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Zhang C, Rong H. Genetic Advance in Depressive Disorder. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1180:19-57. [PMID: 31784956 DOI: 10.1007/978-981-32-9271-0_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Major depressive disorder (MDD) and bipolar disorder (BPD) are both chronic, severe mood disorder with high misdiagnosis rate, leading to substantial health and economic burdens to patients around the world. There is a high misdiagnosis rate of bipolar depression (BD) just based on symptomology in depressed patients whose previous manic or mixed episodes have not been well recognized. Therefore, it is important for psychiatrists to identify these two major psychiatric disorders. Recently, with the accumulation of clinical sample sizes and the advances of methodology and technology, certain progress in the genetics of major depression and bipolar disorder has been made. This article reviews the candidate genes for MDD and BD, genetic variation loci, chromosome structural variation, new technologies, and new methods.
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Affiliation(s)
- Chen Zhang
- Division of Mood Disorders, Shanghai Mental Health Center, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Han Rong
- Department of Psychiatry, Shenzhen Kangning Hospital, Shenzhen, Guangdong, China
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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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Stewart SH, Walitzer KS, Blanco J, Swiatek D, Paine Hughes L, Quiñones-Lombraña A, Shyhalla K. Medication-enhanced behavior therapy for alcohol use disorder: Naltrexone, Alcoholics Anonymous Facilitation, and OPRM1 genetic variation. J Subst Abuse Treat 2019; 104:7-14. [PMID: 31370987 DOI: 10.1016/j.jsat.2019.05.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Revised: 05/03/2019] [Accepted: 05/03/2019] [Indexed: 01/24/2023]
Abstract
Medication-assisted behavior treatment for alcohol use disorder (AUD) holds promise to enhance the efficacy of medication and of behavior therapy when administered individually. The present study examines the treatment benefit of combined outpatient naltrexone (NTX) treatment with Alcoholics Anonymous Facilitation (AAF) behavior therapy, in the context of OPRM1 genotype. The minor OPRM1 Asp40 G-allele has been associated with greater positive reinforcing effects of alcohol consumption and greater alcohol craving, suggesting that individuals carrying the OPRM1 G allele may have an improved naltrexone response. Twenty patients, including 7 G-allele carriers, received 90 days of naltrexone with medication support and dispensing sessions, and ten AAF behavior therapy sessions. During treatment and the eight-week posttreatment follow-up, an overall increase in percent days abstinent was observed for the sample as a whole, but G-allele carriers reported relatively heavier drinking relative to other subjects. These findings suggest that this enhanced medication-assisted behavior treatment is a promising therapeutic combination, and mirror other recent findings that G-allele carriers may require more intensive treatment.
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Affiliation(s)
- Scott H Stewart
- Section on Addiction Medicine, Department of Family Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA.
| | - Kimberly S Walitzer
- Clinical and Research Institute on Addictions, University at Buffalo, Buffalo, NY, USA
| | - Javier Blanco
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Denise Swiatek
- Department of Pharmacy Practice, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, USA
| | | | - Adolfo Quiñones-Lombraña
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Kathleen Shyhalla
- Clinical and Research Institute on Addictions, University at Buffalo, Buffalo, NY, USA
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Dalvie S, King A, Fein G, Ramesar R, Stein DJ. Possible involvement of the circadian pathway in alcohol use disorder in a South African adolescent cohort. Metab Brain Dis 2016; 31:75-80. [PMID: 26446021 PMCID: PMC5478278 DOI: 10.1007/s11011-015-9744-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 10/04/2015] [Indexed: 11/26/2022]
Abstract
Alcoholism has an estimated heritability of between 40 and 60% and it is thought that several genes of small effect may contribute to the risk of developing this disorder. Studies of the genetics of alcohol use disorder (AUD) may, however, be confounded by issues of comorbidity. The aim of this investigation was to assess associations between variants in a range of candidate genes and AUD in a unique sample of adolescents without comorbidity. Our cohort consisted of 80 adolescents with an AUD diagnosis and 80 matched controls of mixed ancestry ethnicity. An Illumina Infinium iSelect custom 6000 bead chip was used to genotype 5348 SNPs in 378 candidate genes. Association analysis, gene-based analysis and polygenic scoring were performed. There was no statistical association between any of the investigated SNPs and AUD after correction for multiple testing. However, from the gene-based analysis it was found that the circadian rhythm genes NR1D1 and BHLHE41 are associated with AUD. While preliminary, these data provide some evidence that the circadian pathway may be relevant to the pathophysiology of AUD. Study of early onset non-comorbid populations with AUD may be useful in identifying target genes for study in larger more representative samples.
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Affiliation(s)
- Shareefa Dalvie
- MRC Human Genetics Research Unit, Division of Human Genetics, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa.
| | - Anthony King
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - George Fein
- Neurobehavioral Research Inc., Honolulu, HI, USA
| | - Raj Ramesar
- MRC Human Genetics Research Unit, Division of Human Genetics, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, South Africa
| | - Dan J Stein
- Department of Psychiatry and Mental Health, University of Cape Town, Cape Town, South Africa
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MAOA Variants and Genetic Susceptibility to Major Psychiatric Disorders. Mol Neurobiol 2015; 53:4319-27. [PMID: 26227907 DOI: 10.1007/s12035-015-9374-0] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2015] [Accepted: 07/21/2015] [Indexed: 12/20/2022]
Abstract
Monoamine oxidase A (MAOA) is a mitochondrial enzyme involved in the metabolism of several biological amines such as dopamine, norepinephrine, and serotonin, which are important neurochemicals in the pathogenesis of major psychiatric illnesses. MAOA is regarded as a functional plausible susceptibility gene for psychiatric disorders, whereas previous hypothesis-driven association studies obtained controversial results, a reflection of small sample size, genetic heterogeneity, or true negative associations. In addition, MAOA is not analyzed in most of genome-wide association studies (GWAS) on psychiatric disorders, since it is located on Chromosome Xp11.3. Therefore, the effects of MAOA variants on genetic predisposition to psychiatric disorders remain obscure. To fill this gap, we collected psychiatric phenotypic (schizophrenia, bipolar disorder, and major depressive disorder) and genetic data in up to 18,824 individuals from diverse ethnic groups. We employed classical fixed (or random) effects inverse variance weighted methods to calculate summary odds ratios (OR) and 95 % confidence intervals (CI). We identified a synonymous SNP rs1137070 showing significant associations with major depressive disorder (p = 0.00067, OR = 1.263 for T allele) and schizophrenia (p = 0.0039, OR = 1.225 for T allele) as well as a broad spectrum of psychiatric phenotype (p = 0.000066, OR = 1.218 for T allele) in both males and females. The effect size was similar between different ethnic populations and different gender groups. Collectively, we confirmed that MAOA is a risk gene for psychiatric disorders, and our results provide useful information toward a better understanding of genetic mechanism involving MAOA underlying risk of complex psychiatric disorders.
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Hu MC, Lee SY, Wang TY, Chang YH, Chen SL, Chen SH, Chu CH, Wang CL, Lee IH, Chen PS, Yang YK, Lu RB. Interaction of DRD2TaqI, COMT, and ALDH2 genes associated with bipolar II disorder comorbid with anxiety disorders in Han Chinese in Taiwan. Metab Brain Dis 2015; 30:755-65. [PMID: 25430946 DOI: 10.1007/s11011-014-9637-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2014] [Accepted: 11/17/2014] [Indexed: 10/24/2022]
Abstract
It is hypothesized that dopaminergic genes-dopamine type-2 receptor (DRD2), aldehyde dehydrogenase 2 (ALDH2), and catechol-O-methyltransferase (COMT)-are associated with bipolar disorder (BP) and anxiety disorder (AD). Bipolar II (BP-II) is reported to be highly comorbid with AD. We examined whether interactions among these three genes are susceptibility factors in BP-II with AD (BP-II(+AD)) and without AD (BP-II(-AD)). In this study, we hypothesize that the interaction of the dopaminergic genes between BP-II(+AD) and BP-II(-AD) is significant different. We recruited 1260 participants: 495 with BP-II(-AD), 170 with BP-II(+AD), and 595 healthy controls without BP-II or AD. Genotyping was done using polymerase chain reactions plus restriction fragment length polymorphism analysis. Genotypic frequencies of the DRD2TaqIA, COMT, and ALDH2 polymorphisms between the two BP-II groups were nonsignificant. In logistic regression, the ALDH2 and DRD2TaqIA genes showed a main effect that was protective against BP-II(-AD) (odds ratio [OR] = 0.497, p = 0.010, and OR = 0.415, p = 0.017, respectively). The interaction of DRD2TaqIA A1/A1 and ALDH2*1/*1 had a significant risk effect on the BP-II(-AD) group (OR = 7.177, p < 0.001). However, the interaction of DRD2TaqIA A1/A1, ALDH2*1/*1, and COMTMet/Met&Val/Met become a weak protective factor against BP-II(-AD) (OR = 0.205, p = 0.047). All of the significant results described above are found only in BP-II(-AD). This study supports the hypothesis the interaction of the dopaminergic genes between BP-II(+AD) and BP-II(-AD) is significant different,, and provides additional evidence that the DRD2TaqIA A1/A1, ALDH2*1/*1 and COMT genes interact in BP-II(-AD) but not in BP-II(+AD).
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Affiliation(s)
- Ming-Chuan Hu
- Institute of Behavioral Medicine, Department of Psychiatry, College of Medicine and Hospital, National Cheng Kung University, Tainan, Taiwan
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Huang CL, Ou WC, Chen PL, Liu CN, Chen MC, Lu CC, Chen YC, Lin MH, Huang CS. Effects of Interaction Between Dopamine D2 Receptor and Monoamine Oxidase A Genes on Smoking Status in Young Men. Biol Res Nurs 2015; 17:422-8. [PMID: 26015071 DOI: 10.1177/1099800415589366] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Although the effect of gene-gene interaction on nicotine-dopamine metabolism for smoking behavior has been reported, polymorphisms of dopamine D2 receptor (DRD2) and monoamine oxidase A (MAOA) have not been simultaneously examined among smokers. In this study, 481 young Taiwanese men completed a self-report questionnaire on smoking status, and data were obtained on polymorphisms of DRD2 rs1800497, DRD2 rs1079597, MAOA rs309850, and MAOA rs1137070, urinary nicotine, and urinary cotinine. In a comparison of 261 current smokers and 220 never smokers, odds ratios (ORs) for the development of smoking in all genotypes were not statistically significant. Among smokers with DRD2 rs1079597 GG//MAOA rs309850 3-repeat, the OR of heavier smoking was 2.67 times higher (95% confidence interval [CI]: [1.08, 6.59], p = .031) and the score on the Fagerstrom test for nicotine dependence was higher (4.26 vs. 2.83) than in those with DRD2 rs1079597 AA//MAOA rs309850 3-repeat. Adjusted urinary cotinine concentration was significantly different between those two groups (median value: 95.83 ng/μl vs. 133.24 ng/μl, respectively, p = .045). These findings suggest that the interaction of DRD2 rs1079597 and MAOA rs309850 3-repeat affects smoking intensity in young Taiwanese men.
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Affiliation(s)
- Chih-Ling Huang
- Department of Nursing, Chang Jung Christian University, Tainan, Taiwan
| | - Wei-Chih Ou
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Pei-Lain Chen
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Chen-Nu Liu
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Mei-Chih Chen
- Department of Medical Laboratory Science and Biotechnology, Central Taiwan University of Science and Technology, Taichung, Taiwan
| | - Chia-Chen Lu
- Department of Internal Medicine, Erhlin Christian Hospital, Changhua Christian Medical Foundation, Erhlin, Taiwan
| | - Yi-Chun Chen
- Administration Center of Research and Education, Changhua Christian Hospital, Changhua Christian Medical Foundation, Changhua, Taiwan
| | - Min-Hsuan Lin
- Administration Center of Research and Education, Changhua Christian Hospital, Changhua Christian Medical Foundation, Changhua, Taiwan
| | - Ching-Shan Huang
- Administration Center of Research and Education, Changhua Christian Hospital, Changhua Christian Medical Foundation, Changhua, Taiwan
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Oniszczenko W, Rybakowski JK, Dragan WŁ, Grzywacz A, Samochowiec J. The ADH gene cluster SNP rs1789891 and temperamental dimensions in patients with alcohol dependence and affective disorders. Scand J Psychol 2015; 56:420-7. [PMID: 26013422 DOI: 10.1111/sjop.12223] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 04/02/2015] [Indexed: 11/29/2022]
Abstract
This study had three objectives: (1) to assess the relationship between the single nucleotide polymorphism (SNP) rs1789891 in the alcohol dehydrogenase gene cluster and alcohol dependence and affective disorders; (2) to assess the differences in the Regulative Theory of Temperament (RTT) traits between an alcohol dependent group, an affective disorders group, and a healthy group; and (3) to assess the relationship between rs1789891 and temperament traits in a healthy group, taking into account the interaction of genotype and sex. The SNP rs1789891 was genotyped in a group of 194 alcohol dependent men, aged 21 to 71 years; 137 patients with affective disorders, including 51 males and 86 females, aged 19 to 85 years; and a group of 207 healthy individuals, including 89 males and 118 females, aged 18 to 71 years. Temperament traits (briskness, perseveration, sensory sensitivity, emotional reactivity, endurance, and activity) were assessed in all groups using the Formal Characteristics of Behaviour-Temperament Inventory. The comparative analysis of genotypic frequencies showed no significant differences between patients with alcoholism or affective disorders and those in the control group. Alcohol dependent men and the affective disorder group were characterised by higher levels of emotional reactivity (p-value 1.4e-5 and 9.84e-7, respectively) and lower levels of briskness, sensory sensitivity, endurance, and activity (p-value from 3.76e-8 to 0.012) when compared to the healthy group. The rs1789891 polymorphism was associated with briskness (p = 0.02), sensory sensitivity (p = 0.036), and activity (p = 0.049). None of the results were statistically significant after Bonferroni correction.
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Affiliation(s)
| | - Janusz K Rybakowski
- Department of Adult Psychiatry, Poznań University of Medical Sciences, Poznań, Poland
| | | | - Anna Grzywacz
- Department of Psychiatry, Pomeranian Medical University, Szczecin, Poland
| | - Jerzy Samochowiec
- Department of Psychiatry, Pomeranian Medical University, Szczecin, Poland
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Eslami Amirabadi MR, Rajezi Esfahani S, Davari-Ashtiani R, Khademi M, Emamalizadeh B, Movafagh A, Sadr S, Arabgol F, Darvish H, Razjoyan K. Monoamine oxidase a gene polymorphisms and bipolar disorder in Iranian population. IRANIAN RED CRESCENT MEDICAL JOURNAL 2015; 17:e23095. [PMID: 25793118 PMCID: PMC4353216 DOI: 10.5812/ircmj.23095] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/27/2014] [Revised: 09/23/2014] [Accepted: 11/09/2014] [Indexed: 11/16/2022]
Abstract
BACKGROUND Bipolar disorder (BPD) is a common and severe mood disorder. Although genetic factors have important rolesin the etiology of bipolar disorder, no specific gene has been identified in relation to this disorder. Monoamine oxidase gene is suggested to be associated with bipolar disorder in many studies. OBJECTIVES This study aimed to investigatethe role of MAOA gene polymorphisms in the etiology of bipolar disorder in Iranian population. PATIENTS AND METHODS This study is a case-control study, with convenient sampling. Three common polymorphisms, a CA microsatellite, a VNTR, and a RFLP were typed in 156 bipolar patients and 173 healthy controls. Patients were chosen from Imam Hossein General Hospital, Psychiatry Ward (Tehran/Iran). Controlsamples for this study consisted of 173 healthy individuals recruitedby convenient sampling. Allelic distributions of these polymorphisms were analyzed in bipolar and control groups to investigate any association with MAOA gene. RESULTS Significant associations were observed regarding MAOA-CA (P = 0.016) and MAOA-VNTR (P = 0.004) polymorphisms in the bipolar females. There was no association between MAOA-RFLP and bipolar disorder. CONCLUSIONS The obtained results confirm some previous studies regardinga gender specific association of MAOA gene with the bipolar disorder.
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Affiliation(s)
| | - Sepideh Rajezi Esfahani
- Behavioral Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Rozita Davari-Ashtiani
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Mojgan Khademi
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Babak Emamalizadeh
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abolfazl Movafagh
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Said Sadr
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Fariba Arabgol
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
| | - Hossein Darvish
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Corresponding Authors: Katayoon Razjoyan, Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran. Tel/fax: +98-2123872572, E-mail: ; Hossein Darvish, Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Tel/fax: +98-2123872572, E-mail: .
| | - Katayoon Razjoyan
- Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran
- Corresponding Authors: Katayoon Razjoyan, Department of Psychiatry, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, IR Iran. Tel/fax: +98-2123872572, E-mail: ; Hossein Darvish, Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran. Tel/fax: +98-2123872572, E-mail: .
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González-Castro TB, Nicolini H, Lanzagorta N, López-Narváez L, Genis A, Pool García S, Tovilla-Zárate CA. The role of brain-derived neurotrophic factor (BDNF) Val66Met genetic polymorphism in bipolar disorder: a case-control study, comorbidities, and meta-analysis of 16,786 subjects. Bipolar Disord 2015; 17:27-38. [PMID: 25041243 DOI: 10.1111/bdi.12227] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2013] [Accepted: 12/20/2013] [Indexed: 02/01/2023]
Abstract
OBJECTIVES The aim of this study was to evaluate the association of Val66Met brain-derived neurotrophic factor (BDNF) polymorphism with bipolar disorder in (i) a meta-analysis and (ii) a case-control study in a Mexican population. We also investigated the possible association of this polymorphism with clinical features. METHODS We performed a keyword search of the PubMed and Web of Science databases. A total of 22 studies that have investigated the association of Val66Met (rs6265) with bipolar disorder were selected for inclusion and combined with random effects meta-analysis, using allelic, additive, dominant, and recessive models. Finally, the single nucleotide polymorphism (rs6265) Val66Met in the BDNF gene was genotyped and compared between 139 patients with bipolar disorder and 141 healthy volunteers in a Mexican population. RESULTS The pooled results from the meta-analysis (9,349 cases and 7,437 controls) did not show a significant association in any of the models. The same results were obtained in our case-control study when analyzing the distribution of the genotypic frequencies of the Val66Met polymorphism in patients with bipolar disorder. However, when we analyzed the association between rs6265 and lifetime history of suicidal behavior, we found an association between genotype Val-Val and suicide attempt (p = 0.02). CONCLUSIONS Although the present study has some limitations, the results indicate a lack of association between the Val66Met polymorphism and bipolar disorder. However, in our case-control study in a Mexican population, the Val66Met polymorphism was associated with suicidal behavior in patients with bipolar disorder. Nevertheless, it is important to consider potential interactions of the BDNF gene, the environment, and different inheritance patterns, when carrying out future genetic studies with larger samples.
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Baek JH, Cha B, Moon E, Ha TH, Chang JS, Kim JH, Choi JE, Kang BJ, Hong KS, Ha K. The effects of ethnic, social and cultural factors on axis I comorbidity of bipolar disorder: results from the clinical setting in Korea. J Affect Disord 2014; 166:264-9. [PMID: 25012440 DOI: 10.1016/j.jad.2014.05.027] [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: 12/09/2013] [Revised: 05/19/2014] [Accepted: 05/20/2014] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Ethnic, social and cultural factors contribute to axis I comorbid conditions in bipolar disorder (BPD). Korea has strict laws against illicit drugs and a relatively permissive prevailing attitude toward alcohol. The present study aimed to explore the lifetime axis I comorbidity rate in patients with BPD in Korea. METHODS Clinically stable patients with bipolar I (n=222) and bipolar II (n=194) disorders were recruited from four tertiary medical centers in Korea. The subjects׳ diagnoses and axis I comorbid conditions were evaluated using the Structured Clinical Interview for DSM-IV Axis I Disorders (SCID) and the Korean version of the Diagnostic Interview for Genetic Studies (K-DIGS). The lifetime prevalence of anxiety disorders, substance use disorders and eating disorders was explored. The prevalence of these axis I comorbid conditions was compared with data from prior studies in other countries and to data concerning the general Korean population. RESULTS A total of 45.1% of all subjects had at least one axis I comorbid condition. Anxiety disorders (30.2%) were the most common comorbidity, followed by alcohol use disorders (16.8%). Males with BPD showed a higher rate of alcohol dependence compared to the general male population and females with BPD showed a greater risk of having alcohol use disorder compared to the general female population. The rate of drug use disorder was extremely low (1.7%), and only one subject had an illicit-drug-related problem. LIMITATION Cross-sectional studies. CONCLUSION Comorbid conditions of Korean patients with BPD showed a distinct pattern, which is associated with the ethnic, social and cultural characteristics in Korea.
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Affiliation(s)
- Ji Hyun Baek
- Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea; Department of Neuropsychiatry, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Kyunggi-Do, Republic of Korea
| | - Boseok Cha
- Department of Psychiatry, Gyeongsang National University College of Medicine, Jinju, Republic of Korea
| | - Eunsoo Moon
- Department of Psychiatry, Pusan National University College of Medicine, Pusan, Republic of Korea
| | - Tae Hyon Ha
- Department of Neuropsychiatry, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Kyunggi-Do, Republic of Korea
| | - Jae Seung Chang
- Department of Neuropsychiatry, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Kyunggi-Do, Republic of Korea
| | - Jeong Hyun Kim
- Department of Neuropsychiatry, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Kyunggi-Do, Republic of Korea
| | - Jung Eun Choi
- Department of Psychiatry, Seoul Municipal Eunpyeong Hospital, San6 Eungam2-Dong, Eunpyeong-Gu, Seoul 122-913, Republic of Korea
| | - Bong Jin Kang
- Department of Neuropsychiatry, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Kyunggi-Do, Republic of Korea
| | - Kyung Sue Hong
- Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Republic of Korea
| | - Kyooseob Ha
- Department of Neuropsychiatry, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Kyunggi-Do, Republic of Korea; Seoul National Hospital, Seoul, Republic of Korea.
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Lee SY, Chen SL, Chang YH, Lu RB. Variation of types of alcoholism: review and subtypes identified in Han Chinese. Prog Neuropsychopharmacol Biol Psychiatry 2014; 48:36-40. [PMID: 24080236 DOI: 10.1016/j.pnpbp.2013.09.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2013] [Revised: 09/17/2013] [Accepted: 09/23/2013] [Indexed: 10/26/2022]
Abstract
Alcoholism, as it has been hypothesized, is caused by a highly heterogeneous genetic load. Since 1960, many reports have used the bio-psycho-social approach to subtype alcoholism; however, no subtypes have been genetically validated. We reviewed and compared the major single-gene, multiple-gene, and gene-to-gene interaction studies on alcoholism published during the past quarter-century, including many recent studies that have made contributions to the subtyping of alcoholism. Four subtypes of alcoholism have been reported: [1] pure alcoholism, [2] anxiety/depression alcoholism, [3] antisocial alcoholism, and [4] mixed alcoholism. Most of the important studies focused on three genes: DRD2, MAOA, and ALDH2. Therefore, our review focuses on these three genes.
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Affiliation(s)
- Sheng-Yu Lee
- Department of Psychiatry, College of Medicine, National Cheng Kung University, Taiwan; Department of Psychiatry, National Cheng Kung University Hospital, Tainan, Taiwan
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