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Tokko T, Eensoo D, Harro J. From parents to children: associations of traffic risks with impulsivity, family relationships and serotonin transporter genotype. J Neural Transm (Vienna) 2024:10.1007/s00702-024-02798-8. [PMID: 38900273 DOI: 10.1007/s00702-024-02798-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Accepted: 06/08/2024] [Indexed: 06/21/2024]
Abstract
Road traffic injuries are the leading cause of death for young adults, and parents play a major role in shaping their traffic behaviour. Higher impulsivity (predictor of higher traffic risk) has been shown to be dependent on family relations and the serotonin transporter gene promoter polymorphism (5-HTTLPR). The specific mechanisms for the inheritance of risky traffic behaviour from parents to children are not clear, and the genetic aspect has not been studied before. We used data of Estonian Children Personality Behaviour and Health Study subjects (n = 596, mean age = 25.2 ± 0.6) and their parents (mothers, n = 460, mean age = 52.1 ± 5.8; fathers, n = 339, mean age = 54.1 ± 6.5). Family relationships scale, traffic risk questionnaires and Adaptive and Maladaptive Impulsivity Scale were filled out. The increased risk-taking behaviour of parents and worse quality of family relationship were significant predictors of higher traffic risk among subjects. Family support and impulsivity of fathers significantly predicted the subjects' traffic risk score in interaction with 5-HTTLPR genotype: l'/l' homozygous subjects with adaptively impulsive fathers had higher traffic risk, whereas for s'-allele carrying subjects family support was more significant. Parental role modelling and family relationships are significant predictors of future traffic behaviour of the child. Whether the behavioural example of the father or the influence of family relationships is more important in predicting future risky traffic behaviour, depends on the 5-HTTLPR genotype of the child.
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Affiliation(s)
- Tõnis Tokko
- Division of Neuropsychopharmacology, Institute of Chemistry, University of Tartu, Ravila 14A Chemicum, Tartu, 50411, Estonia
| | - Diva Eensoo
- Department of Chronic Diseases, Research Centre, National Institute for Health Development, Tallinn, Estonia
| | - Jaanus Harro
- Division of Neuropsychopharmacology, Institute of Chemistry, University of Tartu, Ravila 14A Chemicum, Tartu, 50411, Estonia.
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Annunzi E, Cannito L, Bellia F, Mercante F, Vismara M, Benatti B, Di Domenico A, Palumbo R, Adriani W, Dell'Osso B, D'Addario C. Mild internet use is associated with epigenetic alterations of key neurotransmission genes in salivary DNA of young university students. Sci Rep 2023; 13:22192. [PMID: 38092954 PMCID: PMC10719329 DOI: 10.1038/s41598-023-49492-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Accepted: 12/08/2023] [Indexed: 12/17/2023] Open
Abstract
The potentially problematic use of the Internet is a growing concern worldwide, which causes and consequences are not completely understood yet. The neurobiology of Internet addiction (IA) has attracted much attention in scientific research, which is now focusing on identifying measurable biological markers. Aim of this study was to investigate epigenetic and genetic regulation of oxytocin receptor (OXTR), dopamine transporter (DAT1) and serotonin transporter (SERT) genes using DNA obtained from saliva samples of young university students: the Internet Addiction Test (IAT) was administered to evaluate the potential existence and intensity of IA. Significant changes in DNA methylation levels at OXTR, DAT1 and SERT genes were observed in the 30 < IAT < 49 group (mild-risk internet users) compared to the IAT < 29 subjects (complete control of internet use) and IAT > 50 subjects (considered as moderately addicted). Moreover, epigenetic markers were significantly correlated, either directly (for OXTR and DAT1) or inversely (OXTR and DAT1 versus SERT), to the psychometric properties. Our data confirmed the association of OXTR, DAT1 and SERT genes in processes related to behavioural addictions and might be of relevance to suggest possible biological predictors of altered behaviours and the eventual vulnerability to develop an IA. Different other genetic pathways have been suggested to play a role in IA and research is ongoing to better define them, in order to help in the early diagnosis as well as in the development of new potential treatments.
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Affiliation(s)
- Eugenia Annunzi
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100, Chieti, Italy
| | - Loreta Cannito
- Department of Humanities, University of Foggia, Foggia, Italy
- Center for Advanced Studies and Technology, University "G. d'Annunzio" of Chieti-Pescara, 66100, Chieti, Italy
| | - Fabio Bellia
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
- Department of Biological Sciences, Fordham University, Bronx, NY, USA
| | - Francesca Mercante
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy
| | - Matteo Vismara
- Department of Psychiatry, Department of Biomedical and Clinical Sciences "Luigi Sacco", University of Milan, ASST Fatebenefratelli-Sacco, 20019, Milan, Italy
| | - Beatrice Benatti
- Department of Psychiatry, Department of Biomedical and Clinical Sciences "Luigi Sacco", University of Milan, ASST Fatebenefratelli-Sacco, 20019, Milan, Italy
- "Aldo Ravelli" Center for Nanotechnology and Neurostimulation, University of Milan, Milan, Italy
| | - Alberto Di Domenico
- Department of Psychological, Health and Territorial Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100, Chieti, Italy
| | - Riccardo Palumbo
- Department of Neuroscience, Imaging and Clinical Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100, Chieti, Italy
- Center for Advanced Studies and Technology, University "G. d'Annunzio" of Chieti-Pescara, 66100, Chieti, Italy
| | - Walter Adriani
- Center for Behavioural Sciences and Mental Health, Istituto Superiore di Sanità, Viale Regina Elena, 299, 00161, Rome, Italy
| | - Bernardo Dell'Osso
- Department of Psychiatry, Department of Biomedical and Clinical Sciences "Luigi Sacco", University of Milan, ASST Fatebenefratelli-Sacco, 20019, Milan, Italy
- "Aldo Ravelli" Center for Nanotechnology and Neurostimulation, University of Milan, Milan, Italy
| | - Claudio D'Addario
- Department of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, 64100, Teramo, Italy.
- Department of Clinical Neuroscience, Karolinska Institute, 10316, Stockholm, Sweden.
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Julien-Sweerts S, Romo L, Blot E, Ordonneau P, Ingrand P, Gicquel L. CBT program to reduce recidivism risk for road crashes among adolescents and young adults: Results of a randomized controlled study and prospects. Heliyon 2023; 9:e20074. [PMID: 37810130 PMCID: PMC10559812 DOI: 10.1016/j.heliyon.2023.e20074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 08/31/2023] [Accepted: 09/11/2023] [Indexed: 10/10/2023] Open
Abstract
Road crashes are the first cause of mortality for young adults aged 18-25 years and the human factor contributes to 90-95% of events. The present study was carried out to determine the efficacity of the ECARR2 recurrence prevention program among adolescents and young adults at high risk of having a new traffic crash in the following months. A total of 288 participants having had a traffic crash that required going to the emergency room, at high risk of accident recurrence (ECARR≥5) were randomly allocated to either the intervention group (n = 144) or the control group (n = 144). Results revealed that the risk of recurrence was highest during the first 6 months (66% of recurrences). In per-protocol analysis population, at 6 months after inclusion, the accident recurrence rate was 14.2% ± 3.3% in the intervention group, and 23.5% ± 4.0% in the control group. The intervention had an effect per se, independently of the other predictors (p = 0.020). This effect was mediated by the three interaction variables: BDI, Impulsive Behavior Scale lack of perseverance, and Orientation to Happiness engagement. It was therefore through these dimensions that the intervention had an effect. In conclusion, the ECARR score predicts the risk of recurrence, risk which is the highest during the first 6 months. Finally, results confirm the predictive validity of the ECARR scale. The ECARR score had an effect on the risk of recurrence regardless of group (p = 0.045) and was predictive of recurrence (p = 0.045).A brief psychological intervention such as ECARR2 program, offered to young people ar hight risk of having a new crash, just after the crash, seems to halve the risk of recurrence at 6 months. Future research should improve the brief psychological intervention and its access via a mobile application or few hours in high school or in a driving school given.
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Affiliation(s)
| | - Lucia Romo
- EA 4430 Clipsyd, Paris Nanterre University, Nanterre, France
- Hôpital Universitaire Raymond Poincaré, Garches, France. CESP, U1018 INSERM UPS
| | - Emilie Blot
- Child and Adolescent Psychiatry Department, Laborit Hospital, Poitiers, France
| | - Pauline Ordonneau
- Child and Adolescent Psychiatry Department, Laborit Hospital, Poitiers, France
| | - Pierre Ingrand
- INSERM CIC 1402, University Hospital of Poitiers, University of Poitiers, Poitiers, France
| | - Ludovic Gicquel
- Child and Adolescent Psychiatry Department, Laborit Hospital, Poitiers, France
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Kessi M, Duan H, Xiong J, Chen B, He F, Yang L, Ma Y, Bamgbade OA, Peng J, Yin F. Attention-deficit/hyperactive disorder updates. Front Mol Neurosci 2022; 15:925049. [PMID: 36211978 PMCID: PMC9532551 DOI: 10.3389/fnmol.2022.925049] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 08/26/2022] [Indexed: 11/15/2022] Open
Abstract
Background Attention-deficit/hyperactive disorder (ADHD) is a neurodevelopmental disorder that commonly occurs in children with a prevalence ranging from 3.4 to 7.2%. It profoundly affects academic achievement, well-being, and social interactions. As a result, this disorder is of high cost to both individuals and society. Despite the availability of knowledge regarding the mechanisms of ADHD, the pathogenesis is not clear, hence, the existence of many challenges especially in making correct early diagnosis and provision of accurate management. Objectives We aimed to review the pathogenic pathways of ADHD in children. The major focus was to provide an update on the reported etiologies in humans, animal models, modulators, therapies, mechanisms, epigenetic changes, and the interaction between genetic and environmental factors. Methods References for this review were identified through a systematic search in PubMed by using special keywords for all years until January 2022. Results Several genes have been reported to associate with ADHD: DRD1, DRD2, DRD4, DAT1, TPH2, HTR1A, HTR1B, SLC6A4, HTR2A, DBH, NET1, ADRA2A, ADRA2C, CHRNA4, CHRNA7, GAD1, GRM1, GRM5, GRM7, GRM8, TARBP1, ADGRL3, FGF1, MAOA, BDNF, SNAP25, STX1A, ATXN7, and SORCS2. Some of these genes have evidence both from human beings and animal models, while others have evidence in either humans or animal models only. Notably, most of these animal models are knockout and do not generate the genetic alteration of the patients. Besides, some of the gene polymorphisms reported differ according to the ethnic groups. The majority of the available animal models are related to the dopaminergic pathway. Epigenetic changes including SUMOylation, methylation, and acetylation have been reported in genes related to the dopaminergic pathway. Conclusion The dopaminergic pathway remains to be crucial in the pathogenesis of ADHD. It can be affected by environmental factors and other pathways. Nevertheless, it is still unclear how environmental factors relate to all neurotransmitter pathways; thus, more studies are needed. Although several genes have been related to ADHD, there are few animal model studies on the majority of the genes, and they do not generate the genetic alteration of the patients. More animal models and epigenetic studies are required.
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Affiliation(s)
- Miriam Kessi
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
| | - Haolin Duan
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
| | - Juan Xiong
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
| | - Baiyu Chen
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
| | - Fang He
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
| | - Lifen Yang
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
| | - Yanli Ma
- Department of Neurology, Children’s Hospital Affiliated to Zhengzhou University, Henan Children’s Hospital, Zhengzhou Children’s Hospital, Zhengzhou, China
| | - Olumuyiwa A. Bamgbade
- Department of Anesthesiology and Pharmacology, University of British Columbia, Vancouver, BC, Canada
| | - Jing Peng
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
| | - Fei Yin
- Department of Pediatrics, Xiangya Hospital, Central South University, Changsha, China
- Hunan Intellectual and Developmental Disabilities Research Center, Changsha, China
- *Correspondence: Fei Yin,
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Kanarik M, Grimm O, Mota NR, Reif A, Harro J. ADHD co-morbidities: A review of implication of gene × environment effects with dopamine-related genes. Neurosci Biobehav Rev 2022; 139:104757. [PMID: 35777579 DOI: 10.1016/j.neubiorev.2022.104757] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 06/25/2022] [Accepted: 06/26/2022] [Indexed: 02/07/2023]
Abstract
ADHD is a major burden in adulthood, where co-morbid conditions such as depression, substance use disorder and obesity often dominate the clinical picture. ADHD has substantial shared heritability with other mental disorders, contributing to comorbidity. However, environmental risk factors exist but their interaction with genetic makeup, especially in relation to comorbid disorders, remains elusive. This review for the first time summarizes present knowledge on gene x environment (GxE) interactions regarding the dopamine system. Hitherto, mainly candidate (GxE) studies were performed, focusing on the genes DRD4, DAT1 and MAOA. Some evidence suggest that the variable number tandem repeats in DRD4 and MAOA may mediate GxE interactions in ADHD generally, and comorbid conditions specifically. Nevertheless, even for these genes, common variants are bound to suggest risk only in the context of gender and specific environments. For other polymorphisms, evidence is contradictory and less convincing. Particularly lacking are longitudinal studies testing the interaction of well-defined environmental with polygenic risk scores reflecting the dopamine system in its entirety.
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Affiliation(s)
- Margus Kanarik
- Chair of Neuropsychopharmacology, Institute of Chemistry, University of Tartu, Ravila 14A Chemicum, 50411 Tartu, Estonia
| | - Oliver Grimm
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
| | - Nina Roth Mota
- Department of Human Genetics, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands; Department of Psychiatry, Donders Institute for Brain, Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Andreas Reif
- Department of Psychiatry, Psychosomatic Medicine and Psychotherapy, University Hospital, Goethe University, Frankfurt, Germany
| | - Jaanus Harro
- Chair of Neuropsychopharmacology, Institute of Chemistry, University of Tartu, Ravila 14A Chemicum, 50411 Tartu, Estonia; Psychiatry Clinic, North Estonia Medical Centre, Paldiski Road 52, 10614 Tallinn, Estonia.
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