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Garcia-Quiñones JA, Sánchez-Domínguez CN, Serna-Rodríguez MF, Marino-Martínez IA, Rivas-Estilla AM, Pérez-Maya AA. Genetic Variants Associated with Suicide Risk in the Mexican Population: A Systematic Literature Review. Arch Suicide Res 2024; 28:71-89. [PMID: 36772904 DOI: 10.1080/13811118.2023.2176269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
Suicide is defined as the action of harming oneself with the intention of dying. It is estimated that worldwide, one person dies by suicide every 40 s, making it a major health problem. Studies in families have suggested that suicide has a genetic component, so the search for genetic variants associated with suicidal behavior could be useful as potential biomarkers to identify people at risk of suicide. In Mexico, some studies of gene variants related to neurotransmission and other important pathways have been carried out and potential association of variants located in the following genes has been suggested: SLC6A4, SAT-1, TPH-2, ANKK1, GSHR, SCARA50, RGS10, STK33, COMT, and FKBP5. This systematic review shows the genetic studies conducted on the Mexican population. This article contributes by compiling the existing information on genetic variants and genes associated with suicidal behavior, in the future could be used as potential biomarkers to identify people at risk of suicide.
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Kumar P, Chaudhary A, Rai V. Evaluation of the Relationship Between Dopamine Receptor D2 Gene TaqIA1 Polymorphism and Alcohol Dependence Risk. Indian J Clin Biochem 2023. [DOI: 10.1007/s12291-023-01122-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Focardi M, Gualco B, Pinchi V, Gian-Aristide N, Rensi R, Pelo E, Carboni I, Ricci U. Genetic analysis of suicide: a sample study in Tuscany (Central Italy). Forensic Sci Res 2023; 7:790-797. [PMID: 36817247 PMCID: PMC9930793 DOI: 10.1080/20961790.2020.1835156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Many studies have examined the genetic contribution to suicide. However, data on suicide in the Italian population are scarce. We therefore aimed to address this gap by investigating a cohort of 111 Italians for whom a verdict of suicide had been declared in court in Florence, Italy between 2007 and 2017. This cohort included 86 men and 25 women. DNA samples were obtained from tissues or blood, and 22 genes from multiple neurobiological pathways previously shown to be associated with the pathogenesis of suicide were analysed. Next-generation sequencing was used to compare these gene sequences with those from a large, normal population. In this study, we identified 19 gene variants that were present at significantly lower frequencies in our Italian cohort than in the general population. In addition, four missense mutations were identified in four different genes: Monoamine Oxidase A (MAOA), 5-Hydroxytryptamine Receptor 2 A (HTR2A), Sodium Voltage-Gated Channel Alpha Subunit 8 (SCN8A), and Nitric Oxide Synthase 3 (NOS3). Our study identified several potential genetic links with suicide in a cohort of Italians and supports a relationship between specific genetic variants and suicidal behaviour in this population.
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Affiliation(s)
- Martina Focardi
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Barbara Gualco
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Vilma Pinchi
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | | | - Regina Rensi
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy,CONTACT Regina Rensi
| | - Elisabetta Pelo
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Ilaria Carboni
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
| | - Ugo Ricci
- Division of Genetic Diagnostics, University Hospital “Careggi”, Florence, Italy
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Pandey S, Bolstad I, Lien L, Walby FA, Myhre MØ, Bramness JG. Sex-specific factors associated with lifetime suicide attempt among patients with alcohol use disorders. BJPsych Open 2022; 8:e135. [PMID: 35848151 PMCID: PMC9346164 DOI: 10.1192/bjo.2022.545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Patients with alcohol use disorder (AUD) are at high risk for suicide attempts. Mental health problems along with AUD-related factors may contribute to this increased risk. Studies have shown sex differences in rates and correlates of suicide attempts. AIMS The purpose of the study was to examine mental-health-related and AUD-related factors associated with suicide attempt separately in female and male AUD patients. METHOD We collected information about lifetime suicide attempt and mental-health- and AUD-related factors for AUD in-patients (n = 114; 32 females) receiving rehabilitative treatment. RESULTS The prevalence of lifetime suicide attempt was 27%, and the rate was similar in both sexes. Among females, current depressive symptoms and current post-traumatic stress disorder diagnosis were associated with suicide attempt. In male AUD patients, among the mental-health-related factors, lifetime major depression, panic disorder, social phobia, childhood sexual abuse and antisocial personality disorder were associated with suicide attempt. In addition, AUD-related factors including longer duration of drinking, history of delirium tremens, greater severity of AUD and lower levels of prolactin were associated with suicide attempt in males. CONCLUSIONS Our results indicate that suicide attempts in female AUD patients were more mental-health-related, whereas those in males were also related to the severity of AUD. This suggests that a suicide prevention programme for AUD patients would benefit from a sex-based understanding of the risk factors.
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Affiliation(s)
- Susmita Pandey
- Norwegian National Advisory Unit on Concurrent Substance Abuse and Mental Health Disorders, Innlandet Hospital Trust, Hamar, Norway; and Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Ingeborg Bolstad
- Norwegian National Advisory Unit on Concurrent Substance Abuse and Mental Health Disorders, Innlandet Hospital Trust, Hamar, Norway
| | - Lars Lien
- Norwegian National Advisory Unit on Concurrent Substance Abuse and Mental Health Disorders, Innlandet Hospital Trust, Hamar, Norway; and Department of Health and Social Science, Innlandet University of Applied Science, Elverum, Norway
| | - Fredrik A Walby
- National Centre for Suicide Research and Prevention, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Martin Øverlien Myhre
- National Centre for Suicide Research and Prevention, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Jørgen G Bramness
- Norwegian National Advisory Unit on Concurrent Substance Abuse and Mental Health Disorders, Innlandet Hospital Trust, Hamar, Norway; Department of Clinical Medicine, UiT - Norway's Arctic University, Tromsø, Norway; and Norwegian Institute of Public Health, Oslo, Norway
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Sanabrais-Jiménez MA, Aguilar-García A, Hernández-Muñoz S, Sarmiento E, Ulloa RE, Jiménez-Anguiano A, Camarena B. Association study of Catechol-O-Methyltransferase ( COMT) rs4680 Val158Met gene polymorphism and suicide attempt in Mexican adolescents with major depressive disorder. Nord J Psychiatry 2022; 76:202-206. [PMID: 34342556 DOI: 10.1080/08039488.2021.1945682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AIM We analyzed the association between SLC6A4, DRD2, COMT and MAOA genes and suicide attempt (SA) in Mexican adolescent patients with major depressive disorder (MDD). METHODS The sample included 197 adolescents (127 females and 70 males) with principal diagnosis of MDD. Among them, 63 patients had SA at least once and 134 had not SA. The mean age of patients with and without SA was 15 ± 1.4 and 14 ± 1.5 years, respectively. We analyzed the genotype and allele distribution between patients with and without SA of SLC6A4 (5HTTLPR/rs25531), DRD2 (rs6275), COMT (rs4680), and MAOA (uVNTR). RESULTS We did not find genotype or allele association between SA and SLC6A4 (χ2=0.67, p = 0.71; χ2=0.07, p = 0.77, respectively), DRD2 (χ2=0.05, p = 0.97; χ2=0.003, p = 0.95), and MAOA (females: χ2=0.86, p = 0.64; χ2=0, p = 1/males: χ2=0.008, p = 0.92) genes. However, there were differences in genotype frequencies of COMT/rs4680 between patients with SA and without SA (χ2=11.17, p = 0.003). Also, we observed a high frequency of Met158 allele showing an increased risk of having presented at least one SA (χ2=10.6, p = 0.001; OR = 1.43; 95% CI, 1.17-1.74). CONCLUSIONS Our findings showed an association between low activity genotype and allele of Val158Met polymorphism of COMT gene and SA in Mexican adolescents with MDD.
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Affiliation(s)
| | - Alejandro Aguilar-García
- Departamento de Farmacogenética, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Mexico City, Mexico
| | - Sandra Hernández-Muñoz
- Departamento de Farmacogenética, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Mexico City, Mexico
| | - Emmanuel Sarmiento
- Hospital Psiquiátrico Infantil "Juan N. Navarro", Secretaría de Salud, Mexico City, Mexico
| | - Rosa E Ulloa
- Hospital Psiquiátrico Infantil "Juan N. Navarro", Secretaría de Salud, Mexico City, Mexico
| | - Anabel Jiménez-Anguiano
- Área de Neurociencias, Departamento de Biología de la Reproducción, Universidad Autónoma Metropolitana-Iztapalapa, Mexico City, Mexico
| | - Beatriz Camarena
- Departamento de Farmacogenética, Instituto Nacional de Psiquiatría "Ramón de la Fuente Muñiz", Mexico City, Mexico
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SLC6A3 ( DAT1) as a Novel Candidate Biomarker Gene for Suicidal Behavior. Genes (Basel) 2021; 12:genes12060861. [PMID: 34199792 PMCID: PMC8227035 DOI: 10.3390/genes12060861] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 12/02/2022] Open
Abstract
It has been previously shown that the serotonin and dopamine neurotransmitter systems might influence the predisposition to suicidal behavior. This study aims to estimate the contribution of 11 polymorphisms in the genes SLC6A4 (5HTT), HTR1A, HTR2A, HTR1B, SLC6A3 (DAT1), DRD4, DRD2, COMT, and BDNF to suicidal behavior and severity of symptoms of depression and anxiety in the Russian population. The study was performed on 100 patients with repeated suicide attempts and 154 controls. We first found an association between SLC6A3 (DAT1) 40 bp VNTR locus and suicidal behavior. This association was significant; when using the codominant (p = 0.006), dominant (p = 0.001), overdominant (p = 0.004), and log-additive (p = 0.004) models, LL genotype played a protective role (OR = 0.48, 0.29–0.82, p = 0.005). Difference in the distribution of COMT rs4680 genotypes was significant in the codominant (p = 0.04), dominant (p = 0.013), and log-additive (p = 0.02) models, and AA genotype might protect against suicide (OR = 0.49, 0.26–0.91, p = 0.025). SLC6A4 5-HTTLPR + rs25531 locus was significant in the recessive model (p = 0.024), and also affected the severity of symptoms of depression (p = 0.044) and personal anxiety (p = 0.029). Our results suggest that allelic variants of SLC6A3, COMT, and SLC6A4 genes might be considered as risk factors for suicidal attempts.
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Karimian SS, Akbari MT, Sadr SS, Javadi G. Association of Candidate Single Nucleotide Polymorphisms Related to Candidate Genes in Patients With Schizophrenia. Basic Clin Neurosci 2021; 11:595-608. [PMID: 33643553 PMCID: PMC7878058 DOI: 10.32598/bcn.9.10.470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 06/10/2018] [Accepted: 04/06/2019] [Indexed: 11/20/2022] Open
Abstract
Introduction: Schizophrenia is a chronic heterogenic neurodevelopment disorder. Many genes interfere in the development of SCZ. All four genes, NrCAM, PRODH, ANK3, and ANKK1, which were evaluated in this study, were previously reported to be associated with Schizophrenia. The NrCAM contributes to creating cognitive deficiencies through the CAM’s signaling pathway. PRODH plays a vital role in creating SCZ negative symptoms through the signaling pathway of glutamatergic and NMDA receptors. ANK3 affects ion channel and molecular adhesion in Ranvier and initial segments of axons, leading to mental retardation, sleep disorder, and SCZ. ANKK1 encodes a protein kinase and was reported to be associated with alcohol addiction, Attention Deficit Hyperactivity Disorder (ADHD), and SCZ. Methods: The subjects were selected from Schizophrenic patients referring to the Psychiatric Ward of Imam-Hussein Hospital and Schizophrenic Patients Support Institution (AHEBBA). 95 (30 Schizoaffective patients, 57 Paranoid patients, and 8 disorganized) patients were recruited as the subjects in the present case-control association study. 120 healthy subjects were recruited from the Tehran Medical Genetics Laboratory staff and a group of students from the Islamic Azad University of Science and Research in Tehran. The genotypes were determined with molecular genotyping techniques of PCR-RFLP, ARMS-PCR, and Cycle sequencing. Results were analyzed by the Chi-Square test using SPSS V. 24 and R, SNP STATE Package to investigate significant differences between cases and controls. Results: The incidence of schizophrenia was 68% and 32% among men and women, respectively. The evaluation of the allelic association between schizophrenia and all the candidate SNPs showed a significant association between NrCAM’s SNP rs10235968 and SCZ (P=0.001). Haplotype T, T, C in rs10235968, rs6967368, rs3763463, respectively, within the NrCAM gene, showed significant association with schizophrenia disorder (P=0.0001). Conclusion: No association was found between other candidate SNPs and SCZ among the subjects.
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Affiliation(s)
- Seyedeh Sara Karimian
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Mohammad Taghi Akbari
- Department of Medical Genetics, Faculty of Medical Sciences, Tarbiat Modarres University, Tehran, Iran.,Tehran Medical Genetics Laboratory, Tehran, Iran
| | - Seyed Saeed Sadr
- Department of Psychiatry, Imam Hussein Hospital, Shahid Beheshti University, Tehran, Iran
| | - Gholamreza Javadi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
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Icick R, Bloch V, Prince N, Karsinti E, Lépine JP, Laplanche JL, Mouly S, Marie-Claire C, Brousse G, Bellivier F, Vorspan F. Clustering suicidal phenotypes and genetic associations with brain-derived neurotrophic factor in patients with substance use disorders. Transl Psychiatry 2021; 11:72. [PMID: 33479229 PMCID: PMC7820499 DOI: 10.1038/s41398-021-01200-5] [Citation(s) in RCA: 3] [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] [Received: 12/03/2019] [Revised: 06/13/2020] [Accepted: 07/03/2020] [Indexed: 11/09/2022] Open
Abstract
Suicide attempts (SA), especially recurrent SA or serious SA, are common in substance use disorders (SUD). However, the genetic component of SA in SUD samples remains unclear. Brain-derived neurotrophic factor (BDNF) alleles and levels have been repeatedly involved in stress-related psychopathology. This investigation uses a within-cases study of BDNF and associated factors in three suicidal phenotypes ('any', 'recurrent', and 'serious') of outpatients seeking treatment for opiate and/or cocaine use disorder. Phenotypic characterization was ascertained using a semi-structured interview. After thorough quality control, 98 SNPs of BDNF and associated factors (the BDNF pathway) were extracted from whole-genome data, leaving 411 patients of Caucasian ancestry, who had reliable data regarding their SA history. Binary and multinomial regression with the three suicidal phenotypes were further performed to adjust for possible confounders, along with hierarchical clustering and compared to controls (N = 2504). Bayesian analyses were conducted to detect pleiotropy across the suicidal phenotypes. Among 154 (37%) ever suicide attempters, 104 (68%) reported at least one serious SA and 96 (57%) two SA or more. The median number of non-tobacco SUDs was three. The BDNF gene remained associated with lifetime SA in SNP-based (rs7934165, rs10835210) and gene-based tests within the clinical sample. rs10835210 clustered with serious SA. Bayesian analysis identified genetic correlation between 'any' and 'serious' SA regarding rs7934165. Despite limitations, 'serious' SA was shown to share both clinical and genetic risk factors of SA-not otherwise specified, suggesting a shared BDNF-related pathophysiology of SA in this population with multiple SUDs.
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Affiliation(s)
- Romain Icick
- Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis-Lariboisière-Fernand Widal, Paris, France. .,INSERM U1144, "Therapeutic Optimization in Neuropsychopharmacology", Paris, France. .,Université de Paris, Inserm UMR-S1144, Paris, France.
| | - Vanessa Bloch
- grid.50550.350000 0001 2175 4109Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis–Lariboisière–Fernand Widal, Paris, France ,grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,Université de Paris, Inserm UMR-S1144, Paris, France
| | - Nathalie Prince
- grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,Université de Paris, Inserm UMR-S1144, Paris, France
| | - Emily Karsinti
- grid.50550.350000 0001 2175 4109Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis–Lariboisière–Fernand Widal, Paris, France ,grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,ED139, Paris Nanterre University, Nanterre, France
| | - Jean-Pierre Lépine
- grid.50550.350000 0001 2175 4109Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis–Lariboisière–Fernand Widal, Paris, France ,grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,Université de Paris, Inserm UMR-S1144, Paris, France
| | - Jean-Louis Laplanche
- grid.50550.350000 0001 2175 4109Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis–Lariboisière–Fernand Widal, Paris, France
| | - Stéphane Mouly
- grid.50550.350000 0001 2175 4109Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis–Lariboisière–Fernand Widal, Paris, France ,grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,Université de Paris, Inserm UMR-S1144, Paris, France
| | - Cynthia Marie-Claire
- grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,Université de Paris, Inserm UMR-S1144, Paris, France
| | - Georges Brousse
- grid.494717.80000000115480420Inserm UMR-1107, Neuro-Dol, Université Clermont-Auvergne, Clermont-Ferrand, France
| | - Frank Bellivier
- grid.50550.350000 0001 2175 4109Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis–Lariboisière–Fernand Widal, Paris, France ,grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,Université de Paris, Inserm UMR-S1144, Paris, France
| | - Florence Vorspan
- grid.50550.350000 0001 2175 4109Assistance Publique-Hôpitaux de Paris (AP-HP), Groupe Hospitalier Saint-Louis–Lariboisière–Fernand Widal, Paris, France ,grid.7429.80000000121866389INSERM U1144, “Therapeutic Optimization in Neuropsychopharmacology”, Paris, France ,Université de Paris, Inserm UMR-S1144, Paris, France
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Gareeva AE, Badretdinov UG, Akhmetova EA, Kinyasheva KO, Nasibullin TR, Samigullina LI, Timerbulatov IF, Timerbulatova MF, Asadullin AR. [The role of genetic factors in the development of suicidal behavior in individuals with dependence on synthetic cathinones]. Zh Nevrol Psikhiatr Im S S Korsakova 2020; 120:69-77. [PMID: 33244961 DOI: 10.17116/jnevro202012010169] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To identify polymorphisms in the genes of dopaminergic and serotonergic systems associated with the risk of suicidal behavior in individuals with dependence on synthetic cathinones. MATERIAL AND METHODS One hundred and eighty-two men with the diagnosis of Substance dependence (ICD-10 F15) tested positive for metabolites of synthetic cathinones (a-PVP, MDPV) in the urine were studied. Genotyping was performed for rs1800497 DRD2, rs4646984 DRD4, VNTR 40 b.p. SLC6A3, rs27072 SLC6A3, rs6313 HTR2A and rs6296 HTR1B using PCR and RFLP technique. RESULTS AND CONCLUSION It was found that the genes of the serotonergic system HTR2A and HTR1B are predictors of the development of some endophenotypes of suicidal behavior in individuals with dependence on synthetic cathinones.
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Affiliation(s)
- A E Gareeva
- Bashkir State Medical University, Ufa, Russia.,Institute of Biochemistry and Genetics, the Russian Academy of Sciences, Ufa, Russia
| | | | | | - K O Kinyasheva
- Institute of Biochemistry and Genetics, the Russian Academy of Sciences, Ufa, Russia
| | - T R Nasibullin
- Institute of Biochemistry and Genetics, the Russian Academy of Sciences, Ufa, Russia
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Hill SY, Jones BL, Haas GL. Suicidal ideation and aggression in childhood, genetic variation and young adult depression. J Affect Disord 2020; 276:954-962. [PMID: 32745832 PMCID: PMC7484359 DOI: 10.1016/j.jad.2020.07.049] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 06/01/2020] [Accepted: 07/05/2020] [Indexed: 12/26/2022]
Abstract
BACKGROUND Suicidal thoughts and behaviors have been studied in association with a variety of risk factors. The aim of the present study was to determine if levels of child/adolescent aggression and/or variation in candidate genes previously associated with suicidal behaviors in adults would influence the presence of suicidal ideation in childhood/adolescence, and to determine if ideation was associated with young adult depression. METHODS A longitudinal study of children, adolescents and young adults who were at high or low risk for alcohol and other substance use disorders by familial background were assessed. The Child Behavior Checklist (CBCL) aggression scale scores with derived subtypes (physical and relational) and genetic variation (ANKK1, DRD2, COMT, SLC6A4, HTR2C) were used as predictors of the presence and onset of suicidal ideation in childhood using survival analysis. Structural equation models (SEM) were fit to determine the relative importance of the predictors controlling for background variables. RESULTS CBCL aggression was significantly associated with child/adolescent suicidal ideation. One SNP in the ANKK1 gene (rs1800497), one in the HTR2C gene (rs6318), and two haplotypes, AAAC in the ANKK1-DRD2 complex and the CCC haplotype of the HTR2C gene, were significantly associated with the presence and onset of child/adolescent suicidal ideation. Follow up in young adulthood showed a significant relationship between suicidal ideation in childhood/adolescence and young adult depression. CONCLUSIONS Genetic variation and presence of elevated aggression scores from the childhood CBCL are significant predictors of childhood suicidal ideation. Suicidal ideation in childhood and being female are predictors of young adult depression.
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Affiliation(s)
- Shirley Y. Hill
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA 15213,Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA 15213,Department of Human Genetics, University of Pittsburgh, Pittsburgh, PA USA 15213
| | - Bobby L. Jones
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA 15213
| | - Gretchen L. Haas
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA 15213,Department of Psychology, University of Pittsburgh, Pittsburgh, PA, USA 15213,VA Pittsburgh Healthcare System, Pittsburgh, PA USA 15213
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Grzywacz A, Suchanecka A, Chmielowiec J, Chmielowiec K, Szumilas K, Masiak J, Balwicki Ł, Michałowska-Sawczyn M, Trybek G. Personality Traits or Genetic Determinants-Which Strongly Influences E-Cigarette Users? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17010365. [PMID: 31948125 PMCID: PMC6981659 DOI: 10.3390/ijerph17010365] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/02/2020] [Accepted: 01/03/2020] [Indexed: 12/21/2022]
Abstract
Presently, a growing popularity of electronic cigarettes may be observed. Used as a means of obtaining nicotine they allow to substitute traditional cigarettes. The origins of substance use disorders are conditioned by dopaminergic signaling which influences motivational processes being elementary factors conditioning the process of learning and exhibiting goal-directed behaviors. The study concentrated on analysis of three polymorphisms located in the dopamine receptor 2 (DRD2) gene—rs1076560, rs1799732 and rs1079597 using the PCR method, personality traits determined with the Big Five Questionnaire, and anxiety measured with the State Trait Anxiety Inventory. The study was conducted on a group of 394 volunteers, consisting e-cigarette users (n = 144) and controls (n = 250). Compared to the controls the case group subjects achieved significantly higher scores in regard to the STAI state and the trait scale, as well as the NEO-FFI Neuroticism and Openness scale. Likewise, in the case of the STAI state for DRD2 rs1076560 significant differences were found. Furthermore, while comparing the groups (e-cigarette users vs. controls) we noticed interactions for the NEO FFI Neuroticism and DRD2 rs1076560. The same was observed in the case of interactions significance while comparing groups (e-cigarette users vs. controls) for the STAI trait/scale and DRD2 rs1799732. Findings from this study demonstrate that psychological factors and genetic determinants should be analyzed simultaneously and comprehensively while considering groups of addicted patients. Since the use, and rapid increase in popularity, of electronic cigarettes has implications for public health, e-cigarette users should be studied holistically, especially younger groups of addicted and experimenting users.
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Affiliation(s)
- Anna Grzywacz
- Independent Laboratory of Health Promotion of the Pomeranian Medical University in Szczecin, 11 Chlapowskiego St., 70-204 Szczecin, Poland;
- Correspondence:
| | - Aleksandra Suchanecka
- Independent Laboratory of Health Promotion of the Pomeranian Medical University in Szczecin, 11 Chlapowskiego St., 70-204 Szczecin, Poland;
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (J.C.); (K.C.)
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Collegium Medicum, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland; (J.C.); (K.C.)
| | - Kamila Szumilas
- Department of Physiology, Pomeranian Medical University in Szczecin, Powstańców Wlkp.72, 70-111 Szczecin, Poland;
| | - Jolanta Masiak
- Neurophysiological Independent Unit, Department of Psychiatry, Medical University of Lublin, 20-093 Lublin, Poland;
| | - Łukasz Balwicki
- Department of Public Health and Social Medicine, Medical University of Gdansk, 42A Zwyciestwa St., 80-210 Gdansk, Poland;
| | | | - Grzegorz Trybek
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, 72 Powstańców Wlkp. St., 70-111 Szczecin, Poland;
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Jung Y, Montel RA, Shen PH, Mash DC, Goldman D. Assessment of the Association of D2 Dopamine Receptor Gene and Reported Allele Frequencies With Alcohol Use Disorders: A Systematic Review and Meta-analysis. JAMA Netw Open 2019; 2:e1914940. [PMID: 31702801 PMCID: PMC6902783 DOI: 10.1001/jamanetworkopen.2019.14940] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
IMPORTANCE The association between the D2 dopamine receptor gene (DRD2) Taq1A locus (rs1800497) and alcohol use disorder (AUD) is enduring but the subject of long-standing controversy; meta-analysis of studies across 3 decades shows an association between rs1800497 and AUD, but genome-wide analyses have detected no role for rs1800497 in any phenotype. No evidence has emerged that rs1800497, which is located in ANKK1, perturbs the expression or function of DRD2. OBJECTIVE To resolve contradictions in previous studies by identifying hidden confounders and assaying for functional effects of rs1800497 and other loci in the DRD2 region. DATA SOURCES PubMed (882 studies), Embase (1056 studies), and Web of Science (501 studies) databases were searched through August 2018. Three clinical populations-Finnish, Native American, and African American participants-were genotyped for 208 to 277 informative single-nucleotide polymorphisms (SNPs) across the DRD2 region to test the associations of SNPs in this region with AUD. STUDY SELECTION Eligible studies had diagnosis of AUD made by accepted criteria, reliable genotyping methods, sufficient genotype data to calculate odds ratios and 95% CIs, and availability of control allele frequencies or genotype frequencies. DATA EXTRACTION AND SYNTHESIS After meta-analysis of 62 studies, metaregression was performed to detect between-study heterogeneity and to explore the effects of moderators, including deviations of cases and controls from allele frequencies in large population databases (ExAC and 1000 Genomes). Linkage to AUD and the effect on gene expression of rs1800497 were evaluated in the context of other SNPs in the DRD2 region. Data analysis was performed from August 2018 to March 2019. This study follows the Preferred Reporting Items for Systematic Reviews and Meta-analyses reporting guideline. MAIN OUTCOMES AND MEASURES The effects of rs1800497 and other SNPs in the DRD2 region on gene expression were measured in human postmortem brain samples via differential allelic expression and evaluated in other tissues via publicly available expression quantitative locus data. RESULTS A total of 62 studies of DRD2 and AUD with 16 294 participants were meta-analyzed. The rs1800497 SNP was associated with AUD (odds ratio, 1.23; 95% CI, 1.14-1.31; P < .001). However, the association was attributable to spuriously low allele frequencies in controls in positive studies, which also accounted for some between-study heterogeneity (I2 = 43%; 95% CI, 23%-58%; Q61 = 107.20). Differential allelic expression of human postmortem brain and analysis of expression quantitative loci in public data revealed that a cis-acting locus or loci perturb the DRD2 transcript level; however, rs1800497 does not and is not in strong disequilibrium with such a locus. Across the DRD2 region, other SNPs are more strongly associated with AUD than rs1800497, although no DRD2 SNP was significantly associated in these 3 clinical samples. CONCLUSIONS AND RELEVANCE In this meta-analysis, the significant association of DRD2 with AUD was reassessed. The DRD2 association was attributable to anomalously low control allele frequencies, not function, in positive studies. For genetic studies, statistical replication is not verification.
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Affiliation(s)
- Yonwoo Jung
- Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, Maryland
| | - Rachel A. Montel
- Department of Biological Sciences, Seton Hall University, South Orange, New Jersey
| | - Pei-Hong Shen
- Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, Maryland
| | - Deborah C. Mash
- Department of Neurology and Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, Florida
| | - David Goldman
- Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, Maryland
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Rockville, Maryland
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Zucca M, Rubino E, Vacca A, Govone F, Gai A, De Martino P, Boschi S, Gentile S, Giordana MT, Rainero I. High Risk of Suicide in Behavioral Variant Frontotemporal Dementia. Am J Alzheimers Dis Other Demen 2019; 34:265-271. [PMID: 30558441 PMCID: PMC10852495 DOI: 10.1177/1533317518817609] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
AIM The purpose of the study was to determine the prevalence of suicidal ideation and attempts in patients with behavioral variant frontotemporal dementia (bvFTD), evaluating possible risk factors for suicidality. METHODS Risk of suicide was assessed using the Scale for Suicide Ideation (SSI) in 35 patients with bvFTD and 25 controls. RESULTS According to SSI, 40% of patients with bvFTD had suicidal ideation in comparison to 8% of controls ( P = .009). Four patients with bvFTD have attempted suicide versus none control ( P = .006). Patients with bvFTD with suicide risk showed higher levels of anxiety, depression, stress, and hopelessness than patients without suicide risk ( P < .001). Patients who attempted suicide were younger and had a longer disease duration than those with only suicide ideation. Intriguingly, 40% of patients with parkinsonism presented high level of suicide ideation. CONCLUSIONS Our findings show that patients with bvFTD have a high risk of suicide. Additional studies in larger populations are needed to confirm our results.
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Affiliation(s)
- Milena Zucca
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Elisa Rubino
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Alessandro Vacca
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Flora Govone
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Annalisa Gai
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Paola De Martino
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Silvia Boschi
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), University of Florence, Florence, Italy
| | - Salvatore Gentile
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Maria Teresa Giordana
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
| | - Innocenzo Rainero
- Department of Neuroscience “Rita Levi Montalcini,” Aging Brain and Memory Clinic, University of Torino, Torino, Italy
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14
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Genis-Mendoza AD, López-Narvaez ML, Tovilla-Zárate CA, Sarmiento E, Chavez A, Martinez-Magaña JJ, González-Castro TB, Hernández-Díaz Y, Juárez-Rojop IE, Ávila-Fernández Á, Nicolini H. Association between Polymorphisms of the DRD2 and ANKK1 Genes and Suicide Attempt: A Preliminary Case-Control Study in a Mexican Population. Neuropsychobiology 2018; 76:193-198. [PMID: 29966133 DOI: 10.1159/000490071] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 05/15/2018] [Indexed: 01/11/2023]
Abstract
BACKGROUND The aim of this study was to analyze the possible association of polymorphic variants of the DRD2 and ANKK1 genes with suicide attempt in a Mexican population. METHODS We conducted a case-control study in 289 subjects (166 suicide attempters and 123 healthy controls). We genotyped 2 polymorphisms of DRD2 (rs6275 and rs1799978) and 1 polymorphism of ANKK1 (rs1800497); then we analyzed the association between suicide attempt and these polymorphisms through genotypes, alleles, and inheritance models. RESULTS Individuals who carried the TT genotype of the rs1800497 showed a 3-fold risk of attempting suicide (OR = 3.01; 95% CI 1.56-5.81, p = 0.001) when evaluated through the recessive model. In an analysis stratified by gender, this risk factor remained present among females (OR = 2.81; 95% CI 1.37-5.75) as well as males (OR = 3.3; 95% CI 1.01-10.77). CONCLUSION Our results suggest that the rs1800497 variant of the ANKK1 gene could increase the risk of suicide attempt in a Mexican population. However, further studies using larger samples are necessary to obtain more conclusive results.
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Affiliation(s)
| | | | | | - Emmanuel Sarmiento
- Hospital Psiquiátrico Infantil Juan N. Navarro, Secretaría de Salud, Mexico City, Mexico
| | - Adriana Chavez
- Hospital Psiquiátrico Infantil Juan N. Navarro, Secretaría de Salud, Mexico City, Mexico
| | | | - Thelma Beatriz González-Castro
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, Mexico
| | - Yazmín Hernández-Díaz
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, Mexico
| | - Isela Esther Juárez-Rojop
- División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, Mexico
| | - Ángela Ávila-Fernández
- División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, Mexico
| | - Humberto Nicolini
- Instituto Nacional de Medicina Genómica (INMEGEN), Mexico City, Mexico
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Blum K, Badgaiyan RD, Dunston GM, Baron D, Modestino EJ, McLaughlin T, Steinberg B, Gold MS, Gondré-Lewis MC. The DRD2 Taq1A A1 Allele May Magnify the Risk of Alzheimer's in Aging African-Americans. Mol Neurobiol 2018; 55:5526-5536. [PMID: 28965318 PMCID: PMC5878111 DOI: 10.1007/s12035-017-0758-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Accepted: 08/27/2017] [Indexed: 12/11/2022]
Abstract
Alzheimer's disease is an irreversible, progressive brain disorder that slowly destroys cognitive skills and the ability to perform the simplest tasks. More than 5 million Americans are afflicted with Alzheimer's; a disorder which ranks third, just behind heart disease and cancer, as a cause of death for older people. With no real cure and in spite of enormous efforts worldwide, the disease remains a mystery in terms of treatment. Importantly, African-Americans are two times as likely as Whites to develop late-onset Alzheimer's disease and less likely to receive timely diagnosis and treatment. Dopamine function is linked to normal cognition and memory and carriers of the DRD2 Taq1A A1 allele have significant loss of D2 receptor density in the brain. Recent research has shown that A1 carriers have worse memory performance during long-term memory (LTM) updating, compared to non-carriers or A2-carriers. A1carriers also show less blood oxygen level-dependent (BOLD) activation in the left caudate nucleus which is important for LTM updating. This latter effect was only seen in older adults, suggesting magnification of genetic effects on brain functioning in the elderly. Moreover, the frequency of the A1 allele is 0.40 in African-Americans, with an approximate prevalence of the DRD2 A1 allele in 50% of an African-American subset of individuals. This is higher than what is found in a non-screened American population (≤ 28%) for reward deficiency syndrome (RDS) behaviors. Based on DRD2 known genetic polymorphisms, we hypothesize that the DRD2 Taq1A A1 allele magnifies the risk of Alzheimer's in aging African-Americans. Research linking this high risk for Alzheimer's in the African-American population, with DRD2/ANKK1-TaqIA polymorphism and neurocognitive deficits related to LTM, could pave the way for novel, targeted pro-dopamine homeostatic treatment.
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Affiliation(s)
- Kenneth Blum
- Department of Psychiatry & McKnight Brain Institute, University of Florida College of Medicine, Gainesville, FL, USA
- Department of Psychiatry and Behavioral Sciences, Keck Medicine University of Southern California, Los Angeles, CA, USA
- Division of Applied Clinical Research & Education, Dominion Diagnostics, LLC, North Kingstown, RI, USA
- Department of Neurogenetics, Igene, LLC, Austin, TX, USA
- Division of Reward Deficiency Syndrome and Addiction Therapy, Nupathways, Inc., Innsbrook, MO, USA
- Department of Clinical Neurology, Path Foundation, New York, NY, USA
- Division of Neuroscience Based Addiction Therapy, The Shores Treatment & Recovery Center, Port Saint Lucie, FL, USA
- Eötvös Loránd University, Institute of Psychology, Budapest, Hungary
- Department of Psychiatry and Behavioral Health, Richmond University Medical Center, 355 Bard Avenue, Staten Island, NY, 10310, USA
- NeuroPsychoSocial Genomics Core, National Human Genome Center, Howard University, Washington, DC, USA
| | - Rajendra D Badgaiyan
- Department of Psychiatry and Behavioral Health, Richmond University Medical Center, 355 Bard Avenue, Staten Island, NY, 10310, USA
| | - Georgia M Dunston
- NeuroPsychoSocial Genomics Core, National Human Genome Center, Howard University, Washington, DC, USA
| | - David Baron
- Department of Psychiatry and Behavioral Sciences, Keck Medicine University of Southern California, Los Angeles, CA, USA
| | | | | | | | - Mark S Gold
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Marjorie C Gondré-Lewis
- NeuroPsychoSocial Genomics Core, National Human Genome Center, Howard University, Washington, DC, USA.
- Developmental Neuropsychopharmacology Laboratory, Department of Anatomy, Howard University College of Medicine, Washington, DC, USA.
- Department of Psychiatry and Behavioral Sciences, Howard University College of Medicine, Washington, DC, USA.
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