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Zhang M, Tang J, Li W, Xue K, Wang Z, Chen Y, Xu Q, Zhu D, Cai M, Ma J, Yao J, Zhang Y, Wang H, Liu F, Guo L. Schizophrenia mediating the effect of smoking phenotypes on antisocial behavior: A Mendelian randomization analysis. CNS Neurosci Ther 2024; 30:e14430. [PMID: 37650156 PMCID: PMC10915990 DOI: 10.1111/cns.14430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 08/02/2023] [Accepted: 08/15/2023] [Indexed: 09/01/2023] Open
Abstract
AIMS Previous studies have indicated that smoking is linked to an increased risk of developing schizophrenia, and that individuals with schizophrenia are more prone to engaging in antisocial behavior. However, the causal effects of smoking behaviors on antisocial behavior and the potential mediating role of schizophrenia remains largely unclear. METHODS In the present study, using the summary data from genome wide association studies of smoking phenotypes (N = 323,386-805,431), schizophrenia (Ncases = 53,386, Ncontrols = 77,258), and antisocial behavior (N = 85,359), we assessed bidirectional causality between smoking phenotypes and schizophrenia by the Mendelian randomization (MR) approach. Using a two-step MR approach, we further examined whether causal effects of smoking phenotypes/schizophrenia on antisocial behavior were mediated by schizophrenia/smoking phenotypes. RESULTS The results showed that smoking initiation (SmkInit) and age of smoking initiation (AgeSmk) causally increase the risk of schizophrenia (SmkInit: OR = 2.06, 95% CI = 1.77-2.39, p = 4.36 × 10-21 ; AgeSmk: OR = 0.32, 95% CI = 0.16-0.62, p = 8.11 × 10-4 , Bonferroni corrected). However, there was no causal effect that liability to schizophrenia leads to smoking phenotypes. MR evidence also revealed causal influences of SmkInit and the amount smoked (CigDay) on antisocial behavior (SmkInit: OR = 1.28, 95% CI = 1.17-1.41, p = 2.53 × 10-7 ; CigDay: OR = 1.16, 95% CI = 1.06-1.27, p = 1.60 × 10-3 , Bonferroni corrected). Furthermore, the mediation analysis indicated that the relationship between SmkInit and antisocial behavior was partly mediated by schizophrenia (mediated proportion = 6.92%, 95% CI = 0.004-0.03, p = 9.66 × 10-3 ). CONCLUSIONS These results provide compelling evidence for taking smoking interventions as a prevention strategy for schizophrenia and its related antisocial behavior.
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Affiliation(s)
- Minghui Zhang
- Department of UltrasoundTianjin Medical University General Hospital Airport HospitalTianjinChina
| | - Jie Tang
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Wei Li
- Department of RadiologyTianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin, Tianjin's Clinical Research Center for CancerTianjinChina
| | - Kaizhong Xue
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Zirui Wang
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Yayuan Chen
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Qiang Xu
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Dan Zhu
- Department of RadiologyTianjin Medical University General Hospital Airport HospitalTianjinChina
| | - Mengjing Cai
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Juanwei Ma
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Jia Yao
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Yijing Zhang
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - He Wang
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Feng Liu
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
| | - Lining Guo
- Department of Radiology and Tianjin Key Laboratory of Functional ImagingTianjin Medical University General HospitalTianjinChina
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2
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Bhatt KV, Weissman CR. The effect of psilocybin on empathy and prosocial behavior: a proposed mechanism for enduring antidepressant effects. NPJ MENTAL HEALTH RESEARCH 2024; 3:7. [PMID: 38609500 PMCID: PMC10955966 DOI: 10.1038/s44184-023-00053-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Accepted: 12/20/2023] [Indexed: 04/14/2024]
Abstract
Psilocybin is a serotonergic psychedelic shown to have enduring antidepressant effects. Currently, the mechanism for its enduring effects is not well understood. Empathy and prosocial behavior may be important for understanding the therapeutic benefit of psilocybin. In this article we review the effect of psilocybin on empathy and prosocial behavior. Moreover, we propose that psilocybin may induce a positive feedback loop involving empathy and prosocial behavior which helps explain the observed, enduring antidepressant effects.
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Affiliation(s)
- Kush V Bhatt
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA
| | - Cory R Weissman
- Department of Psychiatry, University of California, San Diego, La Jolla, CA, USA.
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3
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Hammerton G, Lewis G, Heron J, Fernandes G, Hickman M, Lewis G. The association of alcohol dependence and consumption during adolescence with depression in young adulthood, in England: a prospective cohort study. Lancet Psychiatry 2023; 10:490-498. [PMID: 37271164 PMCID: PMC10659986 DOI: 10.1016/s2215-0366(23)00138-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/29/2023] [Accepted: 04/03/2023] [Indexed: 06/06/2023]
Abstract
BACKGROUND The role of alcohol use in the development of depression is unclear. We aimed to investigate whether alcohol dependence, but not high frequency or quantity of consumption, during adolescence increased the risk of depression in young adulthood. METHODS In this prospective cohort study, we included adolescents who were born to women recruited to the Avon Longitudinal Study of Parents and Children in Avon, UK, with delivery dates between April 1, 1991, and Dec 31, 1992. Alcohol dependence and consumption were measured at about age 16 years, 18 years, 19 years, 21 years, and 23 years using the self-reported Alcohol Use Disorders Identification Test, and at about age 18 years, 21 years, and 23 years using items corresponding to DSM-IV symptoms. The primary outcome was depression at age 24 years, assessed using the Clinical Interview Schedule Revised. Analyses were probit regressions between growth factors for alcohol dependence and consumption and depression, before and after adjustments for confounders: sex, housing tenure, maternal education, maternal depressive symptoms, parents' alcohol use, conduct problems at age 4 years, being bullied from age 12-16 years, and frequency of smoking cigarettes or cannabis. Adolescents were included in analyses if they had data from at least one timepoint for alcohol use and confounders. FINDINGS We included 3902 adolescents (2264 [58·0%] female; 1638 [42·0%] male) in our analysis, and 3727 (96·7%) of 3853 participants with data on ethnicity were White. After adjustments, we found a positive association between alcohol dependence at 18 years of age (latent intercept) and depression at 24 years of age (probit coefficient 0·13 [95% CI 0·02 to 0·25]; p=0·019), but no association between rate of change (linear slope) and depression (0·10 [-0·82 to 1·01]; p=0·84). There was no evidence of an association between alcohol consumption and depression (latent intercept probit coefficient -0·01 [-0·06 to 0·03]; p=0·60; linear slope 0·01 [-0·40 to 0·42]; p=0·96) after adjustments. INTERPRETATION Psychosocial or behavioural interventions that reduce the risk of alcohol dependence during adolescence could contribute to preventing depression in young adulthood. FUNDING UK Medical Research Council and Alcohol Research UK (grant number MR/L022206/1).
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Affiliation(s)
- Gemma Hammerton
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK; Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - Gemma Lewis
- Division of Psychiatry, Faculty of Brain Sciences, University College London, London, UK.
| | - Jon Heron
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK; Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - Gwen Fernandes
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK; Critical Thinking Unit, Public Health Directorate, NHS England, UK; Injury, Recovery and Inflammation Sciences Unit, School of Medicine, University of Nottingham, Nottingham, UK
| | - Matthew Hickman
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Glyn Lewis
- Division of Psychiatry, Faculty of Brain Sciences, University College London, London, UK
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The great decline in adolescent risk behaviours: Unitary trend, separate trends, or cascade? Soc Sci Med 2023; 317:115616. [PMID: 36563586 DOI: 10.1016/j.socscimed.2022.115616] [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: 06/23/2022] [Revised: 12/08/2022] [Accepted: 12/10/2022] [Indexed: 12/23/2022]
Abstract
In many high-income countries, the proportion of adolescents who smoke, drink, or engage in other risk behaviours has declined markedly over the past 25 years. We illustrate this behavioural shift by collating and presenting previously published data (1990-2019) on smoking, alcohol use, cannabis use, early sexual initiation and juvenile crime in Australia, England, the Netherlands, New Zealand, and the USA, also providing European averages where comparable data are available. Then we explore empirical evidence for and against hypothesised causes of these declines. Specifically, we explore whether the declines across risk behaviours can be considered 1) a 'unitary trend' caused by common underlying drivers; 2) separate trends with behaviour-specific causes; or 3) the result of a 'cascade' effect, with declines in one risk behaviour causing declines in others. We find the unitary trend hypothesis has theoretical and empirical support, and there is international evidence that decreasing unstructured face-to-face time with friends is a common underlying driver. Additionally, evidence suggests that behaviour-specific factors have played a role in the decline of tobacco smoking (e.g. decreasing adolescent approval of smoking, increasing strength of tobacco control policies) and drinking (e.g. more restrictive parental rules and attitudes toward adolescent drinking, decreasing ease of access to alcohol). Finally, declining tobacco and alcohol use may have suppressed adolescent cannabis use (and perhaps other risk behaviours), but evidence for such a cascade is equivocal. We conclude that the causal factors behind the great decline in adolescent risk behaviours are multiple. While broad contextual changes appear to have reduced the opportunities for risk behaviours in general, behaviour-specific factors have also played an important role in smoking and drinking declines, and 'knock-on' effect from these behavioural domains to others are possible. Many hypothesised explanations remain to be tested empirically.
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Lawler S, Stapinski L, Teesson M, Prior K, Basto-Pereira M, Newton N, Barrett EL. Unpacking Violent Behavior in Young Adulthood: The Relative Importance of Hazardous Alcohol Use. JOURNAL OF INTERPERSONAL VIOLENCE 2022; 37:NP18935-NP18959. [PMID: 34715761 DOI: 10.1177/08862605211044103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Young adulthood is an important developmental period for investigating the nature of violent behavior. This study examines the unique contribution of alcohol use to violence perpetration among young adults in the Australian community, after accounting for the influence of sociodemographic, early life, trait, and well-being influences. Cross-sectional, self-report data was collected from 507 young adults aged 18-20 years in the Australian general community via an online survey. Sequential logistic regressions examined the relative and independent contribution of adverse childhood experiences (ACEs), impulsivity, psychological distress, and hazardous alcohol use to past-year violent behavior. Results show one in eight young adults aged 18-20 (13%) reported at least one act of violent behavior in the past year, primarily assault perpetrated against another person. Sequential logistic regression identified that after controlling for other risk factors, the number of ACEs reported and hazardous alcohol use were independently and positively associated with increased odds of reporting violent behavior in young adulthood. These findings demonstrate that ACEs and hazardous alcohol use are important, independent correlates of violent behavior in young adults. While preventing early adversity is key for reducing violence in the community, this evidence suggests that it is also important to target proximal causes such as hazardous alcohol use. Increasing early and widespread access to evidence-based, trauma-informed violence-prevention programs targeting risk factors across multiple settings is critical for reducing harm and supporting young people into healthy adulthood.
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Gottfredson NC, McNaughton-Reyes HL, Wu J. Predictive Associations Between Adolescent Profiles of Violent and Nonviolent Deviant Behavior With Convictions in Adulthood. JOURNAL OF INTERPERSONAL VIOLENCE 2022; 37:NP12207-NP12237. [PMID: 33682492 DOI: 10.1177/0886260521997453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This study examines how multivariate trajectory patterns of overt and relational peer and dating violence perpetration, alcohol use, and nonviolent deviant behavior during high school predict convictions in adulthood. Adolescent data are from an accelerated cohort design study that spanned four waves in 2003-2005. In 2019, conviction records were obtained for a random subsample of 1,579 individuals from the original study. We identified latent classes that were jointly characterized by distinct behavioral trajectories and adult conviction status, and described the demographic and psychosocial profiles of each class. The best-fitting model comprised four trajectory classes: Low Deviance (44%), Moderate Stable Deviance (40%), Increasing Deviance (8%), and Dating Violence Perpetrators (8%). Adolescents whose deviance increased during adolescence had substantially higher risk of convictions, including violent convictions, than all other groups. Classes were differentiated by gender, household structure, parental education, school bonding, grades, emotional dysregulation, sensation-seeking, family conflict, and prosocial values. The Increasing Deviance class was predominantly male, had an elevated probability of coming from a single-parent household and of having parents with low education, but values on psychosocial indicators were not extreme. Dating Violence Perpetrators were also more likely to come from a single-parent household, but their parents tended to have more education. This group was the most extreme on several psychosocial indicators that indicate low school and family bonds, and poor emotional regulation. The implications of these patterns in relation to interactional and strain theories, theories of cognitive maturation, and theories of social bonds and social control are discussed.
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Affiliation(s)
| | | | - Juliet Wu
- University of North Carolina at Chapel Hill, NC, USA
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Antisocial Personality Problems in Emerging Adulthood: The Role of Family Functioning, Impulsivity, and Empathy. Brain Sci 2021; 11:brainsci11060687. [PMID: 34071028 PMCID: PMC8224545 DOI: 10.3390/brainsci11060687] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 05/15/2021] [Accepted: 05/21/2021] [Indexed: 12/30/2022] Open
Abstract
International research has evidenced the key role played by adults’ and adolescents’ family functioning, impulsivity, and empathy in antisocial personality problems. To date, no study has assessed the complex interaction between these variables during emerging adulthood. This study aimed to explore the possible interplay between antisocial personality problems, the quality of family functioning, impulsivity, and empathetic problems in a community sample of 350 emerging adults. Descriptive, correlational, hierarchical regression, and mediation analyses were performed, controlling relevant socio-demographic variables. Results showed a predictive effect of parental behavioral control, motor impulsivity, and empathetic concern in antisocial personality problems. Moreover, motor impulsivity and empathetic concern partially mediated the relationship between parental behavioral control and emerging adults’ antisocial personality problems. This study supports the recent evidence on the complex relationship between individual and relational protective and risk factors involved in antisocial personality problems during emerging adulthood, with important implications for their intervention treatments.
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8
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Evans I, Heron J, Murray J, Hickman M, Hammerton G. The Influence of Alcohol Consumption on Fighting, Shoplifting and Vandalism in Young Adults. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:3509. [PMID: 33800640 PMCID: PMC8036294 DOI: 10.3390/ijerph18073509] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 03/23/2021] [Accepted: 03/25/2021] [Indexed: 11/19/2022]
Abstract
Experimental studies support the conventional belief that people behave more aggressively whilst under the influence of alcohol. To examine how these experimental findings manifest in real life situations, this study uses a method for estimating evidence for causality with observational data-'situational decomposition' to examine the association between alcohol consumption and crime in young adults from the Avon Longitudinal Study of Parents and Children. Self-report questionnaires were completed at age 24 years to assess typical alcohol consumption and frequency, participation in fighting, shoplifting and vandalism in the previous year, and whether these crimes were committed under the influence of alcohol. Situational decomposition compares the strength of two associations, (1) the total association between alcohol consumption and crime (sober or intoxicated) versus (2) the association between alcohol consumption and crime committed while sober. There was an association between typical alcohol consumption and total crime for fighting [OR (95% CI): 1.47 (1.29, 1.67)], shoplifting [OR (95% CI): 1.25 (1.12, 1.40)], and vandalism [OR (95% CI): 1.33 (1.12, 1.57)]. The associations for both fighting and shoplifting had a small causal component (with the association for sober crime slightly smaller than the association for total crime). However, the association for vandalism had a larger causal component.
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Affiliation(s)
- Ieuan Evans
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 2BN, UK; (I.E.); (J.H.); (M.H.)
| | - Jon Heron
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 2BN, UK; (I.E.); (J.H.); (M.H.)
| | - Joseph Murray
- Postgraduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Rio Grande do Sul 96020-220, Brazil;
- Human Development and Violence Research Centre, Federal University of Pelotas, Pelotas, Rio Grande do Sul 96020-220, Brazil
| | - Matthew Hickman
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 2BN, UK; (I.E.); (J.H.); (M.H.)
| | - Gemma Hammerton
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol BS8 2BN, UK; (I.E.); (J.H.); (M.H.)
- MRC Integrated Epidemiology Unit at the University of Bristol, Bristol BS8 2BN, UK
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9
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Ruchkin V, Koposov R, Oreland L, af.Klinteberg B, Grigorenko EL. Dopamine-related receptors, substance dependence, behavioral problems and personality among juvenile delinquents. PERSONALITY AND INDIVIDUAL DIFFERENCES 2021. [DOI: 10.1016/j.paid.2020.109849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Lawler SM, Stapinski LA, Barrett EL, Newton NC, Sunderland M, Slade T, Teesson M. Is Adolescent Alcohol Use Linked to Spikes in Aggressive Behaviour? A Growth Curve Analysis. PREVENTION SCIENCE : THE OFFICIAL JOURNAL OF THE SOCIETY FOR PREVENTION RESEARCH 2020; 22:534-544. [PMID: 33244726 DOI: 10.1007/s11121-020-01188-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/31/2020] [Indexed: 11/29/2022]
Abstract
A relationship between alcohol use and aggression is well-established; however, less is known about how these factors develop and influence each other over time. This study examined the immediate and delayed effects of alcohol use on aggression during adolescence. Alcohol use and aggression were measured in a subset of students (n = 1560) from the Climate and Preventure study, Australia. Participants completed self-report surveys across five assessments (ages 13, 13.5, 14, 15 and 16). In a two-stage analysis, parallel and auto-regressive latent growth curve models were applied to investigate person-specific trajectories (or between-person effects) of alcohol use and aggression and identify the time-varying impact (or within-person effects) of alcohol use on aggression. Average alcohol consumption increased between ages 13 and 16, while average aggression levels decreased over time. Overall growth in alcohol use was positively related to heightened aggression at age 16, and vice versa. Spikes (time-varying increases) in alcohol use were linked to corresponding increases in aggression at each time point. There was evidence of a prospective effect where aggression was associated with hazardous alcohol use a year later, but no evidence that alcohol use was associated with subsequent aggression. Change in hazardous alcohol consumption and aggression beginning early in adolescence are interrelated and are predictive of one another at age 16. The time-varying effects of alcohol on aggression appear to be immediate rather than delayed; however, there is evidence for a prospective relationship where aggression influences later alcohol use. Implications for the timing and nature of novel harm reduction intervention approaches for young people are discussed.
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Affiliation(s)
- Siobhan M Lawler
- Matilda Centre for Research in Mental Health and Substance Use, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia.
| | - Lexine A Stapinski
- Matilda Centre for Research in Mental Health and Substance Use, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - Emma L Barrett
- Matilda Centre for Research in Mental Health and Substance Use, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - Nicola C Newton
- Matilda Centre for Research in Mental Health and Substance Use, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - Matthew Sunderland
- Matilda Centre for Research in Mental Health and Substance Use, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - Tim Slade
- Matilda Centre for Research in Mental Health and Substance Use, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
| | - Maree Teesson
- Matilda Centre for Research in Mental Health and Substance Use, Sydney Medical School, University of Sydney, Sydney, NSW, 2006, Australia
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11
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Hibberd R, Golovina E, Farrow S, O'Sullivan JM. Genetic variants associated with alcohol dependence co-ordinate regulation of ADH genes in gastrointestinal and adipose tissues. Sci Rep 2020; 10:9897. [PMID: 32555468 PMCID: PMC7303195 DOI: 10.1038/s41598-020-66048-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2020] [Accepted: 05/13/2020] [Indexed: 11/29/2022] Open
Abstract
GWAS studies have identified genetic variants associated with Alcohol Dependence (AD), but how they link to genes, their regulation and disease traits, remains largely unexplored. Here we integrated information on the 3D genome organization with expression quantitative loci (eQTLs) analysis, using CoDeS3D, to identify the functional impacts of single nucleotide polymorphisms associated with AD (p < 1 × 10-6). We report that 42% of the 285 significant tissue-specific regulatory interactions we identify were associated with four genes encoding Alcohol Dehydrogenase - ADH1A, ADH1B, ADH1C and ADH4. Identified eQTLs produced a co-ordinated regulatory action between ADH genes, especially between ADH1A and ADH1C within the subcutaneous adipose and gastrointestinal tissues. Five eQTLs were associated with regulatory motif alterations and tissue-specific histone marks consistent with these variants falling in enhancer and promoter regions. By contrast, few regulatory connections were identified in the stomach and liver. This suggests that changes in gene regulation associated with AD are linked to changes in tissues other than the primary sites of alcohol absorption and metabolism. Future work to functionally characterise the putative regulatory regions we have identified and their links to metabolic and regulatory changes in genes will improve our mechanistic understanding of AD disease development and progression.
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Affiliation(s)
- Rebecca Hibberd
- Liggins Institute, The University of Auckland, Auckland, New Zealand
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, United Kingdom
- Natural Sciences, Faculty of Environmental and Life Sciences, University of Southampton, Southampton, United Kingdom
| | - Evgeniia Golovina
- Liggins Institute, The University of Auckland, Auckland, New Zealand
- A Better Start National Science Challenge, Auckland, New Zealand
| | - Sophie Farrow
- Liggins Institute, The University of Auckland, Auckland, New Zealand
| | - Justin M O'Sullivan
- Liggins Institute, The University of Auckland, Auckland, New Zealand.
- MRC Lifecourse Epidemiology Unit, University of Southampton, Southampton, United Kingdom.
- A Better Start National Science Challenge, Auckland, New Zealand.
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12
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Guimarães FS, Flores TR, Murray J, Bertoldi AD. [Sociodemographic and lifestyle factors related to violent behaviors among university students]. CIENCIA & SAUDE COLETIVA 2020; 26:3311-3322. [PMID: 34378718 DOI: 10.1590/1413-81232021268.09212020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 06/08/2020] [Indexed: 11/22/2022] Open
Abstract
The scope of this study was to characterize the prevalence of violent behaviors such as aggression, robbery and carrying a weapon, according to sociodemographic and lifestyle variables such as physical inactivity, use of illicit drugs, harmful alcohol consumption, smoking habits and unhealthy food consumption among university students. A cross-sectional, census-type study was carried out with students aged 18 years or older, in face-to-face classrooms at a public higher education institution in southern Brazil. In the data analysis Poisson regression was used to calculate Prevalence Ratios (PR) with adjustment based on a hierarchical conceptual model. The prevalence of one or more violent behaviors was 15.1%. After adjustment, the prevalence was significantly greater for males [PR=1.40 (95%CI 1.10; 1.77), p=0.01]. Violence was associated with higher levels of physical activity, use of illicit drugs and harmful consumption of alcohol. The findings show the sociodemographic profile of students who perpetrate violent behaviors, and can be useful for planning health promotion interventions aimed at preventing modifiable risk factors associated with violent behavior in this population.
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Affiliation(s)
- Fernando Silva Guimarães
- Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, 3º Piso, Centro. 96020-220 Pelotas RS Brasil.
| | - Thaynã Ramos Flores
- Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, 3º Piso, Centro. 96020-220 Pelotas RS Brasil.
| | - Joseph Murray
- Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, 3º Piso, Centro. 96020-220 Pelotas RS Brasil.
| | - Andréa Dâmaso Bertoldi
- Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, 3º Piso, Centro. 96020-220 Pelotas RS Brasil.
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13
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Wright C, Heron J, Campbell R, Hickman M, Kipping RR. Adolescent multiple risk behaviours cluster by number of risks rather than distinct risk profiles in the ALSPAC cohort. BMC Public Health 2020; 20:290. [PMID: 32131789 PMCID: PMC7057689 DOI: 10.1186/s12889-020-8369-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 02/18/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Experimentation with new behaviours during adolescence is normal. However, engagement in two or more risk behaviours, termed multiple risk behaviours is associated with socioeconomic disadvantage and poor health and social outcomes. Evidence of how adolescents cluster based on their risk behaviours is mixed. METHODS Latent Class Analysis was used to study patterns of engagement in 10 self-reported risk behaviours (including substance use, self-harm and sexual health) from the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort at ages 15-16 years. Data was available for 6556 adolescents. Associations between risk profile and sex were explored. RESULTS A 3-class model for both females and males was deemed to have acceptable fit. Whilst we found evidence of a sex difference in the risk behaviours reported within each class, the sex-specific results were very similar in many respects. For instance, the prevalence of membership of the high-risk class was 8.5% for males and 8.7% for females and both groups had an average of 5.9 behaviours. However, the classes were both statistically dubious, with class separation (entropy) being poor as well as conceptually problematic, because the resulting classes did not provide distinct profiles and varied only by quantity of risk-behaviours. CONCLUSION Clusters of adolescents were not characterised by distinct risk behaviour profiles, and provide no additional insight for intervention strategies. Given this is a more complicated, software-specific method, we conclude that an equally effective, but more readily replicable approach is to use a count of the number of risk behaviours.
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Affiliation(s)
- Caroline Wright
- Population Health Sciences, Bristol Medical School, Barley House, University of Bristol, Oakfield Grove, Clifton, Bristol, BS8 2BN UK
| | - Jon Heron
- Population Health Sciences, Bristol Medical School, Barley House, University of Bristol, Oakfield Grove, Clifton, Bristol, BS8 2BN UK
| | - Rona Campbell
- Population Health Sciences, Bristol Medical School, Barley House, University of Bristol, Oakfield Grove, Clifton, Bristol, BS8 2BN UK
| | - Matthew Hickman
- Population Health Sciences, Bristol Medical School, Barley House, University of Bristol, Oakfield Grove, Clifton, Bristol, BS8 2BN UK
| | - Ruth R. Kipping
- Population Health Sciences, Bristol Medical School, Barley House, University of Bristol, Oakfield Grove, Clifton, Bristol, BS8 2BN UK
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14
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De Salvia MA, DʼUggento AM, Aquilino G, Tattoli M, Finelli C, Imbrici P, Desaphy JF, Giustino A. Characterization of Student Drinking Behaviors at the Beginning of the First Academic Year at One University in Southern Italy. J Addict Nurs 2019; 30:193-200. [PMID: 31478967 DOI: 10.1097/jan.0000000000000288] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
It is well recognized that both college and noncollege students are at-risk age groups for alcohol consumption. We investigated the alcohol consumption habits of undergraduate students with an emphasis on binge drinking. Participants (N = 809, 61.2% female) were freshmen attending courses at one of the main universities of southern Italy. They were asked to fill out a paper-and-pencil questionnaire that was administered between October 2017 and January 2018. Nearly 90% of the questioned students reported drinking alcohol during the 12 months before the survey. Among them, 31.4% of female students and 41.5% of male students engaged in binge drinking, mainly once a month; binge drinkers preferred highly alcoholic beverages during parties, underestimated the alcoholic content of their drinks, started drinking alcohol at a younger age than nonbinge drinkers, and drank weekly and between meals. Binge drinkers started smoking earlier than their peers, and a great number of them consumed illicit drugs. Moreover, 30.3% of female and 34.8% of male nonbinge drinkers declared that they consumed 6 or more units of alcohol in one occasion, making them unaware binge drinkers. Furthermore, approximately 50% of students recognized that alcohol consumption has effects similar to those induced by illicit drugs but only considered their peers' drinking behavior to be risky.This study highlights that most students involved in this survey expose themselves to a risky lifestyle by heavy drinking and, most alarmingly, that some of them are not even aware of that.
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Affiliation(s)
- Maria Antonietta De Salvia
- Maria A. De Salvia, PhD, Maria Tattoli, MD, PhD, Jean Francois Desaphy, PhD, and Arcangela Giustino, PhD, Department of Biomedical Sciences and Human Oncology, University of Bari "Aldo Moro," Bari, Italy. Angela Maria D'Uggento, PhD, Department of Economics and Finance, University of Bari "Aldo Moro," Bari, Italy. Giovanni Aquilino, PhD, Department of Humanities, University of Foggia, Foggia, Italy. Carmine Finelli, MD, Department of Internal Medicine, Hospital "Cavalier Raffaele Apicella"-ASL Naples, Naples, Italy. Paola Imbrici, PhD, Department of Pharmacy-Drug Sciences, University of Bari "Aldo Moro," Bari, Italy
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15
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Hammerton G, Heron J, Mahedy L, Maughan B, Hickman M, Murray J. Low resting heart rate, sensation seeking and the course of antisocial behaviour across adolescence and young adulthood. Psychol Med 2018; 48:2194-2201. [PMID: 29310737 PMCID: PMC6533639 DOI: 10.1017/s0033291717003683] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 11/10/2017] [Accepted: 11/21/2017] [Indexed: 11/06/2022]
Abstract
BACKGROUND Low resting heart rate (RHR) is a consistent biological correlate of antisocial behaviour (ASB), however potential mechanisms have been largely unexplored. We hypothesise that lower RHR will be associated with higher ASB levels in mid-adolescence and persistence into adulthood, and that these associations will be explained, in part, by sensation seeking and callous-unemotional traits. METHODS ASB was assessed repeatedly with young people from ages 15 to 21 years in a population-based birth cohort (ALSPAC). A longitudinal trajectory was derived and showed ASB decreasing across adolescence before stabilising in early adulthood. RHR was recorded at age 12 years, and mediators were assessed at age 14 years. RESULTS After adjusting for socio-demographic confounders, there was evidence for a total effect of RHR on ASB levels in mid-adolescence [b(95% CI) = -0.08 (-0.14 to -0.02)], reflecting 0.08 more types of antisocial activity in the last year per 10 fewer heart beats per minute. This effect was almost entirely explained through sensation seeking [b(95% CI) = -0.06 (-0.08 to -0.04)]. After additionally adjusting for child and parent-related confounders, all effects weakened; however, there was still evidence of an indirect effect of RHR, via sensation seeking, on ASB levels in mid-adolescence [b(95% CI) = -0.01 (-0.03 to -0.003)]. There was no evidence for a total effect of RHR on ASB levels in early adulthood, and weak evidence of an indirect effect, via sensation seeking [b(95% CI) = -0.01 (-0.01 to -0.00)]. CONCLUSIONS Lower RHR in childhood was associated with higher ASB levels in mid-adolescence, indirectly via sensation seeking.
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Affiliation(s)
- Gemma Hammerton
- Population Health Sciences, University of Bristol, Bristol, UK
| | - Jon Heron
- Population Health Sciences, University of Bristol, Bristol, UK
| | - Liam Mahedy
- Population Health Sciences, University of Bristol, Bristol, UK
| | - Barbara Maughan
- MRC Social, Developmental and Genetic Psychiatry Centre, Institute of Psychiatry, Psychology & Neuroscience, King's College London, London, UK
| | - Matthew Hickman
- Population Health Sciences, University of Bristol, Bristol, UK
| | - Joseph Murray
- Postgraduate Program in Epidemiology, Universidade Federal de Pelotas, Pelotas, Brazil
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