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Ornell F, Scherer JN, Schuch JB, Sordi AO, Halpern SC, Rebelatto FP, Bristot G, Kapczinski F, Roglio VS, Pechansky F, Kessler FHP, von Diemen L. Serum BDNF levels increase during early drug withdrawal in alcohol and crack cocaine addiction. Alcohol 2023; 111:1-7. [PMID: 37037287 DOI: 10.1016/j.alcohol.2023.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Revised: 04/02/2023] [Accepted: 04/05/2023] [Indexed: 04/12/2023]
Abstract
Brain-derived neurotrophic factor (BDNF) is involved in several drug-induced brain neuroadaptations. The impact of withdrawal from substances that have different neurological mechanisms on BDNF levels is unclear. Our goal was to compare serum BDNF levels in inpatients with alcohol or crack cocaine use disorders during the early withdrawal period, and to evaluate the association with substance-related outcomes. We performed a follow-up study with 101 men under detoxification treatment (drug preference: alcohol [n = 37] and crack cocaine [n = 64]). Blood samples were collected on the 1st and 15th days of hospitalization to measure serum BDNF levels. Serum BDNF levels increased during the early stage of withdrawal (28.2 ± 10.0 vs. 32.6 ± 13.3, p < 0.001), similarly in individuals with alcohol and crack cocaine use. In the alcohol group, BDNF levels on the 15th day of hospitalization were negatively correlated with age (r = -0.394, p = 0.023). Delta BDNF levels were also negatively correlated with BDNF on the 1st day of hospitalization (p = 0.011). No significant correlation was found regarding substance-related outcomes. This is the first study to compare BDNF levels in alcohol and crack cocaine users undergoing similar treatment conditions. These findings could be related to clinical improvement after abstinence or even to drug withdrawal itself, decreasing neuronal injury. Furthermore, age may be a crucial factor, hindering the recovery of neuroplasticity in alcohol users.
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Affiliation(s)
- Felipe Ornell
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Juliana N Scherer
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Jaqueline B Schuch
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
| | - Anne O Sordi
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Silvia C Halpern
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
| | - Fernando P Rebelatto
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Giovana Bristot
- Bipolar Disorder Program, Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil; Graduate Program in Biological Sciences: Biochemistry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Flavio Kapczinski
- Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Bipolar Disorder Program, Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, Brazil; Department of Psychiatry and Behavioural Neurosciences, McMaster University and St. Joseph's Healthcare Hamilton, Hamilton, Ontario, Canada
| | - Vinicius S Roglio
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Flavio Pechansky
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Felix H P Kessler
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Lisia von Diemen
- Center for Drug and Alcohol Research, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Department of Psychiatry, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
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Wetzel L, Pourbaix M, Riegler A, Pfeifer AM, Reinhard I, Hoffmann S, Vollstädt-Klein S, Kiefer F, Sommer W, Bumb JM, Bach P, Koopmann A. G-CuP: the effect of a forced oral glucose intake on alcohol craving and mesolimbic cue reactivity in alcohol dependence-study protocol of a randomized, double-blind, placebo-controlled crossover study. Trials 2022; 23:693. [PMID: 35986409 PMCID: PMC9389768 DOI: 10.1186/s13063-022-06626-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Accepted: 08/03/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Multiple studies indicate that a lower plasma level of the acetylated form of the appetite-regulating hormone ghrelin and higher plasma levels of insulin lead to a reduction in subjective alcohol craving and a reduced mesolimbic cue reactivity in functional magnetic resonance imaging (fMRI) when being exposed to alcohol-associated stimuli. The ghrelin level can physiologically be reduced by the induction of stomach distension and the ingestion of glucose or lipids. METHODS A total of 108 alcohol-dependent patients aged between 18 and 65 years are examined in the randomized, double-blind, placebo-controlled crossover study. After collecting demographic and psychometric data, participants take part in an alcohol exposure session. Afterwards, the participants go through the intervention condition (oral glucose intake) and the control condition (placebo intake) in a randomized order on two examination days. Blood samples are taken repeatedly (every 10 min) during the study course on both measuring days to determine changes in acetylated and total ghrelin and insulin plasma levels. In parallel, subjective alcohol craving after the glucose or placebo intake as the primary outcome is assessed using the Alcohol Urge Questionnaire (AUQ) and a visual analog scale (VAS). To examine the mesolimbic cue reactivity as the secondary outcome, a fMRI measurement is conducted while being exposed to alcohol-related stimuli. Appropriate statistical analysis will be used for the evaluation of the outcomes. DISCUSSION If successful, the results of this study could offer alcohol-dependent patients a new potential option for acute short-term reduction of alcohol craving and thus prevent relapses and prolong periods of abstinence in the long term. TRIAL REGISTRATION German Clinical Trials Register DRKS00022419 (UTN: U1111-1278-9428). Retrospectively registered on September 15, 2020.
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Affiliation(s)
- Lea Wetzel
- Medical Faculty Mannheim, Heidelberg University, Heidelberg, Germany.
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany.
| | - Madeleine Pourbaix
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
| | - Alisa Riegler
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
- Feuerlein Centre on Translational Addiction Medicine (FCTS), University of Heidelberg, Heidelberg, Germany
| | - Anna-Maria Pfeifer
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
| | - Iris Reinhard
- Department of Biostatistics, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Sabine Hoffmann
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
- Department of Biostatistics, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Sabine Vollstädt-Klein
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
| | - Falk Kiefer
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
- Feuerlein Centre on Translational Addiction Medicine (FCTS), University of Heidelberg, Heidelberg, Germany
| | - Wolfgang Sommer
- Institute of Psychopharmacology, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/Heidelberg University, Mannheim, Germany
| | - Jan Malte Bumb
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
| | - Patrick Bach
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
- Feuerlein Centre on Translational Addiction Medicine (FCTS), University of Heidelberg, Heidelberg, Germany
| | - Anne Koopmann
- Department of Addictive Behavior and Addiction Medicine, Central Institute of Mental Health (CIMH), Medical Faculty Mannheim/ Heidelberg University, Mannheim, Germany
- Feuerlein Centre on Translational Addiction Medicine (FCTS), University of Heidelberg, Heidelberg, Germany
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Ton ST, Adamczyk NS, Gerling JP, Vaagenes IC, Wu JY, Hsu K, O’Brien TE, Tsai SY, Kartje GL. Dentate Gyrus Proliferative Responses After Traumatic Brain Injury and Binge Alcohol in Adult Rats. Neurosci Insights 2020; 15:2633105520968904. [PMID: 33241218 PMCID: PMC7672731 DOI: 10.1177/2633105520968904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 10/06/2020] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Traumatic brain injury is a significant public health issue that results in serious disability in survivors. Traumatic brain injury patients are often intoxicated with alcohol when admitted to the hospital; however, it is not clear how acute intoxication affects recovery from a traumatic brain injury. Our group has previously shown that binge alcohol prior to traumatic brain injury resulted in long-term impairment in a fine sensorimotor task that was correlated with a decreased proliferative and neuroblast response from the subventricular zone. However, whether binge alcohol prior to traumatic brain injury affects the proliferative response in the hippocampal dentate gyrus is not yet known. METHODS Male rats underwent binge alcohol (3 g/kg/day) by gastric gavage for 3 days prior to traumatic brain injury. Cell proliferation was labeled by BrdU injections following traumatic brain injury. Stereological quantification and immunofluorescence confocal analysis of BrdU+ cells in the hippocampal dorsal dentate gyrus was performed at 24 hours, 1 week and 6 weeks post traumatic brain injury. RESULTS We found that either traumatic brain injury alone or binge alcohol alone significantly increased dentate gyrus proliferation at 24 hours and 1 week. However, a combined binge alcohol and traumatic brain injury regimen resulted in decreased dentate gyrus proliferation at 24 hours post-traumatic brain injury. At the 6 week time point, binge alcohol overall reduced the number of BrdU+ cells. Furthermore, more BrdU+ cells were found in the dentate hilar region of alcohol traumatic brain injury compared to vehicle traumatic brain injury groups. The location and double-labeling of these mismigrated BrdU+ cells was consistent with hilar ectopic granule cells. CONCLUSION The results from this study showed that pre-traumatic brain injury binge alcohol impacts the injury-induced proliferative response in the dentate gyrus in the short-term and may affect the distribution of newly generated cells in the dentate gyrus in the long-term.
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Affiliation(s)
- Son T Ton
- Research Service, Edward Hines Jr. VA Hospital, Hines, IL, USA
- Department of Molecular Pharmacology and Neuroscience, Loyola University Chicago Health Sciences Division, Maywood, IL, USA
| | | | - Jack P Gerling
- Research Service, Edward Hines Jr. VA Hospital, Hines, IL, USA
| | - Ian C Vaagenes
- Research Service, Edward Hines Jr. VA Hospital, Hines, IL, USA
| | - Joanna Y Wu
- Research Service, Edward Hines Jr. VA Hospital, Hines, IL, USA
| | - Kevin Hsu
- Research Service, Edward Hines Jr. VA Hospital, Hines, IL, USA
| | - Timothy E O’Brien
- Department of Mathematics and Statistics, and Institute of Environmental Sustainability, Loyola University Chicago, Chicago, IL, USA
| | - Shih-Yen Tsai
- Research Service, Edward Hines Jr. VA Hospital, Hines, IL, USA
| | - Gwendolyn L Kartje
- Research Service, Edward Hines Jr. VA Hospital, Hines, IL, USA
- Department of Molecular Pharmacology and Neuroscience, Loyola University Chicago Health Sciences Division, Maywood, IL, USA
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Ton ST, Tsai SY, Vaagenes IC, Glavin K, Wu J, Hsu J, Flink HM, Nockels D, O'Brien TE, Kartje GL. Subventricular zone neural precursor cell responses after traumatic brain injury and binge alcohol in male rats. J Neurosci Res 2019; 97:554-567. [PMID: 30614539 PMCID: PMC6599533 DOI: 10.1002/jnr.24382] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 12/12/2018] [Accepted: 12/13/2018] [Indexed: 11/10/2022]
Abstract
Traumatic brain injury (TBI) is a major cause of disability worldwide. Additionally, many TBI patients are intoxicated with alcohol at the time of injury, but the impact of acute intoxication on recovery from brain injury is not well understood. We have previously found that binge alcohol prior to TBI impairs spontaneous functional sensorimotor recovery. However, whether alcohol administration in this setting affects reactive neurogenesis after TBI is not known. This study, therefore, sought to determine the short- and long-term effects of pre-TBI binge alcohol on neural precursor cell responses in the subventricular zone (SVZ) following brain injury in male rats. We found that TBI alone significantly increased proliferation in the SVZ as early as 24 hr after injury. Surprisingly, binge alcohol alone also significantly increased proliferation in the SVZ after 24 hr. However, a combined binge alcohol and TBI regimen resulted in decreased TBI-induced proliferation in the SVZ at 24 hr and 1 week post-TBI. Furthermore, at 6 weeks after TBI, binge alcohol administered at the time of TBI significantly decreased the TBI-induced neuroblast response in the SVZ and the rostral migratory stream (RMS). The results from this study suggest that pre-TBI binge alcohol negatively impacts reparative processes in the brain by decreasing short-term neural precursor cell proliferative responses as well as long-term neuroblasts in the SVZ and RMS.
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Affiliation(s)
- Son T Ton
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
- Department of Molecular Pharmacology and Therapeutics, Loyola University Chicago Health Sciences Division, Maywood, Illinois
| | - Shih-Yen Tsai
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Ian C Vaagenes
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Kelly Glavin
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Joanna Wu
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Jonathan Hsu
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Hannah M Flink
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Daniel Nockels
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
| | - Timothy E O'Brien
- Department of Mathematics and Statistics, Institute of Environmental Sustainability, Loyola University Chicago, Chicago, Illinois
| | - Gwendolyn L Kartje
- Research Service, Edward Hines Jr. VA Hospital, Hines, Illinois
- Department of Molecular Pharmacology and Therapeutics, Loyola University Chicago Health Sciences Division, Maywood, Illinois
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Huber SE, Zoicas I, Reichel M, Mühle C, Büttner C, Ekici AB, Eulenburg V, Lenz B, Kornhuber J, Müller CP. Prenatal androgen receptor activation determines adult alcohol and water drinking in a sex-specific way. Addict Biol 2018; 23:904-920. [PMID: 28776866 DOI: 10.1111/adb.12540] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 06/23/2017] [Accepted: 06/27/2017] [Indexed: 01/16/2023]
Abstract
Alcohol use disorders are major psychiatric disorders. Correlational studies in humans suggested organizational hormonal effects during embryonic development as a risk factor for adult alcohol dependence. Permanent changes can be induced by the activity of sex hormones, like testosterone. Here, we demonstrate a relationship between prenatal androgen receptor (AR)-activation and adult alcohol as well as water drinking in mice in a sex-dependent fashion. Prenatal AR inhibition using the antagonist flutamide decreased adult male alcohol consumption. In contrast, prenatal AR activation by dihydrotestosterone (DHT) led to an increase in adult alcohol consumption in females. These effects were different in adult water drinking, flutamide increased water consumption in females and DHT increased water consumption in males. Prenatal flutamide reduced locomotion and anxiety in adult males but was ineffective in females. We found that prenatal AR activation controls adult levels of monoaminergic modulatory transmitters in the brain and blood hormone levels in a sex-specific way. RNA-Seq analysis confirmed a prenatal AR mediated control of adult expression of alcohol drinking-related genes like Bdnf and Per2. These findings demonstrate that prenatal androgen activity is a risk factor for the establishment of alcohol consumption in adults by its organizational effects.
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Affiliation(s)
- Sabine E. Huber
- Department of Psychiatry and Psychotherapy; University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Iulia Zoicas
- Department of Psychiatry and Psychotherapy; University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Martin Reichel
- Department of Psychiatry and Psychotherapy; University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg; Germany
- Department of Nephrology and Hypertension; Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Christiane Mühle
- Department of Psychiatry and Psychotherapy; University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Christian Büttner
- Institute of Human Genetics; Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Arif B. Ekici
- Institute of Human Genetics; Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Volker Eulenburg
- Institute of Biochemistry; Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Bernd Lenz
- Department of Psychiatry and Psychotherapy; University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Johannes Kornhuber
- Department of Psychiatry and Psychotherapy; University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg; Germany
| | - Christian P. Müller
- Department of Psychiatry and Psychotherapy; University Clinic, Friedrich-Alexander-University Erlangen-Nuremberg; Germany
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García-Marchena N, Silva-Peña D, Martín-Velasco AI, Villanúa MÁ, Araos P, Pedraz M, Maza-Quiroga R, Romero-Sanchiz P, Rubio G, Castilla-Ortega E, Suárez J, Rodríguez de Fonseca F, Serrano A, Pavón FJ. Decreased plasma concentrations of BDNF and IGF-1 in abstinent patients with alcohol use disorders. PLoS One 2017; 12:e0187634. [PMID: 29108028 PMCID: PMC5673472 DOI: 10.1371/journal.pone.0187634] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 10/23/2017] [Indexed: 12/27/2022] Open
Abstract
The identification of growth factors as potential biomarkers in alcohol addiction may help to understand underlying mechanisms associated with the pathogenesis of alcohol use disorders (AUDs). Previous studies have linked growth factors to neural plasticity in neurocognitive impairment and mental disorders. In order to further clarify the impact of chronic alcohol consumption on circulating growth factors, a cross-sectional study was performed in abstinent AUD patients (alcohol group, N = 91) and healthy control subjects (control group, N = 55) to examine plasma concentrations of brain-derived neurotrophic factor (BDNF), insulin-like growth factor-1 (IGF-1) and IGF-1 binding protein-3 (IGFBP-3). The association of these plasma peptides with relevant AUD-related variables and psychiatric comorbidity was explored. The alcohol group was diagnosed with severe AUD and showed an average of 13 years of problematic use and 10 months of abstinence at the moment of participating in the study. Regarding common medical conditions associated with AUD, we observed an elevated incidence of alcohol-induced liver and pancreas diseases (18.7%) and psychiatric comorbidity (76.9%). Thus, AUD patients displayed a high prevalence of dual diagnosis (39.3%) [mainly depression (19.9%)] and comorbid substance use disorders (40.7%). Plasma BDNF and IGF-1 concentrations were significantly lower in the alcohol group than in the control group (p<0.001). Remarkably, there was a negative association between IGF-1 concentrations and age in the control group (r = -0.52, p<0.001) that was not found in the alcohol group. Concerning AUD-related variables, AUD patients with liver and pancreas diseases showed even lower concentrations of BDNF (p<0.05). In contrast, the changes in plasma concentrations of these peptides were not associated with abstinence, problematic use, AUD severity or lifetime psychiatric comorbidity. These results suggest that further research is necessary to elucidate the role of BDNF in alcohol-induced toxicity and the biological significance of the lack of correlation between age and plasma IGF-1 levels in abstinent AUD patients.
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Affiliation(s)
- Nuria García-Marchena
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Daniel Silva-Peña
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | | | - María Ángeles Villanúa
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense de Madrid, Madrid, Spain
| | - Pedro Araos
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - María Pedraz
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Rosa Maza-Quiroga
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Pablo Romero-Sanchiz
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Gabriel Rubio
- Instituto i+12, Hospital Universitario 12 de Octubre, Madrid, Spain
| | - Estela Castilla-Ortega
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Juan Suárez
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
| | - Fernando Rodríguez de Fonseca
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
- * E-mail: (FRF); (AS); (FJP)
| | - Antonia Serrano
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
- * E-mail: (FRF); (AS); (FJP)
| | - Francisco Javier Pavón
- Unidad Gestión Clínica de Salud Mental, Instituto de Investigación Biomédica de Málaga (IBIMA), Hospital Regional Universitario de Málaga, Universidad de Málaga, Málaga, Spain
- * E-mail: (FRF); (AS); (FJP)
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O'Brien JW, Hill SY. Neural predictors of substance use disorders in Young adulthood. Psychiatry Res 2017; 268:22-26. [PMID: 28843088 PMCID: PMC5604841 DOI: 10.1016/j.pscychresns.2017.08.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 08/16/2017] [Accepted: 08/17/2017] [Indexed: 12/22/2022]
Abstract
Offspring from multiplex, alcohol-dependent families are at heightened risk for substance use disorders (SUDs) in adolescence and young adulthood. These high-risk offspring have also been shown to have atypical structure and function of brain regions implicated in emotion regulation, social cognition, and reward processing. This study assessed the relationship between amygdala and orbitofrontal cortex (OFC) volumes obtained in adolescence and SUD outcomes in young adulthood among high-risk offspring and low-risk controls. A total of 78 participants (40 high-risk; 38 low-risk) from a longitudinal family study, ages 8-19, underwent magnetic resonance imaging; volumes of the amygdala and OFC were obtained with manual tracing. SUD outcomes were assessed at approximately yearly intervals. Cox regression survival analyses were used to assess the effect of regional brain volumes on SUD outcomes. The ratio of OFC to amygdala volume significantly predicted SUD survival time across the sample; reduction in survival time was seen in those with smaller ratios for both high-risk and low-risk groups. Morphology of prefrontal relative to limbic regions in adolescence prospectively predicts age of onset for substance use disorders.
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Affiliation(s)
- Jessica W O'Brien
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Psychology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Shirley Y Hill
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA; Department of Psychology, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
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Vekshina NL, Anokhin PK, Veretinskaya AG, Shamakina IY. Dopamine D1–D2 receptor heterodimers: A literature review. BIOCHEMISTRY MOSCOW-SUPPLEMENT SERIES B-BIOMEDICAL CHEMISTRY 2017. [DOI: 10.1134/s199075081702010x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Yardley MM, Ray LA. Medications development for the treatment of alcohol use disorder: insights into the predictive value of animal and human laboratory models. Addict Biol 2017; 22:581-615. [PMID: 26833803 DOI: 10.1111/adb.12349] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 11/09/2015] [Accepted: 11/13/2015] [Indexed: 12/20/2022]
Abstract
Development of effective treatments for alcohol use disorder (AUD) represents an important public health goal. This review provides a summary of completed preclinical and clinical studies testing pharmacotherapies for the treatment of AUD. We discuss opportunities for improving the translation from preclinical findings to clinical trial outcomes, focusing on the validity and predictive value of animal and human laboratory models of AUD. Specifically, while preclinical studies of medications development have offered important insights into the neurobiology of the disorder and alcohol's molecular targets, limitations include the lack of standardized methods and streamlined processes whereby animal studies can readily inform human studies. Behavioral pharmacology studies provide a less expensive and valuable opportunity to assess the feasibility of a pharmacotherapy prior to initiating larger scale clinical trials by providing insights into the mechanism of the drug, which can then inform recruitment, analyses, and assessments. Summary tables are provided to illustrate the wide range of preclinical, human laboratory, and clinical studies of medications development for alcoholism. Taken together, this review highlights the challenges associated with animal paradigms, human laboratory studies, and clinical trials with the overarching goal of advancing treatment development and highlighting opportunities to bridge the gap between preclinical and clinical research.
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Affiliation(s)
- Megan M. Yardley
- Department of Psychology; University of California, Los Angeles; Los Angeles CA USA
| | - Lara A. Ray
- Department of Psychology; University of California, Los Angeles; Los Angeles CA USA
- Department of Psychiatry and Biobehavioral Sciences; University of California, Los Angeles; Los Angeles CA USA
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10
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Vekshina N, Anokhin P, Veretinskaya A, Shamakina I. Heterodimeric D1-D2 dopamine receptors: a review. ACTA ACUST UNITED AC 2017. [DOI: 10.18097/pbmc20176301005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
This review summarizes modern data on the structure and functions ofheteromersformed by D1 and D2 dopamine receptors focusing on their role in the mechanisms of drug dependence. This article discusses potential functional significance of heterodimeric D1-D2 dopamine receptorsdue to their localization in the brain as well as unique pharmacological propertiesversus constituent monomers. It is shown that heteromerization results in dramatic changes in activated signaling pathways compare to the corresponding monomers. These studies update our current knowledge of ligand-receptor interactions and provide better understanding of dopamine receptors pharmacology. Furthermore elucidation of significance of heterodimeric D1-D2 dopamine receptors as drug targets is important for the development of new effective drug addiction treatment.
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Affiliation(s)
- N.L. Vekshina
- V.P. Serbsky Federal Medical Research Center on Psychiatry and Narcology, Moscow, Russia
| | - P.K. Anokhin
- V.P. Serbsky Federal Medical Research Center on Psychiatry and Narcology, Moscow, Russia
| | - A.G. Veretinskaya
- V.P. Serbsky Federal Medical Research Center on Psychiatry and Narcology, Moscow, Russia
| | - I.Yu. Shamakina
- V.P. Serbsky Federal Medical Research Center on Psychiatry and Narcology, Moscow, Russia
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11
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Lhullier AC, Moreira FP, da Silva RA, Marques MB, Bittencourt G, Pinheiro RT, Souza LDM, Portela LV, Lara DR, Jansen K, Wiener CD, Oses JP. Increased serum neurotrophin levels related to alcohol use disorder in a young population sample. Alcohol Clin Exp Res 2016; 39:30-3. [PMID: 25623403 DOI: 10.1111/acer.12592] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2014] [Accepted: 10/01/2014] [Indexed: 02/02/2023]
Abstract
BACKGROUND The diagnosis of alcohol use disorder is based on clinical signs and on the measurement of biological markers. However, these markers are neither sufficiently sensitive, nor specific enough, for determining the effects of alcohol abuse on the central nervous system. Serum neurotrophins are important regulators of neural survival, development, function, and plasticity and have been found to be reduced in alcohol use disorder. The aim of this study was to investigate the alterations in serum neurotrophin levels (brain-derived neurotrophic factor [BDNF], glial-derived neurotrophic factor [GDNF], and nerve growth factor [NGF]) in alcohol use disorder in a young population, and thus possibly representing the early stages of the illness. METHODS This is a cross-sectional study, nested in a population-based study of people aged 18 to 35, involving 795 participants. The participants responded to the CAGE questionnaire, and a CAGE score of ≥2 was considered to be a positive screen for the abuse/dependence or moderate to severe alcohol use disorder. Serum BDNF, GDNF, and NGF levels were measured by ELISA. RESULTS In the CAGE ≥ 2 group, GDNF (p ≤ 0.001) and NGF (p ≤ 0.001) serum levels were significantly increased, and the BDNF elevation was near a statistical significance (p = 0.068) when compared to the CAGE < 2 group. A significantly positive correlation was observed only in the CAGE ≥ 2 group for BDNF/GDNF (r = 0.37, p < 0.001) and GDNF/NGF (r = 0.84, p < 0.001) levels. The correlation between the NGF and BDNF levels was significantly positive in both groups (r = 0.28, p < 0.001 for the CAGE < 2 group, and r = 0.30, p = 0.008 for the CAGE ≥ 2 group). CONCLUSIONS These results suggest that elevated neurotrophins are candidate markers for the early stages of alcohol misuse.
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Affiliation(s)
- Alfredo C Lhullier
- Escola de Psicologia, Centro de Ciências da Vida e da Saúde, Universidade Católica de Pelotas, Pelotas, Brazil
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12
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Han C, Ahn D, Hahm W, Nam J, Park Y, Lim S, Kim DJ. Serum Levels of Growth Factors in Alcohol-dependent Patients according to Comorbid Depressive Symptoms. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2016; 14:43-8. [PMID: 26792039 PMCID: PMC4730941 DOI: 10.9758/cpn.2016.14.1.43] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Revised: 06/08/2015] [Accepted: 06/09/2015] [Indexed: 11/18/2022]
Abstract
OBJECTIVE This study aims to reveal the relationship of depression with growth factors such as brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), and insulin-like growth factor-1 (IGF-1) in inpatients diagnosed with alcohol dependence, and to identify candidate growth factors as biological markers to indicate the comorbid of alcohol dependence and depression. METHODS This study examined demographic factors in 45 alcohol-dependent patients. The ADS (Korean version of the Alcohol Dependence Scale) and BDI (Korean version of Beck's Depression Inventory) were used. BDNF, NGF, and IGF-1 were measured through ELISA. RESULTS The average drinking quantity and the ADS score were significantly more severe in alcohol-dependent patients with depression than in those without depression. Linearly comparing BDNF, NGF, and IGF-1 with BDI values, IGF-1 was the growth factor significantly correlated with BDI scores. BDI scores were significantly correlated with ADS scores. IGF-1 was significantly higher in alcohol-dependent patients with depression. Alcohol-dependent patients with depression had greater alcohol use and more severe ADS scores. BDNF and NGF showed no significant difference between alcohol-dependent patients with and without depression, but IGF-1 was significantly higher in those with than in those without depression. CONCLUSION IGF-1 was found to be associated with depression in alcohol-dependent patients, suggesting that IGF-1 in alcohol- dependent patients could be an important biomarker to indicate whether alcohol-dependence is accompanied by depression.
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Affiliation(s)
- Changwoo Han
- Department of Psychiatry, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Donghyun Ahn
- Department of Neuropsychiatry, Hanyang University College of Medicine and Institute of Mental Health, Seoul, Korea
| | - Woong Hahm
- Department of Neuropsychiatry, Keyo Hospital, Uiwang, Korea
| | - Junghyun Nam
- Department of Neuropsychiatry, Hanyang University College of Medicine and Institute of Mental Health, Seoul, Korea
| | - Yongchon Park
- Department of Neuropsychiatry, Hanyang University College of Medicine and Institute of Mental Health, Seoul, Korea
| | - Seulgi Lim
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Dai-Jin Kim
- Department of Psychiatry, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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13
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Mons N, Beracochea D. Behavioral Neuroadaptation to Alcohol: From Glucocorticoids to Histone Acetylation. Front Psychiatry 2016; 7:165. [PMID: 27766083 PMCID: PMC5052254 DOI: 10.3389/fpsyt.2016.00165] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Accepted: 09/21/2016] [Indexed: 01/21/2023] Open
Abstract
A prime mechanism that contributes to the development and maintenance of alcoholism is the dysregulation of the hypothalamic-pituitary-adrenal axis activity and the release of glucocorticoids (cortisol in humans and primates, corticosterone in rodents) from the adrenal glands. In the brain, sustained, local elevation of glucocorticoid concentration even long after cessation of chronic alcohol consumption compromises functional integrity of a circuit, including the prefrontal cortex (PFC), the hippocampus (HPC), and the amygdala (AMG). These structures are implicated in learning and memory processes as well as in orchestrating neuroadaptive responses to stress and anxiety responses. Thus, potentiation of anxiety-related neuroadaptation by alcohol is characterized by an abnormally AMG hyperactivity coupled with a hypofunction of the PFC and the HPC. This review describes research on molecular and epigenetic mechanisms by which alcohol causes distinct region-specific adaptive changes in gene expression patterns and ultimately leads to a variety of cognitive and behavioral impairments on prefrontal- and hippocampal-based tasks. Alcohol-induced neuroadaptations involve the dysregulation of numerous signaling cascades, leading to long-term changes in transcriptional profiles of genes, through the actions of transcription factors such as [cAMP response element-binding protein (CREB)] and chromatin remodeling due to posttranslational modifications of histone proteins. We describe the role of prefrontal-HPC-AMG circuit in mediating the effects of acute and chronic alcohol on learning and memory, and region-specific molecular and epigenetic mechanisms involved in this process. This review first discusses the importance of brain region-specific dysregulation of glucocorticoid concentration in the development of alcohol dependence and describes how persistently increased glucocorticoid levels in PFC may be involved in mediating working memory impairments and neuroadaptive changes during withdrawal from chronic alcohol intake. It then highlights the role of cAMP-PKA-CREB signaling cascade and histone acetylation within the PFC and limbic structures in alcohol-induced anxiety and behavioral impairments, and how an understanding of functional alterations of these pathways might lead to better treatments for neuropsychiatric disorders.
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Affiliation(s)
- Nicole Mons
- CNRS UMR 5287, Institut des Neurosciences cognitives et intégratives d'Aquitaine, Nouvelle Université de Bordeaux , Pessac , France
| | - Daniel Beracochea
- CNRS UMR 5287, Institut des Neurosciences cognitives et intégratives d'Aquitaine, Nouvelle Université de Bordeaux , Pessac , France
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14
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Xu R, Duan SR, Zhao JW, Wang CY. Changes in expression of BDNF and its receptors TrkB and p75NTR in the hippocampus of a dog model of chronic alcoholism and abstinence. ACTA ACUST UNITED AC 2015; 48:703-10. [PMID: 26108098 PMCID: PMC4541689 DOI: 10.1590/1414-431x20154412] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2014] [Accepted: 01/16/2015] [Indexed: 01/05/2023]
Abstract
Chronic ethanol consumption can produce learning and memory deficits. Brain-derived
neurotrophic factor (BDNF) and its receptors affect the pathogenesis of alcoholism.
In this study, we examined the expression of BDNF, tropomyosin receptor kinase B
(TrkB) and p75 neurotrophin receptor (p75NTR) in the hippocampus of a dog model of
chronic alcoholism and abstinence. Twenty domestic dogs (9-10 months old, 15-20 kg;
10 males and 10 females) were obtained from Harbin Medical University. A stable
alcoholism model was established through ad libitum feeding, and
anti-alcohol drug treatment (Zhong Yao Jie Jiu Ling, the main ingredient was the
stems of watermelon; developed in our laboratory), at low- and high-doses, was
carried out. The Zhong Yao Jie Jiu Ling was effective for the alcoholism in dogs. The
morphology of hippocampal neurons was evaluated using hematoxylin-eosin staining. The
number and morphological features of BDNF, TrkB and p75NTR-positive neurons in the
dentate gyrus (DG), and the CA1, CA3 and CA4 regions of the hippocampus were observed
using immunohistochemistry. One-way ANOVA was used to determine differences in BDNF,
TrkB and p75NTR expression. BDNF, TrkB and p75NTR-positive cells were mainly
localized in the granular cell layer of the DG and in the pyramidal cell layer of the
CA1, CA3 and CA4 regions (DG>CA1>CA3>CA4). Expression levels of both BDNF
and TrkB were decreased in chronic alcoholism, and increased after abstinence. The
CA4 region appeared to show the greatest differences. Changes in p75NTR expression
were the opposite of those of BDNF and TrkB, with the greatest differences observed
in the DG and CA4 regions.
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Affiliation(s)
- R Xu
- Neurology Ward of Internal Medicine, Hospital of Harbin Medical University, Heilongjiang Province, Harbin, China
| | - S R Duan
- Neurology Ward of Internal Medicine, Hospital of Harbin Medical University, Heilongjiang Province, Harbin, China
| | - J W Zhao
- Neurology Ward of Internal Medicine, Hospital of Harbin Medical University, Heilongjiang Province, Harbin, China
| | - C Y Wang
- Neurology Ward of Internal Medicine, Hospital of Harbin Medical University, Heilongjiang Province, Harbin, China
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15
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Lichenstein SD, Jones BL, O'Brien JW, Zezza N, Stiffler S, Holmes B, Hill SY. Familial risk for alcohol dependence and developmental changes in BMI: the moderating influence of addiction and obesity genes. Pharmacogenomics 2015; 15:1311-21. [PMID: 25155933 DOI: 10.2217/pgs.14.86] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
AIM Familial loading for alcohol dependence (AD) and variation in genes reported to be associated with AD or BMI were tested in a longitudinal study. MATERIALS & METHODS Growth curve analyses of BMI data collected at approximately yearly intervals and obesity status (BMI > 30) were examined. RESULTS High-risk males were found to have higher BMI than low-risk males, beginning at age 15 years (2.0 kg/m(2) difference; p = 0.046), persisting through age 19 years (3.3 kg/m(2) difference; p = 0.005). CHRM2 genotypic variance predicted longitudinal BMI and obesity status. Interactions with risk status and sex were also observed for DRD2 and FTO gene variation. CONCLUSION Variation at loci implicated in addiction may be influential in determining susceptibility to increased BMI in childhood and adolescence.
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Affiliation(s)
- Sarah D Lichenstein
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA, 15213, USA
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16
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Han C, Bae H, Won SD, Roh S, Kim DJ. The relationship between brain-derived neurotrophic factor and cognitive functions in alcohol-dependent patients: a preliminary study. Ann Gen Psychiatry 2015; 14:30. [PMID: 26405456 PMCID: PMC4581104 DOI: 10.1186/s12991-015-0065-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Accepted: 09/08/2015] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND As a neurotoxic substance, alcohol can induce neurodegenesis in the brain. Alcohol-dependent patients' cognitive functioning can be affected by chronic alcohol use. In addition, brain-derived neurotrophic factor (BDNF) is known to reflect the status of neuroadaptive changes. The purpose of this study was to investigate the relationship between cognitive functions and BDNF in alcohol-dependent patients. METHODS The subjects were 39 alcohol-dependent patients. BDNF was measured using an enzyme-linked immunosorbent assay kit. We examined clinical features and administered the Korean version of Alcohol Dependence Scale. We also used the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) to measure cognitive functioning. Then, we determined the relationships between BDNF and various parts of the CERAD. RESULTS The performance of alcohol-dependent patients proved stable in most parts of the CERAD. Within the different parts of the CERAD, only Trail Making Test B correlated with BDNF. Trail Making Test specifically assesses executive functions. CONCLUSIONS BDNF might play an important role in the detection of neurocognitive function among individuals with alcohol dependence.
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Affiliation(s)
- Changwoo Han
- Department of Psychiatry, College of Medicine, Korea University, Ansan Hospital, Ansan, Korea
| | - Hwallip Bae
- Department of Psychiatry, Seonam University, Myongji Hospital, Goyang, Korea
| | - Sung-Doo Won
- Keyo Medical Foundation, Keyo Hospital, Uiwang, Korea
| | - Sungwon Roh
- Department of Mental Health Research, Seoul National Hospital, Seoul, Korea
| | - Dai-Jin Kim
- Department of Psychiatry, Seoul St. Mary's Hospital, The Catholic University of Korea College of Medicine, Seoul, 137-701 Korea
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17
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Giese M, Unternaehrer E, Brand S, Calabrese P, Holsboer-Trachsler E, Eckert A. The interplay of stress and sleep impacts BDNF level. PLoS One 2013; 8:e76050. [PMID: 24146812 PMCID: PMC3797810 DOI: 10.1371/journal.pone.0076050] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 08/20/2013] [Indexed: 11/18/2022] Open
Abstract
Background Sleep plays a pivotal role in normal biological functions. Sleep loss results in higher stress vulnerability and is often found in mental disorders. There is evidence that brain-derived neurotrophic factor (BDNF) could be a central player in this relationship. Recently, we could demonstrate that subjects suffering from current symptoms of insomnia exhibited significantly decreased serum BDNF levels compared with sleep-healthy controls. In accordance with the paradigm indicating a link between sleep and BDNF, we aimed to investigate if the stress system influences the association between sleep and BDNF. Methodology/Principal Findings Participants with current symptoms of insomnia plus a former diagnosis of Restless Legs Syndrome (RLS) and/or Periodic Limb Movement (PLM) and sleep healthy controls were included in the study. They completed questionnaires on sleep (ISI, Insomnia Severity Index) and stress (PSS, Perceived Stress Scale) and provided a blood sample for determination of serum BDNF. We found a significant interaction between stress and insomnia with an impact on serum BDNF levels. Moreover, insomnia severity groups and score on the PSS each revealed a significant main effect on serum BDNF levels. Insomnia severity was associated with increased stress experience affecting serum BDNF levels. Of note, the association between stress and BDNF was only observed in subjects without insomnia. Using a mediation model, sleep was revealed as a mediator of the association between stress experience and serum BDNF levels. Conclusions This is the first study to show that the interplay between stress and sleep impacts BDNF levels, suggesting an important role of this relationship in the pathogenesis of stress-associated mental disorders. Hence, we suggest sleep as a key mediator at the connection between stress and BDNF. Whether sleep is maintained or disturbed might explain why some individuals are able to handle a certain stress load while others develop a mental disorder.
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Affiliation(s)
- Maria Giese
- Neurobiology Laboratory for Brain Aging and Mental Health, Psychiatric University Clinics, University of Basel, Basel, Switzerland
- Transfaculty Research Platform, Molecular and Cognitive Neuroscience, Univ. of Basel, Basel, Switzerland
| | - Eva Unternaehrer
- Division of Molecular and Cognitive Neuroscience, University of Basel, Basel, Switzerland
- Department of Clinical Psychology and Epidemiology, University of Basel, Basel, Switzerland
| | - Serge Brand
- Division of Molecular and Cognitive Neuroscience, University of Basel, Basel, Switzerland
- Depression and Sleep Research Unit, Psychiatric University Clinics, University of Basel, Basel, Switzerland
| | - Pasquale Calabrese
- Division of Molecular and Cognitive Neuroscience, University of Basel, Basel, Switzerland
- Transfaculty Research Platform, Molecular and Cognitive Neuroscience, Univ. of Basel, Basel, Switzerland
| | - Edith Holsboer-Trachsler
- Depression and Sleep Research Unit, Psychiatric University Clinics, University of Basel, Basel, Switzerland
| | - Anne Eckert
- Neurobiology Laboratory for Brain Aging and Mental Health, Psychiatric University Clinics, University of Basel, Basel, Switzerland
- Transfaculty Research Platform, Molecular and Cognitive Neuroscience, Univ. of Basel, Basel, Switzerland
- * E-mail:
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18
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Benzerouk F, Gierski F, Gorwood P, Ramoz N, Stefaniak N, Hübsch B, Kaladjian A, Limosin F. Brain-derived neurotrophic factor (BDNF) Val66Met polymorphism and its implication in executive functions in adult offspring of alcohol-dependent probands. Alcohol 2013; 47:271-4. [PMID: 23582695 DOI: 10.1016/j.alcohol.2013.03.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 01/25/2013] [Accepted: 03/16/2013] [Indexed: 10/27/2022]
Abstract
Impairment of executive functions (EFs) mediated by the prefrontal lobe is regarded as a cognitive endophenotype of alcohol dependence, being observed both in probands and in healthy offspring. Given its impact on the anatomy of the prefrontal cortex, the brain-derived neurotrophic factor (BDNF) Val66Met polymorphism may well be involved in this specific endophenotype. Forty-six healthy adult children of alcoholics (HACA) and 82 healthy controls (HC) took part in the study. All the participants were assessed with the Diagnostic Interview for Genetic Studies, and their family histories of alcohol and substance use were assessed with the Family Informant Schedule and Criteria. The Trail Making Test, Arithmetic Switching Task, Stroop Color-Word Test and Wisconsin Card Sorting Test were administered to assess EFs. An overall executive factor score was calculated using factorial analyses. Genotyping of the BDNF Val66Met polymorphism was performed using the TaqMan® allelic discrimination assay. HACA had significantly lower EFs performance than HC. Genetic analysis showed that BDNF genotype distributions were in Hardy-Weinberg equilibrium in the HACA and HC. Genotype and allele distributions did not differ significantly between the two groups. Participants with the Met allele performed significantly more poorly than participants with the Val allele, and a group by allele interaction was observed, the BDNF Met allele being associated with a poorer executive factor score in the HACA group. These results suggest that the BDNF Val66Met polymorphism may contribute to alcohol dependence vulnerability via lower EFs performance.
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19
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Zheng H, Law PY, Loh HH. Non-Coding RNAs Regulating Morphine Function: With Emphasis on the In vivo and In vitro Functions of miR-190. Front Genet 2012; 3:113. [PMID: 22715342 PMCID: PMC3375446 DOI: 10.3389/fgene.2012.00113] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Accepted: 05/30/2012] [Indexed: 11/22/2022] Open
Abstract
Non-coding RNAs (ncRNAs), especially microRNAs, are reported to be involved in a variety of biological processes, including several processes related to drug addiction. It has been suggested that the biological functions of opioids, one typical type of addictive drugs, are regulated by ncRNAs. In the current review, we examine a variety of mechanisms through which ncRNAs could regulate μ-opioid receptor (OPRM1) activities and thereby contribute to the development of opioid addiction. Using miR-23b as an example, we present the possible ways in which ncRNA-mediated regulation of OPRM1 expression could impact opioid addiction. Using miR-190 as an example, we demonstrate the critical roles played by ncRNAs in the signal cascade from receptor to systemic responses, including the possible modulation of adult neurogenesis and in vivo contextual memory. After discussing the possible targets of ncRNAs involved in the development of opioid addiction, we summarize the mechanisms underlying the interaction between ncRNAs and opioid addiction and present suggestions for further study.
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Affiliation(s)
- Hui Zheng
- Key Laboratory of Regenerative Biology, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences Guangzhou, China
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20
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Cerebellum volume in high-risk offspring from multiplex alcohol dependence families: association with allelic variation in GABRA2 and BDNF. Psychiatry Res 2011; 194:304-313. [PMID: 22047728 PMCID: PMC3293653 DOI: 10.1016/j.pscychresns.2011.05.006] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2011] [Revised: 05/15/2011] [Accepted: 05/16/2011] [Indexed: 01/21/2023]
Abstract
Offspring from families with multiple cases of alcohol dependence have a greater likelihood of developing alcohol dependence (AD) and related substance use disorders. Greater susceptibility for developing these disorders may be related to structural differences in brain circuits that influence the salience of rewards or modify the efficiency of information processing and AD susceptibility. We examined the cerebellum of 71 adolescent/young adult high-risk (HR) offspring from families with multiple cases of alcohol dependence (multiplex families), and 60 low-risk (LR) controls with no family history of alcohol or drug dependence who were matched for age, gender, socioeconomic status and IQ, with attention given to possible effects of personal use of substances and maternal use during pregnancy. Magnetic resonance images were acquired on a General Electric 1.5-Tesla scanner and manually traced (BRAINS2) blind to clinical information. GABRA2 and BDNF variation were tested for their association with cerebellar volumes. High-risk offspring from multiplex AD families showed greater total volume of the cerebellum and total gray matter (GM), in comparison with LR controls. An interaction between allelic variation in GABRA2 and BDNF genes was associated with GM volumes, suggesting that inherited variation in these genes may promote early developmental differences in neuronal proliferation of the cerebellum.
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21
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Su N, Zhang L, Fei F, Hu H, Wang K, Hui H, Jiang XF, Li X, Zhen HN, Li J, Cao BP, Dang W, Qu Y, Zhou F. The brain-derived neurotrophic factor is associated with alcohol dependence-related depression and antidepressant response. Brain Res 2011; 1415:119-26. [PMID: 21880305 DOI: 10.1016/j.brainres.2011.08.005] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2011] [Revised: 07/14/2011] [Accepted: 08/03/2011] [Indexed: 11/30/2022]
Abstract
Brain-derived neurotrophic factor (BDNF) plays an essential role in neuronal survival, proliferation, and synaptic remodeling and modulates the function of many other neurotransmitters. Additionally, it likely underlies neurodegenerative and psychiatric disorders, including alcohol dependence-related depression (AD-D). Here, we investigated the possible association between three single nucleotide polymorphisms (SNPs) of the BDNF gene (rs13306221, rs6265, rs16917204) and AD-D. Of 548 patients with alcohol dependence (AD), 166 had AD-D and 312 healthy controls. Response to 8-week sertraline treatment was also assessed. The frequency of the A allele of rs6265 (Val66Met) was significantly higher in AD-D patients than in the healthy controls (p=0.009 after Bonferroni correction). The analysis revealed a strong association between the rs6265 genotype distribution and AD-D (p=0.005 after Bonferroni correction), and the A allele of rs6265 was significantly overrepresented in AD-D patients compared to AD without depression (AD-nD) patients (p=0.001 after Bonferroni correction). Additionally, carriers of the A allele of rs6265 responded better to sertraline treatment (p=0.001). Our results suggested a novel association between BDNF rs6265 and AD-D. These findings might lead to earlier detection of AD-D, perhaps providing better tools for clinical care of these patients in the future.
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Affiliation(s)
- N Su
- Department of Neurosurgery, Xi Jing Hospital, Fourth Military Medical University, Xi'an, Shannxi, PR China.
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Chatterjee S, Bartlett SE. Neuronal nicotinic acetylcholine receptors as pharmacotherapeutic targets for the treatment of alcohol use disorders. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2010; 9:60-76. [PMID: 20201817 DOI: 10.2174/187152710790966597] [Citation(s) in RCA: 84] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2009] [Accepted: 12/13/2009] [Indexed: 12/20/2022]
Abstract
Alcohol use disorders (AUDs) are complex, and developing effective treatments will require the combination of novel medications and cognitive behavioral therapy approaches. Epidemiological studies have shown there is a high correlation between alcohol consumption and tobacco use, and the prevalence of smoking in alcoholics is as high as 80% compared to about 30% for the general population. Both preclinical and clinical data provide evidence that nicotine administration increases alcohol intake and non-specific nicotinic receptor antagonists reduce alcohol-mediated behaviors. As nicotine interacts specifically with the neuronal nicotinic acetylcholine receptor (nAChR) system, this suggests that nAChRs play an important role in the behavioral effects of alcohol. In this review, we discuss the importance of nAChRs for the treatment of AUDs and argue that the use of FDA approved nAChR ligands, such as varenicline and mecamylamine, approved as smoking cessation aids may prove to be valuable treatments for AUDs. We also address the importance of combining effective medications with behavioral therapy for the treatment of alcohol dependent individuals.
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Affiliation(s)
- S Chatterjee
- Ernest Gallo Clinic and Research Center at the University of California San Francisco, 5858 Horton Street, Suite 200 Emeryville, CA 94608, USA
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McGinty JF, Whitfield TW, Berglind WJ. Brain-derived neurotrophic factor and cocaine addiction. Brain Res 2010; 1314:183-93. [PMID: 19732758 PMCID: PMC2819624 DOI: 10.1016/j.brainres.2009.08.078] [Citation(s) in RCA: 168] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2009] [Revised: 08/18/2009] [Accepted: 08/23/2009] [Indexed: 12/23/2022]
Abstract
The effects of brain-derived neurotrophic factor (BDNF) on cocaine-seeking are brain region-specific. Infusion of BDNF into subcortical structures, like the nucleus accumbens and ventral tegmental area, enhances cocaine-induced behavioral sensitization and cocaine-seeking. Conversely, repeated administration of BDNF antiserum into the nucleus accumbens during chronic cocaine self-administration attenuates cocaine-induced reinstatement. In contrast, BDNF infusion into the dorsomedial prefrontal cortex immediately following a final session of cocaine self-administration attenuates relapse to cocaine-seeking after abstinence, as well as cue- and cocaine prime-induced reinstatement of cocaine-seeking following extinction. BDNF-induced alterations in the ERK-MAP kinase cascade and in prefronto-accumbens glutamatergic transmission are implicated in BDNF's ability to alter cocaine-seeking. Within 22 hours after infusion into the prefrontal cortex, BDNF increases BDNF protein in prefrontal cortical targets, including nucleus accumbens, and restores cocaine-mediated decreases in phospho-ERK expression in the nucleus accumbens. Furthermore, 3 weeks after BDNF infusion in animals with a cocaine self-administration history, suppressed basal levels of glutamate are normalized and a cocaine prime-induced increase in extracellular glutamate levels in the nucleus accumbens is prevented. Thus, BDNF may have local effects at the site of infusion and distal effects in target areas that are critical to mediating or preventing cocaine-induced dysfunctional neuroadaptations.
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Affiliation(s)
- Jacqueline F McGinty
- Department of Neurosciences, Medical University of South Carolina, 173 Ashley Ave MSC 510, Charleston, SC 29425, USA.
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Hill SY. Neural plasticity, human genetics, and risk for alcohol dependence. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2010; 91:53-94. [PMID: 20813240 DOI: 10.1016/s0074-7742(10)91003-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Opportunities for advances in the neurobiology of alcohol dependence have been facilitated by the development of sophisticated neurophysiological and neuroimaging techniques that allow us to have a window on developmental changes in brain structure and function. The search for genes that may increase susceptibility to alcohol dependence has been greatly facilitated by the recognition that intermediate phenotypes, sometimes referred to as endophenotypes, may be closer to the genetic variation than is the more complex alcohol dependence phenotype. This chapter will review the evidence that the brain is highly plastic, exhibiting major postnatal changes, especially during adolescence, in neural circuits that appear to influence addiction susceptibility. This chapter will suggest that heritable aspects of brain structure and function that are seen developmentally may be an important endophenotypic characteristic associated with familial risk for developing alcohol dependence. Finally, a review of studies showing associations between brain structural and functional characteristics and specific genes will be offered.
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Affiliation(s)
- Shirley Y Hill
- Department of Psychiatry, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA
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Addolorato G, Leggio L, Hillemacher T, Kraus T, Jerlhag E, Bleich S. Hormones and drinking behaviour: new findings on ghrelin, insulin, leptin and volume-regulating hormones. An ESBRA Symposium report. Drug Alcohol Rev 2009; 28:160-5. [PMID: 19320701 DOI: 10.1111/j.1465-3362.2008.00023.x] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
There is growing evidence for a role of appetite-related peptides and volume-regulating hormones in alcoholism. In particular, recent evidence has suggested that hormones, such as ghrelin, insulin and leptin and volume-regulating hormones, could play a role in alcohol-seeking behaviour. The goal of this review is to discuss the results of recent preclinical and clinical investigations on this topic. The findings indicate that neuroendocrinological mechanisms are potentially involved in the neurobiology of alcohol craving. Accordingly, research on this topic could lead to possible development of new therapeutic approaches in the treatment of patients with alcohol problems.
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Affiliation(s)
- Giovanni Addolorato
- Institute of Internal Medicine, Catholic University of Rome, Largo A. Gemelli 8, Rome, Italy.
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Lu L, Wang X, Wu P, Xu C, Zhao M, Morales M, Harvey BK, Hoffer BJ, Shaham Y. Role of ventral tegmental area glial cell line-derived neurotrophic factor in incubation of cocaine craving. Biol Psychiatry 2009; 66:137-45. [PMID: 19345340 PMCID: PMC3150198 DOI: 10.1016/j.biopsych.2009.02.009] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2009] [Accepted: 02/19/2009] [Indexed: 02/05/2023]
Abstract
BACKGROUND Ventral tegmental area (VTA) brain-derived neurotrophic factor (BDNF) contributes to time-dependent increases in cue-induced cocaine seeking after withdrawal (incubation of cocaine craving). Here, we studied the role of glial cell line-derived neurotrophic factor (GDNF) in incubation of cocaine craving because, like BDNF, GDNF provides trophic support to midbrain dopamine neurons. METHODS We first trained rats to self-administer intravenous cocaine for 10 days (6 hours/d, cocaine injections were paired with a tone-light cue). We then manipulated VTA GDNF function and assessed cue-induced cocaine seeking in extinction tests after withdrawal from cocaine. RESULTS VTA injections of an adeno-associated virus (AAV) vector containing rat GDNF cDNA (5 x 10(8) viral genomes) on withdrawal Day 1 increased cue-induced cocaine seeking on withdrawal days 11 and 31; this effect was not observed after VTA injections of an AAV viral vector containing red fluorescent protein (RFP). Additionally, VTA, but not substantial nigra (SN), GDNF injections (1.25 microg or 12.5 microg/side) immediately after the last cocaine self-administration session increased cue-induced drug seeking on withdrawal days 3 and 10; this effect was reversed by VTA injections of U0126, which inhibits the activity of extracellular signal-regulated kinases (ERK). Finally, interfering with VTA GDNF function by chronic delivery of anti-GDNF monoclonal neutralizing antibodies via minipumps (600 ng/side/d) during withdrawal Days 1-14 prevented the time-dependent increases in cue-induced cocaine seeking on withdrawal days 11 and 31. CONCLUSIONS Our results indicate that during the first weeks of withdrawal from cocaine self-administration, GDNF-dependent neuroadaptations in midbrain VTA neurons play an important role in the development of incubation of cocaine craving.
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Affiliation(s)
- Lin Lu
- National Institute on Drug Dependence, Peking University, Beijing, China.
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Wojnar M, Brower KJ, Strobbe S, Ilgen M, Matsumoto H, Nowosad I, Sliwerska E, Burmeister M. Association between Val66Met brain-derived neurotrophic factor (BDNF) gene polymorphism and post-treatment relapse in alcohol dependence. Alcohol Clin Exp Res 2009; 33:693-702. [PMID: 19170664 DOI: 10.1111/j.1530-0277.2008.00886.x] [Citation(s) in RCA: 98] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND The purpose of this study was to examine relationships between genetic markers of central serotonin (5-HT) and dopamine function, and risk for post-treatment relapse, in a sample of alcohol-dependent patients. METHODS The study included 154 patients from addiction treatment programs in Poland, who met DSM-IV criteria for alcohol dependence. After assessing demographics, severity of alcohol use, suicidality, impulsivity, depression, hopelessness, and severity of alcohol use at baseline, patients were followed for approximately 1 year to evaluate treatment outcomes. Genetic polymorphisms in several genes (TPH2, SLC6A4, HTR1A, HTR2A, COMT, and BDNF) were tested as predictors of relapse (defined as any drinking during follow-up) while controlling for baseline measures. RESULTS Of 154 eligible patients, 123 (80%) completed follow-up and 48% (n = 59) of these individuals relapsed. Patients with the Val allele in the Val66Met BDNF polymorphism and the Met allele in the Val158Met COMT polymorphism were more likely to relapse. Only the BDNF Val/Val genotype predicted post-treatment relapse [odds ratio (OR) = 2.62; p = 0.019], and time to relapse (OR = 2.57; p = 0.002), after adjusting for baseline measures and other significant genetic markers. When the analysis was restricted to patients with a family history of alcohol dependence (n = 73), the associations between the BDNF Val/Val genotype and relapse (OR = 5.76, p = 0.0045) and time to relapse (hazard ratio = 4.93, p = 0.001) were even stronger. CONCLUSIONS The Val66Met BDNF gene polymorphism was associated with a higher risk and earlier occurrence of relapse among patients treated for alcohol dependence. The study suggests a relationship between genetic markers and treatment outcomes in alcohol dependence. Because a large number of statistical tests were conducted for this study and the literature on genetics and relapse is so novel, the results should be considered as hypothesis generating and need to be replicated in independent studies.
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Affiliation(s)
- Marcin Wojnar
- Department of Psychiatry, University of Michigan, Ann Arbor, Michigan 48109, USA.
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Singh AK, Gupta S, Jiang Y, Younus M, Ramzan M. In vitro Neurogenesis from Neural Progenitor Cells Isolated from the Hippocampus Region of the Brain of Adult Rats Exposed to Ethanol during Early Development through Their Alcohol-Drinking Mothers. Alcohol Alcohol 2009; 44:185-98. [DOI: 10.1093/alcalc/agn109] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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Hill SY, Wang S, Kostelnik B, Carter H, Holmes B, McDermott M, Zezza N, Stiffler S, Keshavan MS. Disruption of orbitofrontal cortex laterality in offspring from multiplex alcohol dependence families. Biol Psychiatry 2009; 65:129-36. [PMID: 18986649 PMCID: PMC3280899 DOI: 10.1016/j.biopsych.2008.09.001] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/18/2008] [Revised: 08/29/2008] [Accepted: 09/03/2008] [Indexed: 12/27/2022]
Abstract
BACKGROUND Increased susceptibility for developing alcohol dependence (AD) might be related to structural differences in brain circuits that influence the salience of rewards and/or modify the efficiency of information processing. The role of the orbitofrontal cortex (OFC) in regulating emotional processing is increasingly being recognized along with its association with impulsive behavior. METHODS Magnetic resonance imaging was used to measure the OFC in 107 high- and low-risk offspring (mean age 17.6 +/- 4.69 years) from either multiplex AD families or control families. Region of interest measures including segmented values were obtained by reliable raters using BRAINS2 software. Statistical analyses were adjusted for intracranial volume, age, socioeconomic status (SES), IQ, and handedness. The Multidimensional Personality Questionnaire (MPQ) was administered to determine scale scores for Control. Genotyping was performed for the serotonin transporter (5-HTT) gene and the brain-derived neurotrophic factor (BDNF) gene. RESULTS High-risk offspring from multiplex for AD families showed decreased right/left OFC volumes in comparison with control subjects. Smaller volume in the right hemisphere was significantly associated with variation in the 5-HTT and BDNF genes. White matter (WM) ratios showed a positive correlation with MPQ Control scale scores, indicating that reduced OFC WM is related to greater impulsivity. CONCLUSIONS Offspring from multiplex families for AD manifest genetic susceptibility by exhibiting disruption in the laterality of the OFC volume that is related to greater impulsivity (lower Control scale scores). This disruption in OFC laterality is related to variation in genes associated with neuronal growth.
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Affiliation(s)
- Shirley Y Hill
- Department of Psychiatry, University of Pittsburgh Medical Center, 3811 O'Hara St., Pittsburgh, PA 15213, USA.
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Identification of Quantitative Trait Loci and candidate genes influencing ethanol sensitivity in honey bees. Behav Genet 2008; 38:531-53. [PMID: 18661223 DOI: 10.1007/s10519-008-9218-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2007] [Accepted: 07/14/2008] [Indexed: 01/08/2023]
Abstract
Invertebrate models have greatly furthered our understanding of ethanol sensitivity and alcohol addiction. The honey bee (Apis mellifera), a widely used behavioral model, is valuable for comparative studies. A quantitative trait locus (QTL) mapping experiment was designed to identify QTL and genes influencing ethanol vapor sensitivity. A backcross mating between ethanol-sensitive and resistant lines resulted in worker offspring that were tested for sensitivity to the sedative effects of alcohol. A linkage map was constructed with over 500 amplified fragment length polymorphism (AFLP) and sequence-tagged site (STS) markers. Four QTL were identified from three linkage groups with log of odds ratio (LOD) scores of 2.28, 2.26, 2.23, and 2.02. DNA from markers within and near QTL were cloned and sequenced, and this data was utilized to integrate our map with the physical honey bee genome. Many candidate genes were identified that influence synaptic transmission, neuronal growth, and detoxification. Others affect lipid synthesis, apoptosis, alcohol metabolism, cAMP signaling, and electron transport. These results are relevant because they present the first search for QTL that affect resistance to acute ethanol exposure in an invertebrate, could be useful for comparative genomic purposes, and lend credence to the use of honey bees as biomedical models of alcohol metabolism and sensitivity.
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Russo SJ, Mazei-Robison MS, Ables JL, Nestler EJ. Neurotrophic factors and structural plasticity in addiction. Neuropharmacology 2008; 56 Suppl 1:73-82. [PMID: 18647613 DOI: 10.1016/j.neuropharm.2008.06.059] [Citation(s) in RCA: 198] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2008] [Revised: 06/10/2008] [Accepted: 06/14/2008] [Indexed: 12/11/2022]
Abstract
Drugs of abuse produce widespread effects on the structure and function of neurons throughout the brain's reward circuitry, and these changes are believed to underlie the long-lasting behavioral phenotypes that characterize addiction. Although the intracellular mechanisms regulating the structural plasticity of neurons are not fully understood, accumulating evidence suggests an essential role for neurotrophic factor signaling in the neuronal remodeling which occurs after chronic drug administration. Brain-derived neurotrophic factor (BDNF), a growth factor enriched in brain and highly regulated by several drugs of abuse, regulates the phosphatidylinositol 3'-kinase (PI3K), mitogen-activated protein kinase (MAPK), phospholipase Cgamma (PLCgamma), and nuclear factor kappa B (NFkappaB) signaling pathways, which influence a range of cellular functions including neuronal survival, growth, differentiation, and structure. This review discusses recent advances in our understanding of how BDNF and its signaling pathways regulate structural and behavioral plasticity in the context of drug addiction.
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Affiliation(s)
- Scott J Russo
- Fishberg Department of Neuroscience, Mount Sinai School of Medicine, One Gustave Levy Place, New York, NY 10029, USA
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Li C, Zhao X, Cao X, Chu D, Chen J, Zhou J. The Drosophila Homolog of jwa is Required for Ethanol Tolerance. Alcohol Alcohol 2008; 43:529-36. [DOI: 10.1093/alcalc/agn045] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Leggio L, Ferrulli A, Malandrino N, Miceli A, Capristo E, Gasbarrini G, Addolorato G. Insulin But Not Insulin Growth Factor-1 Correlates With Craving in Currently Drinking Alcohol-Dependent Patients. Alcohol Clin Exp Res 2008; 32:450-8. [DOI: 10.1111/j.1530-0277.2007.00589.x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Wolf DH, Nestler EJ, Russell DS. Regulation of neuronal PLCgamma by chronic morphine. Brain Res 2007; 1156:9-20. [PMID: 17524370 PMCID: PMC2020853 DOI: 10.1016/j.brainres.2007.04.059] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2006] [Revised: 04/19/2007] [Accepted: 04/22/2007] [Indexed: 02/03/2023]
Abstract
Alterations in neurotrophic signaling pathways may contribute to the changes in the mesolimbic dopamine system induced by chronic morphine exposure. In a rat model of morphine dependence, we previously identified increased levels of phospholipase C gamma-1 (PLCgamma1) immunoreactivity specifically within the ventral tegmental area (VTA) following chronic morphine treatment. Using an antibody specific for the tyrosine-phosphorylated, activated form of PLCgamma1, we now show that chronic morphine also significantly upregulates PLCgamma1 activity in the VTA, as well as in the nucleus accumbens and hippocampus, regions which are also implicated in the reinforcing properties of morphine. In contrast, no increase in PLCgamma1 activity was found in the substantia nigra or dorsal striatum. HSV-mediated overexpression of PLCgamma1 in PC12 cells induced ERK activation via a mechanism dependent, in part, on both MAP-ERK kinase (MEK) and protein kinase C. PLCgamma1 overexpression in the VTA similarly induced ERK activation in the VTA in vivo. As chronic morphine treatment has been shown to increase ERK activity within the VTA, the current results suggest that increased PLCgamma1 activity may be an upstream mediator of this effect.
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Affiliation(s)
- Daniel H Wolf
- Interdepartmental Neuroscience Program, Yale University School of Medicine, and Connecticut Mental Health Center, New Haven, CT 06508, USA.
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Jockers-Scherübl MC, Bauer A, Kuhn S, Reischies F, Danker-Hopfe H, Schmidt LG, Rentzsch J, Hellweg R. Nerve growth factor in serum is a marker of the stage of alcohol disease. Neurosci Lett 2007; 419:78-82. [PMID: 17434673 DOI: 10.1016/j.neulet.2007.03.051] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2007] [Revised: 03/15/2007] [Accepted: 03/27/2007] [Indexed: 01/21/2023]
Abstract
Long-term alcohol abuse has deleterious effects on the peripheral and central nervous system. Nerve growth factor (NGF) is a pleiotropic neurotrophic protein involved in development, maintenance of function and regeneration of nerve cells. We examined patients in different stages of alcohol disease and measured their NGF serum concentrations based on the hypothesis that these reflect the state of disease. We examined 57 patients suffering from alcohol-dependence for more than 2 years (DSM IV) on day 8 of a qualified withdrawal, 18 patients with Korsakoff's syndrome and 40 healthy controls. In addition to clinical examination, careful history taking and a standard neuropsychological test battery, serum NGF concentrations were measured by a highly sensitive enzyme-immunoassay. Of the 57 patients 9 had suffered from severe withdrawal delirium in the past, other clinical parameters were alike. Cognitive test performance did not differ from the control group. Mean NGF levels of controls amounted to 42.1pg/ml (S.D. 68.0); mean levels of patients with alcohol dependence were raised significantly to 401.5pg/ml (S.D. 932.6) without delirium in the past and even further to 3292.5pg/ml (S.D. 4879.6) with former withdrawal delirium. By contrast, patients with persistent amnestic disorder (Korsakoff's syndrome) showed values identical to the controls. NGF serum levels were significantly elevated in alcohol-dependent patients, more so in those with prior delirium. Their cognitive tests being normal, this possibly reflects the activity of NGF as an endogenous repair mechanism for damaged neurons. In accordance with this hypothesis, NGF values are "normal" in patients with persistent alcohol-related cognitive decline.
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Affiliation(s)
- Maria C Jockers-Scherübl
- Department of Psychiatry and Psychotherapy, Charité-University Medicine Berlin, Campus Benjamin Franklin, Eschenallee 3, 14050 Berlin, Germany.
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Bowers BJ, Radcliffe RA, Smith AM, Miyamoto-Ditmon J, Wehner JM. Microarray analysis identifies cerebellar genes sensitive to chronic ethanol treatment in PKCgamma mice. Alcohol 2006; 40:19-33. [PMID: 17157717 PMCID: PMC1931504 DOI: 10.1016/j.alcohol.2006.09.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2006] [Revised: 09/08/2006] [Accepted: 09/08/2006] [Indexed: 11/27/2022]
Abstract
Neuroadaptive changes that occur in the development of ethanol tolerance may be the result of alterations in gene expression. We have shown that PKCgamma wild-type mice develop tolerance to the sedative-hypnotic effects of ethanol after chronic ethanol treatment; whereas, mutant mice do not, making these genotypes a suitable model for identifying changes in gene expression related to tolerance development. Using a two-stage process, several genes were initially identified using microarray analyses of cerebellar tissue from ethanol-treated PKCgamma mutant and wild-type mice. Subsequent confirmation of a subset of these genes using quantitative real time reverse transcriptase polymerase chain reactions (qRT-PCR) was done to verify gene expression changes. A total of 109 genes from different functional classifications were identified in these groups on the microarrays. Eight genes were selected for verification as follows: three, Twik-1, Plp, and Adk2, were chosen as genes related to tolerance; another three, Hsp70.2, Bdnf, and Th, were chosen as genes related to resistance to tolerance; and two genes, JunB and Nur77, were selected as candidate genes sensitive to chronic ethanol. The results from the verification experiments indicated that Twik-1, which codes for a potassium channel, was associated with tolerance and appeared to be dependent on the presence of PKCgamma. No genes were confirmed to be related to resistance to tolerance; however, expression of two of these, Hsp70.2 and Th, were found to be sensitive to chronic ethanol and were added to the transcription factors, JunB and Nur77, confirmed by qRT-PCR, as a subset of genes that respond to chronic ethanol.
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Affiliation(s)
- Barbara J Bowers
- Institute for Behavioral Genetics, University of Colorado, 447 UCB, Boulder, CO 80309, USA.
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