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Schwandt ML, Ramchandani VA, Upadhyay J, Ramsden C, Diazgranados N, Goldman D. Pain in alcohol use disorder: Evaluating effects of childhood trauma, perceived stress, and psychological comorbidity. Alcohol 2024; 117:43-54. [PMID: 38537764 PMCID: PMC11042973 DOI: 10.1016/j.alcohol.2024.03.013] [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: 12/21/2023] [Revised: 02/18/2024] [Accepted: 03/24/2024] [Indexed: 04/05/2024]
Abstract
The relationship between pain and alcohol use disorder (AUD) is complex and bidirectional. The current study examines risk factors for pain in a large comprehensively phenotyped sample including individuals from across the spectrum of alcohol use and misuse. Participants (n = 1101) were drawn from the National Institute on Alcohol Abuse and Alcoholism Natural History Protocol and included treatment-seeking AUD inpatients (AUD+Tx, n = 369), individuals with AUD not seeking treatment (AUD+, n = 161), and individuals without AUD (AUD-, n = 571). General linear models were utilized to test the effects of AUD status, history of childhood trauma exposure, perceived stress, and psychological comorbidity on daily percent time in pain, as well as change in daily percent time in pain across the inpatient stay in AUD+Tx individuals. Overall, 60.2% individuals reported any pain, with a significantly higher prevalence in the AUD+Tx group (82.1%) compared to the AUD+ (56.5%) and AUD- (47.1%) groups. Daily percent time in pain was also highest in the AUD+Tx group (30.2%) and was further increased in those with a history of childhood abuse and comorbid posttraumatic stress disorder (PTSD). Years of heavy drinking and craving were also associated with increased percent time in pain in the AUD+Tx group. Percent time in pain decreased following acute withdrawal in the AUD+Tx group but plateaued around 25% just prior to discharge. Individuals seeking inpatient treatment for AUD, especially those with a history of childhood trauma and/or comorbid PTSD, report greater percent time in pain compared to those not seeking treatment and those without AUD. The prolonged experience of pain in abstinent AUD inpatients after the resolution of acute withdrawal may signal the early stages of protracted withdrawal. Integrative treatments targeting pain and other symptoms of protracted withdrawal may be effective in improving overall function in people with severe AUD.
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Affiliation(s)
- M L Schwandt
- Office of the Clinical Director, National Institute on Alcoholism and Alcohol Abuse (NIAAA), Bethesda, MD, USA.
| | - V A Ramchandani
- Human Psychopharmacology Laboratory, NIAAA, Bethesda, MD, USA
| | - J Upadhyay
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA; Department of Psychiatry, McLean Hospital, Harvard Medical School, Belmont, MA, USA
| | - C Ramsden
- Laboratory of Clinical Investigation, National Institute on Aging, Baltimore, MD, USA
| | - N Diazgranados
- Office of the Clinical Director, National Institute on Alcoholism and Alcohol Abuse (NIAAA), Bethesda, MD, USA
| | - D Goldman
- Office of the Clinical Director, National Institute on Alcoholism and Alcohol Abuse (NIAAA), Bethesda, MD, USA; Laboratory of Neurogenetics, NIAAA, Rockville, MD, USA
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Steiner NL, Purohit DC, Tiefenthaler CM, Mandyam CD. Abstinence and Fear Experienced during This Period Produce Distinct Cortical and Hippocampal Adaptations in Alcohol-Dependent Rats. Brain Sci 2024; 14:431. [PMID: 38790410 PMCID: PMC11118749 DOI: 10.3390/brainsci14050431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/14/2024] [Accepted: 04/20/2024] [Indexed: 05/26/2024] Open
Abstract
Previous studies demonstrate that ethanol dependence induced by repeating cycles of chronic intermittent ethanol vapor exposure (CIE) followed by protracted abstinence produces significant gray matter damage via myelin dysfunction in the rodent medial prefrontal cortex (mPFC) and alterations in neuronal excitability in the mPFC and the dentate gyrus (DG) of the hippocampus. Specifically, abstinence-induced neuroadaptations have been associated with persistent elevated relapse to drinking. The current study evaluated the effects of forced abstinence for 1 day (d), 7 d, 21 d, and 42 d following seven weeks of CIE on synaptic plasticity proteins in the mPFC and DG. Immunoblotting revealed reduced expression of CaMKII in the mPFC and enhanced expression of GABAA and CaMKII in the DG at the 21 d time point, and the expression of the ratio of GluN2A/2B subunits did not change at any of the time points studied. Furthermore, cognitive performance via Pavlovian trace fear conditioning (TFC) was evaluated in 3 d abstinent rats, as this time point is associated with negative affect. In addition, the expression of the ratio of GluN2A/2B subunits and a 3D structural analysis of neurons in the mPFC and DG were evaluated in 3 d abstinent rats. Behavioral analysis revealed faster acquisition of fear responses and reduced retrieval of fear memories in CIE rats compared to controls. TFC produced hyperplasticity of pyramidal neurons in the mPFC under control conditions and this effect was not evident or blunted in abstinent rats. Neurons in the DG were unaltered. TFC enhanced the GluN2A/2B ratio in the mPFC and reduced the ratio in the DG and was not altered by abstinence. These findings indicate that forced abstinence from CIE produces distinct and divergent alterations in plasticity proteins in the mPFC and DG. Fear learning-induced changes in structural plasticity and proteins contributing to it were more profound in the mPFC during forced abstinence.
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Affiliation(s)
- Noah L. Steiner
- VA San Diego Healthcare System, San Diego, CA 92161, USA; (N.L.S.)
| | | | - Casey M. Tiefenthaler
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, CA 92093, USA;
| | - Chitra D. Mandyam
- VA San Diego Healthcare System, San Diego, CA 92161, USA; (N.L.S.)
- Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California San Diego, San Diego, CA 92093, USA;
- Department of Anesthesiology, University of California San Diego, San Diego, CA 92093, USA
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Fu Y, Li W, Mai Y, Guan J, Ding R, Hou J, Chen B, Cao G, Sun S, Tang Y, Fu R. Association between RMTg Neuropeptide Genes and Negative Effect during Alcohol Withdrawal in Mice. Int J Mol Sci 2024; 25:2933. [PMID: 38474180 DOI: 10.3390/ijms25052933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/24/2024] [Accepted: 02/28/2024] [Indexed: 03/14/2024] Open
Abstract
Alcohol use disorders (AUDs) frequently co-occur with negative mood disorders, such as anxiety and depression, exacerbating relapse through dopaminergic dysfunction. Stress-related neuropeptides play a crucial role in AUD pathophysiology by modulating dopamine (DA) function. The rostromedial tegmental nucleus (RMTg), which inhibits midbrain dopamine neurons and signals aversion, has been shown to increase ethanol consumption and negative emotional states during abstinence. Despite some stress-related neuropeptides acting through the RMTg to affect addiction behaviors, their specific roles in alcohol-induced contexts remain underexplored. This study utilized an intermittent voluntary drinking model in mice to induce negative effect behavior 24 h into ethanol (EtOH) abstinence (post-EtOH). It examined changes in pro-stress (Pnoc, Oxt, Npy) and anti-stress (Crf, Pomc, Avp, Orx, Pdyn) neuropeptide-coding genes and analyzed their correlations with aversive behaviors. We observed that adult male C57BL/6J mice displayed evident anxiety, anhedonia, and depression-like symptoms at 24 h post-EtOH. The laser-capture microdissection technique, coupled with or without retrograde tracing, was used to harvest total ventral tegmental area (VTA)-projecting neurons or the intact RMTg area. The findings revealed that post-EtOH consistently reduced Pnoc and Orx levels while elevating Crf levels in these neuronal populations. Notably, RMTg Pnoc and Npy levels counteracted ethanol consumption and depression severity, while Crf levels were indicative of the mice's anxiety levels. Together, these results underscore the potential role of stress-related neuropeptides in the RMTg in regulating the negative emotions related to AUDs, offering novel insights for future research.
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Affiliation(s)
- Yixin Fu
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Wenfu Li
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Yunlin Mai
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Junhao Guan
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Ruxuan Ding
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Jiawei Hou
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Bingqing Chen
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Guoxin Cao
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Shizhu Sun
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Ying Tang
- Clinical Skills Training Center, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
| | - Rao Fu
- Department of Anatomy, School of Medicine, Sun Yat-Sen University, Shenzhen 518106, China
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Huang MC, Tu HY, Chung RH, Kuo HW, Liu TH, Chen CH, Mochly-Rosen D, Liu YL. Changes of neurofilament light chain in patients with alcohol dependence following withdrawal and the genetic effect from ALDH2 Polymorphism. Eur Arch Psychiatry Clin Neurosci 2024; 274:423-432. [PMID: 37314537 PMCID: PMC10719424 DOI: 10.1007/s00406-023-01635-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 05/29/2023] [Indexed: 06/15/2023]
Abstract
Neurofilament light chain (NFL), as a measure of neuroaxonal injury, has recently gained attention in alcohol dependence (AD). Aldehyde dehydrogenase 2 (ALDH2) is the major enzyme which metabolizes the alcohol breakdown product acetaldehyde. An ALDH2 single nucleotide polymorphism (rs671) is associated with less ALDH2 enzyme activity and increased neurotoxicity. We examined the blood NFL levels in 147 patients with AD and 114 healthy controls using enzyme-linked immunosorbent assay and genotyped rs671. We also followed NFL level, alcohol craving and psychological symptoms in patients with AD after 1 and 2 weeks of detoxification. We found the baseline NFL level was significantly higher in patients with AD than in controls (mean ± SD: 264.2 ± 261.8 vs. 72.1 ± 35.6 pg/mL, p < 0.001). The receiver operating characteristic curve revealed that NFL concentration could discriminate patients with AD from controls (area under the curve: 0.85; p < 0.001). The NFL levels were significantly reduced following 1 and 2 weeks of detoxification, with the extent of reduction correlated with the improvement of craving, depression, and anxiety (p < 0.001). Carriers with the rs671 GA genotype, which is associated with less ALDH2 activity, had higher NLF levels either at baseline or after detoxification compared with GG carriers. In conclusion, plasma NFL level was increased in patients with AD and reduced after early abstinence. Reduction in NFL level corroborated well with the improvement of clinical symptoms. The ALDH2 rs671 polymorphism may play a role in modulating the extent of neuroaxonal injury and its recovery.
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Affiliation(s)
- Ming-Chyi Huang
- Department of Addiction Sciences, Taipei City Psychiatric Center, Taipei City Hospital, Taipei, Taiwan
- Department of Psychiatry, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Psychiatric Research Center, Taipei Medical University Hospital, Taipei, Taiwan
| | - Hsueh-Yuan Tu
- Department of Addiction Sciences, Taipei City Psychiatric Center, Taipei City Hospital, Taipei, Taiwan
| | - Ren-Hua Chung
- Institute of Population Health Sciences, National Health Research Institutes, Zhunan, Miaoli County, Taiwan
| | - Hsiang-Wei Kuo
- Center for Neuropsychiatric Research, National Health Research Institutes, Zhunan, Miaoli County, Taiwan
| | - Tung-Hsia Liu
- Center for Neuropsychiatric Research, National Health Research Institutes, Zhunan, Miaoli County, Taiwan
| | - Che-Hong Chen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, USA
| | - Daria Mochly-Rosen
- Department of Chemical and Systems Biology, Stanford University School of Medicine, Stanford, CA, USA
| | - Yu-Li Liu
- Center for Neuropsychiatric Research, National Health Research Institutes, Zhunan, Miaoli County, Taiwan.
- Graduate Institute of Clinical Medical Science, China Medical University, Taichung, Taiwan.
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5
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Aguilar J, De Carvalho LM, Chen H, Condon R, Lasek AW, Pradhan AA. Histone deacetylase inhibitor decreases hyperalgesia in a mouse model of alcohol withdrawal-induced hyperalgesia. ALCOHOL, CLINICAL & EXPERIMENTAL RESEARCH 2024; 48:478-487. [PMID: 38378262 PMCID: PMC10940188 DOI: 10.1111/acer.15273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 02/22/2024]
Abstract
BACKGROUND Alcohol withdrawal-induced hyperalgesia (AWH) is characterized as an increased pain sensitivity observed after cessation of chronic alcohol use. Alcohol withdrawal-induced hyperalgesia can contribute to the negative affective state associated with abstinence and can increase susceptibility to relapse. We aimed to characterize pain sensitivity in mice during withdrawal from two different models of alcohol exposure: chronic drinking in the dark (DID) and the Lieber-DeCarli liquid diet. We also investigated whether treatment with a histone deacetylase (HDAC) inhibitor, suberoylanilide hydroxamic acid (SAHA), could ameliorate AWH in mice treated with the Lieber-DeCarli diet. METHODS Male and female C57BL/6J mice were used for these studies. In the DID model, mice received bottles of 20% ethanol or water during the dark cycle for 4 h per day on four consecutive days per week for 6 weeks. Peripheral mechanical sensitivity was measured weekly the morning of Day 5 using von Frey filaments. In the Lieber-DeCarli model, mice received ethanol (5% v/v) or control liquid diet for 10 days, along with a single binge ethanol gavage (5 g/kg) or control gavage, respectively, on Day 10. Peripheral mechanical sensitivity was measured during the liquid diet administration and at 24 and 72 h into ethanol withdrawal. An independent group of mice that received the Lieber-DeCarli diet were administered SAHA (50 mg/kg, i.p.) during withdrawal. RESULTS Male mice exhibited mechanical hypersensitivity after consuming ethanol for 5 weeks in the DID procedure. In the Lieber-DeCarli model, ethanol withdrawal led to hyperalgesia in both sexes. Suberoylanilide hydroxamic acid treatment during withdrawal from the ethanol liquid diet alleviated AWH. CONCLUSIONS These results demonstrate AWH in mice after chronic binge drinking in males and after Lieber-DeCarli liquid diet administration in both sexes. Like previous findings in rats, HDAC inhibition reduced AWH in mice, suggesting that epigenetic mechanisms are involved in AWH.
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Affiliation(s)
- Jhoan Aguilar
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago IL USA
| | - Luana Martins De Carvalho
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago IL USA
| | - Hu Chen
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago IL USA
| | - Ryan Condon
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago IL USA
| | - Amy W. Lasek
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago IL USA
| | - Amynah A. Pradhan
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago IL USA
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6
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Becker HC, Lopez MF. Animal Models of Excessive Alcohol Consumption in Rodents. Curr Top Behav Neurosci 2024. [PMID: 38340255 DOI: 10.1007/7854_2024_461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024]
Abstract
The development of animal models that demonstrate excessive levels of alcohol consumption has played an important role in advancing our knowledge about neurobiological underpinnings and environmental circumstances that engender such maladaptive behavior. The use of these preclinical models has also provided valuable opportunities for discovering new and novel therapeutic targets that may be useful in the treatment of alcohol use disorder (AUD). While no single model can fully capture the complexities of AUD, the goal is to develop animal models that closely approximate characteristics of heavy alcohol drinking in humans to enhance their translational value and utility. A variety of experimental approaches have been employed to produce the desired phenotype of interest-robust and reliable excessive levels of alcohol drinking. Here we provide an updated review of five animal models that are commonly used. The models entail procedural manipulations of scheduled access to alcohol (time of day, duration, frequency), periods of time when access to alcohol is withheld, and history of alcohol exposure. Specially, the models involve (a) scheduled access to alcohol, (b) scheduled periods of alcohol deprivation, (c) scheduled intermittent access to alcohol, (d) scheduled-induced polydipsia, and (e) chronic alcohol (dependence) and withdrawal experience. Each of the animal models possesses unique experimental features that engender excessive levels of alcohol consumption. Both advantages and disadvantages of each model are described along with discussion of future work to be considered in developing more optimal models. Ultimately, the validity and utility of these models will lie in their ability to aid in the discovery of new and novel potential therapeutic targets as well as serve as a platform to evaluate treatment strategies that effectively reduce excessive levels of alcohol consumption associated with AUD.
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Affiliation(s)
- Howard C Becker
- Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC, USA.
- Departments of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA.
- Departments of Psychiatry and Neuroscience, Medical University of South Carolina, Charleston, SC, USA.
- RHJ Veterans Administration Health Care System, Medical University of South Carolina, Charleston, SC, USA.
| | - Marcelo F Lopez
- Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC, USA
- Departments of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, SC, USA
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You C, Krishnan HR, Chen Y, Zhang H, Drnevich J, Pinna G, Guidotti A, Glover EJ, Lasek AW, Grayson DR, Pandey SC, Brodie MS. Transcriptional Dysregulation of Cholesterol Synthesis Underlies Hyposensitivity to GABA in the Ventral Tegmental Area During Acute Alcohol Withdrawal. Biol Psychiatry 2024; 95:275-285. [PMID: 37562519 PMCID: PMC10840816 DOI: 10.1016/j.biopsych.2023.07.018] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 07/25/2023] [Accepted: 07/30/2023] [Indexed: 08/12/2023]
Abstract
BACKGROUND The ventral tegmental area (VTA) is a dopaminergic brain area that is critical in the development and maintenance of addiction. During withdrawal from chronic ethanol exposure, the response of VTA neurons to GABA (gamma-aminobutyric acid) is reduced through an epigenetically regulated mechanism. In the current study, a whole-genome transcriptomic approach was used to investigate the underlying molecular mechanism of GABA hyposensitivity in the VTA during withdrawal after chronic ethanol exposure. METHODS We performed RNA sequencing of the VTA of Sprague Dawley male rats withdrawn for 24 hours from a chronic ethanol diet as well as sequencing of the VTA of control rats fed the Lieber-DeCarli diet. RNA sequencing data were analyzed using weighted gene coexpression network analysis to identify modules that contained coexpressed genes. Validation was performed with quantitative polymerase chain reaction, gas chromatography-mass spectrometry, and electrophysiological assays. RESULTS Pathway and network analysis of weighted gene coexpression network analysis module 1 revealed a significant downregulation of genes associated with the cholesterol synthesis pathway. Consistent with this association, VTA cholesterol levels were significantly decreased during withdrawal. Chromatin immunoprecipitation indicated a decrease in levels of acetylated H3K27 at the transcriptional control regions of these genes. Electrophysiological studies in VTA slices demonstrated that GABA hyposensitivity during withdrawal was normalized by addition of exogenous cholesterol. In addition, inhibition of cholesterol synthesis produced GABA hyposensitivity, which was reversed by adding exogenous cholesterol to VTA slices. CONCLUSIONS These results suggest that decreased expression of cholesterol synthesis genes may regulate GABA hyposensitivity of VTA neurons during alcohol withdrawal. Increasing cholesterol levels in the brain may be a novel avenue for therapeutic intervention to reverse detrimental effects of chronic alcohol exposure.
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Affiliation(s)
- Chang You
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois; Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Harish R Krishnan
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Ying Chen
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Huaibo Zhang
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Jenny Drnevich
- Roy J. Carver Biotechnology Center, University of Illinois at Urbana-Champaign, Urbana, Illinois
| | - Graziano Pinna
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Alessandro Guidotti
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Elizabeth J Glover
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Amy W Lasek
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Dennis R Grayson
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois
| | - Subhash C Pandey
- Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois; Jesse Brown VA Medical Center, Chicago, Illinois
| | - Mark S Brodie
- Department of Physiology and Biophysics, University of Illinois at Chicago, Chicago, Illinois; Center for Alcohol Research in Epigenetics, Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois.
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Gopaldas M, Flook EA, Blackford JU. Bridging Neuroscience and Clinical Assessment in a Patient with Alcohol Use Disorder, Anxiety, and Trauma. J Psychiatr Pract 2024; 30:62-67. [PMID: 38227730 DOI: 10.1097/pra.0000000000000763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
This article presents a unique framework that combines insights from neuroscience with clinical assessment to evaluate individuals who have co-occurring alcohol use disorder, anxiety, and trauma. Through the use of a case study, the authors demonstrate the practical application of this framework and contextualize the relevant neurocircuitry associated with alcohol withdrawal, maladaptive fear and anxiety, and chronic stress. By integrating these perspectives, they provide a comprehensive approach for assessing and treating patients with complex psychiatric histories, particularly those presenting with anxiety symptoms, offering valuable insights for practitioners.
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Baltz ET, Renteria R, Gremel CM. Chronic alcohol exposure differentially alters calcium activity of striatal cell populations during actions. ADDICTION NEUROSCIENCE 2023; 8:100128. [PMID: 37842013 PMCID: PMC10569208 DOI: 10.1016/j.addicn.2023.100128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Alcohol Use Disorder (AUD) can induce long lasting alterations to executive function. This includes altered action control, which can manifest as dysfunctional goal-directed control. Cortical and striatal circuits mediate goal-directed control over behavior, and prior research has found chronic alcohol disrupts these circuits. In particular, prior in vivo and ex vivo work have identified alterations to function and activity of dorsal medial striatum (DMS), which is necessary for goal-directed control. However, unknown is whether these alterations manifest as altered activity of select DMS populations during behavior. Here we examine effects of prior chronic alcohol exposure on calcium activity modulation during action-related behaviors via fiber photometry of genetically-identified DMS populations including the direct and indirect output pathways, and fast-spiking interneurons. We find that prior chronic alcohol exposure leads to increased calcium modulation of the direct pathway during action related behavior. In contrast, prior chronic alcohol exposure led to decreased calcium activity modulation of the indirect pathway and the fast-spiking interneuron population around action-related events. Together, our findings suggest an imbalance in striatal activity during action control. This disruption may contribute to the altered goal-directed control previously reported.
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Affiliation(s)
- Emily T. Baltz
- The Neurosciences Graduate Program, University of California San Diego, La Jolla, CA 92093, USA
| | - Rafael Renteria
- Department of Psychology, University of California San Diego, La Jolla, CA 92093, USA
| | - Christina M. Gremel
- The Neurosciences Graduate Program, University of California San Diego, La Jolla, CA 92093, USA
- Department of Psychology, University of California San Diego, La Jolla, CA 92093, USA
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van Oort J, Diazgranados N, George DT, Horneffer Y, Schwandt M, Goldman D, Momenan R. Preliminary evidence for changes in frontoparietal network connectivity in the early abstinence period in alcohol use disorder: a longitudinal resting-state functional magnetic resonance imaging study. Front Psychiatry 2023; 14:1185770. [PMID: 37575566 PMCID: PMC10420071 DOI: 10.3389/fpsyt.2023.1185770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 07/07/2023] [Indexed: 08/15/2023] Open
Abstract
The early abstinence period is a crucial phase in alcohol use disorder (AUD) in which patients have to find a new equilibrium and may start recovery, or conversely, relapse. However, the changes in brain functions during this key period are still largely unknown. We set out to study longitudinal changes in large-scale brain networks during the early abstinence period using resting-state scans. We scanned AUD patients twice in a well-controlled inpatient setting, with the first scan taking place shortly after admission and the second scan 4 weeks (±9 days) later near the end of the treatment period. We studied 37 AUD patients (22 males) and 27 healthy controls (16 males). We focused on three networks that are affected in AUD and underly core symptom dimensions in this disorder: the frontoparietal networks (left and right FPN) and default mode network (DMN). Both the whole brain and within network connectivity of these networks were studied using dual regression. Finally, we explored correlations between these brain networks and various neuropsychological and behavioral measures. In contrast to the controls (Z = -1.081, p = 0.280), the AUD patients showed a decrease in within left FPN connectivity (Z = -2.029, p = 0.042). However, these results did not survive a strict Bonferroni correction. The decrease in left FPN connectivity during the early abstinence period in AUD may reflect an initially upregulated FPN, which recovers to a lower resting-state connectivity level during subsequent weeks of abstinence. The AUD patients showed a trend for a positive association between the change in left FPN connectivity and trait anxiety (rs = 0.303, p = 0.068), and a trend for a negative association between the change in left FPN connectivity and delay discounting (rs = -0.283, p = 0.089) (uncorrected for multiple comparisons). This suggests that the FPN might be involved in top-down control of impulsivity and anxiety, which are important risk factors for relapse. Although there were no statistically significant results (after multiple comparison correction), our preliminary findings encourage further research into the dynamic neuroadaptations during the clinically crucial early abstinence period and could inform future study designs.
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Affiliation(s)
- Jasper van Oort
- Clinical NeuroImaging Research Core, National Institute on Alcohol Abuse and Alcoholism, National Institute of Health, Bethesda, MD, United States
| | - Nancy Diazgranados
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, National Institute of Health, Bethesda, MD, United States
| | - David T. George
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, National Institute of Health, Bethesda, MD, United States
| | - Yvonne Horneffer
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, National Institute of Health, Bethesda, MD, United States
| | - Melanie Schwandt
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, National Institute of Health, Bethesda, MD, United States
| | - David Goldman
- Office of the Clinical Director, National Institute on Alcohol Abuse and Alcoholism, National Institute of Health, Bethesda, MD, United States
| | - Reza Momenan
- Clinical NeuroImaging Research Core, National Institute on Alcohol Abuse and Alcoholism, National Institute of Health, Bethesda, MD, United States
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Brandner AJ, Baratta AM, Rathod RS, Ferguson C, Taylor BK, Farris SP. Mechanical and Heat Hyperalgesia upon Withdrawal From Chronic Intermittent Ethanol Vapor Depends on Sex, Exposure Duration, and Blood Alcohol Concentration in Mice. THE JOURNAL OF PAIN 2023; 24:1262-1274. [PMID: 36868488 PMCID: PMC10599355 DOI: 10.1016/j.jpain.2023.02.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 02/16/2023] [Accepted: 02/22/2023] [Indexed: 03/05/2023]
Abstract
Approximately half of patients with alcohol use disorder report pain and this can be severe during withdrawal. Many questions remain regarding the importance of biological sex, alcohol exposure paradigm, and stimulus modality to the severity of alcohol withdrawal-induced hyperalgesia. To examine the impact of sex and blood alcohol concentration on the time course of the development of mechanical and heat hyperalgesia, we characterized a mouse model of chronic alcohol withdrawal-induced pain in the presence or absence the alcohol dehydrogenase inhibitor, pyrazole. Male and female C57BL/6J mice underwent chronic intermittent ethanol vapor ± pyrazole exposure for 4 weeks, 4 d/wk to induce ethanol dependence. Hind paw sensitivity to the plantar application of mechanical (von Frey filaments) and radiant heat stimuli were measured during weekly observations at 1, 3, 5, 7, 24, and 48 hours after cessation of ethanol exposure. In the presence of pyrazole, males developed mechanical hyperalgesia after the first week of chronic intermittent ethanol vapor exposure, peaking at 48 hours after cessation of ethanol. By contrast, females did not develop mechanical hyperalgesia until the fourth week; this also required pyrazole and did not peak until 48 hours. Heat hyperalgesia was consistently observed only in females exposed to ethanol and pyrazole; this developed after the first weekly session and peaked at 1 hour. We conclude that Chronic alcohol withdrawal-induced pain develops in a sex-, time-, and blood alcohol concentration-dependent manner in C57BL/6J mice. PERSPECTIVE: Alcohol withdrawal-induced pain is a debilitating condition in individuals with AUD. Our study found mice experience alcohol withdrawal-induced pain in a sex and time course specific manor. These findings will aid in elucidating mechanisms of chronic pain and AUD and will help individuals remain abstinent from alcohol.
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Affiliation(s)
- Adam J Brandner
- Center for Neuroscience, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Pittsburgh Center for Pain Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Pittsburgh Project to end Opioid Misuse, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Annalisa M Baratta
- Center for Neuroscience, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Pittsburgh Center for Pain Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Richa S Rathod
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Carolyn Ferguson
- Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Bradley K Taylor
- Center for Neuroscience, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Pittsburgh Center for Pain Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Pittsburgh Project to end Opioid Misuse, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Sean P Farris
- Center for Neuroscience, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Pittsburgh Center for Pain Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Anesthesiology and Perioperative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Pittsburgh Project to end Opioid Misuse, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania; Department of Biomedical Informatics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
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12
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Coffey KR, Nickelson W, Dawkins AJ, Neumaier JF. Rapid appearance of negative emotion during oral fentanyl self-administration in male and female rats. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.27.538613. [PMID: 37163074 PMCID: PMC10168304 DOI: 10.1101/2023.04.27.538613] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Opioid use disorder has become an epidemic in the United States, fueled by the widespread availability of fentanyl, which produces rapid and intense euphoria followed by severe withdrawal and emotional distress. We developed a new preclinical model of fentanyl seeking in outbred male and female rats using volitional oral self-administration that can be readily applied in labs without intravascular access. Using a traditional two lever operant procedure, rats learned to take oral fentanyl vigorously, escalated intake across sessions, and readily reinstated responding to conditioned cues after extinction. Oral self-administration also revealed individual and sex differences that are essential to studying substance use risk propensity. During a behavioral economics task, rats displayed inelastic demand curves and maintained stable intake across a wide range of fentanyl concentrations. Oral SA was also neatly patterned, with distinct "loading" and "maintenance" phases of responding within each session. Using our software DeepSqueak, we analyzed thousands of ultrasonic vocalizations (USVs), which are innate expressions of current emotional state in rats. Rats produced 50 kHz USVs during loading then shifted quickly to 22 kHz calls despite ongoing maintenance oral fentanyl taking, reflecting a transition to negative reinforcement. Using fiber photometry, we found that the lateral habenula differentially processed drug-cues and drug-consumption depending on affective state, with potentiated modulation by drug cues and consumption during the negative affective maintenance phase. Together, these results indicate a rapid progression from positive to negative reinforcement occurs even within an active drug taking session, revealing a within-session opponent process.
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Affiliation(s)
- Kevin R. Coffey
- Department of Psychiatry & Behavioral Sciences, University of Washington School of Medicine, Seattle, WA, 98104, USA
| | - William Nickelson
- Mental Illness Research, Education and Clinical Center, Puget Sound VA Health Care System, 660 S Columbian Way, Seattle, WA 98108
| | - Aliyah J. Dawkins
- Mental Illness Research, Education and Clinical Center, Puget Sound VA Health Care System, 660 S Columbian Way, Seattle, WA 98108
| | - John F. Neumaier
- Mental Illness Research, Education and Clinical Center, Puget Sound VA Health Care System, 660 S Columbian Way, Seattle, WA 98108
- Department of Psychiatry & Behavioral Sciences, University of Washington School of Medicine, Seattle, WA, 98104, USA
- Department of Pharmacology, University of Washington School of Medicine, Seattle, WA, 98104, USA
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13
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Molander O, Bjureberg J, Sahlin H, Beijer U, Hellner C, Ljótsson B. Integrated cognitive behavioral treatment for substance use and depressive symptoms: a homeless case series and feasibility study. Pilot Feasibility Stud 2023; 9:76. [PMID: 37147667 PMCID: PMC10161417 DOI: 10.1186/s40814-023-01305-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 04/21/2023] [Indexed: 05/07/2023] Open
Abstract
BACKGROUND Homelessness is associated with high prevalence of psychiatric disorders such as substance use disorders, including alcohol use disorder, and depression. METHODS This case series and feasibility trial evaluated a novel integrated cognitive behavioral treatment (ICBT), which was adapted specifically for homeless individuals and developed to treat substance use and depressive symptoms simultaneously. The ICBT was delivered among four homeless individuals enrolled in the Treatment First program (a social services program where treatment is offered in conjunction with temporary transitional housing), who had access to stable and sober housing milieus. RESULTS The ICBT was rated high in expectancy of improvement, credibility, and satisfaction, with few treatment-related adverse events, and fairly high treatment retention. At 12 months follow-up, three of four participants were not homeless anymore. Some participants experienced short-term reductions in substance use and/or depressive symptoms. CONCLUSIONS The study provided preliminary support that the ICBT can be a feasible and potentially effective treatment for homeless individuals with substance use and/or depressive symptoms. However, the delivery format within the Treatment First program was not feasible. The ICBT could be offered within the social services Housing First program instead (where permanent housing is offered before treatment), or to non-homeless individuals. TRIAL REGISTRATION The study was registered retrospectively at ClinicalTrials.gov (NCT05329181).
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Affiliation(s)
- Olof Molander
- PelarbackenErsta Diakoni, Social Welfare Office for the Homeless, City of Stockholm, Stockholm, Sweden.
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Norra Stationsgatan 69, Plan 7, 113 64, Stockholm, Sweden.
| | - Johan Bjureberg
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Norra Stationsgatan 69, Plan 7, 113 64, Stockholm, Sweden
| | - Hanna Sahlin
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Norra Stationsgatan 69, Plan 7, 113 64, Stockholm, Sweden
| | - Ulla Beijer
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Norra Stationsgatan 69, Plan 7, 113 64, Stockholm, Sweden
| | - Clara Hellner
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, & Stockholm Health Care Services, Norra Stationsgatan 69, Plan 7, 113 64, Stockholm, Sweden
| | - Brjánn Ljótsson
- Department of Clinical Neuroscience, Division of Psychology, Karolinska Institutet, Stockholm, Sweden
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14
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Zwolinski NM, Patel KS, Vadivelu N, Kodumudi G, Kaye AD. ERAS Protocol Options for Perioperative Pain Management of Substance Use Disorder in the Ambulatory Surgical Setting. Curr Pain Headache Rep 2023; 27:65-79. [PMID: 37079258 PMCID: PMC10116112 DOI: 10.1007/s11916-023-01108-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2023] [Indexed: 04/21/2023]
Abstract
Even prior to the COVID-19 pandemic, rates of ambulatory surgeries and ambulatory patients presenting with substance use disorder were increasing, and the end of lockdown has further catalyzed the increasing rates of ambulatory patients presenting for surgery with substance use disorder (SUD). Certain subspecialty groups of ambulatory procedures have already established protocols to optimize early recovery after surgery (ERAS), and these groups have subsequently enjoyed improved efficiency and reduced adverse outcomes as a result. In this present investigation, we review the literature as it relates to substance use disorder patients, with a particular focus on pharmacokinetic and pharmacodynamic profiles, and their resulting impact on the acute- or chronic user ambulatory patient. The systematic literature review findings are organized and summarized. We conclude by identifying areas of opportunity for further study, specifically with the aim of developing a dedicated ERAS protocol for substance use disorder patients in the ambulatory surgery setting. - Healthcare in the USA has seen an increase in rates of both substance use disorder patients and separately in ambulatory surgery cases. - Specific perioperative protocols to optimize outcomes for patients who suffer from substance use disorder have been described in recent years. - Agents of interest like opioids, cannabis, and amphetamines are the top three most abused substances in North America. - A protocol and recommend further work should be done to integrate with concrete clinical data, in which strategies should be employed to confer benefits to patient outcomes and hospital quality metrics like those enjoyed by ERAS protocol in other settings.
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Affiliation(s)
- Nicholas M Zwolinski
- Department of Anesthesiology, Yale University School of Medicine, 333, Cedar Street, New Haven, CT, 06520, USA
| | - Kaiwal S Patel
- Department of Anesthesiology, Yale University School of Medicine, 333, Cedar Street, New Haven, CT, 06520, USA
| | - Nalini Vadivelu
- Department of Anesthesiology, Yale University School of Medicine, 333, Cedar Street, New Haven, CT, 06520, USA
| | - Gopal Kodumudi
- Department of Anesthesiology, LSU School of Medicine, 1542 Tulane Avenue Room 659, New Orleans, LA, 70112, USA
| | - Alan David Kaye
- Department of Anesthesiology, LSU School of Medicine, 1542 Tulane Avenue Room 659, New Orleans, LA, 70112, USA.
- Department of Anesthesiology, Louisiana State University Health Sciences Center, 1501 Kings Hwy, Shreveport, LA, 71103, USA.
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15
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Post-acute Withdrawal Syndrome. J Addict Med 2023; 17:219-221. [PMID: 36731102 DOI: 10.1097/adm.0000000000001047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Post-acute withdrawal syndrome is an underresearched topic that affects many patients with substance use disorders after the cessation of substance use. Post-acute withdrawal syndrome is exemplified by the occurrence of substance-specific withdrawal signs and symptoms lasting well past the known timeframe for acute withdrawal of a used substance. Post-acute withdrawal syndrome may also include signs and symptoms that are not substance specific that persist, evolve, or appear well past the expected acute withdrawal timeframe. Unfortunately, there is very little scientific literature on post-acute withdrawal syndrome. As a result of this, there are no diagnostic criteria for post-acute withdrawal syndrome, and there is no consensus on the proper name for the condition. We present a case of a 38-year-old man who developed post-acute withdrawal syndrome after treatment with buprenorphine for opioid use disorder and review the limited existing literature on post-acute withdrawal syndrome.
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Domi E, Barchiesi R, Barbier E. Epigenetic Dysregulation in Alcohol-Associated Behaviors: Preclinical and Clinical Evidence. Curr Top Behav Neurosci 2023. [PMID: 36717533 DOI: 10.1007/7854_2022_410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Alcohol use disorder (AUD) is characterized by loss of control over intake and drinking despite harmful consequences. At a molecular level, AUD is associated with long-term neuroadaptations in key brain regions that are involved in reward processing and decision-making. Over the last decades, a great effort has been made to understand the neurobiological basis underlying AUD. Epigenetic mechanisms have emerged as an important mechanism in the regulation of long-term alcohol-induced gene expression changes. Here, we review the literature supporting a role for epigenetic processes in AUD. We particularly focused on the three most studied epigenetic mechanisms: DNA methylation, Histone modification and non-coding RNAs. Clinical studies indicate an association between AUD and DNA methylation both at the gene and global levels. Using behavioral paradigms that mimic some of the characteristics of AUD, preclinical studies demonstrate that changes in epigenetic mechanisms can functionally impact alcohol-associated behaviors. While many studies support a therapeutic potential for targeting epigenetic enzymes, more research is needed to fully understand their role in AUD. Identification of brain circuits underlying alcohol-associated behaviors has made major advances in recent years. However, there are very few studies that investigate how epigenetic mechanisms can affect these circuits or impact the neuronal ensembles that promote alcohol-associated behaviors. Studies that focus on the role of circuit-specific and cell-specific epigenetic changes for clinically relevant alcohol behaviors may provide new insights on the functional role of epigenetic processes in AUD.
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Affiliation(s)
- Esi Domi
- Department of Biomedical and Clinical Sciences, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
- School of Pharmacy, Pharmacology Unit, Center for Neuroscience, University of Camerino, Camerino, Italy
| | - Riccardo Barchiesi
- Department of Neuroscience, Waggoner Center for Alcohol and Alcohol Addiction Research, University of Texas at Austin, Austin, TX, USA
| | - Estelle Barbier
- Department of Biomedical and Clinical Sciences, Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden.
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17
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Gallus S, Lugo A, Borroni E, Vignoli T, Lungaro L, Caio G, De Giorgio R, Zoli G, Caputo F. Symptoms of Protracted Alcohol Withdrawal in Patients with Alcohol Use Disorder: A Comprehensive Systematic Review. Curr Neuropharmacol 2023; 21:409-416. [PMID: 35794766 PMCID: PMC10190151 DOI: 10.2174/1570159x20666220706105253] [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: 10/29/2021] [Revised: 03/31/2022] [Accepted: 04/29/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Alcohol withdrawal syndrome (AWS) is characterized by different phases (acute, early and protracted). Protracted alcohol withdrawal (PAW) presents some symptoms, which may persist for several weeks, months or even years after drinking cessation. METHODS We conducted a systematic review of the literature in major scientific databases on selected AWS symptoms (craving, sleep disorders, and anhedonia) in patients with alcohol use disorder. RESULTS Of the 102 eligible publications (70 RCTs and 32 cohort studies), 88 provided data on craving, 21 on sleep disorders, and 1 on anhedonia. Overall, 37 studies assessed craving using the Obsessive Compulsive Drinking Scale (OCDS). Pooled OCDS decreased from 24.2 at baseline to 18.8 at 1 week, 10.3 at 1 month and 9.7 at 3 months. The corresponding estimates for treated individuals were 23.9, 18.8, 8.7, and 8.8, and for non-treated subjects, they were 25.3, 13.9, 13.2, and 11.4, respectively. In 4 studies assessing sleep disorders using the Epworth Sleeping Scale (ESS), the scale remained stable in time, i.e., 7.3 at baseline, 7.3 at 1 week, 7.2 at 1 month, and 7.1 at 3 months. CONCLUSION This study confirms the presence of PAW after the resolution of the acute phase of AWS. The pharmacological approach to managing PAW may ensure a more rapid reduction of symptoms in three weeks. We highlight the importance of studying PAW and the ability of pharmacological treatment to reduce its symptoms. This review protocol is registered in Prospero (registration number: CRD42020211265). SUMMARY This systematic review summarizes literature on major symptoms of protracted alcohol withdrawal in patients with alcohol use disorder. The pharmacological approach to manage protracted alcohol withdrawal ensures a more rapid reduction of symptoms (craving in particular), achieving in three weeks similar results obtained only after almost 6 months without treatment.
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Affiliation(s)
- Silvano Gallus
- Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Alessandra Lugo
- Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Elisa Borroni
- Department of Environmental Health Sciences, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Teo Vignoli
- Department of Addiction and Mental Health, Romagna Healthcare Service, Lugo Addiction Unit, Bologna, Emilia- Romagna, Italy
| | - Lisa Lungaro
- Department of Translational Medicine, Centre for the Study and Treatment of Alcohol-Related Diseases, University of Ferrara, Ferrara, Italy
| | - Giacomo Caio
- Department of Translational Medicine, Centre for the Study and Treatment of Alcohol-Related Diseases, University of Ferrara, Ferrara, Italy
| | - Roberto De Giorgio
- Department of Translational Medicine, Centre for the Study and Treatment of Alcohol-Related Diseases, University of Ferrara, Ferrara, Italy
| | - Giorgio Zoli
- Centre for the Study and Treatment of Alcohol-Related Diseases, Department of Translational Medicine, University of Ferrara, Ferrara, Italy
- Department of Internal Medicine, SS Annunziata Hospital, University of Ferrara, Cento (Ferrara), Italy
| | - Fabio Caputo
- Department of Translational Medicine, Centre for the Study and Treatment of Alcohol-Related Diseases, University of Ferrara, Ferrara, Italy
- Department of Internal Medicine, SS Annunziata Hospital, University of Ferrara, Cento (Ferrara), Italy
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18
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Goutaudier R, Joly F, Mallet D, Bartolomucci M, Guicherd D, Carcenac C, Vossier F, Dufourd T, Boulet S, Deransart C, Chovelon B, Carnicella S. Hypodopaminergic state of the nigrostriatal pathway drives compulsive alcohol use. Mol Psychiatry 2023; 28:463-474. [PMID: 36376463 PMCID: PMC9812783 DOI: 10.1038/s41380-022-01848-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 10/18/2022] [Indexed: 11/16/2022]
Abstract
The neurobiological mechanisms underlying compulsive alcohol use, a cardinal feature of alcohol use disorder, remain elusive. The key modulator of motivational processes, dopamine (DA), is suspected to play an important role in this pathology, but its exact role remains to be determined. Here, we found that rats expressing compulsive-like alcohol use, operationalized as punishment-resistant self-administration, showed a decrease in DA levels restricted to the dorsolateral territories of the striatum, the main output structure of the nigrostriatal DA pathway. We then causally demonstrated that chemogenetic-induced selective hypodopaminergia of this pathway resulted in compulsive-like alcohol self-administration in otherwise resilient rats, accompanied by the emergence of alcohol withdrawal-like motivational impairments (i.e., impaired motivation for a natural reinforcer). Finally, the use of the monoamine stabilizer OSU6162, previously reported to correct hypodopaminergic states, transiently decreased compulsive-like alcohol self-administration in vulnerable rats. These results suggest a potential critical role of tonic nigrostriatal hypodopaminergic states in alcohol addiction and provide new insights into our understanding of the neurobiological mechanisms underlying compulsive alcohol use.
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Affiliation(s)
- Raphaël Goutaudier
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Fanny Joly
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - David Mallet
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Magali Bartolomucci
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, CHU Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Denis Guicherd
- grid.410529.b0000 0001 0792 4829Service de Biochimie, Biologie Moléculaire, Toxicologie Environnementale, CHU de Grenoble-Alpes Site Nord − Institut de Biologie et de Pathologie, F-38041 Grenoble, France
| | - Carole Carcenac
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Frédérique Vossier
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Thibault Dufourd
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Sabrina Boulet
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Colin Deransart
- grid.462307.40000 0004 0429 3736Inserm, U1216, Univ. Grenoble Alpes, CHU Grenoble Alpes, Grenoble Institut Neurosciences, 38000 Grenoble, France
| | - Benoit Chovelon
- grid.410529.b0000 0001 0792 4829Service de Biochimie, Biologie Moléculaire, Toxicologie Environnementale, CHU de Grenoble-Alpes Site Nord − Institut de Biologie et de Pathologie, F-38041 Grenoble, France ,grid.4444.00000 0001 2112 9282Univ. Grenoble Alpes, CNRS, DPM, 38000 Grenoble, France
| | - Sebastien Carnicella
- Inserm, U1216, Univ. Grenoble Alpes, Grenoble Institut Neurosciences, 38000, Grenoble, France.
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Zhan B, Zhu Y, Xia J, Li W, Tang Y, Beesetty A, Ye JH, Fu R. Comorbidity of Post-Traumatic Stress Disorder and Alcohol Use Disorder: Animal Models and Associated Neurocircuitry. Int J Mol Sci 2022; 24:ijms24010388. [PMID: 36613829 PMCID: PMC9820348 DOI: 10.3390/ijms24010388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/12/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
Post-traumatic stress disorder (PTSD) and alcohol use disorder (AUD) are prevalent neuropsychiatric disorders and frequently co-occur concomitantly. Individuals suffering from this dual diagnosis often exhibit increased symptom severity and poorer treatment outcomes than those with only one of these diseases. Lacking standard preclinical models limited the exploration of neurobiological mechanisms underlying PTSD and AUD comorbidity. In this review, we summarize well-accepted preclinical model paradigms and criteria for developing successful models of comorbidity. We also outline how PTSD and AUD affect each other bidirectionally in the nervous nuclei have been heatedly discussed recently. We hope to provide potential recommendations for future research.
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Affiliation(s)
- Bo Zhan
- Department of Anatomy, School of Medicine, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China
| | - Yingxin Zhu
- Department of Anatomy, School of Medicine, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China
| | - Jianxun Xia
- Department of Basic Medical Sciences, Yunkang School of Medicine and Health, Nanfang College, Guangzhou 510970, China
| | - Wenfu Li
- Department of Anatomy, School of Medicine, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China
| | - Ying Tang
- Department of Biology, School of Life Science, Southern University of Science and Technology, Shenzhen 518055, China
| | - Anju Beesetty
- Department of Anesthesiology, Pharmacology, Physiology & Neuroscience, Rutgers, New Jersey Medical School, The State University of New Jersey, Newark, NJ 07103, USA
| | - Jiang-Hong Ye
- Department of Anesthesiology, Pharmacology, Physiology & Neuroscience, Rutgers, New Jersey Medical School, The State University of New Jersey, Newark, NJ 07103, USA
- Correspondence: (J.-H.Y.); (R.F.)
| | - Rao Fu
- Department of Anatomy, School of Medicine, Shenzhen Campus of Sun Yat-sen University, Sun Yat-sen University, Shenzhen 518107, China
- Correspondence: (J.-H.Y.); (R.F.)
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20
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Meyer C, Schoettner K, Amir S. The effects of circadian desynchronization on alcohol consumption and affective behavior during alcohol abstinence in female rats. Front Behav Neurosci 2022; 16:1044783. [PMID: 36620855 PMCID: PMC9813852 DOI: 10.3389/fnbeh.2022.1044783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 12/02/2022] [Indexed: 12/24/2022] Open
Abstract
Disruption of circadian rhythmicity distorts physiological and psychological processes and has major consequences on health and well-being. A chronic misalignment within the internal time-keeping system modulates alcohol consumption and contributes to stress-related psychiatric disorders which are known to trigger alcohol misuse and relapse. While there is growing evidence of the deleterious impact of circadian disruption on male physiology and behavior, knowledge about the effect in females remains limited. The present study aims to fill the gap by assessing the relationship between internal desynchronization and alcohol intake behavior in female rats. Female Wistar rats kept under standard 24-h, 22-h light-dark conditions, or chronic 6-h advanced phase shifts, were given intermittent access to 20% alcohol followed by an extended alcohol deprivation period. Alcohol consumption under altered light-dark (LD) conditions was assessed and emotional behavior during alcohol abstinence was evaluated. Internally desynchronization in female rats does not affect alcohol consumption but alters scores of emotionality during alcohol abstinence. Changes in affective-like behaviors were accompanied by reduced body weight gain and estrous irregularities under aberrant LD conditions. Our data suggest that internal desynchronization caused by environmental factors is not a major factor contributing to the onset and progression of alcohol abuse, but highlights the need of maintaining circadian hygiene as a supportive remedy during alcohol rehabilitation.
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Abstract
Alcohol is one of the most widely consumed psychoactive drugs globally. Hazardous drinking, defined by quantity and frequency of consumption, is associated with acute and chronic morbidity. Alcohol use disorders (AUDs) are psychiatric syndromes characterized by impaired control over drinking and other symptoms. Contemporary aetiological perspectives on AUDs apply a biopsychosocial framework that emphasizes the interplay of genetics, neurobiology, psychology, and an individual's social and societal context. There is strong evidence that AUDs are genetically influenced, but with a complex polygenic architecture. Likewise, there is robust evidence for environmental influences, such as adverse childhood exposures and maladaptive developmental trajectories. Well-established biological and psychological determinants of AUDs include neuroadaptive changes following persistent use, differences in brain structure and function, and motivational determinants including overvaluation of alcohol reinforcement, acute effects of environmental triggers and stress, elevations in multiple facets of impulsivity, and lack of alternative reinforcers. Social factors include bidirectional roles of social networks and sociocultural influences, such as public health control strategies and social determinants of health. An array of evidence-based approaches for reducing alcohol harms are available, including screening, pharmacotherapies, psychological interventions and policy strategies, but are substantially underused. Priorities for the field include translating advances in basic biobehavioural research into novel clinical applications and, in turn, promoting widespread implementation of evidence-based clinical approaches in practice and health-care systems.
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Attenuation of the levels of pro-inflammatory cytokines prevents depressive-like behavior during ethanol withdrawal in mice. Brain Res Bull 2022; 191:9-19. [DOI: 10.1016/j.brainresbull.2022.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 10/13/2022] [Accepted: 10/18/2022] [Indexed: 11/18/2022]
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Shields CN, Gremel CM. Effects of central amygdala chemogenetic manipulation and prior chronic alcohol exposure on Pavlovian-to-instrumental transfer. Alcohol Clin Exp Res 2022; 46:1967-1979. [PMID: 36117381 PMCID: PMC9722516 DOI: 10.1111/acer.14948] [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: 05/24/2022] [Revised: 08/09/2022] [Accepted: 09/13/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Recent work suggests that a history of chronic alcohol exposure can enhance the influence of nondrug reward cues on ongoing actions. This is often modeled in Pavlovian-to-instrumental transfer (PIT) tasks that examine the interaction between Pavlovian and instrumental learning processes, usually reflected as an increase in action vigor during the presentation of a reward-associated cue. Though prior chronic alcohol exposure strengthens this type of cue-guided behavior, the neural mechanisms underlying such enhancements are not known. METHODS In the present work, we examined the contribution of the central amygdala (CeA), a region strongly implicated in PIT behaviors and functionally altered by chronic alcohol exposure. We utilized Designer Receptors Exclusively Activated by Designer Drugs (DREADDs) to examine the impact of inhibitory and excitatory CeA manipulation on PIT behaviors in alcohol-naïve mice and mice with a history of chronic intermittent ethano vapor exposure and withdrawal (CIE). RESULTS Replicating previous work, we found that a history of CIE strengthened baseline PIT, in the absence of any CeA manipulation. We also found that activation of both inhibitory and excitatory DREADDs expressed in CeA enhanced PIT in alcohol-naïve mice, though the latter markedly reduced response rates. However, in mice exposed to CIE, activation of excitatory DREADD receptors expressed in CeA appeared to weaken PIT. CONCLUSIONS These results suggest that alcohol-induced disruptions in amygdala function may contribute to changes in appetitive behaviors, such as cue-guided responding, following chronic exposure to alcohol. Better elucidating the neural mechanisms that underlie disrupted cue-guided behavior following chronic alcohol exposure may help to understand and treat deficits in adaptive behavior associated with chronic alcohol use in humans.
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Affiliation(s)
- Chloe N. Shields
- Department of Psychology, University of California San Diego, La Jolla, CA 92093, USA
| | - Christina M. Gremel
- Department of Psychology, University of California San Diego, La Jolla, CA 92093, USA
- The Neurosciences Graduate Program, University of California San Diego, La Jolla, CA 92093, USA
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24
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Meredith LR, Green R, Grodin EN, Chorpita M, Miotto K, Ray LA. Ibudilast moderates the effect of mood on alcohol craving during stress exposure. Exp Clin Psychopharmacol 2022; 30:620-631. [PMID: 36102596 PMCID: PMC9484034 DOI: 10.1037/pha0000458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Neuroinflammation is implicated in the development and maintenance of alcohol use disorder (AUD) and neuroimmune therapeutics show promise in treating AUD. Proinflammatory signaling contributes to progressive elevations in the dysfunction of mood and alcohol craving. The current study sought to examine potential biobehavioral mechanisms of neuroimmune modulation in AUD under experimental conditions. In a community sample of individuals with AUD who completed a placebo-controlled crossover trial of ibudilast, we tested the effect of ibudilast on the relationship between mood states and alcohol craving. Multilevel modeling analyses tested the hypothesis that ibudilast would moderate the effect of positive and negative mood states on alcohol craving during stress and cue exposures. Results revealed that after stress-induction, participants' feelings of depression and happiness were more strongly predictive of their craving for alcohol while taking ibudilast as compared with placebo (ps < .03). These results suggest that with neuroimmune modulation, positive and negative mood states may have a stronger influence on one's desire to drink, such that craving may be more mood dependent. No moderating effect of ibudilast on mood states and craving were observed after alcohol cue exposure. Given the potential of anti-inflammatory treatments to reduce depressive symptomatology, this strengthened relationship between mood and craving under ibudilast might reduce the likelihood of stress-related craving and subsequent drinking over time. Moreover, ibudilast may enhance the benefits of happiness, such that maintaining positive mood in the face of acute stress may attenuate craving. Future trials directly testing the clinical implications of these mechanistic findings are warranted. (PsycInfo Database Record (c) 2022 APA, all rights reserved).
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Affiliation(s)
| | - ReJoyce Green
- Department of Psychology, University of California, Los Angeles, CA, USA
| | - Erica N. Grodin
- Department of Psychology, University of California, Los Angeles, CA, USA
| | - Marie Chorpita
- Department of Psychology, University of California, Los Angeles, CA, USA
| | - Karen Miotto
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA
| | - Lara A. Ray
- Department of Psychology, University of California, Los Angeles, CA, USA
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, CA, USA
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Gajbhiye S, Bhangre A, Tripathi RK, Jalgaonkar S, Shankar A, Koli PG. Evaluation of Antidepressant Effect of Minocycline in Alcohol Abstinence-Induced Depression Model in Mice. Cureus 2022; 14:e28711. [PMID: 36211101 PMCID: PMC9529019 DOI: 10.7759/cureus.28711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/31/2022] [Indexed: 11/05/2022] Open
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Seemiller LR, Logue SF, Gould TJ. Inbred mouse strain differences in alcohol and nicotine addiction-related phenotypes from adolescence to adulthood. Pharmacol Biochem Behav 2022; 218:173429. [PMID: 35820468 DOI: 10.1016/j.pbb.2022.173429] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 06/18/2022] [Accepted: 07/06/2022] [Indexed: 11/20/2022]
Abstract
Understanding the genetic basis of a predisposition for nicotine and alcohol use across the lifespan is important for public health efforts because genetic contributions may change with age. However, parsing apart subtle genetic contributions to complex human behaviors is a challenge. Animal models provide the opportunity to study the effects of genetic background and age on drug-related phenotypes, while controlling important experimental variables such as amount and timing of drug exposure. Addiction research in inbred, or isogenic, mouse lines has demonstrated genetic contributions to nicotine and alcohol abuse- and addiction-related behaviors. This review summarizes inbred mouse strain differences in alcohol and nicotine addiction-related phenotypes including voluntary consumption/self-administration, initial sensitivity to the drug as measured by sedative, hypothermic, and ataxic effects, locomotor effects, conditioned place preference or place aversion, drug metabolism, and severity of withdrawal symptoms. This review also discusses how these alcohol and nicotine addiction-related phenotypes change from adolescence to adulthood.
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Affiliation(s)
- Laurel R Seemiller
- Department of Biobehavioral Health, Penn State University, University Park, PA, USA
| | - Sheree F Logue
- Department of Biobehavioral Health, Penn State University, University Park, PA, USA
| | - Thomas J Gould
- Department of Biobehavioral Health, Penn State University, University Park, PA, USA.
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Bahji A, Crockford D, El-Guebaly N. Management of Post-Acute Alcohol Withdrawal: A Mixed-Studies Scoping Review. J Stud Alcohol Drugs 2022; 83:470-479. [PMID: 35838423 PMCID: PMC9798381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 11/29/2021] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVE This article reviews research on post-acute alcohol withdrawal syndrome (PAWS) management. METHOD We conducted a PRISMA (Preferred Reporting Items for Systematic Revision and Meta-Analyses)-guided scoping review of the published PAWS literature, searching six electronic databases (from their inception through December 2020) for English-language randomized and nonrandomized studies. RESULTS A total of 16 treatment studies met the inclusion criteria. The strength of evidence overall for pharmacologic treatments is low, with often only short-term results being reported, small treatment samples used, or inconsistent results found. However, for negative affect and sleep symptoms, more evidence supports using gabapentinoids (gabapentin and pregabalin) and anticonvulsants (carbamazepine and oxcarbazepine). Although preliminary data support acamprosate, there were no controlled trials. Despite an older treatment trial showing some positive data for amitriptyline for mood, the clinical measures used were problematic, and side effects and safety profile limit its utility. Finally, there is no evidence that melatonin and other agents (homatropine, Proproten-100) show PAWS symptoms. CONCLUSIONS Although there is some evidence for targeted pharmacotherapy for treating specific PAWS symptoms, there are few recent, robust, placebo-controlled trials, and the level of evidence for treatment efficacy is low.
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Affiliation(s)
- Anees Bahji
- Department of Psychiatry, University of Calgary, Calgary, Alberta, Canada
| | - David Crockford
- Department of Psychiatry, University of Calgary, Calgary, Alberta, Canada
| | - Nady El-Guebaly
- Department of Psychiatry, University of Calgary, Calgary, Alberta, Canada
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28
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Mineur YS, Garcia-Rivas V, Thomas MA, Soares AR, McKee SA, Picciotto MR. Sex differences in stress-induced alcohol intake: a review of preclinical studies focused on amygdala and inflammatory pathways. Psychopharmacology (Berl) 2022; 239:2041-2061. [PMID: 35359158 PMCID: PMC9704113 DOI: 10.1007/s00213-022-06120-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 03/14/2022] [Indexed: 02/06/2023]
Abstract
Clinical studies suggest that women are more likely than men to relapse to alcohol drinking in response to stress; however, the mechanisms underlying this sex difference are not well understood. A number of preclinical behavioral models have been used to study stress-induced alcohol intake. Here, we review paradigms used to study effects of stress on alcohol intake in rodents, focusing on findings relevant to sex differences. To date, studies of sex differences in stress-induced alcohol drinking have been somewhat limited; however, there is evidence that amygdala-centered circuits contribute to effects of stress on alcohol seeking. In addition, we present an overview of inflammatory pathways leading to microglial activation that may contribute to alcohol-dependent behaviors. We propose that sex differences in neuronal function and inflammatory signaling in circuits centered on the amygdala are involved in sex-dependent effects on stress-induced alcohol seeking and suggest that this is an important area for future studies.
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Affiliation(s)
- Yann S Mineur
- Department of Psychiatry, Yale University, 34 Park Street, 3Rd Floor Research, New Haven, CT, 06508, USA
| | - Vernon Garcia-Rivas
- Department of Psychiatry, Yale University, 34 Park Street, 3Rd Floor Research, New Haven, CT, 06508, USA
| | - Merrilee A Thomas
- Department of Psychiatry, Yale University, 34 Park Street, 3Rd Floor Research, New Haven, CT, 06508, USA
| | - Alexa R Soares
- Department of Psychiatry, Yale University, 34 Park Street, 3Rd Floor Research, New Haven, CT, 06508, USA
- Yale Interdepartmental Neuroscience Program, New Haven, CT, USA
| | - Sherry A McKee
- Department of Psychiatry, Yale University, 34 Park Street, 3Rd Floor Research, New Haven, CT, 06508, USA
| | - Marina R Picciotto
- Department of Psychiatry, Yale University, 34 Park Street, 3Rd Floor Research, New Haven, CT, 06508, USA.
- Yale Interdepartmental Neuroscience Program, New Haven, CT, USA.
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Jones MR, Brandner AJ, Vendruscolo LF, Vendruscolo JCM, Koob GF, Schmeichel BE. Effects of Alcohol Withdrawal on Sleep Macroarchitecture and Microarchitecture in Female and Male Rats. Front Neurosci 2022; 16:838486. [PMID: 35757544 PMCID: PMC9226367 DOI: 10.3389/fnins.2022.838486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 02/22/2022] [Indexed: 11/17/2022] Open
Abstract
The prevalence of sleep disruptions is higher among people with alcohol use disorder (AUD), particularly during alcohol withdrawal, compared to non-AUD individuals. Although women generally have a higher risk of developing sleep disorders, few studies have investigated sex differences in sleep disruptions following chronic alcohol exposure. The present study examined sleep macroarchitecture (time spent asleep or awake and sleep onset latency) and microarchitecture (bout rate and duration and sleep spindle characterization) prior to alcohol vapor exposure (baseline), during acute withdrawal, and through protracted abstinence in female and male rats. Females and males showed reduced time in rapid eye movement (REM) sleep during acute withdrawal, which returned to baseline levels during protracted abstinence. REM sleep onset latency was decreased during protracted abstinence in females only. Furthermore, there was a sex difference observed in overall REM sleep bout rate. Although there were no changes in non-REM sleep time, or to non-REM sleep bout rate or duration, there was an increase in non-REM sleep intra-spindle frequency during acute withdrawal in both females and males. Finally, there was increased wakefulness time and bout duration during acute withdrawal in both females and males. The results demonstrate both macroarchitectural and microarchitectural changes in sleep following chronic alcohol exposure, particularly during acute withdrawal, suggesting the need for therapeutic interventions for sleep disturbances during withdrawal in individuals with AUD. Furthermore, sex differences were observed in REM sleep, highlighting the importance of including both sexes in future alcohol-related sleep studies.
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Affiliation(s)
- Marissa R Jones
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States
| | - Adam J Brandner
- Neurobiology of Addiction Section, Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, United States
| | - Leandro F Vendruscolo
- Neurobiology of Addiction Section, Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, United States
| | - Janaina C M Vendruscolo
- Neurobiology of Addiction Section, Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, United States
| | - George F Koob
- Neurobiology of Addiction Section, Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, United States
| | - Brooke E Schmeichel
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, TN, United States.,Neurobiology of Addiction Section, Integrative Neuroscience Research Branch, National Institute on Drug Abuse, Intramural Research Program, Baltimore, MD, United States
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Bloch S, Holleran KM, Kash TL, Vazey EM, Rinker JA, Lebonville CL, O'Hara K, Lopez MF, Jones SR, Grant KA, Becker HC, Mulholland PJ. Assessing negative affect in mice during abstinence from alcohol drinking: Limitations and future challenges. Alcohol 2022; 100:41-56. [PMID: 35181404 PMCID: PMC8983487 DOI: 10.1016/j.alcohol.2022.02.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 02/09/2022] [Accepted: 02/09/2022] [Indexed: 01/09/2023]
Abstract
Alcohol use disorder (AUD) is frequently comorbid with mood disorders, and these co-occurring neuropsychiatric disorders contribute to the development and maintenance of alcohol dependence and relapse. In preclinical models, mice chronically exposed to alcohol display anxiety-like and depressive-like behaviors during acute withdrawal and protracted abstinence. However, in total, results from studies using voluntary alcohol-drinking paradigms show variable behavioral outcomes in assays measuring negative affective behaviors. Thus, the main objective of this review is to summarize the literature on the variability of negative affective behaviors in mice after chronic alcohol exposure. We compare the behavioral phenotypes that emerge during abstinence across different exposure models, including models of alcohol and stress interactions. The complicated outcomes from these studies highlight the difficulties of assessing negative affective behaviors in mouse models designed for the study of AUD. We discuss new behavioral assays, comprehensive platforms, and unbiased machine-learning algorithms as promising approaches to better understand the interaction between alcohol and negative affect in mice. New data-driven approaches in the understanding of mouse behavior hold promise for improving the identification of mechanisms, cell subtypes, and neurocircuits that mediate negative affect. In turn, improving our understanding of the neurobehavioral basis of alcohol-associated negative affect will provide a platform to test hypotheses in mouse models that aim to improve the development of more effective strategies for treating individuals with AUD and co-occurring mood disorders.
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Affiliation(s)
- Solal Bloch
- Department of Neuroscience, Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Katherine M Holleran
- Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC 27101, United States
| | - Thomas L Kash
- Bowles Center for Alcohol Studies, Department of Pharmacology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States
| | - Elena M Vazey
- Department of Biology, University of Massachusetts Amherst, Amherst, MA 01003, United States
| | - Jennifer A Rinker
- Department of Neuroscience, Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Christina L Lebonville
- Department of Neuroscience, Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Krysten O'Hara
- Department of Neuroscience, Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Marcelo F Lopez
- Department of Psychiatry & Behavioral Sciences, Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Sara R Jones
- Department of Physiology and Pharmacology, Wake Forest School of Medicine, Winston-Salem, NC 27101, United States
| | - Kathleen A Grant
- Division of Neuroscience, Oregon National Primate Research Center, Oregon Health & Science University, Beaverton, OR 97006, United States
| | - Howard C Becker
- Department of Psychiatry & Behavioral Sciences, Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC 29425, United States
| | - Patrick J Mulholland
- Department of Neuroscience, Charleston Alcohol Research Center, Medical University of South Carolina, Charleston, SC 29425, United States.
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Acute stress and alcohol exposure during adolescence result in an anxious phenotype in adulthood: Role of altered glutamate/endocannabinoid transmission mechanisms. Prog Neuropsychopharmacol Biol Psychiatry 2022; 113:110460. [PMID: 34695542 DOI: 10.1016/j.pnpbp.2021.110460] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 10/13/2021] [Accepted: 10/16/2021] [Indexed: 12/31/2022]
Abstract
BACKGROUND Stressful episodes and high alcohol consumption during adolescence are considered major risk factors for the development of psychiatric disorders in adulthood. Identification of mechanisms underlying these early events, which enhanced vulnerability to mental illness, is essential for both their prevention and treatment. METHODS Male Wistar rats were used to investigate the long-term effects of early restraint stress and intermittent alcohol exposure (intragastric administration of 3 g/kg ethanol; 4 days/week for 4 weeks during adolescence) on anxiety-like behavior and the expression of signaling systems associated with emotional behaviors [e.g., corticosterone, fatty acid-derived molecules and endocannabinoid enzymes, glutamate receptor subunits, corticotropin releasing hormone receptors (CRHR1 and CRHR2) and neuropeptide Y receptors (NPY1R and NPYR2)] in the blood and amygdala. RESULTS Overall, both stress and alcohol exposure during adolescence induced anxiogenic-like behaviors, increased plasma levels of corticosterone and increases in the amygdalar expression of the cannabinoid CB2 receptor and certain subunits of glutamate receptors (i.e., mGluR1, mGluR5 and NMDAR1) in young adult rats. In addition, there were specific main effects of alcohol exposure on the expression of the cannabinoid CB1 receptor, monoacylglycerol lipase (MAGL) and NPY2R in the amygdala, and significant increases were observed in rats exposed to alcohol. Interestingly, there were significant interaction effects between restraint stress and alcohol exposure on the expression of plasma 2-arachidonoyl glycerol (2-AG), and both CRHR1,2 and NPY1R in the amygdala. Thus, the restraint stress was associated with increased 2-AG levels, which was not observed in rats exposed to alcohol. The alcohol exposure was associated with an increased expression of CRHR1,2 but the restraint stress prevented these increases (stress alcohol rats). In contrast, NPY1R was only increased in rats exposed to stress and alcohol. Finally, we did not observe any potentiation of the behavioral and molecular effects by the combination of stress and alcohol, which is concordant with an overall ceiling effect on some of the variables. CONCLUSION Separate and combined early stress and alcohol induced a common anxious phenotype with increased corticosterone in adulthood. However, there were differences in the amygdalar expression of signaling systems involved in maladaptive changes in emotional behavior. Therefore, our results suggest the existence of partially different mechanisms for stress and alcohol exposures.
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N 6-substituated adenosine analog J4 attenuates anxiety-like behaviors in mice. Psychopharmacology (Berl) 2022; 239:887-895. [PMID: 35102423 PMCID: PMC9063204 DOI: 10.1007/s00213-022-06079-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/27/2022] [Indexed: 10/19/2022]
Abstract
RATIONALE Withdrawal from chronic alcohol exposure produces various physical and mental withdrawal symptoms. Activation of adenosine receptors is known to inhibit withdrawal-induced excitation. However, limited studies investigate how adenosine analogs may prove helpful tools to alleviate alcohol withdrawal-related affective behaviors. OBJECTIVES This study aimed to investigate the effects of J4 compared with saline using the mice vapor or voluntary ethanol drinking model on behavioral endpoints representing ethanol-withdrawal negative emotionality commonly observed during abstinence from chronic alcohol use. METHODS We subjected C57BL/6 J mice to chronic intermittent ethanol (CIE) exposure schedule to investigate how 72-h withdrawal from alcohol alters affective-like behavior. Next, we determined how treatment with J4, a second-generation adenosine analog, influenced affective behaviors produced by alcohol withdrawal. Finally, we determined how J4 treatment alters voluntary ethanol drinking using the two-bottle-choice drinking paradigm. RESULTS Our results show that 72-h withdrawal from chronic intermittent ethanol exposure produces limited affective-like disturbances in male C57BL/6 J mice exposed to 4 cycles ethanol vapor. Most importantly, J4 treatment irrespective of ethanol exposure decreases innate anxiety-like behavior in mice. CONCLUSIONS Withdrawal from chronic intermittent ethanol exposure and subsequent behavioral testing 72 h later produces minimal affective-like behavior. J4 treatment did however reduce marble-burying behavior and increased time spent in open arms of the elevated plus maze, suggesting J4 may be useful as a general anxiolytic.
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Sampedro‐Piquero P, Moreno‐Fernández RD, Begega A, López M, Santín LJ. Long-term consequences of alcohol use in early adolescent mice: Focus on neuroadaptations in GR, CRF and BDNF. Addict Biol 2022; 27:e13158. [PMID: 35229955 DOI: 10.1111/adb.13158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 01/11/2022] [Accepted: 01/26/2022] [Indexed: 01/04/2023]
Abstract
Our aim was to assess the cognitive and emotional state, as well as related-changes in the glucocorticoid receptor (GR), the corticotropin-releasing factor (CRF) and the brain-derived neurotrophic factor (BDNF) expression of adolescent C57BL/6J male mice after a 5-week two-bottle choice protocol (postnatal day [pd]21 to pd52). Additionally, we wanted to analyse whether the behavioural and neurobiological effects observed in late adolescence (pd62) lasted until adulthood (pd84). Behavioural testing revealed that alcohol during early adolescence increased anxiety-like and compulsive-related behaviours, which was maintained in adulthood. Concerning cognition, working memory was only altered in late adolescent mice, whereas object location test performance was impaired in both ages. In contrast, novel object recognition remained unaltered. Immunohistochemical analysis showed that alcohol during adolescence diminished BDNF+ cells in the cingulate cortex, the hippocampal CA1 layer and the central amygdala. Regarding hypothalamic-pituitary-adrenal axis (HPA) functioning, alcohol abuse increased the GR and CRF expression in the hypothalamic paraventricular nucleus and the central amygdala. Besides this, GR density was also higher in the prelimbic cortex and the basolateral amygdala, regardless of the animals' age. Our findings suggest that adolescent alcohol exposure led to long-term behavioural alterations, along with changes in BDNF, GR and CRF expression in limbic brain areas involved in stress response, emotional regulation and cognition.
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Affiliation(s)
- Patricia Sampedro‐Piquero
- Departamento de Psicología Biológica y de la Salud, Facultad de Psicología Universidad Autónoma de Madrid Madrid Spain
| | | | - Azucena Begega
- Departamento de Psicología, Facultad de Psicología Universidad de Oviedo Oviedo Spain
| | - Matías López
- Departamento de Psicología, Facultad de Psicología Universidad de Oviedo Oviedo Spain
| | - Luis J. Santín
- Departamento de Psicobiología y Metodología de las Ciencias del Comportamiento, Facultad de Psicología Universidad de Málaga Málaga Spain
- Neuroimmunology and NeuroInflammation Department Instituto de Investigación Biomédica de Málaga‐IBIMA Málaga Spain
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Neppala GK, Terkuhle I, Wagner A, Lepow L, Shaik RB, Freed R, Kimhy D, Pietrzak RH, Velthorst E, Feder A, Ivanov I, Parvaz MA. Social Isolation-Mediated Exacerbation of Negative Affect in Young Drinkers during the COVID-19 Pandemic. Brain Sci 2022; 12:brainsci12020214. [PMID: 35203977 PMCID: PMC8870361 DOI: 10.3390/brainsci12020214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 01/26/2022] [Accepted: 02/02/2022] [Indexed: 02/04/2023] Open
Abstract
Emerging research on psychological adjustment during the COVID-19 outbreak has suggested that young people may be particularly vulnerable to increases in negative affect during the pandemic. However, the association between alcohol use in youth and change in negative affect during this unprecedented time is not clear. Using an online survey, this study obtained scores on negative affect (before and during the COVID-19 pandemic), pandemic-related stress, change in drinking frequency, and traits including resilience, impulsivity and anhedonia, from a sample of drinkers and non-drinkers, up to the age of 21. Young drinkers experienced a greater increase in negative affect during the pandemic compared to non-drinkers, and this differential rise in negative affect was mediated by the pandemic-related stress of social isolation. Young drinkers also experienced a decrease in alcohol use during the pandemic, but this was not associated with a change in negative affect. Interestingly, young drinkers with greater resilience and lower anhedonia reported less increase in negative affect during the COVID-19 pandemic. Taken together, these results show that the greater increase in negative affect that young drinkers experienced during the COVID-19 pandemic, compared to their non-drinking counterparts, was mediated by pandemic-related social isolation. Moreover, greater resilience and lower anhedonia may have served as protective factors for mitigating the social isolation-induced worsening of negative affect in young drinkers during the pandemic. These findings may inform future studies investigating potential indicators of maladaptive affective responses to public health crises in vulnerable adolescent populations.
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Affiliation(s)
- Gopi K. Neppala
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Isabel Terkuhle
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Ariella Wagner
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Lauren Lepow
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Riaz B. Shaik
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Rachel Freed
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - David Kimhy
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Robert H. Pietrzak
- U.S. Department of Veterans Affairs, National Center for Posttraumatic Stress Disorder, VA Connecticut Healthcare System, West Haven, CT 06516, USA;
- Department of Psychiatry, Yale School of Medicine, New Haven, CT 06511, USA
- Department of Social and Behavioral Sciences, Yale School of Public Health, New Haven, CT 06520, USA
| | - Eva Velthorst
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Adriana Feder
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Iliyan Ivanov
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
| | - Muhammad A. Parvaz
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA; (G.K.N.); (I.T.); (A.W.); (L.L.); (R.B.S.); (R.F.); (D.K.); (E.V.); (A.F.); (I.I.)
- Department of Neuroscience, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
- Correspondence:
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Grinevich VP, Krupitsky EM, Gainetdinov RR, Budygin EA. Linking Ethanol-Addictive Behaviors With Brain Catecholamines: Release Pattern Matters. Front Behav Neurosci 2022; 15:795030. [PMID: 34975429 PMCID: PMC8716449 DOI: 10.3389/fnbeh.2021.795030] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 11/26/2021] [Indexed: 12/30/2022] Open
Abstract
Using a variety of animal models that simulate key features of the alcohol use disorder (AUD), remarkable progress has been made in identifying neurochemical targets that may contribute to the development of alcohol addiction. In this search, the dopamine (DA) and norepinephrine (NE) systems have been long thought to play a leading role in comparison with other brain systems. However, just recent development and application of optogenetic approaches into the alcohol research field provided opportunity to identify neuronal circuits and specific patterns of neurotransmission that govern the key components of ethanol-addictive behaviors. This critical review summarizes earlier findings, which initially disclosed catecholamine substrates of ethanol actions in the brain and shows how the latest methodologies help us to reveal the significance of DA and NE release changes. Specifically, we focused on recent optogenetic investigations aimed to reveal cause-effect relationships between ethanol-drinking (seeking and taking) behaviors and catecholamine dynamics in distinct brain pathways. These studies gain the knowledge that is needed for the better understanding addiction mechanisms and, therefore, for development of more effective AUD treatments. Based on the reviewed findings, new messages for researches were indicated, which may have broad applications beyond the field of alcohol addiction.
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Affiliation(s)
- Vladimir P Grinevich
- Department of Neurobiology, Sirius University of Science and Technology, Sochi, Russia
| | - Evgeny M Krupitsky
- V.M. Bekhterev National Medical Research Center for Psychiatry and Neurology, St. Petersburg, Russia.,Laboratory of Clinical Psychopharmacology of Addictions, St.-Petersburg First Pavlov State Medical University, St. Petersburg, Russia
| | - Raul R Gainetdinov
- Department of Neurobiology, Sirius University of Science and Technology, Sochi, Russia.,Institute of Translational Biomedicine and St. Petersburg State University Hospital, St. Petersburg State University, St. Petersburg, Russia
| | - Evgeny A Budygin
- Department of Neurobiology, Sirius University of Science and Technology, Sochi, Russia
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36
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Haskell B. Identification and Evidence-Based Treatment of Post–Acute Withdrawal Syndrome. J Nurse Pract 2022. [DOI: 10.1016/j.nurpra.2021.12.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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37
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Cavicchioli M, Ogliari A, Movalli M, Maffei C. Persistent Deficits in Self-Regulation as a Mediator between Childhood Attention-Deficit/Hyperactivity Disorder Symptoms and Substance Use Disorders. Subst Use Misuse 2022; 57:1837-1853. [PMID: 36096483 DOI: 10.1080/10826084.2022.2120358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
The link between attention-deficit/hyperactivity disorder (ADHD) and substance use disorders (SUDs) has been largely demonstrated. Some scholars have hypothesized that self-regulation mechanisms might play a key role in explaining this association. Objective(s): The current study tested the hypothesis that retrospective childhood ADHD symptoms might lead to more severe SUDs and this association should be mediated by current self-ratings of behavioral disinhibition, inattention, and emotional dysregulation among 204 treatment-seeking adults (male: 67.3%; female: 32.7%) with a primary diagnosis of alcohol use disorder and other SUDs. Methods: The mediational model was estimated through self-report measures of childhood ADHD symptoms (independent variable; WURS), current self-regulation mechanisms (mediators)-behavioral disinhibition (BIS-11 motor subscale), difficulties with attention regulation (MAAS) and emotion regulation (DERS)-and severity of SUDs (dependent variable; SPQ alcohol, illicit and prescribed drugs). Results: The analysis showed that alterations in the self-regulation system fully mediated the association between the severity of childhood ADHD symptoms and SUDs in adulthood. Behavioral disinhibition and difficulties in attention regulation were the most representative alterations in self-regulation processes that explained this association. Conclusions: These findings suggest it is useful to implement several therapeutic approaches (e.g. behavioral, mindfulness-based, and pharmacological) to increase the self-regulation abilities of children and adolescents with ADHD in order to reduce the probability of SUD onset in adulthood. However, future longitudinal neuroimaging and neuropsychological studies are needed to further support the role of self-regulation mechanisms in explaining the prospective association between childhood ADHD symptoms and SUDs in adulthood.
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Affiliation(s)
- Marco Cavicchioli
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Anna Ogliari
- Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy.,Child in Mind Lab, University "Vita-Salute San Raffaele", Milan, Italy
| | - Mariagrazia Movalli
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Cesare Maffei
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
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38
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Bowen MT, George O, Muskiewicz DE, Hall FS. FACTORS CONTRIBUTING TO THE ESCALATION OF ALCOHOL CONSUMPTION. Neurosci Biobehav Rev 2022; 132:730-756. [PMID: 34839930 PMCID: PMC8892842 DOI: 10.1016/j.neubiorev.2021.11.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/05/2021] [Accepted: 11/12/2021] [Indexed: 01/03/2023]
Abstract
Understanding factors that contribute to the escalation of alcohol consumption is key to understanding how an individual transitions from non/social drinking to AUD and to providing better treatment. In this review, we discuss how the way ethanol is consumed as well as individual and environmental factors contribute to the escalation of ethanol consumption from intermittent low levels to consistently high levels. Moreover, we discuss how these factors are modelled in animals. It is clear a vast array of complex, interacting factors influence changes in alcohol consumption. Some of these factors act early in the acquisition of ethanol consumption and initial escalation, while others contribute to escalation of ethanol consumption at a later stage and are involved in the development of alcohol dependence. There is considerable need for more studies examining escalation associated with the formation of dependence and other hallmark features of AUD, especially studies examining mechanisms, as it is of considerable relevance to understanding and treating AUD.
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Affiliation(s)
- Michael T. Bowen
- The University of Sydney, Brain and Mind Centre, Sydney, NSW, 2050, Australia,The University of Sydney, Faculty of Science, School of Psychology, Sydney, NSW, 2006, Australia,Corresponding Author: Michael T. Bowen, Brain and Mind Centre, The University of Sydney, 94 Mallett Street, Camperdown, Sydney, NSW, 2050, Australia,
| | - Olivier George
- Department of Psychology, University of California, San Diego, School of Medicine, La Jolla, CA, 92093, USA
| | - Dawn E. Muskiewicz
- Department of Pharmacology & Experimental Therapeutics, College of Pharmacology and Pharmacological Science, University of Toledo, OH, USA
| | - F. Scott Hall
- Department of Pharmacology & Experimental Therapeutics, College of Pharmacology and Pharmacological Science, University of Toledo, OH, USA
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Meinhardt MW, Giannone F, Hirth N, Bartsch D, Spampinato SM, Kelsch W, Spanagel R, Sommer WH, Hansson AC. Disrupted circadian expression of beta-arrestin 2 affects reward-related µ-opioid receptor function in alcohol dependence. J Neurochem 2021; 160:454-468. [PMID: 34919270 DOI: 10.1111/jnc.15559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 12/09/2021] [Accepted: 12/09/2021] [Indexed: 12/13/2022]
Abstract
There is increasing evidence for a daily rhythm of μ-opioid receptor (MOR) efficacy and the development of alcohol dependence. Previous studies show that beta-Arrestin 2 (bArr2) has an impact on alcohol intake, at least partially mediated via modulation of MOR signaling, which in turn mediates the alcohol rewarding effects. Considering the interplay of circadian rhythms on MOR and alcohol dependence, we aimed to investigate bArr2 in alcohol dependence at different time-points of the day/light cycle on the level of bArr2 mRNA (in situ hybridization), MOR availability (receptor autoradiography) and MOR signaling (Damgo-stimulated G-protein coupling) in the nucleus accumbens of alcohol-dependent and non-dependent Wistar rats. Using a microarray data set we found that bArr2, but not bArr1, shows a diurnal transcription pattern in the accumbens of naïve rats with higher expression levels during the active cycle. In three-week abstinent rats, bArr2 is upregulated in the accumbens at the beginning of the active cycle (ZT15), whereas no differences were found at the beginning of the inactive cycle (ZT3), compared to controls. This effect was accompanied with a specific downregulation of MOR binding in the active cycle. Additionally, we detect a higher receptor coupling during the inactive cycle compared to the active cycle in alcohol-dependent animals. Together, we report a daily rhythmicity for bArr2 expression linked to an inverse pattern of MOR, suggesting an involvement for bArr2 on circadian regulation of G-protein coupled receptors in alcohol dependence. The presented data may have implications for the development of novel bArr2-related treatment targets for alcoholism.
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Affiliation(s)
- Marcus W Meinhardt
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany.,Department of Molecular Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
| | - Francesco Giannone
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
| | - Nathalie Hirth
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
| | - Dusan Bartsch
- Department of Molecular Biology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
| | - Santi M Spampinato
- Department of Pharmacy and Biotechnology, University of Bologna, Via Irnerio 48, 40126, Bologna, Italy
| | - Wolfgang Kelsch
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
| | - Rainer Spanagel
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
| | - Wolfgang H Sommer
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
| | - Anita C Hansson
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Square J5, 68159, Mannheim, Germany
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Alcohol Abuse and Insomnia Disorder: Focus on a Group of Night and Day Workers. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph182413196. [PMID: 34948807 PMCID: PMC8706686 DOI: 10.3390/ijerph182413196] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/24/2021] [Accepted: 12/11/2021] [Indexed: 01/07/2023]
Abstract
The sleep-wake cycle plays a fundamental role in maintaining the physiological balance of our body. Its alteration favours the genesis of several organic alterations and diseases including sleep disorders and the consumption of several substances of abuse. It has been reported that the work activity, especially that carried out during the night, is able to influence the sleep-wake cycle, promoting the development of insomnia, which, in turn, would subject the worker to a stressful condition such as to encourage adverse behaviour such as the use/abuse of psychotropic substances. Based on the above premises, the aim of our research was to evaluate, in night workers: (i) the pattern of consumption of alcoholic beverages; (ii) the presence of insomnia; and (iii) the possible correlation between alcohol consumption and insomnia disorder. We used the AUDIT-C test (the abbreviated version of the Alcohol Use Disorders Identification Test) and the Insomnia Severity Index to assess alcohol consumption and insomnia disorder, respectively. All questionnaires were completed by workers of both sexes belonging to different types of work activities, exclusively day or night. The results of our research show a higher propensity of night workers to consume alcoholic beverages than those who work during daytime hours, often in binge-drinking mode. In addition, an increase in the amount of alcohol consumed was found to be related to insomnia disorder, especially in night workers. This study provides further awareness of the importance of the negative impact of alcohol consumption on sleep quality in night workers.
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Cavicchioli M, Kraslavski A, Movalli M, Maffei C, Ogliari A. The investigation of mechanisms underlying addictive behaviors: a case-control study. J Addict Dis 2021; 40:306-325. [PMID: 34751104 DOI: 10.1080/10550887.2021.1989250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Background: The contradictory nature of behavioral addictions has sustained a nondefinitive debate regarding their construct validity. Objective(s): The current study aims at exploring mechanisms underlying two distinct classes of behaviors-behavioral addictions characterized by core alterations in reward processing systems (ARPS) and behaviors with a main function of maladaptive coping. Methods: This case-control study included 99 treatment-seeking individuals with a primary diagnosis of alcohol use disorder (male: N = 68; female: N = 31) and 74 healthy control (HC) subjects (male: N = 38; female: N = 36). The severity of maladaptive behaviors was measured through the Shorter PROMIS Questionnaire (SPQ). Latent mechanisms were assessed by the Disinhibition Domain of the Personality Inventory for DSM-5 (PID-5-DI) and the Acceptance and Action Questionnaire-II (AAQ-II). Results: The clinical group showed higher severity of behavioral addictions than HC. This difference was not replicated for the other class of maladaptive behaviors, except for compulsive buying. Ordinal regression analysis showed that the clinical group significantly predicted SPQ scores reflecting ARPS, SPQ shopping and starving subscales. This was not replicated for the overall SPQ score capturing maladaptive coping and binge eating behaviors. Controlling for PID-5-DI and AAQ-II scores, which were significantly associated to SPQ subscales, effects of the aforementioned clinical group were not significant. Conclusions: The study highlighted distinct and common mechanisms underlying different classes of maladaptive behaviors. Results supported future neuroscience research for clarifying the role of ARPS in compulsive sex and buying in order to consider them as addictive disorders.
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Affiliation(s)
- Marco Cavicchioli
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Alexandra Kraslavski
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Mariagrazia Movalli
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Cesare Maffei
- Department of Psychology, University "Vita-Salute San Raffaele", Milan, Italy.,Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy
| | - Anna Ogliari
- Unit of Clinical Psychology and Psychotherapy, San Raffaele-Turro Hospital, Milan, Italy.,Child in Mind Lab, University "Vita-Salute San Raffaele", Milan, Italy
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42
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Modulation of relapse-like drinking in male Sprague-Dawley rats by ligands targeting the α5GABA A receptor. Neuropharmacology 2021; 199:108785. [PMID: 34509495 DOI: 10.1016/j.neuropharm.2021.108785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 08/26/2021] [Accepted: 09/04/2021] [Indexed: 11/20/2022]
Abstract
Preclinical evidence suggests a key role for GABAA receptors containing the α5 subunit (i.e., α5GABAA receptors) in the abuse-related effects of alcohol, including the reinforcing and discriminative stimulus effects, as well as cue-induced alcohol-seeking behavior. However, the contribution of this GABAA receptor subtype to relapse-like drinking behavior remains unknown. The present study evaluated the capacity of ligands targeting α5GABAA receptors to modulate the alcohol deprivation effect (ADE), a model of relapse-like drinking. Groups of Sprague-Dawley rats underwent repeated cycles of long-term access to alcohol solutions (5%, 10%, 20% v/v) and water in the home cage followed by water only deprivation periods. Upon evidence that the ADE could be reliably expressed across cycles, drug treatment was initiated. One group received the α5GABAA receptor-preferring agonist QH-ii-066 and the other group received the α5GABAA receptor-selective inverse agonist L-655,708. At the end of ADE testing, rats underwent testing in the elevated zero maze under vehicle or L-655,708 treatment for assessment of anxiety-like behavior. The ADE was reliably expressed across repeated cycles of alcohol access/deprivation in a subset of rats. Low doses of QH-ii-066 enhanced expression of the ADE; whereas, L-655,708 dose-dependently inhibited expression of the ADE. L-655,708 did not engender anxiogenic effects in the elevated zero maze under the conditions evaluated. These findings suggest a key role for α5GABAA receptor mechanisms in relapse-like drinking. Moreover, they suggest that α5GABAA receptors may represent a novel pharmacological target for the development of medications to prevent or reduce alcohol relapse.
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43
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Shields CN, Gremel CM. Prior chronic alcohol exposure enhances Pavlovian-to-instrumental transfer. Alcohol 2021; 96:83-92. [PMID: 34363928 DOI: 10.1016/j.alcohol.2021.07.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 06/29/2021] [Accepted: 07/26/2021] [Indexed: 12/25/2022]
Abstract
Alcohol dependence is associated with aberrant decision-making processes, particularly in the presence of alcohol-related environmental cues. For instance, alcohol cues can trigger alcohol seeking, consumption, and even relapse behavior. Recently, works have suggested that alcohol dependence may induce more general alterations in cued processes that support adaptive behavior, including enhanced cue control of volitional behavior unrelated to alcohol use. Here we examine this hypothesis by combining prior exposure to chronic intermittent ethanol and repeated withdrawal (CIE) procedures with a Pavlovian-to-instrumental transfer (PIT) task in mice. The PIT task entails training a Pavlovian association, separately training an instrumental contingency, and a final test during which the Pavlovian cue and instrumental action are combined for the first time. We first tested two variants of the PIT procedure in ethanol-naïve mice, differing in part in the duration of Pavlovian conditioned cues (short or long). We found in the PIT test that the short cue procedure produced negative transfer, whereas the long cue procedure produced positive transfer. We then used the long cue variant to examine PIT behavior in mice previously exposed to either CIE or air vapor. We found that prior CIE exposure strengthened PIT behavior, with enhanced instrumental responding during presentation of the food-associated cue. We further found that this enhancement in CIE mice persisted even after devaluation of the food outcome. Our findings suggest that ethanol dependence can enhance the influence of reward-predictive cues on ongoing behavior. Greater non-alcohol cue control of behavior may reflect the effect of chronic ethanol exposure on neural circuitry critical for cue-guided behavior in general.
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44
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Thompson BL, Maleki N, Kelly JF, Sy KTL, Oscar-Berman M. Brain, behavioral, affective, and sex correlates of recovery from alcohol use disorders. Alcohol Clin Exp Res 2021; 45:1578-1595. [PMID: 34432298 DOI: 10.1111/acer.14658] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 05/31/2021] [Accepted: 06/08/2021] [Indexed: 12/23/2022]
Abstract
BACKGROUND Recovery from alcohol use disorders (AUDs) consists of salutary changes in behavior and affect. While evidence suggests that recovery-related behavioral changes, such as abstinence, emerge in tandem with both neural and affective changes, the precise relationships among these changes are unknown. To understand these relationships, we examined associations between the duration of abstinence (DOA), affective states, and neuroimaging-based structural measures of the brain reward system (BRS) in AUD men (AUDM ) and AUD women (AUDW ). METHODS Participants were community respondents from the Boston area comprising right-handed abstinent individuals with AUD (n = 60; 30 men) and controls without AUD (NC; n = 60; 29 men). Multivariate linear regressions compared short-/mid-term abstainers (≤5 years), long-term abstainers (>5 years), and the NC group on measures of BRS volume (3T magnetic resonance imaging scans) and measures of affect (Profile of Mood States [POMS]; Multiple Affect Adjective Check List [MAACL]; Hamilton Rating Scale for Depression [HRSD]). Analyses contrasted sex differences and accounted for age, education, drinking severity, and verbal IQ. RESULTS Compared to the NC group, short-/mid-term abstainers exhibited larger posterior insular volume (total (β = 0.019, 95% CI: 0.004, 0.034)), higher negative affect (POMS Mood Disturbance (β = 27.8, 95% CI: 11.56, 44.04), and lower positive affect (POMS Vigor (β = -4.89, 95% CI: -9.06, -0.72)). Compared to the NC group, Long-term abstainers exhibited significantly smaller volumes of aggregate anterior cingulate cortex (β = -0.06, 95% CI: -0.113, -0.008) and higher HRSD scores (β = 1.56, 95% CI: 0.14, 2.98). Relative to AUDM , AUDW exhibited significantly larger right anterior insular volumes (β = 0.03, 95% CI: 0.01, 0.06) and significantly greater MAACL Positive Affect scores (β = 7.56, 95% CI: 0.59, 11.55) in association with DOA. CONCLUSIONS We found that differences in abstinence from alcohol were correlated with differences in both neural recovery and affective dimensions of recovery from AUDs. The observed sex differences extend evidence of dimorphic effects of AUDs and recovery on brain structure and function. Future longitudinal research will test inferences concerning the directionality of these relationships.
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Affiliation(s)
- Benjamin L Thompson
- Department of Radiology and Biomedical Imaging, Yale School of Medicine, New Haven, CT, USA.,Psychology Research Service, VA Healthcare System, Boston, MA, USA
| | - Nasim Maleki
- Psychology Research Service, VA Healthcare System, Boston, MA, USA.,Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - John F Kelly
- Department of Psychiatry, Massachusetts General Hospital, Boston, MA, USA.,Harvard Medical School, Boston, MA, USA
| | - Karla Therese L Sy
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Marlene Oscar-Berman
- Psychology Research Service, VA Healthcare System, Boston, MA, USA.,Departments of Anatomy and Neurobiology, Psychiatry and Neurology, Boston University School of Medicine, Boston, MA, USA
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Li BX, Dong GH, Li HL, Zhang JS, Bing YH, Chu CP, Cui SB, Qiu DL. Chronic Ethanol Exposure Enhances Facial Stimulation-Evoked Mossy Fiber-Granule Cell Synaptic Transmission via GluN2A Receptors in the Mouse Cerebellar Cortex. Front Syst Neurosci 2021; 15:657884. [PMID: 34408633 PMCID: PMC8365521 DOI: 10.3389/fnsys.2021.657884] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 07/08/2021] [Indexed: 11/16/2022] Open
Abstract
Sensory information is transferred to the cerebellar cortex via the mossy fiber–granule cell (MF–GC) pathway, which participates in motor coordination and motor learning. We previously reported that chronic ethanol exposure from adolescence facilitated the sensory-evoked molecular layer interneuron–Purkinje cell synaptic transmission in adult mice in vivo. Herein, we investigated the effect of chronic ethanol exposure from adolescence on facial stimulation-evoked MF–GC synaptic transmission in the adult mouse cerebellar cortex using electrophysiological recording techniques and pharmacological methods. Chronic ethanol exposure from adolescence induced an enhancement of facial stimulation-evoked MF–GC synaptic transmission in the cerebellar cortex of adult mice. The application of an N-methyl-D-aspartate receptor (NMDAR) antagonist, D-APV (250 μM), induced stronger depression of facial stimulation-evoked MF–GC synaptic transmission in chronic ethanol-exposed mice compared with that in control mice. Chronic ethanol exposure-induced facilitation of facial stimulation evoked by MF–GC synaptic transmission was abolished by a selective GluN2A antagonist, PEAQX (10 μM), but was unaffected by the application of a selective GluN2B antagonist, TCN-237 (10 μM), or a type 1 metabotropic glutamate receptor blocker, JNJ16259685 (10 μM). These results indicate that chronic ethanol exposure from adolescence enhances facial stimulation-evoked MF–GC synaptic transmission via GluN2A, which suggests that chronic ethanol exposure from adolescence impairs the high-fidelity transmission capability of sensory information in the cerebellar cortex by enhancing the NMDAR-mediated components of MF–GC synaptic transmission in adult mice in vivo.
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Affiliation(s)
- Bing-Xue Li
- Brain Science Research Center, Yanbian University, Yanji, China.,Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China
| | - Guang-Hui Dong
- Brain Science Research Center, Yanbian University, Yanji, China.,Department of Neurology, Affiliated Hospital of Yanbian University, Yanji, China
| | - Hao-Long Li
- Brain Science Research Center, Yanbian University, Yanji, China.,Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China
| | - Jia-Song Zhang
- Brain Science Research Center, Yanbian University, Yanji, China.,Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China
| | - Yan-Hua Bing
- Brain Science Research Center, Yanbian University, Yanji, China
| | - Chun-Ping Chu
- Brain Science Research Center, Yanbian University, Yanji, China.,Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China
| | - Song-Biao Cui
- Department of Neurology, Affiliated Hospital of Yanbian University, Yanji, China
| | - De-Lai Qiu
- Brain Science Research Center, Yanbian University, Yanji, China.,Department of Physiology and Pathophysiology, College of Medicine, Yanbian University, Yanji, China
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Hartmann MC, Pleil KE. Circuit and neuropeptide mechanisms of the paraventricular thalamus across stages of alcohol and drug use. Neuropharmacology 2021; 198:108748. [PMID: 34389397 DOI: 10.1016/j.neuropharm.2021.108748] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 07/26/2021] [Accepted: 07/31/2021] [Indexed: 12/23/2022]
Abstract
The paraventricular nucleus of the thalamus (PVT) is a midline thalamic brain region that has emerged as a critical circuit node in the regulation of behaviors across domains of affect and motivation, stress responses, and alcohol- and drug-related behaviors. The influence of the PVT in this diverse array of behaviors is a function of its ability to integrate and convey information about salience and valence through its connections with cortical, hypothalamic, hindbrain, and limbic brain regions. While understudied to date, recent studies suggest that several PVT efferents play critical and complex roles in drug and alcohol-related phenotypes. The PVT is also the site of signaling for many neuropeptides released from the synaptic terminals of distal inputs and local neuropeptidergic neurons within. While there is some evidence that neuropeptides including orexin, neurotensin, substance P, and cocaine and amphetamine-related transcript (CART) signal in the PVT to regulate alcohol/drug intake and reinstatement, there remains an overall lack of understanding of the roles of neuropeptides in the PVT in addiction-related behaviors, especially in a circuit-specific context. In this review, we present the current status of preclinical research regarding PVT circuits and neuropeptide modulation of the PVT in three aspects of the addiction cycle: reward/acquisition, withdrawal, and relapse, with a focus on alcohol, opioids (particularly morphine), and psychostimulants (particularly cocaine). Given the PVT's unique position within the broader neural landscape, we further discuss the potential ways in which neuropeptides may regulate these behaviors through their actions upon PVT circuits.
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Affiliation(s)
- Matthew C Hartmann
- Department of Pharmacology, Weill Cornell Medicine, Cornell University, New York, NY, 10065, USA
| | - Kristen E Pleil
- Department of Pharmacology, Weill Cornell Medicine, Cornell University, New York, NY, 10065, USA; Graduate School of Medical Sciences, Weill Cornell Medicine, Cornell University, New York, NY, 10065, USA.
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Santos DS, Medeiros LF, Stein DJ, De Macedo IC, Da Silva Rios DE, De Oliveira C, Toledo RS, Fregni F, Caumo W, Torres ILS. Bimodal transcranial direct current stimulation reduces alcohol consumption and induces long-term neurochemical changes in rats with neuropathic pain. Neurosci Lett 2021; 759:136014. [PMID: 34111512 DOI: 10.1016/j.neulet.2021.136014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 05/17/2021] [Accepted: 06/03/2021] [Indexed: 10/21/2022]
Abstract
This study aimed to evaluate the effects of repeated bimodal transcranial direct current stimulation (tDCS) on alcohol consumption and immunohistological and neurochemical parameters in nerve-injured rats. Forty-eight adult male Wistar rats were distributed into six groups: control, neuropathic pain (NP) + sham-tDCS, NP + alcohol + sham-tDCS, alcohol + sham-tDCS, alcohol + tDCS, and NP + alcohol + tDCS. NP is induced by chronic sciatic nerve constriction (CCI). The rats were exposed to a 10% alcohol solution by voluntary consumption for 14 days. From the 16th day after surgery, bimodal tDCS was applied for 20 min/day for 8 days. Brain structures were collected to evaluate the number of neuropeptide Y (NPY)-positive neurons, neurites, and argyrophilic grains by immunohistochemistry, and brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), interleukin (IL)-6, and IL-10 by ELISA. Nerve-injured rats showed a progressive increase in alcohol consumption compared to the non-injured rats. In addition, there was a reduction in voluntary alcohol consumption over time induced by tDCS. Alcohol exposure, chronic pain, and tDCS treatment modulated the central NPY immunoreactivity. tDCS increased the cerebellar levels of IL-6 and IL-10, and CCI and/or tDCS reduced striatal BDNF levels. The current data suggest that tDCS could be a promising non-pharmacological adjuvant to treat patients with chronic pain who use alcohol to relieve their symptoms.
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Affiliation(s)
- Daniela Silva Santos
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Postgraduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Animal Experimentation Unit and Graduate Research Group, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Liciane Fernandes Medeiros
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Postgraduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Postgraduate Program in Health and Human Development, Universidade La Salle, Canoas, RS, Brazil
| | - Dirson João Stein
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Postgraduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Animal Experimentation Unit and Graduate Research Group, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Isabel Cristina De Macedo
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Animal Experimentation Unit and Graduate Research Group, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Diego Evandro Da Silva Rios
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Animal Experimentation Unit and Graduate Research Group, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Carla De Oliveira
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Animal Experimentation Unit and Graduate Research Group, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Roberta Ströher Toledo
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Postgraduate Program in Biological Sciences: Pharmacology and Therapeutics, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Animal Experimentation Unit and Graduate Research Group, Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil
| | - Felipe Fregni
- Laboratoryof Neuromodulation, Department of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard University, Boston, MA, USA
| | - Wolnei Caumo
- Postgraduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Iraci L S Torres
- Laboratory of Pain Pharmacology and Neuromodulation: Preclinical Investigations - Hospital de Clínicas de Porto Alegre, Porto Alegre, RS, Brazil; Postgraduate Program in Medical Sciences, School of Medicine, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Postgraduate Program in Biological Sciences: Pharmacology and Therapeutics, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratoryof Neuromodulation, Department of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard University, Boston, MA, USA.
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Facilitating mGluR4 activity reverses the long-term deleterious consequences of chronic morphine exposure in male mice. Neuropsychopharmacology 2021; 46:1373-1385. [PMID: 33349673 PMCID: PMC8136479 DOI: 10.1038/s41386-020-00927-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 11/16/2020] [Accepted: 11/20/2020] [Indexed: 12/13/2022]
Abstract
Understanding the neurobiological underpinnings of abstinence from drugs of abuse is critical to allow better recovery and ensure relapse prevention in addicted subjects. By comparing the long-term transcriptional consequences of morphine and cocaine exposure, we identified the metabotropic glutamate receptor subtype 4 (mGluR4) as a promising pharmacological target in morphine abstinence. We evaluated the behavioral and molecular effects of facilitating mGluR4 activity in abstinent mice. Transcriptional regulation of marker genes of medium spiny neurons (MSNs) allowed best discriminating between 4-week morphine and cocaine abstinence in the nucleus accumbens (NAc). Among these markers, Grm4, encoding mGluR4, displayed down-regulated expression in the caudate putamen and NAc of morphine, but not cocaine, abstinent mice. Chronic administration of the mGluR4 positive allosteric modulator (PAM) VU0155041 (2.5 and 5 mg/kg) rescued social behavior, normalized stereotypies and anxiety and blunted locomotor sensitization in morphine abstinent mice. This treatment improved social preference but increased stereotypies in cocaine abstinent mice. Finally, the beneficial behavioral effects of VU0155041 treatment in morphine abstinent mice were correlated with restored expression of key MSN and neural activity marker genes in the NAc. This study reports that chronic administration of the mGluR4 PAM VU0155041 relieves long-term deleterious consequences of morphine exposure. It illustrates the neurobiological differences between opiate and psychostimulant abstinence and points to pharmacological repression of excessive activity of D2-MSNs in the NAc as a promising therapeutic lever in drug addiction.
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Sauchinone Blocks Ethanol Withdrawal-Induced Anxiety but Spares Locomotor Sensitization: Involvement of Nitric Oxide in the Bed Nucleus of the Stria Terminalis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6670212. [PMID: 34035825 PMCID: PMC8116157 DOI: 10.1155/2021/6670212] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 03/26/2021] [Accepted: 04/12/2021] [Indexed: 12/24/2022]
Abstract
Both the positive (manifested by locomotor sensitization) and negative (withdrawal symptoms) reinforcing effects of ethanol (EtOH) involve central nitric oxide (NO) signaling. Sauchinone (a bioactive lignan in Saururus chinensis) has been shown to improve methamphetamine-induced behavioral and neurochemical changes via the NO signaling pathway. Thus, this study evaluated the effects of sauchinone on locomotor sensitization and anxiety during EtOH withdrawal (EtOHW). Male adult Sprague-Dawley rats were treated with 1.5 g/kg/day of EtOH (20%, vol/vol) via intraperitoneal injection for 28 days, followed by a 3-day withdrawal. During withdrawal, the rats were given intragastric sauchinone (2.5, 7.5, or 25 mg/kg/day) once a day. EtOH locomotor sensitization was determined by challenging EtOHW rats with 0.75 g/kg EtOH, while EtOHW-induced anxiety was assessed using the elevated plus maze (EPM). None of the three doses of sauchinone affected EtOH locomotor sensitization. However, in the EPM, treatment of EtOHW rats with sauchinone at 7.5 or 25 mg/kg/day increased both the number of entries into and the time spent in the open arms. Moreover, the two doses of sauchinone inhibited the oversecretion of plasma corticosterone during EtOHW. In the bed nucleus of the stria terminalis (BNST), EtOHW increased NO production, enhanced gene and protein expression of both inducible nitric oxide synthase (iNOS) and neuronal NOS (nNOS), and also elevated protein levels of corticotropin-releasing factor, which were all inhibited by 25 mg/kg/day sauchinone. In an in vitro experiment, sauchinone (3, 10, and 30 μM) inhibited H2O2-stimulated nNOS protein expression in neuronal PC12 cells. Finally, intra-BNST infusion of sodium nitroprusside, a NO donor, after sauchinone (25 mg/kg/day) administration, abolished its expected anxiolytic effect. Taken together, these results indicate that sauchinone attenuates anxiety-like behavior in rats during EtOHW but spares EtOH locomotor sensitization, and the anxiolytic effect is mediated via the NO signaling pathway in the BNST.
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Effects of ceftriaxone on ethanol drinking and GLT-1 expression in ethanol dependence and relapse drinking. Alcohol 2021; 92:1-9. [PMID: 33465464 DOI: 10.1016/j.alcohol.2021.01.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 12/11/2020] [Accepted: 01/12/2021] [Indexed: 12/26/2022]
Abstract
Repeated cycles of chronic intermittent ethanol (CIE) exposure increase voluntary consumption of alcohol (ethanol) in mice. Previous reports from our laboratory show that CIE increases extracellular glutamate in the nucleus accumbens (NAc) and that manipulating accumbal glutamate concentrations will alter ethanol drinking, indicating that glutamate homeostasis plays a crucial role in ethanol drinking in this model. A number of studies have shown that ceftriaxone increases GLT-1 expression, the major glutamate transporter, and that treatment with this antibiotic reduces ethanol drinking. The present studies examined the effects of ceftriaxone on ethanol drinking and GLT-1 in a mouse model of ethanol dependence and relapse drinking. The results show that ceftriaxone did not influence drinking at any dose in either ethanol-dependent or non-dependent mice. Further, ceftriaxone did not increase GLT-1 expression in the accumbens core or shell, with the exception of the ethanol-dependent mice receiving the highest dose of ceftriaxone. Interestingly, ethanol-dependent mice treated with only vehicle displayed reduced expression of GLT-1 in the accumbens shell and of the presynaptic mGlu2 receptor in the accumbens core. The reduced expression of the major glutamate transporter (GLT-1), as well as a receptor that regulates glutamate release (mGlu2), may help explain, at least in part, increased glutamatergic transmission in this model of ethanol dependence and relapse drinking.
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