , Lyon , F-69000 , France ; Hospices Civils De Lyon, France
| | - Marie Spies
- h Department of Psychiatry and Psychotherapy , Medical University of Vienna , Austria
| | - Gerald Stöber
- d Department of Psychiatry, Psychotherapy and Psychosomatics , University of Würzburg , Germany
| | - Florence Thibaut
- j Department of Psychiatry , University Hospital Cochin (Site Tarnier), University of Paris-Descartes, INSERM U 894 Centre Psychiatry and Neurosciences , Paris , France
| | - Peter Riederer
- k Center of Psychic Health; Clinic and Policlinic for Psychiatry, Psychosomatics and Psychotherapy, University Hospital of Wuerzburg , Germany
| | - Peter Falkai
- a Department of Psychiatry and Psychotherapy , LMU Munich , Germany
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Kim LH, Park BL, Cheong HS, Namgoong S, Kim JO, Kim JH, Shin JG, Park CS, Kim BJ, Kim JW, Choi IG, Hwang J, Shin HD, Woo SI. Genome-wide association study with the risk of schizophrenia in a Korean population. Am J Med Genet B Neuropsychiatr Genet 2016; 171B:257-65. [PMID: 26531332 DOI: 10.1002/ajmg.b.32400] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Accepted: 10/23/2015] [Indexed: 11/10/2022]
Abstract
Schizophrenia is regarded as a multifactorial and polygenic brain disorder that is attributed to different combinations of genetic and environmental risk factors. Recently, several genome-wide association studies (GWASs) of schizophrenia have identified numerous risk factors, but the replication results remain controversial and ambiguous. To identify schizophrenia susceptibility loci in the Korean population, we performed a GWAS using the Illumina HumanOmni1-Quad V1.0 Microarray. We genotyped 1,140,419 single nucleotide polymorphisms (SNPs) in 350 Korea schizophrenia patients and 700 control subjects, and approximately 620,001 autosomal SNPs were passed our quality control. In the case-control analysis, the rs9607195 A>G on intergenic area 250 kb away from the ISX gene and the rs12738007 A>G on the intron of the MECR gene were the most strongly associated SNPs with the risk of schizophrenia (P = 6.2 × 10(-8) , OR = 0.50 and P = 3.7 × 10(-7) , OR = 2.39, respectively). In subsequent fine-mapping analysis, 6 SNPs of MECR were genotyped with 310 schizophrenia patients and 604 control subjects. The association of the MECR rs12738007, a top ranked-SNP in GWAS, was replicated (P = 1.5 × 10(-2) , OR = 1.53 in fine mapping analysis, P = 1.5 × 10(-6) , OR = 1.90 in combined analysis). The identification of putative schizophrenia susceptibility loci could provide new insights into genetic factors related with schizophrenia and clues for the development of diagnosis strategies.
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Affiliation(s)
- Lyoung Hyo Kim
- Department of Genetic Epidemiology, SNP Genetics, Inc., Mapo-gu, Seoul, Republic of Korea.,Department of Life Science, Sogang University, Mapo-gu, Seoul, Republic of Korea
| | - Byung Lae Park
- Department of Genetic Epidemiology, SNP Genetics, Inc., Mapo-gu, Seoul, Republic of Korea
| | - Hyun Sub Cheong
- Department of Genetic Epidemiology, SNP Genetics, Inc., Mapo-gu, Seoul, Republic of Korea
| | - Suhg Namgoong
- Department of Genetic Epidemiology, SNP Genetics, Inc., Mapo-gu, Seoul, Republic of Korea.,Department of Life Science, Sogang University, Mapo-gu, Seoul, Republic of Korea
| | - Ji On Kim
- Department of Genetic Epidemiology, SNP Genetics, Inc., Mapo-gu, Seoul, Republic of Korea
| | - Jeong-Hyun Kim
- Department of Life Science, Sogang University, Mapo-gu, Seoul, Republic of Korea
| | - Joong-Gon Shin
- Department of Life Science, Sogang University, Mapo-gu, Seoul, Republic of Korea
| | - Chul Soo Park
- Department of Psychiatry, College of Medicine, Gyeongsang National University, Gyeongsang Nam Do, Republic of Korea
| | - Bong-Jo Kim
- Department of Psychiatry, College of Medicine, Gyeongsang National University, Gyeongsang Nam Do, Republic of Korea
| | - Jae Won Kim
- Division of Life Science, Research Institute of Life Science, Gyeongsang National University, Jinju-ro, Gyeongsang Nam Do, Republic of Korea
| | - Ihn-Geun Choi
- Department of Neuropsychiatry, Hallym University, Han-Gang Sacred Heart Hospital, Yeongdeungpo-gu, Seoul, Republic of Korea
| | - Jaeuk Hwang
- Department of Neuropsychiatry, Soonchunhyang University Hospital, Yongsan-gu, Seoul, Republic of Korea
| | - Hyoung Doo Shin
- Department of Genetic Epidemiology, SNP Genetics, Inc., Mapo-gu, Seoul, Republic of Korea.,Department of Life Science, Sogang University, Mapo-gu, Seoul, Republic of Korea
| | - Sung-Il Woo
- Department of Neuropsychiatry, Soonchunhyang University Hospital, Yongsan-gu, Seoul, Republic of Korea
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Douet V, Chang L, Lee K, Ernst T. ERBB4 polymorphism and family history of psychiatric disorders on age-related cortical changes in healthy children. Brain Imaging Behav 2016; 9:128-40. [PMID: 25744101 DOI: 10.1007/s11682-015-9363-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Genetic variations in ERBB4 were associated with increased susceptibility for schizophrenia (SCZ) and bipolar disorders (BPD). Structural imaging studies showed cortical abnormalities in adolescents and adults with SCZ or BPD. However, less is known about subclinical cortical changes or the influence of ERBB4 on cortical development. 971 healthy children (ages 3-20 years old; 462 girls and 509 boys) were genotyped for the ERBB4-rs7598440 variants, had structural MRI, and cognitive evaluation (NIH Toolbox ®). We investigated the effects of ERBB4 variants and family history of SCZ and/or BPD (FH) on cortical measures and cognitive performances across ages 3-20 years using a general additive model. Variations in ERBB4 and FH impact differentially the age-related cortical changes in regions often affected by SCZ and BPD. The ERBB4-TT-risk genotype children with no FH had subtle cortical changes across the age span, primarily located in the left temporal lobe and superior parietal cortex. In contrast, the TT-risk genotype children with FH had more pronounced age-related changes, mainly in the frontal lobes compared to the non-risk genotype children. Interactive effects of age, FH and ERBB4 variations were also found on episodic memory and working memory, which are often impaired in SCZ and BPD. Healthy children carrying the risk-genotype in ERBB4 and/or with FH had cortical measures resembling those reported in SCZ or BPD. These subclinical cortical variations may provide early indicators for increased risk of psychiatric disorders and improve our understanding of the effect of the NRG1-ERBB4 pathway on brain development.
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Affiliation(s)
- Vanessa Douet
- Department of Medicine, John A. Burns School of Medicine, University of Hawaii and The Queen's Medical Center, 1356 Lusitana Street, UH Tower, Room 716, Honolulu, HI, 96813, USA,
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Ma Y, Li J, Yu H, Wang L, Lu T, Pan C, Han Y, Zhang D, Yue W. Association of chromosome 5q21.3 polymorphisms with the exploratory eye movement dysfunction in schizophrenia. Sci Rep 2015; 5:10299. [PMID: 26242244 PMCID: PMC4533163 DOI: 10.1038/srep10299] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 04/07/2015] [Indexed: 11/09/2022] Open
Abstract
Schizophrenia patients show abnormalities in many eye movement tasks. Among them, exploratory eye movements (EEM) dysfunction seems to be specific to schizophrenia. However the mechanism of EEM disturbances in schizophrenia patients remains elusive. We investigate the relationship between EEM and single nucleotide polymorphisms (SNPs) or genes to identify susceptibility loci for EEM in schizophrenia. We firstly performed EEM test, then performed a genome-wide association study (GWAS) and gene-based association study of EEM in 128 individuals with schizophrenia and 143 healthy control subjects. Comparing to healthy controls, schizophrenia patients show significant decrease in NEF (22.99 ± 3.96 vs. 26.02 ± 5.72, P <0.001), TESL (368.78 ± 123.57 vs. 603.12 ± 178.63, P <0.001), MESL (16.86 ± 5.27 vs. 24.42 ± 6.46, P <0.001), RSS (8.22 ± 1.56 vs. 10.92 ± 1.09, P <0.001), and CSS (5.06 ± 0.97 vs. 6.64 ± 0.87, P <0.001). Five SNPs of the MAN2A1, at 5q21.3, were associated with EEM abnormalities (deceased CSS) and satisfied the criteria of GWAS significance threshold. One is localized near 5'-UTR (rs17450784) and four are in intron (rs1438663, rs17162094, rs6877440 and rs10067856) of the gene. Our findings suggest that the identified loci may control the schizophrenia-related quantitative EEM trait. And the identified gene, associated with the EEM phenotype, may lead to new insights into the etiology of schizophrenia.
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Affiliation(s)
- Yuanlin Ma
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Jun Li
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Hao Yu
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China [3] School of Life Sciences, Tsinghua University, Beijing 100084, China [4] Peking University-Tsinghua University Joint Center for Life Sciences, Beijing 100871, China
| | - Lifang Wang
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Tianlan Lu
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Chao Pan
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Yonghua Han
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
| | - Dai Zhang
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China [3] School of Life Sciences, Tsinghua University, Beijing 100084, China [4] Peking University-Tsinghua University Joint Center for Life Sciences, Beijing 100871, China [5] PKU-IDG/McGovern Institute for Brain Research, Peking University, Beijing, China
| | - Weihua Yue
- 1] Institute of Mental Health, The Sixth Hospital, Peking University, Beijing 100191, China [2] Key Laboratory of Mental Health, Ministry of Health (Peking University), Beijing, 100191, China
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8
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Jajodia A, Kaur H, Kumari K, Gupta M, Baghel R, Srivastava A, Sood M, Chadda RK, Jain S, Kukreti R. Evidence for schizophrenia susceptibility alleles in the Indian population: An association of neurodevelopmental genes in case-control and familial samples. Schizophr Res 2015; 162:112-7. [PMID: 25579050 DOI: 10.1016/j.schres.2014.12.031] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2014] [Revised: 11/26/2014] [Accepted: 12/21/2014] [Indexed: 02/05/2023]
Abstract
Schizophrenia is a severe psychiatric disorder with lifetime prevalence of ~1% worldwide. A genotyping study was conducted using a custom panel of Illumina 1536 SNPs in 840 schizophrenia cases and 876 controls (351 patients and 385 controls from North India; and 436 patients, 401 controls and 143 familial samples with 53 probands containing 37 complete and 16 incomplete trios from South India). Meta-analysis of this population of Indo-European and Dravidian ancestry identified three strongly associated variants with schizophrenia: STT3A (rs548181, p=1.47×10(-5)), NRG1 (rs17603876, p=8.66×10(-5)) and GRM7 (rs3864075, p=4.06×10(-3)). Finally, a meta-analysis was conducted comparing our data with data from the Schizophrenia Psychiatric Genome-Wide Association Study Consortium (PGC-SCZ) that supported rs548181 (p=1.39×10(-7)). In addition, combined analysis of sporadic case-control association and a transmission disequilibrium test in familial samples from South Indian population identified three associations: rs1062613 (p=3.12×10(-3)), a functional promoter variant of HTR3A; rs6710782 (p=3.50×10(-3)), an intronic variant of ERBB4; and rs891903 (p=1.05×10(-2)), an intronic variant of EBF1. The results support the risk variants observed in the earlier published work and suggest a potential role of neurodevelopmental genes in the schizophrenia pathogenesis.
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Affiliation(s)
- Ajay Jajodia
- Genomics and Molecular Medicine, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Harpreet Kaur
- Genomics and Molecular Medicine, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Kalpana Kumari
- Department of Psychiatry, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Meenal Gupta
- Genomics and Molecular Medicine, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Ruchi Baghel
- Genomics and Molecular Medicine, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Ankit Srivastava
- Genomics and Molecular Medicine, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India
| | - Mamta Sood
- Department of Psychiatry, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Rakesh Kumar Chadda
- Department of Psychiatry, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India
| | - Sanjeev Jain
- Molecular Genetic Laboratory, Department of Psychiatry, National Institute of Mental Health and Neuro Sciences, Hosur Road, Bengaluru 560029, India
| | - Ritushree Kukreti
- Genomics and Molecular Medicine, CSIR-Institute of Genomics and Integrative Biology, Mall Road, Delhi 110007, India.
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DNA methylation patterns of protein coding genes and long noncoding RNAs in female schizophrenic patients. Eur J Med Genet 2015; 58:95-104. [DOI: 10.1016/j.ejmg.2014.12.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 12/04/2014] [Indexed: 12/11/2022]
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10
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Güell F. Pre-dispositional constitution and plastic disposition: toward a more adequate descriptive framework for the notions of habits, learning and plasticity. Front Hum Neurosci 2014; 8:341. [PMID: 24904379 PMCID: PMC4034147 DOI: 10.3389/fnhum.2014.00341] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Accepted: 05/05/2014] [Indexed: 01/23/2023] Open
Affiliation(s)
- Francisco Güell
- Mind-Brain Group, Institute for Culture and Society, Universidad de Navarra Pamplona, Spain
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11
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Type III neuregulin 1 is required for multiple forms of excitatory synaptic plasticity of mouse cortico-amygdala circuits. J Neurosci 2013; 33:9655-66. [PMID: 23739962 DOI: 10.1523/jneurosci.2888-12.2013] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The amygdala plays an important role in the formation and storage of memories associated with emotional events. The cortical glutamatergic inputs onto pyramidal neurons in the basolateral nucleus of the amygdala (BLA) contribute to this process. As the interaction between neuregulin 1 (Nrg1) and its ErbB receptors has been implicated in the pathological mechanisms of schizophrenia, loss of Nrg1 may disrupt cortical-amygdala neural circuits, resulting in altered processing of salient memories. Here we show that Nrg1 is critical in multiple forms of plasticity of cortical projections to pyramidal neurons of the BLA. The miniature EPSCs in Nrg1 heterozygous animals have a faster time constant of decay and evoked synaptic currents have a smaller NMDA/AMPA ratio than those recorded in wild-type (WT) littermates. Both high-frequency electrical stimulation of cortical inputs and θ burst stimulation combined with nicotine exposure results in long-lasting potentiation in WT animals. However, the same manipulations have little to no effect on glutamatergic synaptic plasticity in the BLA from Nrg1 heterozygous mice. Comparison of WT, Nrg1 heterozygous animals and α7 nicotinic receptor heterozygous mice reveals that the sustained phase of potentiation of glutamatergic transmission after θ burst stimulation with or without nicotine only occurs in the WT mice. Together, these findings support the idea that type III Nrg1 is essential to multiple aspects of the modulation of excitatory plasticity at cortical-BLA synapses.
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