1
|
Olasore HSA, Osuntoki AA, Magbagbeola OA, Awesu ARB, Olashore AA. Association of Dopamine Transporter Gene (DAT1) 40 bp 3′ UTR VNTR Polymorphism (rs28363170) and Cannabis Use Disorder. SUBSTANCE ABUSE: RESEARCH AND TREATMENT 2023; 17:11782218231163696. [PMID: 37020726 PMCID: PMC10068503 DOI: 10.1177/11782218231163696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 02/27/2023] [Indexed: 04/03/2023]
Abstract
Introduction: Cannabis remains the most widely used illicit drug among Nigerians, often associated with psychiatric disorders. Since genetic predisposition has been implicated in substance use disorders, we, therefore, aimed at finding out the relationship between dopamine transporter gene (DAT1) polymorphism and cannabis use disorder. Methods: We recruited 104 patients from a tertiary psychiatric facility in Lagos, Nigeria, who were diagnosed with cannabis use disorder according to ICD-10 and 96 non-smokers as a comparative group. The smokers were screened with Cannabis Use Disorder Identification Test (CUDIT), and cannabis dependence was assessed with the Severity of Dependence Scale (SDS). Genotyping was carried out for the 40 bp 3′ UTR VNTR of the DAT1 (rs28363170). Results: The frequencies of 9R/9R, 9R/10R, 10R/10R among non-smokers and smokers were 14 (14.3%), 25 (26.2%), 57 (59.5%) and 17 (16.3%), 54 (51.9%), 33 (31.7%) respectively. The genotype distribution was in Hardy Weinberg equilibrium (HWE) only in the smokers’ population (χ² = 1.896, P = .166). Individuals with the 10R allele were almost twice as likely as the 9R carriers to smoke cannabis (OR = 1.915, 95% CI: 1.225-2.995). However, this polymorphism was not associated with the quantity of cannabis smoked, age at onset of smoking, CUDIT, and SDS scores. Conclusion: The DAT VNTR polymorphism was associated with cannabis smoking but not cannabis use disorder.
Collapse
Affiliation(s)
- Holiness SA Olasore
- Department of Biochemistry, College of Medicine of the University of Lagos, Idi Araba, Lagos, Nigeria
| | - Akinniyi A Osuntoki
- Department of Biochemistry, College of Medicine of the University of Lagos, Idi Araba, Lagos, Nigeria
| | - Olubunmi A Magbagbeola
- Department of Biochemistry, College of Medicine of the University of Lagos, Idi Araba, Lagos, Nigeria
| | | | - Anthony A Olashore
- Department of Psychiatry, Nelson R Mandela School of Medicine, University of KwaZulu-Natal, Durban, South Africa
- Department of Psychiatry, University of Botswana, Gaborone, Botswana
| |
Collapse
|
2
|
Aroche AP, Rovaris DL, Grevet EH, Stolf AR, Sanvicente-Vieira B, Kessler FHP, von Diemen L, Grassi-Oliveira R, Bau CHD, Schuch JB. Association of CHRNA5 Gene Variants with Crack Cocaine Addiction. Neuromolecular Med 2020; 22:384-390. [PMID: 32152934 DOI: 10.1007/s12017-020-08596-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Accepted: 02/27/2020] [Indexed: 12/15/2022]
Abstract
Genome-wide studies provide increasing evidence of association of genetic variants with different behaviors. However, there is a growing need for replication and subsequent characterization of specific findings. In this sense, the CHRNA5 gene has been associated with nicotine (with genome-wide significance), alcohol and cocaine addictions. So far, this gene has not been evaluated in smoked (crack) cocaine. We aimed to analyze the influence of CHRNA5 variants in crack addiction susceptibility and severity. The sample includes 300 crack-addicted patients and 769 non-addicted individuals. The CHRNA5 SNPs evaluated were rs588765, rs16969968, and rs514743. Homozygosity for rs16969968 and rs588765 major alleles was nominally associated with a risk to crack addiction (GG, P = 0.032; CC, P = 0.036, respectively). Haplotype analyses reveal significant associations (rs588765|rs16969968|rs514743 pglobal-corrected = 7.66 × 10-5) and suggest a substantial role for rs16969968. These findings corroborate previous reports in cocaine addiction-in line with the expected effects of cocaine in the cholinergic system-and in the opposite direction of significant GWAS findings for nicotine addiction susceptibility. These results are strengthened by the first report of an association of rs588765 with crack addiction and by the haplotype findings. In summary, our study highlights the relevance of the α5 subunit on crack cocaine addiction, replicating previous results relating CHRNA5 with the genetics and pathophysiology of addiction of different drugs.
Collapse
Affiliation(s)
- Angelita P Aroche
- Department of Genetics, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Diego L Rovaris
- Instituto de Ciencias Biomedicas, Departamento de Fisiologia e Biofisica, Universidade de Sao Paulo, São Paulo, Brazil.,Department of Psychiatry, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,ADHD Outpatient Program, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Eugenio H Grevet
- Department of Psychiatry, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,ADHD Outpatient Program, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil
| | - Anderson R Stolf
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Breno Sanvicente-Vieira
- Developmental Cognitive Neuroscience Lab, Biomedical Research Institute, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Felix H P Kessler
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Lisia von Diemen
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande Do Sul, Porto Alegre, Brazil
| | - Rodrigo Grassi-Oliveira
- Developmental Cognitive Neuroscience Lab, Biomedical Research Institute, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil
| | - Claiton H D Bau
- Department of Genetics, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil. .,Department of Psychiatry, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
| | - Jaqueline B Schuch
- Department of Genetics, Instituto de Biociências, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Department of Psychiatry, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande Do Sul, Porto Alegre, Brazil
| |
Collapse
|
3
|
Prevalence of Some Genetic Risk Factors for Nicotine Dependence in Ukraine. GENETICS RESEARCH INTERNATIONAL 2019; 2019:2483270. [PMID: 31885928 PMCID: PMC6925678 DOI: 10.1155/2019/2483270] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 08/22/2019] [Indexed: 11/17/2022]
Abstract
Tobacco smoking is known to be a strong risk factor for developing many diseases. The development and severity of smoking dependence results from interaction of environmental and lifestyle factors, psycho-emotional predispositions, and also from genetic susceptibility. In present study, we investigated polymorphic variants in genes contributed to nicotine dependence, as well as to increased impulsivity, known to be an important risk factor for substance use disorders, in Ukraine population. The genotype frequencies at CYP2A6, DNMT3B, DRD2, HTR2A, COMT, BDNF, GABRA2, CHRNA5, and DAT1 polymorphisms were determined in 171 Ukraine residents, and these data were compared with data for several other European populations and main ethnic groups. It has been found that genotype frequencies for all studied loci are in Hardy-Weinberg equilibrium in the Ukrainian population and correspond to the respective frequencies in European populations. These findings suggest a similar impact of these loci on nicotine dependence in Ukraine. Further studies with larger sample sizes are, however, needed to draw firm conclusions about the effect size of these polymorphisms.
Collapse
|
4
|
Das A, Pagliaroli L, Vereczkei A, Kotyuk E, Langstieh B, Demetrovics Z, Barta C. Association of GDNF and CNTNAP2 gene variants with gambling. J Behav Addict 2019; 8:471-478. [PMID: 31446765 PMCID: PMC7044627 DOI: 10.1556/2006.8.2019.40] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND AND AIMS Some form of gambling can be observed in nearly every society, as the gratification felt upon winning in uncertain conditions is universal. A culturally distinct form of gambling, associated with a traditional sporting event of archery known as "teer," is innate to the province of Meghalaya, India. The objective of this study was to find genetic variants underlying this unique form of behavioral addiction. To better understand game-based gambling, we studied genetic variants related to dopaminergic pathways and other genes previously linked to various psychological disorders. METHODS This study was carried out on a sample of 196 Indo-Aryan adults from Shillong, Meghalaya. Genotyping of glial cell line-derived neurotrophic factor (GDNF) polymorphisms was carried out using real-time PCR. We further investigated 32 single nucleotide polymorphisms located in the 3' UTR of additional genes of interest using an OpenArray® real-time PCR platform. RESULTS Case-control analysis revealed a significant association between GDNF variant rs2973033 (p = .00864, χ2 = 13.132, df = 2) and contactin-associated protein-like 2 (CNTNAP2) variant rs2530311 (p = .0448, χ2 = 13.132, df = 2) with gambling. DISCUSSION AND CONCLUSIONS Association of the GDNF gene with gambling could be attributed to its involvement in the development and survival of dopaminergic neurons. Our result is in good agreement with previous data indicating the role of GDNF in certain substance addictions. Several rare variants in the CNTNAP2 gene were also implicated in alcohol addiction in a previous study. This pilot study provides further support for the role of GDNF and CNTNAP2 in addiction behaviors.
Collapse
Affiliation(s)
- Arundhuti Das
- Institute of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest, Hungary,Department of Anthropology, Utkal University, Bhubaneswar, India,Indian Council of Medical Research, Regional Medical Research Center, Bhubaneswar, India
| | - Luca Pagliaroli
- Institute of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest, Hungary
| | - Andrea Vereczkei
- Institute of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest, Hungary
| | - Eszter Kotyuk
- MTA-ELTE Lendület Adaptation Research Group, Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Banrida Langstieh
- Department of Anthropology, North Eastern Hill University, Shillong, India
| | - Zsolt Demetrovics
- MTA-ELTE Lendület Adaptation Research Group, Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Csaba Barta
- Institute of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, Budapest, Hungary,Corresponding author: Csaba Barta, MD, PhD; Institute of Medical Chemistry, Molecular Biology and Pathobiochemistry, Semmelweis University, 37-47 Tuzolto Street, Budapest, 1094, PO Box 260, Hungary; Phone: +36 1 459 1500 ext. 60137; Fax: +36 1 266 7480; E-mail:
| |
Collapse
|
5
|
Cherepkova EV, Maksimov VN, Kushnarev AP, Shakhmatov II, Aftanas LI. The polymorphism of dopamine receptor D4 (DRD4) and dopamine transporter (DAT) genes in the men with antisocial behaviour and mixed martial arts fighters. World J Biol Psychiatry 2019; 20:402-415. [PMID: 28797200 DOI: 10.1080/15622975.2017.1366056] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Objectives: Variable-number tandem repeat (VNTR) polymorphisms of DRD4 and DAT genes were studied in the Russian and Chechen men convicted of crimes, and two control groups comprised of the MMA fighters and a sample of general population. A group of MMA fighters included only the subjects without history of antisocial behaviour. Methods: DNA was isolated by phenol-chloroform extraction from the blood. Genotyping VNTR polymorphisms of the DRD4 and DAT genes were performed by PCR on published methods. Results: Among those convicted of felonies and most grave crimes, carriers of DRD4 long alleles are found more frequently, similarly to the cohort of MMA fighters (lacking criminal record in both paternal lines). The 9/9 DAT genotype carriers are more frequently encountered among the habitual offenders. A frequency of the combination of the DRD4 genotype 4/7 and DAT genotype 10/10 is clearly higher among the convicts of violent crimes and the MMA fighters. One can speculate the presence of a 'controlled aggression' without a predisposition to pathological violence in the MMA fighters. Conclusions: Our study supports the hypothesis of genetic predisposition to different variants of extreme behaviour mediated by genetic determinants involved in the functioning of neuromediator systems including those controlling dopamine pathways.
Collapse
Affiliation(s)
- Elena V Cherepkova
- a Department of Experimental & Clinical Neuroscience, Lab. of Affective, Cognitive & Translational Neuroscience , Federal State Scientific Budgetary Institution 'Scientific Research Institute of Physiology & Basic Medicine' , Novosibirsk , Russian Federation
| | - Vladimir N Maksimov
- c Laboratory of Molecular Genetic Studies of Internal Diseases , Federal State Scientific Budgetary I Institution of Internal and Preventive Medicine , Novosibirsk , Russian Federation
| | - Alexandr P Kushnarev
- a Department of Experimental & Clinical Neuroscience, Lab. of Affective, Cognitive & Translational Neuroscience , Federal State Scientific Budgetary Institution 'Scientific Research Institute of Physiology & Basic Medicine' , Novosibirsk , Russian Federation
| | - Igor I Shakhmatov
- d Department of Physiology , Altai State Medical University , Barnaul , Russian Federation
| | - Lyubomir I Aftanas
- a Department of Experimental & Clinical Neuroscience, Lab. of Affective, Cognitive & Translational Neuroscience , Federal State Scientific Budgetary Institution 'Scientific Research Institute of Physiology & Basic Medicine' , Novosibirsk , Russian Federation.,b Department of Neuroscience, Lab. of Experimental & Translational Neuroscience , Novosibirsk State University , Novosibirsk , Russian Federation
| |
Collapse
|
6
|
Yohn SE, Galbraith J, Calipari ES, Conn PJ. Shared Behavioral and Neurocircuitry Disruptions in Drug Addiction, Obesity, and Binge Eating Disorder: Focus on Group I mGluRs in the Mesolimbic Dopamine Pathway. ACS Chem Neurosci 2019; 10:2125-2143. [PMID: 30933466 PMCID: PMC7898461 DOI: 10.1021/acschemneuro.8b00601] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Accumulated data from clinical and preclinical studies suggest that, in drug addiction and states of overeating, such as obesity and binge eating disorder (BED), there is an imbalance in circuits that are critical for motivation, reward saliency, executive function, and self-control. Central to these pathologies and the extensive topic of this Review are the aberrations in dopamine (DA) and glutamate (Glu) within the mesolimbic pathway. Group I metabotropic glutamate receptors (mGlus) are highly expressed in the mesolimbic pathway and are poised in key positions to modulate disruptions in synaptic plasticity and neurotransmitter release observed in drug addiction, obesity, and BED. The use of allosteric modulators of group I mGlus has been studied in drug addiction, as they offer several advantages over traditional orthosteric agents. However, they have yet to be studied in obesity or BED. With the substantial overlap between the neurocircuitry involved in drug addiction and eating disorders, group I mGlus may also provide novel targets for obesity and BED.
Collapse
Affiliation(s)
- Samantha E. Yohn
- Department of Pharmacology, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, United States
- Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University, Nashville, TN, 37232, United States
| | - Jordan Galbraith
- Department of Pharmacology, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, United States
| | - Erin S. Calipari
- Department of Pharmacology, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, United States
| | - P. Jeffrey Conn
- Department of Pharmacology, Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, TN, 37232, United States
- Vanderbilt Center for Neuroscience Drug Discovery, Vanderbilt University, Nashville, TN, 37232, United States
| |
Collapse
|
7
|
Stolf AR, Müller D, Schuch JB, Akutagava-Martins GC, Guimaraes LSP, Szobot CM, Halpern R, Kessler FHP, Pechansky F, Roman T. Association between the Intron 8 VNTR Polymorphism of the DAT1 Gene and Crack Cocaine Addiction. Neuropsychobiology 2018; 75:141-144. [PMID: 29332099 DOI: 10.1159/000485128] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Accepted: 11/08/2017] [Indexed: 11/19/2022]
Abstract
BACKGROUND This study aims to compare allele and genotype frequencies of a 30-bp variable number of tandem repeats (VNTR) polymorphism of the DAT1 gene, located at intron 8, between adult crack cocaine users and nonaddicted individuals. Due to its involvement in drug addiction, this gene is a good candidate for molecular studies. METHODS A cross-sectional sample of 239 current adult crack abusers or dependents from in- and outpatient clinics and 211 control individuals was collected in Brazil. They were evaluated using ASRS, ASI-6, WAIS-III, and MINI assessments. DNA samples extracted from whole blood were genotyped for the intron 8 VNTR in DAT1. RESULTS Logistic regression analysis was performed and controlled for gender, age, ethnicity, educational level, and comorbidities of clinical interest (generalized anxiety disorder, suicide risk, major depressive episode, and attention deficit/hyperactivity disorder). This analysis showed that the 6R6R genotype was associated with crack cocaine addiction (OR = 1.844; CI = 1.101-3.089; p = 0.020). CONCLUSIONS Our results are consistent with the role of DAT1 in the neurobiology of drug addiction. Nevertheless, the study of other genes, environmental factors, and their interactions is also important to gain a broader understanding of this condition.
Collapse
Affiliation(s)
- Anderson R Stolf
- Center for Drug and Alcohol Research (CPAD), Hospital de Clínicas de Porto Alegre (HCPA), Unidade Álvaro Alvim, Porto Alegre, Brazil
| | - Diana Müller
- Department of Genetics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Jaqueline B Schuch
- Center for Drug and Alcohol Research (CPAD), Hospital de Clínicas de Porto Alegre (HCPA), Unidade Álvaro Alvim, Porto Alegre, Brazil.,Department of Genetics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | | | - Luciano S P Guimaraes
- Center for Drug and Alcohol Research (CPAD), Hospital de Clínicas de Porto Alegre (HCPA), Unidade Álvaro Alvim, Porto Alegre, Brazil
| | - Claudia M Szobot
- Center for Drug and Alcohol Research (CPAD), Hospital de Clínicas de Porto Alegre (HCPA), Unidade Álvaro Alvim, Porto Alegre, Brazil.,Child and Adolescent Psychiatric Service (SPIA), Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil
| | - Ricardo Halpern
- Federal University of Health Sciences of Porto Alegre, Porto Alegre, Brazil
| | - Felix H P Kessler
- Center for Drug and Alcohol Research (CPAD), Hospital de Clínicas de Porto Alegre (HCPA), Unidade Álvaro Alvim, Porto Alegre, Brazil
| | - Flavio Pechansky
- Center for Drug and Alcohol Research (CPAD), Hospital de Clínicas de Porto Alegre (HCPA), Unidade Álvaro Alvim, Porto Alegre, Brazil
| | - Tatiana Roman
- Department of Genetics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| |
Collapse
|
8
|
Salatino-Oliveira A, Rohde LA, Hutz MH. The dopamine transporter role in psychiatric phenotypes. Am J Med Genet B Neuropsychiatr Genet 2018; 177:211-231. [PMID: 28766921 DOI: 10.1002/ajmg.b.32578] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 06/26/2017] [Accepted: 07/18/2017] [Indexed: 01/06/2023]
Abstract
The dopamine transporter (DAT) is one of the most relevant and investigated neurotransmitter transporters. DAT is a plasma membrane protein which plays a homeostatic role, controlling both extracellular and intracellular concentrations of dopamine (DA). Since unbalanced DA levels are known to be involved in numerous mental disorders, a wealth of investigations has provided valuable insights concerning DAT role into normal brain functioning and pathological processes. Briefly, this extensive but non-systematic review discusses what is recently known about the role of SLC6A3 gene which encodes the dopamine transporter in psychiatric phenotypes. DAT protein, SLC6A3 gene, animal models, neuropsychology, and neuroimaging investigations are also concisely discussed. To conclude, current challenges are reviewed in order to provide perspectives for future studies.
Collapse
Affiliation(s)
| | - Luis A Rohde
- Division of Child and Adolescent Psychiatry, Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.,Institute for Developmental Psychiatry for Children and Adolescents, São Paulo, Brazil
| | - Mara H Hutz
- Department of Genetics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| |
Collapse
|
9
|
Health outcomes associated with crack-cocaine use: Systematic review and meta-analyses. Drug Alcohol Depend 2017; 180:401-416. [PMID: 28982092 DOI: 10.1016/j.drugalcdep.2017.08.036] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 08/29/2017] [Accepted: 08/29/2017] [Indexed: 12/17/2022]
Abstract
BACKGROUND Crack-cocaine use is prevalent largely in socio-economically marginalized populations in the Americas. Its use has been associated with diverse health outcomes, yet no recent or systematic reviews of these exist. METHODS A systematic review of health outcomes associated with crack-cocaine use was performed, using MEDLINE, Scopus, Web of Science, CINAHL, PsycINFO, and LILACS up to October 2016. Search terms included crack-cocaine and health outcome-related keywords, targeting peer-reviewed studies on quantified health outcomes associated with crack-cocaine use. Random effects meta-analyses produced pooled odds ratios. Levels of evidence for major results were assessed using the GRADE approach. A review protocol was registered with PROSPERO (CRD42016035486). RESULTS Of 4700 articles returned, 302 met eligibility criteria, reporting on health outcomes for 14 of 22 ICD-10 chapters. Conclusive evidence and meta-analyses showed positive associations between crack-cocaine use and blood/sexually transmitted diseases (HIV and hepatitis C virus, others); moderate evidence and meta-analyses supported associations with neonatal health, and violence. There were mixed associations for mental and other health outcomes, yet insufficient evidence to perform meta-analyses for many categories (e.g., mortality). Most underlying research was of limited or poor quality, with crack-cocaine commonly assessed as a secondary covariate. CONCLUSIONS Crack-cocaine use was associated with a range of health outcomes, although it was unclear if there was direct causal impact, interactions between risk factors, or external drivers of both crack-cocaine use and outcomes. Rigorous epidemiological studies are needed to systematically assess health outcomes of crack-cocaine use and underlying pathways, also to inform evidence-based interventions.
Collapse
|
10
|
Shi Z, Wang AL, Aronowitz CA, Romer D, Langleben DD. Individual differences in the processing of smoking-cessation video messages: An imaging genetics study. Biol Psychol 2017; 128:125-131. [PMID: 28757070 PMCID: PMC5731475 DOI: 10.1016/j.biopsycho.2017.07.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 07/21/2017] [Accepted: 07/24/2017] [Indexed: 11/25/2022]
Abstract
Studies testing the benefits of enriching smoking-cessation video ads with attention-grabbing sensory features have yielded variable results. Dopamine transporter gene (DAT1) has been implicated in attention deficits. We hypothesized that DAT1 polymorphism is partially responsible for this variability. Using functional magnetic resonance imaging, we examined brain responses to videos high or low in attention-grabbing features, indexed by "message sensation value" (MSV), in 53 smokers genotyped for DAT1. Compared to other smokers, 10/10 homozygotes showed greater neural response to High- vs. Low-MSV smoking-cessation videos in two a priori regions of interest: the right temporoparietal junction and the right ventrolateral prefrontal cortex. These regions are known to underlie stimulus-driven attentional processing. Exploratory analysis showed that the right temporoparietal response positively predicted follow-up smoking behavior indexed by urine cotinine. Our findings suggest that responses to attention-grabbing features in smoking-cessation messages is affected by the DAT1 genotype.
Collapse
Affiliation(s)
- Zhenhao Shi
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Annenberg Public Policy Center, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - An-Li Wang
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Catherine A Aronowitz
- Annenberg Public Policy Center, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Daniel Romer
- Annenberg Public Policy Center, University of Pennsylvania, Philadelphia, PA 19104, United States
| | - Daniel D Langleben
- Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, United States; Annenberg Public Policy Center, University of Pennsylvania, Philadelphia, PA 19104, United States; Corporal Michael J. Crescenz Veterans Administration Medical Center, Philadelphia, PA 19104, United States.
| |
Collapse
|
11
|
Cherepkova EV, Aftanas LI, Maksimov N, Menshanov PN. Frequency of 3' VNTR Polymorphism in the Dopamine Transporter Gene SLC6A3 in Humans Predisposed to Antisocial Behavior. Bull Exp Biol Med 2016; 162:82-85. [PMID: 27882466 DOI: 10.1007/s10517-016-3551-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Indexed: 10/20/2022]
Abstract
Predisposition to antisocial behavior can be related to the presence of certain polymorphic variants of genes encoding dopaminergic system proteins. We studied the frequencies of allele variants and genotypes of variable number tandem repeat polymorphism in 3' untranslated region (3' VTNR) of the dopaminergic transporter SLC6A3 gene in Caucasian men committed socially dangerous violent and non-violent crimes. Alleles with 9 and 10 repeats were most frequent in both the control group and group of men predisposed to antisocial behavior. At the same time, the 10/10 genotype was more frequently observed in the group of men prone to antisocial non-violent behavior. Hence, the presence of certain variants of 3' VTNR polymorphism of SLC6A3 gene in men is associated with predisposition to certain forms of antisocial behavior.
Collapse
Affiliation(s)
- E V Cherepkova
- Research Institute of Physiology and Fundamental Medicine, Novosibirsk, Russia.
| | - L I Aftanas
- Research Institute of Physiology and Fundamental Medicine, Novosibirsk, Russia
| | - N Maksimov
- Research Institute of Therapy and Preventive Medicine, Novosibirsk, Russia.,Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia
| | - P N Menshanov
- Federal Research Center Institute of Cytology and Genetics, Siberian Division of the Russian Academy of Sciences, Novosibirsk, Russia.,Novosibirsk State University, Novosibirsk, Russia
| |
Collapse
|
12
|
Jia X, Wang F, Han Y, Geng X, Li M, Shi Y, Lu L, Chen Y. miR-137 and miR-491 Negatively Regulate Dopamine Transporter Expression and Function in Neural Cells. Neurosci Bull 2016; 32:512-522. [PMID: 27628529 DOI: 10.1007/s12264-016-0061-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 07/13/2016] [Indexed: 12/14/2022] Open
Abstract
The dopamine transporter (DAT) is involved in the regulation of extracellular dopamine levels. A 40-bp variable-number tandem repeat (VNTR) polymorphism in the 3'-untranslated region (3'UTR) of the DAT has been reported to be associated with various phenotypes that are involved in the aberrant regulation of dopaminergic neurotransmission. In the present study, we found that miR-137 and miR-491 caused a marked reduction of DAT expression, thereby influencing neuronal dopamine transport. Moreover, the regulation of miR-137 and miR-491 on this transport disappeared after the DAT was silenced. The miR-491 seed region that is located on the VNTR sequence in the 3'UTR of the DAT and the regulatory effect of miR-491 on the DAT depended on the VNTR copy-number. These data indicate that miR-137 and miR-491 regulate DAT expression and dopamine transport at the post-transcriptional level, suggesting that microRNA may be targeted for the treatment of diseases associated with DAT dysfunction.
Collapse
Affiliation(s)
- Xiaojian Jia
- Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Department of Ultrasound, Peking University Shenzhen Hospital, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, 518036, China
| | - Feng Wang
- Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Department of Ultrasound, Peking University Shenzhen Hospital, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, 518036, China.,Department of Physiology and Neurobiology, Xinxiang Medical University, Xinxiang, 453000, China
| | - Ying Han
- Institute of Mental Health, Peking University Sixth Hospital and Key Laboratory of Mental Health, National Institute on Drug Dependence, Peking University, Beijing, 100191, China
| | - Xuewen Geng
- Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Department of Ultrasound, Peking University Shenzhen Hospital, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, 518036, China
| | - Minghua Li
- Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Department of Ultrasound, Peking University Shenzhen Hospital, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, 518036, China
| | - Yu Shi
- Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Department of Ultrasound, Peking University Shenzhen Hospital, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, 518036, China
| | - Lin Lu
- Institute of Mental Health, Peking University Sixth Hospital and Key Laboratory of Mental Health, National Institute on Drug Dependence, Peking University, Beijing, 100191, China.
| | - Yun Chen
- Shenzhen Key Laboratory for Drug Addiction and Medication Safety, Department of Ultrasound, Peking University Shenzhen Hospital, Biomedical Research Institute, Shenzhen Peking University - The Hong Kong University of Science and Technology Medical Center, Shenzhen, 518036, China.
| |
Collapse
|
13
|
Dopamine transporter gene may be associated with bipolar disorder and its personality traits. Eur Arch Psychiatry Clin Neurosci 2015; 265:281-90. [PMID: 25547317 DOI: 10.1007/s00406-014-0570-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2014] [Accepted: 12/18/2014] [Indexed: 12/25/2022]
Abstract
Dopamine transporter and its genetic factors have been suggested to play a critical role in the development of bipolar disorder (BPD). However, the importance of the dopamine transporter gene (DAT1) in the pathogenesis of BPD remains unclear. The aims of this study were to assess 18 polymorphisms of the DAT1 gene to determine whether this gene is associated with BPD and whether it influences personality traits of patients with BPD. DAT1 polymorphisms were analyzed in 492 BPD (374 BPDI and 118 BPDII) patients and 436 controls. All participants were screened using the same assessment tool, and all met the criteria for BPD. The Tridimensional Personality Questionnaire was used to assess personality traits in both patients and controls. Several polymorphisms had a weak association with BPD, including rs2550948, rs2652511, and rs2975226 in allele distribution analysis (P < 0.05). Furthermore, the promoter G-A-C-G haplotype (rs6350-rs2975226-rs2652511-rs6413429) was over-represented in the BPD patients compared to the controls (P = 0.007). In personality assessment, the BPDII patients had the highest harm avoidance score, followed by the BPDI patients and controls (P = 3.7 × 10(-32)). In addition, a significant association between rs40184 and harm avoidance was found in the patients with BPD. The DAT1 promoter may be associated with vulnerabilities in BPD. The BPD patients had a higher rate of harm avoidance personality traits than the controls, and DAT1 variants may influence personality traits in patients with BPD.
Collapse
|