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Treutlein J, Löhlein S, Einenkel KE, Picotin R, Diekhof EK, Gruber O. Association of Unc-51-like Kinase 4 ( ULK4) with the reactivity of the extended reward system in response to conditioned stimuli. World J Biol Psychiatry 2024:1-8. [PMID: 39185807 DOI: 10.1080/15622975.2024.2393381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 08/05/2024] [Accepted: 08/13/2024] [Indexed: 08/27/2024]
Abstract
OBJECTIVES ULK4 is an established candidate gene for mental disorders and antipsychotic treatment response. We investigated the association of functional genetic variation at the ULK4 locus with the human extended dopaminergic reward system using fMRI during the performance of a well-established reward paradigm. METHODS Two hundred and thirty-four patients were included in this study. Association of genetic variation in the ULK4 gene with reward system functioning were determined using the Desire-Reason-Dilemma (DRD) paradigm which allows to assess brain activation in response to conditioned reward stimuli. RESULTS Variant prioritisation revealed the strongest functional signatures for the ULK4 variant rs17215589, coding for amino acid exchange Ala715Thr. For rs17215589 minor allele carriers, we detected increased activation responses to conditioned reward stimuli in the ventral tegmental area, nucleus accumbens and several cortical brain regions of the extended reward system. CONCLUSIONS Our findings provide further evidence in humans that genetic variation in ULK4 may increase the vulnerability to mental disorders, by modulating the extended reward system function. Future studies are needed to confirm the modulation of the extended reward system by ULK4 and to specify the role of this mechanism in the pathogenesis of psychiatric disorders.
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Affiliation(s)
- Jens Treutlein
- Section for Experimental Psychopathology and Neuroimaging, Department of General Psychiatry, Heidelberg University, Heidelberg, Germany
| | - Simone Löhlein
- Section for Experimental Psychopathology and Neuroimaging, Department of General Psychiatry, Heidelberg University, Heidelberg, Germany
- Institute of Flight Systems, University of the Bundeswehr Munich, Munich, Germany
| | - Karolin E Einenkel
- Section for Experimental Psychopathology and Neuroimaging, Department of General Psychiatry, Heidelberg University, Heidelberg, Germany
| | - Rosanne Picotin
- Section for Experimental Psychopathology and Neuroimaging, Department of General Psychiatry, Heidelberg University, Heidelberg, Germany
| | - Esther K Diekhof
- Institute for Cell- and Systemsbiology of Animals, Department of Biology, Neuroendocrinology Unit, Universität Hamburg, Hamburg, Germany
- Department of Psychiatry and Psychotherapy, Center for Translational Research in Systems Neuroscience and Clinical Psychiatry, Georg August University Göttingen, Göttingen, Germany
| | - Oliver Gruber
- Section for Experimental Psychopathology and Neuroimaging, Department of General Psychiatry, Heidelberg University, Heidelberg, Germany
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Gilman JM, Kaur J, Tervo-Clemmens B, Potter K, Sanzo BT, Schuster RM, Bjork JM, Evins AE, Roffman JL, Lee PH. Associations between behavioral and self-reported impulsivity, brain structure, and genetic influences in middle childhood. Dev Cogn Neurosci 2024; 67:101389. [PMID: 38749217 PMCID: PMC11112269 DOI: 10.1016/j.dcn.2024.101389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/29/2024] [Accepted: 05/09/2024] [Indexed: 05/26/2024] Open
Abstract
Impulsivity undergoes a normative developmental trajectory from childhood to adulthood and is thought to be driven by maturation of brain structure. However, few large-scale studies have assessed associations between impulsivity, brain structure, and genetic susceptibility in children. In 9112 children ages 9-10 from the ABCD study, we explored relationships among impulsivity (UPPS-P impulsive behavior scale; delay discounting), brain structure (cortical thickness (CT), cortical volume (CV), and cortical area (CA)), and polygenic scores for externalizing behavior (PGSEXT). Both higher UPPS-P total scores and more severe delay-discounting had widespread, low-magnitude associations with smaller CA in frontal and temporal regions. No associations were seen between impulsivity and CV or CT. Additionally, higher PGSEXT was associated with both higher UPPS-P scores and with smaller CA and CV in frontal and temporal regions, but in non-overlapping cortical regions, underscoring the complex interplay between genetics and brain structure in influencing impulsivity. These findings indicate that, within large-scale population data, CA is significantly yet weakly associated with each of these impulsivity measures and with polygenic risk for externalizing behaviors, but in distinct brain regions. Future work should longitudinally assess these associations through adolescence, and examine associated functional outcomes, such as future substance use and psychopathology.
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Affiliation(s)
- Jodi M Gilman
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA.
| | - Jasmeen Kaur
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA
| | - Brenden Tervo-Clemmens
- Department of Psychiatry & Behavioral Science, Masonic Institute for the Developing Brain, Institute for Translational Neuroscience, University of Minnesota, USA
| | - Kevin Potter
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA
| | - Brandon T Sanzo
- Massachusetts General Hospital (MGH) Psychiatric and Neurodevelopmental Genetics Unit Center for Genomic Medicine, Massachusetts General Hospital (MGH), MA, USA
| | - Randi M Schuster
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - James M Bjork
- Institute for Drug and Alcohol Studies, Virginia Commonwealth University, VA, USA
| | - A Eden Evins
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA
| | - Joshua L Roffman
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; MGH/HST Athinoula A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Phil H Lee
- Massachusetts General Hospital (MGH) Department of Psychiatry, Boston, MA, USA; Harvard Medical School, Boston, MA, USA; Massachusetts General Hospital (MGH) Psychiatric and Neurodevelopmental Genetics Unit Center for Genomic Medicine, Massachusetts General Hospital (MGH), MA, USA
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Bunford N, Hámori G, Nemoda Z, Angyal N, Fiáth R, Sebők-Welker TÉ, Pászthy B, Ulbert I, Réthelyi JM. The domain-variant indirect association between electrophysiological response to reward and ADHD presentations is moderated by dopaminergic polymorphisms. Compr Psychiatry 2023; 124:152389. [PMID: 37104986 DOI: 10.1016/j.comppsych.2023.152389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 03/24/2023] [Accepted: 04/13/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND Understanding the etiopathogenesis of attention-deficit/hyperactivity disorder (ADHD) may necessitate decomposition of the heterogeneous clinical phenotype into more homogeneous intermediate phenotypes. Reinforcement sensitivity is a promising candidate, but the exact nature of the ADHD-reward relation - including how, for whom, and to which ADHD dimensions atypicalities in reward processing are relevant - is equivocal. METHODS Aims were to examine, in a carefully phenotyped sample of adolescents (N = 305; Mage = 15.30 years, SD = 1.07; 39.7% girls), whether functional dopaminergic polymorphisms implicated in both reward processing and ADHD (1) are differentially associated with event-related potentials (ERPs) of reward anticipation at distinct levels of ADHD risk (nno risk = 174, nat-risk = 131, ndiagnosed = 83); and (2) moderate the indirect effect of dispositional affectivity on the association between ERPs and ADHD domains. RESULTS In adolescents at-risk for or with ADHD, carrying a hypodopaminergic allele was associated with enhanced ERPs of attention allocation to cue and attenuated ERPs of anticipatory attention to feedback. No associations were observed in adolescents not at-risk for or without ADHD. Controlling for age and sex, both the negative indirect effect of positive affectivity (PA) on the association between ERPs and inattention and the positive indirect effect of PA on the association between ERPs and hyperactivity/impulsivity were supported only for those with high activity dopamine transporter (DAT) alleles. CONCLUSIONS Reward and affective processing are promising intermediate phenotypes relevant to disentangling ADHD developmental pathways. Consistent with developmental multifinality, through the successive effects of reward anticipation and positive affectivity, functional dopaminergic variants may confer protection against inattention or risk for hyperactivity/impulsivity.
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Affiliation(s)
- N Bunford
- Research Centre for Natural Sciences Institute of Cognitive Neuroscience and Psychology, Clinical and Developmental Neuropsychology Research Group, Magyar Tudósok körútja 2., H-1117 Budapest, Hungary.
| | - Gy Hámori
- Research Centre for Natural Sciences Institute of Cognitive Neuroscience and Psychology, Clinical and Developmental Neuropsychology Research Group, Magyar Tudósok körútja 2., H-1117 Budapest, Hungary; Department of Cognitive Science, Faculty of Natural Sciences, Budapest University of Technology and Economics, Műegyetem rkp. 3., H-1111 Budapest, Hungary
| | - Z Nemoda
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, Tűzoltó utca 37-47., H-1094 Budapest, Hungary
| | - N Angyal
- Department of Molecular Biology, Institute of Biochemistry and Molecular Biology, Semmelweis University, Tűzoltó utca 37-47., H-1094 Budapest, Hungary
| | - R Fiáth
- Integrative Neuroscience Research Group, Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Magyar Tudósok körútja 2., H-1117 Budapest, Hungary; Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Práter utca 50/A., H-1083 Budapest, Hungary
| | - T É Sebők-Welker
- Research Centre for Natural Sciences Institute of Cognitive Neuroscience and Psychology, Clinical and Developmental Neuropsychology Research Group, Magyar Tudósok körútja 2., H-1117 Budapest, Hungary; Doctoral School of Mental Health Sciences, Semmelweis University, Balassa u. 6., 1083 Budapest, Hungary
| | - B Pászthy
- Pediatric Center, MTA Center of Excellence, Semmelweis University, Bókay János u. 53-43., H-1083 Budapest, Hungary
| | - I Ulbert
- Integrative Neuroscience Research Group, Institute of Cognitive Neuroscience and Psychology, Research Centre for Natural Sciences, Magyar Tudósok körútja 2., H-1117 Budapest, Hungary; Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Práter utca 50/A., H-1083 Budapest, Hungary
| | - J M Réthelyi
- Department of Psychiatry and Psychotherapy, Faculty of Medicine, Semmelweis University, Balassa u. 6., H-1083 Budapest, Hungary
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Omlor N, Richter M, Goltermann J, Steinmann LA, Kraus A, Borgers T, Klug M, Enneking V, Redlich R, Dohm K, Repple J, Leehr EJ, Grotegerd D, Kugel H, Bauer J, Dannlowski U, Opel N. Treatment with the second-generation antipsychotic quetiapine is associated with increased subgenual ACC activation during reward processing in major depressive disorder. J Affect Disord 2023; 329:404-412. [PMID: 36842646 DOI: 10.1016/j.jad.2023.02.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 02/10/2023] [Accepted: 02/20/2023] [Indexed: 02/28/2023]
Abstract
BACKGROUND The second-generation antipsychotic (SGA) quetiapine is an essential option for antidepressant augmentation therapy in major depressive disorder (MDD), yet neurobiological mechanisms behind its antidepressant properties remain unclear. As SGAs interfere with activity in reward-related brain areas, including the anterior cingulate cortex (ACC) - a key brain region in antidepressant interventions, this study examined whether quetiapine treatment affects ACC activity during reward processing in MDD patients. METHODS Using the ACC as region of interest, an independent t-test comparing reward-related BOLD response of 51 quetiapine-taking and 51 antipsychotic-free MDD patients was conducted. Monetary reward outcome feedback was measured in a card-guessing paradigm using pseudorandom blocks. Participants were matched for age, sex, and depression severity and analyses were controlled for confounding variables, including total antidepressant medication load, illness chronicity and acute depression severity. Potential dosage effects were examined in a 3 × 1 ANOVA. Differences in ACC-related functional connectivity were assessed in psycho-physiological interaction (PPI) analyses. RESULTS Left subgenual ACC activity was significantly higher in the quetiapine group compared to antipsychotic-free participants and dependent on high-dose quetiapine intake. Results remained significant after controlling for confounding variables. The PPI analysis did not yield significant group differences in ACC-related functional connectivity. LIMITATIONS Causal interpretation is limited due to cross-sectional findings. CONCLUSION Elevated subgenual ACC activity to rewarding stimuli may represent a neurobiological marker and potential key interface of quetiapine's antidepressant effects in MDD. These results underline ACC activity during reward processing as an investigative avenue for future research and therapeutic interventions to improve MDD treatment outcomes.
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Affiliation(s)
- Nicola Omlor
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Maike Richter
- Institute for Translational Psychiatry, University of Münster, Germany; Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany
| | - Janik Goltermann
- Institute for Translational Psychiatry, University of Münster, Germany
| | | | - Anna Kraus
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Tiana Borgers
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Melissa Klug
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Verena Enneking
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Ronny Redlich
- Institute for Translational Psychiatry, University of Münster, Germany; Department of Psychology, Martin-Luther University of Halle, Germany; German Center for Mental Health (DZPG), Site Jena-Magdeburg-Halle, Germany
| | - Katharina Dohm
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Jonathan Repple
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Elisabeth J Leehr
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Dominik Grotegerd
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Harald Kugel
- University Clinic for Radiology, University of Münster, Germany
| | - Jochen Bauer
- University Clinic for Radiology, University of Münster, Germany
| | - Udo Dannlowski
- Institute for Translational Psychiatry, University of Münster, Germany
| | - Nils Opel
- Institute for Translational Psychiatry, University of Münster, Germany; Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany; Center for Intervention and Research on adaptive and maladaptive brain Circuits underlying mental health (C-I-R-C), Jena-Magdeburg-Halle, Germany; German Center for Mental Health (DZPG), Site Jena-Magdeburg-Halle, Germany.
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Weinstein AM. Reward, motivation and brain imaging in human healthy participants - A narrative review. Front Behav Neurosci 2023; 17:1123733. [PMID: 37035621 PMCID: PMC10079947 DOI: 10.3389/fnbeh.2023.1123733] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/10/2023] [Indexed: 04/11/2023] Open
Abstract
Over the past 20 years there has been an increasing number of brain imaging studies on the mechanisms underlying reward motivation in humans. This narrative review describes studies on the neural mechanisms associated with reward motivation and their relationships with cognitive function in healthy human participants. The brain's meso-limbic dopamine reward circuitry in humans is known to control reward-motivated behavior in humans. The medial and lateral Pre-Frontal Cortex (PFC) integrate motivation and cognitive control during decision-making and the dorsolateral PFC (dlPFC) integrates and transmits signals of reward to the mesolimbic and meso-cortical dopamine circuits and initiates motivated behavior. The thalamus and insula influence incentive processing in humans and the motor system plays a role in response to action control. There are reciprocal relationships between reward motivation, learning, memory, imagery, working memory, and attention. The most common method of assessing reward motivation is the monetary incentive delay task (DMRT) and there are several meta-analyses of this paradigm. Genetics modulates motivation reward, and dopamine provides the basis for the interaction between motivational and cognitive control. There is some evidence that male adolescents take more risky decisions than female adolescents and that the lateralization of reward-related DA release in the ventral striatum is confined to men. These studies have implications for our understanding of natural reward and psychiatric conditions like addiction, depression and ADHD. Furthermore, the association between reward and memory can help develop treatment techniques for drug addiction that interfere with consolidation of memory. Finally, there is a lack of research on reward motivation, genetics and sex differences and this can improve our understanding of the relationships between reward, motivation and the brain.
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Psychometric properties of the Arabic version of Barratt Impulsiveness Scale 11: The development of short form. Arch Psychiatr Nurs 2023; 43:1-8. [PMID: 37032002 DOI: 10.1016/j.apnu.2022.12.022] [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: 05/30/2022] [Revised: 12/12/2022] [Accepted: 12/28/2022] [Indexed: 01/05/2023]
Abstract
Impulsivity is an important mental health-related variable that has been associated with various human behaviors. The Barratt Impulsiveness Scale is the most frequently used measure to examine impulsivity. However, its psychometric and factor structure was not examined in Arabic speaking population. The goal of the current study was to examine the psychometric properties and factor structure of the Barratt Impulsiveness Scale in Arabic speaking population. The current study used a cross-sectional design. Two independent samples were recruited: college students (N = 250) and persons with heart failure (N = 165). Exploratory factor analysis, then a series of confirmatory factor analyses were used to assess one- and three-factor models of the Barratt Impulsiveness Scale (30 items; i.e., BIS-11) and Barratt Impulsiveness Scale (15 items; i.e., BIS-15). Because our analysis did not support the factor structure of the previous versions of the Barratt Impulsiveness Scale, we used confirmatory factor analysis to evaluate the model structure of the single-factor measure. To assess the measurement invariance, the newly developed measure was examined across different genders and populations. Due to poor psychometrics of BIS-11 and BIS-15, a short form (BIS-SF) was developed; and validity, reliability, and measurement invariance were supported. The current analysis showed that BIS-11 and BIS-15 have poor psychometrics. Thus, there was a need to improve the measure by reducing the number of items and re-evaluating the psychometrics of the new measure. The BIS-SF is a reliable, valid tool to assess impulsivity in our samples. Other studies need to support the current study findings in populations with other chronic illnesses.
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Theorizing the Role of Dopaminergic Polymorphic Risk Alleles with Intermittent Explosive Disorder (IED), Violent/Aggressive Behavior and Addiction: Justification of Genetic Addiction Risk Severity (GARS) Testing. J Pers Med 2022; 12:jpm12121946. [PMID: 36556167 PMCID: PMC9784939 DOI: 10.3390/jpm12121946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/09/2022] [Accepted: 11/17/2022] [Indexed: 11/25/2022] Open
Abstract
Scientific studies have provided evidence that there is a relationship between violent and aggressive behaviors and addictions. Genes involved with the reward system, specifically the brain reward cascade (BRC), appear to be associated with various addictions and impulsive, aggressive, and violent behaviors. In our previous research, we examined the Taq A1 allele (variant D2 dopamine receptor gene) and the DAT-40 base repeat (a variant of the dopamine transporter gene) in 11 Caucasian boys at the Brown School in San Marcus, Texas, diagnosed with intermittent explosive disorder. Thirty supernormal controls were screened to exclude several reward-deficit behaviors, including pathological violence, and genotyped for the DRD2 gene. Additionally, 91 controls were screened to exclude ADHD, pathological violence, alcoholism, drug dependence, and tobacco abuse, and their results were compared with DAT1 genotype results. In the schoolboys vs. supercontrols, there was a significant association with the D2 variant and a trend with the dopamine transporter variant. Results support our hypothesis and the involvement of at least two gene risk alleles with adolescent violent/aggressive behaviors. This study and the research presented in this paper suggest that violent/aggressive behaviors are associated with a greater risk of addiction, mediated via various genes linked to the BRC. This review provides a contributory analysis of how gene polymorphisms, especially those related to the brain reward circuitry, are associated with violent behaviors.
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Gao Y, Xiong Y, Liu X, Liu J, Li J, Wang H. Examining how and why polygenic dopamine composite levels moderate adolescents' vulnerability to peer victimization. Child Adolesc Psychiatry Ment Health 2022; 16:84. [PMID: 36397091 PMCID: PMC9670640 DOI: 10.1186/s13034-022-00521-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 11/05/2022] [Indexed: 11/19/2022] Open
Abstract
Extensive literature documents that dopaminergic genes play an important role in the link between adverse environments and adolescents' problem behavior. However, little is known about the potential mechanism underlying adolescents' vulnerability to peer victimization. The current study examined the effect of the interplay between a polygenic dopamine composite (i.e., COMT Val158Met and DRD2-141C Ins/Del polymorphisms) and peer victimization on adolescents' externalizing problems as well as the mediating role of emotion dysregulation in the interactive effects in a sample of 393 Chinese adolescents (Mean age = 14.71 years; 50.1% girls). A significant moderation of dopaminergic genetic composite was observed in girls but not in boys. In addition, emotion dysregulation partially explained the moderating effect of dopaminergic genes. Specifically, girls with genic composite indexing low dopamine activity reported a higher level of emotion dysregulation when faced with more peer victimization. More difficulties with emotion regulation, in turn, predicted more pronounced externalizing problems in girls. This study underscores polygenic underpinnings of adolescent vulnerability to negative peer experiences and suggests the importance of considering sex differences when investigating genic influence on the relationship between adverse environments and externalizing problems.
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Affiliation(s)
- Yemiao Gao
- grid.20513.350000 0004 1789 9964Institute of Developmental Psychology, Faculty of Psychology, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, China
| | - Yuke Xiong
- grid.20513.350000 0004 1789 9964Collaborative Innovation Center of Assessment Toward Basic Education Quality, Beijing Normal University, Beijing, China
| | - Xia Liu
- Institute of Developmental Psychology, Faculty of Psychology, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, China.
| | - Jinmeng Liu
- grid.20513.350000 0004 1789 9964Institute of Developmental Psychology, Faculty of Psychology, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, China
| | - Jinwen Li
- grid.20513.350000 0004 1789 9964Institute of Developmental Psychology, Faculty of Psychology, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, China
| | - Hui Wang
- grid.20513.350000 0004 1789 9964Institute of Developmental Psychology, Faculty of Psychology, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing, China
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Steinmann LA, Dohm K, Goltermann J, Richter M, Enneking V, Lippitz M, Repple J, Mauritz M, Dannlowski U, Opel N. Understanding the neurobiological basis of anhedonia in major depressive disorder - evidence for reduced neural activation during reward and loss processing. J Psychiatry Neurosci 2022; 47:E284-E292. [PMID: 35948341 PMCID: PMC9377543 DOI: 10.1503/jpn.210180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 04/16/2021] [Accepted: 05/08/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Anhedonia is a key symptom of major depressive disorder (MDD). Anhedonia is associated with aberrant reward processing, but whether it might interfere similarly with the neural processing of aversive stimuli, such as monetary loss, remains unknown. We aimed to investigate potential associations between anhedonia and neural response during reward and loss processing in patients with MDD. METHODS We investigated blood-oxygen-level-dependent response in the orbitofrontal cortex, cingulate cortex, insula and basal ganglia during monetary reward and loss processing in 182 patients with MDD, using a card-guessing paradigm. We measured anhedonia with the Social and Physical Anhedonia Scale (SASPAS), and we tested for the main and interaction effects of SASPAS scores and the experimental condition (reward or loss) in a full factorial model. RESULTS We detected a negative main effect of anhedonia, as well as a significant interaction effect of anhedonia and the experimental condition, on orbitofrontal and insular neural response. Post hoc analyses revealed that the interaction was driven by a significant association between higher anhedonia scores and hypoactivation during loss processing. We observed no significant association between anhedonia and neural response during reward processing. LIMITATIONS This study had a cross-sectional design. CONCLUSION Our findings confirmed that altered neural processing in the orbitofrontal cortex and insula is a neurobiological feature of anhedonic symptomatology in people with MDD. The pronounced association between anhedonia and blunted neural response during loss processing supports a broader concept for the neurobiological basis of anhedonia. Hence, MDD with anhedonic features might be characterized by reduced neural response to external stimuli, potentially because of amotivation.
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Affiliation(s)
- Lavinia A Steinmann
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel).
| | - Katharina Dohm
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Janik Goltermann
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Maike Richter
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Verena Enneking
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Marcia Lippitz
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Jonathan Repple
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Marco Mauritz
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Udo Dannlowski
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
| | - Nils Opel
- From the Institute for Translational Psychiatry, University of Münster, Münster, Germany (Steinmann, Dohm, Goltermann, Richter, Enneking, Lippitz, Repple, Mauritz, Dannlowski, Opel); the Department of Psychiatry, Psychotherapy and Psychosomatic Medicine, University Hospital of Frankfurt/Goethe University, Frankfurt am Main, Germany (Repple); and the Department of Psychiatry, Jena University Hospital/Friedrich-Schiller-University Jena, Jena, Germany (Opel)
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10
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Associations between Omega-3 Index, Dopaminergic Genetic Variants and Aggressive and Metacognitive Traits: A Study in Adult Male Prisoners. Nutrients 2022; 14:nu14071379. [PMID: 35405990 PMCID: PMC9002862 DOI: 10.3390/nu14071379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/21/2022] [Accepted: 03/22/2022] [Indexed: 12/22/2022] Open
Abstract
Omega-3 long-chain polyunsaturated fatty acids (n-3 LCPUFA) are critical for cell membrane structure and function. Human beings have a limited ability to synthesise docosahexaenoic acid (DHA), the main n-3 LCPUFA required for neurological development. Inadequate levels of n-3 LCPUFA can affect the dopaminergic system in the brain and, when combined with genetic and other factors, increase the risk of developing aggression, inattention and impulse-control disorders. In this study, male prisoners were administered questionnaires assessing aggressive behaviour and executive functions. Participants also produced blood sampling for the measurement of the Omega-3 Index and the genotyping of dopaminergic genetic variants. Significant associations were found between functional genetic polymorphism in DBH rs1611115 and verbal aggression and between DRD2 rs4274224 and executive functions. However, the Omega-3 Index was not significantly associated with the tested dopaminergic polymorphisms. Although previous interactions between specific genotypes and n-3 LCPUFA were previously reported, they remain limited and poorly understood. We did not find any association between n-3 LCPUFA and dopaminergic polymorphisms in adult male prisoners; however, we confirmed the importance of genetic predisposition for dopaminergic genes (DBH and DRD2) in aggressive behaviour, memory dysfunction and attention-deficit disorder.
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11
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Parr AC, Calancie OG, Coe BC, Khalid-Khan S, Munoz DP. Impulsivity and Emotional Dysregulation Predict Choice Behavior During a Mixed-Strategy Game in Adolescents With Borderline Personality Disorder. Front Neurosci 2022; 15:667399. [PMID: 35237117 PMCID: PMC8882924 DOI: 10.3389/fnins.2021.667399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 12/28/2021] [Indexed: 11/13/2022] Open
Abstract
Impulsivity and emotional dysregulation are two core features of borderline personality disorder (BPD), and the neural mechanisms recruited during mixed-strategy interactions overlap with frontolimbic networks that have been implicated in BPD. We investigated strategic choice patterns during the classic two-player game, Matching Pennies, where the most efficient strategy is to choose each option randomly from trial-to-trial to avoid exploitation by one’s opponent. Twenty-seven female adolescents with BPD (mean age: 16 years) and twenty-seven age-matched female controls (mean age: 16 years) participated in an experiment that explored the relationship between strategic choice behavior and impulsivity in both groups and emotional dysregulation in BPD. Relative to controls, BPD participants showed marginally fewer reinforcement learning biases, particularly decreased lose-shift biases, increased variability in reaction times (coefficient of variation; CV), and a greater percentage of anticipatory decisions. A subset of BPD participants with high levels of impulsivity showed higher overall reward rates, and greater modulation of reaction times by outcome, particularly following loss trials, relative to control and BPD participants with lower levels of impulsivity. Additionally, BPD participants with higher levels of emotional dysregulation showed marginally increased reward rate and increased entropy in choice patterns. Together, our preliminary results suggest that impulsivity and emotional dysregulation may contribute to variability in mixed-strategy decision-making in female adolescents with BPD.
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Affiliation(s)
- Ashley C. Parr
- Centre for Neuroscience Studies, Queen’s University, Kingston, ON, Canada
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, United States
- Division of Child and Youth Mental Health, Kingston Health Sciences Centre, Kingston, ON, Canada
- *Correspondence: Ashley C. Parr,
| | - Olivia G. Calancie
- Centre for Neuroscience Studies, Queen’s University, Kingston, ON, Canada
- Division of Child and Youth Mental Health, Kingston Health Sciences Centre, Kingston, ON, Canada
| | - Brian C. Coe
- Centre for Neuroscience Studies, Queen’s University, Kingston, ON, Canada
| | - Sarosh Khalid-Khan
- Centre for Neuroscience Studies, Queen’s University, Kingston, ON, Canada
- Division of Child and Youth Mental Health, Kingston Health Sciences Centre, Kingston, ON, Canada
| | - Douglas P. Munoz
- Centre for Neuroscience Studies, Queen’s University, Kingston, ON, Canada
- Department of Biomedical and Molecular Sciences, Queen’s University, Kingston, ON, Canada
- Douglas P. Munoz,
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12
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Pfeifer P, Sebastian A, Buchholz HG, Kaller CP, Gründer G, Fehr C, Schreckenberger M, Tüscher O. Prefrontal and striatal dopamine D 2/D 3 receptors correlate with fMRI BOLD activation during stopping. Brain Imaging Behav 2022; 16:186-198. [PMID: 34403039 PMCID: PMC8825403 DOI: 10.1007/s11682-021-00491-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2021] [Indexed: 11/02/2022]
Abstract
D2-like dopamine receptors in animals and humans have been shown to be linked to impulsive behaviors that are highly relevant for several psychiatric disorders. Here, we investigate the relationship between the fronto-striatal D2/D3 dopamine receptor availability and response inhibition in a selected population of healthy OPRM1 G-allele carriers. Twenty-two participants successively underwent blood-oxygen level dependent functional magnetic resonance imaging (fMRI) while performing a stop-signal task and a separate positron emission tomography (PET) scan. Striatal and extrastriatal D2/D3 dopamine receptor availability was measured using the radiotracer [18F]fallypride. Caudate D2/D3 dopamine receptor availability positively correlated with stopping-related fronto-striatal fMRI activation. In addition, right prefrontal D2/D3 dopamine receptor availability correlated positively with stopping-related striatal fMRI BOLD signal. Our study partially replicates previous findings on correlations between striatal D2/D3 dopamine receptor availability and response inhibition in a population selected for its genetic determination of dopamine response to alcohol and as a modulator of impulse control via the endogenous opioid system. We confirm the important role of D2/D3 dopamine receptor availability in the fronto-striatal neural circuit for response inhibition. Moreover, we extend previous findings suggesting that dopamine receptor availability in the right inferior frontal cortex, a crucial region of the stopping network, is also strongly associated with stopping-related striatal fMRI activity in healthy OPRM1 G-allele carriers.
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Affiliation(s)
- Philippe Pfeifer
- University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland.
| | - Alexandra Sebastian
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg University Mainz, Untere Zahlbacher Straße 8, 55131, Mainz, Germany
- Leibniz Institute for Resilience Research, Wallstraße 7, 55122, Mainz, Germany
| | - Hans Georg Buchholz
- Department of Nuclear Medicine, University Medical Center of the Johannes Gutenberg University Mainz, Langenbeckstraße 1, 55131, Mainz, Germany
| | - Christoph P Kaller
- Department of Neurology and Neuroscience, University Medical Centre Freiburg, Freiburg, Germany
- Freiburg Brain Imaging Centre, University Medical Centre Freiburg, Freiburg, Germany
- Brain Links-BrainTools Cluster of Excellence, University Medical Centre Freiburg, Freiburg, Germany
| | - Gerhard Gründer
- Department of Molecular Neuroimaging, Medical Faculty Mannheim, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany
| | - Christoph Fehr
- Department for Psychiatry und Psychotherapy, Vitos Clinic for Psychiatry und Psychotherapy Hadamar/Weilmünster, Mönchberg 8, 65589, Hadamar, Germany
| | - Mathias Schreckenberger
- Department of Nuclear Medicine, University Medical Center of the Johannes Gutenberg University Mainz, Langenbeckstraße 1, 55131, Mainz, Germany
| | - Oliver Tüscher
- Department of Psychiatry and Psychotherapy, University Medical Center of the Johannes Gutenberg University Mainz, Untere Zahlbacher Straße 8, 55131, Mainz, Germany
- Leibniz Institute for Resilience Research, Wallstraße 7, 55122, Mainz, Germany
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13
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Palumbo S, Mariotti V, Vellucci S, Antonelli K, Anderson N, Harenski C, Pietrini P, Kiehl KA, Pellegrini S. ANKK1 and TH gene variants in combination with paternal maltreatment increase susceptibility to both cognitive and attentive impulsivity. Front Psychiatry 2022; 13:868804. [PMID: 35935430 PMCID: PMC9352854 DOI: 10.3389/fpsyt.2022.868804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/28/2022] [Indexed: 11/13/2022] Open
Abstract
Recent scientific findings suggest that dopamine exerts a central role on impulsivity, as well as that aversive life experiences may promote the high levels of impulsivity that often underlie violent behavior. To deepen our understanding of the complex gene by environment interplay on impulsive behavior, we genotyped six dopaminergic allelic variants (ANKK1-rs1800497, TH-rs6356, DRD4-rs1800955, DRD4-exonIII-VNTR, SLC6A3-VNTR and COMT-rs4680) in 655 US White male inmates convicted for violent crimes, whose impulsivity was assessed by BIS-11 (Barratt Impulsiveness Scale). Furthermore, in a subsample of 216 inmates from the whole group, we also explored the potential interplay between the genotyped dopaminergic variants and parental maltreatment measured by MOPS (Measure of Parental Style) in promoting impulsivity. We found a significant interaction among paternal MOPS scores, ANKK1-rs1800497-T allele and TH-rs6356-A allele, which increased the variance of BIS-11 cognitive/attentive scores explained by paternal maltreatment from 1.8 up to 20.5%. No direct association between any of the individual genetic variants and impulsivity was observed. Our data suggest that paternal maltreatment increases the risk of attentive/cognitive impulsivity and that this risk is higher in carriers of specific dopaminergic alleles that potentiate the dopaminergic neurotransmission. These findings add further evidence to the mutual role that genetics and early environmental factors exert in modulating human behavior and highlight the importance of childhood care interventions.
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Affiliation(s)
- Sara Palumbo
- Department of Surgical, Medical and Molecular Pathology and Critical Care, University of Pisa, Pisa, Italy
| | - Veronica Mariotti
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Stefano Vellucci
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Klizia Antonelli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Nathaniel Anderson
- The Mind Research Network and Lovelace Biomedical and Environmental Research Institute, Albuquerque, NM, United States
| | - Carla Harenski
- The Mind Research Network and Lovelace Biomedical and Environmental Research Institute, Albuquerque, NM, United States
| | - Pietro Pietrini
- Molecular Mind Lab, IMT School for Advanced Studies Lucca, Lucca, Italy
| | - Kent A Kiehl
- The Mind Research Network and Lovelace Biomedical and Environmental Research Institute, Albuquerque, NM, United States.,Department of Psychology, University of New Mexico, Albuquerque, NM, United States
| | - Silvia Pellegrini
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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14
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Frydecka D, Misiak B, Piotrowski P, Bielawski T, Pawlak E, Kłosińska E, Krefft M, Al Noaimy K, Rymaszewska J, Moustafa AA, Drapała J. The Role of Dopaminergic Genes in Probabilistic Reinforcement Learning in Schizophrenia Spectrum Disorders. Brain Sci 2021; 12:brainsci12010007. [PMID: 35053751 PMCID: PMC8774082 DOI: 10.3390/brainsci12010007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/30/2021] [Accepted: 12/19/2021] [Indexed: 12/27/2022] Open
Abstract
Schizophrenia spectrum disorders (SZ) are characterized by impairments in probabilistic reinforcement learning (RL), which is associated with dopaminergic circuitry encompassing the prefrontal cortex and basal ganglia. However, there are no studies examining dopaminergic genes with respect to probabilistic RL in SZ. Thus, the aim of our study was to examine the impact of dopaminergic genes on performance assessed by the Probabilistic Selection Task (PST) in patients with SZ in comparison to healthy control (HC) subjects. In our study, we included 138 SZ patients and 188 HC participants. Genetic analysis was performed with respect to the following genetic polymorphisms: rs4680 in COMT, rs907094 in DARP-32, rs2734839, rs936461, rs1800497, and rs6277 in DRD2, rs747302 and rs1800955 in DRD4 and rs28363170 and rs2975226 in DAT1 genes. The probabilistic RL task was completed by 59 SZ patients and 95 HC subjects. SZ patients performed significantly worse in acquiring reinforcement contingencies during the task in comparison to HCs. We found no significant association between genetic polymorphisms and RL among SZ patients; however, among HC participants with respect to the DAT1 rs28363170 polymorphism, individuals with 10-allele repeat genotypes performed better in comparison to 9-allele repeat carriers. The present study indicates the relevance of the DAT1 rs28363170 polymorphism in RL in HC participants.
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Affiliation(s)
- Dorota Frydecka
- Department of Psychiatry, Wroclaw Medical University, Pasteur Street 10, 50-367 Wroclaw, Poland; (T.B.); (M.K.); (K.A.N.); (J.R.)
- Correspondence:
| | - Błażej Misiak
- Department of Psychiatry, Division of Consultation Psychiatry and Neuroscience, Wroclaw Medical University, Pasteur Street 10, 50-367 Wroclaw, Poland; (B.M.); (P.P.)
| | - Patryk Piotrowski
- Department of Psychiatry, Division of Consultation Psychiatry and Neuroscience, Wroclaw Medical University, Pasteur Street 10, 50-367 Wroclaw, Poland; (B.M.); (P.P.)
| | - Tomasz Bielawski
- Department of Psychiatry, Wroclaw Medical University, Pasteur Street 10, 50-367 Wroclaw, Poland; (T.B.); (M.K.); (K.A.N.); (J.R.)
| | - Edyta Pawlak
- Department of Experimental Therapy, Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Weigel Street 12, 53-114 Wroclaw, Poland;
| | - Ewa Kłosińska
- Day-Care Psychiatric Unit, University Clinical Hospital, Pasteur Street 10, 50-367 Wroclaw, Poland;
| | - Maja Krefft
- Department of Psychiatry, Wroclaw Medical University, Pasteur Street 10, 50-367 Wroclaw, Poland; (T.B.); (M.K.); (K.A.N.); (J.R.)
| | - Kamila Al Noaimy
- Department of Psychiatry, Wroclaw Medical University, Pasteur Street 10, 50-367 Wroclaw, Poland; (T.B.); (M.K.); (K.A.N.); (J.R.)
| | - Joanna Rymaszewska
- Department of Psychiatry, Wroclaw Medical University, Pasteur Street 10, 50-367 Wroclaw, Poland; (T.B.); (M.K.); (K.A.N.); (J.R.)
| | - Ahmed A. Moustafa
- School of Psychology, Marcs Institute for Brain and Behaviour, Western Sydney University, Locked Bag 1797, Penrith, NSW 2751, Australia;
- Department of Human Anatomy and Physiology, The Faculty of Health Sciences, University of Johannesburg, Johannesburg 2006, South Africa
| | - Jarosław Drapała
- Department of Computer Science and Systems Engineering, Faculty of Information and Communication Technology, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego Street 27, 50-370 Wrocław, Poland;
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15
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Unlucky punches: the vulnerability-stress model for the development of impulse control disorders in Parkinson's disease. NPJ Parkinsons Dis 2021; 7:112. [PMID: 34880241 PMCID: PMC8654901 DOI: 10.1038/s41531-021-00253-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 11/04/2021] [Indexed: 01/09/2023] Open
Abstract
Impulse-control disorders are commonly observed during dopamine-replacement therapy in Parkinson’s disease, but the majority of patients seems “immune” to this side effect. Epidemiological evidence suggests that a major risk factor may be a specific difference in the layout of the dopaminergic-reinforcement system, of which the ventral striatum is a central player. A series of imaging studies of the dopaminergic system point toward a presynaptic reduction of dopamine-reuptake transporter density and dopamine synthesis capacity. Here, we review current evidence for a vulnerability-stress model in which a relative reduction of dopaminergic projections to the ventral striatum and concomitant sensitization of postsynaptic neurons represent a predisposing (hypodopaminergic) vulnerability. Stress (hyperdopaminergic) is delivered when dopamine replacement therapy leads to a relative overdosing of the already-sensitized ventral striatum. These alterations are consistent with consecutive changes in reinforcement mechanisms, which stimulate learning from reward and impede learning from punishment, thereby fostering the development of impulse-control disorders. This vulnerability-stress model might also provide important insights into the development of addictions in the non-Parkinsonian population.
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16
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Dobewall H, Keltikangas-Järvinen L, Saarinen A, Lyytikäinen LP, Zwir I, Cloninger R, Raitakari OT, Lehtimäki T, Hintsanen M. Genetic differential susceptibility to the parent-child relationship quality and the life span development of compassion. Dev Psychobiol 2021; 63:e22184. [PMID: 34423428 DOI: 10.1002/dev.22184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Revised: 06/26/2021] [Accepted: 07/06/2021] [Indexed: 11/11/2022]
Abstract
The development of compassion for others might be influenced by the social experiences made during childhood and has a genetic component. No research has yet investigated whether the parent-child relationship quality interacts with genetic variation in the oxytocin and dopamine systems in predicting compassion over the life span. In the prospective Young Finns Study (N = 2099, 43.9% men), we examined the interaction between mother-reported emotional warmth and intolerance toward their child assessed in 1980 (age of participants, 3-18 years) and two established genetic risk scores for oxytocin levels and dopamine signaling activity. Dispositional compassion for others was measured with the Temperament and Character Inventory 1997, 2001, and 2012 (age of participants, 20-50 years). We found a gene-environment interaction (p = .031) that remained marginally significant after adjustment for multiple testing. In line with the differential susceptibility hypothesis, only participants who carry alleles associated with low dopamine signaling activity had higher levels of compassion when growing up with emotionally warm parents, whereas they had lower levels of compassion when their parents were emotionally cold. Children's genetic variability in the dopamine system might result in plasticity to early environmental influences that have a long-lasting effect on the development of compassion. However, our findings need replication.
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Affiliation(s)
- Henrik Dobewall
- Division of Psychology, Faculty of Education, University of Oulu, Oulu, Finland.,Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Clinical Chemistry, Fimlab Laboratories, and Finnish Cardiovascular Research Center - Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | | | - Aino Saarinen
- Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Leo-Pekka Lyytikäinen
- Department of Clinical Chemistry, Fimlab Laboratories, and Finnish Cardiovascular Research Center - Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Finnish Cardiovascular Research Center, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Igor Zwir
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri, United States.,Department of Computer Science, University of Granada, Granada, Spain
| | - Robert Cloninger
- Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri, United States
| | - Olli T Raitakari
- Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland.,Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland.,Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland
| | - Terho Lehtimäki
- Department of Clinical Chemistry, Fimlab Laboratories, and Finnish Cardiovascular Research Center - Tampere, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland.,Finnish Cardiovascular Research Center, Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
| | - Mirka Hintsanen
- Division of Psychology, Faculty of Education, University of Oulu, Oulu, Finland
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17
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Park CI, Kim HW, Hwang SS, Kang JI, Kim SJ. Influence of dopamine-related genes on craving, impulsivity, and aggressiveness in Korean males with alcohol use disorder. Eur Arch Psychiatry Clin Neurosci 2021; 271:865-872. [PMID: 31559529 DOI: 10.1007/s00406-019-01072-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 09/19/2019] [Indexed: 12/22/2022]
Abstract
Dopamine is a major neuromodulator that is acutely involved in various cognitive processes, reward-motivated behaviors, and impulsivity. Abnormality in dopaminergic neurotransmission is implicated in the pathophysiology of alcohol use disorder (AUD). The present study examined the genetic influence of dopamine system on problematic drinking, impulsivity, and aggressiveness in a Korean male population with AUD. Five single nucleotide polymorphisms (SNPs) (rs4532 in DRD1, rs2283265 in DRD2, rs6280 in DRD3, rs1800497 in ANKK1, and rs4680 in COMT) and a variable number of tandem repeats (VNTRs) in DAT1 in 295 male patients with AUD were genotyped. For AUD-related clinical characteristics, the Alcohol Use Disorders Identification Test and the Obsessive-Compulsive Drinking Scale (OCDS) were used to assess the severity of hazardous drinking and craving symptoms, respectively. Participants also completed the UPPS-P Impulsive Behavior Scale (UPPS-P) and Buss-Perry Aggression Questionnaire (BPAQ). Analyses were performed using R package SNPassoc; statistical significance was set as p < 0.0083 after Bonferroni correction. A significant association was detected between DRD3 SNP rs6280 and OCDS scores. In regard to impulsivity and aggressiveness, rs4532 of DRD1 was significantly associated with UPPS-P score. Also, rs4532 demonstrated a nominally significant association with BPAQ score, although it did not reach statistical significance after correction for multiple comparisons. Results of this study support the idea that genetic variations in the dopamine system may contribute to alcohol cravings and impulsivity in patients with AUD.
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Affiliation(s)
- Chun Il Park
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
- Department of Psychiatry, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hae Won Kim
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
- Department of Medical Education, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Syung Shick Hwang
- Graduate School, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jee In Kang
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
- Department of Psychiatry, Yonsei University College of Medicine, Seoul, Republic of Korea.
| | - Se Joo Kim
- Institute of Behavioral Science in Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea.
- Department of Psychiatry, Yonsei University College of Medicine, Seoul, Republic of Korea.
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18
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Kitayama S, Yu Q, King AP, Yoon C, Liberzon I. The gray matter volume of the temporoparietal junction varies across cultures: a moderating role of the dopamine D4 receptor gene (DRD4). Soc Cogn Affect Neurosci 2021; 15:193-202. [PMID: 32300802 DOI: 10.1093/scan/nsaa032] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 02/06/2020] [Accepted: 02/28/2020] [Indexed: 01/01/2023] Open
Abstract
Prior work shows that compared to European Americans, East Asians show an enhanced propensity to take the perspective of another person. In the current work, we tested whether this cultural difference might be reflected in the gray matter (GM) volume of the temporoparietal junction (TPJ), a brain region selectively implicated in perspective taking and mentalizing. We also explored whether the cultural difference in the TPJ GM volume might be moderated by dopamine D4 receptor gene (DRD4) exon 3 variable-number tandem repeat polymorphism. Structural magnetic resonance imaging of 66 European Americans and 66 East Asian-born Asians were subjected to voxel-based morphometry. It was observed that the GM volume of the right TPJ was greater among East Asians than among European Americans. Moreover, this cultural difference was significantly more pronounced among carriers of the 7- or 2-repeat allele of DRD4 than among the non-carriers of these alleles. Our findings contribute to the growing evidence that culture can shape the brain.
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Affiliation(s)
- Shinobu Kitayama
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Qinggang Yu
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Anthony P King
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - Carolyn Yoon
- Ross School of Business, University of Michigan, Ann Arbor, MI, USA
| | - Israel Liberzon
- Department of Psychiatry, Texas A&M College of Medicine, College Station, TX, USA
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19
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Dopaminergic Genetic Variation in Young Adolescents: Associations with Sensation-Seeking. Res Child Adolesc Psychopathol 2021; 49:1259-1274. [PMID: 33963956 DOI: 10.1007/s10802-021-00823-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2021] [Indexed: 10/21/2022]
Abstract
Deficient reward functioning, including reward-related personality, is implicated in depression's etiology. A dopaminergic genetic multilocus genetic profile score (MGPS) has previously been associated with neural reward responsivity but, despite theoretical basis, has not been studied with reward-related personality. Such research is needed to elucidate associations between genetic variation and reward-related personality in a developmentally sensitive population. In the present study, we examined associations between dopaminergic MGPS's and self-report reward-related personality in two young adolescent samples aged 10-15 years old (Sample 1: N = 100 girls, 82% White, 18% Other; Sample 2: N = 141, 65 girls, 76 boys, 89.36% White, 10.64% Other) using an established MGPS and an augmented MGPS. A "mini" meta-analysis synthesized results across samples. In Sample 1, an exploratory mediation analysis intended to gauge effect size for future work tested a path between the MGPS and depression through significant reward traits. In each independent sample, both MGPS's showed significant associations with sensation-seeking but not social drive, a pattern that persisted following correction. Effect sizes of novel variants were at least as robust as established variants, suggesting their added utility. Additionally, the exploratory mediation analysis suggested no noteworthy indirect effect, but a small (R2 = 0.022), statistically non-significant direct effect of the MGPS predicting prospective depressive symptoms. Results suggest that dopaminergic genetic variation is associated with the reward-related personality trait of sensation seeking but not social drive. Additional work is needed to probe whether sensation seeking may be a path through which this genetic variation confers depression risk.
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20
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The endocannabinoid system in humans: significant associations between anandamide, brain function during reward feedback and a personality measure of reward dependence. Neuropsychopharmacology 2021; 46:1020-1027. [PMID: 33007775 PMCID: PMC8114914 DOI: 10.1038/s41386-020-00870-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 09/11/2020] [Accepted: 09/21/2020] [Indexed: 01/24/2023]
Abstract
Preclinical evidence indicates that the endocannabinoid system is involved in neural responses to reward. This study aimed to investigate associations between basal serum concentrations of the endocannabinoids anandamide (AEA) and 2-arachidonylglycerol (2-AG) with brain functional reward processing. Additionally, a personality measure of reward dependence was obtained. Brain functional data were obtained of 30 right-handed adults by conducting fMRI at 3 Tesla using a reward paradigm. Reward dependence was obtained using the subscale reward dependence of the Tridimensional Personality Questionnaire (TPQ). Basal concentrations of AEA and 2-AG were determined in serum. Analyzing the fMRI data, for AEA and 2-AG ANCOVAs were calculated using a full factorial model, with condition (reward > control, loss > control) and concentrations for AEA and 2-AG as factors. Regression analyses were conducted for AEA and 2-AG on TPQ-RD scores. A whole-brain analysis showed a significant interaction effect of AEA concentration by condition (positive vs. negative) within the putamen (x = 26, y = 16, z = -8, F13.51, TFCE(1, 54) = 771.68, k = 70, PFWE = 0.044) resulting from a positive association of basal AEA concentrations and putamen activity to rewarding stimuli, while this association was absent in the loss condition. AEA concentrations were significantly negatively correlated with TPQ reward dependence scores (rspearman = -0.56, P = 0.001). These results show that circulating AEA may modulate brain activation during reward feedback and that the personality measure reward dependence is correlated with AEA concentrations in healthy human volunteers. Future research is needed to further characterize the nature of the lipids' influence on reward processing, the impact on reward anticipation and outcome, and on vulnerability for psychiatric disorders.
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21
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DNA Methylation and Allelic Polymorphism at the Dopamine Transporter Promoter Affect Internalizing and Externalizing Symptoms in Preschoolers. Child Psychiatry Hum Dev 2021; 52:281-290. [PMID: 32462358 DOI: 10.1007/s10578-020-01009-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The role of the dopamine transporter (DAT) in the onset and maintenance of emotional-behavioral difficulties is recognized in adults, adolescents and school-age children, whereas few studies in this field have focused on preschoolers. The study recruited 2-year old children (N = 152) in the general population assessing the possible effect of DAT methylation and allelic polymorphism on internalizing and externalizing symptoms, also exploring whether epigenetic and genetic variability interact. Our results showed that DAT methylation is significantly associated with all the dimensions of children's emotional/behavioral functioning in children carrying 10/10-3/3-8/10 polymorphisms but not in children carrying 9/10-9/9 allele repeats. Understanding the influence of genetic/epigenetic factors on maladaptive emotional/behavioral outcomes in young children, can be of great help in programming effective prevention and intervention plans and can be a valid aid to alleviate psychopathological symptoms before they crystalize into more severe clinical conditions in later life.
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22
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The neurobiology of human aggressive behavior: Neuroimaging, genetic, and neurochemical aspects. Prog Neuropsychopharmacol Biol Psychiatry 2021; 106:110059. [PMID: 32822763 DOI: 10.1016/j.pnpbp.2020.110059] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Revised: 06/12/2020] [Accepted: 08/03/2020] [Indexed: 12/18/2022]
Abstract
In modern societies, there is a strive to improve the quality of life related to risk of crimes which inevitably requires a better understanding of brain determinants and mediators of aggression. Neurobiology provides powerful tools to achieve this end. Pre-clinical and clinical studies show that changes in regional volumes, metabolism-function and connectivity within specific neural networks are related to aggression. Subregions of prefrontal cortex, insula, amygdala, basal ganglia and hippocampus play a major role within these circuits and have been consistently implicated in biology of aggression. Genetic variations in proteins regulating the synthesis, degradation, and transport of serotonin and dopamine as well as their signal transduction have been found to mediate behavioral variability observed in aggression. Gene-gene and gene-environment interactions represent additional important risk factors for aggressiveness. Considering the social burden of pathological forms of aggression, more basic and translational studies should be conducted to accelerate applications to clinical practice, justice courts, and policy making.
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23
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Klaus K, Vaht M, Pennington K, Harro J. Interactive effects of DRD2 rs6277 polymorphism, environment and sex on impulsivity in a population-representative study. Behav Brain Res 2021; 403:113131. [PMID: 33444693 DOI: 10.1016/j.bbr.2021.113131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 12/31/2020] [Accepted: 01/07/2021] [Indexed: 11/17/2022]
Abstract
Previous research has shown that dopaminergic dysregulation and early life stress interact to impact on aspects of impulse control. This study aimed to explore the potentially interactive effects of the rs6277 polymorphism of the dopamine D2 receptor gene (DRD2), stressful or supportive environment and sex on behavioural and self-reported measures of impulsivity, as well as alcohol use - a condition characterised by a deficit in impulse control. The sample consisted of the younger cohort (n = 583) of the longitudinal Estonian Children Personality, Behaviour and Health Study. The results showed that the CC homozygotes (suggested to have decreased striatal D2 receptor availability) who had experienced stressful life events (SLE) or maltreatment in the family prior to age 15 showed higher self-reported maladaptive impulsivity at age 15. The genotype-SLE interaction and further association with sex was also evident in the frequency of alcohol use at age 15. Lack of warmth in the family contributed to significantly higher levels of thoughtlessness and more frequent alcohol use in CC carriers at age 25, whereas family support was associated with lower thoughtlessness scores in CC males, which may suggest a protective effect of supportive family environment in this group. Together the findings suggest that DRD2 rs6277 polymorphism, in interaction with environmental factors experienced in childhood and youth may affect facets of impulsivity. Future work should aim to further clarify the sex and age-specific effects of stressful and supportive environment on the development of neuronal systems that are compromised in disorders characterised by deficits in impulse control.
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Affiliation(s)
- K Klaus
- School of Psychology, University of Lincoln, Brayford Wharf, Lincoln, LN5 7AT, England, UK; MRC Cognition and Brain Sciences Unit, University of Cambridge, 15 Chaucer Road, Cambridge, CB3 0HH, England, UK.
| | - M Vaht
- Estonian Genome Centre, Institute of Genomics, University of Tartu, Riia 23b, 51010, Tartu, Estonia
| | - K Pennington
- School of Psychology, University of Lincoln, Brayford Wharf, Lincoln, LN5 7AT, England, UK
| | - J Harro
- Faculty of Science and Technology, Institute of Chemistry, University of Tartu, Ravila 14A, 50411, Tartu, Estonia
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24
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Padula CB, Hansen A, Hughes RL, McNerney MW. Dimensions of Craving Interact with COMT Genotype to Predict Relapse in Individuals with Alcohol Use Disorder Six Months after Treatment. Brain Sci 2021; 11:62. [PMID: 33419001 PMCID: PMC7825287 DOI: 10.3390/brainsci11010062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 12/28/2020] [Accepted: 01/01/2021] [Indexed: 11/22/2022] Open
Abstract
(1) Background: Alcohol use disorder (AUD) is associated with poor medical, psychological, and psychosocial outcomes and approximately 60% of individuals with AUD relapse six months after treatment. Craving is a core aspect of AUD and associated with high risk of relapse. One promising avenue to improve outcomes may be in understanding the relationship between COMT genotype, craving, and treatment outcomes. (2) Methods: To this end, we assessed craving, recent drinking history, and impulsivity in 70 individuals with AUD undergoing a standard course of treatment at a regional Veteran Affairs (VA) medical center. Saliva samples were collected to determine COMT genotype. In this prospective observational study, participants were followed for six months to determine who went on to relapse after treatment. (3) Results: Results revealed a significant interaction between craving and catechol-O-methyltransferse (COMT) genotype in predicting relapse. Post hoc exploratory analyses indicated that Met/Met homozygotes reported the highest levels of craving, and craving was associated with recent drinking history. Among Val/Val homozygotes, who had higher rates of relapse, craving was associated with impulsivity. (4) Conclusions: These associations highlight that specific profiles of psychological and biological factors may be important in understanding which individuals are at highest risk of relapse following treatment. Future studies that build on these findings are warranted.
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Affiliation(s)
- Claudia B. Padula
- VA Palo Alto Health Care System, Mental Illness Research, Education, and Clinical Center (MIRECC), Palo Alto, CA 94304, USA; (R.L.H.); (M.W.M.)
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA;
| | - Annika Hansen
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA;
| | - Rachel L. Hughes
- VA Palo Alto Health Care System, Mental Illness Research, Education, and Clinical Center (MIRECC), Palo Alto, CA 94304, USA; (R.L.H.); (M.W.M.)
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA;
| | - M. Windy McNerney
- VA Palo Alto Health Care System, Mental Illness Research, Education, and Clinical Center (MIRECC), Palo Alto, CA 94304, USA; (R.L.H.); (M.W.M.)
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA 94305, USA;
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25
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Zhang JF, Wang XX, Feng Y, Fekete R, Jankovic J, Wu YC. Impulse Control Disorders in Parkinson's Disease: Epidemiology, Pathogenesis and Therapeutic Strategies. Front Psychiatry 2021; 12:635494. [PMID: 33633615 PMCID: PMC7900512 DOI: 10.3389/fpsyt.2021.635494] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 01/19/2021] [Indexed: 12/11/2022] Open
Abstract
Impulse control disorders (ICDs) in Parkinson's disease (PD) are aberrant behavior such as pathological gambling, hypersexuality, binge eating, and compulsive buying, which typically occur as a result of dopaminergic therapy. Numerous studies have focused on the broad spectrum of ICDs-related behaviors and their tremendous impact on patients and their family members. Recent advances have improved our understanding of ICDs. In this review, we discuss the epidemiology, pathogenesis and treatment of ICDs in the setting of PD.
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Affiliation(s)
- Jun-Fang Zhang
- Department of Neurology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xi-Xi Wang
- Department of Neurology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.,Shanghai General Hospital of Nanjing Medical University, Nanjing, China
| | - Ya Feng
- Department of Neurology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Robert Fekete
- Department of Neurology, New York Medical College, New York, NY, United States
| | - Joseph Jankovic
- Department of Neurology, Baylor College of Medicine, Houston, TX, United States
| | - Yun-Cheng Wu
- Department of Neurology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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26
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Camperio Ciani AS, Edelman S, Ebstein RP. The Dopamine D4 Receptor (DRD4) Exon 3 VNTR Contributes to Adaptive Personality Differences in an Italian Small Island Population. EUROPEAN JOURNAL OF PERSONALITY 2020. [DOI: 10.1002/per.1917] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The search for evolutionary forces shaping the diversity of human personality traits encouraged studies that have found that islanders are relatively closed and introverted, with little interest in the external world. The ‘personality gene flow’ hypothesis was proposed to explain the mechanism underlying this difference, suggesting that the frequency of alleles that influence islander personality traits might progressively increase in the gene pools on islands because of selective emigration of individuals not displaying these alleles. We genotyped 96 individuals from the Italian mainland and 117 from Giglio Island, whose residents were previously assessed regarding their personality traits. We genotyped three polymorphisms: the dopamine D4 receptor (DRD4) exon 3 repeat region, the serotonin–transporter SLC6A4 5–HTTLPR indel and the dopamine transporter SLC6A3 DAT1 3′UTR repeat region. Only the DRD4 exon 3 repeat was hypothesised to show varying allele frequencies because this polymorphism could be associated with human migration and personality traits such as extraversion, openness and novelty seeking. As predicted, no differences in allele frequencies were found for the SLC6A4 and SLC6A3 polymorphisms, whereas significant differences were observed in the frequency of the DRD4 exon 3 alleles. The DRD4.2 repeat was more common in mainlanders, as expected, whereas the DRD4.7 allele was over–represented among islanders who never emigrated. This last result contradicts the suggested association of this allele with long–distance migrations. We suggest that emigration might have caused gene flow out the island that resulted in somewhat unpredictable changes in the frequencies of specific alleles, thus influencing islander personality traits. Copyright © 2013 European Association of Personality Psychology
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Affiliation(s)
| | - Shany Edelman
- Department of Neurobiology, Hebrew University, Jerusalem, Israel
| | - Richard P. Ebstein
- Psychology Department, Mt Scopus Campus, Hebrew University, Jerusalem, Israel
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27
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Anton RF, Voronin KE, Book SW, Latham PK, Randall PK, Glen WB, Hoffman M, Schacht JP. Opioid and Dopamine Genes Interact to Predict Naltrexone Response in a Randomized Alcohol Use Disorder Clinical Trial. Alcohol Clin Exp Res 2020; 44:2084-2096. [PMID: 32772383 DOI: 10.1111/acer.14431] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 07/27/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND While the opiate antagonist, naltrexone, is approved for treating alcohol use disorder (AUD), not everyone who receives the medication benefits from it. This study evaluated whether the OPRM1 SNP rs1799971 interacts with the dopamine transporter gene DAT1/SLC6A3 VNTR rs28363170 or the catechol-O-methyltransferase (COMT) gene SNP rs4680 in predicting naltrexone response. METHODS Individuals who met DSM-IV alcohol dependence were randomly assigned to naltrexone (50 mg/d) or placebo based on their OPRM1 genotype (75 G-allele carriers and 77 A-allele homozygotes) and also genotyped for DAT1 VNTR (9 vs. 10 repeats) or COMT SNP (val/val vs. met carriers). Heavy drinking days (%HDD) were evaluated over 16 weeks and at the end of treatment. Effect sizes (d) for naltrexone response were calculated based on genotypes. RESULTS Naltrexone, relative to placebo, significantly reduced %HDD among OPRM1 G carriers who also had DAT1 10/10 (p = 0.021, d = 0.72) or COMT val/val genotypes (p = 0.05, d = 0.80), and to a lesser degree in those OPRM1 A homozygotes who were also DAT1 9-repeat carriers (p = 0.09, d = 0.70) or COMT met carriers (p = 0.03, d = 0.63). All other genotype combinations showed no differential response to naltrexone. Diarrhea/abdominal pain was more prominent in OPRM1 A homozygotes who were also DAT 9 or COMT met carriers. CONCLUSIONS These results suggest that individuals with AUD with a more opioid-responsive genotype (OPRM1 G carriers) respond better to naltrexone if they have genotypes indicating normal/less dopamine tone (DAT1 10,10 or COMT val,val), while those with a less responsive opioid-responsive genotype (OPRM1 A homozygotes) respond better to naltrexone if they have genotypes indicating greater dopamine tone (DAT1 9-repeat or COMT met carriers). These results could lead to more personalized AUD treatments.
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Affiliation(s)
- Raymond F Anton
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Konstantin E Voronin
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Sarah W Book
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Patricia K Latham
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Patrick K Randall
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Willam Bailey Glen
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Michaela Hoffman
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
| | - Joseph P Schacht
- From the, Department of Psychiatry and Behavioral Sciences, Addiction Sciences Division, Medical University of South Carolina, Charleston, South Carolina, USA
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28
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Cerniglia L, Cimino S, Bevilacqua A, Ballarotto G, Marzilli E, Adriani W, Tambelli R. Patterns of DNA methylation at specific loci of the dopamine transporter 1 gene and psychopathological risk in trios of mothers, fathers and children. EUROPEAN JOURNAL OF DEVELOPMENTAL PSYCHOLOGY 2020. [DOI: 10.1080/17405629.2020.1816166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Luca Cerniglia
- Faculty of Psychology, International Telematic University Uninettuno, Rome, Italy
| | - Silvia Cimino
- Department of Dynamic and Clinical Psychology, Sapienza University of Rome, Rome, Italy
| | - Arturo Bevilacqua
- Department of Dynamic and Clinical Psychology, Sapienza University of Rome, Rome, Italy
- Research Center in Neurobiology Daniel Bovet” (Crin), Rome, Italy
- Systems Biology Group Lab, Rome, Italy
| | - Giulia Ballarotto
- Department of Dynamic and Clinical Psychology, Sapienza University of Rome, Rome, Italy
| | - Eleonora Marzilli
- Department of Dynamic and Clinical Psychology, Sapienza University of Rome, Rome, Italy
| | - Walter Adriani
- Center for Behavioral Sciences and Mental Health, Istituto Superiore Di Sanità, Rome, Italy
| | - Renata Tambelli
- Department of Dynamic and Clinical Psychology, Sapienza University of Rome, Rome, Italy
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29
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Hubbard NA, Romeo RR, Grotzinger H, Giebler M, Imhof A, Bauer CCC, Gabrieli JDE. Reward-Sensitive Basal Ganglia Stabilize the Maintenance of Goal-Relevant Neural Patterns in Adolescents. J Cogn Neurosci 2020; 32:1508-1524. [PMID: 32379000 PMCID: PMC8500599 DOI: 10.1162/jocn_a_01572] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Maturation of basal ganglia (BG) and frontoparietal circuitry parallels developmental gains in working memory (WM). Neurobiological models posit that adult WM performance is enhanced by communication between reward-sensitive BG and frontoparietal regions, via increased stability in the maintenance of goal-relevant neural patterns. It is not known whether this reward-driven pattern stability mechanism may have a role in WM development. In 34 young adolescents (12.16-14.72 years old) undergoing fMRI, reward-sensitive BG regions were localized using an incentive processing task. WM-sensitive regions were localized using a delayed-response WM task. Functional connectivity analyses were used to examine the stability of goal-relevant functional connectivity patterns during WM delay periods between and within reward-sensitive BG and WM-sensitive frontoparietal regions. Analyses revealed that more stable goal-relevant connectivity patterns between reward-sensitive BG and WM-sensitive frontoparietal regions were associated with both greater adolescent age and WM ability. Computational lesion models also revealed that functional connections to WM-sensitive frontoparietal regions from reward-sensitive BG uniquely increased the stability of goal-relevant functional connectivity patterns within frontoparietal regions. Findings suggested (1) the extent to which goal-relevant communication patterns within reward-frontoparietal circuitry are maintained increases with adolescent development and WM ability and (2) communication from reward-sensitive BG to frontoparietal regions enhances the maintenance of goal-relevant neural patterns in adolescents' WM. The maturation of reward-driven stability of goal-relevant neural patterns may provide a putative mechanism for understanding the developmental enhancement of WM.
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Affiliation(s)
| | | | | | | | - Andrea Imhof
- Massachusetts Institute of Technology
- University of Oregon
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30
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Patte KA, Davis CA, Levitan RD, Kaplan AS, Carter-Major J, Kennedy JL. A Behavioral Genetic Model of the Mechanisms Underlying the Link Between Obesity and Symptoms of ADHD. J Atten Disord 2020; 24:1425-1436. [PMID: 26794671 DOI: 10.1177/1087054715618793] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Objective: The ADHD-obesity link has been suggested to result from a shared underlying basis of suboptimal dopamine (DA); however, this theory conflicts evidence that an amplified DA signal increases the risk for overeating and weight gain. A model was tested in which ADHD symptoms, predicted by hypodopaminergic functioning in the prefrontal cortex, in combination with an enhanced appetitive drive, predict hedonic eating and, in turn, higher body mass index (BMI). Method: DRD2 and DRD4 markers were genotyped. The model was tested using structural equation modeling in a nonclinical sample (N = 421 adults). Results: The model was a good fit to the data. Controlling for education, all parameter estimates were significant, except for the DRD4-ADHD symptom pathway. The significant indirect effect indicates that overeating mediated the ADHD symptoms-BMI association. Conclusion: Results support the hypothesis that overeating and elevated DA in the ventral striatum-representative of a greater reward response-contribute to the ADHD symptom-obesity relationship.
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Affiliation(s)
| | - Caroline A Davis
- York University, Toronto, Ontario, Canada.,Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,University of Toronto, Ontario, Canada
| | - Robert D Levitan
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,University of Toronto, Ontario, Canada
| | - Allan S Kaplan
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,University of Toronto, Ontario, Canada
| | | | - James L Kennedy
- Centre for Addiction and Mental Health, Toronto, Ontario, Canada.,University of Toronto, Ontario, Canada
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31
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Glazer J, King A, Yoon C, Liberzon I, Kitayama S. DRD4 polymorphisms modulate reward positivity and P3a in a gambling task: Exploring a genetic basis for cultural learning. Psychophysiology 2020; 57:e13623. [PMID: 32583892 DOI: 10.1111/psyp.13623] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 05/04/2020] [Accepted: 05/11/2020] [Indexed: 01/14/2023]
Abstract
Prior work shows that people respond more plastically to environmental influences, including cultural influences, if they carry the 7 or 2-repeat (7/2R) allelic variant of the dopamine D4 receptor gene (DRD4). The 7/2R carriers are thus more likely to endorse the norms and values of their culture. So far, however, mechanisms underlying this moderation of cultural acquisition by DRD4 are unclear. To address this gap in knowledge, we tested the hypothesis that DRD4 modulates the processing of reward cues existing in the environment. About 72 young adults, preselected for their DRD4 status, performed a gambling task, while the electroencephalogram was recorded. Principal components of event-related potentials aligned to the Reward-Positivity (associated with bottom-up processing of reward prediction errors) and frontal-P3 (associated with top-down attention) were both significantly more positive following gains than following losses. As predicted, the gain-loss differences were significantly larger for 7/2R carriers than for noncarriers. Also, as predicted, the cultural backgrounds of the participants (East Asian vs. European American) did not moderate the effects of DRD4. Our findings suggest that the 7/2R variant of DRD4 enhances (a) the detection of reward prediction errors and (b) controlled attention that updates the context for the reward, thereby suggesting one possible mechanism underlying the DRD4 × Culture interactions.
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Affiliation(s)
- James Glazer
- Department of Psychology, Northwestern University, Evanston, IL, USA
| | - Anthony King
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Carolyn Yoon
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Israel Liberzon
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
| | - Shinobu Kitayama
- Department of Psychology, University of Michigan, Ann Arbor, MI, USA
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32
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Kujawa A, Klein DN, Pegg S, Weinberg A. Developmental trajectories to reduced activation of positive valence systems: A review of biological and environmental contributions. Dev Cogn Neurosci 2020; 43:100791. [PMID: 32510349 PMCID: PMC7225621 DOI: 10.1016/j.dcn.2020.100791] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 03/29/2020] [Accepted: 04/18/2020] [Indexed: 12/11/2022] Open
Abstract
Reduced activation of positive valence systems (PVS), including blunted neural and physiological responses to pleasant stimuli and rewards, has been shown to prospectively predict the development of psychopathology. Yet, little is known about how reduced PVS activation emerges across development or what implications it has for prevention. We review genetic, temperament, parenting, and naturalistic and laboratory stress research on neural measures of PVS and outline developmentally-informed models of trajectories of PVS activation. PVS function is partly heritable and appears to reflect individual differences in early-emerging temperament traits. Although lab-induced stressors blunt PVS activation, effects of parenting and naturalistic stress on PVS are mixed and depend on the type of stressor, developmental timing, and interactions amongst risk factors. We propose that there may be multiple, dynamic developmental trajectories to reduced PVS activation in which combinations of genes, temperament, and exposure to severe, prolonged, or uncontrollable stress may exert direct and interactive effects on PVS function. Critically, these risk factors may alter PVS developmental trajectories and/or PVS sensitivity to proximal stressors. Distinct factors may converge such that PVS activation proceeds along a typical, accelerated, chronically low, or stress-reactive trajectory. Finally, we present directions for future research with translational implications.
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Affiliation(s)
- Autumn Kujawa
- Department of Psychology and Human Development, Vanderbilt University, 230 Appleton Place, Nashville, TN 37203-5721, United States.
| | - Daniel N Klein
- Department of Psychology, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11794-2500, United States.
| | - Samantha Pegg
- Department of Psychology and Human Development, Vanderbilt University, 230 Appleton Place, Nashville, TN 37203-5721, United States.
| | - Anna Weinberg
- Department of Psychology, McGill University, 2001 McGill College Avenue, Montreal, Quebec, H3A 1G1, Canada.
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33
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Trajectories and Predictors of Children's Early-Starting Conduct Problems: Child, Family, Genetic, and Intervention Effects. Dev Psychopathol 2020; 31:1911-1921. [PMID: 31370912 DOI: 10.1017/s0954579419000828] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Several research teams have previously traced patterns of emerging conduct problems (CP) from early or middle childhood. The current study expands on this previous literature by using a genetically-informed, experimental, and long-term longitudinal design to examine trajectories of early-emerging conduct problems and early childhood discriminators of such patterns from the toddler period to adolescence. The sample represents a cohort of 731 toddlers and diverse families recruited based on socioeconomic, child, and family risk, varying in urbanicity and assessed on nine occasions between ages 2 and 14. In addition to examining child, family, and community level discriminators of patterns of emerging conduct problems, we were able to account for genetic susceptibility using polygenic scores and the study's experimental design to determine whether random assignment to the Family Check-Up (FCU) discriminated trajectory groups. In addition, in accord with differential susceptibility theory, we tested whether the effects of the FCU were stronger for those children with higher genetic susceptibility. Results augmented previous findings documenting the influence of child (inhibitory control [IC], gender) and family (harsh parenting, parental depression, and educational attainment) risk. In addition, children in the FCU were overrepresented in the persistent low versus persistent high CP group, but such direct effects were qualified by an interaction between the intervention and genetic susceptibility that was consistent with differential susceptibility. Implications are discussed for early identification and specifically, prevention efforts addressing early child and family risk.
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Hubbard NA, Siless V, Frosch IR, Goncalves M, Lo N, Wang J, Bauer CCC, Conroy K, Cosby E, Hay A, Jones R, Pinaire M, Vaz De Souza F, Vergara G, Ghosh S, Henin A, Hirshfeld-Becker DR, Hofmann SG, Rosso IM, Auerbach RP, Pizzagalli DA, Yendiki A, Gabrieli JDE, Whitfield-Gabrieli S. Brain function and clinical characterization in the Boston adolescent neuroimaging of depression and anxiety study. Neuroimage Clin 2020; 27:102240. [PMID: 32361633 PMCID: PMC7199015 DOI: 10.1016/j.nicl.2020.102240] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 03/09/2020] [Accepted: 03/10/2020] [Indexed: 12/28/2022]
Abstract
We present a Human Connectome Project study tailored toward adolescent anxiety and depression. This study is one of the first studies of the Connectomes Related to Human Diseases initiative and is collecting structural, functional, and diffusion-weighted brain imaging data from up to 225 adolescents (ages 14-17 years), 150 of whom are expected to have a current diagnosis of an anxiety and/or depressive disorder. Comprehensive clinical and neuropsychological evaluations and longitudinal clinical data are also being collected. This article provides an overview of task functional magnetic resonance imaging (fMRI) protocols and preliminary findings (N = 140), as well as clinical and neuropsychological characterization of adolescents. Data collection is ongoing for an additional 85 adolescents, most of whom are expected to have a diagnosis of an anxiety and/or depressive disorder. Data from the first 140 adolescents are projected for public release through the National Institutes of Health Data Archive (NDA) with the timing of this manuscript. All other data will be made publicly-available through the NDA at regularly scheduled intervals. This article is intended to serve as an introduction to this project as well as a reference for those seeking to clinical, neurocognitive, and task fMRI data from this public resource.
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Affiliation(s)
- N A Hubbard
- Massachusetts Institute of Technology, Cambridge, MA, United States; University of Nebraska-Lincoln, Lincoln, NE, United States
| | - V Siless
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, United States; Harvard Medical School, Boston, MA, United States
| | - I R Frosch
- Massachusetts Institute of Technology, Cambridge, MA, United States
| | - M Goncalves
- Massachusetts Institute of Technology, Cambridge, MA, United States
| | - N Lo
- Massachusetts Institute of Technology, Cambridge, MA, United States
| | - J Wang
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, United States; Harvard Medical School, Boston, MA, United States
| | - C C C Bauer
- Massachusetts Institute of Technology, Cambridge, MA, United States
| | - K Conroy
- Boston University, Boston, MA, United States
| | - E Cosby
- Harvard Medical School, Boston, MA, United States; McLean Hospital, Belmont, MA, United States
| | - A Hay
- Boston University, Boston, MA, United States
| | - R Jones
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, United States; Harvard Medical School, Boston, MA, United States
| | - M Pinaire
- Boston University, Boston, MA, United States
| | - F Vaz De Souza
- Harvard Medical School, Boston, MA, United States; Massachusetts General Hospital, Boston, MA, United States
| | - G Vergara
- Harvard Medical School, Boston, MA, United States; McLean Hospital, Belmont, MA, United States
| | - S Ghosh
- Massachusetts Institute of Technology, Cambridge, MA, United States; Harvard Medical School, Boston, MA, United States
| | - A Henin
- Harvard Medical School, Boston, MA, United States; Massachusetts General Hospital, Boston, MA, United States
| | - D R Hirshfeld-Becker
- Harvard Medical School, Boston, MA, United States; Massachusetts General Hospital, Boston, MA, United States
| | - S G Hofmann
- Boston University, Boston, MA, United States
| | - I M Rosso
- Harvard Medical School, Boston, MA, United States; McLean Hospital, Belmont, MA, United States
| | - R P Auerbach
- Columbia University, New York, NY, United States
| | - D A Pizzagalli
- Harvard Medical School, Boston, MA, United States; McLean Hospital, Belmont, MA, United States
| | - A Yendiki
- Athinoula A. Martinos Center for Biomedical Imaging, Massachusetts General Hospital, Boston, MA, United States; Harvard Medical School, Boston, MA, United States
| | - J D E Gabrieli
- Massachusetts Institute of Technology, Cambridge, MA, United States
| | - S Whitfield-Gabrieli
- Massachusetts Institute of Technology, Cambridge, MA, United States; Northeastern University, Boston, MA, United States.
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Scult MA, Knodt AR, Radtke SR, Brigidi BD, Hariri AR. Prefrontal Executive Control Rescues Risk for Anxiety Associated with High Threat and Low Reward Brain Function. Cereb Cortex 2020; 29:70-76. [PMID: 29161340 DOI: 10.1093/cercor/bhx304] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Accepted: 10/19/2017] [Indexed: 01/06/2023] Open
Abstract
Compared with neural biomarkers of risk for mental illness, little is known about biomarkers of resilience. We explore if greater executive control-related prefrontal activity may function as a resilience biomarker by "rescuing" risk associated with higher threat-related amygdala and lower reward-related ventral striatum activity. Functional MRI was used to assay baseline threat-related amygdala, reward-related ventral striatum, and executive control-related prefrontal activity in 120 young adult volunteers. Participants provided self-reported mood and anxiety ratings at baseline and follow-up. A moderation model revealed a significant three-way interaction wherein higher amygdala and lower ventral striatum activity predicted increases in anxiety in those with average or low but not high prefrontal activity. This effect was specific to anxiety, with the neural biomarkers explaining ~10% of the variance in change over time, above and beyond baseline symptoms, sex, age, IQ, presence or absence of DMS-IV diagnosis, and both early and recent stress. Our findings are consistent with the importance of top-down executive control in adaptive regulation of negative emotions, and highlight a unique combination of neural biomarkers that may identify at-risk individuals for whom the adoption of strategies to improve executive control of negative emotions may prove particularly beneficial.
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Affiliation(s)
- Matthew A Scult
- Laboratory of NeuroGenetics, Department of Psychology & Neuroscience, Duke University, Durham, NC, USA
| | - Annchen R Knodt
- Laboratory of NeuroGenetics, Department of Psychology & Neuroscience, Duke University, Durham, NC, USA
| | - Spenser R Radtke
- Laboratory of NeuroGenetics, Department of Psychology & Neuroscience, Duke University, Durham, NC, USA
| | - Bartholomew D Brigidi
- Laboratory of NeuroGenetics, Department of Psychology & Neuroscience, Duke University, Durham, NC, USA
| | - Ahmad R Hariri
- Laboratory of NeuroGenetics, Department of Psychology & Neuroscience, Duke University, Durham, NC, USA
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Swartz JR, Weissman DG, Ferrer E, Beard SJ, Fassbender C, Robins RW, Hastings PD, Guyer AE. Reward-Related Brain Activity Prospectively Predicts Increases in Alcohol Use in Adolescents. J Am Acad Child Adolesc Psychiatry 2020; 59:391-400. [PMID: 31173884 PMCID: PMC6891148 DOI: 10.1016/j.jaac.2019.05.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 04/18/2019] [Accepted: 05/17/2019] [Indexed: 12/23/2022]
Abstract
OBJECTIVE Altered activity within reward-related neural regions, including the ventral striatum (VS) and medial prefrontal cortex (mPFC), is associated with concurrent problematic substance use. The aims of the present study were (a) to identify patterns of reward-related neural activity that prospectively predicted changes in alcohol use 2 years after magnetic resonance imaging in a sample of adolescents, and (b) to examine whether these patterns differed by sex. We also tested whether depression symptoms or impulsivity mediated associations between neural activity and future alcohol use. METHOD Participants were 262 adolescents (129 male and 133 female) of Mexican origin who completed the Monetary Incentive Delay task during a functional magnetic resonance imaging scan at age 16. Participants reported on their alcohol use at ages 16 and 18. RESULTS Results indicated that different patterns of reward-related neural activity predicted future increases in alcohol use for male and female adolescents. In boys, higher VS activity during reward anticipation and average ventral mPFC activity during reward feedback predicted increases in alcohol use from age 16 to 18 years; in girls, higher dorsal mPFC activity and blunted VS activity during reward anticipation predicted increases in alcohol use from age 16 to 18 years. Depression symptoms or impulsivity did not mediate these associations. CONCLUSION The results suggest that different pathways of risk may lead to problematic alcohol use for adolescent boys and girls. These sex differences in neural risk pathways have important implications for prevention and intervention approaches targeting Mexican-origin youth.
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Affiliation(s)
| | - David G Weissman
- University of California, Davis; Center for Mind and Brain, University of California, Davis
| | | | - Sarah J Beard
- University of California, Davis; Center for Mind and Brain, University of California, Davis
| | | | | | - Paul D Hastings
- University of California, Davis; Center for Mind and Brain, University of California, Davis
| | - Amanda E Guyer
- University of California, Davis; Center for Mind and Brain, University of California, Davis
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Holz NE, Tost H, Meyer-Lindenberg A. Resilience and the brain: a key role for regulatory circuits linked to social stress and support. Mol Psychiatry 2020; 25:379-396. [PMID: 31628419 DOI: 10.1038/s41380-019-0551-9] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 09/17/2019] [Accepted: 10/01/2019] [Indexed: 02/07/2023]
Abstract
Given the high prevalence and burden of mental disorders, fostering the understanding of protective factors is an urgent issue for translational medicine in psychiatry. The concept of resilience describes individual and environmental protective factors against the backdrop of established adversities linked to mental illness. There is convergent evidence for a crucial role of direct as well as indirect adversity impacting the developing brain, with persisting effects until adulthood. Direct adversity may include childhood maltreatment and family adversity, while indirect social adversity can include factors such as urban living or ethnic minority status. Recently, research has begun to examine protective factors which may be able to buffer against or even reverse these influences. First evidence indicates that supportive social environments as well as trait-like individual protective characteristics might impact on similar neural substrates, thus strengthening the capacity to actively cope with stress exposure in order to counteract the detrimental effects evoked by social adversity. Here, we provide an overview of the current literature investigating the neural mechanisms of resilience with a putative social background, including studies on individual traits and genetic variation linked to resilience. We argue that the regulatory perigenual anterior cingulate cortex and limbic regions, including the amygdala and the ventral striatum, play a key role as crucial convergence sites of protective factors. Further, we discuss possible prevention and early intervention approaches targeting both the individual and the social environment to reduce the risk of psychiatric disorders and foster resilience.
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Affiliation(s)
- Nathalie E Holz
- Department of Child and Adolescent Psychiatry and Psychotherapy, Medical Faculty Mannheim/Heidelberg University, J5, 68159, Mannheim, Germany
| | - Heike Tost
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, J5, 68159, Mannheim, Germany
| | - Andreas Meyer-Lindenberg
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, J5, 68159, Mannheim, Germany.
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María-Ríos CE, Morrow JD. Mechanisms of Shared Vulnerability to Post-traumatic Stress Disorder and Substance Use Disorders. Front Behav Neurosci 2020; 14:6. [PMID: 32082127 PMCID: PMC7006033 DOI: 10.3389/fnbeh.2020.00006] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 01/13/2020] [Indexed: 12/11/2022] Open
Abstract
Psychoactive substance use is a nearly universal human behavior, but a significant minority of people who use addictive substances will go on to develop an addictive disorder. Similarly, though ~90% of people experience traumatic events in their lifetime, only ~10% ever develop post-traumatic stress disorder (PTSD). Substance use disorders (SUD) and PTSD are highly comorbid, occurring in the same individual far more often than would be predicted by chance given the respective prevalence of each disorder. Some possible reasons that have been proposed for the relationship between PTSD and SUD are self-medication of anxiety with drugs or alcohol, increased exposure to traumatic events due to activities involved in acquiring illegal substances, or addictive substances altering the brain's stress response systems to make users more vulnerable to PTSD. Yet another possibility is that some people have an intrinsic vulnerability that predisposes them to both PTSD and SUD. In this review, we integrate clinical and animal data to explore these possible etiological links between SUD and PTSD, with an emphasis on interactions between dopaminergic, adrenocorticotropic, GABAergic, and glutamatergic neurobehavioral mechanisms that underlie different emotional learning styles.
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Affiliation(s)
| | - Jonathan D. Morrow
- Neuroscience Graduate Program, University of Michigan, Ann Arbor, MI, United States
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, United States
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Abstract
Over the past several decades, Gottfredson & Hirschi's (1990) SCT has dominated research on self-control and crime. In this review, I assess the current state of self-control knowledge and encourage the field to move beyond SCT, as its peculiar conceptualization of self-control and causal model presents challenges for integrative scholarship. Drawing heavily on scholarship outside criminology, I clarify the definition of self-control; describe the malleable nature of trait self-control; highlight its situational variability as state self-control; and consider the multiplicity of contextual, situational, and individual factors that affect its operation in relation to crime. This specification of contingencies and the interplay between impulse strength and control efforts in the process of self-control is intended as a springboard for research moving beyond SCT and its key premise that self-control ability is sufficient for explanation. Finally, I address what I see as important areas for further study in light of current knowledge.
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Affiliation(s)
- Callie H Burt
- Department of Criminal Justice & Criminology and Center for Research on Interpersonal Violence, Georgia State University
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40
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Interaction between behavioral inhibition and neural alcohol cue-reactivity in ADHD and alcohol use disorder. Psychopharmacology (Berl) 2020; 237:1691-1707. [PMID: 32285159 PMCID: PMC7239811 DOI: 10.1007/s00213-020-05492-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 02/14/2020] [Indexed: 12/18/2022]
Abstract
RATIONALE Compared to the general population, adult Attention-Deficit / Hyperactivity Disorder (ADHD) is more prevalent in patients with Alcohol Use Disorder (AUD). Impaired behavioral inhibition is a common characteristic in both ADHD and AUD. Relapse risk is increased in patients with AUD and comorbid, untreated ADHD and in AUD patients with increased neural cue-reactivity. OBJECTIVES In this study, we examined the interaction between neural correlates of behavioral inhibition and alcohol cue-reactivity with a hybrid imaging task. METHODS Out of 69 adult study participants, we included n = 49 in our final analyses: Individuals had a diagnosis of either AUD (n = 13), ADHD (n = 14) or both (n = 5), or were healthy controls (HC; n = 17). The functional magnetic resonance imaging paradigm aimed to examine the combined effects of both an interference-inhibition task ("Simon-task") and an alcohol cue-reactivity task. Instead of segregating by diagnostic group, we pursued a dimensional approach in which we compared measures of AUD and ADHD severity, as well as the interaction of both, using multiple regression analyses. RESULTS The four groups did not differ on the behavioral level on either the inhibition task or the alcohol cue-reactivity task. However, brain activation in frontal control and reward-related regions during completion of the combined tasks were related to ADHD and AUD severity (symptom load). During presentation of both alcohol cues and the inhibition task, participants with higher AUD and ADHD symptom load exhibited greater BOLD (blood oxygen level dependent) responses in subcortical reward-related regions. CONCLUSIONS Our findings support the hypothesis that ADHD additionally diminishes inhibition ability in individuals with AUD. This may increase relapse risk when confronted with alcohol cues. Further, it is crucial for patients with comorbid AUD and ADHD to take into account not only reduced cognitive control over behavioral inhibition but also simultaneously heightened alcohol cue-reactivity.
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Clinical, cortical thickness and neural activity predictors of future affective lability in youth at risk for bipolar disorder: initial discovery and independent sample replication. Mol Psychiatry 2019; 24:1856-1867. [PMID: 31628415 PMCID: PMC6814510 DOI: 10.1038/s41380-018-0273-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 07/31/2018] [Accepted: 09/07/2018] [Indexed: 01/02/2023]
Abstract
We aimed to identify markers of future affective lability in youth at bipolar disorder risk from the Pittsburgh Bipolar Offspring Study (BIOS) (n = 41, age = 14, SD = 2.30), and validate these predictors in an independent sample from the Longitudinal Assessment of Manic Symptoms study (LAMS) (n = 55, age = 13.7, SD = 1.9). We included factors of mixed/mania, irritability, and anxiety/depression (29 months post MRI scan) in regularized regression models. Clinical and demographic variables, along with neural activity during reward and emotion processing and gray matter structure in all cortical regions at baseline, were used to predict future affective lability factor scores, using regularized regression. Future affective lability factor scores were predicted in both samples by unique combinations of baseline neural structure, function, and clinical characteristics. Lower bilateral parietal cortical thickness, greater left ventrolateral prefrontal cortex thickness, lower right transverse temporal cortex thickness, greater self-reported depression, mania severity, and age at scan predicted greater future mixed/mania factor score. Lower bilateral parietal cortical thickness, greater right entorhinal cortical thickness, greater right fusiform gyral activity during emotional face processing, diagnosis of major depressive disorder, and greater self-reported depression severity predicted greater irritability factor score. Greater self-reported depression severity predicted greater anxiety/depression factor score. Elucidating unique clinical and neural predictors of future-specific affective lability factors is a step toward identifying objective markers of bipolar disorder risk, to provide neural targets to better guide and monitor early interventions in bipolar disorder at-risk youth.
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Dwyer JB, Cardenas A, Franke RM, Chen Y, Bai Y, Belluzzi JD, Lotfipour S, Leslie FM. Prenatal nicotine sex-dependently alters adolescent dopamine system development. Transl Psychiatry 2019; 9:304. [PMID: 31740669 PMCID: PMC6861272 DOI: 10.1038/s41398-019-0640-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 09/23/2019] [Accepted: 10/20/2019] [Indexed: 02/06/2023] Open
Abstract
Despite persistent public health initiatives, many women continue to smoke during pregnancy. Since maternal smoking has been linked to persisting sex-dependent neurobehavioral deficits in offspring, some consider nicotine to be a safer alternative to tobacco during pregnancy, and the use of electronic nicotine delivery systems is on the rise. We presently show, however, that sustained exposure to low doses of nicotine during fetal development, approximating plasma levels seen clinically with the nicotine patch, produces substantial changes in developing corticostriatal dopamine systems in adolescence. Briefly, pregnant dams were implanted on gestational day 4 with an osmotic minipump that delivered either saline (GS) or nicotine (3 mg/kg/day) (GN) for two weeks. At birth, pups were cross-fostered with treatment naïve dams and were handled daily. Biochemical analyses, signaling assays, and behavioral responses to cocaine were assessed on postnatal day 32, representative of adolescence in the rodent. GN treatment had both sex-dependent and sex-independent effects on prefrontal dopamine systems, altering Catechol-O-methyl transferase (COMT)-dependent dopamine turnover in males and norepinephrine transporter (NET) binding expression in both sexes. GN enhanced cocaine-induced locomotor activity in females, concomitant with GN-induced reductions in striatal dopamine transporter (DAT) binding. GN enhanced ventral striatal D2-like receptor expression and G-protein coupling, while altering the roles of D2 and D3 receptors in cocaine-induced behaviors. These data show that low-dose prenatal nicotine treatment sex-dependently alters corticostriatal dopamine system development, which may underlie clinical deficits seen in adolescents exposed to tobacco or nicotine in utero.
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Affiliation(s)
- Jennifer B. Dwyer
- 0000 0001 0668 7243grid.266093.8Department of Pharmacology, University of California, 360 Med Surge II, Irvine, CA 92697 USA
| | - Anjelica Cardenas
- 0000 0001 0668 7243grid.266093.8Department of Pharmacology, University of California, 360 Med Surge II, Irvine, CA 92697 USA
| | - Ryan M. Franke
- 0000 0001 0668 7243grid.266093.8Department of Pharmacology, University of California, 360 Med Surge II, Irvine, CA 92697 USA
| | - YiLing Chen
- 0000 0001 0668 7243grid.266093.8Department of Pharmacology, University of California, 360 Med Surge II, Irvine, CA 92697 USA
| | - Yu Bai
- 0000 0001 0668 7243grid.266093.8Department of Emergency Medicine, School of Medicine, University of California, Irvine, CA 92697 USA
| | - James D. Belluzzi
- 0000 0001 0668 7243grid.266093.8Department of Pharmacology, University of California, 360 Med Surge II, Irvine, CA 92697 USA
| | - Shahrdad Lotfipour
- 0000 0001 0668 7243grid.266093.8Department of Pharmacology, University of California, 360 Med Surge II, Irvine, CA 92697 USA ,0000 0001 0668 7243grid.266093.8Department of Emergency Medicine, School of Medicine, University of California, Irvine, CA 92697 USA
| | - Frances M. Leslie
- 0000 0001 0668 7243grid.266093.8Department of Pharmacology, University of California, 360 Med Surge II, Irvine, CA 92697 USA ,0000 0001 0668 7243grid.266093.8Department of Anatomy and Neurobiology, School of Medicine, University of California, Irvine, CA 92697 USA
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Schacht JP, Anton RF, McNamara PJ, Im Y, King AC. The dopamine transporter VNTR polymorphism moderates the relationship between acute response to alcohol and future alcohol use disorder symptoms. Addict Biol 2019; 24:1109-1118. [PMID: 30230123 DOI: 10.1111/adb.12676] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 07/23/2018] [Accepted: 07/27/2018] [Indexed: 12/19/2022]
Abstract
Alcohol use disorder (AUD) is a genetically influenced disease with peak onset in young adulthood. Identification of factors that predict whether AUD symptoms will diminish or persist after young adulthood is a critical public health need. King and colleagues previously reported that acute response to alcohol predicted future AUD symptom trajectory. Genes associated with brain dopamine signaling, which underlies alcohol's rewarding effects, might influence this finding. This study analyzed whether variation at a variable number tandem repeat polymorphism in DAT1/SLC6A3, the gene encoding the dopamine transporter, moderated the predictive relationships between acute response to alcohol and future AUD symptoms among participants enrolled in the Chicago Social Drinking Project (first two cohorts). Heavy-drinking young adults (N = 197) completed an alcohol challenge, in which acute response (liking, wanting, stimulation, and sedation) was measured. Alcohol use disorder symptoms were assessed over the following 6 years. DAT1 genotype significantly moderated the interactions between follow-up time and alcohol liking (P = 0.006) and wanting (P = 0.006) in predicting future AUD symptoms. These predictive effects were strongest among participants who carried the DAT1 9-repeat allele, previously associated with enhanced striatal dopamine tone relative to the 10-repeat allele. Exploratory analyses indicated that DAT1 effects on the relationship between alcohol liking and AUD symptoms appeared stronger for females (n = 79) than males (n = 118) (P = 0.0496). These data suggest that heavy-drinking DAT1 9-repeat allele carriers who display high alcohol-induced reward in young adulthood may be predisposed to persistent AUD symptoms and support combining genotypic and phenotypic information to predict future AUD risk.
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Affiliation(s)
- Joseph P. Schacht
- Department of Psychiatry and Behavioral Sciences; Medical University of South Carolina; Charleston South Carolina USA
| | - Raymond F. Anton
- Department of Psychiatry and Behavioral Sciences; Medical University of South Carolina; Charleston South Carolina USA
| | - Patrick J. McNamara
- Department of Psychiatry and Behavioral Neuroscience; University of Chicago; Chicago Illinois USA
| | - Yeongbin Im
- Department of Psychiatry and Behavioral Sciences; Medical University of South Carolina; Charleston South Carolina USA
| | - Andrea C. King
- Department of Psychiatry and Behavioral Neuroscience; University of Chicago; Chicago Illinois USA
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Cotrin JC, Fontenelle LF, Kohlrausch FB. Association analyses reveal gender-specific associations of DAT1 40-bp VNTR and -839C/T polymorphisms with obsessive–compulsive disorder and obsessive–compulsive symptoms. Mol Biol Rep 2019; 46:5155-5162. [DOI: 10.1007/s11033-019-04971-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Accepted: 07/05/2019] [Indexed: 10/26/2022]
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45
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Li Z, Wang Y, Yan C, Cheung EFC, Docherty AR, Sham PC, Gur RE, Gur RC, Chan RCK. Inheritance of Neural Substrates for Motivation and Pleasure. Psychol Sci 2019; 30:1205-1217. [PMID: 31318629 DOI: 10.1177/0956797619859340] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Despite advances in the understanding of the reward system and the role of dopamine in recent decades, the heritability of the underlying neural mechanisms is not known. In the present study, we examined the hemodynamic activation of the nucleus accumbens (NAcc), a key hub of the reward system, in 86 healthy monozygotic twins and 88 healthy dizygotic twins during a monetary-incentive-delay task. The participants also completed self-report measures of pleasure. Using voxelwise heritability mapping, we found that activation of the bilateral NAcc during the anticipation of monetary gains had significant heritability (h2 = .20-.49). Moreover, significant shared genetic covariance was observed between pleasure and NAcc activation during the anticipation of monetary gain. These findings suggest that both NAcc activation and self-reported pleasure may be heritable and that their phenotypic correlation may be partially explained by shared genetic variation.
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Affiliation(s)
- Zhi Li
- 1 Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences.,2 Department of Psychology, Chinese Academy of Sciences
| | - Yi Wang
- 1 Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences
| | - Chao Yan
- 3 Key Laboratory of Brain Functional Genomics, School of Psychology and Cognitive Science, East China Normal University
| | | | - Anna R Docherty
- 5 Department of Psychiatry, University of Utah School of Medicine.,6 Virginia Institute for Psychiatric and Behavioral Genetics, Virginia Commonwealth University
| | - Pak C Sham
- 7 Centre for Genomic Sciences, The University of Hong Kong.,8 State Key Laboratory in Brain and Cognitive Sciences, The University of Hong Kong.,9 Department of Psychiatry, The University of Hong Kong
| | - Raquel E Gur
- 10 Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania
| | - Ruben C Gur
- 10 Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania
| | - Raymond C K Chan
- 1 Neuropsychology and Applied Cognitive Neuroscience Laboratory, CAS Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences.,2 Department of Psychology, Chinese Academy of Sciences
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46
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Zheng D, Chen J, Wang X, Zhou Y. Genetic contribution to the phenotypic correlation between trait impulsivity and resting-state functional connectivity of the amygdala and its subregions. Neuroimage 2019; 201:115997. [PMID: 31284029 DOI: 10.1016/j.neuroimage.2019.07.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 06/23/2019] [Accepted: 07/04/2019] [Indexed: 11/30/2022] Open
Abstract
Trait impulsivity, a predisposition to respond to stimuli without regard for the potentially negative consequences, contributes to many maladaptive behaviors. Studies have shown that both genetic factors and interregional functional interactions underlie trait impulsivity. However, whether common genes contribute to both trait impulsivity and its neural basis is still unknown. This study investigated the phenotypic correlations between trait impulsivity and the resting-state functional connectivity (rsFC) of the amygdala as well as its subregions and the genetic contribution to the phenotypic correlations. By recruiting a sample of 292 twins in late adolescence and young adulthood, we found that trait impulsivity was positively correlated with the rsFC between the left full amygdala and the right dorsolateral prefrontal cortex (DLPFC). Further analyses on the subregions of the amygdala showed that trait impulsivity was positively correlated with the rsFCs between the left basolateral (BL) amygdala and both the right DLPFC and the right inferior frontal gyrus and with the rsFCs between the right superficial (SF) amygdala and both the dorsal anterior cingulate cortex and right anterior insula. Bivariate genetic modelling analyses found genetic overlaps between trait impulsivity and the rsFC of the left full amygdala or the left BL amygdala with the right DLPFC. The proportions of phenotypic associations accounted for by overlapping genes were 82% and 60%, respectively. These results provide evidence for the genetic overlap between trait impulsivity and the intrinsic brain functional connectivity centered at the amygdala and especially at its BL subregion.
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Affiliation(s)
- Dang Zheng
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, 100101, PR China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, PR China; Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, PR China
| | - Jie Chen
- Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, PR China; CAS Key Laboratory of Mental Health, Institute of Psychology, Beijing, 100101, PR China
| | - Xiaoming Wang
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, 100101, PR China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Yuan Zhou
- CAS Key Laboratory of Behavioral Science, Institute of Psychology, Beijing, 100101, PR China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, 100049, PR China; Magnetic Resonance Imaging Research Center, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, PR China; The National Clinical Research Center for Mental Disorders, Beijing Anding Hospital, Capital Medical University, Beijing, 100088, China.
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Glenn AL. Using biological factors to individualize interventions for youth with conduct problems: Current state and ethical issues. INTERNATIONAL JOURNAL OF LAW AND PSYCHIATRY 2019; 65:101348. [PMID: 29673560 DOI: 10.1016/j.ijlp.2018.04.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2017] [Accepted: 04/05/2018] [Indexed: 06/08/2023]
Abstract
A growing body of evidence suggests that biological factors such as genes, hormone levels, brain structure, and brain functioning influence the development and trajectory of conduct problems in youth. In addition, biological factors affect how individuals respond to the environment, including how individuals respond to programs designed to prevent or treat conduct problems. Programs designed to reduce behavior problems in youth would have the greatest impact if they were targeted toward youth who need it the most (e.g., who are mostly likely to demonstrate persistent behavior problems) as well as youth who may benefit the most from the program. Biological information may improve our ability to make decisions about which type or level of intervention is best for a particular child, thus maximizing overall effectiveness, but it also raises a number of ethical concerns. These include the idea that we may be providing fewer services to some youth based on biological factors, and that information about biological risk could potentially lead to discrimination or labeling. In this article, I discuss the risks and benefits of using biological information to individualize interventions for youth with conduct problems.
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Affiliation(s)
- Andrea L Glenn
- Center for the Prevention of Youth Behavior Problems, Department of Psychology, The University of Alabama, Box 870348, Tuscaloosa, AL 35487, USA.
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Efficacy of intervention at traffic schools reducing impulsive action, and association with candidate gene variants. Acta Neuropsychiatr 2019; 31:159-166. [PMID: 31182183 DOI: 10.1017/neu.2019.2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Road traffic injuries are the leading cause of death among young people. Recognition of the contribution of impulsive behaviour may help novice drivers to behave more safely. Previously a brief intervention focusing on impulsive traffic behaviour conducted by psychologists in driving schools had been effective. The aim of this study was an independent re-evaluation of the effect of the intervention, as conducted by driving school teachers, and assessment of the potential associations with candidate genotypes. METHODS Driving school students (mean age 22.5, SD=7.9) were divided into intervention (n=704) and control (n=737) groups. Driving school teachers were trained to administer the intervention which consisted of a lecture and group work (1.5 h in total) on impulsivity. Traffic offences and crashes were monitored during 3 years, using police and traffic insurance fund databases. Functional polymorphisms of the dopamine transporter (DAT) and serotonin transporter genes (DAT1 VNTR and 5-HTTLPR) were assessed. RESULTS The intervention significantly lowered general traffic risk and prevalence of traffic accidents. DAT1 VNTR 9R carriers, particularly males, had higher general traffic risk in the whole sample. Female 5-HTTLPR s' allele carriers of the intervention group had the lowest general traffic risk. Intervention was most effective in female DAT1 VNTR 10R/10R homozygotes. CONCLUSIONS Brief impulsivity-centred intervention appears as a promising strategy for preventing risk-taking behaviour in novice drivers and can be fully integrated to driving school curriculum.
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Relapse of drunk driving and association with traffic accidents, alcohol-related problems and biomarkers of impulsivity. Acta Neuropsychiatr 2019; 31:84-92. [PMID: 30472966 DOI: 10.1017/neu.2018.30] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVE Individual biological predispositions should play a role in risky driving behaviour. Platelet monoamine oxidase (MAO) activity, dopamine transporter gene (DAT1) and neuropeptide S receptor 1 (NPSR1) gene polymorphisms have been identified as markers of impulsivity, alcohol use and excessive risk-taking. We aimed to find out how this knowledge on neurobiology of impulsivity applies to drunk driving and traffic behaviour in general. METHODS We have longitudinally examined the behaviour of drunk drivers (n = 203) and controls (n = 211) in traffic, in association with their alcohol-related problems, personality measures and the three biomarkers. We analysed differences between the subjects based on whether they had committed driving while impaired by alcohol (DWI) violation in a 10-year time period after recruitment or not and investigated further, what kind of predictive value do the different biomarkers have in committing DWI and other traffic violations and accidents. RESULTS The original drunk drivers group had lower platelet MAO activity but further DWI was not significantly associated with this measure. Being a NPSR1 T-allele carrier contributed to the risk of repeatedly committing DWI. DAT1 9R carriers in contrast were involved in more traffic accidents by their own fault (active accidents), compared to 10R homozygotes in the whole sample. All groups with DWI also had significantly more alcohol-related problems and higher scores in maladaptive impulsivity compared to controls without DWI. CONCLUSIONS Established biological markers of alcohol use and impulsivity can be reliably associated with everyday traffic behaviour and help in contributing to the understanding of the need for more personalized prevention activities.
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Hippmann B, Kuhlemann I, Bäumer T, Bahlmann J, Münte TF, Jessen S. Boosting the effect of reward on cognitive control using TMS over the left IFJ. Neuropsychologia 2019; 125:109-115. [PMID: 30721740 DOI: 10.1016/j.neuropsychologia.2019.01.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 01/22/2019] [Accepted: 01/27/2019] [Indexed: 11/24/2022]
Abstract
Although an enhancing effect of reward on cognitive performance has been observed consistently, its neural underpinnings remain elusive. Recent evidence suggests that the inferior frontal junction (IFJ) may be a key player underlying such an enhancement by integrating motivational processes and cognitive control. However, its exact role and in particular a potential causality of IFJ activation is still unclear. In the present study, we therefore investigated the causal contributions of the left IFJ in motivated task switching by temporarily disrupting its activity using continuous theta burst stimulation (cTBS, Exp.1) or 1 Hz repetitive transcranial magnetic stimulation (rTMS, Exp.2). After TMS application over the left IFJ or a control site (vertex), participants performed a switch task in which numbers had to be judged by magnitude or parity. Different amounts of monetary rewards (high vs low) were used to manipulate the participants' motivational states. We measured reaction times and error rates. Irrespective of TMS stimulation, participants exhibited slower responses following task switches compared to task repeats. This effect was reduced in high reward trials. Importantly, we found that disrupting the IFJ improved participants' behavioral performance in the high reward condition. For high reward trials exclusively, error rates decreased when the IFJ was modulated with cTBS or 1 Hz rTMS but not after vertex stimulation. Our results suggest that the left IFJ is causally related to the increase in cognitive performance through reward.
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Affiliation(s)
| | - Ivo Kuhlemann
- Institute for Robotics and Cognitive Systems, University of Lübeck, D-23538 Lübeck, Germany
| | - Tobias Bäumer
- Institute of Neurogenetics, University of Lübeck, D-23538 Lübeck, Germany
| | - Jörg Bahlmann
- Department of Neurology, University of Lübeck, D-23538 Lübeck, Germany
| | - Thomas F Münte
- Department of Neurology, University of Lübeck, D-23538 Lübeck, Germany
| | - Sarah Jessen
- Department of Neurology, University of Lübeck, D-23538 Lübeck, Germany
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