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Trevisano RG, Matias H, de Jesus Teani T, Silvino VO, Ferreira CP, Dos Santos MAP, Braga PLG, Almeida SS. The frequency of the ACE I/D polymorphism in South America: a systematic review and meta-analysis. Mol Cell Biochem 2024:10.1007/s11010-023-04923-9. [PMID: 38310174 DOI: 10.1007/s11010-023-04923-9] [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: 08/02/2023] [Accepted: 12/26/2023] [Indexed: 02/05/2024]
Abstract
Angiotensin-converting enzyme (ACE) is a key component of the renin-angiotensin system and plays an important role in homeostasis and maintenance of blood pressure. However, little is known about allele and genotypic frequencies, as well as phenotypic characteristics associated with ACE polymorphism genotypes in South American populations. This study aimed to verify the allelic predominance and genotype frequency of ACE I/D polymorphism in South America and its association with the main diseases and related conditions. We conducted a systematic review considering studies published in the last 25 years available in PubMed, Scielo, LILACS, LIPECS, Coleciona SUS, CUMED, BINACIS, IBECS, and MEDLINE databases, resulting in the inclusion of 121 studies. Quality of the studies was assessed according to the Strengthening the Reporting of Genetic Association (STREGA) guidelines. We mapped the frequency of the ACE I/D polymorphism in South American populations. 8,856 (32.1%) subjects were DD, 13,050 were ID (47.4%), and 5,644 were II (20.5%) carriers. The main associated conditions included systemic arterial hypertension and other cardiovascular conditions, cardiorespiratory or respiratory characteristics, physical activity level, kidney conditions, aging-related diseases, as well as different types of cancers and metabolic conditions. 61.1% of the studies found no significant association between the respective conditions investigated and the ACE I/D polymorphism. Considering DD genotype or D allele, 21.5% of the studies observed negative and 4.9% positive outcomes. Regarding ID genotype, 4.1% of the studies identified negative and 0.8% positive outcomes, and for II genotype or I allele, 4.1% of the results had negative and 10.7% positive associations.
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Affiliation(s)
- Rebeca Gonçalves Trevisano
- Department of Obstetrician, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | - Helen Matias
- Department of Obstetrician, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil
| | | | - Valmir Oliveira Silvino
- Department of Biophysics and Physiology, Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Federal University of Piaui, Teresina, Brazil
- Rede Nordeste de Biotecnologia (RENORBIO) post-graduation program, Teresina, Brazil
| | - Cirley Pinheiro Ferreira
- Department of Biophysics and Physiology, Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Federal University of Piaui, Teresina, Brazil
- Rede Nordeste de Biotecnologia (RENORBIO) post-graduation program, Teresina, Brazil
| | - Marcos Antonio Pereira Dos Santos
- Department of Biophysics and Physiology, Nucleus of Study in Physiology Applied to Performance and Health (NEFADS), Federal University of Piaui, Teresina, Brazil
- Rede Nordeste de Biotecnologia (RENORBIO) post-graduation program, Teresina, Brazil
| | | | - Sandro Soares Almeida
- Department of Obstetrician, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, SP, Brazil.
- Hospital Israelita Albert Einstein, São Paulo, SP, Brazil.
- Universidade Ibirapuera, São Paulo, SP, Brazil.
- Faculdade Anhanguera de Guarulhos, Guarulhos, SP, Brazil.
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2
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de Miranda AS, Macedo DS, Rocha NP, Teixeira AL. Targeting the Renin-Angiotensin System (RAS) for Neuropsychiatric Disorders. Curr Neuropharmacol 2024; 22:107-122. [PMID: 36173067 DOI: 10.2174/1570159x20666220927093815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/03/2022] [Accepted: 08/14/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Neuropsychiatric disorders, such as mood disorders, schizophrenia, and Alzheimer's disease (AD) and related dementias, are associated to significant morbidity and mortality worldwide. The pathophysiological mechanisms of neuropsychiatric disorders remain to be fully elucidated, which has hampered the development of effective therapies. The Renin Angiotensin System (RAS) is classically viewed as a key regulator of cardiovascular and renal homeostasis. The discovery that RAS components are expressed in the brain pointed out a potential role for this system in central nervous system (CNS) pathologies. The understanding of RAS involvement in the pathogenesis of neuropsychiatric disorders may contribute to identifying novel therapeutic targets. AIMS We aim to report current experimental and clinical evidence on the role of RAS in physiology and pathophysiology of mood disorders, schizophrenia, AD and related dementias. We also aim to discuss bottlenecks and future perspectives that can foster the development of new related therapeutic strategies. CONCLUSION The available evidence supports positive therapeutic effects for neuropsychiatric disorders with the inhibition/antagonism of the ACE/Ang II/AT1 receptor axis or the activation of the ACE2/Ang-(1-7)/Mas receptor axis. Most of this evidence comes from pre-clinical studies and clinical studies lag much behind, hampering a potential translation into clinical practice.
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Affiliation(s)
- Aline Silva de Miranda
- Interdisciplinary Laboratory of Medical Investigation (LIIM), Faculty of Medicine, UFMG, Belo Horizonte, MG, Brazil
- Department of Morphology, Laboratory of Neurobiology, Biological Science Institute, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Danielle S Macedo
- Department of Physiology and Pharmacology, Neuropharmacology Laboratory, Drug Research, and Development Center, Faculty of Medicine, Federal University of Ceara, Fortaleza, CE, Brazil
| | - Natalia P Rocha
- Department of Neurology, The Mitchell Center for Alzheimer's Disease and Related Brain Disorders, McGovern Medical School, University of Texas Health Science Center at Houston, TX, USA
| | - Antonio L Teixeira
- Department of Psychiatry and Behavioral Sciences, Neuropsychiatry Program, McGovern Medical School, University of Texas Health Science Center at Houston, TX, USA
- Faculdade Santa Casa BH, Belo Horizonte, Brasil
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3
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Genetic substrates of bipolar disorder risk in Latino families. Mol Psychiatry 2023; 28:154-167. [PMID: 35948660 DOI: 10.1038/s41380-022-01705-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/22/2022] [Accepted: 07/07/2022] [Indexed: 01/07/2023]
Abstract
Genetic studies of bipolar disorder (BP) have been conducted in the Latin American population, to date, in several countries, including Mexico, the United States, Costa Rica, Colombia, and, to a lesser extent, Brazil. These studies focused primarily on linkage-based designs utilizing families with multiplex cases of BP. Significant BP loci were identified on Chromosomes 18, 5 and 8, and fine mapping suggested several genes of interest underlying these linkage peaks. More recently, studies in these same pedigrees yielded significant linkage loci for BP endophenotypes, including measures of activity, sleep cycles, and personality traits. Building from findings in other populations, candidate gene association analyses in Latinos from Mexican and Central American ancestry confirmed the role of several genes (including CACNA1C and ANK3) in conferring BP risk. Although GWAS, methylation, and deep sequencing studies have only begun in these populations, there is evidence that CNVs and rare SNPs both play a role in BP risk of these populations. Large segments of the Latino populations in the Americas remain largely unstudied regarding BP genetics, but evidence to date has shown that this type of research can be successfully conducted in these populations and that the genetic underpinnings of BP in these cohorts share at least some characteristics with risk genes identified in European and other populations.
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4
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Martinez D, Lavebratt C, Millischer V, de Jesus R. de Paula V, Pires T, Michelon L, Camilo C, Esteban N, Pereira A, Schalling M, Vallada H. Shorter telomere length and suicidal ideation in familial bipolar disorder. PLoS One 2022; 17:e0275999. [PMID: 36469522 PMCID: PMC9721487 DOI: 10.1371/journal.pone.0275999] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 09/27/2022] [Indexed: 12/12/2022] Open
Abstract
Bipolar Disorder (BD) has recently been related to a process of accelerated aging, with shortened leukocyte telomere length (LTL) in this population. It has also been observed that the suicide rate in BD patients is higher than in the general population, and more recently the telomere length variation has been described as shorter in suicide completers compared with control subjects. Objectives The aim of the present study was to investigate if there is an association between LTL and BD in families where two or more members have BD including clinical symptomatology variables, along with suicide behavior. Methods Telomere length and single copy gene ratio (T/S ratio) was measured using quantitative polymerase chain reaction in a sample of 143 relatives from 22 families, of which 60 had BD. The statistical analysis was performed with a polygenic mixed model. Results LTL was associated with suicidal ideation (p = 0.02) as that there is an interaction between suicidal ideation and course of the disorder (p = 0.02). The estimated heritability for LTL in these families was 0.68. In addition, covariates that relate to severity of disease, i.e. suicidal ideation and course of the disorder, showed an association with shorter LTL in BD patients. No difference in LTL between BD patients and healthy relatives was observed. Conclusion LTL are shorter in subjects with familial BD suggesting that stress related sub-phenotypes possibly accelerate the process of cellular aging and correlate with disease severity and suicidal ideation.
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Affiliation(s)
- Daniela Martinez
- Departamento & Instituto de Psiquiatria, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
- Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
- Laboratório de Genética e Cardiologia Molecular, Instituto do Coração, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Catharina Lavebratt
- Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Vincent Millischer
- Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Vanessa de Jesus R. de Paula
- Departamento & Instituto de Psiquiatria, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Thiago Pires
- Laboratório de Genética e Cardiologia Molecular, Instituto do Coração, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Leandro Michelon
- Departamento & Instituto de Psiquiatria, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Caroline Camilo
- Departamento & Instituto de Psiquiatria, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Nubia Esteban
- Laboratório de Genética e Cardiologia Molecular, Instituto do Coração, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Alexandre Pereira
- Laboratório de Genética e Cardiologia Molecular, Instituto do Coração, Faculdade de Medicina FMUSP, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
| | - Martin Schalling
- Departamento & Instituto de Psiquiatria, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
- Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
| | - Homero Vallada
- Departamento & Instituto de Psiquiatria, Faculdade de Medicina, Universidade de Sao Paulo, Sao Paulo, SP, Brazil
- Center for Molecular Medicine, Karolinska University Hospital, Stockholm, Sweden
- Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden
- * E-mail:
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5
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Mohite S, Sanches M, Teixeira AL. Exploring the Evidence Implicating the Renin-Angiotensin System (RAS) in the Physiopathology of Mood Disorders. Protein Pept Lett 2020; 27:449-455. [PMID: 31868144 DOI: 10.2174/0929866527666191223144000] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 09/12/2019] [Accepted: 11/05/2019] [Indexed: 01/01/2023]
Abstract
Mood disorders include Major Depressive Disorder (MDD), Bipolar Disorder (BD) and variations of both. Mood disorders has a public health significance with high comorbidity, suicidal mortality and economic burden on the health system. Research related to mood disorders has evolved over the years to relate it with systemic conditions. The Renin Angiotensin System (RAS) has been noticed to play major physiological roles beyond renal and cardiovascular systems. Recent studies have linked RAS not only with neuro-immunological processes, but also with psychiatric conditions like mood and anxiety disorders. In this comprehensive review, we integrated basic and clinical studies showing the associations between RAS and mood disorders. Animal studies on mood disorders models - either depression or mania - were focused on the reversal of behavioral and/or cognitive symptoms through the inhibition of RAS components like the Angiotensin- Converting Enzyme (ACE), Angiotensin II Type 1 receptor (AT1) or Mas receptors. ACE polymorphisms, namely insertion-deletion (I/D), were linked to mood disorders and suicidal behavior. Hypertension was associated with neurocognitive deficits in mood disorders, which reversed with RAS inhibition. Low levels of RAS components (renin activity or aldosterone) and mood symptoms improvement with ACE inhibitors or AT1 blockers were also observed in mood disorders. Overall, this review reiterates the strong and under-researched connection between RAS and mood disorders.
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Affiliation(s)
- Satyajit Mohite
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center, Houston, TX 77054, United States
| | - Marsal Sanches
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center, Houston, TX 77054, United States
| | - Antonio L Teixeira
- Department of Psychiatry and Behavioral Sciences, McGovern Medical School, University of Texas Health Science Center, Houston, TX 77054, United States
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6
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Barbosa IG, Ferreira GC, Andrade Júnior DF, Januário CR, Belisário AR, Bauer ME, Simões E Silva AC. The Renin Angiotensin System and Bipolar Disorder: A Systematic Review. Protein Pept Lett 2020; 27:520-528. [PMID: 32003654 DOI: 10.2174/0929866527666200127115059] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 09/07/2019] [Accepted: 11/16/2019] [Indexed: 12/27/2022]
Abstract
Bipolar Disorder (BD) is a chronic a multifactorial psychiatric illness that affects mood, cognition, and functioning. BD is associated with several psychiatric conditions as well clinical comorbidities, particularly cardiovascular diseases. The neurobiology of BD is complex and multifactorial and several systems have been implicated. Considering that the Renin Angiotensin System (RAS) plays an important role in cardiovascular diseases and that recently evidence has suggested its role in psychiatric disorders, the aim of the present study is to summarize and to discuss recent findings related to the modulation of RAS components in BD. A systematic search of the literature using the electronic databases MEDLINE and LILACS was conducted through March 2019. The search terms were: "Bipolar Disorder"; "Renin Angiotensin System"; "Angiotensin 2"; "Angiotensin receptors"; "Angiotensin 1-7"; "ACE"; "ACE2"; "Mas Receptor". We included original studies assessing RAS in BD patients. Two hundred twenty-two citations were initially retrieved. Eleven studies were included in our systematic review. In the majority of studies (6 of 8), the ACE insertion/deletion (I/D) polymorphism did not differ between BD patients and controls. BD patients presented higher plasma renin activity in comparison with controls. The studies evaluating the RAS molecules in BD are very scarce and heterogeneous. The literature suggests a potential role of RAS in BD. Further studies are necessary to investigate this relationship.
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Affiliation(s)
- Izabela Guimarães Barbosa
- Interdisciplinary Laboratory of Medical Investigation - Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Giulia Campos Ferreira
- Interdisciplinary Laboratory of Medical Investigation - Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Diomildo Ferreira Andrade Júnior
- Interdisciplinary Laboratory of Medical Investigation - Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Cássio Rocha Januário
- Interdisciplinary Laboratory of Medical Investigation - Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - André Rolim Belisário
- Interdisciplinary Laboratory of Medical Investigation - Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Moises Evandro Bauer
- Laboratory of Immunosenescence, Graduate Program in Biomedical Gerontology, School of Sciences, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.,School of Sciences, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil
| | - Ana Cristina Simões E Silva
- Interdisciplinary Laboratory of Medical Investigation - Faculty of Medicine, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
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7
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Goldstein BI, Baune BT, Bond DJ, Chen P, Eyler L, Fagiolini A, Gomes F, Hajek T, Hatch J, McElroy SL, McIntyre RS, Prieto M, Sylvia LG, Tsai S, Kcomt A, Fiedorowicz JG. Call to action regarding the vascular-bipolar link: A report from the Vascular Task Force of the International Society for Bipolar Disorders. Bipolar Disord 2020; 22:440-460. [PMID: 32356562 PMCID: PMC7522687 DOI: 10.1111/bdi.12921] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECTIVES The association of bipolar disorder with early and excessive cardiovascular disease was identified over a century ago. Nonetheless, the vascular-bipolar link remains underrecognized, particularly with regard to how this link can contribute to our understanding of pathogenesis and treatment. METHODS An international group of experts completed a selective review of the literature, distilling core themes, identifying limitations and gaps in the literature, and highlighting future directions to bridge these gaps. RESULTS The association between bipolar disorder and vascular disease is large in magnitude, consistent across studies, and independent of confounding variables where assessed. The vascular-bipolar link is multifactorial and is difficult to study given the latency between the onset of bipolar disorder, often in adolescence or early adulthood, and subsequent vascular disease, which usually occurs decades later. As a result, studies have often focused on risk factors for vascular disease or intermediate phenotypes, such as structural and functional vascular imaging measures. There is interest in identifying the most relevant mediators of this relationship, including lifestyle (eg, smoking, diet, exercise), medications, and systemic biological mediators (eg, inflammation). Nonetheless, there is a paucity of treatment studies that deliberately engage these mediators, and thus far no treatment studies have focused on engaging vascular imaging targets. CONCLUSIONS Further research focused on the vascular-bipolar link holds promise for gleaning insights regarding the underlying causes of bipolar disorder, identifying novel treatment approaches, and mitigating disparities in cardiovascular outcomes for people with bipolar disorder.
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Affiliation(s)
- Benjamin I. Goldstein
- Centre for Youth Bipolar DisorderSunnybrook Health Sciences CentreTorontoONCanada,Departments of Psychiatry & PharmacologyFaculty of MedicineUniversity of TorontoTorontoONCanada
| | - Bernhard T. Baune
- Department of Psychiatry and PsychotherapyUniversity of MünsterMünsterGermany,Department of PsychiatryMelbourne Medical SchoolThe University of MelbourneMelbourneVICAustralia,The Florey Institute of Neuroscience and Mental HealthThe University of MelbourneParkvilleVICAustralia
| | - David J. Bond
- Department of Psychiatry and Behavioral ScienceUniversity of Minnesota Medical SchoolMinneapolisMNUSA
| | - Pao‐Huan Chen
- Department of PsychiatryTaipei Medical University HospitalTaipeiTaiwan,Department of PsychiatrySchool of MedicineCollege of MedicineTaipei Medical UniversityTaipeiTaiwan
| | - Lisa Eyler
- Department of PsychiatryUniversity of California San DiegoSan DiegoCAUSA
| | | | - Fabiano Gomes
- Department of PsychiatryQueen’s University School of MedicineKingstonONCanada
| | - Tomas Hajek
- Department of PsychiatryDalhousie UniversityHalifaxNSCanada,National Institute of Mental HealthKlecanyCzech Republic
| | - Jessica Hatch
- Centre for Youth Bipolar DisorderSunnybrook Health Sciences CentreTorontoONCanada,Departments of Psychiatry & PharmacologyFaculty of MedicineUniversity of TorontoTorontoONCanada
| | - Susan L. McElroy
- Department of Psychiatry and Behavioral NeuroscienceUniversity of Cincinnati College of MedicineCincinnatiOHUSA,Lindner Center of HOPEMasonOHUSA
| | - Roger S. McIntyre
- Departments of Psychiatry & PharmacologyFaculty of MedicineUniversity of TorontoTorontoONCanada,Mood Disorders Psychopharmacology UnitUniversity Health NetworkTorontoONCanada
| | - Miguel Prieto
- Department of PsychiatryFaculty of MedicineUniversidad de los AndesSantiagoChile,Mental Health ServiceClínica Universidad de los AndesSantiagoChile,Department of Psychiatry and PsychologyMayo Clinic College of Medicine and ScienceRochesterMNUSA
| | - Louisa G. Sylvia
- Department of PsychiatryMassachusetts General HospitalBostonMAUSA,Department of PsychiatryHarvard Medical SchoolCambridgeMAUSA
| | - Shang‐Ying Tsai
- Department of PsychiatryTaipei Medical University HospitalTaipeiTaiwan,Department of PsychiatrySchool of MedicineCollege of MedicineTaipei Medical UniversityTaipeiTaiwan
| | - Andrew Kcomt
- Hope+Me—Mood Disorders Association of OntarioTorontoONCanada
| | - Jess G. Fiedorowicz
- Departments of Psychiatry, Internal Medicine, & EpidemiologyCarver College of MedicineUniversity of IowaIowa CityIAUSA
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8
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Liu Y, Gu HY, Zhu J, Niu YM, Zhang C, Guo GL. Identification of Hub Genes and Key Pathways Associated With Bipolar Disorder Based on Weighted Gene Co-expression Network Analysis. Front Physiol 2019; 10:1081. [PMID: 31481902 PMCID: PMC6710482 DOI: 10.3389/fphys.2019.01081] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 08/07/2019] [Indexed: 12/11/2022] Open
Abstract
Bipolar disorder (BD) is a complex mental disorder with high mortality and disability rates worldwide; however, research on its pathogenesis and diagnostic methods remains limited. This study aimed to elucidate potential candidate hub genes and key pathways related to BD in a pre-frontal cortex sample. Raw gene expression profile files of GSE53987, including 36 samples, were obtained from the gene expression omnibus (GEO) database. After data pre-processing, 10,094 genes were selected for weighted gene co-expression network analysis (WGCNA). After dividing highly related genes into 19 modules, we found that the pink, midnight blue, and brown modules were highly correlated with BD. Functional annotation and pathway enrichment analysis for modules, which indicated some key pathways, were conducted based on the Enrichr database. One of the most remarkable significant pathways is the Hippo signaling pathway and its positive transcriptional regulation. Finally, 30 hub genes were identified in three modules. Hub genes with a high degree of connectivity in the PPI network are significantly enriched in positive regulation of transcription. In addition, the hub genes were validated based on another dataset (GSE12649). Taken together, the identification of these 30 hub genes and enrichment pathways might have important clinical implications for BD treatment and diagnosis.
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Affiliation(s)
- Yang Liu
- Center for Evidence-Based Medicine and Clinical Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Hui-Yun Gu
- Department of Orthopedic, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jie Zhu
- Trade Union, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Yu-Ming Niu
- Center for Evidence-Based Medicine and Clinical Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Chao Zhang
- Center for Evidence-Based Medicine and Clinical Research, Taihe Hospital, Hubei University of Medicine, Shiyan, China
| | - Guang-Ling Guo
- Center of Women’s Health Sciences, Taihe Hospital, Hubei University of Medicine, Shiyan, China
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9
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Dal Mas C, Carvalho MS, Marins LA, Yonamine CM, Cordeiro Q, McIntyre RS, Mansur RB, Brietzke E, Hayashi MAF. Oligopeptidases activity in bipolar disorder: Ndel1 and angiotensin I converting enzyme. J Affect Disord 2019; 244:67-70. [PMID: 30321766 DOI: 10.1016/j.jad.2018.10.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 09/24/2018] [Accepted: 10/04/2018] [Indexed: 10/28/2022]
Abstract
BACKGROUND Abnormal activity of two enzymes relevant to neurodevelopment, namely nuclear-distribution element-like 1 (Ndel1) and angiotensin I-converting enzyme (ACE), was reported in individuals with schizophrenia; to our knowledge, these oligopeptidases were never measured in bipolar disorder (BD). AIMS Evaluate the enzyme activity of Ndel1 and ACE in euthymic individuals with BD type 1 which was compare to healthy control (HC) group. METHODS Ndel1 and ACE activities were assessed in the serum of individuals with BD type 1 according to DSM-IV criteria (n = 70) and a HC group (n = 34). The possible differences between BD type 1 and HC groups were evaluated using Analysis of Covariance (ANCOVA), and the results were adjusted for age, gender and body mass index. RESULTS We observed a positive correlation between Ndel1 activity and the total YMRS score in BD group (p = 0.030) and a positive correlation between ACE activity and Ham-D score (p = 0.047). ANCOVA analysis showed lower Ndel1 activity in BDs compared to HCs. Interestingly, we did not observe between-groups differences in ACE activity, despite the recognized correlation of ACE activity levels with cognitive functions, also described to be worsened in psychiatric patients. CONCLUSION Oligopeptidases, especially Ndel1, which has been strongly correlated with neurodevelopment and brain formation, are potentially a good new target in the study of the neurobiology of BD. LIMITATIONS The relatively small sample size did not permit to examine the cause-effect relationship of clinical dimensions of BD and the enzymatic activity.
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Affiliation(s)
- Caroline Dal Mas
- Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), Rua 3 de maio 100, Ed. INFAR, 3rd floor, CEP 04044-020 São Paulo, Brazil
| | - Michelle S Carvalho
- Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), Rua 3 de maio 100, Ed. INFAR, 3rd floor, CEP 04044-020 São Paulo, Brazil
| | - Lucas A Marins
- Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), Rua 3 de maio 100, Ed. INFAR, 3rd floor, CEP 04044-020 São Paulo, Brazil
| | - Camila M Yonamine
- Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), Rua 3 de maio 100, Ed. INFAR, 3rd floor, CEP 04044-020 São Paulo, Brazil
| | - Quirino Cordeiro
- Department of Psychiatry, Irmandade da Santa Casa de Misericórdia de São Paulo (ISCMSP), São Paulo, Brazil
| | - Roger S McIntyre
- Mood Disorders Psychopharmacology Unit, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
| | - Rodrigo B Mansur
- Mood Disorders Psychopharmacology Unit, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
| | - Elisa Brietzke
- Department of Psychiatry, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), Rua Pedro de Toledo, 669, 3rd floor, Vila Clementino, CEP 04039-032 São Paulo, Brazil.
| | - Mirian A F Hayashi
- Department of Pharmacology, Escola Paulista de Medicina (EPM), Universidade Federal de São Paulo (UNIFESP), Rua 3 de maio 100, Ed. INFAR, 3rd floor, CEP 04044-020 São Paulo, Brazil.
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10
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Ribas MR, Oliveira Netto ZC, Salgueirosa F, Fernandes P, Matos OD, Bassan JC. ASSOCIATION OF ACTN3 R577X AND ACE I/D POLYMORPHISMS IN BRAZILIANS WRESTLERS. REV BRAS MED ESPORTE 2017. [DOI: 10.1590/1517-869220172306171864] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
ABSTRACT Introduction: By associating genetics and sport, it is possible to identify subjects with greater capacity to adapt to training, and lower chances of injury. Objective: The investigation evaluated the genotypic and allelic distribution of ACTN3 R577X and ACE I/D polymorphisms in Brazilian high-performance athletes in wrestling and percussion combat sports. Methods: The study included 37 male athletes ranked from first to third place in world scenarios, divided into two groups: wrestling (23 wrestlers, being 11 of Judo, 4 of Greco-Roman style, 8 of Brazilian Jiu Jitsu, with mean age of 27.3 ± 6.9 years) and percussion combat sports (14 athletes with a mean age of 25.7±4.4 years, being 6 of Karate, 3 of Muay Thai, 4 of Taekwondo, 1 Boxing). Genotyping of ACTN3 and ACE I/D polymorphisms was performed by polymerase chain reaction (PCR) from the genomic DNA. Genotypic and allelic distributions were compared with control populations and athletes by Chi-square test and Fisher’s exact test; all analyzes considered p ≤ 0.05. Results: The genotypic distributions and allelic frequencies of ACTN3 RR=46%, RX=38% and XX=16%; R=65% and X=35%, and ACE I/D DD=47.7%, ID=34.3% and II=20%; D=62.9% and I=37.1% did not differ from the control population; however, when compared with wrestling athletes a significant difference was observed. Conclusion: These results suggest an association of ACTN3 R577X and ACE I/D genes with Brazilian high-performance wrestling athletes.
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Affiliation(s)
| | | | | | | | | | - Julio Cesar Bassan
- Universidade Tecnológica Federal do Paraná, Brazil; Universidade Tecnológica Federal do Paraná, Brazil; Universidade Tecnológica Federal do Paraná, Brazil
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11
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Gonzalez S, Camarillo C, Rodriguez M, Ramirez M, Zavala J, Armas R, Contreras SA, Contreras J, Dassori A, Almasy L, Flores D, Jerez A, Raventós H, Ontiveros A, Nicolini H, Escamilla M. A genome-wide linkage scan of bipolar disorder in Latino families identifies susceptibility loci at 8q24 and 14q32. Am J Med Genet B Neuropsychiatr Genet 2014; 165B:479-91. [PMID: 25044503 DOI: 10.1002/ajmg.b.32251] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Accepted: 05/27/2014] [Indexed: 12/14/2022]
Abstract
A genome-wide nonparametric linkage screen was performed to localize Bipolar Disorder (BP) susceptibility loci in a sample of 3757 individuals of Latino ancestry. The sample included 963 individuals with BP phenotype (704 relative pairs) from 686 families recruited from the US, Mexico, Costa Rica, and Guatemala. Non-parametric analyses were performed over a 5 cM grid with an average genetic coverage of 0.67 cM. Multipoint analyses were conducted across the genome using non-parametric Kong & Cox LOD scores along with Sall statistics for all relative pairs. Suggestive and significant genome-wide thresholds were calculated based on 1000 simulations. Single-marker association tests in the presence of linkage were performed assuming a multiplicative model with a population prevalence of 2%. We identified two genome-wide significant susceptibly loci for BP at 8q24 and 14q32, and a third suggestive locus at 2q13-q14. Within these three linkage regions, the top associated single marker (rs1847694, P = 2.40 × 10(-5)) is located 195 Kb upstream of DPP10 in Chromosome 2. DPP10 is prominently expressed in brain neuronal populations, where it has been shown to bind and regulate Kv4-mediated A-type potassium channels. Taken together, these results provide additional evidence that 8q24, 14q32, and 2q13-q14 are susceptibly loci for BP and these regions may be involved in the pathogenesis of BP in the Latino population.
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Affiliation(s)
- Suzanne Gonzalez
- Center of Excellence for Neurosciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas; Department of Psychiatry, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, Texas
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12
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Aziriova S, Repova Bednarova K, Krajcirovicova K, Hrenak J, Rajkovicova R, Arendasova K, Kamodyova N, Celec P, Zorad S, Adamcova M, Paulis L, Simko F. Doxorubicin-induced behavioral disturbances in rats: Protective effect of melatonin and captopril. Pharmacol Biochem Behav 2014; 124:284-9. [DOI: 10.1016/j.pbb.2014.06.021] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 05/21/2014] [Accepted: 06/22/2014] [Indexed: 01/29/2023]
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13
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Alicakmak E, Cataloluk O, Yoldas T, Arslan A, Herken H, Barlas O, Gorucu S, Yigiter R. Migraine and angiotensin-converting enzyme association in Turkish patients. ACTA ACUST UNITED AC 2013. [DOI: 10.1163/156856903770196881] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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de Góis Queiroz AI, Medeiros CD, Ribeiro BMM, de Lucena DF, Macêdo DS. Angiotensin receptor blockers for bipolar disorder. Med Hypotheses 2012; 80:259-63. [PMID: 23265360 DOI: 10.1016/j.mehy.2012.11.043] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2012] [Revised: 11/22/2012] [Accepted: 11/27/2012] [Indexed: 12/20/2022]
Abstract
Studies have suggested that the brain renin angiotensin system (RAS) regulates cerebral flow, autonomic and hormonal systems, stress, innate immune response and behavior, being implicated in several brain disorders such as major depression, Parkinson's and Alzheimer's disease. The angiotensin II receptor subtype 1 (AT1R) is distributed in brain regions responsible for the control of stress response through peripheral and central sympathetic hyperactivation as well as in the hypothalamic paraventricular region, areas known for the release of several neurotransmitters related to inflammatory response facilitation. This relationship leads to the assumption that AT1R might be the receptor most related to the central deleterious actions of angiotensin II. New evidences from clinical studies have shown a possible role for RAS in the pathogenesis of bipolar disorder (BD), a multifactorial disorder with acknowledged presence of neuronal damage via oxidative stress in brain areas such as hippocampus, prefrontal cortex and striatum. Given the studies highlighting AT1R activation as a central pro-inflammatory pathway and, conversely, the involvement of inflammatory response in the pathogenesis of BD; this paper hypothesizes the use of AT1R antagonists for BD management and prevention of its neuroprogression, due to their anti-inflammatory and neuroprotective effects.
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Affiliation(s)
- Ana Isabelle de Góis Queiroz
- Neuropharmacology Laboratory, Postgraduate Pharmacology Program, Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, Ceará, Brazil
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15
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Seifuddin F, Mahon PB, Judy J, Pirooznia M, Jancic D, Taylor J, Goes FS, Potash JB, Zandi PP. Meta-analysis of genetic association studies on bipolar disorder. Am J Med Genet B Neuropsychiatr Genet 2012; 159B:508-18. [PMID: 22573399 PMCID: PMC3582382 DOI: 10.1002/ajmg.b.32057] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2011] [Accepted: 04/10/2012] [Indexed: 01/05/2023]
Abstract
Numerous candidate gene association studies of bipolar disorder (BP) have been carried out, but the results have been inconsistent. Individual studies are typically underpowered to detect associations with genes of small effect sizes. We conducted a meta-analysis of published candidate gene studies to evaluate the cumulative evidence. We systematically searched for all published candidate gene association studies of BP. We then carried out a random-effects meta-analysis on all polymorphisms that were reported on by three or more case-control studies. The results from meta-analyses of these genes were compared with the findings from a recent mega-analysis of eleven genome-wide association studies (GWAS) in BP performed by the Psychiatric GWAS Consortium (PGC). A total of 487 articles were included in our review. Among these, 33 polymorphisms in 18 genes were reported on by three or more case-control studies and included in the random-effects meta-analysis. Polymorphisms in BDNF, DRD4, DAOA, and TPH1, were found to be nominally significant with a P-value < 0.05. However, none of the findings were significant after correction for multiple testing. Moreover, none of these polymorphisms were nominally significant in the PGC-BP GWAS. A number of plausible candidate genes have been previously associated with BP. However, the lack of robust findings in our review of these candidate genes highlights the need for more atheoretical approaches to study the genetics of BP afforded by GWAS. The results of this meta-analysis and from other on-going genomic experiments in BP are available online at Metamoodics (http://metamoodics.igm.jhmi.edu).
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Affiliation(s)
- Fayaz Seifuddin
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Pamela Belmonte Mahon
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Jennifer Judy
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Mehdi Pirooznia
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Dubravka Jancic
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Jacob Taylor
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - Fernando S. Goes
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland
| | - James B. Potash
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa
| | - Peter P. Zandi
- Department of Mental Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
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16
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Lemos RR, de Lima SG, da Cunha JEG, Oliveira DF, de Souza MBR, Ayres CFJ, Albuquerque MFPM, Oliveira JRM. Revising the M235T polymorphism position for the AGT gene and reporting a modifying variant in the Brazilian population with potential cardiac and neural impact. J Mol Neurosci 2012; 48:253-6. [PMID: 22531885 DOI: 10.1007/s12031-012-9768-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2011] [Accepted: 04/01/2012] [Indexed: 12/22/2022]
Abstract
There is a growing need to curate the overwhelming amount of sequencing data which is available in many public databases. For instance, new information shows that the M235T polymorphism at the angiotensinogen gene (AGT) is actually positioned at the position corresponding to the amino acid 268 and not 235. This polymorphism is filled as rs699 in the NCBI SNP database and results in the synthesis of a threonine (T) instead of a methionine (M). It has been widely studied and associated as an important risk factor for several vascular and neuropsychiatric conditions. We faced this new situation during the targeted sequencing of 360 chromosomes from Brazilian subjects studied for the M235T polymorphism, leading to the identification of a novel variation (rs141900991). This report explores the potential impact of such a dinucleotide variation, which promotes the change of alanine (A) to serine (S) at the AGT protein structure (A237S). Considering the previous M268T variation at the four possible haplotypes combined (MA, MS, TA and TS), we performed a comparative hydrophobicity simulation, using the Kyte-Doolittle algorithm, available at the CLB Bio workbench, in the four possible haplotypes. Additional simulations were performed using the programs PolyPhen, I-Mutant and SIFT, in order to evaluate the pathogenicity of both mutations. The predicted hydrophobicity decreases of a similar magnitude, with both MS and TA haplotypes, but the presence of both variations induces a major decrease in hydrophobicity, suggesting a cumulative effect, with possible modifying effect since that this variation per se would limit the hydrophobicity range and the latter chances in finding significant phenotype differences. A better characterization of this kind of variant is particularly important because the current genome wide scan analyses in complex disorders with cardiac or neural etiology are not generating reliable findings, especially if we consider the huge investment with such approach. Additional and unknown variations like this one, with potential modifying effect, might be more common than previously expected.
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Affiliation(s)
- R R Lemos
- Keizo Asami Laboratory, Federal University of Pernambuco, Av. Prof. Moraes Rego, 1235 Cidade Universitária, Recife, PE, CEP 50670-901, Brazil
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17
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Zou YF, Wang F, Feng XL, Li WF, Pan FM, Huang F. Meta-analysis of ACE gene I/D polymorphism and bipolar disorder susceptibility. Nord J Psychiatry 2011; 65:276-82. [PMID: 21314245 DOI: 10.3109/08039488.2011.555564] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND A number of studies have been conducted to explore the association between ACE gene insertion/deletion (I/D) polymorphism and bipolar disorder (BPD). However, the reported results were conflicting. AIMS The aim of our study was to find evidence on whether ACE gene I/D polymorphism is associated with BPD using a meta-analysis. METHODS Data were collected from the following electronic databases: Pubmed, Elsevier Science Direct, Cochrane Library, CBM, CNKI and Wanfang. Meta-analysis was performed for genotypes ID vs. II, DD vs. II, DD vs. ID + II, ID + DD vs. II, and D allele vs. I allele in a fixed/random effect model. RESULTS Seven studies that included data from 605 cases and 1541 controls were identified. When all groups were pooled, we did not detect the association of ACE gene I/D polymorphism with BPD (P > 0.05). In the subgroup analysis, we did not detect the association of ACE gene I/D polymorphism with BPD in Caucasians (P > 0.05). An association of ACE gene I/D polymorphism with BPD was found in Asians for the contrast of DD vs. ID + II (OR = 2.01, 95% CI 1.08-3.74, P = 0.03), but not for other contrasts (P > 0.05). CONCLUSIONS This meta-analysis suggests that there may be an association of ACE gene I/D polymorphism with BPD in Asians. Further studies are still needed in Asians.
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Affiliation(s)
- Yan-Feng Zou
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, Hefei, China
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18
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Le-Niculescu H, Case NJ, Hulvershorn L, Patel SD, Bowker D, Gupta J, Bell R, Edenberg HJ, Tsuang MT, Kuczenski R, Geyer MA, Rodd ZA, Niculescu AB. Convergent functional genomic studies of ω-3 fatty acids in stress reactivity, bipolar disorder and alcoholism. Transl Psychiatry 2011; 1:e4. [PMID: 22832392 PMCID: PMC3309466 DOI: 10.1038/tp.2011.1] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2010] [Accepted: 02/24/2011] [Indexed: 12/28/2022] Open
Abstract
Omega-3 fatty acids have been proposed as an adjuvant treatment option in psychiatric disorders. Given their other health benefits and their relative lack of toxicity, teratogenicity and side effects, they may be particularly useful in children and in females of child-bearing age, especially during pregnancy and postpartum. A comprehensive mechanistic understanding of their effects is needed. Here we report translational studies demonstrating the phenotypic normalization and gene expression effects of dietary omega-3 fatty acids, specifically docosahexaenoic acid (DHA), in a stress-reactive knockout mouse model of bipolar disorder and co-morbid alcoholism, using a bioinformatic convergent functional genomics approach integrating animal model and human data to prioritize disease-relevant genes. Additionally, to validate at a behavioral level the novel observed effects on decreasing alcohol consumption, we also tested the effects of DHA in an independent animal model, alcohol-preferring (P) rats, a well-established animal model of alcoholism. Our studies uncover sex differences, brain region-specific effects and blood biomarkers that may underpin the effects of DHA. Of note, DHA modulates some of the same genes targeted by current psychotropic medications, as well as increases myelin-related gene expression. Myelin-related gene expression decrease is a common, if nonspecific, denominator of neuropsychiatric disorders. In conclusion, our work supports the potential utility of omega-3 fatty acids, specifically DHA, for a spectrum of psychiatric disorders such as stress disorders, bipolar disorder, alcoholism and beyond.
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Affiliation(s)
- H Le-Niculescu
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - N J Case
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - L Hulvershorn
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - S D Patel
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
- Indianapolis VA Medical Center, Indianapolis, IN, USA
| | - D Bowker
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - J Gupta
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - R Bell
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - H J Edenberg
- Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - M T Tsuang
- Department of Psychiatry, UC San Diego, La Jolla, CA, USA
| | - R Kuczenski
- Department of Psychiatry, UC San Diego, La Jolla, CA, USA
| | - M A Geyer
- Department of Psychiatry, UC San Diego, La Jolla, CA, USA
| | - Z A Rodd
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - A B Niculescu
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
- Indianapolis VA Medical Center, Indianapolis, IN, USA
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Angiotensin-converting enzyme polymorphism in schizophrenia, bipolar disorders, and their first-degree relatives. Psychiatr Genet 2010; 20:14-9. [DOI: 10.1097/ypg.0b013e3283351194] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Dempster EL, Kiss E, Kapornai K, Daróczi G, Mayer L, Baji I, Tamas Z, Gadoros J, Kennedy JL, Vetró A, Kovacs M, Barr CL. No evidence of an association between two genes, EDN1 and ACE, and childhood-onset mood disorders. Am J Med Genet B Neuropsychiatr Genet 2010; 153B:341-6. [PMID: 19475602 DOI: 10.1002/ajmg.b.30983] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Recent evidence supports a pathological link between heart disease and depressive symptoms, suggesting that depression is both etiologic and prognostic to heart disease. Thus, biological molecules which are at the interface between heart and mind are plausible candidate genes for depressive disorders. To investigate this line of enquiry we have investigated two genes, Endothelin 1 (EDN1) and Angiotensin-converting enzyme (ACE) in a family-based sample with childhood-onset mood disorders (COMDs). EDN1 is highly expressed in endothelium where it acts as a potent vasoconstrictor, and is also expressed in the brain where it exhibits neurotransmitter characteristics. ACE acts as a potent vasopressor, and interacts with the hypothalamic-pituitary-adrenocortical (HPA) system, which is often dysregulated in mood disorders. Furthermore, ACE has recently been found to be associated with major depression. Polymorphisms were selected to best capture the genetic variation at the two loci, and to replicate previous associations. The markers were genotyped across EDN1 and ACE in a sample comprised of 382 Hungarian nuclear families ascertained through affected probands diagnosed with a mood disorders before the age of 15. We found no evidence of association between either of these genes and COMD. Consequently, we were unable to support our hypothesis that these two genes, which are involved in both vascular and brain functions are contributing to the susceptibility to mood disorders of children/adolescents.
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Cordeiro Q, Souza BR, Correa H, Guindalini C, Hutz MH, Vallada H, Romano-Silva MA. A review of psychiatric genetics research in the Brazilian population. BRAZILIAN JOURNAL OF PSYCHIATRY 2009; 31:154-62. [DOI: 10.1590/s1516-44462009000200013] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2008] [Accepted: 12/04/2008] [Indexed: 01/11/2023]
Abstract
OBJECTIVE AND METHOD: A large increase in the number of Brazilian studies on psychiatric genetics has been observed in the 1970's since the first publications conducted by a group of researchers in Brazil. Here we reviewed the literature and evaluated the advantages and difficulties of psychiatric genetic studies in the Brazilian population. CONCLUSION: The Brazilian population is one of the most heterogeneous populations in the world, formed mainly by the admixture between European, African and Native American populations. Although the admixture process is not a particularity of the Brazilian population, much of the history and social development in Brazil underlies the ethnic melting pot we observe nowadays. Such ethnical heterogeneity of the Brazilian population obviously brings some problems when performing genetic studies. However, the Brazilian population offers a number of particular characteristics that are of major interest when genetic studies are carried out, such as the presence of isolated populations. Thus, differences in the genetic profile and in the exposure to environmental risks may result in different interactions and pathways to psychopathology.
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22
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Liebl C, Panhuysen M, Pütz B, Trümbach D, Wurst W, Deussing JM, Müller MB, Schmidt MV. Gene expression profiling following maternal deprivation: involvement of the brain Renin-Angiotensin system. Front Mol Neurosci 2009; 2:1. [PMID: 19506703 PMCID: PMC2691150 DOI: 10.3389/neuro.02.001.2009] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Accepted: 04/24/2009] [Indexed: 12/19/2022] Open
Abstract
The postnatal development of the mouse is characterized by a stress hypo-responsive period (SHRP), where basal corticosterone levels are low and responsiveness to mild stressors is reduced. Maternal separation is able to disrupt the SHRP and is widely used to model early trauma. In this study we aimed at identifying of brain systems involved in acute and possible long-term effects of maternal separation. We conducted a microarray-based gene expression analysis in the hypothalamic paraventricular nucleus after maternal separation, which revealed 52 differentially regulated genes compared to undisturbed controls, among them are 37 up-regulated and 15 down-regulated genes. One of the prominently up-regulated genes, angiotensinogen, was validated using in-situ hybridization. Angiotensinogen is the precursor of angiotensin II, the main effector of the brain renin-angiotensin system (RAS), which is known to be involved in stress system modulation in adult animals. Using the selective angiotensin type I receptor [AT(1)] antagonist candesartan we found strong effects on CRH and GR mRNA expression in the brain and ACTH release following maternal separation. AT(1) receptor blockade appears to enhance central effects of maternal separation in the neonate, suggesting a suppressing function of brain RAS during the SHRP. Taken together, our results illustrate the molecular adaptations that occur in the paraventricular nucleus following maternal separation and contribute to identifying signaling cascades that control stress system activity in the neonate.
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Heck A, Lieb R, Ellgas A, Pfister H, Lucae S, Erhardt A, Himmerich H, Horstmann S, Kloiber S, Ripke S, Müller-Myhsok B, Bettecken T, Uhr M, Holsboer F, Ising M. Polymorphisms in the angiotensin-converting enzyme gene region predict coping styles in healthy adults and depressed patients. Am J Med Genet B Neuropsychiatr Genet 2009; 150B:104-14. [PMID: 18484085 DOI: 10.1002/ajmg.b.30784] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Dispositional coping styles are important moderators of the stress reaction and are altered in stress-related disorders like cardiovascular diseases and affective disorders. Heritability studies suggest a considerable genetic contribution to the interindividual variability in coping styles. Since the angiotensin-converting enzyme (ACE) gene has been described to be associated with the vulnerability for stress-related disorders and with altered stress hormone regulation, we investigated the ACE gene as potential candidate gene for coping styles. Five hundred forty one mentally healthy subjects and 194 patients suffering from depression participating in the Munich Antidepressant Response Signature (MARS) project were examined. Coping styles were assessed with a self-report questionnaire (German Stress Coping Questionnaire SVF78) measuring the individual coping style pattern in response to stressful situations. We genotyped 15 single nucleotide polymorphisms (SNPs) and the insertion/Deletion (I/D)-polymorphism in the ACE gene region and investigated their associations with coping styles. In healthy subjects, the highest association was observed between rs8066276, an intronic SNP of the ACE gene, and the coping factor Distraction. A further intronic SNP rs4305, not in linkage disequilibrium with rs8066276, showed an association with Devaluation/Defense. All associated copying styles can be categorized as potentially stress reducing factors (positive coping). Both SNPs were also found to be associated with positive coping styles in the patient sample; rs8066276 was associated with Devaluation/Defense, and rs4305 showed associations with Control. These results suggest that the ACE gene is involved in the development of coping strategies.
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Affiliation(s)
- Angela Heck
- Max Planck Institute of Psychiatry, Munich, Germany.
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Serretti A, Mandelli L. The genetics of bipolar disorder: genome 'hot regions,' genes, new potential candidates and future directions. Mol Psychiatry 2008; 13:742-71. [PMID: 18332878 DOI: 10.1038/mp.2008.29] [Citation(s) in RCA: 131] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Bipolar disorder (BP) is a complex disorder caused by a number of liability genes interacting with the environment. In recent years, a large number of linkage and association studies have been conducted producing an extremely large number of findings often not replicated or partially replicated. Further, results from linkage and association studies are not always easily comparable. Unfortunately, at present a comprehensive coverage of available evidence is still lacking. In the present paper, we summarized results obtained from both linkage and association studies in BP. Further, we indicated new potential interesting genes, located in genome 'hot regions' for BP and being expressed in the brain. We reviewed published studies on the subject till December 2007. We precisely localized regions where positive linkage has been found, by the NCBI Map viewer (http://www.ncbi.nlm.nih.gov/mapview/); further, we identified genes located in interesting areas and expressed in the brain, by the Entrez gene, Unigene databases (http://www.ncbi.nlm.nih.gov/entrez/) and Human Protein Reference Database (http://www.hprd.org); these genes could be of interest in future investigations. The review of association studies gave interesting results, as a number of genes seem to be definitively involved in BP, such as SLC6A4, TPH2, DRD4, SLC6A3, DAOA, DTNBP1, NRG1, DISC1 and BDNF. A number of promising genes, which received independent confirmations, and genes that have to be further investigated in BP, have been also systematically listed. In conclusion, the combination of linkage and association approaches provided a number of liability genes. Nevertheless, other approaches are required to disentangle conflicting findings, such as gene interaction analyses, interaction with psychosocial and environmental factors and, finally, endophenotype investigations.
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Affiliation(s)
- A Serretti
- Institute of Psychiatry, University of Bologna, Bologna, Italy.
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Phillips MI, de Oliveira EM. Brain renin angiotensin in disease. J Mol Med (Berl) 2008; 86:715-22. [PMID: 18385968 PMCID: PMC7095973 DOI: 10.1007/s00109-008-0331-5] [Citation(s) in RCA: 154] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2008] [Revised: 02/20/2008] [Accepted: 02/21/2008] [Indexed: 02/06/2023]
Abstract
A brain renin angiotensin system (RAS) and its role in cardiovascular control and fluid homeostasis was at first controversial. This was because a circulating kidney-derived renin angiotensin system was so similar and well established. But, the pursuit of brain RAS has proven to be correct. In the course of accepting brain RAS, high standards of proof attracted state of the art techniques in all the new developments of biolo1gy. Consequently, brain RAS is a robust concept that has enlightened neuroscience as well as cardiovascular physiology and is a model neuropeptide system. Molecular biology confirmed the components of brain RAS and their location in the brain. Transgenic mice and rats bearing renin and extra copies of angiotensinogen genes revealed the importance of brain RAS. Cre-lox delivery in vectors has enabled pinpoint gene deletion of brain RAS in discrete brain nuclei. The new concept of brain RAS includes ACE-2, Ang1–7, and prorenin and Mas receptors. Angiotensin II (ANG II) generated in the brain by brain renin has many neural effects. It activates behavioral effects by selective activation of ANG II receptor subtypes in different locations. It regulates sympathetic activity and baroreflexes and contributes to neurogenic hypertension. New findings implicate brain RAS in a much wider range of neural effects. We review brain RAS involvement in Alzheimer’s disease, stroke memory, and learning alcoholism stress depression. There is growing evidence to consider developing treatment strategies for a variety of neurological disease states based on brain RAS.
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Affiliation(s)
- M Ian Phillips
- Keck Graduate Institute, 535 Watson Drive, Claremont, CA 91711, USA.
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Saab YB, Gard PR, Yeoman MS, Mfarrej B, El-Moalem H, Ingram MJ. Renin-angiotensin-system gene polymorphisms and depression. Prog Neuropsychopharmacol Biol Psychiatry 2007; 31:1113-8. [PMID: 17499413 DOI: 10.1016/j.pnpbp.2007.04.002] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2006] [Revised: 03/21/2007] [Accepted: 04/01/2007] [Indexed: 11/25/2022]
Abstract
Given the abundance of the renin-angiotensin system (RAS) components in the brain, their importance in behavior and cognition, and the data that implicates them in the etiology and treatment of depression, it is possible that those RAS gene polymorphisms associated with increased RAS activity may also be associated with depression. The frequencies of common polymorphisms of genes encoding for components of the RAS, namely angiotensinogen (M235T), angiotensin converting enzyme (ACE) (insertion, I; deletion, D), angiotensin receptor type I (A1166C), and angiotensin receptor type II (C3123A) were determined in DNA extracted from buccal cells from a Lebanese population of 132 depressed patients and their first-degree relative case-controls. The angiotensin receptor type 1 (A1166C) CC genotype was significantly associated with depression (p=0.036). None of the other common RAS-associated polymorphisms were significantly associated. The results support the hypothesis that increased RAS activity may increase relative risk of depression in that the angiotensin receptor type 1 (A1166C) CC genotype is associated with increased responsiveness to angiotensin II.
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Affiliation(s)
- Yolande B Saab
- School of Pharmacy, Lebanese American University, Byblos, Lebanon.
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Baghai TC, Binder EB, Schule C, Salyakina D, Eser D, Lucae S, Zwanzger P, Haberger C, Zill P, Ising M, Deiml T, Uhr M, Illig T, Wichmann HE, Modell S, Nothdurfter C, Holsboer F, Müller-Myhsok B, Möller HJ, Rupprecht R, Bondy B. Polymorphisms in the angiotensin-converting enzyme gene are associated with unipolar depression, ACE activity and hypercortisolism. Mol Psychiatry 2006; 11:1003-15. [PMID: 16924268 DOI: 10.1038/sj.mp.4001884] [Citation(s) in RCA: 100] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Angiotensin-converting enzyme (ACE) is assumed to influence the activity of the hypothalamic-pituitary-adrenocortical (HPA) system, which shows hyperactivity in the majority of patients with major depression. The ACE gene, known to be associated with cardiovascular disorders, which in turn are accompanied with an increased susceptibility for depression, is therefore a promising candidate gene for affective disorders. We investigated the genetic association between 35 single-nucleotide polymorphisms (SNPs) and an insertion/deletion (I/D)-polymorphism in the ACE gene and the susceptibility for unipolar major depression together with the genetic association with ACE serum activity and functional parameters of the HPA system. Two independent case/control samples with a total of 843 unrelated unipolar depressed patients and 1479 healthy controls were investigated. A case/control sample was screened to detect genetic associations with unipolar major depression. In addition, a replication sample was used to confirm the detected associations and to further investigate functional consequences of the genetic variants associated with depression. In the screening sample, two SNPs within the ACE gene were significantly associated with unipolar major depression. The association with unipolar major depression of one SNP (rs4291) located in the promoter region of the ACE gene was confirmed in our replication sample. The T-allele of this SNP was associated with depression and depressed T-allele carriers showed higher ACE serum activity and HPA-axis hyperactivity. Variants of the ACE gene such as SNP rs4291 are suggested susceptibility factors for unipolar major depression. We could show that SNP rs4291 influences ACE activity and HPA-axis hyperactivity and might therefore represent a common pathophysiologic link for unipolar depression and cardiovascular disease.
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Affiliation(s)
- T C Baghai
- Department of Psychiatry and Psychotherapy, Ludwig-Maximilian-University of Munich, Munich, Germany.
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28
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Rodd ZA, Bertsch BA, Strother WN, Le-Niculescu H, Balaraman Y, Hayden E, Jerome RE, Lumeng L, Nurnberger JI, Edenberg HJ, McBride WJ, Niculescu AB. Candidate genes, pathways and mechanisms for alcoholism: an expanded convergent functional genomics approach. THE PHARMACOGENOMICS JOURNAL 2006; 7:222-56. [PMID: 17033615 DOI: 10.1038/sj.tpj.6500420] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
We describe a comprehensive translational approach for identifying candidate genes for alcoholism. The approach relies on the cross-matching of animal model brain gene expression data with human genetic linkage data, as well as human tissue data and biological roles data, an approach termed convergent functional genomics. An analysis of three animal model paradigms, based on inbred alcohol-preferring (iP) and alcohol-non-preferring (iNP) rats, and their response to treatments with alcohol, was used. A comprehensive analysis of microarray gene expression data from five key brain regions (frontal cortex, amygdala, caudate-putamen, nucleus accumbens and hippocampus) was carried out. The Bayesian-like integration of multiple independent lines of evidence, each by itself lacking sufficient discriminatory power, led to the identification of high probability candidate genes, pathways and mechanisms for alcoholism. These data reveal that alcohol has pleiotropic effects on multiple systems, which may explain the diverse neuropsychiatric and medical pathology in alcoholism. Some of the pathways identified suggest avenues for pharmacotherapy of alcoholism with existing agents, such as angiotensin-converting enzyme (ACE) inhibitors. Experiments we carried out in alcohol-preferring rats with an ACE inhibitor show a marked modulation of alcohol intake. Other pathways are new potential targets for drug development. The emergent overall picture is that physical and physiological robustness may permit alcohol-preferring individuals to withstand the aversive effects of alcohol. In conjunction with a higher reactivity to its rewarding effects, they may able to ingest enough of this nonspecific drug for a strong hedonic and addictive effect to occur.
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Affiliation(s)
- Z A Rodd
- Department of Psychiatry, Institute of Psychiatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, USA
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Hishimoto A, Shirakawa O, Nishiguchi N, Hashimoto T, Yanagi M, Nushida H, Ueno Y, Maeda K. Association between a functional polymorphism in the renin-angiotensin system and completed suicide. J Neural Transm (Vienna) 2006; 113:1915-20. [PMID: 16736244 DOI: 10.1007/s00702-006-0483-9] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2005] [Accepted: 03/13/2006] [Indexed: 12/12/2022]
Abstract
Suicide has been suggested to involve disturbances in the stress response system and to be related to genetics. The renin-angiotensin system (RAS) has been shown to affect the stress response, and several functional polymorphisms in RAS-related genes have been predicted to alter protein function. We hypothesized that the dysregulation of RAS was involved in suicide, and examined the association between completed suicides and four functional polymorphisms of RAS-related genes: the angiotensinogen M235T, angiotensin-converting enzyme (ACE) insertion(I)/deletion(D), angiotensin type-1 receptor A1166C, and G-protein-beta3 C825T gene polymorphisms. The I allele of the ACE I/D polymorphism was found to be more frequent in completed suicides than in controls (P = 0.014). The I allele was also found to be more frequent in male completed suicides (P = 0.022) than in male controls, while this was not the case in females. These results suggest that the alteration of RAS function caused by the genetic polymorphism is involved in the susceptibility to suicide in males.
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Affiliation(s)
- A Hishimoto
- Division of Psychiatry and Neurology, Department of Environmental Health and Safety, Faculty of Medical Science, Kobe University Graduate School of Medicine, Kobe, Japan
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Shimizu E, Hashimoto K, Ohgake S, Koizumi H, Okamura N, Koike K, Fujisaki M, Iyo M. Association between angiotensin I-converting enzyme insertion/deletion gene functional polymorphism and novelty seeking personality in healthy females. Prog Neuropsychopharmacol Biol Psychiatry 2006; 30:99-103. [PMID: 16236416 DOI: 10.1016/j.pnpbp.2005.08.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/26/2005] [Indexed: 10/25/2022]
Abstract
A certain type of personality is at risk for developing psychiatric diseases. Several lines of evidence support the interaction between brain angiotensins and central catecholamine systems, and suggest that angiotensin I-converting enzyme (ACE) may be a reasonable candidate gene for psychiatric disorders. The present study examined the possibility that ACE insertion (I)/deletion (D) functional polymorphism might be associated with particular personality traits. Healthy Japanese subjects (N=184) were administered the Temperament and Character Inventory (TCI) and the NEO Personality Inventory Revised version (NEO-PI-R), and their ACE I/D polymorphisms were determined. There was an ethnic difference in the genetic distribution of ACE I/D between Japanese (D=34.5%) and Caucasians (D=55.2%). We found that the scores of novelty seeking (NS) in the Low-ACE group (II genotype) of healthy female subjects were significantly lower than those in the High-ACE group (ID or DD genotype) (p=0.018). Our findings suggested that the ACE I/D polymorphism might be associated with the NS personality trait in females, but not males. Taking into account the effects of multiple comparisons, this result should be interpreted with caution, and needs confirmation in a larger sample.
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Affiliation(s)
- Eiji Shimizu
- Department of Psychiatry (K2), Chiba University Graduate School of Medicine, 1-8-1 Inohana, Chuou-ku, Chiba 260-8670, Japan.
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Bondy B, Baghai TC, Zill P, Schule C, Eser D, Deiml T, Zwanzger P, Ella R, Rupprecht R. Genetic variants in the angiotensin I-converting-enzyme (ACE) and angiotensin II receptor (AT1) gene and clinical outcome in depression. Prog Neuropsychopharmacol Biol Psychiatry 2005; 29:1094-9. [PMID: 15949885 DOI: 10.1016/j.pnpbp.2005.03.015] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 03/01/2005] [Indexed: 10/25/2022]
Abstract
The insertion/(I)/deletion (D) polymorphism of the angiotensin-converting enzyme gene (ACE) is of increasing interest in etiology and treatment of various neuropsychiatric disorders. The present study aimed to replicate own earlier findings that depressive patients with the ACE D-allele are responding better to treatment with antidepressants than those with the II genotype. We further investigated a common polymorphism (A1166C) in the angiotensin II receptor gene (AT1) to examine a possibly combined influence. A sample of 273 patients with major depression, being treated with different classes of antidepressants, was enrolled in the study. Genotyping was carried out using a polymerase chain reaction and snapshot method, respectively, and the severity of depression was monitored using the HAMD-17 scale before and after 4 weeks of treatment. The ACE II genotypes showed poorer improvement in HAMD-17 scale after 4 weeks of treatment (ANOVA: F=4.49, p=0.01) than carriers with one or two D-alleles. Similarly, more than 70% of the AT1 CC homozygotes had a 50% reduction in the HAMD-17 scale within 4 weeks of treatment. Our data might further suggest that patients with a haplotype combining the CC and DD/ID genotypes respond better to treatment than those with either single allele. These results should however be replicated in future research.
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Affiliation(s)
- Brigitta Bondy
- Psychiatric Hospital, University of Munich, Nussbaumstrasse 7, D 80336 Munich, Germany.
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Gard PR. Angiotensin as a target for the treatment of Alzheimer’s disease, anxiety and depression. Expert Opin Ther Targets 2005; 8:7-14. [PMID: 14996614 DOI: 10.1517/14728222.8.1.7] [Citation(s) in RCA: 76] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The brain renin-angiotensin system (RAS), which is comprised of a variety of peptides including angiotensin II, angiotensin III and angiotensin IV acting on AT<inf>1</inf>, AT<inf>2</inf> and AT<inf>4</inf> receptors, is important in cognition and anxiety. Perturbation of the RAS improves basal cognition and reverses age-, scopolamine-, ethanol- and diabetes-induced deficits. In studies of dementias and Alzheimer's disease (AD), some studies have shown that antihypertensive drugs, including angiotensin-converting enzyme inhibitors, have some moderate effects on cognitive decline, but that the angiotensin receptor antagonist losartan has a significantly beneficial effect. These findings suggest that angiotensin receptor ligands may have potential in the prevention or even reversal of vascular dementias and AD. With respect to depression and anxiety, there is similar experimental evidence from animal models that drugs acting on the RAS may be antidepressant or anxiolytic, but insufficient clinical data exist. Such effects, if proven, could promote the use of such agents in the treatment of hypertension coexisting with depression or anxiety.
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Affiliation(s)
- Paul R Gard
- University of Brighton, School of Pharmacy and Biomolecular Sciences, UK.
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Gard PR. The brain renin-angiotensin system: a target for novel antidepressants and anxiolytics. Drug Dev Res 2005. [DOI: 10.1002/ddr.20028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Oswald P, Souery D, Mendlewicz J. Molecular genetics of affective disorders. Prog Neuropsychopharmacol Biol Psychiatry 2004; 28:865-77. [PMID: 15363609 DOI: 10.1016/j.pnpbp.2004.05.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/10/2004] [Indexed: 11/16/2022]
Abstract
Evidence for familial aggregation in Affective Disorders (AD) has been provided in classical studies. Linkage and association genetic studies have been proposed to detect genetic factors implicated in AD. However, findings from molecular genetic studies remain inconclusive. Nevertheless, current research is focusing on the phenotypes, both sub- and endophenotypes. In addition, recent advances in technology, such as microarrays, provide new tools in psychiatric genetics. These different approaches offer a new optimism era in the search of genetic factors in AD.
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Affiliation(s)
- Pierre Oswald
- Department of Psychiatry, Erasme Hospital, Free University of Brussels, 808 route de Lennik, B-1070, Brussels, Belgium.
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Bondy B, Baghai TC, Zill P, Bottlender R, Jaeger M, Minov C, Schule C, Zwanzger P, Rupprecht R, Engel RR. Combined action of the ACE D- and the G-protein beta3 T-allele in major depression: a possible link to cardiovascular disease? Mol Psychiatry 2003; 7:1120-6. [PMID: 12476328 DOI: 10.1038/sj.mp.4001149] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2001] [Revised: 01/29/2002] [Accepted: 03/27/2002] [Indexed: 01/22/2023]
Abstract
Although it is well established that depression is a major risk factor for the development of coronary artery disease and that cerebrovascular disease can be a major contributing factor for the development of depression, the information about the interplay between the central nervous system and cardiovascular disease is still limited. We investigated the angiotensin I converting enzyme (ACE) ID and the G-protein beta3-subunit (Gbeta3) C825T polymorphism in 201 patients with unipolar major depression and 161 ethnically and age-matched controls. Both gene variants have earlier been associated with either cardiovascular disease or affective disorders, making them good candidates for a combined analysis. We found a significant increase in the Gbeta3 T allele (OR = 1.61, 95% CI 1.17-2.2, P = 0.0035) and a marginal altered genotype distribution of the ACE ID polymorphism with decrease in the II genotypes (chi(2) = 6.43, df=3, P = 0.04) in the patients' group. Analysing the data for both genes we found that the combined actions of ACE and Gbeta3 genotypes accumulate in carriers of the ACE D allele (ID and DD) and Gbeta3 TT homozygotes with ID/DD-TT carriers showing a more than five-fold increase in risk for major depression (crude OR = 5.83, 95% CI 1.99-17.08, P = 0.0002). As our study was carried out with depressive patients without serious cardiac impairment at the time of the investigation, we are presently unable to predict whether this combined action of the ACE ID/DD-Gbeta3 TT genotype is increasing the risk for both disorders. Nevertheless our study reports for the first time that the same allelic combination of two genes that have been shown to increase the risk for myocardial infarction (Naber et al, 2000) increase the vulnerability for depressive disorder.
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Affiliation(s)
- B Bondy
- Psychiatric Department of University Munich, Nussbaumstrasse 7, D-80336 Munich, Germany.
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Segman RH, Shapira Y, Modai I, Hamdan A, Zislin J, Heresco-Levy U, Kanyas K, Hirschmann S, Karni O, Finkel B, Schlafman M, Lerner A, Shapira B, Macciardi F, Lerer B. Angiotensin converting enzyme gene insertion/deletion polymorphism: case-control association studies in schizophrenia, major affective disorder, and tardive dyskinesia and a family-based association study in schizophrenia. AMERICAN JOURNAL OF MEDICAL GENETICS 2002; 114:310-4. [PMID: 11920854 DOI: 10.1002/ajmg.10255] [Citation(s) in RCA: 40] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Angiotensin converting enzyme (ACE) is a candidate gene for psychiatric disorders. We examined the frequency of a functional insertion/deletion (I/D) polymorphism in the 16th intron of the ACE gene (located on chromosome 17q23) in groups of patients with schizophrenia (n = 104 and 113), major depression (n = 55), and bipolar disorder (n = 87) compared to healthy control subjects (n = 87). There was no evidence for allelic or genotypic association of the polymorphism with any of the disorders or with tardive dyskinesia (TD) in patients with schizophrenia. In a sample of nuclear families (n = 61) made up of one or more patients with schizophrenia recruited with their parents, there was no evidence for biased transmission of ACE I/D alleles. Particularly in the case of schizophrenia, these findings do not support an association of the ACE I/D polymorphism with the phenotypes examined.
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Affiliation(s)
- Ronnen H Segman
- Biological Psychiatry Laboratory, Department of Psychiatry, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.
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Abstract
Polymorphisms of the renin-angiotensin system are associated with cardiovascular disorders, possibly as a consequence of increased brain angiotensin II activity. Within the brain, angiotensin controls blood pressure, fluid balance and hormone secretion; it also influences behaviour: reduction of central angiotensin function has both antidepressant-like and axiolytic-like actions. Evidence concerning the role of the renin-angiotensin system in learning and memory is contradictory, although more studies support the proposal that angiotensin reduces cognitive function. Studies of renin-angiotensin system genotype and psychological status have suggested an association between the angiotensin-converting enzyme deletion allele and age related cognitive decline, but a greater prevalence of the insertion allele in Alzheimer's disease. The deletion allele has also been associated with depressive illness, as has the M allele of the angiotensinogen gene although other studies have failed to replicate these findings. The role of the brain renin-angiotensin system in human psychopathology remains to be fully explored.
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Affiliation(s)
- Paul R Gard
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton BN2 4GJ, UK.
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Abstract
The methodologies of epidemiology and molecular genetics are complementary approaches to identifying risk factors in bipolar disorder. Genetic linkage studies have revealed several chromosomal loci likely to contain genes that increase the risk of bipolar disorder, but major uncertainties remain about the mode of inheritance of the condition and the definition of the phenotype. Epidemiological findings have contributed to both these areas and have led to new hypotheses about causation. For example, the analysis of variability of age at onset of bipolar disorder led to studies of anticipation and a possible role of dynamic DNA repeat sequence mutations. Future epidemiological studies that aim to identify risk factors for bipolar disorder at the population level will be able to measure the interactions of genome sequence variation with other risk factors in the domain of demography, childhood experiences, exposure to adversity and availability of social support.
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Affiliation(s)
- D Blackwood
- Edinburgh University Department of Psychiatry, UK.
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