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Yang J, Wang H, Chen H, Hou H, Hu Q. The association of genetic polymorphisms within the dopaminergic system with nicotine dependence: A narrative review. Heliyon 2024; 10:e33158. [PMID: 39021905 PMCID: PMC11253068 DOI: 10.1016/j.heliyon.2024.e33158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2023] [Revised: 06/08/2024] [Accepted: 06/14/2024] [Indexed: 07/20/2024] Open
Abstract
Nicotine, the main compound in cigarettes, leads to smoking addiction. Nicotine acts on the limbic dopamine reward loop in the midbrain by binding to nicotinic acetylcholine receptors, promoting the release of dopamine, and resulting in a rewarding effect or satisfaction. This satisfaction is essential for continued and compulsive tobacco use, and therefore dopamine plays a crucial role in nicotine dependence. Numerous studies have identified genetic polymorphisms of dopaminergic pathways which may influence susceptibility to nicotine addiction. Dopamine levels are greatly influenced by synthesis, storage, release, degradation, and reuptake-related genes, including genes encoding tyrosine hydroxylase, dopamine decarboxylase, dopamine transporter, dopamine receptor, dopamine 3-hydroxylase, catechol-O-methyltransferase, and monoamine oxidase. In this paper, we review research progress on the effects of polymorphisms in the above genes on downstream smoking behavior and nicotine dependence, to offer a theoretical basis for the elucidation of the genetic mechanism underlying nicotine dependence and future personalized treatment for smoking cessation.
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Affiliation(s)
- Jingjing Yang
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Hongjuan Wang
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Huan Chen
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Hongwei Hou
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
| | - Qingyuan Hu
- China National Tobacco Quality Supervision & Test Center, Zhengzhou, 450001, China
- Key Laboratory of Tobacco Biological Effects, Zhengzhou, 450001, China
- Beijing Life Science Academy, Beijing, 102209, China
- Key Laboratory of Tobacco Biological Effects and Biosynthesis, Beijing, 102209, China
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2
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Guo H, Zhao Q, Wang H, Zhu S, Dong H, Xie X, Wang L, Chen L, Han H. Molecular characterization and functional analysis of Eimeria tenella ankyrin repeat-containing protein. Eur J Protistol 2024; 94:126089. [PMID: 38749182 DOI: 10.1016/j.ejop.2024.126089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 06/14/2024]
Abstract
Chicken coccidiosis causes disastrous losses to the poultry industry all over the world. Eimeria tenella is the most prevalent of these disease-causing species. Our former RNA-seq indicated that E. tenella ankyrin repeat-containing protein (EtANK) was expressed differently between drug-sensitive (DS) and drug-resistant strains. In this study, we cloned EtANK and analyzed its translational and transcriptional levels using quantitative real-time PCR (qPCR) and western blotting. The data showed that EtANK was significantly upregulated in diclazuril-resistant (DZR) strain and maduramicin-resistant (MRR) strain compared with the drug-sensitive (DS) strain. In addition, the transcription levels in the DZR strains isolated from the field were higher than in the DS strain. The translation levels of EtANK were higher in unsporulated oocysts (UO) than in sporozoites (SZ), sporulated oocysts (SO), or second-generation merozoites (SM), and the protein levels in SM were significantly higher than in UO, SO, and SZ. The results of the indirect immunofluorescence localization showed that the protein was distributed mainly at the anterior region of SZ and on the surface and in the cytoplasm of SM. The fluorescence intensity increased further with its development in vitro. An anti-rEtANK polyclonal antibody inhibited the invasive ability of E. tenella in DF-1 cells. These results showed that EtANK may be related to host cell invasion, required for the parasite's growth in the host, and may be involved in the development of E. tenella resistance to some drugs.
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Affiliation(s)
- Huilin Guo
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Qiping Zhao
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Haixia Wang
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Shunhai Zhu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Hui Dong
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Xinrui Xie
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Lihui Wang
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Lang Chen
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China
| | - Hongyu Han
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Key Laboratory of Animal Parasitology of Ministry of Agriculture, Minhang, Shanghai 200241, PR China.
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3
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Moctezuma B, Santiago Á, Burguete-García A, Martínez-Barnetche J, Morales-Gómez C, Hernandez-Chavez C, Gil G, Peterson KE, Tellez-Rojo MM, Lamadrid-Figueroa H. Single nucleotide polymorphisms of ANKK1, DDR4, and GRIN2B genes predict behavior in a prospective cohort of Mexican children and adolescents. Int J Dev Neurosci 2024. [PMID: 38530142 DOI: 10.1002/jdn.10326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/10/2024] [Accepted: 02/13/2024] [Indexed: 03/27/2024] Open
Abstract
Numerous studies have established associations between single nucleotide polymorphisms (SNPs) and various behavioral and neurodevelopmental conditions. This study explores the links between SNPs in candidate genes involved in central nervous system (CNS) physiology and their implications for the behavioral and emotional aspects in children and teenagers. A total of 590 participants, aged 7-15 years, from the Early Life Exposures In Mexico To Environmental Toxicants (ELEMENT) cohort study in Mexico City, underwent genotyping for at least one of 15 CNS gene-related SNPs at different timepoints. We employed multiple linear regression models to assess the potential impact of genetic variations on behavioral and cognitive traits, as measured by the Behavioral Assessment System for Children (BASC) and Conners parent rating scales. Significant associations were observed, including the rs1800497 TC genotype (ANKK1) with the Cognitive Problems/Inattention variable (p value = 0.003), the rs1800955 CT genotype (DDR4) with the Emotional Lability Global index variable (p value = 0.01), and the rs10492138 GA and rs7970177 TC genotypes (GRIN2B) with the Depression variable (p values 0.007 and 0.012, respectively). These finds suggest potential genetic profiles associated with "risk" and "protective" behaviors for these SNPs. Our results provide valuable insights into the role of genetic variations in neurobehavior and highlight the need for further research in the early identification and intervention in individuals at risk for these conditions.
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Affiliation(s)
- Barbara Moctezuma
- School of Public Health of Mexico, National Institute of Public Health, Cuernavaca, Mexico
| | - Ángel Santiago
- Department of Perinatal Health, National Institute of Public Health, Cuernavaca, Mexico
| | - Ana Burguete-García
- Center for Population Health Research, National Institute of Public Health, Cuernavaca, Mexico
| | | | - Claudia Morales-Gómez
- Epidemiologic Surveillance, Mexican Institute of Social Security-Bienestar, Mexico City, Mexico
| | - Carmen Hernandez-Chavez
- Department of Developmental Neurobiology, National Institute of Perinatology, Mexico City, Mexico
| | - Gabriela Gil
- Department of Developmental Neurobiology, National Institute of Perinatology, Mexico City, Mexico
| | - Karen E Peterson
- Nutritional Sciences Department, School of Public Health, University of Michigan, Ann Arbor, Michigan, USA
| | - Martha M Tellez-Rojo
- Center for Research in Nutrition and Health, National Institute of Public Health, Cuernavaca, Mexico
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4
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Reynolds RH, Wagen AZ, Lona-Durazo F, Scholz SW, Shoai M, Hardy J, Gagliano Taliun SA, Ryten M. Local genetic correlations exist among neurodegenerative and neuropsychiatric diseases. NPJ Parkinsons Dis 2023; 9:70. [PMID: 37117178 PMCID: PMC10147945 DOI: 10.1038/s41531-023-00504-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 03/27/2023] [Indexed: 04/30/2023] Open
Abstract
Genetic correlation ([Formula: see text]) between traits can offer valuable insight into underlying shared biological mechanisms. Neurodegenerative diseases overlap neuropathologically and often manifest comorbid neuropsychiatric symptoms. However, global [Formula: see text] analyses show minimal [Formula: see text] among neurodegenerative and neuropsychiatric diseases. Importantly, local [Formula: see text] s can exist in the absence of global relationships. To investigate this possibility, we applied LAVA, a tool for local [Formula: see text] analysis, to genome-wide association studies of 3 neurodegenerative diseases (Alzheimer's disease, Lewy body dementia and Parkinson's disease) and 3 neuropsychiatric disorders (bipolar disorder, major depressive disorder and schizophrenia). We identified several local [Formula: see text] s missed in global analyses, including between (i) all 3 neurodegenerative diseases and schizophrenia and (ii) Alzheimer's and Parkinson's disease. For those local [Formula: see text] s identified in genomic regions containing disease-implicated genes, such as SNCA, CLU and APOE, incorporation of expression quantitative trait loci identified genes that may drive genetic overlaps between diseases. Collectively, we demonstrate that complex genetic relationships exist among neurodegenerative and neuropsychiatric diseases, highlighting putative pleiotropic genomic regions and genes. These findings imply sharing of pathogenic processes and the potential existence of common therapeutic targets.
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Affiliation(s)
- Regina H Reynolds
- Genetics and Genomic Medicine, Great Ormond Street Institute of Child Health, University College London, London, UK.
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.
| | - Aaron Z Wagen
- Genetics and Genomic Medicine, Great Ormond Street Institute of Child Health, University College London, London, UK
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, London, UK
- Neurodegeneration Biology Laboratory, The Francis Crick Institute, London, UK
| | - Frida Lona-Durazo
- Montréal Heart Institute, Montréal, QC, Canada
- Faculty of Medicine, Université de Montréal, Montréal, Canada
| | - Sonja W Scholz
- Neurodegenerative Diseases Research Unit, National Institute of Neurological Disorders and Stroke, Bethesda, MD, USA
- Department of Neurology, Johns Hopkins University Medical Center, Baltimore, MD, USA
| | - Maryam Shoai
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
- Department of Neurodegenerative Diseases, Queen Square Institute of Neurology, University College London, London, UK
- UK Dementia Research Institute, University College London, London, UK
| | - John Hardy
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA
- Department of Neurodegenerative Diseases, Queen Square Institute of Neurology, University College London, London, UK
- UK Dementia Research Institute, University College London, London, UK
| | - Sarah A Gagliano Taliun
- Montréal Heart Institute, Montréal, QC, Canada
- Department of Medicine & Department of Neurosciences, Université de Montréal, Montréal, QC, Canada
| | - Mina Ryten
- Genetics and Genomic Medicine, Great Ormond Street Institute of Child Health, University College London, London, UK.
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, MD, USA.
- NIHR Great Ormond Street Hospital Biomedical Research Centre, University College London, London, UK.
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5
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Li J, Ouyang L, Liu X, Wang Q, Min Z, Liu G, Zhong Y, Zhang N, Wang C, Liu N. The influence of NOS1AP gene polymorphisms and childhood abuse on antisocial personality disorder in Chinese male violent inmates. Personal Ment Health 2022; 17:184-193. [PMID: 36463909 DOI: 10.1002/pmh.1572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 11/02/2022] [Accepted: 11/13/2022] [Indexed: 12/07/2022]
Abstract
Antisocial personality disorder (ASPD) is a common behavioral pattern that causes sufferers to ignore or violate the rights of others. Though its cause is still unclear, previous studies have shown that childhood maltreatment is closely related to ASPD. The NOS1AP gene is associated with various neuropsychiatric diseases, but a linkage between it and ASPD has not yet been discovered. This study recruited ASPD and non-ASPD male subjects who had committed violent crimes from a prison in Nanjing, China. By comparing the two groups' genotypes, allele frequencies, and histories of childhood abuse, we explored the interaction between the NOS1AP gene and childhood maltreatment on the pathogenesis of ASPD. The results showed that polymorphism rs945713 in the NOS1AP gene was associated with ASPD and furthermore that this SNP may be involved in regulating the effect of childhood abuse on ASPD. This study found that childhood trauma increases the risk of ASPD in violent adult male inmates; for prisoners with ASPD, it is critical to pay attention to their childhood trauma and take early psychological intervention.
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Affiliation(s)
- Jinyang Li
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Lichen Ouyang
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xinyao Liu
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Qiuyu Wang
- Jiangsu Health Vocational College, Nanjing, Jiangsu, China
| | - Zhang Min
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,School of Psychology, Nanjing Normal University, Nanjing, Jiangsu, China
| | - Gang Liu
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,Cognitive Behavioral Therapy Institute of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yuan Zhong
- School of Psychology, Nanjing Normal University, Nanjing, Jiangsu, China
| | - Ning Zhang
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,Cognitive Behavioral Therapy Institute of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Chun Wang
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China.,Cognitive Behavioral Therapy Institute of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Na Liu
- The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
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6
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Park JY, Lengacher CA, Reich RR, Park HY, Whiting J, Nguyen AT, Rodríguez C, Meng H, Tinsley S, Chauca K, Gordillo-Casero L, Wittenberg T, Joshi A, Lin K, Ismail-Khan R, Kiluk JV, Kip KE. Translational Genomic Research: The Association between Genetic Profiles and Cognitive Functioning or Cardiac Function Among Breast Cancer Survivors Completing Chemotherapy. Biol Res Nurs 2022; 24:433-447. [PMID: 35499926 PMCID: PMC9630728 DOI: 10.1177/10998004221094386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Introduction: Emerging evidence suggests that Chemotherapy (CT) treated breast cancer survivors (BCS) who have "risk variants" in genes may be more susceptible to cognitive impairment (CI) and/or poor cardiac phenotypes. The objective of this preliminary study was to examine whether there is a relationship between genetic variants and objective/subjective cognitive or cardiac phenotypes. Methods and Analysis: BCS were recruited from Moffitt Cancer Center, Morsani College of Medicine, AdventHealth Tampa and Sarasota Memorial Hospital. Genomic DNA were collected at baseline for genotyping analysis. A total of 16 single nucleotide polymorphisms (SNPs) from 14 genes involved in cognitive or cardiac function were evaluated. Three genetic models (additive, dominant, and recessive) were used to test correlation coefficients between genetic variants and objective/subjective measures of cognitive functioning and cardiac outcomes (heart rate, diastolic blood pressure, systolic blood pressure, respiration rate, and oxygen saturation). Results: BCS (207 participants) with a mean age of 56 enrolled in this study. The majority were non-Hispanic white (73.7%), married (63.1%), and received both CT and radiation treatment (77.3%). Three SNPs in genes related to cognitive functioning (rs429358 in APOE, rs1800497 in ANKK1, rs10119 in TOMM40) emerged with the most consistent significant relationship with cognitive outcomes. Among five candidate SNPs related to cardiac functioning, rs8055236 in CDH13 and rs1801133 in MTHER emerged with potential significant relationships with cardiac phenotype. Conclusions: These preliminary results provide initial targets to further examine whether BCS with specific genetic profiles may preferentially benefit from interventions designed to improve cognitive and cardiac functioning following CT.
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Affiliation(s)
- Jong Y. Park
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | | | - Richard R. Reich
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Hyun Y. Park
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Junmin Whiting
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Anh Thy Nguyen
- Department of Epidemiology and
Biostatistics, USF College of Public Health, University of South
Florida, Tampa, FL, USA
| | | | - Hongdao Meng
- School of Aging Studies, College of
Behavioral and Community Sciences, University of South
Floridaa, Tampa, FL, USA
| | - Sara Tinsley
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | | | | | | | - Anisha Joshi
- University of South Florida College
of Nursing, Tampa, FL, USA
| | - Katherine Lin
- University of South Florida College
of Nursing, Tampa, FL, USA
| | - Roohi Ismail-Khan
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | - John V. Kiluk
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Kevin E. Kip
- UPMC Health Services
Division, Pittsburgh, PA, USA
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7
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Baratto SSP, Meger MN, Camargo V, Nolasco GMC, Mattos NHR, Roskamp L, Stechman-Neto J, Madalena IR, Küchler EC, Baratto-Filho F. Temporomandibular disorder in construction workers associated with ANKK1 and DRD2 genes. Braz Dent J 2022; 33:12-20. [PMID: 36043564 PMCID: PMC9645185 DOI: 10.1590/0103-6440202204963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 07/06/2022] [Indexed: 11/30/2022] Open
Abstract
The study aimed to explore the influence of genetic polymorphisms in ANKK1 and
DRD2 on the signs and symptoms of temporomandibular disorder (TMD) in
construction workers. This cross-sectional study included only male subjects.
All construction workers were healthy and over 18 years age. Illiterate workers
and functionally illiterate workers were excluded. The diagnosis of TMD was
established according to the Research Diagnostic Criteria for TMD (RDC/TMD).
Genomic DNA was used to evaluate the genetic polymorphisms ANKK1 (rs1800497) and
DRD2 (rs6275; rs6276) using Real-Time PCR. Chi-square or Fisher exact tests were
used to evaluate genotypes and allele distribution among the studied phenotypes.
The established alpha of this study was 5%. The sample included a total of 115
patients. The age of the patients ranged from 19 to 70 years (mean age 38.2;
standard deviation 11.7). Chronic pain (87.7%), disc displacement (38.2%), and
joint inflammation (26.9%) were the most frequently observed signs and symptoms.
The genetic polymorphism rs6276 in DRD2 was associated with chronic pain
(p=0.033). In conclusion, our study suggests that genetic polymorphisms in DRD2
and ANKK1 may influence TMD signs and symptoms in a group of male construction
workers.
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Affiliation(s)
| | | | - Vânia Camargo
- School of Health Sciences, Positivo University, Curitiba, Paraná, Brazil
| | | | | | - Liliane Roskamp
- School of Dentistry, University of Tuiuti of Paraná, Curitiba, Paraná, Brazil
| | - José Stechman-Neto
- School of Dentistry, University of Tuiuti of Paraná, Curitiba, Paraná, Brazil
| | - Isabela Ribeiro Madalena
- School of Dentistry, University of the Joinville Region, Joinville, Santa Catarina, Brazil.,School of Dentistry, Presidente Tancredo de Almeida Neves University Center, São João del Rei, Minas Gerais, Brazil.,Department of Restorative Dentistry, School of Dentistry, Federal University of Juiz de Fora, Juiz de Fora, Minas Gerais, Brazil
| | - Erika Calvano Küchler
- School of Dentistry, University of Tuiuti of Paraná, Curitiba, Paraná, Brazil.,Department of Orthodontics, University of Regensburg, Regensburg, Germany
| | - Flares Baratto-Filho
- School of Dentistry, University of Tuiuti of Paraná, Curitiba, Paraná, Brazil.,School of Dentistry, University of the Joinville Region, Joinville, Santa Catarina, Brazil
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8
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Nonino CB, Barato M, Ferreira FC, Delfino HBP, Noronha NY, Nicoletti CF, Junior WS, Welendorf CR, Souza DRS, Ferreira-Julio MA, Watanabe LM, de Souza Pinhel MA. DRD2 and BDNF polymorphisms are associated with binge eating disorder in patients with weight regain after bariatric surgery. Eat Weight Disord 2022; 27:1505-1512. [PMID: 34478125 DOI: 10.1007/s40519-021-01290-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Accepted: 08/06/2021] [Indexed: 12/23/2022] Open
Abstract
AIM The aim of this study was to analyze the association and susceptibility of Single Nucleotide Polymorphisms (SNPs) in the DRD2 and BDNF genes with BED in patients with weight regain in the postoperative period of bariatric surgery. METHODS One hundred and seventy-seven individuals who underwent bariatric surgery with weight regain were evaluated and divided into two groups according to the BED diagnostic. The individuals were submitted to an anthropometric evaluation, analysis of the presence of BED using a validated questionnaire, and blood collection for genotyping of the polymorphisms rs6265 (BDNF) and rs1800497 (DRD2) by real-time polymerase chain reaction (RT-PCR). RESULTS The presence of wild-type alleles for rs1800497 (CC) and rs6265 (GG) was more frequent in patients without BED. Nevertheless, the presence of one or two variant alleles for rs1800497 (CT + TT) and rs6265 (GA + AA) was more frequent in patients with BED. The combination of the two studied SNPs prevailed in patients with BED. CONCLUSIONS The presence of allele frequency of rs1800497 SNP in the DRD2 gene and rs6265 SNP in the BDNF gene, isolated and/or combined, indicated an additional risk for the development of BED in patients with obesity, especially in the context of weight regain. LEVEL OF EVIDENCE III (evidence obtained from the case-control analytic study).
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Affiliation(s)
- Carla Barbosa Nonino
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil.
| | - Mariana Barato
- Department of Molecular Biology, Sao Jose Do Rio Preto Medical School, São José Do Rio Preto, SP, Brazil
| | - Flávia Campos Ferreira
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Heitor Bernardes Pereira Delfino
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Natalia Yumi Noronha
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Carolina Ferreira Nicoletti
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Wilson Salgado Junior
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, Ribeirão Preto, SP, Brazil
| | - Caroline Rossi Welendorf
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Doroteia Rossi Silva Souza
- Department of Molecular Biology, Sao Jose Do Rio Preto Medical School, São José Do Rio Preto, SP, Brazil
| | | | - Ligia Moriguchi Watanabe
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
| | - Marcela Augusta de Souza Pinhel
- Laboratory of Nutrigenomic Studies, FMRP/USP, Department of Health Sciences, Ribeirao Preto Medical School, University of Sao Paulo, Av Bandeirantes, 3900, Monte Alegre, Ribeirão Preto, SP, 14049-900, Brazil
- Department of Molecular Biology, Sao Jose Do Rio Preto Medical School, São José Do Rio Preto, SP, Brazil
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9
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Ruiz-Tejada A, Neisewander J, Katsanos CS. Regulation of Voluntary Physical Activity Behavior: A Review of Evidence Involving Dopaminergic Pathways in the Brain. Brain Sci 2022; 12:brainsci12030333. [PMID: 35326289 PMCID: PMC8946175 DOI: 10.3390/brainsci12030333] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/23/2022] [Accepted: 02/26/2022] [Indexed: 02/04/2023] Open
Abstract
Physical activity leads to well-established health benefits. Current efforts to enhance physical activity have targeted mainly socioeconomic factors. However, despite these efforts, only a small number of adults engage in regular physical activity to the point of meeting current recommendations. Evidence collected in rodent models and humans establish a strong central nervous system component that regulates physical activity behavior. In particular, dopaminergic pathways in the central nervous system are among the best-characterized biological mechanisms to date with respect to regulating reward, motivation, and habit formation, which are critical for establishing regular physical activity. Herein, we discuss evidence for a role of brain dopamine in the regulation of voluntary physical activity behavior based on selective breeding and pharmacological studies in rodents, as well as genetic studies in both rodents and humans. While these studies establish a role of dopamine and associated mechanisms in the brain in the regulation of voluntary physical activity behavior, there is clearly need for more research on the underlying biology involved in motivation for physical activity and the formation of a physical activity habit. Such knowledge at the basic science level may ultimately be translated into better strategies to enhance physical activity levels within the society.
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10
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Leggieri A, García-González J, Torres-Perez JV, Havelange W, Hosseinian S, Mech AM, Keatinge M, Busch-Nentwich EM, Brennan CH. Ankk1 Loss of Function Disrupts Dopaminergic Pathways in Zebrafish. Front Neurosci 2022; 16:794653. [PMID: 35210987 PMCID: PMC8861280 DOI: 10.3389/fnins.2022.794653] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/12/2022] [Indexed: 11/13/2022] Open
Abstract
Ankyrin repeat and kinase domain containing 1 (ANKK1) is a member of the receptor-interacting protein serine/threonine kinase family, known to be involved in cell proliferation, differentiation and activation of transcription factors. Genetic variation within the ANKK1 locus is suggested to play a role in vulnerability to addictions. However, ANKK1 mechanism of action is still poorly understood. It has been suggested that ANKK1 may affect the development and/or functioning of dopaminergic pathways. To test this hypothesis, we generated a CRISPR-Cas9 loss of function ankk1 zebrafish line causing a 27 bp insertion that disrupts the ankk1 sequence introducing an early stop codon. We found that ankk1 transcript levels were significantly lower in ankk1 mutant (ankk127ins) fish compared to their wild type (ankk1+/+) siblings. In ankk1+/+ adult zebrafish brain, ankk1 protein was detected in isocortex, hippocampus, basolateral amygdala, mesencephalon, and cerebellum, resembling the mammalian distribution pattern. In contrast, ankk1 protein was reduced in the brain of ankk127ins/27ins fish. Quantitative polymerase chain reaction analysis revealed an increase in expression of drd2b mRNA in ankk127ins at both larval and adult stages. In ankk1+/+ adult zebrafish brain, drd2 protein was detected in cerebral cortex, cerebellum, hippocampus, and caudate homolog regions, resembling the pattern in humans. In contrast, drd2 expression was reduced in cortical regions of ankk127ins/27ins being predominantly found in the hindbrain. No differences in the number of cell bodies or axonal projections detected by anti-tyrosine hydroxylase immunostaining on 3 days post fertilization (dpf) larvae were found. Behavioral analysis revealed altered sensitivity to effects of both amisulpride and apomorphine on locomotion and startle habituation, consistent with a broad loss of both pre and post synaptic receptors. Ankk127ins mutants showed reduced sensitivity to the effect of the selective dopamine receptor antagonist amisulpride on locomotor responses to acoustic startle and were differentially sensitive to the effects of the non-selective dopamine agonist apomorphine on both locomotion and habituation. Taken together, our findings strengthen the hypothesis of a functional relationship between ANKK1 and DRD2, supporting a role for ANKK1 in the maintenance and/or functioning of dopaminergic pathways. Further work is needed to disentangle ANKK1’s role at different developmental stages.
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Affiliation(s)
- Adele Leggieri
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, United Kingdom
| | - Judit García-González
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Jose V. Torres-Perez
- Department of Brain Sciences, UK Dementia Research Institute, Imperial College London, London, United Kingdom
| | - William Havelange
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, United Kingdom
| | - Saeedeh Hosseinian
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, United Kingdom
| | - Aleksandra M. Mech
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, United Kingdom
| | - Marcus Keatinge
- Centre for Discovery Brain Sciences, The University of Edinburgh, Edinburgh, United Kingdom
| | - Elisabeth M. Busch-Nentwich
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, United Kingdom
- Department of Medicine, Cambridge Institute of Therapeutic Immunology and Infectious Disease, University of Cambridge, Cambridge, United Kingdom
| | - Caroline H. Brennan
- School of Biological and Behavioural Sciences, Queen Mary University of London, London, United Kingdom
- *Correspondence: Caroline H. Brennan,
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11
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Levy AM, Paschou P, Tümer Z. Candidate Genes and Pathways Associated with Gilles de la Tourette Syndrome-Where Are We? Genes (Basel) 2021; 12:1321. [PMID: 34573303 PMCID: PMC8468358 DOI: 10.3390/genes12091321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 08/05/2021] [Accepted: 08/25/2021] [Indexed: 12/21/2022] Open
Abstract
Gilles de la Tourette syndrome (GTS) is a childhood-onset neurodevelopmental and -psychiatric tic-disorder of complex etiology which is often comorbid with obsessive-compulsive disorder (OCD) and/or attention deficit hyperactivity disorder (ADHD). Twin and family studies of GTS individuals have shown a high level of heritability suggesting, that genetic risk factors play an important role in disease etiology. However, the identification of major GTS susceptibility genes has been challenging, presumably due to the complex interplay between several genetic factors and environmental influences, low penetrance of each individual factor, genetic diversity in populations, and the presence of comorbid disorders. To understand the genetic components of GTS etiopathology, we conducted an extensive review of the literature, compiling the candidate susceptibility genes identified through various genetic approaches. Even though several strong candidate genes have hitherto been identified, none of these have turned out to be major susceptibility genes yet.
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Affiliation(s)
- Amanda M. Levy
- Kennedy Center, Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, 2600 Glostrup, Denmark;
| | - Peristera Paschou
- Department of Molecular Biology and Genetics, Democritus University of Thrace, 68100 Alexandroupolis, Greece;
- Department of Biological Sciences, Purdue University, West Lafayette, IN 47907, USA
| | - Zeynep Tümer
- Kennedy Center, Department of Clinical Genetics, Copenhagen University Hospital, Rigshospitalet, 2600 Glostrup, Denmark;
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
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12
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Richter A, de Boer L, Guitart-Masip M, Behnisch G, Seidenbecher CI, Schott BH. Motivational learning biases are differentially modulated by genetic determinants of striatal and prefrontal dopamine function. J Neural Transm (Vienna) 2021; 128:1705-1720. [PMID: 34302222 PMCID: PMC8536632 DOI: 10.1007/s00702-021-02382-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Accepted: 07/04/2021] [Indexed: 01/20/2023]
Abstract
Dopaminergic neurotransmission plays a pivotal role in appetitively motivated behavior in mammals, including humans. Notably, action and valence are not independent in motivated tasks, and it is particularly difficult for humans to learn the inhibition of an action to obtain a reward. We have previously observed that the carriers of the DRD2/ANKK1 TaqIA A1 allele, that has been associated with reduced striatal dopamine D2 receptor expression, showed a diminished learning performance when required to learn response inhibition to obtain rewards, a finding that was replicated in two independent cohorts. With our present study, we followed two aims: first, we aimed to replicate our finding on the DRD2/ANKK1 TaqIA polymorphism in a third independent cohort (N = 99) and to investigate the nature of the genetic effects more closely using trial-by-trial behavioral analysis and computational modeling in the combined dataset (N = 281). Second, we aimed to assess a potentially modulatory role of prefrontal dopamine availability, using the widely studied COMT Val108/158Met polymorphism as a proxy. We first report a replication of the above mentioned finding. Interestingly, after combining all three cohorts, exploratory analyses regarding the COMT Val108/158Met polymorphism suggest that homozygotes for the Met allele, which has been linked to higher prefrontal dopaminergic tone, show a lower learning bias. Our results corroborate the importance of genetic variability of the dopaminergic system in individual learning differences of action-valence interaction and, furthermore, suggest that motivational learning biases are differentially modulated by genetic determinants of striatal and prefrontal dopamine function.
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Affiliation(s)
- Anni Richter
- Department of Behavioral Neurology, Leibniz Institute for Neurobiology, Brenneckestr. 6, 39118, Magdeburg, Germany.
| | - Lieke de Boer
- Ageing Research Centre, Karolinska Institute, Stockholm, Sweden
- Max Planck Institute for Human Development, Center for Lifespan Psychology, Berlin, Germany
| | - Marc Guitart-Masip
- Ageing Research Centre, Karolinska Institute, Stockholm, Sweden
- Max Planck UCL Centre for Computational Psychiatry and Ageing Research, University College London, London, UK
| | - Gusalija Behnisch
- Department of Behavioral Neurology, Leibniz Institute for Neurobiology, Brenneckestr. 6, 39118, Magdeburg, Germany
| | - Constanze I Seidenbecher
- Department of Behavioral Neurology, Leibniz Institute for Neurobiology, Brenneckestr. 6, 39118, Magdeburg, Germany
- Center for Behavioral Brain Sciences, Magdeburg, Germany
| | - Björn H Schott
- Department of Behavioral Neurology, Leibniz Institute for Neurobiology, Brenneckestr. 6, 39118, Magdeburg, Germany
- Center for Behavioral Brain Sciences, Magdeburg, Germany
- Department of Psychiatry and Psychotherapy, University Medicine Göttingen, Göttingen, Germany
- Department of Neurology, University of Magdeburg, Magdeburg, Germany
- German Center for Neurodegenerative Diseases (DZNE), Göttingen, Germany
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13
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Pérez-Santamarina E, García-Ruiz P, Martínez-Rubio D, Ezquerra M, Pla-Navarro I, Puente J, Martí MJ, Palau F, Hoenicka J. Regulatory rare variants of the dopaminergic gene ANKK1 as potential risk factors for Parkinson's disease. Sci Rep 2021; 11:9879. [PMID: 33972609 PMCID: PMC8110570 DOI: 10.1038/s41598-021-89300-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 04/22/2021] [Indexed: 12/22/2022] Open
Abstract
Parkinson’s disease (PD) is characterized by cerebral dopamine depletion that causes motor and cognitive deficits. The dopamine-related gene ANKK1 has been associated with neuropsychiatric disorders with a dopaminergic deficiency in the striatum. This study aims to define the contribution of ANKK1 rare variants in PD. We found in 10 out of 535 PD patients 6 ANKK1 heterozygous rare alleles located at the 5′UTR, the first exon, intron 1, and the nearby enhancer located 2.6 kb upstream. All 6 ANKK1 single nucleotide variants were located in conserved regulatory regions and showed significant allele-dependent effects on gene regulation in vitro. ANKK1 variant carriers did not show other PD-causing Mendelian mutations. Nevertheless, four patients were heterozygous carriers of rare variants of ATP7B gene, which is related to catecholamines. We also found an association between the polymorphic rs7107223 of the ANKK1 enhancer and PD in two independent clinical series (P = 0.007 and 0.021). rs7107223 functional analysis showed significant allele-dependent effects on both gene regulation and dopaminergic response. In conclusion, we have identified in PD patients functional variants at the ANKK1 locus highlighting the possible relevance of rare variants and non-coding regulatory regions in both the genetics of PD and the dopaminergic vulnerability of this disease.
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Affiliation(s)
- Estela Pérez-Santamarina
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, Madrid, Spain.,Centro de Investigación Príncipe Felipe (CIPF), Valencia, Spain.,University of East Anglia, Norwich, UK
| | - Pedro García-Ruiz
- Unit of Movement Disorders, Department of Neurology, Fundación Jimenez Díaz, Madrid, Spain
| | - Dolores Martínez-Rubio
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, Madrid, Spain.,Centro de Investigación Príncipe Felipe (CIPF), Valencia, Spain.,Unit of Rare Neurodegenerative Diseases, CIPF, Valencia, Spain.,Rare Diseases Joint Units, CIPF-IIS La Fe and INCLIVA, Valencia, Spain
| | - Mario Ezquerra
- Laboratory of Neurodegenerative Disorders, Department of Neurology, Hospital Clínic of Barcelona, IDIBAPS, Barcelona, Spain
| | | | | | - María José Martí
- Movement Disorders Unit, Department of Neurology, Hospital Clínic of Barcelona, IDIBAPS, Barcelona, Spain
| | - Francesc Palau
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, Madrid, Spain.,Laboratory of Neurogenetics and Molecular Medicine, Neurogenetics and Molecular Medicine Research Group, Institut de Recerca Sant Joan de Déu, C/ Santa Rosa 39-57, Esplugues de Llobrega, 08950, tBarcelona, Spain.,Department of Genetic Medicine, Hospital Sant Joan de Déu, Barcelona, Spain.,ICMID, Hospital Clínic, and Division of Pediatrics, University of Barcelona School of Medicine and Health Sciences, Barcelona, Spain
| | - Janet Hoenicka
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, Madrid, Spain. .,Laboratory of Neurogenetics and Molecular Medicine, Neurogenetics and Molecular Medicine Research Group, Institut de Recerca Sant Joan de Déu, C/ Santa Rosa 39-57, Esplugues de Llobrega, 08950, tBarcelona, Spain.
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14
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Genetic variants in levodopa-induced dyskinesia (LID): A systematic review and meta-analysis. Parkinsonism Relat Disord 2021; 84:52-60. [DOI: 10.1016/j.parkreldis.2021.01.020] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 01/25/2021] [Accepted: 01/25/2021] [Indexed: 12/17/2022]
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15
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Tubbs JD, Ding J, Baum L, Sham PC. Systemic neuro-dysregulation in depression: Evidence from genome-wide association. Eur Neuropsychopharmacol 2020; 39:1-18. [PMID: 32896454 DOI: 10.1016/j.euroneuro.2020.08.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 06/10/2020] [Accepted: 08/17/2020] [Indexed: 12/16/2022]
Abstract
Depression is the world's leading cause of disability. Greater understanding of the neurobiological basis of depression is necessary for developing novel treatments with improved efficacy and acceptance. Recently, major advances have been made in the search for genetic variants associated with depression which may help to elucidate etiological mechanisms. The present review has two major objectives. First, we offer a brief review of two major biological systems with strong evidence for involvement in depression pathology: neurotransmitter systems and the stress response. Secondly, we provide a synthesis of the functions of the 269 genes implicated by the most recent genome-wide meta-analysis, supporting the importance of these systems in depression and providing insights into other possible mechanisms involving neurodevelopment, neurogenesis, and neurodegeneration. Our goal is to undertake a broad, preliminary stock-taking of the most recent hypothesis-free findings and examine the weight of the evidence supporting these existing theories and highlighting novel directions. This qualitative review and accompanying gene function table provides a valuable resource and guide for basic and translational researchers, with suggestions for future mechanistic research, leveraging genetics to prioritize studies on the neurobiological processes involved in depression etiology and treatment.
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Affiliation(s)
- Justin D Tubbs
- Department of Psychiatry, The University of Hong Kong, Hong Kong
| | - Jiahong Ding
- Department of Psychiatry, The University of Hong Kong, Hong Kong
| | - Larry Baum
- Department of Psychiatry, The University of Hong Kong, Hong Kong; State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong
| | - Pak C Sham
- Department of Psychiatry, The University of Hong Kong, Hong Kong; State Key Laboratory of Brain and Cognitive Sciences, The University of Hong Kong, Hong Kong; Centre of PanorOmic Sciences, The University of Hong Kong, Hong Kong.
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16
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Fedorenko OY, Paderina DZ, Loonen AJM, Pozhidaev IV, Boiko AS, Kornetova EG, Bokhan NA, Wilffert B, Ivanova SA. Association of ANKK1 polymorphism with antipsychotic-induced hyperprolactinemia. Hum Psychopharmacol 2020; 35:e2737. [PMID: 32383805 PMCID: PMC7507142 DOI: 10.1002/hup.2737] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVE Schizophrenia is a severe highly heritable mental disorder. Genetic polymorphisms of dopaminergic pathways are related to pathogenesis of drug response. Hyperprolactinemia (HPRL), a common adverse effect of antipsychotics, is attributed to blockade of dopamine D2 receptors. Ankyrin Repeat and Kinase Domain containing 1 (ANKK1) gene is closely related to Dopamine Receptor D2 type (DRD2) gene functioning. We examined whether the functional polymorphism rs2734849 in the ANKK1 gene is associated with antipsychotic-induced HPRL. METHODS We recruited 446 patients with schizophrenia from among the Russian population of the Siberian region. The polymorphism rs2734849 in the ANKK1 gene was genotyped with The MassARRAY® Analyzer 4 by Agena Bioscience™, using the kit SEQUENOM Consumables iPLEXGold 384. Genotype and allele frequencies were compared between groups of schizophrenia patients with and without HPRL using the χ2 test. RESULTS A comparison between schizophrenia patients with and without HPRL revealed significantly higher frequency of the C allele of the polymorphic variant rs2734849 in the ANKK1 gene in patients with HPRL as compared to the patients without it (χ2 = 3.70; p = .05; odds ratio [OR] = 1.30 [0.99-1.69]). CONCLUSION The functional polymorphism rs2734849 in the ANKK1 gene was associated with HPRL in patients with schizophrenia.
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Affiliation(s)
- Olga Yu. Fedorenko
- Mental Health Research InstituteTomsk National Research Medical Center of Russian Academy of SciencesTomskRussia,Division for Control and Diagnostics, School of Non‐Destructive Testing and SecurityNational Research Tomsk Polytechnic UniversityTomskRussia
| | - Diana Z. Paderina
- Mental Health Research InstituteTomsk National Research Medical Center of Russian Academy of SciencesTomskRussia,Department of Cytology and Genetics, National Research Tomsk State UniversityTomskRussia
| | - Anton J. M. Loonen
- PharmacoTherapy, ‐Epidemiology and ‐Economics, Groningen Research Institute of PharmacyUniversity of GroningenGroningenThe Netherlands,Policy Office for Quality and Innovation of Care (BZI), GGZ Westelijk Noord‐BrabantHalsterenThe Netherlands
| | - Ivan V. Pozhidaev
- Mental Health Research InstituteTomsk National Research Medical Center of Russian Academy of SciencesTomskRussia,Department of Cytology and Genetics, National Research Tomsk State UniversityTomskRussia
| | - Anastasiia S. Boiko
- Mental Health Research InstituteTomsk National Research Medical Center of Russian Academy of SciencesTomskRussia
| | - Elena G. Kornetova
- Mental Health Research InstituteTomsk National Research Medical Center of Russian Academy of SciencesTomskRussia,Hospital, Siberian State Medical UniversityTomskRussia
| | - Nikolay A. Bokhan
- Mental Health Research InstituteTomsk National Research Medical Center of Russian Academy of SciencesTomskRussia,Department of Psychotherapy and Psychological Counseling, National Research Tomsk State UniversityTomskRussia,Department of Psychiatry, Addictology and Psychotherapy, Siberian State Medical UniversityTomskRussia
| | - Bob Wilffert
- PharmacoTherapy, ‐Epidemiology and ‐Economics, Groningen Research Institute of PharmacyUniversity of GroningenGroningenThe Netherlands,Clinical Pharmacy and Pharmacology, University Medical Center Groningen, University of GroningenGroningenThe Netherlands
| | - Svetlana A. Ivanova
- Mental Health Research InstituteTomsk National Research Medical Center of Russian Academy of SciencesTomskRussia,Division for Control and Diagnostics, School of Non‐Destructive Testing and SecurityNational Research Tomsk Polytechnic UniversityTomskRussia,Department of Psychiatry, Addictology and Psychotherapy, Siberian State Medical UniversityTomskRussia
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17
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Koeneke A, Ponce G, Troya-Balseca J, Palomo T, Hoenicka J. Ankyrin Repeat and Kinase Domain Containing 1 Gene, and Addiction Vulnerability. Int J Mol Sci 2020; 21:ijms21072516. [PMID: 32260442 PMCID: PMC7177674 DOI: 10.3390/ijms21072516] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/01/2020] [Accepted: 04/02/2020] [Indexed: 01/13/2023] Open
Abstract
The TaqIA single nucleotide variant (SNV) has been tested for association with addictions in a huge number of studies. TaqIA is located in the ankyrin repeat and kinase domain containing 1 gene (ANKK1) that codes for a receptor interacting protein kinase. ANKK1 maps on the NTAD cluster along with the dopamine receptor D2 (DRD2), the tetratricopeptide repeat domain 12 (TTC12) and the neural cell adhesion molecule 1 (NCAM1) genes. The four genes have been associated with addictions, although TTC12 and ANKK1 showed the strongest associations. In silico and in vitro studies revealed that ANKK1 is functionally related to the dopaminergic system, in particular with DRD2. In antisocial alcoholism, epistasis between ANKK1 TaqIA and DRD2 C957T SNVs has been described. This clinical finding has been supported by the study of ANKK1 expression in peripheral blood mononuclear cells of alcoholic patients and controls. Regarding the ANKK1 protein, there is direct evidence of its location in adult and developing central nervous system. Together, these findings of the ANKK1 gene and its protein suggest that the TaqIA SNV is a marker of brain differences, both in structure and in dopaminergic function, that increase individual risk to addiction development.
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Affiliation(s)
- Alejandra Koeneke
- Departamento de Psicología, Facultad de Ciencias Biomédicas, Universidad Europea Madrid, Villaviciosa de Odón, 28670 Madrid, Spain;
- Departamento de Medicina Legal, Psiquiatría y Patología, Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain;
| | - Guillermo Ponce
- Servicio de Psiquiatría, Hospital Universitario 12 de Octubre, Av. de Córdoba s/n, 28041 Madrid, Spain;
| | - Johanna Troya-Balseca
- Laboratory of Neurogenetics and Molecular Medicine - IPER, Institut de Recerca Sant Joan de Déu, 08950 Barcelona, Spain;
| | - Tomás Palomo
- Departamento de Medicina Legal, Psiquiatría y Patología, Facultad de Medicina, Universidad Complutense de Madrid, 28040 Madrid, Spain;
- CIBER de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
| | - Janet Hoenicka
- Laboratory of Neurogenetics and Molecular Medicine - IPER, Institut de Recerca Sant Joan de Déu, 08950 Barcelona, Spain;
- CIBER de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: ; Tel.: +34-936009751 (ext. 77833)
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18
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Scariot R, Brunet L, Olsson B, Palinkas M, Regalo SCH, Rebellato NLB, Brancher JA, Torres CP, Diaz-Serrano KV, Küchler EC, Zielak JC. Single nucleotide polymorphisms in dopamine receptor D2 are associated with bruxism and its circadian phenotypes in children. Cranio 2019; 40:152-159. [PMID: 31868570 DOI: 10.1080/08869634.2019.1705629] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Objective: To evaluate the association of bruxism phenotypes with single nucleotide polymorphisms in FKBP5, DRD2, ANKK1, and COMT.Methods: Clinical oral examination was performed to diagnose bruxism phenotypes in 150 children. DNA was collected from saliva. Logistic univariate regression, Chi-square, and Fisher's exact tests were performed (p < 0.05).Results: Bruxism was associated with DRD2 (p = 0.02). Tooth grinding while awake was associated with ANKK1 (p < 0.001), and tooth grinding while asleep was associated with DRD2 in the additive (p = 0.030) and dominant (p = 0.008) model. Tooth clenching while awake was associated with ANKK1 in the additive (p = 0.005) and dominant (p = 0.008) models, whereas tooth clenching while asleep was associated with ANKK1 (p < 0.001) and with COMT in the additive (p = 0.001) and dominant (p = 0.003) models.Discussion: Polymorphisms in DRD2, ANKK1, and COMT are associated with bruxism phenotypes.
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Affiliation(s)
- Rafaela Scariot
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, Federal University of Paraná, Curitiba, Brazil.,School of Health Sciences, Department of Oral and Maxillofacial Surgery, Positivo University, Curitiba, Brazil
| | - Leonardo Brunet
- School of Health Sciences, Department of Oral and Maxillofacial Surgery, Positivo University, Curitiba, Brazil
| | - Bernardo Olsson
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, Federal University of Paraná, Curitiba, Brazil
| | - Marcelo Palinkas
- Department of Pediatric Dentistry, University of São Paulo, Ribeirão Preto, Brazil
| | | | - Nelson Luis Barbosa Rebellato
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, Federal University of Paraná, Curitiba, Brazil
| | - João Armando Brancher
- Department of Stomatology, Department of Oral and Maxillofacial Surgery, Federal University of Paraná, Curitiba, Brazil.,School of Health Sciences, Department of Oral and Maxillofacial Surgery, Positivo University, Curitiba, Brazil
| | - Carolina Paes Torres
- Department of Pediatric Dentistry, University of São Paulo, Ribeirão Preto, Brazil
| | | | | | - João Cesar Zielak
- School of Health Sciences, Department of Oral and Maxillofacial Surgery, Positivo University, Curitiba, Brazil
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19
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Tsou CC, Chou HW, Ho PS, Kuo SC, Chen CY, Huang CC, Liang CS, Lu RB, Huang SY. DRD2 and ANKK1 genes associate with late-onset heroin dependence in men. World J Biol Psychiatry 2019; 20:605-615. [PMID: 28854834 DOI: 10.1080/15622975.2017.1372630] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Objectives: Dopamine plays an important role in reward system of heroin dependence (HD), and dopaminergic D2 receptor (DRD2) gene is a candidate for the aetiology of HD. Ankyrin repeat and kinase domain containing 1 (ANKK1) gene is proximal to DRD2 and may influence its expression. We explored whether DRD2 and ANKK1 associate with occurrence of HD, and whether the genetic variants influence personality traits in male patients with HD.Methods:DRD2/ANKK1 polymorphisms were analysed in 950 unrelated Han Chinese male participants (601 HD patients and 349 healthy controls). All participants were screened using the same assessment tools and all patients met the diagnostic criteria of HD. Personality traits were assessed in 274 patients and 142 controls using the Tridimensional Personality Questionnaire.Results: According to the allele, genotype and haplotype frequency analysis, we observed an association between HD and several DRD2/ANKK1 polymorphisms (rs1800497, rs1800498, rs1079597 and rs4648319); this was most notable in the late-onset HD subgroup. However, these DRD2/ANKK1 polymorphisms did not associate with specific personality traits in HD patients and controls.Conclusions:DRD2/ANKK1 may play an important role in occurrence of late-onset HD, but does not mediate the relationship between personality traits and HD in Han Chinese male population.
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Affiliation(s)
- Chang-Chih Tsou
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Han-Wei Chou
- Department of Psychiatry, Hsinchu Armed Force Hospital, Hsinchu, Taiwan, R.O.C
| | - Pei-Shen Ho
- Department of Psychiatry, Beitou Branch, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Shin-Chang Kuo
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C.,Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Chun-Yen Chen
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C.,Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Chang-Chih Huang
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, R.O.C.,Department of Psychiatry, Buddhist Tzu Chi General Hospital, Taipei, Taiwan, R.O.C
| | - Chih-Sung Liang
- Department of Psychiatry, Beitou Branch, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C.,Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, R.O.C
| | - Ru-Band Lu
- Department of Psychiatry, College of Medicine, National Cheng-Kung University, Tainan, Taiwan, R.O.C
| | - San-Yuan Huang
- Department of Psychiatry, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, R.O.C.,Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, R.O.C
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Grzywacz A, Chmielowiec J, Chmielowiec K, Mroczek B, Masiak J, Suchanecka A, Sipak-Szmigiel O, Szumilas K, Trybek G. The Ankyrin Repeat and Kinase Domain Containing 1 Gene Polymorphism ( ANKK1 Taq1A) and Personality Traits in Addicted Subjects. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16152687. [PMID: 31357601 PMCID: PMC6695683 DOI: 10.3390/ijerph16152687] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 07/24/2019] [Accepted: 07/26/2019] [Indexed: 11/17/2022]
Abstract
The Taq1A polymorphism located in the ANKK1 gene is one of the most widely studied polymorphisms in regards to the genetics of behavior and addiction. The aim of our study was to analyze this polymorphism with regard to personality characteristics and anxiety measured by means of the Personality Inventory—(NEO Five-Factor Inventory—NEO—FFI) and the State-Trait Anxiety Inventory (STAI) in polysubstance addicted subjects. The study group consisted of 600 male volunteers, including 299 addicted subjects and 301 controls. Psychiatrists recruited members for both groups. Addiction was diagnosed in the case group. In the control group mental illness was excluded. The same psychometric test and genotyping using the real-time PCR (polymerase chain reaction) method was performed for both groups. The results were investigated by means of multivariate analysis of the main effects Multi-factor ANOVA. Significantly higher scores on the scale of STAI state and Neuroticism and Openness traits, as well as lower scores on the scales of Extraversion, Agreeability, and Conscientiousness, were found in the case group subjects, compared to the controls. Differences in frequency of genotypes and alleles of Taq1A polymorphism between the studied groups were not found. Multi-factor ANOVA of addicted subjects and control subjects and the ANKK1 Taq1A variant interaction approximated the statistical significance for the STAI state. The main effects ANOVA of both subjects’ groups were found for the STAI state and trait, the Neuroticism scale, the Extraversion scale, and the Agreeability scale. The ANKK1 Taq1A main effects approximated the statistical significance of the STAI trait. Our study shows not only differences in personality traits between addicted and non-addicted subjects, but also the possible impact of ANKK1 on given traits and on addiction itself.
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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.
| | - Jolanta Chmielowiec
- Department of Hygiene and Epidemiology, Faculty of Medicine and Health Science, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland
| | - Krzysztof Chmielowiec
- Department of Hygiene and Epidemiology, Faculty of Medicine and Health Science, University of Zielona Góra, 28 Zyty St., 65-046 Zielona Góra, Poland
| | - Bożena Mroczek
- Department of Human Sciences in Medicine, Pomeranian Medical University in Szczecin, 11 Chlapowskiego St., 70-204 Szczecin, Poland
| | - Jolanta Masiak
- Neurophysiological Independent Unit, Department of Psychiatry, Medical University of Lublin, 1 Aleje Racławickie St., 20-059 Lublin, Poland
| | - Aleksandra Suchanecka
- Independent Laboratory of Health Promotion of the Pomeranian Medical University in Szczecin, 11 Chlapowskiego St., 70-204 Szczecin, Poland
| | - Olimpia Sipak-Szmigiel
- Department of Obstetrics and Pathology of Pregnancy, Pomeranian Medical University in Szczecin, 48 Żołnierska St., 71-210 Szczecin, Poland
| | - Kamila Szumilas
- Department of General Pathology, Pomeranian Medical University, Szczecin 70-111, Poland
| | - Grzegorz Trybek
- Department of Oral Surgery, Pomeranian Medical University in Szczecin, 72 Powstańców Wlkp. St., 70-111 Szczecin, Poland
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21
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Park JY, Lengacher CA, Reich RR, Alinat CB, Ramesar S, Le A, Paterson CL, Pleasant ML, Park HY, Kiluk J, Han H, Ismail-Khan R, Kip KE. Translational genomic research: the role of genetic polymorphisms in MBSR program among breast cancer survivors (MBSR[BC]). Transl Behav Med 2019; 9:693-702. [PMID: 30137607 DOI: 10.1093/tbm/iby061] [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] [Indexed: 11/14/2022] Open
Abstract
Genetic variations of breast cancer survivors (BCS) may contribute to level of residual symptoms, such as depression, stress, fatigue, and cognitive impairment. The objective of this study was to investigate whether particular single-nucleotide polymorphisms (SNPs) moderated symptom improvement resulting from the Mindfulness-Based Stress Reduction for Breast Cancer (MBSR[BC]) program. An overarching goal of personalized medicine is to identify individuals as risk for disease and tailor interventions based on genetic profiles of patients with diseases including cancer. BCS were recruited from Moffitt Cancer Center and University of South Florida's Breast Health Program and were randomized to either the 6-week MBSR(BC) program (n = 92) or Usual Care (n = 93). Measures of symptoms, demographic, and clinical history data were attained at baseline, 6 weeks, and 12 weeks. A total of 10 SNPs from eight genes known to be related to these symptoms were studied using genomic DNA extracted from blood. Our results were examined for effect sizes, consistency, and statistical significance (p < .05). Three SNPs (rs4680 in COMT, rs6314 in HTR2A, and rs429358 in APOE) emerged as having the strongest (though relatively weak) and most consistent effects in moderating the impact of the MBSR program on symptom outcomes. Although effects were generally weak, with only one effect withstanding multiple comparisons correction for statistical significance, this translational behavioral research may help start the identification of genetic profiles that moderate the impact of MBSR(BC). The ultimate goal of this study is the development of personalized treatment programs tailored to the genetic profile of each patient.
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Affiliation(s)
- Jong Y Park
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | | | - Richard R Reich
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | | | - Sophia Ramesar
- University of South Florida College of Nursing, Tampa, FL, USA
| | - Alice Le
- University of South Florida College of Nursing, Tampa, FL, USA
| | - Carly L Paterson
- National Cancer Institute, National Institutes of Health, Rockville, MD, USA
| | | | - Hyun Y Park
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - John Kiluk
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Hyo Han
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Roohi Ismail-Khan
- Department of Cancer Epidemiology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - Kevin E Kip
- Department of Epidemiology and Biostatistics, University of South Florida, College of Public Health, Tampa, FL, USA
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22
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Gerra MC, Manfredini M, Cortese E, Antonioni MC, Leonardi C, Magnelli F, Somaini L, Jayanthi S, Cadet JL, Donnini C. Genetic and Environmental Risk Factors for Cannabis Use: Preliminary Results for the Role of Parental Care Perception. Subst Use Misuse 2019; 54:670-680. [PMID: 30663487 PMCID: PMC7643561 DOI: 10.1080/10826084.2018.1531430] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Vulnerability to cannabis use (CU) initiation and problematic use have been shown to be affected by both genetic and environmental factors, with still inconclusive and uncertain evidence. OBJECTIVE Aim of the present study was to investigate the possible interplay between gene polymorphisms and psychosocial conditions in CU susceptibility. METHODS Ninety-two cannabis users and ninety-three controls have been included in the study. Exclusion criteria were serious mental health disorders and severe somatic disorders, use of other drugs and alcohol abuse; control subjects were not screened to remove Reward Deficiency Syndrome (RDS) behaviors. A candidate gene association study was performed, including variants related to dopaminergic and endocannabinoids pathways. Adverse childhood experiences and quality of parental care have been retrospectively explored utilizing ACES (Adverse Children Experience Scale), CECA-q (Child Experience of Care and Abuse Questionnaire), PBI (Parental Bonding Instrument). RESULTS Our findings evidenced a significant association between rs1800497 Taq1A of ANKK1 gene and CU. Parental care was found to be protective factor, with emotional and physical neglect specifically influencing CU. Gender also played a role in CU, with males smoking more than females. However, when tested together genotypes and psychosocial variables, the significance of observed genetic differences disappeared. CONCLUSIONS Our results confirm a significant role of Taq1A polymorphism in CU vulnerability. A primary role of environmental factors in mediating genetic risk has been highlighted: parental care could be considered the main target to design early prevention programs and strategies.
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Affiliation(s)
- Maria Carla Gerra
- a Department of Chemistry, Life Sciences and Environmental Sustainability , University of Parma , Parma , Italy
| | - Matteo Manfredini
- a Department of Chemistry, Life Sciences and Environmental Sustainability , University of Parma , Parma , Italy
| | - Elena Cortese
- b Addiction Treatment Center, Local Health Service , Rome , Italy
| | | | - Claudio Leonardi
- b Addiction Treatment Center, Local Health Service , Rome , Italy
| | - Fernanda Magnelli
- d Addiction Treatment Centre, Local Health Service , Cosenza , Biella , Italy
| | - Lorenzo Somaini
- d Addiction Treatment Centre, Local Health Service , Cosenza , Biella , Italy
| | - Subramaniam Jayanthi
- e Molecular Neuropsychiatry Research Branch , NIDA Intramural Research Program , Baltimore , Maryland , USA
| | - Jean Lud Cadet
- e Molecular Neuropsychiatry Research Branch , NIDA Intramural Research Program , Baltimore , Maryland , USA
| | - Claudia Donnini
- a Department of Chemistry, Life Sciences and Environmental Sustainability , University of Parma , Parma , Italy
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23
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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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24
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Zhang J, Yan P, Li Y, Cai X, Yang Z, Miao X, Chen B, Li S, Dang W, Jia W, Zhu Y. A 35.8 kilobases haplotype spanning ANKK1 and DRD2 is associated with heroin dependence in Han Chinese males. Brain Res 2018; 1688:54-64. [DOI: 10.1016/j.brainres.2018.03.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 02/07/2018] [Accepted: 03/13/2018] [Indexed: 02/07/2023]
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25
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Rubio-Solsona E, Martí S, Vílchez JJ, Palau F, Hoenicka J. ANKK1 is found in myogenic precursors and muscle fibers subtypes with glycolytic metabolism. PLoS One 2018; 13:e0197254. [PMID: 29758057 PMCID: PMC5951577 DOI: 10.1371/journal.pone.0197254] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 04/30/2018] [Indexed: 11/24/2022] Open
Abstract
Ankyrin repeat and kinase domain containing 1 (ANKK1) gene has been widely related to neuropsychiatry disorders. The localization of ANKK1 in neural progenitors and its correlation with the cell cycle has suggested its participation in development. However, ANKK1 functions still need to be identified. Here, we have further characterized the ANKK1 localization in vivo and in vitro, by using immunolabeling, quantitative real-time PCR and Western blot in the myogenic lineage. Histologic investigations in mice and humans revealed that ANKK1 is expressed in precursors of embryonic and adult muscles. In mice embryos, ANKK1 was found in migrating myotubes where it shows a polarized cytoplasmic distribution, while proliferative myoblasts and satellite cells show different isoforms in their nuclei and cytoplasm. In vitro studies of ANKK1 protein isoforms along the myogenic progression showed the decline of nuclear ANKK1-kinase until its total exclusion in myotubes. In adult mice, ANKK1 was expressed exclusively in the Fast-Twitch muscles fibers subtype. The induction of glycolytic metabolism in C2C12 cells with high glucose concentration or treatment with berberine caused a significant increase in the ANKK1 mRNA. Similarly, C2C12 cells under hypoxic conditions caused the increase of nuclear ANKK1. These results altogether show a relationship between ANKK1 gene regulation and the metabolism of muscles during development and in adulthood. Finally, we found ANKK1 expression in regenerative fibers of muscles from dystrophic patients. Future studies in ANKK1 biology and the pathological response of muscles will reveal whether this protein is a novel muscle disease biomarker.
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Affiliation(s)
- Estrella Rubio-Solsona
- CIBERER Biobank, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Valencia, Spain
- Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Salvador Martí
- CIBERER Biobank, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Valencia, Spain
| | - Juan J. Vílchez
- CIBERER Biobank, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Valencia, Spain
- Department of Neurology, Hospital Universitari i Politècnic La Fe, Valencia, Spain
- Neuromuscular Research Unit, Instituto de Investigación Sanitaria la Fe (IIS La Fe), Valencia, Spain
- Department of Medicine, University of Valencia School of Medicine, Valencia, Spain
| | - Francesc Palau
- CIBERER Biobank, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Valencia, Spain
- Centro de Investigación Príncipe Felipe, Valencia, Spain
- Department of Genetic and Molecular Medicine, Hospital Sant Joan de Déu, Barcelona, Spain
- Laboratory of Neurogenetics and Molecular Medicine, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
- Division of Pediatrics, University of Barcelona School of Medicine, Barcelona, Spain
| | - Janet Hoenicka
- Centro de Investigación Príncipe Felipe, Valencia, Spain
- Laboratory of Neurogenetics and Molecular Medicine, Institut de Recerca Sant Joan de Déu, Barcelona, Spain
- CIBER de Salud Mental (CIBERSAM), Madrid, Spain
- * E-mail:
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26
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España-Serrano L, Guerra Martín-Palanco N, Montero-Pedrazuela A, Pérez-Santamarina E, Vidal R, García-Consuegra I, Valdizán EM, Pazos A, Palomo T, Jiménez-Arriero MÁ, Guadaño-Ferraz A, Hoenicka J. The Addiction-Related Protein ANKK1 is Differentially Expressed During the Cell Cycle in Neural Precursors. Cereb Cortex 2018; 27:2809-2819. [PMID: 27166167 DOI: 10.1093/cercor/bhw129] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
TaqIA is a polymorphism associated with addictions and dopamine-related traits. It is located in the ankyrin repeat and kinase domain containing 1 gene (ANKK1) nearby the gene for the dopamine D2 receptor (D2R). Since ANKK1 function is unknown, TaqIA-associated traits have been explained only by differences in D2R. Here we report ANKK1 studies in mouse and human brain using quantitative real-time PCR, Western blot, immunohistochemistry, and flow cytometry. ANKK1 mRNA and protein isoforms vary along neurodevelopment in the human and mouse brain. In mouse adult brain ANKK1 is located in astrocytes, nuclei of postmitotic neurons and neural precursors from neurogenic niches. In both embryos and adults, nuclei of neural precursors show significant variation of ANKK1 intensity. We demonstrate a correlation between ANKK1 and the cell cycle. Cell synchronization experiments showed a significant increment of ANKK1-kinase in mitotic cells while ANKK1-kinase overexpression affects G1 and M phase that were found to be modulated by ANKK1 alleles and apomorphine treatment. Furthermore, during embryonic neurogenesis ANKK1 was expressed in slow-dividing neuroblasts and rapidly dividing precursors which are mitotic cells. These results suggest a role of ANKK1 during the cell cycle in neural precursors thus providing biological support to brain structure involvement in the TaqIA-associated phenotypes.
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Affiliation(s)
- Laura España-Serrano
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario 12 de Octubre, Madrid 28041, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain
| | - Noelia Guerra Martín-Palanco
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario 12 de Octubre, Madrid 28041, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain
| | - Ana Montero-Pedrazuela
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas (CSIC) and Universidad Autónoma de Madrid, Madrid 28029, Spain
| | - Estela Pérez-Santamarina
- Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, Spain.,Centro de Investigación Príncipe Felipe, Valencia 46012, Spain
| | - Rebeca Vidal
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain.,Departamento de Fisiología y Farmacología, Universidad de Cantabria, Instituto de Biomedicina y Biotecnología de Cantabria (UC-CSIC-SODERCAN), Santander 39011, Spain
| | - Inés García-Consuegra
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario 12 de Octubre, Madrid 28041, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), ISCIII, Spain
| | - Elsa María Valdizán
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain.,Departamento de Fisiología y Farmacología, Universidad de Cantabria, Instituto de Biomedicina y Biotecnología de Cantabria (UC-CSIC-SODERCAN), Santander 39011, Spain
| | - Angel Pazos
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain.,Departamento de Fisiología y Farmacología, Universidad de Cantabria, Instituto de Biomedicina y Biotecnología de Cantabria (UC-CSIC-SODERCAN), Santander 39011, Spain
| | - Tomás Palomo
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario 12 de Octubre, Madrid 28041, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain
| | - Miguel Ángel Jiménez-Arriero
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario 12 de Octubre, Madrid 28041, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain
| | - Ana Guadaño-Ferraz
- Instituto de Investigaciones Biomédicas Alberto Sols, Consejo Superior de Investigaciones Científicas (CSIC) and Universidad Autónoma de Madrid, Madrid 28029, Spain
| | - Janet Hoenicka
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario 12 de Octubre, Madrid 28041, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), ISCIII, Spain.,Centro de Investigación Príncipe Felipe, Valencia 46012, Spain.,Laboratory of Neurogenetics and Molecular Medicine, Institut de Recerca Pediàtrica Hospital Sant Joan de Déu, Barcelona 08950, Spain
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Impact of DRD2/ANKK1 and COMT Polymorphisms on Attention and Cognitive Functions in Schizophrenia. PLoS One 2017; 12:e0170147. [PMID: 28085950 PMCID: PMC5235377 DOI: 10.1371/journal.pone.0170147] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 12/29/2016] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Cognitive deficits such as poor selective attention and executive functions decline have been reported in patients with schizophrenia. Many studies have emphasized the role of dopamine in regulating cognitive functions in the general population as well as in schizophrenia. However, the relationship between cognitive processes, schizophrenia and dopaminergic candidate genes is an original approach given interesting results. The purpose of the current exploratory study was to examine the interaction of dopaminergic genes (coding for dopamine receptor D2, DRD2, and for Catecholamine-O-Methyl-Transferase, COMT) with the diagnostic of schizophrenia in (i) the executive control of attention, (ii) selective attention, and (iii) executive functions. METHODS AND RESULTS We recruited 52 patients with schizophrenia and 53 healthy controls who performed the Stroop Color-Word Test, the Attention Network Test and the Wisconsin Card Sorting test. Four single nucleotide polymorphisms (SNPs) in the DRD2 gene (rs6275, rs6277, rs2242592 and rs1800497) and two SNPs in the COMT gene (rs4680 and rs165599) have been genotyped. Patients with schizophrenia performed significantly worse than controls in all cognitive performance, taking into account demographic variables. A significant gene by disease interaction was found for the Stroop interference (p = 0.002) for rs6275 of the DRD2 gene. The COMT Val/Val genotype and schizophrenia were associated with increased number of perseverative errors (p = 0.01). CONCLUSIONS In our study, the DRD2 gene is involved in attention while the COMT gene is implicated in executive functions in patients with schizophrenia.
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28
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González-Castro TB, Hernández-Díaz Y, Juárez-Rojop IE, López-Narváez ML, Tovilla-Zárate CA, Genis-Mendoza A, Alpuin-Reyes M. The role of C957T, TaqI and Ser311Cys polymorphisms of the DRD2 gene in schizophrenia: systematic review and meta-analysis. Behav Brain Funct 2016; 12:29. [PMID: 27829443 PMCID: PMC5101652 DOI: 10.1186/s12993-016-0114-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 11/04/2016] [Indexed: 01/11/2023] Open
Abstract
Background The association between the dopamine D2 receptor (DRD2) gene and schizophrenia has been studied though no conclusive outcomes have been attained. The aim of this study was to perform a systematic review and meta-analysis to explore the relation between three polymorphisms of the DRD2 gene (C957T, TaqI and Ser311Cys) and schizophrenia. Methods The search was made in PubMed and EBSCO databases (up to February 2016). The systematic review included 34 case–control association studies (34 for C957T, 16 for TaqI and 36 for Ser311Cys). The association analysis comprised the allelic, additive, dominant, and recessive genetic models. The meta-analysis was performed following the preferred reporting items for systematic reviews and meta-analyses (PRISMA) statement. Results The meta-analysis showed that TaqI (additive model: OR 0.57, 95% CI 0.30–1.14) and C957T (additive model: OR 0.75, 95% OR 0.58–0.97, recessive model: OR 0.79, 95% CI 0.64–0.98) exert a protective effect against developing schizophrenia. However, the sub-analysis for the C957T variant showed that this polymorphism exhibits a risk factor effect on Chinese individuals (allelic model: OR 1.33, 95% CI 1.04–1.70). Conclusion Our meta-analysis suggests an association of the DRD2 gene and the risk for schizophrenia, given that TaqI and C957T polymorphisms presented a protective effect against schizophrenia, and in the sub-analyses the C957T variant increased the risk for this disorder in the Chinese population. Electronic supplementary material The online version of this article (doi:10.1186/s12993-016-0114-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Thelma Beatriz González-Castro
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, Tabasco, Mexico
| | - Yazmín Hernández-Díaz
- División Académica Multidisciplinaria de Jalpa de Méndez, Universidad Juárez Autónoma de Tabasco, Jalpa de Méndez, Tabasco, Mexico
| | - Isela Esther Juárez-Rojop
- División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, Tabasco, Mexico
| | | | - Carlos Alfonso Tovilla-Zárate
- División Académica Multidisciplinaria de Comalcalco, Universidad Juárez Autónoma de Tabasco, Ranchería Sur, Cuarta Sección, C.P. 86650, Comalcalco, Tabasco, Mexico.
| | - Alma Genis-Mendoza
- Secretaría de Salud, Instituto Nacional de Medicina Genómica (INMEGEN), Servicios de Atención Psiquiátrica (SAP), Ciudad de México, Mexico
| | - Mariela Alpuin-Reyes
- División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, Tabasco, Mexico
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Posttraumatic Brain Injury Cognitive Performance Is Moderated by Variation Within ANKK1 and DRD2 Genes. J Head Trauma Rehabil 2016; 30:E54-66. [PMID: 25931179 DOI: 10.1097/htr.0000000000000118] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
OBJECTIVE As dopamine neurotransmission impacts cognition, we hypothesized that variants in the linked dopamine D2 receptor (DRD2) and ankyrin repeat and kinase domain (ANKK1) genes might account for some individual variability in cognitive recovery following traumatic brain injury (TBI). PARTICIPANTS Prospective cohort of 108 survivors of severe TBI, recruited consecutively from a level 1 trauma center. DESIGN We examined relationships between DRD2 genetic variation and functional recovery at 6 and 12 months post-TBI. MAIN MEASURES Cognitive performance was evaluated using 8 neuropsychological tests targeting different cognitive domains. An overall cognitive composite was developed using normative data. We also assessed functional cognition, depression status, and global outcome. Subjects were genotyped for 6 DRD2 tagging single-nucleotide polymorphisms and Taq1A within ANKK1. RESULTS ANKK1 Taq1A heterozygotes performed better than homozygotes across several cognitive domains at both time points postinjury. When adjusting for age, Glasgow Coma Scale score, and education, the Taq1A (ANKK1) and rs6279 (DRD2) variants were associated with overall composite scores at 6 months post-TBI (P = .0453 and P = .0452, respectively). At 12 months, only Taq1A remained a significant genetic predictor of cognition (P = .0128). Following multiple-comparisons correction, there were no significant associations between examined genetic variants and functional cognition, depression status, and global outcome. CONCLUSION These data suggest that genetic variation within DRD2 influences cognitive recovery post-TBI. Understanding genetic influences on dopaminergic systems post-TBI may impact current treatment paradigms.
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Pagliaroli L, Vető B, Arányi T, Barta C. From Genetics to Epigenetics: New Perspectives in Tourette Syndrome Research. Front Neurosci 2016; 10:277. [PMID: 27462201 PMCID: PMC4940402 DOI: 10.3389/fnins.2016.00277] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Accepted: 06/06/2016] [Indexed: 11/13/2022] Open
Abstract
Gilles de la Tourette Syndrome (TS) is a neurodevelopmental disorder marked by the appearance of multiple involuntary motor and vocal tics. TS presents high comorbidity rates with other disorders such as attention deficit hyperactivity disorder (ADHD) and obsessive compulsive disorder (OCD). TS is highly heritable and has a complex polygenic background. However, environmental factors also play a role in the manifestation of symptoms. Different epigenetic mechanisms may represent the link between these two causalities. Epigenetic regulation has been shown to have an impact in the development of many neuropsychiatric disorders, however very little is known about its effects on Tourette Syndrome. This review provides a summary of the recent findings in genetic background of TS, followed by an overview on different epigenetic mechanisms, such as DNA methylation, histone modifications, and non-coding RNAs in the regulation of gene expression. Epigenetic studies in other neurological and psychiatric disorders are discussed along with the TS-related epigenetic findings available in the literature to date. Moreover, we are proposing that some general epigenetic mechanisms seen in other neuropsychiatric disorders may also play a role in the pathogenesis of TS.
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Affiliation(s)
- Luca Pagliaroli
- Institute of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis UniversityBudapest, Hungary; Research Centre for Natural Sciences, Institute of Enzymology, Hungarian Academy of SciencesBudapest, Hungary
| | - Borbála Vető
- Research Centre for Natural Sciences, Institute of Enzymology, Hungarian Academy of Sciences Budapest, Hungary
| | - Tamás Arányi
- Research Centre for Natural Sciences, Institute of Enzymology, Hungarian Academy of SciencesBudapest, Hungary; Centre National de la Recherche Scientifique UMR 6214, Institut National de la Santé et de la Recherche Médicale U1083, University of AngersAngers, France
| | - Csaba Barta
- Institute of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University Budapest, Hungary
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Prediction of alcohol drinking in adolescents: Personality-traits, behavior, brain responses, and genetic variations in the context of reward sensitivity. Biol Psychol 2016; 118:79-87. [PMID: 27180911 DOI: 10.1016/j.biopsycho.2016.05.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Revised: 05/09/2016] [Accepted: 05/11/2016] [Indexed: 12/11/2022]
Abstract
Adolescence is a time that can set the course of alcohol abuse later in life. Sensitivity to reward on multiple levels is a major factor in this development. We examined 736 adolescents from the IMAGEN longitudinal study for alcohol drinking during early (mean age=14.37) and again later (mean age=16.45) adolescence. Conducting structural equation modeling we evaluated the contribution of reward-related personality traits, behavior, brain responses and candidate genes. Personality seems to be most important in explaining alcohol drinking in early adolescence. However, genetic variations in ANKK1 (rs1800497) and HOMER1 (rs7713917) play an equal role in predicting alcohol drinking two years later and are most important in predicting the increase in alcohol consumption. We hypothesize that the initiation of alcohol use may be driven more strongly by personality while the transition to increased alcohol use is more genetically influenced.
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Vasconcelos ACCG, Neto EDSR, Pinto GR, Yoshioka FKN, Motta FJN, Vasconcelos DFP, Canalle R. Association study of the SLC6A3 VNTR (DAT) and DRD2/ANKK1 Taq1A polymorphisms with alcohol dependence in a population from northeastern Brazil. Alcohol Clin Exp Res 2015; 39:205-11. [PMID: 25684044 DOI: 10.1111/acer.12625] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2014] [Accepted: 11/02/2014] [Indexed: 01/09/2023]
Abstract
BACKGROUND Alcohol dependence (AD) is a complex psychiatric disorder, affecting 5.4% of the general population lifetime, characterized by excessive alcohol consumption influenced by environmental risk factors and genetic factors. Genetic alterations in dopaminergic system are involved in the treatment and etiology of AD. The aim of this search was to test the association of the SLC6A3 40 bp-VNTR and DRD2/ANKK1 Taq1A single nucleotide polymorphism (SNP), a transporter and receptor of the dopaminergic system, with AD through a study in a population of northeastern Brazil. METHODS The study design was a case-control that included 227 males of northeastern Brazil (113 alcoholics and 114 controls). Alcoholics were classified according to the DSM-IV criteria for AD and controls were subjects who had nonalcohol problems or who never drank. Genotyping was detected through polymerase chain reaction (PCR) for SLC6A3 40 bp-VNTR and RFLP-PCR for DRD2/ANKK1 Taq1A, and subsequent electrophoresis on a 2% agarose gel. The distribution of allele and genotype frequencies and association of polymorphisms with AD were assessed by chi-square, Fisher's exact test, and odds ratio (OR) with a confidence interval of 95% and significance p < 0.05. Data were analyzed on BioEstat 5.3 software. RESULTS The SLC6A3 40 bp-VNTR was associated with AD, allelic, and genotypic frequencies were significantly different, respectively (A9 vs. A10: OR = 1.88; p = 0.01; A9/A9 vs. A10/A10: OR = 6.25; p = 0.02; A9/A9 vs. A9/A10 + A10A10: OR = 5.44; p = 0.03). However, there was no statistically significant difference when the allelic (p = 0.10) and genotypic (p > 0.05) frequencies for DRD2/ANKK1 Taq1A were compared. CONCLUSIONS These findings suggest that A9 allele and A9/A9 genotype of the SLC6A3 40 bp-VNTR are involved in the vulnerability to AD in the population studied. However, for the DRD2/ANKK1 SNP does not present contributions to the development of AD.
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Koeneke A, Ponce G, Hoenicka J, Huertas E. The ANKK1/DRD2 locus is a genomic substrate for affective priming and recognition of angry faces. Brain Behav 2015; 5:e00405. [PMID: 26664790 PMCID: PMC4667759 DOI: 10.1002/brb3.405] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/07/2015] [Accepted: 09/05/2015] [Indexed: 12/15/2022] Open
Abstract
INTRODUCTION Ankyrin repeat and kinase domain containing I (ANKK1) and dopamine D2 receptor (DRD2) genes have been associated with psychopathic traits in clinical samples. On the other hand, individuals high in psychopathy show reduced affective priming and deficits in facial expression recognition. We have hypothesized that these emotion-related cognitive phenomena are associated with Taq IA (rs18000497) SNP (single nucleotide polymorphism) of the ANKK1 gene and with C957T (rs6277) SNP of the DRD2 gene. METHODS We performed a genetic association analysis in 94 self-reported Caucasian healthy volunteers. The participants completed 144 trials of an affective priming task, in which primes and targets were emotional words. They also had to recognize 64 facial expressions of happiness, sadness, anger, and fear in an expression recognition task. Regarding the genetic analyses, Taq IA and C957T SNPs were genotyped. RESULTS We found that the C957T SNP TT genotype was associated with a stronger priming effect and a better recognition of angry expressions. No associations were found for the Taq IA SNP. In addition, in silico analysis demonstrated that C957T SNP is a marker of a regulatory sequence at the 5' UTR of ANKK1 gene, thus suggesting the involvement of the whole ANKK1/DRD2 locus in cognitive-emotional processing. CONCLUSIONS These results suggest that affective priming and recognition of angry facial expressions are endophenotypes that lie on the pathway between the ANKK1/DRD2 locus and some deviant phenotypes.
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Affiliation(s)
- Alejandra Koeneke
- Faculty of Psychology Complutense University of Madrid Madrid Spain ; Instituto de Investigación Sanitaria Hospital 12 de Octubre Madrid Spain
| | - Guillermo Ponce
- Instituto de Investigación Sanitaria Hospital 12 de Octubre Madrid Spain ; Red de Trastornos Adictivos (RTA) Madrid Spain
| | - Janet Hoenicka
- Program in Rare and Genetic Diseases & IBV/CSIC Associated Unit Centro de Investigación Príncipe Felipe Valencia Spain ; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM) ISCIII Madrid Spain ; School of Medicine at Ciudad Real University of Castilla-La Mancha Ciudad Real Spain
| | - Evelio Huertas
- Faculty of Psychology Complutense University of Madrid Madrid Spain
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Yildirim BO, Derksen JJL. Mesocorticolimbic dopamine functioning in primary psychopathy: A source of within-group heterogeneity. Psychiatry Res 2015; 229:633-77. [PMID: 26277034 DOI: 10.1016/j.psychres.2015.07.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 04/08/2015] [Accepted: 07/05/2015] [Indexed: 01/17/2023]
Abstract
Despite similar emotional deficiencies, primary psychopathic individuals can be situated on a continuum that spans from controlled to disinhibited. The constructs on which primary psychopaths are found to diverge, such as self-control, cognitive flexibility, and executive functioning, are crucially regulated by dopamine (DA). As such, the goal of this review is to examine which specific alterations in the meso-cortico-limbic DA system and corresponding genes (e.g., TH, DAT, COMT, DRD2, DRD4) might bias development towards a more controlled or disinhibited expression of primary psychopathy. Based on empirical data, it is argued that primary psychopathy is generally related to a higher tonic and population activity of striatal DA neurons and lower levels of D2-type DA receptors in meso-cortico-limbic projections, which may boost motivational drive towards incentive-laden goals, dampen punishment sensitivity, and increase future reward-expectancy. However, increasingly higher levels of DA activity in the striatum (moderate versus pathological elevations), lower levels of DA functionality in the prefrontal cortex, and higher D1-to-D2-type receptor ratios in meso-cortico-limbic projections may lead to increasingly disinhibited and impetuous phenotypes of primary psychopathy. Finally, in order to provide a more coherent view on etiological mechanisms, we discuss interactions between DA and serotonin that are relevant for primary psychopathy.
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Affiliation(s)
- Bariş O Yildirim
- Department of Clinical Psychology, Radboud University Nijmegen, De Kluyskamp 1002, 6545 JD Nijmegen, The Netherlands.
| | - Jan J L Derksen
- Department of Clinical Psychology, Room: A.07.04B, Radboud University Nijmegen, Montessorilaan 3, 6525 HR Nijmegen, The Netherlands.
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Bühler KM, Giné E, Echeverry-Alzate V, Calleja-Conde J, de Fonseca FR, López-Moreno JA. Common single nucleotide variants underlying drug addiction: more than a decade of research. Addict Biol 2015; 20:845-71. [PMID: 25603899 DOI: 10.1111/adb.12204] [Citation(s) in RCA: 74] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Drug-related phenotypes are common complex and highly heritable traits. In the last few years, candidate gene (CGAS) and genome-wide association studies (GWAS) have identified a huge number of single nucleotide polymorphisms (SNPs) associated with drug use, abuse or dependence, mainly related to alcohol or nicotine. Nevertheless, few of these associations have been replicated in independent studies. The aim of this study was to provide a review of the SNPs that have been most significantly associated with alcohol-, nicotine-, cannabis- and cocaine-related phenotypes in humans between the years of 2000 and 2012. To this end, we selected CGAS, GWAS, family-based association and case-only studies published in peer-reviewed international scientific journals (using the PubMed/MEDLINE and Addiction GWAS Resource databases) in which a significant association was reported. A total of 371 studies fit the search criteria. We then filtered SNPs with at least one replication study and performed meta-analysis of the significance of the associations. SNPs in the alcohol metabolizing genes, in the cholinergic gene cluster CHRNA5-CHRNA3-CHRNB4, and in the DRD2 and ANNK1 genes, are, to date, the most replicated and significant gene variants associated with alcohol- and nicotine-related phenotypes. In the case of cannabis and cocaine, a far fewer number of studies and replications have been reported, indicating either a need for further investigation or that the genetics of cannabis/cocaine addiction are more elusive. This review brings a global state-of-the-art vision of the behavioral genetics of addiction and collaborates on formulation of new hypothesis to guide future work.
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Affiliation(s)
- Kora-Mareen Bühler
- Department of Psychobiology; School of Psychology; Complutense University of Madrid; Málaga Spain
| | - Elena Giné
- Department of Cellular Biology; School of Medicine; Complutense University of Madrid; Málaga Spain
| | - Victor Echeverry-Alzate
- Department of Psychobiology; School of Psychology; Complutense University of Madrid; Málaga Spain
| | - Javier Calleja-Conde
- Department of Psychobiology; School of Psychology; Complutense University of Madrid; Málaga Spain
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Villalba K, Devieux JG, Rosenberg R, Cadet JL. DRD2 and DRD4 genes related to cognitive deficits in HIV-infected adults who abuse alcohol. Behav Brain Funct 2015; 11:25. [PMID: 26307064 PMCID: PMC4549947 DOI: 10.1186/s12993-015-0072-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Accepted: 08/17/2015] [Indexed: 11/23/2022] Open
Abstract
Background HIV-infected individuals continue to
experience neurocognitive deterioration despite virologically successful treatments. The causes of neurocognitive impairment are still unclear. However, several factors have been suggested including the role of genetics. There is evidence suggesting that neurocognitive impairment is heritable and individual differences in cognition are strongly driven by genetic variations. The contribution of genetic variants affecting the metabolism and activity of dopamine may influence these individual differences. Methods The present study explored the relationship between two candidate genes (DRD4 and DRD2) and neurocognitive performance in HIV-infected adults. A total of 267 HIV-infected adults were genotyped for polymorphisms, DRD4 48 bp-variable number tandem repeat (VNTR), DRD2 rs6277 and ANKK1 rs1800497. The Short Category (SCT), Color Trail (CTT) and Rey-Osterrieth Complex Figure Tests (ROCT) were used to measure executive function and memory. Results Results showed significant associations with the SNP rs6277 and impaired executive function (odds ratio = 3.3, 95 % CI 1.2–2.6; p = 0.004) and cognitive flexibility (odds ratio = 1.6, 95 % CI 2.0–5.7; p = 0.001). The results were further stratified by race and sex and significant results were seen in males (odds ratio = 3.5, 95 % CI 1.5–5.5; p = 0.008) and in African Americans (odds ratio = 3.1, 95 % CI 2.3–3.5; p = 0.01). Also, DRD4 VNTR 7-allele was significantly associated with executive dysfunction. Conclusion The study shows that genetically determined differences in the SNP rs6277 DRD2 gene and DRD4 48 bp VNTR may be risk factors for deficits in executive function and cognitive flexibility.
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Affiliation(s)
- Karina Villalba
- Department of Health Promotion and Disease Prevention, Robert Stempel College of Public Health and Social Work, Florida International University, Biscayne Bay Campus, 3000 N.E, 151 Street ACI #260, North Miami, FL, 33181, USA.
| | - Jessy G Devieux
- Department of Health Promotion and Disease Prevention, Robert Stempel College of Public Health and Social Work, Florida International University, Biscayne Bay Campus, 3000 N.E, 151 Street ACI #260, North Miami, FL, 33181, USA
| | - Rhonda Rosenberg
- Department of Health Promotion and Disease Prevention, Robert Stempel College of Public Health and Social Work, Florida International University, Biscayne Bay Campus, 3000 N.E, 151 Street ACI #260, North Miami, FL, 33181, USA
| | - Jean Lud Cadet
- NIDA Intramural Program, Molecular Neuropsychiatry Research Branch, Baltimore, MD, USA
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Ponce G, Quiñones-Lombraña A, Martín-Palanco NG, Rubio-Solsona E, Jiménez-Arriero MÁ, Palomo T, Hoenicka J. The Addiction-Related Gene Ankk1 is Oppositely Regulated by D1R- and D2R-Like Dopamine Receptors. Neurotox Res 2015; 29:345-50. [PMID: 26194616 DOI: 10.1007/s12640-015-9545-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/02/2015] [Accepted: 07/08/2015] [Indexed: 11/24/2022]
Abstract
The ankyrin repeat and kinase domain containing 1 (ANKK1) TaqIA polymorphism has been extensively studied as a marker of the gene for dopamine receptor D2 (DRD2) in addictions and other dopamine-associated traits. In vitro mRNA and protein studies have shown a potential connection between ANKK1 and the dopaminergic system functioning. Here, we have investigated whether Ankk1 expression in the brain is regulated by treatment with dopaminergic agonists. We used quantitative RT-PCR of total brain and Western blots of specific brain areas to study Ankk1 in murine brain after dopaminergic treatments. We found that Ankk1 mRNA was upregulated after activation of D1R-like dopamine receptors with SKF38393 (2.660 ± 1.035-fold; t: 4.066, df: 11, P = 0.002) and apomorphine (2.043 ± 0.595-fold; t: 3.782, df: 8, P = 0.005). The D2R-like agonist quinelorane has no effect upon Ankk1 mRNA (1.004 ± 0.580-fold; t: 0.015, df: 10, P = 0.9885). In contrast, mice treatment with the D2R-like agonists 7-OH-DPAT and aripiprazole caused a significant Ankk1 mRNA downregulation (0.606 ± 0.057-fold; t: 2.786, df: 10, P = 0.02 and 0.588 ± 0.130-fold; t: 2.394, df: 11, P = 0.036, respectively). With respect the Ankk1 proteins profile, no effects were found after SKF38393 (t: 0.54, df: 2, P = 0.643) and Quinelorane (t: 0.286, df: 8, P = 0.782) treatments. In contrast, the D2R-like agonist 7-OH-DPAT (±) caused a significant increment of Ankk1 in the striatum (t: 2.718, df: 7; P = 0.03) when compared to the prefrontal cortex. The activation of D1R-like and D2-R-like leads to opposite transcriptional regulation of Ankk1 by specific pathways.
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Affiliation(s)
- Guillermo Ponce
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario, Avda. Andalucía s/n, 28041, Madrid, Spain.,Red de Trastornos Adictivos (RTA), Madrid, Spain
| | - Adolfo Quiñones-Lombraña
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario, Avda. Andalucía s/n, 28041, Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain
| | - Noelia Guerra Martín-Palanco
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario, Avda. Andalucía s/n, 28041, Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain
| | - Estrella Rubio-Solsona
- Program of Rare and Genetic Diseases, Centro de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera 3, 46012, Valencia, Spain
| | - Miguel Ángel Jiménez-Arriero
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario, Avda. Andalucía s/n, 28041, Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain
| | - Tomás Palomo
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario, Avda. Andalucía s/n, 28041, Madrid, Spain.,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain
| | - Janet Hoenicka
- Laboratory of Neurosciences, Psychiatry Department, Instituto de Investigación Sanitaria del Hospital Universitario, Avda. Andalucía s/n, 28041, Madrid, Spain. .,Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Madrid, Spain. .,Program of Rare and Genetic Diseases, Centro de Investigación Príncipe Felipe, C/Eduardo Primo Yúfera 3, 46012, Valencia, Spain.
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Lengacher CA, Reich RR, Kip KE, Paterson CL, Park HY, Ramesar S, Jim HSL, Alinat CB, Park JY. Moderating Effects of Genetic Polymorphisms on Improvements in Cognitive Impairment in Breast Cancer Survivors Participating in a 6-Week Mindfulness-Based Stress Reduction Program. Biol Res Nurs 2015; 17:393-404. [PMID: 25882604 PMCID: PMC10131135 DOI: 10.1177/1099800415577633] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Breast cancer (BC) survivors often report cognitive impairment, which may be influenced by single-nucleotide polymorphisms (SNPs). The purpose of this study was to test whether particular SNPs were associated with changes in cognitive function in BC survivors and whether these polymorphisms moderated cognitive improvement resulting from the Mindfulness-Based Stress Reduction for Breast Cancer (MBSR[BC]) program. BC survivors recruited from Moffitt Cancer Center and the University of South Florida's Breast Health Program, who had completed adjuvant radiation and/or chemotherapy treatment, were randomized to either the 6-week MBSR(BC) program (n = 37) or usual care (UC; n = 35) group. Measures of cognitive function and demographic and clinical history data were attained at baseline and at 6 and 12 weeks. A total of 10 SNPs from eight genes known to be related to cognitive function were analyzed using blood samples. Results showed that SNPs in four genes (ankyrin repeat and kinase domain containing 1 [ANKK1], apolipoprotein E [APOE], methylenetetrahydrofolate reductase [MTHFR], and solute carrier family 6 member 4 [SLC6A4]) were associated with cognitive impairment. Further, rs1800497 in ANKK1 was significantly associated with improvements in cognitive impairment in response to MBSR(BC). These results may help to identify individuals who would be better served by MBSR(BC) or other interventions.
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Affiliation(s)
- Cecile A Lengacher
- College of Nursing, University of South Florida, Tampa, FL, USA Department of Health Outcomes and Behavior, Moffitt Cancer Center, Tampa, FL, USA
| | - Richard R Reich
- College of Arts and Sciences, University of South Florida Sarasota-Manatee, Sarasota, FL, USA Department of Biostatistics and Bioinformatics, Moffitt Cancer Center, Tampa, FL, USA
| | - Kevin E Kip
- College of Nursing, University of South Florida, Tampa, FL, USA
| | | | - Hyun Y Park
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
| | - Sophia Ramesar
- College of Nursing, University of South Florida, Tampa, FL, USA
| | - Heather S L Jim
- Department of Health Outcomes and Behavior, Moffitt Cancer Center, Tampa, FL, USA
| | | | - Jong Y Park
- Department of Cancer Epidemiology, Moffitt Cancer Center, Tampa, FL, USA
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The addiction-related gene ANKK1 in Parkinsonian patients with impulse control disorder. Neurotox Res 2014; 27:205-8. [PMID: 25447970 DOI: 10.1007/s12640-014-9504-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 10/28/2014] [Accepted: 11/20/2014] [Indexed: 12/21/2022]
Abstract
Impulse control disorders (ICDs) comprise a wide spectrum of abnormal behaviors frequently found in patients with Parkinson's disease (PD) receiving antiparkinsonian treatment. Some ICDs share several essential features with substance use disorders. In this work, we have studied the addiction-related gene ankyrin repeat and kinase domain containing I (ANKK1) in a sample of PD patients involved in a multicenter study on ICD. We carried out the TaqIA ANKK1 single-nucleotide polymorphism (SNP) genotyping in PD patients. Clinical assessment of ICD was performed using the Questionnaire for impulsive-compulsive disorders in PD. We found no association between TaqIA SNP and ICD in PD patients (p = 0.565). However, when PD patients were grouped according the diagnosis of any ICD with a potentially addictive reinforcement (ICDARs), A1- TaqIA genotype showed significant association (p = 0.036). No association was found for the presence of punding in PD patients (p = 0.289). A logistic regression analysis confirmed the independent effect of the A1- genotype upon ICDARs (OR 8.76, 95 % CI 1.3-57.8, Wald = 5.805, p = 0.024). The TaqIA genotype A1- is associated to ICDAR in our sample and it may differentiate two types of disorders which are part of the ICD definition in PD patients.
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Richter A, Guitart-Masip M, Barman A, Libeau C, Behnisch G, Czerney S, Schanze D, Assmann A, Klein M, Düzel E, Zenker M, Seidenbecher CI, Schott BH. Valenced action/inhibition learning in humans is modulated by a genetic variant linked to dopamine D2 receptor expression. Front Syst Neurosci 2014; 8:140. [PMID: 25147510 PMCID: PMC4123722 DOI: 10.3389/fnsys.2014.00140] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Accepted: 07/18/2014] [Indexed: 01/19/2023] Open
Abstract
Motivational salience plays an important role in shaping human behavior, but recent studies demonstrate that human performance is not uniformly improved by motivation. Instead, action has been shown to dominate valence in motivated tasks, and it is particularly difficult for humans to learn the inhibition of an action to obtain a reward, but the neural mechanism behind this behavioral specificity is yet unclear. In all mammals, including humans, the monoamine neurotransmitter dopamine is particularly important in the neural manifestation of appetitively motivated behavior, and the human dopamine system is subject to considerable genetic variability. The well-studied TaqIA restriction fragment length polymorphism (rs1800497) has previously been shown to affect striatal dopamine metabolism. In this study we investigated a potential effect of this genetic variation on motivated action/inhibition learning. Two independent cohorts consisting of 87 and 95 healthy participants, respectively, were tested using the previously described valenced go/no-go learning paradigm in which participants learned the reward-associated no-go condition significantly worse than all other conditions. This effect was modulated by the TaqIA polymorphism, with carriers of the A1 allele showing a diminished learning-related performance enhancement in the rewarded no-go condition compared to the A2 homozygotes. This result highlights a modulatory role for genetic variability of the dopaminergic system in individual learning differences of action-valence interaction.
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Affiliation(s)
- Anni Richter
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany
| | - Marc Guitart-Masip
- Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London London, UK ; Ageing Research Centre, Karolinska Institute Stockholm, Sweden
| | - Adriana Barman
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany
| | - Catherine Libeau
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany
| | - Gusalija Behnisch
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany
| | - Sophia Czerney
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany
| | - Denny Schanze
- Institute of Human Genetics, Otto von Guericke University of Magdeburg Magdeburg, Germany
| | - Anne Assmann
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany
| | - Marieke Klein
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany
| | - Emrah Düzel
- Institute of Cognitive Neurology and Dementia Research, Otto von Guericke University Magdeburg Magdeburg, Germany ; Institute of Cognitive Neuroscience, University College London London, UK ; German Center for Neurodegenerative Diseases Magdeburg, Germany ; Center for Behavioral Brain Sciences, Otto von Guericke University of Magdeburg Magdeburg, Germany
| | - Martin Zenker
- Institute of Human Genetics, Otto von Guericke University of Magdeburg Magdeburg, Germany
| | - Constanze I Seidenbecher
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany ; Center for Behavioral Brain Sciences, Otto von Guericke University of Magdeburg Magdeburg, Germany
| | - Björn H Schott
- Department of Neurochemistry and Molecular Biology, Department of Behavioral Neurology, Leibniz Institute for Neurobiology Magdeburg, Germany ; Center for Behavioral Brain Sciences, Otto von Guericke University of Magdeburg Magdeburg, Germany ; Department of Psychiatry, Charité University Hospital Berlin, Germany ; Department of Neurology, University of Magdeburg Magdeburg, Germany
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Cordeiro Q, Vallada H. Association study between the Taq1A (rs1800497) polymorphism and schizophrenia in a Brazilian sample. ARQUIVOS DE NEURO-PSIQUIATRIA 2014; 72:582-6. [DOI: 10.1590/0004-282x20140100] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2014] [Accepted: 05/26/2014] [Indexed: 11/22/2022]
Abstract
Schizophrenia is a severe psychotic disorder with recurrent relapse and functional impairment. It results from a poorly understood gene-environment interaction. The Taq1A polymorphism (located in the gene cluster NTAD) is a likely candidate for schizophrenia. Its rs1800497 polymorphism was shown to be associated with DRD2 gene expression. Therefore the present work aims to investigate a possible association between schizophrenia and such polymorphism. The compared distribution of the alleles and genotypes of the studied polymorphism was investigated in a Brazilian sample of 235 patients and 834 controls. Genotypic frequencies were in Hardy-Weinberg equilibrium. There was a trend of allelic association between the Taq1A polymorphism (rs1800497) with schizophrenia in the studied sample. However no statistically differences were found between cases and controls when analyzed by gender or schizophrenia subtypes.
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Shoji A. Miscegenation and heterogeneity of a Brazilian sample of schizophrenics: are they reason enough? ARQUIVOS DE NEURO-PSIQUIATRIA 2014; 72:580-581. [PMID: 25098473 DOI: 10.1590/0004-282x20140116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2014] [Accepted: 06/30/2014] [Indexed: 06/03/2023]
Affiliation(s)
- Alexandre Shoji
- Departamento de Medicina Nuclear, Faculdade de Medicina, Universidade de São Paulo, Sao Paulo, SP, Brazil
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Blum K, Oscar-Berman M, Badgaiyan RD, Palomo T, Gold MS. Hypothesizing dopaminergic genetic antecedents in schizophrenia and substance seeking behavior. Med Hypotheses 2014; 82:606-14. [PMID: 24636783 PMCID: PMC4039414 DOI: 10.1016/j.mehy.2014.02.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2013] [Revised: 02/12/2014] [Accepted: 02/17/2014] [Indexed: 01/05/2023]
Abstract
The dopamine system has been implicated in both substance use disorder (SUD) and schizophrenia. A recent meta-analysis suggests that A1 allele of the DRD2 gene imposes genetic risk for SUD, especially alcoholism and has been implicated in Reward Deficiency Syndrome (RDS). We hypothesize that dopamine D2 receptor (DRD2) gene Taq1 A2 allele is associated with a subtype of non-SUD schizophrenics and as such may act as a putative protective agent against the development of addiction to alcohol or other drugs of abuse. Schizophrenics with SUD may be carriers of the DRD2 Taq1 A1 allele, and/or other RDS reward polymorphisms and have hypodopaminergic reward function. One plausible mechanism for alcohol seeking in schizophrenics with SUD, based on previous research, may be a deficiency of gamma type endorphins that has been linked to schizophrenic type psychosis. We also propose that alcohol seeking behavior in schizophrenics, may serve as a physiological self-healing process linked to the increased function of the gamma endorphins, thereby reducing abnormal dopaminergic activity at the nucleus accumbens (NAc). These hypotheses warrant further investigation and cautious interpretation. We, therefore, encourage research involving neuroimaging, genome wide association studies (GWAS), and epigenetic investigation into the relationship between neurogenetics and systems biology to unravel the role of dopamine in psychiatric illness and SUD.
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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 Clinical Neurology, Path Research Foundation, New York, NY, USA; Department of Genomics, IGENE, LLC, Austin, TX, USA; Department of Psychiatry, Human Integrated Services Unit University of Vermont Center for Clinical & Translational Science, College of Medicine, Burlington, VT, USA; Dominion Diagnostics, LLC, North Kingstown, RI, USA; Department of Addiction Research & Therapy, Malibu Beach Recovery Center, Malibu Beach, CA, USA; RD Solutions, LLC, Research Center, Austin, TX, USA; Department of Nutrigenomics, RD Solutions, LLC, La Jolla, CA, USA.
| | - Marlene Oscar-Berman
- Departments of Psychiatry and Anatomy & Neurobiology, Boston University School of Medicine and Boston VA Healthcare System, Boston, MA, USA
| | - Rajendra D Badgaiyan
- Department of Psychiatry and Neuroimaging Laboratory, SUNY-at Buffalo, Buffalo, NY, USA
| | - Tomas Palomo
- Unidad de Alcoholismo y Patología Dual, Servicio de Psiquiatría, Hospital Universitario 12 de Octubre, Av. de Córdoba s/n, Madrid E-28041, Spain
| | - Mark S Gold
- Department of Psychiatry & McKnight Brain Institute, University of Florida College of Medicine, Gainesville, FL, USA
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Genetic risk prediction and neurobiological understanding of alcoholism. Transl Psychiatry 2014; 4:e391. [PMID: 24844177 PMCID: PMC4035721 DOI: 10.1038/tp.2014.29] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Accepted: 03/18/2014] [Indexed: 01/08/2023] Open
Abstract
We have used a translational Convergent Functional Genomics (CFG) approach to discover genes involved in alcoholism, by gene-level integration of genome-wide association study (GWAS) data from a German alcohol dependence cohort with other genetic and gene expression data, from human and animal model studies, similar to our previous work in bipolar disorder and schizophrenia. A panel of all the nominally significant P-value SNPs in the top candidate genes discovered by CFG (n=135 genes, 713 SNPs) was used to generate a genetic risk prediction score (GRPS), which showed a trend towards significance (P=0.053) in separating alcohol dependent individuals from controls in an independent German test cohort. We then validated and prioritized our top findings from this discovery work, and subsequently tested them in three independent cohorts, from two continents. A panel of all the nominally significant P-value single-nucleotide length polymorphisms (SNPs) in the top candidate genes discovered by CFG (n=135 genes, 713 SNPs) were used to generate a Genetic Risk Prediction Score (GRPS), which showed a trend towards significance (P=0.053) in separating alcohol-dependent individuals from controls in an independent German test cohort. In order to validate and prioritize the key genes that drive behavior without some of the pleiotropic environmental confounds present in humans, we used a stress-reactive animal model of alcoholism developed by our group, the D-box binding protein (DBP) knockout mouse, consistent with the surfeit of stress theory of addiction proposed by Koob and colleagues. A much smaller panel (n=11 genes, 66 SNPs) of the top CFG-discovered genes for alcoholism, cross-validated and prioritized by this stress-reactive animal model showed better predictive ability in the independent German test cohort (P=0.041). The top CFG scoring gene for alcoholism from the initial discovery step, synuclein alpha (SNCA) remained the top gene after the stress-reactive animal model cross-validation. We also tested this small panel of genes in two other independent test cohorts from the United States, one with alcohol dependence (P=0.00012) and one with alcohol abuse (a less severe form of alcoholism; P=0.0094). SNCA by itself was able to separate alcoholics from controls in the alcohol-dependent cohort (P=0.000013) and the alcohol abuse cohort (P=0.023). So did eight other genes from the panel of 11 genes taken individually, albeit to a lesser extent and/or less broadly across cohorts. SNCA, GRM3 and MBP survived strict Bonferroni correction for multiple comparisons. Taken together, these results suggest that our stress-reactive DBP animal model helped to validate and prioritize from the CFG-discovered genes some of the key behaviorally relevant genes for alcoholism. These genes fall into a series of biological pathways involved in signal transduction, transmission of nerve impulse (including myelination) and cocaine addiction. Overall, our work provides leads towards a better understanding of illness, diagnostics and therapeutics, including treatment with omega-3 fatty acids. We also examined the overlap between the top candidate genes for alcoholism from this work and the top candidate genes for bipolar disorder, schizophrenia, anxiety from previous CFG analyses conducted by us, as well as cross-tested genetic risk predictions. This revealed the significant genetic overlap with other major psychiatric disorder domains, providing a basis for comorbidity and dual diagnosis, and placing alcohol use in the broader context of modulating the mental landscape.
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Flores KG, Erdei E, Luo L, White KAM, Leng S, Berwick M, Lazovich D. A pilot study of genetic variants in dopamine regulators with indoor tanning and melanoma. Exp Dermatol 2013; 22:576-81. [PMID: 23947671 PMCID: PMC4102403 DOI: 10.1111/exd.12200] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/24/2013] [Indexed: 02/01/2023]
Abstract
Many people frequently tan indoors despite being aware of the increased risk of melanoma. Ultraviolet radiation is hypothesized to modify biological reward pathways, for example, through the dopamine neurotransmitter system, to reinforce tanning behaviour. In this pilot study, we relied on questionnaire and DNA data from a recently completed case-control study to examine 67 single-nucleotide polymorphisms (SNPs) and related haplotypes in five dopamine receptor and drug metabolism genes in relation to indoor tanning among controls. We also examined the association between individual SNPS and likelihood of melanoma, adjusting for or stratifying on indoor tanning status. In candidate and haplotype gene analyses, variants only in the DRD2 dopamine receptor and ANKK1 signalling genes were positively associated with indoor tanning use among controls; only associations for ANKK1 remained statistically significant (P < 0.05) after adjustment. Several SNPs in ANKK1 and DRD2 associated with indoor tanning among controls were also found to be associated with increased risk of melanoma. Upon stratifying for indoor tanning status, one ANKK1 SNP was positively associated with melanoma among non-tanners, while three DRD2 SNPS were positively associated with melanoma among tanners or non-tanners, depending on the SNP. These alleles represent important genomic regions to further explore addictive tanning behaviour.
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Affiliation(s)
- Kristina G Flores
- Department of Internal Medicine, University of New Mexico, Albuquerque, NM 87131, USA.
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46
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Rieck M, Schumacher-Schuh AF, Altmann V, Francisconi CL, Fagundes PT, Monte TL, Callegari-Jacques SM, Rieder CR, Hutz MH. DRD2 haplotype is associated with dyskinesia induced by levodopa therapy in Parkinson's disease patients. Pharmacogenomics 2013; 13:1701-10. [PMID: 23171335 DOI: 10.2217/pgs.12.149] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
AIM Dyskinesia and motor fluctuation are frequent and serious complications of chronic levodopa therapy in patients with Parkinson's disease. Since genetic factors could play a role in determining the occurrence of these problems, the aim of the present study was to investigate whether possible functional polymorphisms among DRD2 and ANKK1 genes are associated with the risk of developing dyskinesia and motor fluctuations in Parkinson's disease patients. PATIENTS & METHODS One hundred and ninety nine patients in treatment with levodopa were genotyped for the -141CIns/Del, rs2283265, rs1076560, C957T, TaqIA and rs2734849 polymorphisms at the DRD2/ANKK1 gene region. RESULTS Carriers of the TTCTA haplotype showed an increased risk for the presence of dyskinesia (p = 0.007; 1.538 [95% CI: 1.126-2.101]). CONCLUSION Our data suggest an influence of the DRD2/ANKK1 gene region on levodopa-induced dyskinesia.
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Affiliation(s)
- Mariana Rieck
- Departamento de Genética, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Caixa Postal 15053, 91501-970 Porto Alegre, RS, Brazil
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47
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Vereczkei A, Demetrovics Z, Szekely A, Sarkozy P, Antal P, Szilagyi A, Sasvari-Szekely M, Barta C. Multivariate analysis of dopaminergic gene variants as risk factors of heroin dependence. PLoS One 2013; 8:e66592. [PMID: 23840506 PMCID: PMC3696122 DOI: 10.1371/journal.pone.0066592] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2013] [Accepted: 05/08/2013] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Heroin dependence is a debilitating psychiatric disorder with complex inheritance. Since the dopaminergic system has a key role in rewarding mechanism of the brain, which is directly or indirectly targeted by most drugs of abuse, we focus on the effects and interactions among dopaminergic gene variants. OBJECTIVE To study the potential association between allelic variants of dopamine D2 receptor (DRD2), ANKK1 (ankyrin repeat and kinase domain containing 1), dopamine D4 receptor (DRD4), catechol-O-methyl transferase (COMT) and dopamine transporter (SLC6A3) genes and heroin dependence in Hungarian patients. METHODS 303 heroin dependent subjects and 555 healthy controls were genotyped for 7 single nucleotide polymorphisms (SNPs) rs4680 of the COMT gene; rs1079597 and rs1800498 of the DRD2 gene; rs1800497 of the ANKK1 gene; rs1800955, rs936462 and rs747302 of the DRD4 gene. Four variable number of tandem repeats (VNTRs) were also genotyped: 120 bp duplication and 48 bp VNTR in exon 3 of DRD4 and 40 bp VNTR and intron 8 VNTR of SLC6A3. We also perform a multivariate analysis of associations using Bayesian networks in Bayesian multilevel analysis (BN-BMLA). FINDINGS AND CONCLUSIONS In single marker analysis the TaqIA (rs1800497) and TaqIB (rs1079597) variants were associated with heroin dependence. Moreover, -521 C/T SNP (rs1800955) of the DRD4 gene showed nominal association with a possible protective effect of the C allele. After applying the Bonferroni correction TaqIB was still significant suggesting that the minor (A) allele of the TaqIB SNP is a risk component in the genetic background of heroin dependence. The findings of the additional multiple marker analysis are consistent with the results of the single marker analysis, but this method was able to reveal an indirect effect of a promoter polymorphism (rs936462) of the DRD4 gene and this effect is mediated through the -521 C/T (rs1800955) polymorphism in the promoter.
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Affiliation(s)
- Andrea Vereczkei
- Department of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest, Hungary
| | - Zsolt Demetrovics
- Institute of Psychology, Eötvös Loránd University, Budapest, Hungary
| | - Anna Szekely
- Institute of Psychology, Eötvös Loránd University, Budapest, Hungary
| | - Peter Sarkozy
- Technical University of Budapest, Measurement and Information Systems, Budapest, Hungary
| | - Peter Antal
- Technical University of Budapest, Measurement and Information Systems, Budapest, Hungary
| | - Agnes Szilagyi
- 3rd Department of Internal Medicine, Research Laboratory, Semmelweis University, Budapest, Hungary
| | - Maria Sasvari-Szekely
- Department of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest, Hungary
| | - Csaba Barta
- Department of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest, Hungary
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Richter A, Richter S, Barman A, Soch J, Klein M, Assmann A, Libeau C, Behnisch G, Wüstenberg T, Seidenbecher CI, Schott BH. Motivational salience and genetic variability of dopamine D2 receptor expression interact in the modulation of interference processing. Front Hum Neurosci 2013; 7:250. [PMID: 23760450 PMCID: PMC3672681 DOI: 10.3389/fnhum.2013.00250] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Accepted: 05/20/2013] [Indexed: 12/13/2022] Open
Abstract
Dopamine has been implicated in the fine-tuning of complex cognitive and motor function and also in the anticipation of future rewards. This dual function of dopamine suggests that dopamine might be involved in the generation of active motivated behavior. The DRD2 TaqIA polymorphism of the dopamine D2 receptor gene (rs1800497) has previously been suggested to affect striatal function with carriers of the less common A1 allele exhibiting reduced striatal D2 receptor density and increased risk for addiction. Here we aimed to investigate the influences of DRD2 TaqIA genotype on the modulation of interference processing by reward and punishment. Forty-six young, healthy volunteers participated in a behavioral experiment, and 32 underwent functional magnetic resonance imaging (fMRI). Participants performed a flanker task with a motivation manipulation (monetary reward, monetary loss, neither, or both). Reaction times (RTs) were shorter in motivated flanker trials, irrespective of congruency. In the fMRI experiment motivation was associated with reduced prefrontal activation during incongruent vs. congruent flanker trials, possibly reflecting increased processing efficiency. DRD2 TaqIA genotype did not affect overall RTs, but interacted with motivation on the congruency-related RT differences, with A1 carriers showing smaller interference effects to reward alone and A2 homozygotes exhibiting a specific interference reduction during combined reward (REW) and punishment trials (PUN). In fMRI, anterior cingulate activity showed a similar pattern of genotype-related modulation. Additionally, A1 carriers showed increased anterior insula activation relative to A2 homozygotes. Our results point to a role for genetic variations of the dopaminergic system in individual differences of cognition-motivation interaction.
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Affiliation(s)
- Anni Richter
- Department of Behavioral Neurology and Department of Neurochemistry and Molecular Biology, Leibniz Institute for Neurobiology Magdeburg, Germany
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Kwak Y, Bohnen NI, Müller MLTM, Dayalu P, Burke DT, Seidler RD. Task-dependent interactions between dopamine D2 receptor polymorphisms and L-DOPA in patients with Parkinson's disease. Behav Brain Res 2013; 245:128-36. [PMID: 23439215 DOI: 10.1016/j.bbr.2013.02.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Revised: 01/31/2013] [Accepted: 02/14/2013] [Indexed: 02/04/2023]
Abstract
Variants in genes regulating dopamine transmission affect performance on tasks including working memory and executive function as well as temporal processing and sequence learning. In the current study, we determined whether a dopamine D2 receptor DNA sequence polymorphism interacts with L-DOPA during motor tasks in patients with Parkinson's disease (PD). Forty-five PD patients were genotyped for the DRD2 polymorphism (rs 1076560, G>T). Patients performed an explicit motor sequence learning task and the grooved pegboard test in both ON and OFF L-DOPA states. For motor sequence learning, DRD2 genotype mediated L-DOPA effects such that L-DOPA associated improvements were only observed in the minor T allele carriers (associated with lower D2 receptor availability, t10=-2.71, p=0.022), whereas G homozygotes showed no performance change with L-DOPA. For the grooved pegboard test, performance improved with L-DOPA independent of patients' DRD2 genotype. Collectively these results demonstrate that common DRD2 allelic differences found in the human population may explain how dopamine differentially contributes to performance across tasks and individuals.
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Affiliation(s)
- Y Kwak
- Neuroscience Program, University of Michigan, USA.
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50
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Giegling I, Balzarro B, Porcelli S, Schäfer M, Hartmann AM, Friedl M, Konte B, Krämer P, Möller HJ, De Ronchi D, Stassen HH, Serretti A, Rujescu D. Influence of ANKK1 and DRD2 polymorphisms in response to haloperidol. Eur Arch Psychiatry Clin Neurosci 2013; 263:65-74. [PMID: 22893251 DOI: 10.1007/s00406-012-0348-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 07/27/2012] [Indexed: 10/28/2022]
Abstract
The present study explores whether ankyrin repeat and kinase domain containing 1 (ANKK1) and dopamine receptor D2 (DRD2) variants could predict efficacy and tolerability of haloperidol in the treatment of psychotic patients. We also attempted to replicate findings in a group of schizophrenic patients from the Clinical Antipsychotic Trials in Intervention Effectiveness (CATIE) study. Eighty-eight acutely psychotic patients were genotyped for 9 ANKK1 and 27 DRD2 SNPs. Treatment efficacy and tolerability were assessed using the Positive and Negative Symptoms Scale and the Udvalg for Kliniske Undersogelser side effects rating scales, respectively. Multivariate analyses were employed to test possible influences of single-nucleotide polymorphisms on clinical and safety variables. Analysis of haplotypes was also performed. Outcomes in the replication sample were response versus nonresponse and the presence versus absence of motor side effects at 1 month of treatment. rs2242592 within ANKK1 gene and rs1124493 within DRD2 gene were associated with clinical improvement (p = 0.008 and p = 0.001, respectively). Results were confirmed in the allelic analysis. Three haplotype blocks, one among ANKK1 and two among DRD2 gene were associated with better clinical improvement. Our results were not replicated in the CATIE sample, although rs11604671, which is in strong linkage disequilibrium with rs2242592, was associated with response in the replication sample. Our findings support a possible role of ANKK1 and DRD2 variability on haloperidol efficacy. However, due to the discrepancies between the results in the two samples, our results need further validation.
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Affiliation(s)
- Ina Giegling
- Department of Psychiatry, Ludwig Maximilians University, Munich, Germany
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