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Seo JW, Lee KN, Do Han K, Park KB. Lifestyle Behaviors in Patients With Gastric Cancer: Continuous Need for Alcohol Abstinence and Muscle Strength Training Education. J Gastric Cancer 2024; 24:316-326. [PMID: 38960890 PMCID: PMC11224717 DOI: 10.5230/jgc.2024.24.e27] [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: 04/15/2024] [Revised: 06/03/2024] [Accepted: 06/10/2024] [Indexed: 07/05/2024] Open
Abstract
PURPOSE This study was performed to assess the lifestyle-related behaviors of patients with gastric cancer (GC) and to investigate the associations between the time since GC diagnosis and these behaviors. MATERIALS AND METHODS This study included 29,478 adults (including 338 patients with GC) aged ≥ 40 years who participated in the Korea National Health and Nutrition Examination Survey 2014-2021. Multiple logistic regression analysis explored the associations between the time since GC diagnosis (patients diagnosed with GC less than 5 years ago [<5 years group] and those diagnosed with GC 5 or more than years ago [≥5 years group]) and lifestyle factors. Subgroup analyses were conducted based on age and sex. RESULTS The current smoking rate was not lower in the GC group than in the healthy group, regardless of time since diagnosis. Compared to the healthy controls, monthly alcohol intake was lower in the <5 years group (odds ratio [OR], 0.450; 95% confidence interval [CI], 0.275-0.736). The ≥5 years group showed a lower rate of strength training (OR, 0.548; CI, 0.359-0.838), compared with the healthy control group. Subgroup analysis focusing on the ≥5 years group revealed a significantly lower rate of strength training, particularly in patients aged ≥65 years and male patients (OR, 0.519 and 0.553; CI, 0.302-0.890 and 0.340-0.901, respectively). CONCLUSIONS Clinicians should continue educating patients on lifestyle behavior modifications, particularly alcohol abstinence, even beyond 5 years after GC diagnosis. Education on strength training is especially important for patients ≥65 years or male patients.
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Affiliation(s)
- Ji Won Seo
- Department of Surgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Kyu Na Lee
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Korea
| | - Kyung Do Han
- Department of Statistics and Actuarial Science, Soongsil University, Seoul, Korea
| | - Ki Bum Park
- Department of Surgery, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea.
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Thibeault KC, Leonard MZ, Kondev V, Emerson SD, Bethi R, Lopez AJ, Sens JP, Nabit BP, Elam HB, Winder DG, Patel S, Kiraly DD, Grueter BA, Calipari ES. A Cocaine-Activated Ensemble Exerts Increased Control Over Behavior While Decreasing in Size. Biol Psychiatry 2024:S0006-3223(24)01388-X. [PMID: 38901723 DOI: 10.1016/j.biopsych.2024.06.008] [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: 09/07/2023] [Revised: 06/06/2024] [Accepted: 06/11/2024] [Indexed: 06/22/2024]
Abstract
BACKGROUND Substance use disorder is characterized by long-lasting changes in reward-related brain regions, such as the nucleus accumbens. Previous work has shown that cocaine exposure induces plasticity in broad, genetically defined cell types in the nucleus accumbens; however, in response to a stimulus, only a small percentage of neurons are transcriptionally active-termed an ensemble. Here, we identify an Arc-expressing neuronal ensemble that has a unique trajectory of recruitment and causally controls drug self-administration after repeated, but not acute, cocaine exposure. METHODS Using Arc-CreERT2 transgenic mice, we expressed transgenes in Arc+ ensembles activated by cocaine exposure (either acute [1 × 10 mg/kg intraperitoneally] or repeated [10 × 10 mg/kg intraperitoneally]). Using genetic, optical, and physiological recording and manipulation strategies, we assessed the contribution of these ensembles to behaviors associated with substance use disorder. RESULTS Repeated cocaine exposure reduced the size of the ensemble while simultaneously increasing its control over behavior. Neurons within the repeated cocaine ensemble were hyperexcitable, and their optogenetic excitation was sufficient for reinforcement. Finally, lesioning the repeated cocaine, but not the acute cocaine, ensemble blunted cocaine self-administration. Thus, repeated cocaine exposure reduced the size of the ensemble while simultaneously increasing its contributions to drug reinforcement. CONCLUSIONS We showed that repeated, but not acute, cocaine exposure induced a physiologically distinct ensemble characterized by the expression of the immediate early gene Arc, which was uniquely capable of modulating reinforcement behavior.
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Affiliation(s)
- Kimberly C Thibeault
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Michael Z Leonard
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Veronika Kondev
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Soren D Emerson
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Rishik Bethi
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee
| | - Alberto J Lopez
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Jonathon P Sens
- Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Brett P Nabit
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Hannah B Elam
- Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee
| | - Danny G Winder
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee; Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Vanderbilt JF Kennedy Center, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Sachin Patel
- Department of Psychiatry, Northwestern University, Chicago, Illinois
| | - Drew D Kiraly
- Department of Physiology and Pharmacology, Wake Forest University School of Medicine, Winston-Salem, North Carolina
| | - Brad A Grueter
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee; Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Department of Anesthesiology, Vanderbilt University School of Medicine, Nashville, Tennessee
| | - Erin S Calipari
- Vanderbilt Brain Institute, Vanderbilt University, Nashville, Tennessee; Vanderbilt Center for Addiction Research, Vanderbilt University, Nashville, Tennessee; Department of Pharmacology, Vanderbilt University, Nashville, Tennessee; Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, Tennessee; Department of Psychiatry and Behavioral Sciences, Vanderbilt University Medical Center, Nashville, Tennessee; Vanderbilt JF Kennedy Center, Vanderbilt University School of Medicine, Nashville, Tennessee.
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3
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Cofresí RU, Upton S, Brown AA, Piasecki TM, Bartholow BD, Froeliger B. Mesocorticolimbic system reactivity to alcohol use-related visual cues as a function of alcohol sensitivity phenotype: A pilot fMRI study. ADDICTION NEUROSCIENCE 2024; 11:100156. [PMID: 38938269 PMCID: PMC11209874 DOI: 10.1016/j.addicn.2024.100156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
Low sensitivity (LS) to alcohol is a risk factor for alcohol use disorder (AUD). Compared to peers with high sensitivity (HS), LS individuals drink more, report more problems, and exhibit potentiated alcohol cue reactivity (ACR). Heightened ACR suggests LS confers AUD risk via incentive sensitization, which is thought to take place in the mesocorticolimbic system. This study examined neural ACR in LS and HS individuals. Young adults (N = 32, M age=20.3) were recruited based on the Alcohol Sensitivity Questionnaire (HS: n = 16; LS: n = 16; 9 females/group). Participants completed an event-related fMRI ACR task. Group LS had higher ACR in left ventrolateral prefrontal cortex than group HS. In group LS, ACR in left caudomedial orbitofrontal cortex or left putamen was low at low alcohol use levels and high at heavier or more problematic alcohol use levels, whereas the opposite was true in group HS. Alcohol use level also was associated with the level of ACR in left substantia nigra among males in group LS. Taken together, results suggest elevated mesocorticolimbic ACR among LS individuals, especially those using alcohol at hazardous levels. Future studies with larger samples are warranted to determine the neurobiological loci underlying LS-based amplified ACR and AUD risk.
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Affiliation(s)
- Roberto U. Cofresí
- Department of Psychological Sciences, University of Missouri - Columbia, USA
| | - Spencer Upton
- Department of Psychological Sciences, University of Missouri - Columbia, USA
| | - Alexander A. Brown
- Department of Psychological Sciences, University of Missouri - Columbia, USA
| | - Thomas M. Piasecki
- Center for Tobacco Research and Intervention and Department of Medicine, University of Wisconsin - Madison, USA
| | | | - Brett Froeliger
- Department of Psychological Sciences, University of Missouri - Columbia, USA
- Department of Psychiatry, University of Missouri - Columbia, USA
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Domi A, Cadeddu D, Lucente E, Gobbo F, Edvardsson C, Petrella M, Jerlhag E, Ericson M, Söderpalm B, Adermark L. Pre- and postsynaptic signatures in the prelimbic cortex associated with "alcohol use disorder" in the rat. Neuropsychopharmacology 2024:10.1038/s41386-024-01887-2. [PMID: 38755284 DOI: 10.1038/s41386-024-01887-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/20/2024] [Accepted: 05/07/2024] [Indexed: 05/18/2024]
Abstract
The transition to alcohol use disorder (AUD) involves persistent neuroadaptations in executive control functions primarily regulated by the medial prefrontal cortex. However, the neurophysiological correlates to behavioral manifestations of AUD are not fully defined. The association between cortical neuroadaptations and behavioral manifestations of addiction was studied using a multi-symptomatic operant model based on the DSM-5 diagnostic criteria for AUD. This model aimed to characterize an AUD-vulnerable and AUD-resistant subpopulation of outbred male Wistar rats and was combined with electrophysiological measurements in the prelimbic cortex (PL). Mirroring clinical observations, rats exhibited individual variability in their vulnerability to develop AUD-like behavior, including motivation to seek for alcohol (crit 1), increased effort to obtain the substance (crit 2), and continued drinking despite negative consequences (crit 3). Only a small subset of rats met all the aforementioned AUD criteria (3 crit, AUD-vulnerable), while a larger fraction was considered AUD-resilient (0 crit). The development of AUD-like behavior was characterized by disruptions in glutamatergic synaptic activity, involving decreased frequency of spontaneous excitatory postsynaptic currents (sEPSCs) and heightened intrinsic excitability in layers 2/3 PL pyramidal neurons. These alterations were concomitant with a significant impairment in the ability of mGlu2/3 receptors to negatively regulate glutamate release in the PL but not in downstream regions like the basolateral amygdala or nucleus accumbens core. In conclusion alterations in PL synaptic activity were strongly associated with individual addiction scores, indicating their role as potential markers of the behavioral manifestations linked to AUD psychopathology.
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Affiliation(s)
- Ana Domi
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden.
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden.
| | - Davide Cadeddu
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Erika Lucente
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Francesco Gobbo
- Centre for Discovery Brain Sciences, University of Edinburgh, Edinburgh, EH8 9JZ, UK
| | - Christian Edvardsson
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Michele Petrella
- Linköping University, Department of Biomedical and Clinical Sciences, Center for Social and Affective Neuroscience. Linköping University, Faculty of Medicine and Health Sciences, Linköping, Sweden
| | - Elisabet Jerlhag
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
| | - Mia Ericson
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden
| | - Bo Söderpalm
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden
- The Clinic for Addiction and Dependency, Sahlgrenska University Hospital, Gothenburg, Sweden
| | - Louise Adermark
- Institute of Neuroscience and Physiology, Department of Pharmacology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 90, Sweden
- Addiction Biology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden
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García-Cabrerizo R, Cryan JF. A gut (microbiome) feeling about addiction: Interactions with stress and social systems. Neurobiol Stress 2024; 30:100629. [PMID: 38584880 PMCID: PMC10995916 DOI: 10.1016/j.ynstr.2024.100629] [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: 11/23/2023] [Revised: 02/29/2024] [Accepted: 03/17/2024] [Indexed: 04/09/2024] Open
Abstract
In recent years, an increasing attention has given to the intricate and diverse connection of microorganisms residing in our gut and their impact on brain health and central nervous system disease. There has been a shift in mindset to understand that drug addiction is not merely a condition that affects the brain, it is now being recognized as a disorder that also involves external factors such as the intestinal microbiota, which could influence vulnerability and the development of addictive behaviors. Furthermore, stress and social interactions, which are closely linked to the intestinal microbiota, are powerful modulators of addiction. This review delves into the mechanisms through which the microbiota-stress-immune axis may shape drug addiction and social behaviors. This work integrates preclinical and clinical evidence that demonstrate the bidirectional communication between stress, social behaviors, substance use disorders and the gut microbiota, suggesting that gut microbes might modulate social stress having a significance in drug addiction.
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Affiliation(s)
- Rubén García-Cabrerizo
- IUNICS, University of the Balearic Islands, Palma, Spain
- Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
- Department of Medicine, University of the Balearic Islands, Palma, Spain
| | - John F. Cryan
- APC Microbiome Ireland, University College Cork, Cork, Ireland
- Department of Anatomy and Neuroscience, University College Cork, Cork, Ireland
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Oliva HNP, Prudente TP, Nunes EJ, Cosgrove KP, Radhakrishnan R, Potenza MN, Angarita GA. Substance use and spine density: a systematic review and meta-analysis of preclinical studies. Mol Psychiatry 2024:10.1038/s41380-024-02519-3. [PMID: 38561468 DOI: 10.1038/s41380-024-02519-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 04/04/2024]
Abstract
The elucidation of synaptic density changes provides valuable insights into the underlying brain mechanisms of substance use. In preclinical studies, synaptic density markers, like spine density, are altered by substances of abuse (e.g., alcohol, amphetamine, cannabis, cocaine, opioids, nicotine). These changes could be linked to phenomena including behavioral sensitization and drug self-administration in rodents. However, studies have produced heterogeneous results for spine density across substances and brain regions. Identifying patterns will inform translational studies given tools that now exist to measure in vivo synaptic density in humans. We performed a meta-analysis of preclinical studies to identify consistent findings across studies. PubMed, ScienceDirect, Scopus, and EBSCO were searched between September 2022 and September 2023, based on a protocol (PROSPERO: CRD42022354006). We screened 6083 publications and included 70 for meta-analysis. The meta-analysis revealed drug-specific patterns in spine density changes. Hippocampal spine density increased after amphetamine. Amphetamine, cocaine, and nicotine increased spine density in the nucleus accumbens. Alcohol and amphetamine increased, and cannabis reduced, spine density in the prefrontal cortex. There was no convergence of findings for morphine's effects. The effects of cocaine on the prefrontal cortex presented contrasting results compared to human studies, warranting further investigation. Publication bias was small for alcohol or morphine and substantial for the other substances. Heterogeneity was moderate-to-high across all substances. Nonetheless, these findings inform current translational efforts examining spine density in humans with substance use disorders.
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Affiliation(s)
- Henrique Nunes Pereira Oliva
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
- Clinical Neuroscience Research Unit, Connecticut Mental Health Center, New Haven, CT, USA
| | - Tiago Paiva Prudente
- Faculdade de Medicina, Universidade Federal de Goiás (UFG), Goiânia, Goiás, Brazil
| | - Eric J Nunes
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
- Yale Tobacco Center of Regulatory Science, Yale University School of Medicine, New Haven, CT, USA
| | - Kelly P Cosgrove
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Rajiv Radhakrishnan
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
| | - Marc N Potenza
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA
- Clinical Neuroscience Research Unit, Connecticut Mental Health Center, New Haven, CT, USA
- Child Study Center, Yale University School of Medicine, New Haven, CT, USA
- Department of Neuroscience, Yale University, New Haven, CT, USA
- Connecticut Council on Problem Gambling, Wethersfield, CT, USA
- Wu Tsai Institute, Yale University, New Haven, CT, USA
| | - Gustavo A Angarita
- Department of Psychiatry, Yale University School of Medicine, New Haven, CT, USA.
- Clinical Neuroscience Research Unit, Connecticut Mental Health Center, New Haven, CT, USA.
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7
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Pandey S, Miller CA. Targeting the cytoskeleton as a therapeutic approach to substance use disorders. Pharmacol Res 2024; 202:107143. [PMID: 38499081 PMCID: PMC11034636 DOI: 10.1016/j.phrs.2024.107143] [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: 01/01/2024] [Revised: 03/06/2024] [Accepted: 03/12/2024] [Indexed: 03/20/2024]
Abstract
Substance use disorders (SUD) are chronic relapsing disorders governed by continually shifting cycles of positive drug reward experiences and drug withdrawal-induced negative experiences. A large body of research points to plasticity within systems regulating emotional, motivational, and cognitive processes as drivers of continued compulsive pursuit and consumption of substances despite negative consequences. This plasticity is observed at all levels of analysis from molecules to networks, providing multiple avenues for intervention in SUD. The cytoskeleton and its regulatory proteins within neurons and glia are fundamental to the structural and functional integrity of brain processes and are potentially the major drivers of the morphological and behavioral plasticity associated with substance use. In this review, we discuss preclinical studies that provide support for targeting the brain cytoskeleton as a therapeutic approach to SUD. We focus on the interplay between actin cytoskeleton dynamics and exposure to cocaine, methamphetamine, alcohol, opioids, and nicotine and highlight preclinical studies pointing to a wide range of potential therapeutic targets, such as nonmuscle myosin II, Rac1, cofilin, prosapip 1, and drebrin. These studies broaden our understanding of substance-induced plasticity driving behaviors associated with SUD and provide new research directions for the development of SUD therapeutics.
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Affiliation(s)
- Surya Pandey
- Department of Molecular Medicine, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL 33458, United States; Department of Neuroscience, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL 33458, United States
| | - Courtney A Miller
- Department of Molecular Medicine, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL 33458, United States; Department of Neuroscience, The Herbert Wertheim UF Scripps Institute for Biomedical Innovation & Technology, Jupiter, FL 33458, United States.
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Alasmari MS, Almohammed OA, Hammad AM, Altulayhi KA, Alkadi BK, Alasmari AF, Alqahtani F, Sari Y, Alasmari F. Effects of Beta Lactams on Behavioral Outcomes of Substance Use Disorders: A Meta-Analysis of Preclinical Studies. Neuroscience 2024; 537:58-83. [PMID: 38036059 DOI: 10.1016/j.neuroscience.2023.11.014] [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: 04/24/2023] [Revised: 10/31/2023] [Accepted: 11/15/2023] [Indexed: 12/02/2023]
Abstract
INTRODUCTION Preclinical studies demonstrated that beta-lactams have neuroprotective effects in conditions involving glutamate neuroexcitotoxicity, including substance use disorders (SUDs). This meta-analysis aims to analyze the existing evidences on the effects of beta-lactams as glutamate transporter 1 (GLT-1) upregulators in animal models of SUDs, identification of gaps in the literature, and setting the stage for potential translation into clinical phases. METHODS Meta-analysis was conducted on preclinical studies retrieved systematically from MEDLINE and ScienceDirect databases. Abused substances were identified by refereeing to the National Institute on Drug Abuse (NIDA). The results were quantitatively described with a focus on the behavioral outcomes. Treatment effect sizes were described using standardized mean difference, and they were pooled using random effect model. I2-statistic was used to assess heterogeneity, and Funnel plot and Egger's test were used for assessment of publication bias. RESULTS Literature search yielded a total of 71 studies that were eligible to be included in the analysis. Through these studies, the effects of beta-lactams were evaluated in animal models of nicotine, cannabis, amphetamines, synthetic cathinone, opioids, ethanol, and cocaine use disorders as well as steroids-related aggressive behaviors. Meta-analysis showed that treatments with beta-lactams consistently reduced the pooled undesired effects of the abused substances in several paradigms, including drug-self administration, conditioned place preference, drug seeking behaviors, hyperlocomotion, withdrawal syndromes, tolerance to analgesic effects, hyperalgesia, and hyperthermia. CONCLUSION This meta-analysis revealed that enhancing GLT-1 expression in the brain through beta-lactams seemed to be a promising treatment approach in the context of substance use disorders, as indicated by results in animal models.
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Affiliation(s)
- Mohammed S Alasmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Saudi Arabia
| | - Omar A Almohammed
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Saudi Arabia
| | - Alaa M Hammad
- Department of Pharmacy, College of Pharmacy, Al-Zaytoonah University of Jordan, Amman 11733, Jordan
| | - Khalid A Altulayhi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Saudi Arabia
| | - Bader K Alkadi
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Saudi Arabia
| | - Abdullah F Alasmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Saudi Arabia
| | - Faleh Alqahtani
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Saudi Arabia
| | - Youssef Sari
- Department of Pharmacology and Experimental Therapeutics, College of Pharmacy and Pharmaceutical Sciences, the University of Toledo, OH, USA
| | - Fawaz Alasmari
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Saudi Arabia.
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Occhipinti C, La Russa R, Iacoponi N, Lazzari J, Costantino A, Di Fazio N, Del Duca F, Maiese A, Fineschi V. miRNAs and Substances Abuse: Clinical and Forensic Pathological Implications: A Systematic Review. Int J Mol Sci 2023; 24:17122. [PMID: 38069445 PMCID: PMC10707252 DOI: 10.3390/ijms242317122] [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: 10/17/2023] [Revised: 11/17/2023] [Accepted: 11/28/2023] [Indexed: 12/18/2023] Open
Abstract
Substance addiction is a chronic and relapsing brain disorder characterized by compulsive seeking and continued substance use, despite adverse consequences. The high prevalence and social burden of addiction are indisputable; however, the available intervention is insufficient. The modulation of gene expression and aberrant adaptation of neural networks are attributed to the changes in brain functions under repeated exposure to addictive substances. Considerable studies have demonstrated that miRNAs are strong modulators of post-transcriptional gene expression in substance addiction. The emerging role of microRNA (miRNA) provides new insights into many biological and pathological processes in the central nervous system: their variable expression in different regions of the brain and tissues may play a key role in regulating the pathophysiological events of addiction. This work provides an overview of the current literature on miRNAs involved in addiction, evaluating their impaired expression and regulatory role in neuroadaptation and synaptic plasticity. Clinical implications of such modulatory capacities will be estimated. Specifically, it will evaluate the potential diagnostic role of miRNAs in the various stages of drug and substance addiction. Future perspectives about miRNAs as potential novel therapeutic targets for substance addiction and abuse will also be provided.
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Affiliation(s)
- Carla Occhipinti
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Raffaele La Russa
- Department of Clinical Medicine, Public Health, Life Sciences, and Environmental Sciences, University of L’Aquila, 67100 L’Aquila, Italy;
| | - Naomi Iacoponi
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Julia Lazzari
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Andrea Costantino
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Nicola Di Fazio
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, 00161 Rome, Italy; (N.D.F.); (F.D.D.); (V.F.)
| | - Fabio Del Duca
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, 00161 Rome, Italy; (N.D.F.); (F.D.D.); (V.F.)
| | - Aniello Maiese
- Department of Surgical Pathology, Medical, Molecular and Critical Area, Institute of Legal Medicine, University of Pisa, 56126 Pisa, Italy; (C.O.); (N.I.); (J.L.); (A.C.)
| | - Vittorio Fineschi
- Department of Anatomical, Histological, Forensic and Orthopaedic Sciences, Sapienza University of Rome, Viale Regina Elena 336, 00161 Rome, Italy; (N.D.F.); (F.D.D.); (V.F.)
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Kallupi M, Ciccocioppo R. Cue-induced reinstatement of seeking behavior in male rats is independent from the rewarding value of the primary reinforcer: Effect of mGluR5 blockade. Neuropharmacology 2023; 240:109694. [PMID: 37659439 PMCID: PMC11094430 DOI: 10.1016/j.neuropharm.2023.109694] [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: 07/02/2023] [Revised: 08/29/2023] [Accepted: 08/29/2023] [Indexed: 09/04/2023]
Abstract
Environmental conditioning factors have a profound impact on alcohol-seeking behavior and the maintenance of alcohol use in individuals with alcohol dependence. Cues associated with alcohol, depending on the perceived value of the primary reinforcer, gain salience and can trigger relapse. This study investigates the correlation between the reward magnitude of the primary reinforcer and the reinstatement evoked by cues predictive of their availability in male rats. Rat self-administration procedures were used to test reinstatement, with reinforcers consisting of 10% alcohol, 10% sucrose, or 2% sodium chloride (NaCl) experienced under need-state conditions. The effect of MTEP ([(2-methyl-1,3-thiazol-4-yl) ethynyl] pyridine), a selective metabotropic glutamate receptor 5 (mGluR5) antagonist, on motivation and reinstatement behaviors was also evaluated. RESULTS: demonstrate that under Fixed Ratio 1 (FR1) schedule, the three reinforcers maintain operant responding with the following order of magnitude 10% sucrose >2% NaCl >10% alcohol > water. Under a progressive ratio (PR) schedule of reinforcement, rats exhibit a significantly higher breakpoint for 2% NaCl (under Na-depletion), followed by 10% sucrose and 10% alcohol. After extinction, a significant reinstatement is observed with the magnitude order of 10% sucrose >10% alcohol >2% NaCl. However, only re-exposure to alcohol-paired cues induced significant reinstatement of alcohol-seeking after 4 and 8 months. Treatment with MTEP significantly reduces reinstatement of responding across all reinforcers, with the strongest effect observed on alcohol-seeking. These findings suggest that mGluR5 plays a general role in controlling cue-reactivity, but the effect is prominent in the case of alcohol compared to natural rewards. In conclusion, the results demonstrate a remarkable dissociation between the rewarding magnitude of the primary reinforcer and its ability to trigger relapse upon presentation of a cue previously associated with it. Importantly, alcohol, despite having lower intrinsic motivational value compared to a natural reward (sucrose) or a consummatory stimulus experienced under need state conditions (NaCl), can elicit more robust and longer-term reinstatement of seeking responses. Finally, our data demonstrate a significant involvement of the mGluR5 system in the regulation of seeking behavior.
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Affiliation(s)
- Marsida Kallupi
- Department of Psychiatry, University of California, San Diego, USA.
| | - Roberto Ciccocioppo
- School of Pharmacy, Pharmacology Unit, University of Camerino, Camerino, Italy
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11
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Mellick WH, Tolliver BK, Brenner HM, Anton RF, Prisciandaro JJ. Alcohol Cue Processing in Co-Occurring Bipolar Disorder and Alcohol Use Disorder. JAMA Psychiatry 2023; 80:1150-1159. [PMID: 37556131 PMCID: PMC10413222 DOI: 10.1001/jamapsychiatry.2023.2726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 06/04/2023] [Indexed: 08/10/2023]
Abstract
Importance Reward circuitry dysfunction is a candidate mechanism of co-occurring bipolar disorder and alcohol use disorder (BD + AUD) that remains understudied. This functional magnetic resonance imaging (fMRI) research represents the first evaluation of alcohol cue reward processing in BD + AUD. Objective To determine how alcohol cue processing in individuals with BD + AUD may be distinct from that of individuals with AUD or BD alone. Design, Setting, and Participants This cross-sectional case-control study (April 2013-June 2018) followed a 2 × 2 factorial design and included individuals with BD + AUD, AUD alone, BD alone, and healthy controls. A well-validated visual alcohol cue reactivity fMRI paradigm was administered to eligible participants following their demonstration of 1 week or more of abstinence from alcohol and drugs assessed via serial biomarker testing. Study procedures were completed at the Medical University of South Carolina. Analysis took place between June and August 2022. Main Outcomes and Measures Past-week mood symptoms were rated by clinicians using the Montgomery-Åsberg Depression Rating Scale and Young Mania Rating Scale. The Alcohol Dependence Scale, Obsessive-Compulsive Drinking Scale, and Barratt Impulsiveness Scale were included questionnaires. Functional MRI whole-brain data were analyzed along with percent signal change within a priori regions of interest located in the ventral striatum, dorsal striatum, and ventromedial prefrontal cortex. Exploratory analyses of associations between cue reactivity and select behavioral correlates (alcohol craving, impulsivity, maximum number of alcohol drinks on a single occasion, and days since last alcohol drink) were also performed. Results Of 112 participants, 28 (25.0%) had BD + AUD, 26 (23.2%) had AUD alone, 31 (27.7%) had BD alone, and 27 (24.1%) were healthy controls. The mean (SD) age was 38.7 (11.6) years, 50 (45.5%) were female, 33 (30%) were smokers, and 37 (34.9%) reported recent alcohol consumption. Whole-brain analyses revealed a BD × AUD interaction (F = 10.64; P = .001; η2 = 0.09) within a cluster spanning portions of the right inferior frontal gyrus and insula. Region of interest analyses revealed a main association of BD (F = 8.02; P = .006; η2 = 0.07) within the dorsal striatum. In each instance, individuals with BD + AUD exhibited reduced activation compared with all other groups who did not significantly differ from one another. These hypoactivations were associated with increased impulsivity and obsessive-compulsive alcohol craving exclusively among individuals with BD + AUD. Conclusion and Relevance The findings of this study suggest conceptualizing reward dysfunction in BD + AUD by the potential interaction between blunted reward responsivity and deficient inhibitory control may help guide treatment development strategies. To this end, reduced right inferior frontal gyrus and insula alcohol cue reactivity represents a novel candidate biomarker of BD + AUD that may respond to pharmacological interventions targeting impulsivity-related neural mechanisms for improved executive control.
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Affiliation(s)
| | - Bryan K. Tolliver
- Addiction Sciences Division, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston
| | - Helena M. Brenner
- Addiction Sciences Division, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston
| | - Raymond F. Anton
- Addiction Sciences Division, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston
| | - James J. Prisciandaro
- Addiction Sciences Division, Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston
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12
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Illenberger JM, Flores-Ramirez FJ, Matzeu A, Lütjens R, Martin-Fardon R. ADX106772, an mGlu2 receptor positive allosteric modulator, selectively attenuates oxycodone taking and seeking. Neuropharmacology 2023; 238:109666. [PMID: 37463637 PMCID: PMC10529136 DOI: 10.1016/j.neuropharm.2023.109666] [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: 05/16/2023] [Revised: 06/29/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023]
Abstract
Opioid abuse and overdose have risen to epidemic proportions in the United States. Oxycodone is the most abused prescription opioid. Treatments for opioid use disorder (OUD) seek to reduce vulnerability to relapse by reducing sources of reinforcement to seek drug (i.e., acute drug effects or drug withdrawal/craving). Accumulating evidence that glutamate release elicits drug-seeking behaviors has generated interest in pharmacotherapies targeting the glutamate system. Agonists and positive allosteric modulators of the metabotropic glutamate 2 (mGlu2) receptor decrease glutamate activity, reducing drug taking and seeking. The present study tested whether the mGlu2 receptor positive allosteric modulator ADX106772 reduces oxycodone self-administration and the conditioned reinstatement of oxycodone seeking without affecting behaviors directed toward a highly palatable nondrug reinforcer (sweetened condensed milk). Male Wistar rats were trained to self-administer oxycodone (0.15 mg/kg/infusion, i.v., 12 h/day) or sweetened condensed milk (SCM; diluted 2:1 v/v in H2O, orally, 30 min/day) for 13 days in the presence of a contextual/discriminative stimulus (SD), and the ability of ADX106772 (0, 0.3, 1, 3 and-10 mg/kg, s. c.) to decrease self-administration was tested. The rats then underwent extinction training, during which oxycodone, SCM, and the SD were withheld. After extinction, the ability of ADX106772 to prevent SD-induced conditioned reinstatement of oxycodone and SCM seeking was tested. ADX106772 reduced oxycodone self-administration and conditioned reinstatement without affecting SCM self-administration or conditioned reinstatement. ADX106772 reduced oxycodone taking and seeking and did not affect the motivation for the palatable conventional reinforcer, SCM, suggesting that activating mGlu2 receptors with a positive allosteric modulator is a potential approach for prescription OUD treatment.
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Affiliation(s)
- Jessica M Illenberger
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA.
| | | | - Alessandra Matzeu
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
| | | | - Rémi Martin-Fardon
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
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13
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Kroll SL, Hulka LM, Kexel AK, Vonmoos M, Preller KH, Treyer V, Ametamey SM, Baumgartner MR, Boost C, Pahlisch F, Rohleder C, Leweke FM, Quednow BB. Plasma endocannabinoids in cocaine dependence and their relation to cerebral metabotropic glutamate receptor 5 density. Transl Psychiatry 2023; 13:325. [PMID: 37857616 PMCID: PMC10587180 DOI: 10.1038/s41398-023-02628-7] [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: 06/17/2023] [Revised: 09/28/2023] [Accepted: 10/06/2023] [Indexed: 10/21/2023] Open
Abstract
Animal models indicate that the endocannabinoid system (ECS) plays a modulatory role in stress and reward processing, both crucially impaired in addictive disorders. Preclinical findings showed endocannabinoid-modulated synaptic plasticity in reward brain networks linked to the metabotropic-glutamate-5 receptor (mGluR5), contributing to drug-reinforcing effects and drug-seeking behavior. Although animal models postulate a link between ECS and cocaine addiction, human translational studies are lacking. Here, we tested previous preclinical findings by investigating plasma endocannabinoids (eCBs) anandamide (AEA), 2-arachidonoylglycerol (2-AG), and the related N-acylethanolamines (NAEs) palmitoylethanolamide (PEA) and oleoylethanolamide (OEA), including their interaction with cerebral mGluR5, in chronic cocaine users (CU). We compared basal plasma concentrations between chronic CU (N = 103; 69 recreational CU and 34 dependent CU) and stimulant-naïve healthy controls (N = 92). Follow-up basal eCB/NAE plasma levels after 12 months were used for reliability and stability check (CU: N = 33; controls: N = 43). In an additional analysis using 11C-ABP688 positron emission tomography (PET) in a male subsample (CU: N = 18; controls: N = 16), we investigated the relationships between eCBs/NAEs and mGluR5 density in the brain. We found higher 2-AG plasma levels in dependent CU compared to controls and recreational CU. 2-AG levels were stable over time across all groups. In the PET-subsample, a positive association between 2-AG and mGluR5 brain density only in CU was found. Our results corroborate animal findings suggesting an alteration of the ECS in cocaine dependence and an association between peripheral 2-AG levels and cerebral mGluR5 in humans. Therefore, the ECS might be a promising pharmaco-therapeutic target for novel treatments of cocaine dependence.
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Affiliation(s)
- Sara L Kroll
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric University Hospital Zurich, University of Zurich, Zurich, Switzerland.
| | - Lea M Hulka
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Ann-Kathrin Kexel
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Matthias Vonmoos
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Katrin H Preller
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Valerie Treyer
- Department of Nuclear Medicine, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | - Simon M Ametamey
- Radiopharmaceutical Science, Institute of Pharmaceutical Sciences, ETH Zurich, Zurich, Switzerland
| | - Markus R Baumgartner
- Center for Forensic Hair Analytics, Zurich Institute of Forensic Medicine, University of Zurich, Zurich, Switzerland
| | - Carola Boost
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Franziska Pahlisch
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Cathrin Rohleder
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Brain and Mind Centre, Translational Research Collective, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - F Markus Leweke
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- Brain and Mind Centre, Translational Research Collective, Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, Australia
| | - Boris B Quednow
- Experimental and Clinical Pharmacopsychology, Department of Psychiatry, Psychotherapy, and Psychosomatics, Psychiatric University Hospital Zurich, University of Zurich, Zurich, Switzerland
- Neuroscience Center Zurich, University of Zurich and Swiss Federal Institute of Technology, Zurich, Switzerland
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14
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Tao Q, Zhang ZD, Lu XR, Qin Z, Liu XW, Li SH, Bai LX, Ge BW, Li JY, Yang YJ. Multi-omics reveals aspirin eugenol ester alleviates neurological disease. Biomed Pharmacother 2023; 166:115311. [PMID: 37572635 DOI: 10.1016/j.biopha.2023.115311] [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: 05/19/2023] [Revised: 08/06/2023] [Accepted: 08/07/2023] [Indexed: 08/14/2023] Open
Abstract
BACKGROUND Exosomes play an essential role in maintaining normal brain function due to their ability to cross the blood-brain barrier. Aspirin eugenol ester (AEE) is a new medicinal compound synthesized by the esterification of aspirin with eugenol using the prodrug principle. Aspirin has been reported to have neuroprotective effects and may be effective against neurodegenerative diseases. PURPOSE This study wanted to investigate how AEE affected neurological diseases in vivo and in vitro. EXPERIMENTAL APPROACH A multi-omics approach was used to explore the effects of AEE on the nervous system. Gene and protein expression changes of BDNF and NEFM in SY5Y cells after AEE treatment were detected using RT-qPCR and Western Blot. KEY RESULTS The multi-omics results showed that AEE could regulate neuronal synapses, neuronal axons, neuronal migration, and neuropeptide signaling by affecting transport, inflammatory response, and regulating apoptosis. Exosomes secreted by AEE-treated Caco-2 cells could promote the growth of neurofilaments in SY5Y cells and increased the expression of BDNF and NEFM proteins in SY5Y cells. miRNAs in the exosomes of AEE-treated Caco-2 cells may play an important role in the activation of SY5Y neuronal cells. CONCLUSIONS In conclusion, AEE could play positive effects on neurological-related diseases.
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Affiliation(s)
- Qi Tao
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Zhen-Dong Zhang
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Xiao-Rong Lu
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Zhe Qin
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Xi-Wang Liu
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Shi-Hong Li
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Li-Xia Bai
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Bo-Wen Ge
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China
| | - Jian-Yong Li
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China.
| | - Ya-Jun Yang
- Key Lab of New Animal Drug Project of Gansu Province, Key Lab of Veterinary Pharmaceutical Development of Ministry of Agriculture and Rural Affairs, Lanzhou Institute of Husbandry and Pharmaceutical Sciences of CAAS, Lanzhou 730050, China.
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15
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Gong H, Huang Y, Zhu X, Lu W, Cai Z, Zhu N, Huang J, Jin Y, Sun X. Impact of combination of intermittent theta burst stimulation and methadone maintenance treatment in individuals with opioid use disorder: A comparative study. Psychiatry Res 2023; 327:115411. [PMID: 37574603 DOI: 10.1016/j.psychres.2023.115411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 08/08/2023] [Accepted: 08/09/2023] [Indexed: 08/15/2023]
Abstract
Prior studies indicate that subjects undergoing methadone maintenance therapy (MMT) may experience anxiety, depression and cravings. This study aimed to explore the impact of intermittent theta burst stimulation (iTBS)-MMT combination on craving and emotional symptoms of opioid use disorder. This comparative study included subjects with opioid use disorder at the Methadone Maintenance Clinic of Pudong New Area between September 2019 and March 2020. The subjects were divided into two groups: those who received iTBS-MMT combination treatment (iTBS-MMT) and those who received MMT treatment and sham stimulation treatment (MMT). Outcomes were reduction rate of anxiety, depression and craving. Anxiety was measured by Hamilton Anxiety (HAMA) scale, depression was determined by Hamilton Depression (HAMD) scale and craving was analyzed using visual analog scale. A total of 76 subjects completed the treatment, with 38 subjects in each group. Twenty days after treatment, subjects in the iTBS-MMT group had significant improvement of anxiety (HAMA reduction rate), depression (HAMD reduction rate) and craving (Craving reduction rate) reduction rate compared with MMT group. iTBS-MMT combination treatment may produce better drug craving reduction and emotional improvement than MMT alone.
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Affiliation(s)
- Hengfen Gong
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China; Clinical Research Center for Mental Disorders, School of Medicine, Tongji University, Shanghai, China.
| | - Ying Huang
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China; Clinical Research Center for Mental Disorders, School of Medicine, Tongji University, Shanghai, China
| | - Xingjia Zhu
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Wei Lu
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Zhengyi Cai
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Na Zhu
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Juan Huang
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China
| | - Ying Jin
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China; Clinical Research Center for Mental Disorders, School of Medicine, Tongji University, Shanghai, China.
| | - Xirong Sun
- Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai, China; Clinical Research Center for Mental Disorders, School of Medicine, Tongji University, Shanghai, China.
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16
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Kaushik S, Ahmad F, Choudhary S, Mathkor DM, Mishra BN, Singh V, Haque S. Critical appraisal and systematic review of genes linked with cocaine addiction, depression and anxiety. Neurosci Biobehav Rev 2023; 152:105270. [PMID: 37271299 DOI: 10.1016/j.neubiorev.2023.105270] [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: 06/14/2022] [Revised: 05/13/2023] [Accepted: 06/02/2023] [Indexed: 06/06/2023]
Abstract
Recent lifestyle changes have resulted in tremendous peer pressure and mental stress, and increased the incidences of chronic psychological disorders; like addiction, depression and anxiety (ADA). In this context, the stress-tolerance levels vary amongst individuals and genetic factors play prominent roles. Vulnerable individuals may often be drawn towards drug-addiction to combat stress. This systematic review critically appraises the relationship of various genetic factors linked with the incidences of ADA development. For coherence, we focused solely on cocaine as a substance of abuse in this study. Online scholarly databases were used to screen pertinent literature using apt keywords; and the final retrieval included 42 primary-research articles. The major conclusion drawn from this systematic analysis states that there are 51 genes linked with the development of ADA; and 3 (BDNF, PERIOD2 and SLC6A4) of them are common to all the three aspects of ADA. Further, inter-connectivity analyses of the 51 genes further endorsed the central presence of BDNF and SLC6A4 genes in the development of ADA disorders. The conclusions derived from this systematic study pave the way for future studies for the identification of diagnostic biomarkers and drug targets; and for the development of novel and effective therapeutic regimens against ADA.
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Affiliation(s)
- Shradhha Kaushik
- Department of Biotechnology, Institute of Engineering and Technology, Dr. A.P.J. Abdul Kalam Technical University, Lucknow 226021, Uttar Pradesh, India
| | - Faraz Ahmad
- Department of Biotechnology, School of Bio-Sciences and Technology (SBST), Vellore Institute of Technology, Vellore 632014, India
| | - Sunita Choudhary
- Department of Biotechnology, Institute of Engineering and Technology, Dr. A.P.J. Abdul Kalam Technical University, Lucknow 226021, Uttar Pradesh, India
| | - Darin Mansor Mathkor
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia
| | - Bhartendu Nath Mishra
- Department of Biotechnology, Institute of Engineering and Technology, Dr. A.P.J. Abdul Kalam Technical University, Lucknow 226021, Uttar Pradesh, India
| | - Vineeta Singh
- Department of Biotechnology, Institute of Engineering and Technology, Dr. A.P.J. Abdul Kalam Technical University, Lucknow 226021, Uttar Pradesh, India.
| | - Shafiul Haque
- Research and Scientific Studies Unit, College of Nursing and Allied Health Sciences, Jazan University, Jazan 45142, Saudi Arabia; Gilbert and Rose-Marie Chagoury School of Medicine, Lebanese American University, Beirut, Lebanon; Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, the United Arab Emirates.
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17
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Mattioni L, Ferri F, Nikčević AV, Spada MM, Sestieri C. Twisted memories: Addiction-related engrams are strengthened by desire thinking. Addict Behav 2023; 145:107782. [PMID: 37348176 DOI: 10.1016/j.addbeh.2023.107782] [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: 12/18/2022] [Revised: 06/08/2023] [Accepted: 06/15/2023] [Indexed: 06/24/2023]
Abstract
Associative learning plays a central role in addiction by reinforcing associations between environmental cues and addiction-related information. Unsupervised learning models posit that memories are adjusted based on how strongly these representations are coactivated during the retrieval process. From a different perspective, clinical models of addiction posit that the escalation and persistence of craving may depend on desire thinking, a thinking style orienting to prefigure information about positive addiction-related experiences. In the present work, we tested the main hypothesis that desire thinking is a key factor in the strengthening of addiction-related associations. A group of adult smoking volunteers (N = 26) engaged in a period of desire thinking before performing an associative learning task in which neutral words (cues) were shown along with images (smoking-related vs. neutral context) at different frequencies. Two retrieval tests were administered, one immediately after encoding and the other after 24 h, to test how the recall of associations changed as a function of retention interval. Two control groups, smokers (N = 21) and non-smokers (N = 22), performed a similar procedure, with a neutral imagination task replacing desire thinking. Participants who engaged in desire thinking increased their performance from the first to the second retrieval test only for the most frequent smoking-related associations. Crucially, this selective effect was not observed in the two control groups. These results provide behavioral evidence in support of the idea that desire thinking plays a role in strengthening addiction-related associations. Thus, this thinking process may be considered a target for reconsolidation-based conceptualizations of, and treatments for, addiction.
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Affiliation(s)
- Lorenzo Mattioni
- Department of Neuroscience, Imaging and Clinical Sciences - and ITAB, Institute for Advanced Biomedical Technologies, G. d'Annunzio University, Chieti, Italy.
| | - Francesca Ferri
- Department of Neuroscience, Imaging and Clinical Sciences - and ITAB, Institute for Advanced Biomedical Technologies, G. d'Annunzio University, Chieti, Italy
| | - Ana V Nikčević
- Department of Psychology, Kingston University, Kingston upon Thames, UK
| | | | - Carlo Sestieri
- Department of Neuroscience, Imaging and Clinical Sciences - and ITAB, Institute for Advanced Biomedical Technologies, G. d'Annunzio University, Chieti, Italy
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18
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Wilhelm RA, Spechler PA, Demuth MJ, Gonzalez M, Kemp C, Walls M, Aupperle RL, Paulus MP, Stewart JL, White EJ. Striatal hypoactivation during monetary loss anticipation in individuals with substance use disorders in a heterogenous urban American Indian sample. Drug Alcohol Depend 2023; 246:109852. [PMID: 37003108 PMCID: PMC10614574 DOI: 10.1016/j.drugalcdep.2023.109852] [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: 12/21/2022] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 04/03/2023]
Abstract
Research suggests that disproportionate exposure to risk factors places American Indian (AI) peoples at higher risk for substance use disorders (SUD). Although SUD is linked to striatal prioritization of drug rewards over other appetitive stimuli, there are gaps in the literature related to the investigation of aversive valuation processing, and inclusion of AI samples. To address these gaps, this study compared striatal anticipatory gain and loss processing between AI-identified with SUD (SUD+; n = 52) and without SUD (SUD-; n = 35) groups from the Tulsa 1000 study who completed a monetary incentive delay (MID) task during functional magnetic resonance imaging. Results indicated that striatal activations in the nucleus accumbens (NAcc), caudate, and putamen were greatest for anticipating gains (ps < 0.001) but showed no group differences. In contrast to gains, the SUD+ exhibited lower NAcc (p = .01, d =0.53) and putamen (p = .04, d =0.40) activation to anticipating large losses than the comparison group. Within SUD+ , lower striatal responses during loss anticipations were associated with slower MID reaction times (NAcc: r = -0.43; putamen: r = -0.35) during loss trials. This is among the first imaging studies to examine underlying neural mechanisms associated with SUD within AIs. Attenuated loss processing provides initial evidence of a potential mechanism wherein blunted prediction of aversive consequences may be a defining feature of SUD that can inform future prevention and intervention targets.
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Affiliation(s)
| | | | - Mara J Demuth
- Laureate Institute for Brain Research, Tulsa, OK, USA
| | - Miigis Gonzalez
- Center for American Indian Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Christopher Kemp
- Center for American Indian Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Melissa Walls
- Center for American Indian Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA
| | - Robin L Aupperle
- Laureate Institute for Brain Research, Tulsa, OK, USA; Oxley School of Community Medicine, University of Tulsa, Tulsa, OK, USA
| | | | - Jennifer L Stewart
- Laureate Institute for Brain Research, Tulsa, OK, USA; Oxley School of Community Medicine, University of Tulsa, Tulsa, OK, USA
| | - Evan J White
- Laureate Institute for Brain Research, Tulsa, OK, USA; Oxley School of Community Medicine, University of Tulsa, Tulsa, OK, USA.
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19
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Dousti Kataj P, Vousooghi N, Hadjighassem M, Farahmandfar M, Ebrahimi-Barough S. Evaluation of the effect of mesenchymal stem cells injection in the nucleus accumbens on the morphine reinstatement behavior in a conditioned place preference model in Wistar rat: Expression changes of NMDA receptor subunits and NT-3. Behav Brain Res 2023; 444:114360. [PMID: 36854364 DOI: 10.1016/j.bbr.2023.114360] [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: 10/06/2022] [Revised: 01/31/2023] [Accepted: 02/21/2023] [Indexed: 02/27/2023]
Abstract
Mesenchymal stem cells (MSCs) have been recently shown to improve functional recovery in animal models of CNS disorders and are currently being examined in clinical studies for sclerosis, stroke, and CNS lesions. The activation of endogenous CNS protection and repair mechanisms is unclear. MSC-based approaches are considered a new potential target for neurodegenerative disorders. This study was designed to discover the effect of MSCs injection in the nucleus accumbens (NAc) on the reinstatement of behavior in morphine-induced conditioned place preference (CPP) in male rats. The CPP was induced via intra-peritoneal (i.p.) morphine injection (5 mg/kg) for three consecutive days. After being tested for CPP induction, animals received MSCs or culture medium (DMEM F-12) in their NAc using stereotaxic surgery. Following extinction, a priming dose of morphine (2 mg/kg) was administered to induce reinstatement. Expression of GluN1, GluN2A, and GluN2B subunits of the NMDA receptor and the NT-3 gene in the NAc was assessed on the last day of extinction and following CPP reinstatement. The results showed that local injection of MSCs attenuated reinstatement after receiving a priming dose of morphine, and also shortened the period of CPP extinction. The mRNA expression of the NT-3 gene in the group receiving MSCs was increased compared to control animals, as was observed for GluN1 and GluN2B, but not GluN2A. It is concluded that intra-NAc injection of MSCs may facilitate morphine extinction and alleviate reinstatement behavior which may be via expression changes in NMDA receptor subunits and NT-3 gene.
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Affiliation(s)
- Parviz Dousti Kataj
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, the Islamic Republic of Iran
| | - Nasim Vousooghi
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, the Islamic Republic of Iran; Research Center for Cognitive and Behavioral Sciences, Tehran University of Medical Sciences, Tehran, the Islamic Republic of Iran; Iranian National Center for Addiction Studies, Tehran University of Medical Sciences, Tehran, the Islamic Republic of Iran.
| | - Mahmoudreza Hadjighassem
- Brain and Spinal Cord Injury Research Center, Tehran University of Medical Sciences, Tehran, the Islamic Republic of Iran
| | - Maryam Farahmandfar
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, the Islamic Republic of Iran
| | - Somayeh Ebrahimi-Barough
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, the Islamic Republic of Iran
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20
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Hu Y, Dong F, Xue T, Zhou M, Huang R, Sui F, Guo Q, Hou W, Cai W, Yuan K, Wang H, Yu D. Glutamate levels in the ventromedial prefrontal cortex and resting‐state functional connectivity within reward circuits in alcohol‐dependent patients. Addict Biol 2023; 28:e13272. [PMID: 37016753 DOI: 10.1111/adb.13272] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 01/17/2023] [Accepted: 02/13/2023] [Indexed: 03/06/2023]
Abstract
Great progress has been made in understanding the neural mechanisms associated with alcohol-dependent (AD) patients. However, the interactions within the reward circuits of the patients need further exploration. Glutamatergic projections from the prefrontal cortex to some brain regions are present in the reward circuit. However, little is known about the potential implications of glutamate levels in the prefrontal cortex on abnormal interactions within reward circuits in AD patients. To determine the potential roles of reward circuits in drinking, we investigated differences in resting-state functional connectivity (RSFC) and multivariate Granger causality analysis between 20 AD patients and 20 healthy controls (HC). The neuroimaging findings were then correlated with clinical variables (alcohol use disorder identification test). The ventromedial prefrontal cortex (VmPFC) is believed to play a critical role in addiction disorders, and glutamatergic projections from the prefrontal cortex to several regions of the brain are present in reward circuits. Proton magnetic resonance spectroscopy was also performed to assess the difference in glutamate levels in VmPFC between AD patients and HC. The results showed that the strength of functional connectivity in the reward circuit was generally attenuated in AD patients, and the reciprocal enhancement of activity between the right insula, left thalamus and VmPFC was found to be significantly greater in AD patients. It is worth noting that although glutamate levels in the VmPFC did not show significant differences between the two groups, the level of glutamate in the VmPFC was significantly correlated with RSFC. We hope that the current findings will help us to develop new intervention models based on the important role of the VmPFC in AD.
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Affiliation(s)
- Yiting Hu
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering Inner Mongolia University of Science and Technology Baotou China
| | - Fang Dong
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering Inner Mongolia University of Science and Technology Baotou China
| | - Ting Xue
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering Inner Mongolia University of Science and Technology Baotou China
- School of Science Inner Mongolia University of Science and Technology Baotou China
| | - Mi Zhou
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering Inner Mongolia University of Science and Technology Baotou China
| | - Ruoyan Huang
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering Inner Mongolia University of Science and Technology Baotou China
| | - Feng Sui
- Xilinguole Meng Mongolian General Hospital Xilinhaote China
| | - Qiang Guo
- Xilinguole Meng Mongolian General Hospital Xilinhaote China
| | - Wenbao Hou
- Xilinguole Meng Mongolian General Hospital Xilinhaote China
| | - Wenlong Cai
- Xilinguole Meng Mongolian General Hospital Xilinhaote China
| | - Kai Yuan
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering Inner Mongolia University of Science and Technology Baotou China
- Center for Brain Imaging, School of Life Science and Technology Xidian University Xi'an China
- Engineering Research Center of Molecular and Neuro Imaging Ministry of Education Xi'an China
- International Joint Research Center for Advanced Medical Imaging and Intelligent Diagnosis and Treatment & Xi'an Key Laboratory of Intelligent Sensing and Regulation of trans‐Scale Life Information, School of Life Science and Technology Xidian University Xi'an China
| | - Hongde Wang
- Xilinguole Meng Mongolian General Hospital Xilinhaote China
| | - Dahua Yu
- Inner Mongolia Key Laboratory of Pattern Recognition and Intelligent Image Processing, School of Information Engineering Inner Mongolia University of Science and Technology Baotou China
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21
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Domanegg K, Sommer WH, Meinhardt MW. Psychedelic Targeting of Metabotropic Glutamate Receptor 2 and Its Implications for the Treatment of Alcoholism. Cells 2023; 12:963. [PMID: 36980303 PMCID: PMC10047550 DOI: 10.3390/cells12060963] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Alcohol abuse is a leading risk factor for the public health burden worldwide. Approved pharmacotherapies have demonstrated limited effectiveness over the last few decades in treating alcohol use disorders (AUD). New therapeutic approaches are therefore urgently needed. Historical and recent clinical trials using psychedelics in conjunction with psychotherapy demonstrated encouraging results in reducing heavy drinking in AUD patients, with psilocybin being the most promising candidate. While psychedelics are known to induce changes in gene expression and neuroplasticity, we still lack crucial information about how this specifically counteracts the alterations that occur in neuronal circuits throughout the course of addiction. This review synthesizes well-established knowledge from addiction research about pathophysiological mechanisms related to the metabotropic glutamate receptor 2 (mGlu2), with findings and theories on how mGlu2 connects to the major signaling pathways induced by psychedelics via serotonin 2A receptors (2AR). We provide literature evidence that mGlu2 and 2AR are able to regulate each other's downstream signaling pathways, either through monovalent crosstalk or through the formation of a 2AR-mGlu2 heteromer, and highlight epigenetic mechanisms by which 2ARs can modulate mGlu2 expression. Lastly, we discuss how these pathways might be targeted therapeutically to restore mGlu2 function in AUD patients, thereby reducing the propensity to relapse.
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Affiliation(s)
- Kevin Domanegg
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, 69115 Heidelberg, Germany
| | - Wolfgang H. Sommer
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, 69115 Heidelberg, Germany
- Bethanien Hospital for Psychiatry, Psychosomatics, and Psychotherapy Greifswald, 17489 Greifswald, Germany
| | - Marcus W. Meinhardt
- Institute of Psychopharmacology, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, 69115 Heidelberg, Germany
- Department of Molecular Neuroimaging, Central Institute of Mental Health, Medical Faculty Mannheim, University of Heidelberg, 69115 Heidelberg, Germany
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22
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Xie X, Zhuang D, Gu J, Wu T, Shen W, Li L, Liu Y, Xu W, Hong Q, Xu Z, Chen W, Zhou W, Liu H. Association of GABA receptor delta subunit gene variations with increased risk of methamphetamine dependence. Neurosci Lett 2023; 800:137137. [PMID: 36804572 DOI: 10.1016/j.neulet.2023.137137] [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: 12/01/2022] [Revised: 02/01/2023] [Accepted: 02/15/2023] [Indexed: 02/19/2023]
Abstract
OBJECTIVE Evidence reveals that γ-aminobutyric acid (GABA) receptors are involved in the development of methamphetamine (METH) dependence. The GABA receptor delta subunit gene (GABRD) might be a good candidate gene for METH dependence. In a case-control study, we investigated the association between the single nucleotide polymorphisms (SNPs) in GABRD and METH dependence in a Chinese Han population. METHODS A total of 300 METH dependent patients and 300 age and sex matched normal control subjects were recruited. Four SNPs (rs13303344, rs4481796, rs2376805, and rs2229110) in GABRD were determined with the TaqMan genotyping assay. The association of the SNPs with METH dependence was assessed. RESULTS Only the allele frequency of rs2376805 significantly differed between the patients and controls (P = 0.030). The G allele frequency of rs2376805 was higher in the METH dependent group than in the controls (odds ratio = 1.332, 95 % CI: 1.028-1.724). This association was found in females but not in males. In females, the frequencies of genotype and allele at rs2376805 significantly differed between the patients and controls (P = 0.025, 0.022, respectively); the rs2376805 G allele may also be a risk factor for METH dependence (odds ratio = 1.548, 95 % CI: 1.063-2.257). The haplotype ACGT frequency significantly differed between the patients and controls in total subjects (P = 0.008, odds ratio = 1.815, 95 % CI: 1.183-2.782), as well as in females (P = 0.005, odds ratio = 2.702, 95 % CI: 1.313-5.562). In females only, the METH craving score was significantly lower in patients harboring the G allele at rs2376805 than in those harboring the homozygous AA genotype (P = 0.044). CONCLUSION The preliminary results indicate that GABRD rs2376805 is associated with METH dependence, especially in females.
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Affiliation(s)
- Xiaohu Xie
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China.
| | - Dingding Zhuang
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Jun Gu
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Tingting Wu
- School of Medicine, Ningbo University, Ningbo, Zhejiang, China
| | - Wenwen Shen
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Longhui Li
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Yue Liu
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Wenjin Xu
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Qingxiao Hong
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Zemin Xu
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Weisheng Chen
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China
| | - Wenhua Zhou
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China; School of Medicine, Ningbo University, Ningbo, Zhejiang, China.
| | - Huifen Liu
- Key Laboratory of Addiction Research of Zhejiang Province, Ningbo Kangning Hospital, Ningbo, Zhejiang, China; School of Medicine, Ningbo University, Ningbo, Zhejiang, China.
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23
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Kim SY, Jeong SH, Park EC. Age at onset of alcohol consumption and its association with alcohol misuse in adulthood. Neuropsychopharmacol Rep 2023; 43:40-49. [PMID: 36577509 PMCID: PMC10009427 DOI: 10.1002/npr2.12302] [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: 07/21/2022] [Revised: 10/30/2022] [Accepted: 11/10/2022] [Indexed: 12/30/2022] Open
Abstract
OBJECTIVE This study aimed to explore the association between early age onset of alcohol consumption and alcohol misuse in adulthood. METHODS The study sample consisted of 16 829 individuals' (8349 males, 8435 females) survey responses obtained from the Korea National Health and Nutrition Examination Survey (KNHANES) from 2016 through 2019. Alcohol dependence was measured using the AUDIT-C (Alcohol Use Disorder Identification Test-Consumption), and the ages at which alcohol consumption began were grouped into four categories: under 16, 16 to 18, 19 to 23, and over 24. Multiple logistic regression was used to examine the association between current alcohol misuse and age at onset of alcohol consumption. RESULTS Compared to individuals who started drinking alcohol after the age of 24, those who began drinking alcohol before the age of 16 were more likely to score 8 or more on AUDIT-C questions (under 16: males, odds ratio [OR] 2.50, confidence interval [CI] 1.97-3.17; females, OR: 1.66, CI: 1.18-2.33). Similar to the main analysis, the earlier the onset of alcohol assumption starts, the more likely one is to develop alcohol misuse in adulthood according to subgroup analysis stratified by independent variables in both gender. CONCLUSION The lower the age at the onset of alcohol consumption, the higher the likelihood of alcohol misuse in adulthood. While both males and females showed the same trend in response to the AUDIT-C questions, males tended to have a stronger association between early onset alcohol consumption and alcohol misuse.
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Affiliation(s)
- Soo Y Kim
- Department of Public Health, Graduate School, Yonsei University, Seoul, Republic of Korea.,Institute of Health Services Research, Yonsei University, Seoul, Republic of Korea
| | - Sung H Jeong
- Department of Public Health, Graduate School, Yonsei University, Seoul, Republic of Korea.,Institute of Health Services Research, Yonsei University, Seoul, Republic of Korea
| | - Eun-Cheol Park
- Institute of Health Services Research, Yonsei University, Seoul, Republic of Korea.,Department of Preventive Medicine, Yonsei University College of Medicine, Seoul, Republic of Korea
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24
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Distinctive Neuroanatomic Regions Involved in Cocaine-Induced Behavioral Sensitization in Mice. Biomedicines 2023; 11:biomedicines11020383. [PMID: 36830920 PMCID: PMC9953661 DOI: 10.3390/biomedicines11020383] [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: 12/22/2022] [Revised: 01/19/2023] [Accepted: 01/20/2023] [Indexed: 01/31/2023] Open
Abstract
The present study aimed to characterize the phenomenon of behavioral sensitization to cocaine and to identify neuroanatomical structures involved in the induction and expression phases of this phenomenon. For this, in experiment 1 (induction phase), mice were treated with saline or cocaine every second day for 15 days (conditioning period), in the open-field or in their home-cages. In experiment 2 (expression phase), the same protocol was followed, except that after the conditioning period the animals were not manipulated for 10 days, and after this interval, animals were challenged with cocaine. Neuroanatomical structures involved in the induction and expression phases were identified by stereological quantification of c-Fos staining in the dorsomedial prefrontal cortex (dmPFC), nucleus accumbens core (NAc core and shell (NAc shell), basolateral amygdala (BLA), and ventral tegmental area (VTA). Neuroanatomical analysis indicated that in the induction phase, cocaine-conditioned animals had higher expression of c-Fos in the dmPFC, NAc core, BLA, and VTA, whereas in the expression phase, almost all areas had higher expression except for the VTA. Therefore, environmental context plays a major role in the induction and expression of behavioral sensitization, although not all structures that compose the mesolimbic system contribute to this phenomenon.
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25
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Jin D, Chen H, Chen SR, Pan HL. α2δ-1 protein drives opioid-induced conditioned reward and synaptic NMDA receptor hyperactivity in the nucleus accumbens. J Neurochem 2023; 164:143-157. [PMID: 36222452 PMCID: PMC9892208 DOI: 10.1111/jnc.15706] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/19/2022] [Accepted: 10/08/2022] [Indexed: 02/04/2023]
Abstract
Glutamate NMDA receptors (NMDARs) in the nucleus accumbens (NAc) are critically involved in drug dependence and reward. α2δ-1 is a newly discovered NMDAR-interacting protein that promotes synaptic trafficking of NMDARs independently of its conventional role as a calcium channel subunit. However, it remains unclear how repeated opioid exposure affects synaptic NMDAR activity and α2δ-1-NMDAR interaction in the NAc. In this study, whole-cell patch-clamp recordings showed that repeated treatment with morphine in mice markedly increased the NMDAR-mediated frequency of miniature excitatory postsynaptic currents (mEPSCs) and amplitude of puff NMDAR currents in medium spiny neurons in the NAc core region. Morphine treatment significantly increased the physical interaction of α2δ-1 with GluN1 and their synaptic trafficking in the NAc. In Cacna2d1 knockout mice, repeated treatment with morphine failed to increase the frequency of mEPSCs and amplitude of puff NMDAR currents in the NAc core. Furthermore, inhibition of α2δ-1 with gabapentin or disruption of the α2δ-1-NMDAR interaction with the α2δ-1 C terminus-interfering peptide blocked the morphine-elevated frequency of mEPSCs and amplitude of puff NMDAR currents in the NAc core. Correspondingly, systemically administered gabapentin, Cacna2d1 ablation, or microinjection of the α2δ-1 C terminus-interfering peptide into the NAc core attenuated morphine-induced conditioned place preference and locomotor sensitization. Our study reveals that repeated opioid exposure strengthens presynaptic and postsynaptic NMDAR activity in the NAc via α2δ-1. The α2δ-1-bound NMDARs in the NAc have a key function in the rewarding effect of opioids and could be targeted for treating opioid use disorder and addiction.
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Affiliation(s)
- Daozhong Jin
- Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Hong Chen
- Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Shao-Rui Chen
- Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Hui-Lin Pan
- Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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26
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Asp AJ, Chintaluru Y, Hillan S, Lujan JL. Targeted neuroplasticity in spatiotemporally patterned invasive neuromodulation therapies for improving clinical outcomes. Front Neuroinform 2023; 17:1150157. [PMID: 37035718 PMCID: PMC10080034 DOI: 10.3389/fninf.2023.1150157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Accepted: 03/06/2023] [Indexed: 04/11/2023] Open
Affiliation(s)
- Anders J. Asp
- Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, United States
| | - Yaswanth Chintaluru
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, United States
- Department of Neurology and Neurosurgery, University of Colorado Anschutz School of Medicine, Aurora, CO, United States
| | - Sydney Hillan
- Mayo Clinic Graduate School of Biomedical Sciences, Mayo Clinic, Rochester, MN, United States
| | - J. Luis Lujan
- Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, United States
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States
- *Correspondence: J. Luis Lujan
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27
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Brown TE, Sorg BA. Net gain and loss: influence of natural rewards and drugs of abuse on perineuronal nets. Neuropsychopharmacology 2023; 48:3-20. [PMID: 35568740 PMCID: PMC9700711 DOI: 10.1038/s41386-022-01337-x] [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: 03/01/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 12/26/2022]
Abstract
Overindulgence, excessive consumption, and a pattern of compulsive use of natural rewards, such as certain foods or drugs of abuse, may result in the development of obesity or substance use disorder, respectively. Natural rewards and drugs of abuse can trigger similar changes in the neurobiological substrates that drive food- and drug-seeking behaviors. This review examines the impact natural rewards and drugs of abuse have on perineuronal nets (PNNs). PNNs are specialized extracellular matrix structures that ensheathe certain neurons during development over the critical period to provide synaptic stabilization and a protective microenvironment for the cells they surround. This review also analyzes how natural rewards and drugs of abuse impact the density and maturation of PNNs within reward-associated circuitry of the brain, which may contribute to maladaptive food- and drug-seeking behaviors. Finally, we evaluate the relatively few studies that have degraded PNNs to perturb reward-seeking behaviors. Taken together, this review sheds light on the complex way PNNs are regulated by natural rewards and drugs and highlights a need for future studies to delineate the molecular mechanisms that underlie the modification and maintenance of PNNs following exposure to rewarding stimuli.
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Affiliation(s)
- Travis E Brown
- Integrative Physiology and Neuroscience, Washington State University, Pullman, WA, 99164, USA.
| | - Barbara A Sorg
- R.S. Dow Neurobiology, Legacy Research Institute, Portland, OR, 97232, USA
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28
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Synaptic plasticity and mental health: methods, challenges and opportunities. Neuropsychopharmacology 2023; 48:113-120. [PMID: 35810199 PMCID: PMC9700665 DOI: 10.1038/s41386-022-01370-w] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/13/2022] [Accepted: 06/20/2022] [Indexed: 12/14/2022]
Abstract
Activity-dependent synaptic plasticity is a ubiquitous property of the nervous system that allows neurons to communicate and change their connections as a function of past experiences. Through reweighting of synaptic strengths, the nervous system can remodel itself, giving rise to durable memories that create the biological basis for mental function. In healthy individuals, synaptic plasticity undergoes characteristic developmental and aging trajectories. Dysfunctional plasticity, in turn, underlies a wide spectrum of neuropsychiatric disorders including depression, schizophrenia, addiction, and posttraumatic stress disorder. From a mechanistic standpoint, synaptic plasticity spans the gamut of spatial and temporal scales, from microseconds to the lifespan, from microns to the entire nervous system. With the numbers and strengths of synapses changing on such wide scales, there is an important need to develop measurement techniques with complimentary sensitivities and a growing number of approaches are now being harnessed for this purpose. Through hemodynamic measures, structural and tracer imaging, and noninvasive neuromodulation, it is possible to image structural and functional changes that underlie synaptic plasticity and associated behavioral learning. Here we review the mechanisms of neural plasticity and the historical and future trends in techniques that allow imaging of synaptic changes that accompany psychiatric disorders, highlighting emerging therapeutics and the challenges and opportunities accompanying this burgeoning area of study.
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29
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Li W, Wang YY, Xiao L, Ding J, Wang L, Wang F, Sun T. Mysterious long noncoding RNAs and their relationships to human disease. Front Mol Biosci 2022; 9:950408. [PMID: 36406273 PMCID: PMC9666423 DOI: 10.3389/fmolb.2022.950408] [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: 05/22/2022] [Accepted: 10/18/2022] [Indexed: 11/29/2022] Open
Abstract
Increasingly studies have shown that the formation mechanism of many human diseases is very complex, which is determined by environmental factors and genetic factors rather than fully following Mendel's genetic law of inheritance. Long non-coding RNA (lncRNA) is a class of endogenous non-protein coding RNA with a length greater than 200 nt, which has attracted much attention in recent years. Studies have shown that lncRNAs have a wide range of biological functions, such as roles in gene imprinting, cell cycle progression, apoptosis, senescence, cell differentiation, and stress responses, and that they regulate the life processes of mammals at various levels, such as epigenetic transcription, processing, modification, transport, translation and degradation. Analyzing the characteristics of lncRNAs and revealing their internal roles can not only deepen our understanding of human physiological and pathological processes, but also provide new ideas and solutions for the diagnosis, prevention and treatment of some diseases. This article mainly reviews the biological characteristics of lncRNAs and their relationship with some diseases, so as to provide references for the related research of lncRNAs.
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Affiliation(s)
- Wenchao Li
- Ningxia Key Laboratory of Craniocerebral Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China,The First Affiliated Hospital of Xinxiang Medical University, Xinxiang, China
| | - Yang Yang Wang
- Ningxia Key Laboratory of Craniocerebral Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Lifei Xiao
- Ningxia Key Laboratory of Craniocerebral Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Jiangwei Ding
- Ningxia Key Laboratory of Craniocerebral Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Lei Wang
- Ningxia Key Laboratory of Craniocerebral Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China
| | - Feng Wang
- Zhejiang University School of Medicine, Hangzhou, China,*Correspondence: Tao Sun, ; Feng Wang,
| | - Tao Sun
- Ningxia Key Laboratory of Craniocerebral Disease, Incubation Base of National Key Laboratory, Ningxia Medical University, Yinchuan, China,*Correspondence: Tao Sun, ; Feng Wang,
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Amaral IM, Scheffauer L, Hofer A, El Rawas R. Protein kinases in natural versus drug reward. Pharmacol Biochem Behav 2022; 221:173472. [PMID: 36244528 DOI: 10.1016/j.pbb.2022.173472] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/27/2022] [Accepted: 10/05/2022] [Indexed: 12/14/2022]
Abstract
Natural and drug rewards act on the same neural pathway, the mesolimbic dopaminergic system. In brain regions such as the nucleus accumbens and ventral tegmental area, drugs of abuse-induced stimulation of signaling pathways can lead to synaptic reshaping within this system. This is believed to be underlying the maladaptive alterations in behaviors associated with addiction. In this review, we discuss animal studies disclosing the implication of several protein kinases, namely protein kinase A (PKA), extracellular signal regulated kinase (ERK) mitogen-activated protein kinases (MAPK), p38 MAPK, and calcium/calmodulin-dependent kinase II (CaMKII), in reward-related brain regions in drug and natural reward. Furthermore, we refer to studies that helped pave the way toward a better understanding of the neurobiology underlying non-drug and drug reward through genetic deletion or brain region-specific pharmacological inhibition of these kinases. Whereas the role of kinases in drug reward has been extensively studied, their implication in natural reward, such as positive social interaction, is less investigated. Discovering molecular candidates, recruited specifically by drug versus natural rewards, can promote the identification of novel targets for the pharmacological treatment of addiction with less off-target effects and being effective when used combined with behavioral-based therapies.
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Affiliation(s)
- Inês M Amaral
- Division of Psychiatry I, Department of Psychiatry, Psychotherapy, Psychosomatics and Medical Psychology, Medical University Innsbruck, Austria.
| | - Laura Scheffauer
- Division of Psychiatry I, Department of Psychiatry, Psychotherapy, Psychosomatics and Medical Psychology, Medical University Innsbruck, Austria.
| | - Alex Hofer
- Division of Psychiatry I, Department of Psychiatry, Psychotherapy, Psychosomatics and Medical Psychology, Medical University Innsbruck, Austria.
| | - Rana El Rawas
- Division of Psychiatry I, Department of Psychiatry, Psychotherapy, Psychosomatics and Medical Psychology, Medical University Innsbruck, Austria.
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Armstrong C, Ferrante J, Lamichhane N, Reavis Z, Walker D, Patkar A, Kuhn C. Rapastinel accelerates loss of withdrawal signs after repeated morphine and blunts relapse to conditioned place preference. Pharmacol Biochem Behav 2022; 221:173485. [PMID: 36302442 DOI: 10.1016/j.pbb.2022.173485] [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: 08/04/2022] [Revised: 10/18/2022] [Accepted: 10/19/2022] [Indexed: 11/07/2022]
Abstract
The purpose of the present study was to evaluate the efficacy of rapastinel, an allosteric modulator of NMDA receptor function, to accelerate the loss of opioid withdrawal symptoms and blunt or prevent relapse to morphine conditioned place preference (CPP) in rats. Two studies were conducted. In study 1, adult and adolescent male and female rats were treated with increasing doses of morphine (5 mg/kg, bid to 25 mg/kg bid) for 5 days. On day 6 animals were treated with naloxone (1 mg/kg) and withdrawal was assessed. They were then treated with saline or rapastinel (5 mg/kg) on days 6 and 8, and withdrawal was assessed on day 9. Rapastinel treated animals exhibited significantly lower levels of withdrawal signs on day 9. No sex or age differences were observed. In Study 2, CPP for morphine was established in adult rats (males and females) by 4 daily pairings with saline and morphine (am/pm alternation). They were tested for CPP on day 5, and then treated with rapastinel (5 mg/kg) or saline daily on days 6-10 of extinction. On day 11 they received a final dose of rapastinel or saline followed by extinction trial. On day 12, animals received 1 mg/kg of morphine and were tested for relapse. Rapastinel did not affect extinction of CPP, but rapastinel-treated animals spent significantly less time in the previously morphine-paired side than saline-treated animals during the relapse trial. These findings of accelerated loss of withdrawal signs and blunted relapse to CPP suggest that rapastinel could provide an adjunctive therapy for opioid dependence during initiation of pharmacotherapy for opioid dependence.
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Affiliation(s)
- Christopher Armstrong
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, United States of America
| | - Julia Ferrante
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, United States of America; Department of Psychiatry, Duke University Medical Center, Durham, NC 27710, United States of America
| | - Nidesh Lamichhane
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, United States of America; Department of Psychiatry, Duke University Medical Center, Durham, NC 27710, United States of America
| | - Zachery Reavis
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, United States of America; Department of Psychiatry, Duke University Medical Center, Durham, NC 27710, United States of America
| | - David Walker
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, United States of America; Department of Psychiatry, Duke University Medical Center, Durham, NC 27710, United States of America
| | - Ashwin Patkar
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, United States of America; Department of Psychiatry, Duke University Medical Center, Durham, NC 27710, United States of America; Avance Psychiatry, 7850 Brier Creek Pkwy, Ste. 102, Raleigh, NC 27617, United States of America
| | - Cynthia Kuhn
- Department of Pharmacology and Cancer Biology, Duke University Medical Center, Durham, NC 27710, United States of America; Department of Psychiatry, Duke University Medical Center, Durham, NC 27710, United States of America.
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Zetterström TSC, Quansah E, Grootveld M. Effects of Methylphenidate on the Dopamine Transporter and Beyond. Curr Top Behav Neurosci 2022; 57:127-157. [PMID: 35507284 DOI: 10.1007/7854_2022_333] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The dopamine transporter (DAT) is the main target of methylphenidate (MPH), which remains the number one drug prescribed worldwide for the treatment of Attention-Deficit Hyperactivity Disorder (ADHD). In addition, abnormalities of the DAT have been widely associated with ADHD. Based on clinical and preclinical studies, the direction of DAT abnormalities in ADHD are, however, still unclear. Moreover, chronic treatment of MPH has been shown to increase brain DAT expression in both animals and ADHD patients, suggesting that findings of overexpressed levels of DAT in ADHD patients are possibly attributable to the effects of long-term MPH treatment rather than the pathology of the condition itself. In this chapter, we will discuss some of the effects exerted by MPH, which are related to its actions on catecholamine protein targets and brain metabolites, together with genes and proteins mediating neuronal plasticity. For this purpose, we present data from biochemical, proton nuclear magnetic resonance spectroscopy (1H-NMR) and gene/protein expression studies. Overall, results of the studies discussed in this chapter show that MPH has a complex biological/pharmacological action well beyond the DAT.
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Affiliation(s)
- Tyra S C Zetterström
- Pharmacology and Neuroscience Research Group, Leicester School of Pharmacy, Faculty of Health and Life Sciences, De Montfort University, Leicester, UK.
| | - Emmanuel Quansah
- Pharmacology and Neuroscience Research Group, Leicester School of Pharmacy, Faculty of Health and Life Sciences, De Montfort University, Leicester, UK
| | - Martin Grootveld
- Pharmacology and Neuroscience Research Group, Leicester School of Pharmacy, Faculty of Health and Life Sciences, De Montfort University, Leicester, UK
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Inbar K, Levi LA, Kupchik YM. Cocaine induces input and cell-type-specific synaptic plasticity in ventral pallidum-projecting nucleus accumbens medium spiny neurons. Neuropsychopharmacology 2022; 47:1461-1472. [PMID: 35121830 PMCID: PMC9205871 DOI: 10.1038/s41386-022-01285-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 01/23/2022] [Accepted: 01/24/2022] [Indexed: 11/09/2022]
Abstract
Cocaine use and abstinence induce long-term synaptic alterations in the excitatory input to nucleus accumbens (NAc) medium spiny neurons (MSNs). The NAc regulates reward-related behaviors through two parallel projections to the ventral pallidum (VP)-originating in D1 or D2-expressing MSNs (D1-MSNs→VP; D2-MSNs→VP). The activity of these projections depends on their excitatory synaptic inputs, but it is not known whether and how abstinence from cocaine affects the excitatory transmission to D1-MSNs→VP and D2-MSNs→VP. Here we examined different forms of cocaine-induced synaptic plasticity in the inputs from the basolateral amygdala (BLA) and medial prefrontal cortex (mPFC) to NAc D1-MSNs→VP and putative D2-MSNs→VP (pD2-MSNs→VP) in the core and shell subcompartments of the NAc. We used the whole-cell patch-clamp technique to record excitatory postsynaptic currents from D1-tdTomato mice injected with ChR2 in either the BLA or the mPFC and retrograde tracer (RetroBeads) in the VP. We found that cocaine conditioned place preference (CPP) followed by abstinence potentiated the excitatory input from the BLA and mPFC to both D1-MSNs→VP and pD2-MSNs→VP. Interestingly, while the strengthening of the inputs to D1-MSNs→VP was of postsynaptic origin and manifested as increased AMPA to NMDA ratio, in pD2-MSNs→VP plasticity was predominantly presynaptic and was detected as changes in the paired-pulse ratio and coefficient of variation. Lastly, some of the changes were sex-specific. Overall our data show that abstinence from cocaine changes the excitatory inputs to both D1-MSNs→VP and pD2-MSNs→VP but with different mechanisms. This may help understand how circuits converging into the VP change after cocaine exposure.
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Affiliation(s)
- Kineret Inbar
- grid.9619.70000 0004 1937 0538Department of Medical Neurobiology, Faculty of Medicine, The Institute for Medical Research Israel-Canada (IMRIC), The Hebrew University of Jerusalem, Jerusalem, 9112102 Israel
| | - Liran A. Levi
- grid.9619.70000 0004 1937 0538Department of Medical Neurobiology, Faculty of Medicine, The Institute for Medical Research Israel-Canada (IMRIC), The Hebrew University of Jerusalem, Jerusalem, 9112102 Israel
| | - Yonatan M. Kupchik
- grid.9619.70000 0004 1937 0538Department of Medical Neurobiology, Faculty of Medicine, The Institute for Medical Research Israel-Canada (IMRIC), The Hebrew University of Jerusalem, Jerusalem, 9112102 Israel
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Becker-Krail DD, Walker WH, Nelson RJ. The Ventral Tegmental Area and Nucleus Accumbens as Circadian Oscillators: Implications for Drug Abuse and Substance Use Disorders. Front Physiol 2022; 13:886704. [PMID: 35574492 PMCID: PMC9094703 DOI: 10.3389/fphys.2022.886704] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 04/04/2022] [Indexed: 12/15/2022] Open
Abstract
Circadian rhythms convergently evolved to allow for optimal synchronization of individuals’ physiological and behavioral processes with the Earth’s 24-h periodic cycling of environmental light and temperature. Whereas the suprachiasmatic nucleus (SCN) is considered the primary pacemaker of the mammalian circadian system, many extra-SCN oscillatory brain regions have been identified to not only exhibit sustainable rhythms in circadian molecular clock function, but also rhythms in overall region activity/function and mediated behaviors. In this review, we present the most recent evidence for the ventral tegmental area (VTA) and nucleus accumbens (NAc) to serve as extra-SCN oscillators and highlight studies that illustrate the functional significance of the VTA’s and NAc’s inherent circadian properties as they relate to reward-processing, drug abuse, and vulnerability to develop substance use disorders (SUDs).
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Affiliation(s)
- Darius D Becker-Krail
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - William H Walker
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
| | - Randy J Nelson
- Department of Neuroscience, Rockefeller Neuroscience Institute, West Virginia University, Morgantown, WV, United States
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Strickland JC, Stoops WW, Banks ML, Gipson CD. Logical fallacies and misinterpretations that hinder progress in translational addiction neuroscience. J Exp Anal Behav 2022; 117:384-403. [PMID: 35362559 PMCID: PMC9090969 DOI: 10.1002/jeab.757] [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: 09/23/2021] [Revised: 03/08/2022] [Accepted: 03/11/2022] [Indexed: 11/11/2022]
Abstract
Substance use disorders (SUDs) are heterogeneous and complex, making the development of translationally predictive rodent and nonhuman primate models to uncover their neurobehavioral underpinnings difficult. Neuroscience-focused outcomes have become highly prevalent, and with this, the notion that SUDs are disorders of the brain embraced as a dominant theoretical orientation to understand SUD etiology and treatment. These efforts, however, have led to few efficacious pharmacotherapies, and in some cases (as with cocaine or methamphetamine), no pharmacotherapies have translated from preclinical models for clinical use. In this theoretical commentary, we first describe the development of animal models of substance use behaviors from a historical perspective. We then define and discuss three logical fallacies including 1) circular explanation, 2) affirming the consequent, and 3) reification that can apply to developed models. We then provide three case examples in which conceptual or logical issues exist in common methods (i.e., behavioral economic demand, escalation, and reinstatement). Alternative strategies to refocus behavioral models are suggested for the field to better bridge the translational divide between animal models, the clinical condition of SUDs, and current and future regulatory pathways for intervention development.
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Affiliation(s)
- Justin C. Strickland
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine
| | | | - Matthew L. Banks
- Department of Pharmacology and Toxicology, Virginia Commonwealth University
| | - Cassandra D. Gipson
- Department of Pharmacology and Nutritional Sciences, University of Kentucky, Lexington
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Kuhn BN, Campus P, Klumpner MS, Chang SE, Iglesias AG, Flagel SB. Inhibition of a cortico-thalamic circuit attenuates cue-induced reinstatement of drug-seeking behavior in "relapse prone" male rats. Psychopharmacology (Berl) 2022; 239:1035-1051. [PMID: 34181035 DOI: 10.1007/s00213-021-05894-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 06/04/2021] [Indexed: 11/26/2022]
Abstract
RATIONALE Relapse often occurs when individuals are exposed to stimuli or cues previously associated with the drug-taking experience. The ability of drug cues to trigger relapse is believed to be a consequence of incentive salience attribution, a process by which the incentive value of reward is transferred to the reward-paired cue. Sign-tracker (ST) rats that attribute enhanced incentive value to reward cues are more prone to relapse compared to goal-tracker (GT) rats that primarily attribute predictive value to such cues. OBJECTIVES The neurobiological mechanisms underlying this individual variation in relapse propensity remains largely unexplored. The paraventricular nucleus of the thalamus (PVT) has been identified as a critical node in the regulation of cue-elicited behaviors in STs and GTs, including cue-induced reinstatement of drug-seeking behavior. Here we used a chemogenetic approach to assess whether "top-down" cortical input from the prelimbic cortex (PrL) to the PVT plays a role in mediating individual differences in relapse propensity. RESULTS Chemogenetic inhibition of the PrL-PVT pathway selectively decreased cue-induced reinstatement of drug-seeking behavior in STs, without affecting behavior in GTs. In contrast, cocaine-primed drug-seeking behavior was not affected in either phenotype. Furthermore, when rats were characterized based on a different behavioral phenotype-locomotor response to novelty-inhibition of the PrL-PVT pathway had no effect on either cue- or drug-induced reinstatement. CONCLUSIONS These results highlight an important role for the PrL-PVT pathway in vulnerability to relapse that is consequent to individual differences in the propensity to attribute incentive salience to discrete reward cues.
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Affiliation(s)
- Brittany N Kuhn
- Neuroscience Graduate Program, University of Michigan, 4137 Undergraduate Science Building, 204 Washtenaw Avenue, Ann Arbor, MI, 48109, USA
| | - Paolo Campus
- Michigan Neuroscience Institute, University of Michigan, 205 Zina Pitcher Place, Ann Arbor, MI, 48109, USA
| | - Marin S Klumpner
- Michigan Neuroscience Institute, University of Michigan, 205 Zina Pitcher Place, Ann Arbor, MI, 48109, USA
| | - Stephen E Chang
- Michigan Neuroscience Institute, University of Michigan, 205 Zina Pitcher Place, Ann Arbor, MI, 48109, USA
| | - Amanda G Iglesias
- Neuroscience Graduate Program, University of Michigan, 4137 Undergraduate Science Building, 204 Washtenaw Avenue, Ann Arbor, MI, 48109, USA
| | - Shelly B Flagel
- Neuroscience Graduate Program, University of Michigan, 4137 Undergraduate Science Building, 204 Washtenaw Avenue, Ann Arbor, MI, 48109, USA.
- Michigan Neuroscience Institute, University of Michigan, 205 Zina Pitcher Place, Ann Arbor, MI, 48109, USA.
- Department of Psychiatry, University of Michigan, 4250 Plymouth Road, Ann Arbor, MI, 48105, USA.
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Olsen CM, Corrigan JD. Does Traumatic Brain Injury Cause Risky Substance Use or Substance Use Disorder? Biol Psychiatry 2022; 91:421-437. [PMID: 34561027 PMCID: PMC8776913 DOI: 10.1016/j.biopsych.2021.07.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 06/07/2021] [Accepted: 07/12/2021] [Indexed: 01/22/2023]
Abstract
There is a high co-occurrence of risky substance use among adults with traumatic brain injury (TBI), although it is unknown if the neurologic sequelae of TBI can promote this behavior. We propose that to conclude that TBI can cause risky substance use, it must be determined that TBI precedes risky substance use, that confounders with the potential to increase the likelihood of both TBI and risky substance use must be ruled out, and that there must be a plausible mechanism of action. In this review, we address these factors by providing an overview of key clinical and preclinical studies and list plausible mechanisms by which TBI could increase risky substance use. Human and animal studies have identified an association between TBI and risky substance use, although the strength of this association varies. Factors that may limit detection of this relationship include differential variability due to substance, sex, age of injury, and confounders that may influence the likelihood of both TBI and risky substance use. We propose possible mechanisms by which TBI could increase substance use that include damage-associated neuroplasticity, chronic changes in neuroimmune signaling, and TBI-associated alterations in brain networks.
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Affiliation(s)
- Christopher M Olsen
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, Wisconsin; Neuroscience Research Center, Medical College of Wisconsin, Milwaukee, Wisconsin; Department of Neurosurgery, Medical College of Wisconsin, Milwaukee, Wisconsin.
| | - John D Corrigan
- Department of Physical Medicine & Rehabilitation, Wexner Medical Center, The Ohio State University, Columbus, Ohio
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Siemsen BM, Barry SM, Vollmer KM, Green LM, Brock AG, Westphal AM, King RA, DeVries DM, Otis JM, Cowan CW, Scofield MD. A Subset of Nucleus Accumbens Neurons Receiving Dense and Functional Prelimbic Cortical Input Are Required for Cocaine Seeking. Front Cell Neurosci 2022; 16:844243. [PMID: 35281297 PMCID: PMC8907444 DOI: 10.3389/fncel.2022.844243] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Accepted: 02/02/2022] [Indexed: 11/24/2022] Open
Abstract
Background Prelimbic cortical projections to the nucleus accumbens core are critical for cue-induced cocaine seeking, but the identity of the accumbens neuron(s) targeted by this projection, and the transient neuroadaptations contributing to relapse within these cells, remain unknown. Methods Male Sprague-Dawley rats underwent cocaine or sucrose self-administration, extinction, and cue-induced reinstatement. Pathway-specific chemogenetics, patch-clamp electrophysiology, in vivo electrochemistry, and high-resolution confocal microscopy were used to identify and characterize a small population of nucleus accumbens core neurons that receive dense prelimbic cortical input to determine their role in regulating cue-induced cocaine and natural reward seeking. Results Chemogenetic inhibition of prelimbic cortical projections to the nucleus accumbens core suppressed cue-induced cocaine relapse and normalized real-time cue-evoked increases in accumbens glutamate release to that of sucrose seeking animals. Furthermore, chemogenetic inhibition of the population of nucleus accumbens core neurons receiving the densest prelimbic cortical input suppressed cocaine, but not sucrose seeking. These neurons also underwent morphological plasticity during the peak of cocaine seeking in the form of dendritic spine expansion and increased ensheathment by astroglial processes at large spines. Conclusion We identified and characterized a unique subpopulation of nucleus accumbens neurons that receive dense prelimbic cortical input. The functional specificity of this subpopulation is underscored by their ability to mediate cue-induced cocaine relapse, but not sucrose seeking. This subset of cells represents a novel target for addiction therapeutics revealed by anterograde targeting to interrogate functional circuits imbedded within a known network.
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Affiliation(s)
- Benjamin M. Siemsen
- Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Sarah M. Barry
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
| | - Kelsey M. Vollmer
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
| | - Lisa M. Green
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
| | - Ashley G. Brock
- Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Annaka M. Westphal
- Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Raven A. King
- Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston, SC, United States
| | - Derek M. DeVries
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
| | - James M. Otis
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
| | - Christopher W. Cowan
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
| | - Michael D. Scofield
- Department of Anesthesia and Perioperative Medicine, Medical University of South Carolina, Charleston, SC, United States
- Department of Neuroscience, Medical University of South Carolina, Charleston, SC, United States
- *Correspondence: Michael D. Scofield,
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Julião M, Lemos-Caldas M, Ulrich J, Ferreira T, Calaveiras P, Costa E, Sobral MA, Bruera E. The Use of Olanzapine for Nonmedical Opioid Use in a Patient with Cancer Receiving Palliative Care. J Palliat Med 2022; 25:181-183. [PMID: 35119952 DOI: 10.1089/jpm.2021.0569] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Miguel Julião
- Equipa Comunitária de Suporte em Cuidados Paliativos de Sintra, Rio de Mouro, Portugal
| | | | - João Ulrich
- Serviço de Radioterapia-Centro Hospitalar Universitário Lisboa Norte, Lisboa, Portugal
| | - Tiago Ferreira
- Departamento de Saúde Mental-Hospital Prof. Doutor Fernando da Fonseca EPE, Amadora, Portugal
| | - Patrícia Calaveiras
- Equipa Comunitária de Suporte em Cuidados Paliativos de Sintra, Rio de Mouro, Portugal
| | - Elisabeth Costa
- Equipa Comunitária de Suporte em Cuidados Paliativos de Sintra, Rio de Mouro, Portugal
| | - Maria Ana Sobral
- Equipa Comunitária de Suporte em Cuidados Paliativos de Sintra, Rio de Mouro, Portugal
| | - Eduardo Bruera
- Department of Palliative, Rehabilitation and Integrative Medicine, University of Texas MD Anderson Cancer Center, Houston, Texas, USA
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The particularity of freedom and recovery from addiction in practice: On the therapeutic limitations of generalising addiction science. THE INTERNATIONAL JOURNAL OF DRUG POLICY 2022; 107:103609. [DOI: 10.1016/j.drugpo.2022.103609] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 01/15/2022] [Accepted: 01/23/2022] [Indexed: 11/23/2022]
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The effect of self-administered methamphetamine on GABAergic interneuron populations and functional connectivity of the nucleus accumbens and prefrontal cortex. Psychopharmacology (Berl) 2022; 239:2903-2919. [PMID: 35920922 PMCID: PMC9385811 DOI: 10.1007/s00213-022-06175-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2021] [Accepted: 06/08/2022] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Methamphetamine (METH, "ice") is a potent and addictive psychostimulant. Abuse of METH perturbs neurotransmitter systems and induces neurotoxicity; however, the neurobiological mechanisms which underlie addiction to METH are not fully understood, limiting the efficacy of available treatments. Here we investigate METH-induced changes to neuronal nitric oxide synthase (nNOS), parvalbumin and calretinin-expressing GABAergic interneuron populations within the nucleus accumbens (NAc), prefrontal cortex (PFC) and orbitofrontal cortex (OFC). We hypothesise that dysfunction or loss of these GABAergic interneuron populations may disrupt the excitatory/inhibitory balance within the brain. METHODS Male Long Evans rats (N = 32) were trained to lever press for intravenous METH or received yoked saline infusions. Following 14 days of behavioural extinction, animals were given a non-contingent injection of saline or METH (1 mg/kg, IP) to examine drug-primed reinstatement to METH-seeking behaviours. Ninety minutes post-IP injection, animals were culled and brain sections were analysed for Fos, nNOS, parvalbumin and calretinin immunoreactivity in eight distinct subregions of the NAc, PFC and OFC. RESULTS METH exposure differentially affected GABAergic populations, with METH self-administration increasing nNOS immunoreactivity at distinct locations in the prelimbic cortex and decreasing parvalbumin immunoreactivity in the NAc. METH self-administration triggered reduced calretinin immunoreactivity, whilst acute METH administration produced a significant increase in calretinin immunoreactivity. As expected, non-contingent METH-priming treatment increased Fos immunoreactivity in subregions of the NAc and PFC. CONCLUSION Here we report that METH exposure in this model may alter the function of GABAergic interneurons in more subtle ways, such as alterations in neuronal firing or synaptic connectivity.
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Electrophysiological and behavioral correlates of cannabis use disorder. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2022; 22:1421-1431. [PMID: 35698004 PMCID: PMC9622528 DOI: 10.3758/s13415-022-01016-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 05/20/2022] [Indexed: 01/27/2023]
Abstract
Current research indicates deficits in cognitive function together with widespread changes in brain activity following long-term cannabis use. In particular, cannabis use has been associated with excessive spectral power of the alpha rhythm (8-12 Hz), which is also known to be modulated during attentional states. Recent neuroimaging studies have linked heavy cannabis use with structural and metabolic changes in the brain; however, the functional consequences of these changes are still not fully characterized. This study investigated the electrophysiological and behavioral correlates of cannabis dependence by comparing patients with a cannabis use disorder (CUD; N = 24) with cannabis nonuser controls (N = 24), using resting state electroencephalogram (EEG) source-imaging. In addition to evaluating mean differences between groups, we also explored whether particular EEG patterns were associated with individual cognitive-behavioral measures. First, we replicated historical findings of elevated levels of (relative) alpha rhythm in CUD patients compared with controls and located these abnormalities to mainly prefrontal cortical regions. Importantly, we observed a significant negative correlation between alpha spectral power in several cortical regions and individual attentional performance in the Go/NoGo task. Because such relationship was absent in the nonuser control group, our results suggest that reduced prefrontal cortical activation (indexed by increased relative alpha power) could be partly responsible for the reported cognitive impairments in CUD. Our findings support the use of electroencephalography as a noninvasive and cost-effective tool for biomarker discovery in substance abuse and have the potential of directly informing future intervention strategies.
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Karam CS, Williams BL, Morozova I, Yuan Q, Panarsky R, Zhang Y, Hodgkinson CA, Goldman D, Kalachikov S, Javitch JA. Functional Genomic Analysis of Amphetamine Sensitivity in Drosophila. Front Psychiatry 2022; 13:831597. [PMID: 35250674 PMCID: PMC8894854 DOI: 10.3389/fpsyt.2022.831597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 01/24/2022] [Indexed: 11/14/2022] Open
Abstract
Abuse of psychostimulants, including amphetamines (AMPHs), is a major public health problem with profound psychiatric, medical, and psychosocial complications. The actions of these drugs at the dopamine transporter (DAT) play a critical role in their therapeutic efficacy as well as their liability for abuse and dependence. To date, however, the mechanisms that mediate these actions are not well-understood, and therapeutic interventions for AMPH abuse have been limited. Drug exposure can induce broad changes in gene expression that can contribute to neuroplasticity and effect long-lasting changes in neuronal function. Identifying genes and gene pathways perturbed by drug exposure is essential to our understanding of the molecular basis of drug addiction. In this study, we used Drosophila as a model to examine AMPH-induced transcriptional changes that are DAT-dependent, as those would be the most relevant to the stimulatory effects of the drug. Using this approach, we found genes involved in the control of mRNA translation to be significantly upregulated in response to AMPH in a DAT-dependent manner. To further prioritize genes for validation, we explored functional convergence between these genes and genes we identified in a genome-wide association study of AMPH sensitivity using the Drosophila Genetic Reference Panel. We validated a number of these genes by showing that they act specifically in dopamine neurons to mediate the behavioral effects of AMPH. Taken together, our data establish Drosophila as a powerful model that enables the integration of behavioral, genomic and transcriptomic data, followed by rapid gene validation, to investigate the molecular underpinnings of psychostimulant action.
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Affiliation(s)
- Caline S Karam
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States.,Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY, United States
| | - Brenna L Williams
- Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY, United States
| | - Irina Morozova
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, United States.,Department of Chemical Engineering, Columbia University, New York, NY, United States
| | - Qiaoping Yuan
- Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Rony Panarsky
- Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Yuchao Zhang
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States.,Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY, United States
| | - Colin A Hodgkinson
- Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - David Goldman
- Laboratory of Neurogenetics, National Institute on Alcohol Abuse and Alcoholism, Bethesda, MD, United States
| | - Sergey Kalachikov
- Center for Genome Technology and Biomolecular Engineering, Columbia University, New York, NY, United States.,Department of Chemical Engineering, Columbia University, New York, NY, United States
| | - Jonathan A Javitch
- Department of Psychiatry, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States.,Division of Molecular Therapeutics, New York State Psychiatric Institute, New York, NY, United States.,Department of Molecular Pharmacology and Therapeutics, Columbia University Vagelos College of Physicians and Surgeons, New York, NY, United States
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Wang F, Shen W, Cai Y, Zhang X, Du H, Lai M, Liu H, Kohli E, Zhou W. Buprenorphine reduces methamphetamine intake and drug seeking behavior via activating nociceptin/orphanin FQ peptide receptor in rats. Front Psychiatry 2022; 13:983595. [PMID: 36276332 PMCID: PMC9583165 DOI: 10.3389/fpsyt.2022.983595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 09/20/2022] [Indexed: 11/16/2022] Open
Abstract
Buprenorphine, which has been approved for the treatment of opioid dependence, reduces cocaine consumption by co-activating μ-opioid receptors and nociceptin/orphanin FQ peptide (NOP) receptors. However, the role of buprenorphine in methamphetamine (METH) reinforcement and drug-seeking behavior remains unclear. This study investigated the effects of buprenorphine on METH self-administration and reinstatement of METH-seeking behavior in rats. We found that buprenorphine pretreatment had an inhibitory effect on METH self-administration behavior, and that buprenorphine at a dose of 0.3 mg/kg could inhibit motivation to respond for METH. Pretreatment with the NOP receptor antagonist thienorphine (0.5 mg/kg) or SB-612111 (1 mg/kg) could reverse the inhibitory effect of buprenorphine (0.1 mg/kg) on the METH self-administration. Moreover, treatment with buprenorphine (0.1 mg/kg and 0.3 mg/kg) significantly reduced the drug-seeking behavior induced by context or by METH priming but failed to reduce the drug-seeking behavior induced by conditional cues. Additionally, the NOP receptor antagonist SB-612111 reversed the inhibitory action of buprenorphine on the drug-seeking behavior induced by METH priming. The results demonstrated that buprenorphine reduced either METH intake or the drug-seeking behavior by activating NOP receptors, providing empirical evidence for the clinical use of buprenorphine in the treatment of METH relapse and addiction.
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Affiliation(s)
- Fangmin Wang
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China.,UMR INSERM/uB/AGROSUP 1231, Team 3 HSP-Pathies, Labellisée Ligue Nationale Contre Le, Cancer and Laboratoire d'Excellence LipSTIC, Dijon, France.,UFR des Sciences de Santé, Université de Bourgogne, Dijon, France
| | - Wenwen Shen
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China
| | - Yujia Cai
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China
| | - Xin Zhang
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China
| | - Han Du
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China
| | - Miaojun Lai
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China
| | - Huifen Liu
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China
| | - Evelyne Kohli
- UMR INSERM/uB/AGROSUP 1231, Team 3 HSP-Pathies, Labellisée Ligue Nationale Contre Le, Cancer and Laboratoire d'Excellence LipSTIC, Dijon, France.,UFR des Sciences de Santé, Université de Bourgogne, Dijon, France
| | - Wenhua Zhou
- Zhejiang Provincial Key Lab of Addiction, Ningbo Kangning Hospital, School of Medicine, Ningbo University, Ningbo, China
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Effects of heroin self-administration and forced withdrawal on the expression of genes related to the mTOR network in the basolateral complex of the amygdala of male Lewis rats. Psychopharmacology (Berl) 2022; 239:2559-2571. [PMID: 35467104 PMCID: PMC9293846 DOI: 10.1007/s00213-022-06144-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Accepted: 04/11/2022] [Indexed: 10/26/2022]
Abstract
RATIONALE The development of substance use disorders involves long-lasting adaptations in specific brain areas that result in an elevated risk of relapse. Some of these adaptations are regulated by the mTOR network, a signalling system that integrates extracellular and intracellular stimuli and modulates several processes related to plasticity. While the role of the mTOR network in cocaine- and alcohol-related disorders is well established, little is known about its participation in opiate use disorders. OBJECTIVES To use a heroin self-administration and a withdrawal protocol that induce incubation of heroin-seeking in male rats and study the associated effects on the expression of several genes related to the mTOR system and, in the specific case of Rictor, its respective translated protein and phosphorylation. RESULTS We found that heroin self-administration elicited an increase in the expression of the genes Igf1r, Igf2r, Akt2 and Gsk3a in the basolateral complex of the amygdala, which was not as evident at 30 days of withdrawal. We also found an increase in the expression of Rictor (a protein of the mTOR complex 2) after heroin self-administration compared to the saline group, which was occluded at the 30-day withdrawal period. The activation levels of Rictor, measured by the phosphorylation rate, were also reduced after heroin self-administration, an effect that seemed more apparent in the protracted withdrawal group. CONCLUSIONS These results suggest that heroin self-administration under extended access conditions modifies the expression profile of activators and components of the mTOR complexes and show a putative irresponsive mTOR complex 2 after withdrawal from heroin use.
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Hatch HD, Hatch SG, Henderson E, Deichman C, Johnson D, Esplin C, Halstead A, Braithwaite S. Examining the Problematic Pornography Use Model: A Quantitative Exploration of Dysregulated Pornography Use. J Sex Med 2022; 19:132-143. [PMID: 34872843 DOI: 10.1016/j.jsxm.2021.11.001] [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: 04/22/2021] [Revised: 11/02/2021] [Accepted: 11/04/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Questions concerning problematic pornography consumption have been widely discussed, but longitudinal data examining the relationships implicated by problematic pornography use models are rare. To date, two models have been proposed that have sought to elucidate the causal mechanisms involved in a problematic pornography use model, the I-PACE model and the Pornography Problems Due to Moral Incongruence Model. AIM We sought to clarify this issue by investigating the prospective association between variables integral to previously proposed addiction models. METHODS Using a longitudinal TurkPrime.com sample (N = 317), and a newly developed measure of pornography consumption, we asked participants to answer questions related to their pornography usage, their distress levels, and individual differences over a six-month time frame during 2017. MAIN OUTCOME Pornography consumption only led to distress when an individual possessed certain individual differences. Moreover, there was no evidence that pornography use mediated or suppressed the relationship between pornography consumption and distress. RESULTS Using a series of mediation/suppression models, we found evidence to support the structure of existing theoretical models; specifically, pornography consumption amplifies the relationship between individual differences (ie, sexual compulsivity and sexual sensation seeking) and distress (ie, depression and sexual esteem) over a six-month time period. However, we failed to observe an association between pornography consumption and distress when sexual compulsivity and sexual sensation seeking were left unaccounted for within the model, suggesting pornography use likely only results in distress in those with certain individual differences. Moreover, there was no evidence that perceptions of problematic pornography use suppressed or mediated the relationship between pornography consumption and distress. CLINICAL IMPLICATIONS These findings suggest that targeting specific individual differences -a la Acceptance and Commitment Therapy-rather than pornography consumption attitudes may be a more effective strategy to reduce problematic pornography use. STRENGTHS & LIMITATIONS One strength of the current study was that we were able to corroborate previously hypothesized models of problematic pornography consumption. Furthermore, this was done using a newly designed measurement of pornography consumption. However, the study was not without some shortcoming. We were unable to test the pornography problems due to moral incongruence arm of the study, something that previous research has indicated may lead to distress. CONCLUSION This paper sought to empirically examine models investigating problematic pornography use. Our findings indicate that pornography consumption will only lead to certain sorts of distress in the presence of specific individual differences ie, sexual compulsivity and sexual sensation seeking.
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Affiliation(s)
- H Dorian Hatch
- The Ohio State University, Psychology Department, , OH, USA
| | - S Gabe Hatch
- University of Miami, Psychology Department, , FL, USA
| | - Elana Henderson
- Brigham Young University, Psychology Department, Provo, UT, USA
| | - Conner Deichman
- Brigham Young University, Psychology Department, Provo, UT, USA
| | - Dara Johnson
- Brigham Young University, Psychology Department, Provo, UT, USA
| | | | - Aeriel Halstead
- Brigham Young University, Psychology Department, Provo, UT, USA
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Rivera A, Suárez-Boomgaard D, Miguelez C, Valderrama-Carvajal A, Baufreton J, Shumilov K, Taupignon A, Gago B, Real MÁ. Dopamine D 4 Receptor Is a Regulator of Morphine-Induced Plasticity in the Rat Dorsal Striatum. Cells 2021; 11:31. [PMID: 35011592 PMCID: PMC8750869 DOI: 10.3390/cells11010031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/16/2021] [Accepted: 12/21/2021] [Indexed: 02/06/2023] Open
Abstract
Long-term exposition to morphine elicits structural and synaptic plasticity in reward-related regions of the brain, playing a critical role in addiction. However, morphine-induced neuroadaptations in the dorsal striatum have been poorly studied despite its key function in drug-related habit learning. Here, we show that prolonged treatment with morphine triggered the retraction of the dendritic arbor and the loss of dendritic spines in the dorsal striatal projection neurons (MSNs). In an attempt to extend previous findings, we also explored whether the dopamine D4 receptor (D4R) could modulate striatal morphine-induced plasticity. The combined treatment of morphine with the D4R agonist PD168,077 produced an expansion of the MSNs dendritic arbors and restored dendritic spine density. At the electrophysiological level, PD168,077 in combination with morphine altered the electrical properties of the MSNs and decreased their excitability. Finally, results from the sustantia nigra showed that PD168,077 counteracted morphine-induced upregulation of μ opioid receptors (MOR) in striatonigral projections and downregulation of G protein-gated inward rectifier K+ channels (GIRK1 and GIRK2) in dopaminergic cells. The present results highlight the key function of D4R modulating morphine-induced plasticity in the dorsal striatum. Thus, D4R could represent a valuable pharmacological target for the safety use of morphine in pain management.
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Affiliation(s)
- Alicia Rivera
- Facultad de Ciencias, Instituto de Investigación Biomédica, Universidad de Málaga, 29071 Málaga, Spain; (D.S.-B.); (A.V.-C.); (K.S.); (M.Á.R.)
| | - Diana Suárez-Boomgaard
- Facultad de Ciencias, Instituto de Investigación Biomédica, Universidad de Málaga, 29071 Málaga, Spain; (D.S.-B.); (A.V.-C.); (K.S.); (M.Á.R.)
| | - Cristina Miguelez
- Department of Pharmacology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Alejandra Valderrama-Carvajal
- Facultad de Ciencias, Instituto de Investigación Biomédica, Universidad de Málaga, 29071 Málaga, Spain; (D.S.-B.); (A.V.-C.); (K.S.); (M.Á.R.)
| | - Jérôme Baufreton
- Institut des Maladies Neurodegeneratives, Université de Bordeaux, UMR 5293, 33000 Bordeaux, France; (J.B.); (A.T.)
- Institut des Maladies Neurodegeneratives, CNRS, UMR 5293, 33000 Bordeaux, France
| | - Kirill Shumilov
- Facultad de Ciencias, Instituto de Investigación Biomédica, Universidad de Málaga, 29071 Málaga, Spain; (D.S.-B.); (A.V.-C.); (K.S.); (M.Á.R.)
- School of Medicine, Washington University in St. Louis, St. Louis, MO 63110, USA
| | - Anne Taupignon
- Institut des Maladies Neurodegeneratives, Université de Bordeaux, UMR 5293, 33000 Bordeaux, France; (J.B.); (A.T.)
- Institut des Maladies Neurodegeneratives, CNRS, UMR 5293, 33000 Bordeaux, France
| | - Belén Gago
- Facultad de Medicina, Instituto de Investigación Biomédica, Universidad de Málaga, 29071 Málaga, Spain;
| | - M. Ángeles Real
- Facultad de Ciencias, Instituto de Investigación Biomédica, Universidad de Málaga, 29071 Málaga, Spain; (D.S.-B.); (A.V.-C.); (K.S.); (M.Á.R.)
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Czarnecki D, Ziółkowski M, Chodkiewicz J, Długosz A, Feldheim J, Waszkiewicz N, Kułak-Bejda A, Gorzkiewicz M, Budzyński J, Junkiert-Czarnecka A, Siomek-Górecka A, Nicpoń K, Kawala-Sterniuk A, Ferri R, Pelc M, Walecki P, Laskowska E, Gorzelańczyk EJ. Initial Study on COMT and DRD2 Gene Polymorphisms as Well as the Influence of Temperament and Character Trait on the Severity of Alcohol Craving in Alcohol-Dependent Patients. J Clin Med 2021; 10:jcm10245892. [PMID: 34945190 PMCID: PMC8704345 DOI: 10.3390/jcm10245892] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/07/2021] [Accepted: 12/12/2021] [Indexed: 12/31/2022] Open
Abstract
The main aim of this work was to determine the impact of COMT and DRD2 gene polymorphisms together with temperament and character traits on alcohol craving severity alcohol-dependent persons. The sample comprised of 89 men and 16 women (aged 38±7). For the sake of psychological assessment various analytic methods have been applied like the Short Alcohol Dependence Data Questionnaire (SADD), Penn Alcohol Craving Scale (PACS) or Temperament and Character Inventory (TCI) test. The SNP polymorphism of the analyzed genes was determined by Real Time PCR test. The results showed, that the COMT polymorphismmay have an indirected relationship with the intensity and changes in alcohol craving during abstinence. The DRD2 receptor gene polymorphisms are related with the intensity of alcohol craving. It seems that the character traits like “self-targeting”, including “self-acceptance”, are more closely related to the severity of alcohol craving and polymorphic changes in the DRD2 receptor than temperamental traits. Although this is a pilot study the obtained results appeared to be promising and clearly indicate the link betweengene polymorphisms alcohol craving and its severity.
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Affiliation(s)
- Damian Czarnecki
- Department of Preventive Nursing, Collegium Medicum, Nicolaus Copernicus University, Torun, ul. Ignacego Łukasiewicza 1, 85-821 Bydgoszcz, Poland; (M.Z.); (K.N.)
- Correspondence: (D.C.); (A.K.-S.)
| | - Marcin Ziółkowski
- Department of Preventive Nursing, Collegium Medicum, Nicolaus Copernicus University, Torun, ul. Ignacego Łukasiewicza 1, 85-821 Bydgoszcz, Poland; (M.Z.); (K.N.)
| | - Jan Chodkiewicz
- Institute of Psychology, Department of Clinical Psychology and Psychopathology, University of Lodz, ul. Smugowa 10/12, 91-433 Łódź, Poland;
| | - Anna Długosz
- Faculty of Chemical Technology and Engineering, University of Science and Technology, ul. Seminaryjna 3, 85-326 Bydgoszcz, Poland; (A.D.); (J.F.)
| | - Joanna Feldheim
- Faculty of Chemical Technology and Engineering, University of Science and Technology, ul. Seminaryjna 3, 85-326 Bydgoszcz, Poland; (A.D.); (J.F.)
| | - Napoleon Waszkiewicz
- Department of Psychiatry, Medical University of Białystok, pl. Brodowicza 1, 16-070 Choroszcz, Poland; (N.W.); (A.K.-B.)
| | - Agnieszka Kułak-Bejda
- Department of Psychiatry, Medical University of Białystok, pl. Brodowicza 1, 16-070 Choroszcz, Poland; (N.W.); (A.K.-B.)
| | - Marta Gorzkiewicz
- Department of Molecular Genetics and Justice, Collegium Medicum, Nicolaus Copernicus University, Torun, ul. Marii Skłodowskiej-Curie 9, 85-094 Bydgoszcz, Poland;
| | - Jacek Budzyński
- Department of Vascular and Internal Diseases, Nicolaus Copernicus University, Torun, ul. Ujejskiego 75, 85-168 Bydgoszcz, Poland;
| | - Anna Junkiert-Czarnecka
- Department of Clinical Genetics, Nicolaus Copernicus University, Torun, ul. Marii Skłodowskiej-Curie 9, 85-094 Bydgoszcz, Poland;
| | - Agnieszka Siomek-Górecka
- Department of Clinical Biochemistry, Collegium Medicum, Nicolaus Copernicus University, Torun, ul. Karłowicza 24, 85-092 Bydgoszcz, Poland;
| | - Krzysztof Nicpoń
- Department of Preventive Nursing, Collegium Medicum, Nicolaus Copernicus University, Torun, ul. Ignacego Łukasiewicza 1, 85-821 Bydgoszcz, Poland; (M.Z.); (K.N.)
| | - Aleksandra Kawala-Sterniuk
- Faculty of Electrical Engineering, Automatic Control and Informatics, Opole University of Technology, ul. Prószkowska 76, 45-758 Opole, Poland;
- Correspondence: (D.C.); (A.K.-S.)
| | - Raffaele Ferri
- Oasi Research Institute IRCCS, Via C. Ruggero, 73, 94018 Troina, Italy;
| | - Mariusz Pelc
- Faculty of Electrical Engineering, Automatic Control and Informatics, Opole University of Technology, ul. Prószkowska 76, 45-758 Opole, Poland;
- School of Computing and Mathematical Sciences, University of Greenwich, London SE10 9LS, UK
| | - Piotr Walecki
- Department of Bioinformatics and Telemedicine, Collegium Medicum, Jagiellonian University, ul. Medyczna 7, 30-688 Krakow, Poland;
| | - Ewa Laskowska
- Faculty of Medicine, Collegium Medicum, Nicolaus Copernicus University, Torun, ul. Jagiellońska 15, 85-067 Bydgoszcz, Poland;
| | - Edward Jacek Gorzelańczyk
- Department of Theoretical Basis of BioMedical Sciences and Medical Informatics, Collegium Medicum, Nicolaus Copernicus University, ul. Jagiellońska 15, 85-067 Bydgoszcz, Poland;
- Institute of Philosophy, Kazimierz Wielki University, ul. Ogińskiego 16, 85-092 Bydgoszcz, Poland
- Babinski Specialist Psychiatric Healthcare Center, Outpatient Addiction Treatment, ul. Aleksandrowska 159, 91-229 Łódź, Poland
- The Society for the Substitution Treatment of Addiction “Medically Assisted Recovery”, ul. Rzeźniackiego 1D, 85-791 Bydgoszcz, Poland
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Alizadehgoradel J, Imani S, Nejati V, Vanderhasselt MA, Molaei B, Salehinejad MA, Ahmadi S, Taherifard M. Improved Executive Functions and Reduced Craving in Youths with Methamphetamine Addiction: Evidence from Combined Transcranial Direct Current Stimulation with Mindfulness Treatment. CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE 2021; 19:653-668. [PMID: 34690120 PMCID: PMC8553531 DOI: 10.9758/cpn.2021.19.4.653] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 10/26/2020] [Accepted: 11/01/2020] [Indexed: 11/18/2022]
Abstract
Objective Transcranial direct current stimulation (tDCS) and mindfulness practices have been proposed as a potential approach to improve executive functions (EFs) and reduce craving in persons with substance use disorders. Based on the neural mechanisms of action of each of these interventions, the combination of both non-pharmacological interventions might have additive effects. In the current study, the effects of tDCS combined with mindfulness-based substance abuse treatment (MBSAT) to improve EFs and reduce craving were investigated in early abstinent methamphetamine abuse. Methods Eighty (youths aged between 18 and 21) early-abstinent methamphetamine users were randomly assigned to the research groups (tDCS group [n = 20], mindfulness group [n = 20], combined mindfulness-tDCS group [n = 20], and sham group [n = 20]). Active tDCS (1.5 mA,20 min, 12 sessions) or sham tDCS was appliedover the left dorsolateral prefrontal cortex and the MBSAT protocol was used over twelve 50-min sessions. Results Both in the post-test phase (immediately after the intervention) and follow-up phase (one month after the intervention), performance in most EFs tasks significantly improved in the combination group which received real tDCS + MBSAT, as compared to baseline values and sham stimulation group. Similarly, a significant reduction in craving was observed after intervention inall treatment groups, but not the sham stimulation group. Interestingly, the increase in EFs and the reduction in craving post versus pre tDCS + MBSAT intervention were correlated. Conclusion Findings from the current study provide initial support for the clinical effectiveness of combination tDCS + MBSAT, possibly influencing cognitive/affective processes.
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Affiliation(s)
- Jaber Alizadehgoradel
- Department of Clinical and Health Psychology, Shahid Beheshti University, Tehran, Iran
| | - Saeed Imani
- Department of Clinical and Health Psychology & Counseling Group, Shahid Beheshti University, Tehran, Iran
| | - Vahid Nejati
- Department of Clinical and Health Psychology, Faculty of Education & Psychology, Shahid Beheshti University, Tehran, Iran
| | - Marie-Anne Vanderhasselt
- Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium.,Department of Head and Skin, Psychiatry and Medical Psychology, Ghent University Hospital, Ghent, Belgium
| | - Behnam Molaei
- Department of Psychiatry, Faculty of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Mohammad Ali Salehinejad
- Department of Psychology and Neurosciences, Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany.,Ruhr-University Bochum, International Graduate School of Neuroscience, Bochum, Germany
| | - Shirin Ahmadi
- Department of Psychology, Mohaghegh-Ardabili University, Ardabil, Iran
| | - Mina Taherifard
- Department of Psychology, Mohaghegh-Ardabili University, Ardabil, Iran
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50
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Hill-Bowen LD, Riedel MC, Poudel R, Salo T, Flannery JS, Camilleri JA, Eickhoff SB, Laird AR, Sutherland MT. The cue-reactivity paradigm: An ensemble of networks driving attention and cognition when viewing drug and natural reward-related stimuli. Neurosci Biobehav Rev 2021; 130:201-213. [PMID: 34400176 PMCID: PMC8511211 DOI: 10.1016/j.neubiorev.2021.08.010] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 07/02/2021] [Accepted: 08/09/2021] [Indexed: 11/30/2022]
Abstract
The cue-reactivity paradigm is a widely adopted neuroimaging probe engendering brain activity linked with attentional, affective, and reward processes following presentation of appetitive stimuli. Given the multiple mental operations invoked, we sought to decompose cue-related brain activity into constituent components employing emergent meta-analytic techniques when considering drug and natural reward-related cues. We conducted coordinate-based meta-analyses delineating common and distinct brain activity convergence across cue-reactivity studies (N = 196 articles) involving drug (n = 133) or natural (n = 63) visual stimuli. Across all studies, convergence was observed in limbic, cingulate, insula, and fronto-parieto-occipital regions. Drug-distinct convergence was observed in posterior cingulate, dorsolateral prefrontal, and temporo-parietal regions, whereas distinct-natural convergence was observed in thalamic, insular, orbitofrontal, and occipital regions. We characterized connectivity profiles of identified regions by leveraging task-independent and task-dependent MRI datasets, grouped these profiles into subnetworks, and linked each with putative mental operations. Outcomes suggest multifaceted brain activity during cue-reactivity can be decomposed into elemental processes and indicate that while drugs of abuse usurp the brain's natural-reward-processing system, some regions appear distinct to drug cue-reactivity.
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Affiliation(s)
- Lauren D Hill-Bowen
- Department of Psychology, Florida International University, 11200 SW 8(th)Street, Miami, FL, 33199, United States
| | - Michael C Riedel
- Department of Physics, Florida International University, 11200 SW 8(th)Street, Miami, FL, 33199, United States
| | - Ranjita Poudel
- Department of Psychology, Florida International University, 11200 SW 8(th)Street, Miami, FL, 33199, United States
| | - Taylor Salo
- Department of Psychology, Florida International University, 11200 SW 8(th)Street, Miami, FL, 33199, United States
| | - Jessica S Flannery
- Department of Psychology, Florida International University, 11200 SW 8(th)Street, Miami, FL, 33199, United States
| | - Julia A Camilleri
- Institute of Neuroscience and Medicine, Brain & Behaviour (INM-7), Research Centre Jülich, 52425, Jülich, Germany; Institute of Systems Neuroscience, Medical Faculty, Heinrich Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Simon B Eickhoff
- Institute of Neuroscience and Medicine, Brain & Behaviour (INM-7), Research Centre Jülich, 52425, Jülich, Germany; Institute of Systems Neuroscience, Medical Faculty, Heinrich Heine University Düsseldorf, 40225, Düsseldorf, Germany
| | - Angela R Laird
- Department of Physics, Florida International University, 11200 SW 8(th)Street, Miami, FL, 33199, United States
| | - Matthew T Sutherland
- Department of Psychology, Florida International University, 11200 SW 8(th)Street, Miami, FL, 33199, United States.
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