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Mitra A, Deats SP, Dickson PE, Zhu J, Gardin J, Nieman BJ, Henkelman RM, Tsai NP, Chesler EJ, Zhang ZW, Kumar V. Tmod2 Is a Regulator of Cocaine Responses through Control of Striatal and Cortical Excitability and Drug-Induced Plasticity. J Neurosci 2024; 44:e1389232024. [PMID: 38508714 PMCID: PMC11063827 DOI: 10.1523/jneurosci.1389-23.2024] [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: 06/27/2023] [Revised: 02/12/2024] [Accepted: 02/24/2024] [Indexed: 03/22/2024] Open
Abstract
Drugs of abuse induce neuroadaptations, including synaptic plasticity, that are critical for transition to addiction, and genes and pathways that regulate these neuroadaptations are potential therapeutic targets. Tropomodulin 2 (Tmod2) is an actin-regulating gene that plays an important role in synapse maturation and dendritic arborization and has been implicated in substance abuse and intellectual disability in humans. Here, we mine the KOMP2 data and find that Tmod2 knock-out mice show emotionality phenotypes that are predictive of addiction vulnerability. Detailed addiction phenotyping shows that Tmod2 deletion does not affect the acute locomotor response to cocaine administration. However, sensitized locomotor responses are highly attenuated in these knock-outs, indicating perturbed drug-induced plasticity. In addition, Tmod2 mutant animals do not self-administer cocaine indicating lack of hedonic responses to cocaine. Whole-brain MR imaging shows differences in brain volume across multiple regions, although transcriptomic experiments did not reveal perturbations in gene coexpression networks. Detailed electrophysiological characterization of Tmod2 KO neurons showed increased spontaneous firing rate of early postnatal and adult cortical and striatal neurons. Cocaine-induced synaptic plasticity that is critical for sensitization is either missing or reciprocal in Tmod2 KO nucleus accumbens shell medium spiny neurons, providing a mechanistic explanation of the cocaine response phenotypes. Combined, these data, collected from both males and females, provide compelling evidence that Tmod2 is a major regulator of plasticity in the mesolimbic system and regulates the reinforcing and addictive properties of cocaine.
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Affiliation(s)
| | | | | | - Jiuhe Zhu
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
| | | | - Brian J Nieman
- Mouse Imaging Centre and Translational Medicine, Hospital for Sick Children; Ontario Institute for Cancer Research; Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5T 3H7, Canada
| | - R Mark Henkelman
- Mouse Imaging Centre and Translational Medicine, Hospital for Sick Children; Ontario Institute for Cancer Research; Department of Medical Biophysics, University of Toronto, Toronto, Ontario M5T 3H7, Canada
| | - Nien-Pei Tsai
- Department of Molecular and Integrative Physiology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
| | | | | | - Vivek Kumar
- The Jackson Laboratory, Bar Harbor, Maine 04609
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Polimanti R, Levey DF, Pathak GA, Wendt FR, Nunez YZ, Ursano RJ, Kessler RC, Kranzler HR, Stein MB, Gelernter J. Multi-environment gene interactions linked to the interplay between polysubstance dependence and suicidality. Transl Psychiatry 2021; 11:34. [PMID: 33431810 PMCID: PMC7801457 DOI: 10.1038/s41398-020-01153-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 11/27/2020] [Accepted: 12/03/2020] [Indexed: 12/19/2022] Open
Abstract
Substance dependence diagnoses (SDs) are important risk factors for suicidality. We investigated the associations of multiple SDs with different suicidality outcomes, testing how genetic background moderates these associations. The Yale-Penn cohort (N = 15,557) was recruited to investigate the genetics of SDs. The Army STARRS (Study to Assess Risk and Resilience in Servicemembers) cohort (N = 11,236) was recruited to evaluate mental health risk and resilience among Army personnel. We applied multivariate logistic regression to investigate the associations of SDs with suicidality and, in the Yale-Penn cohort, we used the structured linear mixed model (StructLMM) to study multivariate gene-environment interactions. In Yale-Penn, lifetime polysubstance dependence was strongly associated with lifetime suicidality: having five SDs showed an association with suicidality, from odds ratio (OR) = 6.77 (95% confidence interval, CI = 5.74-7.99) for suicidal ideation (SI) to OR = 3.61 (95% CI = 2.7-4.86) for suicide attempt (SA). In Army STARRS, having multiple substance use disorders for alcohol and/or drugs was associated with increased suicidality ranging from OR = 2.88 (95% CI = 2.6-3.19) for SI to OR = 3.92 (95% CI = 3.19-4.81) for SA. In Yale-Penn, we identified multivariate gene-environment interactions (Bayes factors, BF > 0) of SI with respect to a gene cluster on chromosome 16 (LCAT, p = 1.82 × 10-7; TSNAXIP1, p = 2.13 × 10-7; CENPT, p = 2.32 × 10-7; PARD6A, p = 5.57 × 10-7) for opioid dependence (BF = 12.2), cocaine dependence (BF = 12.1), nicotine dependence (BF = 9.2), and polysubstance dependence (BF = 2.1). Comorbidity of multiple SDs is a significant associated with suicidality and heritability of suicidality is partially moderated by multivariate gene interactions.
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Affiliation(s)
- Renato Polimanti
- Department of Psychiatry, Yale School of Medicine, Yale University, West Haven, CT, USA. .,Veteran Affairs CT Healthcare System, West Haven, CT, USA.
| | - Daniel F. Levey
- grid.47100.320000000419368710Department of Psychiatry, Yale School of Medicine, Yale University, West Haven, CT USA ,Veteran Affairs CT Healthcare System, West Haven, CT USA
| | - Gita A. Pathak
- grid.47100.320000000419368710Department of Psychiatry, Yale School of Medicine, Yale University, West Haven, CT USA ,Veteran Affairs CT Healthcare System, West Haven, CT USA
| | - Frank R. Wendt
- grid.47100.320000000419368710Department of Psychiatry, Yale School of Medicine, Yale University, West Haven, CT USA ,Veteran Affairs CT Healthcare System, West Haven, CT USA
| | - Yaira Z. Nunez
- grid.47100.320000000419368710Department of Psychiatry, Yale School of Medicine, Yale University, West Haven, CT USA ,Veteran Affairs CT Healthcare System, West Haven, CT USA
| | - Robert J. Ursano
- grid.265436.00000 0001 0421 5525Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD USA
| | - Ronald C. Kessler
- grid.38142.3c000000041936754XDepartment of Health Care Policy, Harvard Medical School, Boston, MA USA
| | - Henry R. Kranzler
- grid.25879.310000 0004 1936 8972University of Pennsylvania Perelman School of Medicine, Philadelphia, PA USA ,grid.410355.60000 0004 0420 350XCrescenz Veterans Affairs Medical Center, Philadelphia, PA USA
| | - Murray B. Stein
- grid.266100.30000 0001 2107 4242Department of Psychiatry, School of Medicine, University of California, San Diego, La Jolla, CA USA ,grid.410371.00000 0004 0419 2708Psychiatry Service, Veterans Affairs San Diego Healthcare System, San Diego, CA USA
| | - Joel Gelernter
- grid.47100.320000000419368710Department of Psychiatry, Yale School of Medicine, Yale University, West Haven, CT USA ,Veteran Affairs CT Healthcare System, West Haven, CT USA ,grid.47100.320000000419368710Departments of Genetics and Neuroscience, Yale University School of Medicine, New Haven, CT 06510 USA
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Musci RJ, Augustinavicius JL, Volk H. Gene-Environment Interactions in Psychiatry: Recent Evidence and Clinical Implications. Curr Psychiatry Rep 2019; 21:81. [PMID: 31410638 PMCID: PMC7340157 DOI: 10.1007/s11920-019-1065-5] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
PURPOSE OF REVIEW We identify the recent evidence for gene-by-environment interaction studies in relation to psychiatric disorders. We focus on the key genotypic data as well as environmental exposures and how they interact to predict psychiatric disorders and psychiatric symptomatology. We direct our focus on the psychiatric outcomes that were focused on by the Psychiatric Genetics Consortium. RECENT FINDINGS Many of the studies focus on candidate gene approaches, with most of the studies drawing upon previous literature to decide the genes of interest. Other studies used a genome-wide approach. While some studies demonstrated positive replication of previous findings, replication is still an issue within gene-by-environment interaction studies. Gene-by-environment interaction research in psychiatry globally suggests some susceptibility to environmental exposures based on genotype; however, greater clarity is needed around the idea that genetic risk may not be disorder specific.
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Affiliation(s)
- Rashelle J. Musci
- Department of Mental Health, Johns Hopkins University Bloomberg School of Public Health, 624 North Broadway, Baltimore, MD 21205, USA
| | - Jura L. Augustinavicius
- Department of Mental Health, Johns Hopkins University Bloomberg School of Public Health, 624 North Broadway, Baltimore, MD 21205, USA
| | - Heather Volk
- Department of Mental Health, Johns Hopkins University Bloomberg School of Public Health, 624 North Broadway, Baltimore, MD 21205, USA
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Liu G, Wang Y, Zheng W, Cheng H, Zhou R. P11 Loss-of-Function is Associated with Decreased Cell Proliferation and Neurobehavioral Disorders in Mice. Int J Biol Sci 2019; 15:1383-1395. [PMID: 31337969 PMCID: PMC6643149 DOI: 10.7150/ijbs.33773] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Accepted: 03/09/2019] [Indexed: 12/20/2022] Open
Abstract
Although depression is associated with anxiety and memory deficit in humans, the molecular mechanisms of the complication remain largely unknown. In this study, we generated P11 knockout mice using CRISPR/Cas9 technology, as well as P11 knockout MEF cell lines, and confirmed depression-like phenotype. We observed that knockout of P11 in MEFs led to a decreased cell proliferation compared with P11+/+ MEFs. Moreover, P11 knockout resulted in a larger cell size, which resulted probably from accumulated F-actin stress fibers. The number of proliferating cells was decreased in the hippocampus of P11 KO mice. We observed anxiety-like disorder in addition to depression phenotype in the knockout mice. In addition, knockout of P11 led to memory deficit in female mice, but not in males. These data indicated that P11 is involved in regulating cell proliferation and cell size. The molecular associations of depression behavior with anxiety and memory deficit suggested a potential approach to improve therapeutic intervention through P11 in these disorders.
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Affiliation(s)
| | | | | | - Hanhua Cheng
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, P. R. China
| | - Rongjia Zhou
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, Wuhan University, Wuhan 430072, P. R. China
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Randesi M, van den Brink W, Levran O, Blanken P, van Ree JM, Ott J, Kreek MJ. VMAT2 gene ( SLC18A2) variants associated with a greater risk for developing opioid dependence. Pharmacogenomics 2019; 20:331-341. [PMID: 30983500 DOI: 10.2217/pgs-2018-0137] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Aim: To determine if selected serotonergic and noradrenergic gene variants are associated with heroin addiction. Subjects & methods: A total of 126 variants in 19 genes in subjects with Dutch European ancestry from The Netherlands. Subjects included 281 opioid-dependent volunteers in methadone maintenance or heroin-assisted treatment, 163 opioid-exposed but not opioid-dependent volunteers who have been using illicit opioids but never became opioid-dependent and 153 healthy controls. Results: Nominal associations were indicated for 20 variants in six genes including an experiment-wise significant association from the combined effect of three SLC18A2 SNPs (rs363332, rs363334 and rs363338) with heroin dependence (pfinal = 0.047). Conclusion: Further studies are warranted to confirm and elucidate the role of these variants in the vulnerability to opioid addiction.
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Affiliation(s)
- Matthew Randesi
- Laboratory of the Biology of Addictive Diseases, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Wim van den Brink
- Department of Psychiatry, Amsterdam Institute for Addiction Research, Academic Medical Center, University of Amsterdam, PO Box 22660, 1100 DD Amsterdam, The Netherlands
| | - Orna Levran
- Laboratory of the Biology of Addictive Diseases, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Peter Blanken
- Department of Psychiatry, Amsterdam Institute for Addiction Research, Academic Medical Center, University of Amsterdam, PO Box 22660, 1100 DD Amsterdam, The Netherlands.,Parnassia Addiction Research Centre (PARC, Brijder Addiction Treatment), PO Box 53002, 2505 AA The Hague, The Netherlands
| | - Jan M van Ree
- Rudolf Magnus Brain Center, University Medical Center Utrecht, Utrecht University, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Jurg Ott
- Laboratory of Statistical Genetics, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Mary Jeanne Kreek
- Laboratory of the Biology of Addictive Diseases, The Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
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Polimanti R, Kaufman J, Zhao H, Kranzler HR, Ursano RJ, Kessler RC, Stein MB, Gelernter J, Heeringa S, Wagner J, Cox K, Aliaga PA, Benedek COLDM, Campbell‐Sills L, Fullerton CS, Gebler N, Gifford RK, Hurwitz PE, Jain S, Lewandowski‐Romps L, Herberman Mash H, McCarroll JE, Naifeh JA, Hinz Ng TH, Nock MK, Santiago P, Wynn GH, Zaslavsky AM. Trauma exposure interacts with the genetic risk of bipolar disorder in alcohol misuse of US soldiers. Acta Psychiatr Scand 2018; 137:148-156. [PMID: 29230810 PMCID: PMC6110087 DOI: 10.1111/acps.12843] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/21/2017] [Indexed: 12/16/2022]
Abstract
OBJECTIVE To investigate whether trauma exposure moderates the genetic correlation between substance use disorders and psychiatric disorders, we tested whether trauma exposure modifies the association of genetic risks for mental disorders with alcohol misuse and nicotine dependence (ND) symptoms. METHODS High-resolution polygenic risk scores (PRSs) were calculated for 10 732 US Army soldiers (8346 trauma-exposed and 2386 trauma-unexposed) based on genome-wide association studies of bipolar disorder (BD), major depressive disorder, and schizophrenia. RESULTS The main finding was a significant BD PRS-by-trauma interaction with respect to alcohol misuse (P = 6.07 × 10-3 ). We observed a positive correlation between BD PRS and alcohol misuse in trauma-exposed soldiers (r = 0.029, P = 7.5 × 10-3 ) and a negative correlation in trauma-unexposed soldiers (r = -0.071, P = 5.61 × 10-4 ). Consistent (nominally significant) result with concordant effect, directions were observed in the schizophrenia PRS-by-trauma interaction analysis. The variants included in the BD PRS-by-trauma interaction showed significant enrichments for gene ontologies related to high voltage-gated calcium channel activity (GO:0008331, P = 1.51 × 10-5 ; GO:1990454, P = 4.49 × 10-6 ; GO:0030315, P = 2.07 × 10-6 ) and for Beta1/Beta2 adrenergic receptor signaling pathways (P = 2.61 × 10-4 ). CONCLUSIONS These results indicate that the genetic overlap between alcohol misuse and BD is significantly moderated by trauma exposure. This provides molecular insight into the complex mechanisms that link substance abuse, psychiatric disorders, and trauma exposure.
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Affiliation(s)
- Renato Polimanti
- Department of Psychiatry, Yale School of Medicine and VA CT Healthcare Center, West Haven, CT, USA
| | - Joan Kaufman
- Center for Child and Family Traumatic Stress, Kennedy Krieger Institute, Baltimore, MD, USA;,Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Hongyu Zhao
- Department of Biostatistics, Yale University School of Public Health, New Haven, CT, USA;,Department of Genetics, Yale University School of Medicine, New Haven, CT, USA
| | - Henry R. Kranzler
- Department of Psychiatry, University of Pennsylvania School of Medicine and VISN 4 MIRECC, Crescenz VAMC, Philadelphia, PA, USA
| | - Robert J. Ursano
- Center for the Study of Traumatic Stress, Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, MD, USA
| | | | - Murray B. Stein
- Departments of Psychiatry and of Family Medicine and Public Health, University of California San Diego, La Jolla, CA, USA;,VA San Diego Healthcare System, San Diego, CA, USA
| | - Joel Gelernter
- Department of Psychiatry, Yale School of Medicine and VA CT Healthcare Center, West Haven, CT, USA;,Department of Genetics, Yale University School of Medicine, New Haven, CT, USA;,Department of Neuroscience, Yale University School of Medicine, New Haven, CT, USA
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