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González-Castro TB, Tovilla-Zárate CA, Genis-Mendoza AD, Juárez-Rojop IE, Nicolini H, López-Narváez ML, Martínez-Magaña JJ. Identification of gene ontology and pathways implicated in suicide behavior: Systematic review and enrichment analysis of GWAS studies. Am J Med Genet B Neuropsychiatr Genet 2019; 180:320-329. [PMID: 31045331 DOI: 10.1002/ajmg.b.32731] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 04/03/2019] [Accepted: 04/16/2019] [Indexed: 12/14/2022]
Abstract
Multiple large-scale studies such as genome-wide association studies (GWAS) have been performed to identify genetic contributors to suicidal behaviors (SB). We aimed to summarize and analyze the information obtained in SB GWAS, to explore the biological process gene ontology (GO) of genes associated with SB from GWAS, and to determine the possible implications of the genes associated with SB in Kyoto encyclopedias of genes and genomes (KEGG) biological pathways. The articles included in the analysis were obtained from PubMed and Scopus databases. Enrichment analyses were performed in Enrichr to evaluate the KEGG pathways and GO of the genes associated with SB of GWAS. The findings of biological process GO analysis showed 924 GO involved in genes related with SB; of those, the regulation of glucose import in response to insulin stimulus, regulation of protein localization to plasma membrane, positive regulation of endopeptidase activity, heterotypic cell-cell adhesion, regulation of cardiac muscle cell contraction, positive regulation of protein localization to plasma membrane, and positive regulation of protein localization to cell periphery biological process GO showed significant statistical association. Furthermore, we obtained 130 KEGG pathways involved in genes related with SB, which Aldosterone synthesis and secretion, Rap1 signaling pathway and arrhythmogenic right ventricular cardiomyopathy pathways showed a significant statistical association. These findings give a better perspective of the biological participation of genes associated with SB, which will be important to perform adequate strategies to prevent and treat SB.
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Affiliation(s)
- Thelma B González-Castro
- Multidisciplinary Academic Division of Jalpa de Méndez, Juárez Autonomous University of Tabasco, Jalpa de Méndez, Tabasco, Mexico.,Multidisciplinary Academic Division of Health Sciences, Juárez Autonomous University of Tabasco, Villahermosa, Tabasco, Mexico
| | - Carlos A Tovilla-Zárate
- Multidisciplinary Academic Division of Comalcalco, Juárez Autonomous University of Tabasco, Comalcalco, Tabasco, Mexico
| | - Alma D Genis-Mendoza
- Secretary of Health, National Institute of Genomic Medicine (INMEGEN), City of Mexico, Mexico.,Secretary of Health, Children's Psychiatric Hospital "Dr. Juan N. Navarro", City of Mexico, Mexico
| | - Isela E Juárez-Rojop
- Multidisciplinary Academic Division of Comalcalco, Juárez Autonomous University of Tabasco, Comalcalco, Tabasco, Mexico
| | - Humberto Nicolini
- Secretary of Health, National Institute of Genomic Medicine (INMEGEN), City of Mexico, Mexico.,Secretary of Health, Children's Psychiatric Hospital "Dr. Juan N. Navarro", City of Mexico, Mexico
| | | | - José J Martínez-Magaña
- Secretary of Health, National Institute of Genomic Medicine (INMEGEN), City of Mexico, Mexico
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Lack of association of SNPs from the FADS1-FADS2 gene cluster with major depression or suicidal behavior. Psychiatr Genet 2016; 26:81-6. [PMID: 26513616 DOI: 10.1097/ypg.0000000000000111] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Fatty acid desaturase genes (FADS1-FADS2) encode desaturases participating in the biosynthesis of long-chain polyunsaturated fatty acids. As long-chain polyunsaturated fatty acids are implicated in major depressive disorder (MDD) and suicide risk, and as both are partly heritable, we studied the association of FADS1-FADS2 polymorphisms with MDD (635 cases, 480 controls) and suicide attempt status (291 attempters, 344 MDD nonattempters). Eighteen FADS-related single-nucleotide polymorphisms were genotyped from Caucasians enrolled in Madrid (n=791) or New York City (n=324) and entered as predictors into logistic regression analyses with diagnostic group or suicide attempt history as outcomes and location and sex as covariates. No associations were observed between any single-nucleotide polymorphisms and diagnosis or attempt status. As statistical power was adequate, we conclude that FADS1-FADS2 genetic variants may not be a common determinant of MDD.
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Höfer P, Schosser A, Calati R, Serretti A, Massat I, Kocabas NA, Konstantinidis A, Mendlewicz J, Souery D, Zohar J, Juven-Wetzler A, Montgomery S, Kasper S. The impact of serotonin receptor 1A and 2A gene polymorphisms and interactions on suicide attempt and suicide risk in depressed patients with insufficient response to treatment--a European multicentre study. Int Clin Psychopharmacol 2016; 31:1-7. [PMID: 26544898 DOI: 10.1097/yic.0000000000000101] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
So far, associations between serotonergic neurotransmission pathways and suicidality have been reported. The aim of our study was to investigate the role of genetic polymorphisms and gene-gene interactions of the 5-HTR1A and the 5-HTR2A gene on suicide risk and/or a personal history of suicide attempts. A total of 374 major depressive disorder patients, adequately treated with antidepressants for at least 4 weeks, were collected in the context of a European multicentre study on treatment-resistant depression. We assessed suicidality using the Mini International Neuropsychiatric Interview and the Hamilton Rating Scale for Depression (HAM-D). Treatment response was defined as HAM-D ≤ 17 and remission as HAM-D ≤ 7 after 4 weeks of adequate antidepressant treatment. The 5-HTR1A rs6295 (C-1019G) single nucleotide polymorphism (SNP) and the 5-HTR2A rs7997012, rs6313, rs643627 and rs17288723 SNPs were selected for genotyping. Using logistic regression analyses, no association (P<0.05) could be found between any SNP and neither suicide risk nor personal history of suicide attempts. Interactions between 5HTR1A rs6295 and 5HTR2A rs6313 in suicide risk, and 5HTR1A rs6295 and 5HTR2A rs643627 in a personal history of suicide attempts have been reported (P=0.027 and 0.036, respectively); however, the results did not survive multiple testing correction. In conclusion, our study shows no association between 5HTR1A or 5HTR2A gene polymorphisms and both current suicide risk and personal history of suicide attempts. In addition, epistatic effects of 5HTR1A and 5HTR2A genes on suicidal behaviour were not significant, although sample size limitations do not allow definitive conclusions.
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Affiliation(s)
- Peter Höfer
- aDepartment of Psychiatry and Psychotherapy, University Hospital of Psychiatry, University of Bern, Bern, Switzerland bDepartment of Psychiatry and Psychotherapy, Medical University of Vienna cZentrum für Seelische Gesundheit Leopoldau, BBRZ-Med, Vienna dZentrum für Seelische Gesundheit Muldenstrasse, BBRZ-Med, Linz, Austria eINSERM U1061, University of Montpellier, FondaMental Foundation, Montpellier, France fDepartment of Biomedical and NeuroMotor Sciences, University of Bologna, Bologna, Italy gLaboratory of Experimental Neurology, National Fund of Scientific Research, Université Libre de Bruxelles hUniversité Libre de Bruxelles iLaboratoire de Psychologie Medicale, Université Libre de Bruxelles and Psy Pluriel, Centre Europe en de Psychologie Medicale, Bruxelles, Belgium jDepartment of Toxicology, Faculty of Pharmacy, University of Gazi, Etiler Ankara, Turkey kChaim Sheba Medical Center, Tel-Hashomer, Israel lImperial College, School of Medicine, University of London, UK
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Batchu SN, Smolock EM, Dyachenko IA, Murashev AN, Korshunov VA. Autonomic dysfunction determines stress-induced cardiovascular and immune complications in mice. J Am Heart Assoc 2015; 4:JAHA.115.001952. [PMID: 25999402 PMCID: PMC4599426 DOI: 10.1161/jaha.115.001952] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
BACKGROUND Clinical studies suggest that acute inflammation in patients with elevated heart rate (HR) increases morbidity and mortality. The SJL/J (SJL) inbred mouse strain is a unique genetic model that has higher HR and systemic and vascular inflammation compared with C3HeB/FeJ (C3HeB) mice. The goal of this study was to investigate the role of stress on cardiac and vascular complications between 2 strains. METHODS AND RESULTS Radiotelemetry was used for continuous recordings of HR and blood pressure in mice. Hemodynamic differences between mouse strains were very small without stress; however, tail-cuff training generated mild stress and significantly increased HR (≈2-fold) in SJL compared with C3HeB mice. Circulating proinflammatory monocytes (CD11b(+)Ly6C(H) (i)) significantly increased in SJL mice but not in C3HeB mice after stress. Presence of Ly6C(+) cells in injured carotids was elevated only in SJL mice after stress; however, a transfer of bone marrow cells from SJL/C3HeB to C3HeB/SJL chimeras had no effect on HR or vascular inflammation following stress. Arterial inflammation (VCAM-1(+)) was greater in SJL inbred mice or SJL recipient chimeras, even without stress or injury. HR variability was reduced in SJL mice compared with C3HeB mice. CONCLUSIONS We found that impaired parasympathetic activity is central for stress-induced elevation of HR and systemic and vascular inflammation; however, immune cells from stress-susceptible mice had no effect on HR or vascular inflammation in stress-protected mice.
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Affiliation(s)
- Sri N Batchu
- Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY (S.N.B., E.M.S., V.A.K.)
| | - Elaine M Smolock
- Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY (S.N.B., E.M.S., V.A.K.)
| | - Igor A Dyachenko
- Pushchino State Natural-Science Institute, Pushchino, Russia (I.A.D., A.N.M.) Pushchino Branch, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Pushchino, Russia (I.A.D., A.N.M.)
| | - Arkady N Murashev
- Pushchino State Natural-Science Institute, Pushchino, Russia (I.A.D., A.N.M.) Pushchino Branch, Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Pushchino, Russia (I.A.D., A.N.M.)
| | - Vyacheslav A Korshunov
- Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY (S.N.B., E.M.S., V.A.K.) Biomedical Genetics, Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY (V.A.K.)
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Sokolowski M, Wasserman J, Wasserman D. An overview of the neurobiology of suicidal behaviors as one meta-system. Mol Psychiatry 2015; 20:56-71. [PMID: 25178164 DOI: 10.1038/mp.2014.101] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 06/19/2014] [Accepted: 07/22/2014] [Indexed: 12/12/2022]
Abstract
Suicidal behaviors (SB) may be regarded as the outmost consequence of mental illnesses, or as a distinct entity per se. Regardless, the consequences of SB are very large to both society and affected individuals. The path leading to SB is clearly a complex one involving interactions between the subject's biology and environmental influences throughout life. With the aim to generate a representative and diversified overview of the different neurobiological components hypothesized or shown implicated across the entire SB field up to date by any approach, we selected and compiled a list of 212 gene symbols from the literature. An increasing number of novel gene (products) have been introduced as candidates, with half being implicated in SB in only the last 4 years. These candidates represent different neuro systems and functions and might therefore be regarded as competing or redundant explanations. We then adopted a unifying approach by treating them all as parts of the same meta-system, using bioinformatic tools. We present a network of all components connected by physical protein-protein interactions (the SB interactome). We proceeded by exploring the differences between the highly connected core (~30% of the candidate genes) and its peripheral parts, observing more functional homogeneity at the core, with multiple signal transduction pathways and actin-interacting proteins connecting a subset of receptors in nerve cell compartments as well as development/morphology phenotypes and the stress-sensitive synaptic plasticity processes of long term potentiation/depression. We suggest that SB neurobiology might also be viewed as one meta-system and perhaps be explained as intrinsic unbalances acting within the core or as imbalances arising between core and specific peripheral components.
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Affiliation(s)
- M Sokolowski
- National Centre for Suicide Research and Prevention of Mental Ill-Health (NASP), Karolinska Institute (KI), Stockholm, Sweden
| | - J Wasserman
- National Centre for Suicide Research and Prevention of Mental Ill-Health (NASP), Karolinska Institute (KI), Stockholm, Sweden
| | - D Wasserman
- 1] National Centre for Suicide Research and Prevention of Mental Ill-Health (NASP), Karolinska Institute (KI), Stockholm, Sweden [2] WHO Collaborating Centre for Research, Methods Development and Training in Suicide Prevention, Stockholm, Sweden
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Ortega PA, Manrique RD, Tovilla Zarate CA, López Jaramillo C, Cuartas JM. Clinical and Epidemiological Characteristics of Suicides Committed in Medellin, Colombia. ACTA ACUST UNITED AC 2014; 43:106-12. [PMID: 26574965 DOI: 10.1016/j.rcp.2014.02.006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Revised: 01/29/2014] [Accepted: 02/13/2014] [Indexed: 12/29/2022]
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Fatemi SH, Folsom TD, Rooney RJ, Thuras PD. Expression of GABAA α2-, β1- and ε-receptors are altered significantly in the lateral cerebellum of subjects with schizophrenia, major depression and bipolar disorder. Transl Psychiatry 2013; 3:e303. [PMID: 24022508 PMCID: PMC3784760 DOI: 10.1038/tp.2013.64] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 06/17/2013] [Accepted: 07/10/2013] [Indexed: 12/15/2022] Open
Abstract
There is abundant evidence that dysfunction of the γ-aminobutyric acid (GABA)ergic signaling system is implicated in the pathology of schizophrenia and mood disorders. Less is known about the alterations in protein expression of GABA receptor subunits in brains of subjects with schizophrenia and mood disorders. We have previously demonstrated reduced expression of GABA(B) receptor subunits 1 and 2 (GABBR1 and GABBR2) in the lateral cerebella of subjects with schizophrenia, bipolar disorder and major depressive disorder. In the current study, we have expanded these studies to examine the mRNA and protein expression of 12 GABA(A) subunit proteins (α1, α2, α3, α5, α6, β1, β2, β3, δ, ε, γ2 and γ3) in the lateral cerebella from the same set of subjects with schizophrenia (N=9-15), bipolar disorder (N=10-15) and major depression (N=12-15) versus healthy controls (N=10-15). We found significant group effects for protein levels of the α2-, β1- and ε-subunits across treatment groups. We also found a significant group effect for mRNA levels of the α1-subunit across treatment groups. New avenues for treatment, such as the use of neurosteroids to promote GABA modulation, could potentially ameliorate GABAergic dysfunction in these disorders.
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Affiliation(s)
- S H Fatemi
- Division of Neuroscience Research, Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, USA,Department of Pharmacology, University of Minnesota Medical School, Minneapolis, MN, USA,Department of Neuroscience, University of Minnesota Medical School, Minneapolis, MN, USA,Division of Neuroscience Research, Department of Psychiatry, University of Minnesota Medical School, 420 Delaware St SE, MMC 392, Minneapolis, MN 55455, USA. E-mail:
| | - T D Folsom
- Division of Neuroscience Research, Department of Psychiatry, University of Minnesota Medical School, Minneapolis, MN, USA
| | | | - P D Thuras
- Department of Psychiatry, VA Medical Center Minneapolis, MN, USA
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