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Ostos-Valverde A, Herrera-Solís A, Ruiz-Contreras AE, Méndez-Díaz M, Prospéro-García OE. Sleep debt-induced anxiety and addiction to substances of abuse: A narrative review. Pharmacol Biochem Behav 2024; 245:173874. [PMID: 39260592 DOI: 10.1016/j.pbb.2024.173874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Revised: 08/14/2024] [Accepted: 09/05/2024] [Indexed: 09/13/2024]
Abstract
Substance Use Disorder (SUD) has been conceptualized as an outcome of a dysregulated reward system. However, individuals with SUD suffer from anxiety with an intensity depending on the abstinence period length. This review discusses the role of anxiety as a major contributor to the initiation and perpetuation of SUD, and its dependence on an up-regulated defense-antireward system. In addition, it is discussed that sleep debt, and its psychosocial consequences, promote anxiety, contributing to SUD generation and maintenance. Healthy sleep patterns can be disrupted by diverse medical conditions and negative psychosocial interactions, resulting in accumulated sleep debt and anxiety. Within this narrative review, we discuss the interplay between the motivation-reward and defense-antireward systems, framing the progression from recreational drug use to addiction. This interplay is nuanced by sleep debt-induced anxiety and its psychosocial consequences as contributory vulnerability factors in the genesis of addiction.
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Affiliation(s)
- Aline Ostos-Valverde
- Grupo de Neurociencias: Laboratorio de Cannabinoides, Departamento de Fisiología, Facultad de Medicina, UNAM, Mexico
| | - Andrea Herrera-Solís
- Grupo de Neurociencias: Laboratorio de Efectos Terapéuticos de los Cannabinoides, Subdirección de Investigación Biomédica, Hospital General Dr. Manuel Gea González, Secretaría de Salud, Mexico
| | - Alejandra E Ruiz-Contreras
- Grupo de Neurociencias: Laboratorio de Neurogenómica Cognitiva, Coordinación de Psicofisiología y Neurociencias, Facultad de Psicología, UNAM, Mexico
| | - Mónica Méndez-Díaz
- Grupo de Neurociencias: Laboratorio de Ontogenia y Adicciones, Departamento de Fisiología, Facultad de Medicina, UNAM, Mexico
| | - Oscar E Prospéro-García
- Grupo de Neurociencias: Laboratorio de Cannabinoides, Departamento de Fisiología, Facultad de Medicina, UNAM, Mexico.
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2
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Pytell JD, Sklar MD, Carrese J, Rastegar DA, Gunn C, Chander G. "I'm a Survivor": Perceptions of Chronic Disease and Survivorship Among Individuals in Long-Term Remission from Opioid Use Disorder. J Gen Intern Med 2022; 37:593-600. [PMID: 34027611 PMCID: PMC8141362 DOI: 10.1007/s11606-021-06925-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 05/07/2021] [Indexed: 11/24/2022]
Abstract
BACKGROUND While opioid use disorder (OUD) is prevalent, little is known about what patients with OUD in sustained remission think about the chronic disease model of OUD and their perspectives of the cause, course, and ongoing treatment needs of their OUD. OBJECTIVE To (1) examine patient perceptions of the chronic disease model of addiction and disease identity and (2) use an explanatory model framework to explore how these perceptions inform ongoing treatment needs and help maintain abstinence. DESIGN Qualitative study of a cross-sectional cohort of patients with OUD in long-term sustained remission currently receiving methadone or buprenorphine. Participants completed a single in-depth, semi-structured individual interview. PARTICIPANTS Twenty adults were recruited from two opioid treatment programs and two office-based opioid treatment programs in Baltimore, MD. Half of the participants were Black, had a median (IQR) age of 46.5 (43-52) years and the median (IQR) time since the last non-prescribed opioid was 12 (8-15) years. APPROACH Hybrid deductive-inductive thematic analysis of the transcribed interviews. KEY RESULTS Some participants described a chronic OUD disease identity where they continue to live with OUD. Participants who maintain an OUD identity describe inherent traits or predetermination of developing OUD. Maintaining a disease identity helps them remain vigilant against returning to drug use. Others described a post-OUD/survivor identity where they no longer felt they had OUD, but the experience remains. Each perspective informed attitudes about continued treatment with methadone or buprenorphine and strategies to remain in remission. CONCLUSIONS The identity that people with OUD in sustained remission maintain was the lens through which they viewed other aspects of their OUD including cause and ongoing treatment needs. An alternative, post-OUD/survivorship model emerged or was accepted by participants who did not identify as currently having OUD. Understanding patient perspectives of OUD identity might improve patient-centered care and improve outcomes.
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Affiliation(s)
- Jarratt D Pytell
- Department of Medicine, Division of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Medicine, Division of Addiction Medicine, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA
| | - Michael D Sklar
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA
| | - Joseph Carrese
- Department of Medicine, Division of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD, USA
| | - Darius A Rastegar
- Department of Medicine, Division of Addiction Medicine, Johns Hopkins Bayview Medical Center, Baltimore, MD, USA
| | - Christine Gunn
- Department of Medicine, Section of General Internal Medicine, Boston University School of Medicine, Boston, MA, USA
| | - Geetanjali Chander
- Department of Medicine, Division of General Internal Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA.,Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
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3
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Schellekens AF, van den Brink W, Kiefer F, Goudriaan AE. Often Overlooked and Ignored, but Do Not Underestimate Its Relevance: ADHD in Addiction − Addiction in ADHD. Eur Addict Res 2020; 26:169-172. [PMID: 32615559 PMCID: PMC7949230 DOI: 10.1159/000509267] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Accepted: 06/09/2020] [Indexed: 11/19/2022]
Affiliation(s)
- Arnt F.A. Schellekens
- Professor of Psychiatry and Addiction, Department of Psychiatry, RadboudUmc, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands,Scientific Director Nijmegen Institute for Scientist-Practitioners in Addiction (NISPA), Nijmegen, The Netherlands,*Arnt F.A. Schellekens, Department of Psychiatry, Radboudumc, Donders Institute for Brain, Cognition and Behaviour, PO Box 9101, NL– 6500 HB Nijmegen (The Netherlands),
| | - Wim van den Brink
- Emeritus Professor of Psychiatry and Addiction, Department of Psychiatry, Amsterdam University Medical Centers, Location Academic Medical Center, Amsterdam, The Netherlands
| | - Falk Kiefer
- Professor of Psychiatry and Psychotherapy, University of Heidelberg, Mannheim, Germany,Director of Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health, Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Anneke E. Goudriaan
- Professor of Working Mechanisms and Treatment of Addiction, Department of Psychiatry, Amsterdam University Medical Centers, Location Academic Medical Center, Amsterdam, The Netherlands,Director Amsterdam Institute for Addiction Research, Amsterdam, The Netherlands
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4
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Vaughn MG, Salas-Wright CP, Jackson DB. The complex genetic and psychosocial influences on polysubstance misuse. Curr Opin Psychol 2019; 27:62-66. [DOI: 10.1016/j.copsyc.2018.08.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 08/07/2018] [Accepted: 08/29/2018] [Indexed: 11/16/2022]
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Yip SW, Potenza MN. Application of Research Domain Criteria to childhood and adolescent impulsive and addictive disorders: Implications for treatment. Clin Psychol Rev 2018; 64:41-56. [PMID: 27876165 PMCID: PMC5423866 DOI: 10.1016/j.cpr.2016.11.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 03/18/2016] [Accepted: 11/07/2016] [Indexed: 12/30/2022]
Abstract
The Research Domain Criteria (RDoC) initiative provides a large-scale, dimensional framework for the integration of research findings across traditional diagnoses, with the long-term aim of improving existing psychiatric treatments. A neurodevelopmental perspective is essential to this endeavor. However, few papers synthesizing research findings across childhood and adolescent disorders exist. Here, we discuss how the RDoC framework may be applied to the study of childhood and adolescent impulsive and addictive disorders in order to improve neurodevelopmental understanding and to enhance treatment development. Given the large scope of RDoC, we focus on a single construct highly relevant to addictive and impulsive disorders - initial responsiveness to reward attainment. Findings from genetic, molecular, neuroimaging and other translational research methodologies are highlighted.
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Affiliation(s)
- Sarah W Yip
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States; The National Center on Addiction and Substance Abuse, Yale University School of Medicine, New Haven, CT, United States
| | - Marc N Potenza
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States; The National Center on Addiction and Substance Abuse, Yale University School of Medicine, New Haven, CT, United States; Child Study Center, Yale University School of Medicine, New Haven, CT, United States; Department of Neurobiology, Yale University School of Medicine, New Haven, CT, United States.
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Onaolapo OJ, Onaolapo AY. Melatonin in drug addiction and addiction management: Exploring an evolving multidimensional relationship. World J Psychiatry 2018; 8:64-74. [PMID: 29988891 PMCID: PMC6033744 DOI: 10.5498/wjp.v8.i2.64] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Revised: 05/06/2018] [Accepted: 05/10/2018] [Indexed: 02/05/2023] Open
Abstract
Melatonin is a pleiotropic signalling molecule that regulates several physiological functions, and synchronises biological rhythms. Recent evidences are beginning to reveal that a dysregulation of endogenous melatonin rhythm or action may play a larger role in the aetiology and behavioural expression of drug addiction, than was previously considered. Also, the findings from a number of animal studies suggest that exogenous melatonin supplementation and therapeutic manipulation of melatonin/melatonin receptor interactions may be beneficial in the management of behavioural manifestations of drug addiction. However, repeated exogenous melatonin administration may cause a disruption of its endogenous rhythm and be associated with potential drawbacks that might limit its usefulness. In this review, we examine the roles of melatonin and its receptors in addictive behaviours; discussing how our understanding of melatonin’s modulatory effects on the brain rewards system and crucial neurotransmitters such as dopamine has evolved over the years. Possible indications(s) for melatonergic agents in addiction management, and how manipulations of the endogenous melatonin system may be of benefit are also discussed. Finally, the potential impediments to application of melatonin in the management of addictive behaviours are considered.
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Affiliation(s)
- Olakunle J Onaolapo
- Behavioural Neuroscience/Neuropharmacology Unit, Department of Pharmacology and Therapeutics, Ladoke Akintola University of Technology, Osogbo 230263, Osun State, Nigeria
| | - Adejoke Y Onaolapo
- Behavioural Neuroscience/Neurobiology Unit, Department of Anatomy, Ladoke Akintola University of Technology, Ogbomosho 210211, Oyo State, Nigeria
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Abstract
Although emerging findings in psychiatric and behavioral genetics create hope for improved prevention, diagnosis, and treatment of disorders, the introduction of such data as evidence in criminal and civil proceedings raises a host of ethical, legal, and social issues. Should behavioral and psychiatric genetic data be admissible in judicial proceedings? If so, what are the various means for obtaining such evidence, and for what purposes should its admission be sought and permitted? How could-and should-such evidence affect judicial outcomes in criminal and civil proceedings? And what are the potential implications of using behavioral and psychiatric genetic evidence for individuals and communities, and for societal values of equality and justice? This article provides an overview of the historical and current developments in behavioral genetics. We then explore the extent to which behavioral genetic evidence has-and should-affect determinations of criminal responsibility and sentencing, as well as the possible ramifications of introducing such evidence in civil courts, with a focus on tort litigation and child custody disputes. We also consider two ways in which behavioral genetic evidence may come to court in the future-through genetic theft or the subpoena of a litigant's biospecimen data that was previously obtained for clinical or research purposes-and the concerns that these possibilities raise. Finally, we highlight the need for caution and for approaches to prevent the misuse of behavioral genetic evidence in courts.
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Pierce RC, Fant B, Swinford-Jackson SE, Heller EA, Berrettini WH, Wimmer ME. Environmental, genetic and epigenetic contributions to cocaine addiction. Neuropsychopharmacology 2018; 43:1471-1480. [PMID: 29453446 PMCID: PMC5983541 DOI: 10.1038/s41386-018-0008-x] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/21/2017] [Accepted: 12/30/2017] [Indexed: 12/13/2022]
Abstract
Decades of research on cocaine has produced volumes of data that have answered many important questions about the nature of this highly addictive drug. Sadly, none of this information has translated into the development of effective therapies for the treatment of cocaine addiction. This review endeavors to assess the current state of cocaine research in an attempt to identify novel pathways for therapeutic development. For example, risk of cocaine addiction is highly heritable but genome-wide analyses comparing cocaine-dependent individuals to controls have not resulted in promising targets for drug development. Is this because the genetics of addiction is too complex or because the existing research methodologies are inadequate? Likewise, animal studies have revealed dozens of enduring changes in gene expression following prolonged exposure to cocaine, none of which have translated into therapeutics either because the resulting compounds were ineffective or produced intolerable side-effects. Recently, attention has focused on epigenetic modifications resulting from repeated cocaine intake, some of which appear to be heritable through changes in the germline. While epigenetic changes represent new vistas for therapeutic development, selective manipulation of epigenetic marks is currently challenging even in animals such that translational potential is a distant prospect. This review will reveal that despite the enormous progress made in understanding the molecular and physiological bases of cocaine addiction, there is much that remains a mystery. Continued advances in genetics and molecular biology hold potential for revealing multiple pathways toward the development of treatments for the continuing scourge of cocaine addiction.
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Affiliation(s)
- R. Christopher Pierce
- 0000 0004 1936 8972grid.25879.31Department of Psychiatry, Center for Neurobiology and Behavior, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Bruno Fant
- 0000 0004 1936 8972grid.25879.31Department of Psychiatry, Center for Neurobiology and Behavior, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Sarah E. Swinford-Jackson
- 0000 0004 1936 8972grid.25879.31Department of Psychiatry, Center for Neurobiology and Behavior, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Elizabeth A. Heller
- 0000 0004 1936 8972grid.25879.31Department of Systems Pharmacology and Translational Therapeutics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Wade H. Berrettini
- 0000 0004 1936 8972grid.25879.31Department of Psychiatry, Center for Neurobiology and Behavior, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104 USA
| | - Mathieu E. Wimmer
- 0000 0001 2248 3398grid.264727.2Department of Psychology, Temple University, Philadelphia, PA 19122 USA
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9
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Victor TA, Khalsa SS, Simmons WK, Feinstein JS, Savitz J, Aupperle RL, Yeh HW, Bodurka J, Paulus MP. Tulsa 1000: a naturalistic study protocol for multilevel assessment and outcome prediction in a large psychiatric sample. BMJ Open 2018; 8:e016620. [PMID: 29371263 PMCID: PMC5786129 DOI: 10.1136/bmjopen-2017-016620] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Revised: 11/07/2017] [Accepted: 11/09/2017] [Indexed: 12/31/2022] Open
Abstract
INTRODUCTION Although neuroscience has made tremendous progress towards understanding the basic neural circuitry underlying important processes such as attention, memory and emotion, little progress has been made in applying these insights to psychiatric populations to make clinically meaningful treatment predictions. The overall aim of the Tulsa 1000 (T-1000) study is to use the NIMH Research Domain Criteria framework in order to establish a robust and reliable dimensional set of variables that quantifies the positive and negative valence, cognition and arousal domains, including interoception, to generate clinically useful treatment predictions. METHODS AND ANALYSIS The T-1000 is a naturalistic study that will recruit, assess and longitudinally follow 1000 participants, including healthy controls and treatment-seeking individuals with mood, anxiety, substance use and eating disorders. Each participant will undergo interview, behavioural, biomarker and neuroimaging assessments over the course of 1 year. The study goal is to determine how disorders of affect, substance use and eating behaviour organise across different levels of analysis (molecules, genes, cells, neural circuits, physiology, behaviour and self-report) to predict symptom severity, treatment outcome and long-term prognosis. The data will be used to generate computational models based on Bayesian statistics. The final end point of this multilevel latent variable analysis will be standardised assessments that can be developed into clinical tools to help clinicians predict outcomes and select the best intervention for each individual, thereby reducing the burden of mental disorders, and taking psychiatry a step closer towards personalised medicine. ETHICS AND DISSEMINATION Ethical approval was obtained from Western Institutional Review Board screening protocol #20101611. The dissemination plan includes informing health professionals of results for clinical practice, submitting results to journals for peer-reviewed publication, presenting results at national and international conferences and making the dataset available to researchers and mental health professionals. TRIAL REGISTRATION NUMBER NCT02450240; Pre-results.
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Affiliation(s)
| | - Sahib S Khalsa
- Laureate Institute for Brain Research, Tulsa, Oklahoma, USA
- Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma, USA
| | - W Kyle Simmons
- Laureate Institute for Brain Research, Tulsa, Oklahoma, USA
- Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma, USA
| | - Justin S Feinstein
- Laureate Institute for Brain Research, Tulsa, Oklahoma, USA
- Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma, USA
| | - Jonathan Savitz
- Laureate Institute for Brain Research, Tulsa, Oklahoma, USA
- Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma, USA
| | - Robin L Aupperle
- Laureate Institute for Brain Research, Tulsa, Oklahoma, USA
- Oxley College of Health Sciences, University of Tulsa, Tulsa, Oklahoma, USA
| | - Hung-Wen Yeh
- Laureate Institute for Brain Research, Tulsa, Oklahoma, USA
| | - Jerzy Bodurka
- Laureate Institute for Brain Research, Tulsa, Oklahoma, USA
- Stephenson School of Biomedical Engineering, The University of Oklahoma, Tulsa, Oklahoma, USA
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Kuperman S, Chan G, Kramer J, Wetherill L, Acion L, Edenberg HJ, Foroud TM, Nurnberger J, Agrawal A, Anokhin A, Brooks A, Hesselbrock V, Hesselbrock M, Schuckit M, Tischfield J, Liu X. A GABRA2 polymorphism improves a model for prediction of drinking initiation. Alcohol 2017; 63:1-8. [PMID: 28847377 PMCID: PMC5657392 DOI: 10.1016/j.alcohol.2017.03.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2016] [Revised: 03/04/2017] [Accepted: 03/06/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND Survival analysis was used to explore the addition of a single nucleotide polymorphism (SNP) and covariates (sex, interview age, and ancestry) on a previously published model's ability to predict onset of drinking. A SNP variant of rs279871, in the chromosome 4 gene encoding gamma-aminobutyric acid receptor (GABRA2), was selected due to its associations with alcoholism in young adults and with behaviors that increased risk for early drinking. METHODS A subsample of 674 adolescents (ages 14-17) participating in the Collaborative Study on the Genetics of Alcoholism (COGA) was examined using a previously derived Cox proportional hazards model containing: 1) number of non-drinking related conduct disorder (CD) symptoms, 2) membership in a high-risk alcohol-dependent (AD) family, 3) most best friends drank (MBFD), 4) Achenbach Youth Self Report (YSR) externalizing score, and 5) YSR social problems score. The above covariates along with the SNP variant of GABRA2, rs279871, were added to this model. Five new prototype models were examined. The most parsimonious model was chosen based on likelihood ratio tests and model fit statistics. RESULTS The final model contained four of the five original predictors (YSR social problems score was no longer significant and hence dropped from subsequent models), the three covariates, and a recessive GABRA2 rs279871 TT genotype (two copies of the high-risk allele containing thymine). The model indicated that adolescents with the high-risk TT genotype were more likely to begin drinking than those without this genotype. CONCLUSIONS The joint effect of the gene (rs279871 TT genotype) and environment (MBFD) on adolescent alcohol initiation is additive, but not interactive, after controlling for behavior problems (CD and YSR externalizing score). This suggests that the impact of the high-risk TT genotype on the onset of drinking is affected by controlling for peer drinking and does not include genotype-by-environment interactions.
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Affiliation(s)
- Samuel Kuperman
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
| | - Grace Chan
- Department of Psychiatry, University of Connecticut Health Center, Farmington, CT, USA
| | - John Kramer
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Leah Wetherill
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Laura Acion
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA, USA
| | - Howard J Edenberg
- Department of Biochemistry & Molecular Biology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Tatiana M Foroud
- Department of Medical and Molecular Genetics, Indiana University School of Medicine, Indianapolis, IN, USA
| | - John Nurnberger
- Department of Psychiatry, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Arpana Agrawal
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Andrey Anokhin
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO, USA
| | - Andrew Brooks
- Department of Genetics, Rutgers University, Piscataway, NJ, USA
| | - Victor Hesselbrock
- Department of Psychiatry, University of Connecticut Health Center, Farmington, CT, USA
| | - Michie Hesselbrock
- Department of Psychiatry, University of Connecticut Health Center, Farmington, CT, USA
| | - Marc Schuckit
- Department of Psychiatry, University of California San Diego School of Medicine, La Jolla, CA, USA
| | - Jay Tischfield
- Department of Genetics, Rutgers University, Piscataway, NJ, USA
| | - Xiangtao Liu
- Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA, USA
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Chastain LG, Sarkar DK. Alcohol effects on the epigenome in the germline: Role in the inheritance of alcohol-related pathology. Alcohol 2017; 60:53-66. [PMID: 28431793 DOI: 10.1016/j.alcohol.2016.12.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2016] [Revised: 12/04/2016] [Accepted: 12/30/2016] [Indexed: 12/18/2022]
Abstract
Excessive alcohol exposure has severe health consequences, and clinical and animal studies have demonstrated that disruptions in the epigenome of somatic cells, such as those in brain, are an important factor in the development of alcohol-related pathologies, such as alcohol-use disorders (AUDs) and fetal alcohol spectrum disorders (FASDs). It is also well known that alcohol-related health problems are passed down across generations in human populations, but the complete mechanisms for this phenomenon are currently unknown. Recent studies in animal models have suggested that epigenetic factors are also responsible for the transmission of alcohol-related pathologies across generations. Alcohol exposure has been shown to induce changes in the epigenome of sperm of exposed male animals, and these epimutations are inherited in the offspring. This paper reviews evidence for multigenerational and transgenerational epigenetic inheritance of alcohol-related pathology through the germline. We also review the literature on the epigenetic effects of alcohol exposure on somatic cells in brain, and its contribution to AUDs and FASDs. We note gaps in knowledge in this field, such as the lack of clinical studies in human populations and the lack of data on epigenetic inheritance via the female germline, and we suggest future research directions.
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Affiliation(s)
- Lucy G Chastain
- The Endocrine Program, Department of Animal Sciences, Rutgers, The State University of New Jersey, 67 Poultry Lane, New Brunswick, NJ 08901, USA
| | - Dipak K Sarkar
- The Endocrine Program, Department of Animal Sciences, Rutgers, The State University of New Jersey, 67 Poultry Lane, New Brunswick, NJ 08901, USA.
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Vaughn MG, Salas-Wright CP, Reingle-Gonzalez JM. Addiction and crime: The importance of asymmetry in offending and the life-course. J Addict Dis 2016; 35:213-217. [PMID: 27192094 DOI: 10.1080/10550887.2016.1189658] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
The intersection of addiction and crime is pervasive. Not only is there a high prevalence of substance use and substance use disorders among criminal justice populations that is substantially higher than in the general population, but also offenders with substance use disorders are more likely to be rearrested. The authors believe there are several broad points that addiction researchers and criminologists have come to understand that are important to bring together. In this commentary, the asymmetrical nature of crime (i.e., a small subset account for the lion's share of offending) and the value of a developmentally sensitive life-course approach to inform criminal behavior are elucidated and discussed. These 2 themes are intertwined. High-impact offenders have extensive drug use histories and need intervention (policy or individual-level), but the form and content and ultimately the effectiveness of the intervention may depend on what period in the life-course the intervention is to be implemented.
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Affiliation(s)
- Michael G Vaughn
- a School of Social Work, College for Public Health and Social Justice, Saint Louis University , St. Louis , Missouri , USA
| | | | - Jennifer M Reingle-Gonzalez
- c Department of Epidemiology , Human Genetics, and Environmental Sciences, University of Texas School of Public Health , Dallas , Texas , USA
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13
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Johnson JR, Rajamanoharan D, McCue HV, Rankin K, Barclay JW. Small Heat Shock Proteins Are Novel Common Determinants of Alcohol and Nicotine Sensitivity in Caenorhabditis elegans. Genetics 2016; 202:1013-27. [PMID: 26773049 PMCID: PMC4788107 DOI: 10.1534/genetics.115.185025] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 01/11/2016] [Indexed: 12/26/2022] Open
Abstract
Addiction to drugs is strongly determined by multiple genetic factors. Alcohol and nicotine produce distinct pharmacological effects within the nervous system through discrete molecular targets; yet, data from family and twin analyses support the existence of common genetic factors for addiction in general. The mechanisms underlying addiction, however, are poorly described and common genetic factors for alcohol and nicotine remain unidentified. We investigated the role that the heat shock transcription factor, HSF-1, and its downstream effectors played as common genetic modulators of sensitivity to addictive substances. Using Caenorhabditis elegans, an exemplary model organism with substance dose-dependent responses similar to mammals, we demonstrate that HSF-1 altered sensitivity to both alcohol and nicotine. Using a combination of a targeted RNAi screen of downstream factors and transgenic approaches we identified that these effects were contingent upon the constitutive neuronal expression of HSP-16.48, a small heat shock protein (HSP) homolog of human α-crystallin. Furthermore we demonstrated that the function of HSP-16.48 in drug sensitivity surprisingly was independent of chaperone activity during the heat shock stress response. Instead we identified a distinct domain within the N-terminal region of the HSP-16.48 protein that specified its function in comparison to related small HSPs. Our findings establish and characterize a novel genetic determinant underlying sensitivity to diverse addictive substances.
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Affiliation(s)
- James R Johnson
- The Physiological Laboratory, Institute of Translational Medicine, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - Dayani Rajamanoharan
- The Physiological Laboratory, Institute of Translational Medicine, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - Hannah V McCue
- The Physiological Laboratory, Institute of Translational Medicine, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - Kim Rankin
- The Physiological Laboratory, Institute of Translational Medicine, University of Liverpool, Liverpool L69 3BX, United Kingdom
| | - Jeff W Barclay
- The Physiological Laboratory, Institute of Translational Medicine, University of Liverpool, Liverpool L69 3BX, United Kingdom
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Heinzerling KG, Demirdjian L, Wu Y, Shoptaw S. Single nucleotide polymorphism near CREB1, rs7591784, is associated with pretreatment methamphetamine use frequency and outcome of outpatient treatment for methamphetamine use disorder. J Psychiatr Res 2016; 74:22-9. [PMID: 26736037 PMCID: PMC5053101 DOI: 10.1016/j.jpsychires.2015.12.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2015] [Revised: 12/04/2015] [Accepted: 12/07/2015] [Indexed: 12/23/2022]
Abstract
Although stimulant dependence is highly heritable, few studies have examined genetic influences on methamphetamine dependence. We performed a candidate gene study of 52 SNPs and pretreatment methamphetamine use frequency among 263 methamphetamine dependent Hispanic and Non-Hispanic White participants of several methamphetamine outpatient clinical trials in Los Angeles. One SNP, rs7591784 was significantly associated with pretreatment methamphetamine use frequency following Bonferroni correction (p < 0.001) in males but not females. We then examined rs7591784 and methamphetamine urine drug screen results during 12 weeks of outpatient treatment among males with treatment outcome data available (N = 94) and found rs7591784 was significantly associated with methamphetamine use during treatment controlling for pretreatment methamphetamine use. rs7591784 is near CREB1 and in a linkage disequilibrium block with rs2952768, previously shown to influence CREB1 expression. The CREB signaling pathway is involved in gene expression changes related to chronic use of multiple drugs of abuse including methamphetamine and these results suggest that variability in CREB signaling may influence pretreatment frequency of methamphetamine use as well as outcomes of outpatient treatment. Medications targeting the CREB pathway, including phosphodiesterase inhibitors, warrant investigation as pharmacotherapies for methamphetamine use disorders.
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Affiliation(s)
- Keith G. Heinzerling
- UCLA Department of Family Medicine and Center for Behavioral and Addiction Medicine, Los Angeles, CA, USA, Correspondence to: Keith Heinzerling, UCLA Department of Family Medicine, 1920 Colorado Avenue, Santa Monica, CA, 90404, USA,
| | | | - Yingnian Wu
- UCLA Department of Statistics, Los Angeles, CA, USA
| | - Steven Shoptaw
- UCLA Department of Family Medicine and Center for Behavioral and Addiction Medicine, Los Angeles, CA, USA
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Cadoni C. Fischer 344 and Lewis Rat Strains as a Model of Genetic Vulnerability to Drug Addiction. Front Neurosci 2016; 10:13. [PMID: 26903787 PMCID: PMC4746315 DOI: 10.3389/fnins.2016.00013] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 01/11/2016] [Indexed: 01/02/2023] Open
Abstract
Today it is well acknowledged that both nature and nurture play important roles in the genesis of psychopathologies, including drug addiction. Increasing evidence suggests that genetic factors contribute for at least 40–60% of the variation in liability to drug dependence. Human genetic studies suggest that multiple genes of small effect, rather than single genes, contribute to the genesis of behavioral psychopathologies. Therefore, the use of inbred rat strains might provide a valuable tool to identify differences, linked to genotype, important in liability to addiction and related disorders. In this regard, Lewis and Fischer 344 inbred rats have been proposed as a model of genetic vulnerability to drug addiction, given their innate differences in sensitivity to the reinforcing and rewarding effects of drugs of abuse, as well their different responsiveness to stressful stimuli. This review will provide evidence in support of this model for the study of the genetic influence on addiction vulnerability, with particular emphasis on differences in mesolimbic dopamine (DA) transmission, rewarding and emotional function. It will be highlighted that Lewis and Fischer 344 rats differ not only in several indices of DA transmission and adaptive changes following repeated drug exposure, but also in hypothalamic-pituitary-adrenal (HPA) axis responsiveness, influencing not only the ability of the individual to cope with stressful events, but also interfering with rewarding and motivational processes, given the influence of corticosteroids on dopamine neuron functionality. Further differences between the two strains, as impulsivity or anxiousness, might contribute to their different proneness to addiction, and likely these features might be linked to their different DA neurotransmission plasticity. Although differences in other neurotransmitter systems might deserve further investigation, results from the reviewed studies might open new vistas in understanding aberrant deviations in reward and motivational functions.
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Affiliation(s)
- Cristina Cadoni
- Institute of Neuroscience, Cagliari Section, Department of Biomedical Sciences, National Research Council of ItalyCagliari, Italy; Centre of Excellence "Neurobiology of Dependence", University of CagliariCagliari, Italy
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Mbarek H, Milaneschi Y, Fedko IO, Hottenga JJ, de Moor MHM, Jansen R, Gelernter J, Sherva R, Willemsen G, Boomsma DI, Penninx BW, Vink JM. The genetics of alcohol dependence: Twin and SNP-based heritability, and genome-wide association study based on AUDIT scores. Am J Med Genet B Neuropsychiatr Genet 2015; 168:739-48. [PMID: 26365420 DOI: 10.1002/ajmg.b.32379] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 08/28/2015] [Indexed: 11/11/2022]
Abstract
Alcohol dependence (AD) is among the most common and costly public health problems contributing to morbidity and mortality throughout the world. In this study, we investigate the genetic basis of AD in a Dutch population using data from the Netherlands Twin Register (NTR) and the Netherlands Study of Depression and Anxiety (NESDA). The presence of AD was ascertained via the Alcohol Use Disorders Identification Test (AUDIT) applying cut-offs with good specificity and sensitivity in identifying those at risk for AD. Twin-based heritability of AD-AUDIT was estimated using structural equation modeling of data in 7,694 MZ and DZ twin pairs. Variance in AD-AUDIT explained by all SNPs was estimated with genome-wide complex trait analysis (GCTA). A genome-wide association study (GWAS) was performed in 7,842 subjects. GWAS SNP effect concordance analysis was performed between our GWAS and a recent AD GWAS using DSM-IV diagnosis. The twin-based heritability of AD-AUDIT was estimated at 60% (55-69%). GCTA showed that common SNPs jointly capture 33% (SE = 0.12, P = 0.002) of this heritability. In the GWAS, the top hits were positioned within four regions (4q31.1, 2p16.1, 6q25.1, 7p14.1) with the strongest association detected for rs55768019 (P = 7.58 × 10(-7) ). This first GWAS of AD using the AUDIT measure found results consistent with previous genetic studies using DSM diagnosis: concordance in heritability estimates and direction of SNPs effect and overlap with top hits from previous GWAS. Thus, the use of appropriate questionnaires may represent cost-effective strategies to phenotype samples in large-scale biobanks or other population-based datasets.
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Affiliation(s)
- Hamdi Mbarek
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
| | - Yuri Milaneschi
- Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Center/GGZ inGeest, Amsterdam, The Netherlands
| | - Iryna O Fedko
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
| | - Jouke-Jan Hottenga
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
| | - Marleen H M de Moor
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
| | - Rick Jansen
- Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Center/GGZ inGeest, Amsterdam, The Netherlands
| | - Joel Gelernter
- Division of Human Genetics, Department of Psychiatry, Yale University School of Medicine, West Haven, Connecticut
- VA CT Healthcare Center, West Haven, Connecticut
| | - Richard Sherva
- Department of Medicine (Biomedical Genetics), Boston University School of Medicine, Boston, Massachusetts
| | - Gonneke Willemsen
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
| | - Dorret I Boomsma
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
| | - Brenda W Penninx
- Department of Psychiatry and EMGO Institute for Health and Care Research, VU University Medical Center/GGZ inGeest, Amsterdam, The Netherlands
| | - Jacqueline M Vink
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, The Netherlands
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Blum K, Thompson B, Demotrovics Z, Femino J, Giordano J, Oscar-Berman M, Teitelbaum S, Smith DE, Roy AK, Agan G, Fratantonio J, Badgaiyan RD, Gold MS. The Molecular Neurobiology of Twelve Steps Program & Fellowship: Connecting the Dots for Recovery. JOURNAL OF REWARD DEFICIENCY SYNDROME 2015; 1:46-64. [PMID: 26306329 PMCID: PMC4545669 DOI: 10.17756/jrds.2015-008] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
There are some who suggest that alcoholism and drug abuse are not diseases at all and that they are not consequences of a brain disorder as espoused recently by the American Society of Addiction Medicine (ASAM). Some would argue that addicts can quit on their own and moderate their alcohol and drug intake. When they present to a treatment program or enter the 12 Step Program & Fellowship, many addicts finally achieve complete abstinence. However, when controlled drinking fails, there may be successful alternatives that fit particular groups of individuals. In this expert opinion, we attempt to identify personal differences in recovery, by clarifying the molecular neurobiological basis of each step of the 12 Step Program. We explore the impact that the molecular neurobiological basis of the 12 steps can have on Reward Deficiency Syndrome (RDS) despite addiction risk gene polymorphisms. This exploration has already been accomplished in part by Blum and others in a 2013 Springer Neuroscience Brief. The purpose of this expert opinion is to briefly, outline the molecular neurobiological and genetic links, especially as they relate to the role of epigenetic changes that are possible in individuals who regularly attend AA meetings. It begs the question as to whether "12 steps programs and fellowship" does induce neuroplasticity and continued dopamine D2 receptor proliferation despite carrying hypodopaminergic type polymorphisms such as DRD2 A1 allele. "Like-minded" doctors of ASAM are cognizant that patients in treatment without the "psycho-social-spiritual trio," may not be obtaining the important benefits afforded by adopting 12-step doctrines. Are we better off with coupling medical assisted treatment (MAT) that favors combining dopamine agonist modalities (DAM) as possible histone-deacetylase activators with the 12 steps followed by a program that embraces either one or the other? While there are many unanswered questions, at least we have reached a time when "science meets recovery," and in doing so, can further redeem joy in recovery.
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Affiliation(s)
- Kenneth Blum
- Department of Psychiatry, School of Medicine and McKnight Brain Institute, University of Florida, Gainesville, FL, USA
- Department of Addiction Research and Therapy, Malibu Beach Recovery Center, Malibu Beach, CA, USA
- Dominion Diagnostics, Inc., North Kingstown, RI, USA
- IGENE, LLC., Austin, TX, USA
- RDSolutions, Del Mar, CA, USA
- National Institute for Holistic Medicine, North Miami Beach, FL, USA
| | - Benjamin Thompson
- Behavioral Neuroscience Program, Boston University School of Medicine, and Boston VA Healthcare System, Boston, MA, USA
| | - Zsolt Demotrovics
- Eötvös Loránd University, Institute of Psychology, Budapest, Hungary
| | - John Femino
- Dominion Diagnostics, Inc., North Kingstown, RI, USA
- Meadows Edge Recovery Center, North Kingstown, RI, USA
| | - John Giordano
- National Institute for Holistic Medicine, North Miami Beach, FL, USA
| | - Marlene Oscar-Berman
- Departments of Psychiatry, Neurology, and Anatomy & Neurobiology, Boston University School of Medicine, and Boston VA Healthcare System, Boston, MA, USA
| | - Scott Teitelbaum
- Department of Psychiatry, School of Medicine and McKnight Brain Institute, University of Florida, Gainesville, FL, USA
| | - David E. Smith
- Dominion Diagnostics, Inc., North Kingstown, RI, USA
- Institute of Health & Aging, University of California at San Francisco, San Francisco, CA, USA
| | | | - Gozde Agan
- Dominion Diagnostics, Inc., North Kingstown, RI, USA
| | | | - Rajendra D. Badgaiyan
- Department of Psychiatry, University of Minnesota College of Medicine, Minneapolis, MN, USA
| | - Mark S. Gold
- Director of Research, Drug Enforcement Administration (DEA) Educational Foundation, Washington, D.C, USA
- Departments of Psychiatry & Behavioral Sciences at the Keck, University of Southern California, School of Medicine, CA, USA
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Schoenthaler SJ, Blum K, Braverman ER, Giordano J, Thompson B, Oscar-Berman M, Badgaiyan RD, Madigan MA, Dushaj K, Li M, Demotrovics Z, Waite RL, Gold MS. NIDA-Drug Addiction Treatment Outcome Study (DATOS) Relapse as a Function of Spirituality/Religiosity. JOURNAL OF REWARD DEFICIENCY SYNDROME 2015; 1:36-45. [PMID: 26052556 PMCID: PMC4455957 DOI: 10.17756/jrds.2015-007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND The connection between religion/spirituality and deviance, like substance abuse, was first made by Durkheim who defined socially expected behaviors as norms. He explained that deviance is due in large part to their absence (called anomie), and concluded that spirituality lowers deviance by preserving norms and social bonds. Impairments in brain reward circuitry, as observed in Reward Deficiency Syndrome (RDS), may also result in deviance and as such we wondered if stronger belief in spirituality practice and religious belief could lower relapse from drugs of abuse. METHODS The NIDA Drug Addiction Treatment Outcome Study data set was used to examine post hoc relapse rates among 2,947 clients who were interviewed at 12 months after intake broken down by five spirituality measures. RESULTS Our main findings strongly indicate, that those with low spirituality have higher relapse rates and those with high spirituality have higher remission rates with crack use being the sole exception. We found significant differences in terms of cocaine, heroin, alcohol, and marijuana relapse as a function of strength of religious beliefs (x2 = 15.18, p = 0.028; logistic regression = 10.65, p = 0.006); frequency of attending religious services (x2 = 40.78, p < 0.0005; logistic regression = 30.45, p < 0.0005); frequency of reading religious books (x2 = 27.190, p < 0.0005; logistic regression = 17.31, p < 0.0005); frequency of watching religious programs (x2 = 19.02, p = 0.002; logistic regression = ns); and frequency of meditation/prayer (x2 = 11.33, p = 0.045; logistic regression = 9.650, p = 0.002). Across the five measures of spirituality, the spiritual participants reported between 7% and 21% less alcohol, cocaine, heroin, and marijuana use than the non-spiritual subjects. However, the crack users who reported that religion was not important reported significantly less crack use than the spiritual participants. The strongest association between remission and spirituality involves attending religious services weekly, the one marker of the five that involves the highest social interaction/social bonding consistent with Durkheim's social bond theory. CONCLUSIONS Stronger spiritual/religious beliefs and practices are directly associated with remission from abused drugs except crack. Much like the value of having a sponsor, for clients who abuse drugs, regular spiritual practice, particularly weekly attendance at the religious services of their choice is associated with significantly higher remission. These results demonstrate the clinically significant role of spirituality and the social bonds it creates in drug treatment programs.
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Affiliation(s)
| | - Kenneth Blum
- Department of Psychiatry & McKnight Brain Institute, University of Florida College of Medicine, Gainesville, FL, USA
- Department of Neurology, PATH Foundation NY, New York, NY, USA
- Department of Clinical Research, National Institute for Holistic Addiction Studies, North Miami Beach, FL, USA
- Department of Psychiatry, Human Integrated Services Unit, University of Vermont Center for Clinical & Translational Science, University of Vermont College of Medicine, Burlington, VT, USA
- Department of Nutrigenomics, Igene, Inc., Austin, TX, USA
- Department of Addiction Research & Therapy, Malibu Beach Recovery Center, Malibu, CA, USA
- Dominion Diagnostics, LLC, North Kingston, RI, USA
| | - Eric R. Braverman
- Department of Psychiatry & McKnight Brain Institute, University of Florida College of Medicine, Gainesville, FL, USA
- Department of Neurology, PATH Foundation NY, New York, NY, USA
| | - John Giordano
- Department of Clinical Research, National Institute for Holistic Addiction Studies, North Miami Beach, FL, USA
| | - Ben Thompson
- Departments of Psychiatry, Anatomy, & Neurobiology, Boston VA and Boston University School of Medicine, Boston, MA, USA
| | - Marlene Oscar-Berman
- Departments of Psychiatry, Anatomy, & Neurobiology, Boston VA and Boston University School of Medicine, Boston, MA, USA
| | - Rajendra D. Badgaiyan
- Department of Psychiatry, University of Minnesota College of Medicine, Minneapolis, MN, USA
| | | | - Kristina Dushaj
- Department of Neurology, PATH Foundation NY, New York, NY, USA
| | - Mona Li
- Department of Neurology, PATH Foundation NY, New York, NY, USA
| | - Zsolt Demotrovics
- Eotvos Lorand University, Institute of Psychology, Department of Clinical Psychology and Addiction, Izabella utca 46, H-1064, Budapest, Hungary
| | - Roger L. Waite
- Department of Nutrigenomics, RDSolutions, Inc., Salt Lake City, UT, USA
| | - Mark S. Gold
- Director of Research, Drug Enforcement Administration (DEA) Educational Foundation, Washington, D.C, USA
- Departments of Psychiatry & Behavioral Sciences at the Keck, University of Southern California, School of Medicine, CA, USA
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Daigle CL, Rodenburg TB, Bolhuis JE, Swanson JC, Siegford JM. Individual Consistency of Feather Pecking Behavior in Laying Hens: Once a Feather Pecker Always a Feather Pecker? Front Vet Sci 2015; 2:6. [PMID: 26664935 PMCID: PMC4672280 DOI: 10.3389/fvets.2015.00006] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 03/21/2015] [Indexed: 01/19/2023] Open
Abstract
The pecking behavior [severe feather, gentle feather, and aggressive pecks (AP)] of individual White Shaver non-cage laying hens (n = 300) was examined at 21, 24, 27, 32, and 37 weeks. Hens were housed in 30 groups of 10 hens each and on 3 cm litter with access to a feeder, perch, and two nest boxes. The number of severe feather pecks given (SFPG) and received (SFPR) was used to categorize hens as feather peckers (P), victims (V), neutrals (N), or feather pecker-victims (PV) at each age. Hens categorized as PV exhibited pecking behaviors similar to P and received pecks similar to V. SFP given were correlated with APs given, but not with gentle feather pecks (GFP) given throughout the study. State-transition plot maps illustrated that 22.5% of P remained P, while 44% of PV remained PV throughout the duration of the study. Lifetime behavioral categories identified hens as a consistent feather pecker (5%), consistent neutral (3.9%), consistent victim (7.9%), consistent feather pecker-victim (29.4%), or inconsistent (53.8%) in their behavioral patterns throughout their life. Consistent feather peckers performed more SFP than hens of other categories, and consistent neutral hens received fewer GFP than consistent feather PV. No differences in corticosterone or whole blood serotonin levels were observed among the categories. Approximately, half of the population was classified as a feather pecker at least once during the study, while the remainder was never categorized as a feather pecker. Therefore, even if the development and cause of feather pecking may be multifactorial, once the behavior has been developed, some hens may persist in feather pecking. However, as some hens were observed to never receive or perform SFP, emphasis should be made to select for these hens in future breeding practices.
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Affiliation(s)
- Courtney L. Daigle
- Animal Behavior and Welfare Group, Department of Animal Science, Michigan State University, East Lansing, MI, USA
| | - T. Bas Rodenburg
- Behavioural Ecology Group, Wageningen Institute of Animal Sciences, Wageningen University, Wageningen, Netherlands
| | - J. Elizabeth Bolhuis
- Adaptation Physiology Group, Wageningen Institute of Animal Sciences, Wageningen University, Wageningen, Netherlands
| | - Janice C. Swanson
- Animal Behavior and Welfare Group, Department of Animal Science, Michigan State University, East Lansing, MI, USA
| | - Janice M. Siegford
- Animal Behavior and Welfare Group, Department of Animal Science, Michigan State University, East Lansing, MI, USA
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Multigenerational and transgenerational inheritance of drug exposure: The effects of alcohol, opiates, cocaine, marijuana, and nicotine. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2015; 118:21-33. [PMID: 25839742 DOI: 10.1016/j.pbiomolbio.2015.03.002] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 03/02/2015] [Accepted: 03/06/2015] [Indexed: 12/15/2022]
Abstract
Familial inheritance of drug abuse is composed of both genetic and environmental factors. Additionally, epigenetic transgenerational inheritance may provide a means by which parental drug use can influence several generations of offspring. Recent evidence suggests that parental drug exposure produces behavioral, biochemical, and neuroanatomical changes in future generations. The focus of this review is to discuss these multigenerational and transgenerational phenotypes in the offspring of animals exposed to drugs of abuse. Specifically, changes found following the administration of alcohol, opioids, cocaine, marijuana, and nicotine will be discussed. In addition, epigenetic modifications to the genome following administration of these drugs will be detailed as well as their potential for transmission to the next generation.
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