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Donlon J, Kumari P, Varghese SP, Bai M, Florentin OD, Frost ED, Banks J, Vadlapatla N, Kam O, Shad MU, Rahman S, Abulseoud OA, Stone TW, Koola MM. Integrative Pharmacology in the Treatment of Substance Use Disorders. J Dual Diagn 2024; 20:132-177. [PMID: 38117676 DOI: 10.1080/15504263.2023.2293854] [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] [Indexed: 12/22/2023]
Abstract
The detrimental physical, mental, and socioeconomic effects of substance use disorders (SUDs) have been apparent to the medical community for decades. However, it has become increasingly urgent in recent years to develop novel pharmacotherapies to treat SUDs. Currently, practitioners typically rely on monotherapy. Monotherapy has been shown to be superior to no treatment at all for most substance classes. However, many randomized controlled trials (RCTs) have revealed that monotherapy leads to poorer outcomes when compared with combination treatment in all specialties of medicine. The results of RCTs suggest that monotherapy frequently fails since multiple dysregulated pathways, enzymes, neurotransmitters, and receptors are involved in the pathophysiology of SUDs. As such, research is urgently needed to determine how various neurobiological mechanisms can be targeted by novel combination treatments to create increasingly specific yet exceedingly comprehensive approaches to SUD treatment. This article aims to review the neurobiology that integrates many pathophysiologic mechanisms and discuss integrative pharmacology developments that may ultimately improve clinical outcomes for patients with SUDs. Many neurobiological mechanisms are known to be involved in SUDs including dopaminergic, nicotinic, N-methyl-D-aspartate (NMDA), and kynurenic acid (KYNA) mechanisms. Emerging evidence indicates that KYNA, a tryptophan metabolite, modulates all these major pathophysiologic mechanisms. Therefore, achieving KYNA homeostasis by harmonizing integrative pathophysiology and pharmacology could prove to be a better therapeutic approach for SUDs. We propose KYNA-NMDA-α7nAChRcentric pathophysiology, the "conductor of the orchestra," as a novel approach to treat many SUDs concurrently. KYNA-NMDA-α7nAChR pathophysiology may be the "command center" of neuropsychiatry. To date, extant RCTs have shown equivocal findings across comparison conditions, possibly because investigators targeted single pathophysiologic mechanisms, hit wrong targets in underlying pathophysiologic mechanisms, and tested inadequate monotherapy treatment. We provide examples of potential combination treatments that simultaneously target multiple pathophysiologic mechanisms in addition to KYNA. Kynurenine pathway metabolism demonstrates the greatest potential as a target for neuropsychiatric diseases. The investigational medications with the most evidence include memantine, galantamine, and N-acetylcysteine. Future RCTs are warranted with novel combination treatments for SUDs. Multicenter RCTs with integrative pharmacology offer a promising, potentially fruitful avenue to develop novel therapeutics for the treatment of SUDs.
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Affiliation(s)
- Jack Donlon
- Cooper Medical School of Rowan University, Camden, New Jersey, USA
| | - Pooja Kumari
- Community Living Trent Highlands, Peterborough, Canada
| | - Sajoy P Varghese
- Addiction Recovery Treatment Services, Veterans Affairs Northern California Health Care System, University of California, Davis, Sacramento, California, USA
| | - Michael Bai
- Columbia University, New York, New York, USA
| | - Ori David Florentin
- Department of Psychiatry, Westchester Medical Center, Valhalla, New York, USA
| | - Emma D Frost
- Department of Neurology, Cooper University Health Care, Camden, New Jersey, USA
| | - John Banks
- Talkiatry Mental Health Clinic, New York, New York, USA
| | - Niyathi Vadlapatla
- Thomas Jefferson High School for Science and Technology, Alexandria, Virginia, USA
| | - Olivia Kam
- Stony Brook University Renaissance School of Medicine, Stony Brook, New York, USA
| | - Mujeeb U Shad
- Department of Psychiatry, University of Nevada Las Vegas, Las Vegas, Nevada, USA
| | - Shafiqur Rahman
- Department of Pharmaceutical Sciences, College of Pharmacy, South Dakota State University, Brookings, South Dakota, USA
| | - Osama A Abulseoud
- Department of Psychiatry and Psychology, Alix School of Medicine at Mayo Clinic, Phoenix, Arizona, USA
| | - Trevor W Stone
- Nuffield Department of Orthopedics, Rheumatology and Musculoskeletal Sciences (NDORMS), University of Oxford, Oxford, UK
| | - Maju Mathew Koola
- Department of Psychiatry and Behavioral Health, Cooper University Health Care, Cooper Medical School of Rowan University, Camden, New Jersey, USA
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Shamabadi A, Arabzadeh Bahri R, Karimi H, Heidari E, Akhondzadeh S. Emerging pharmacotherapy for the treatment of cannabis use disorder. Expert Opin Pharmacother 2024; 25:695-703. [PMID: 38717605 DOI: 10.1080/14656566.2024.2353638] [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: 02/16/2024] [Accepted: 05/07/2024] [Indexed: 05/16/2024]
Abstract
INTRODUCTION About one-fifth of cannabis users, the most commonly used illicit substance, have cannabis use disorder (CUD). Psychiatric disorders and suicide are more common in these patients, and the disability-adjusted life years were reported to be 0.69 million. Pharmacotherapy for CUD is an unmet public health need, as current evidence-based therapies have limited efficacy. AREAS COVERED After explaining the pathophysiology of CUD, the effects of emerging pharmacological interventions in its treatment obtained from randomized controlled trials were reviewed in light of mechanisms of action. Superiority over control of cannabidiol, gabapentin, galantamine, nabilone plus zolpidem, nabiximols, naltrexone, PF-04457845, quetiapine, varenicline, and topiramate were observed through the cannabinoid, glutamatergic, γ-aminobutyric acidergic, serotonergic, noradrenergic, dopaminergic, opioidergic, and cholinergic systems. All medications were reported to be safe and tolerable. EXPERT OPINION Adding pharmacotherapy to psychotherapy is the optimal treatment for CUD on a case-by-case basis. Drug development to add to psychotherapy is the main path, but time and cost suggest repurposing and repositioning existing drugs. Considering sample size, follow-up, and effect size, further studies using objective tools are necessary. The future of CUD treatment is promising.
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Affiliation(s)
- Ahmad Shamabadi
- Psychiatric Research Center, Roozbeh Psychiatric Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Razman Arabzadeh Bahri
- Psychiatric Research Center, Roozbeh Psychiatric Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Hanie Karimi
- Psychiatric Research Center, Roozbeh Psychiatric Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Ehsan Heidari
- Department of Pharmacy, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Shahin Akhondzadeh
- Psychiatric Research Center, Roozbeh Psychiatric Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Oliveira D, Fontenele R, Weleff J, Sofuoglu M, De Aquino JP. Developing non-opioid therapeutics to alleviate pain among persons with opioid use disorder: a review of the human evidence. Int Rev Psychiatry 2023; 35:377-396. [PMID: 38299655 PMCID: PMC10835074 DOI: 10.1080/09540261.2023.2229430] [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: 04/16/2023] [Accepted: 06/20/2023] [Indexed: 02/02/2024]
Abstract
The opioid crisis remains a major public health concern, causing significant morbidity and mortality worldwide. Pain is frequently observed among individuals with opioid use disorder (OUD), and the current opioid agonist therapies (OAT) have limited efficacy in addressing the pain needs of this population. We reviewed the most promising non-opioid analgesic therapies for opioid-dependent individuals synthesising data from randomised controlled trials in the Medline database from December 2022 to March 2023. Ketamine, gabapentin, serotoninergic antidepressants, and GABAergic drugs were found to be the most extensively studied non-opioid analgesics with positive results. Additionally, we explored the potential of cannabinoids, glial activation inhibitors, psychedelics, cholecystokinin antagonists, alpha-2 adrenergic agonists, and cholinergic drugs. Methodological improvements are required to advance the development of novel analgesic strategies and establish their safety profile for opioid-dependent populations. We highlight the need for greater integration of experimental pain methods and abuse liability assessments, more granular assessments of prior opioid exposure, greater uniformity of pain types within study samples, and a particular focus on individuals with OUD receiving OAT. Finally, future research should investigate pharmacokinetic interactions between OAT and various non-opioid analgesics and perform reverse translation basic experiments, particularly with methadone and buprenorphine, which remain the standard OUD treatment.
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Affiliation(s)
- Debora Oliveira
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
| | - Rodrigo Fontenele
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
| | - Jeremy Weleff
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
- Department of Psychiatry and Psychology, Center for Behavioral Health, Neurological Institute, Cleveland Clinic, 1950 E 89th St U Bldg, Cleveland, OH 44195, USA
| | - Mehmet Sofuoglu
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
| | - Joao P. De Aquino
- Yale University School of Medicine, Department of Psychiatry, 300 George Street, New Haven, CT 06511, USA
- VA Connecticut Healthcare System, 950 Campbell Avenue, West Haven, CT 06516, USA
- Clinical Neuroscience Research Unit, Connecticut Mental Health Center, 34 Park Street, 3 Floor, New Haven, CT 06519, USA
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Marini P, Cowie P, Ayar A, Bewick GS, Barrow J, Pertwee RG, MacKenzie A, Tucci P. M3 Receptor Pathway Stimulates Rapid Transcription of the CB1 Receptor Activation through Calcium Signalling and the CNR1 Gene Promoter. Int J Mol Sci 2023; 24:ijms24021308. [PMID: 36674826 PMCID: PMC9867084 DOI: 10.3390/ijms24021308] [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: 10/28/2022] [Revised: 12/17/2022] [Accepted: 01/05/2023] [Indexed: 01/12/2023] Open
Abstract
In this study, we have investigated a possible mechanism that enables CB1/M3 receptor cross-talk, using SH-SY5Y cells as a model system. Our results show that M3 receptor activation initiates signaling that rapidly upregulates the CNR1 gene, resulting in a greatly potentiated CB1 receptor response to agonists. Calcium homeostasis plays an essential intermediary role in this functional CB1/M3 receptor cross-talk. We show that M3 receptor-triggered calcium release greatly increases CB1 receptor expression via both transcriptional and translational activity, by enhancing CNR1 promoter activity. The co-expression of M3 and CB1 receptors in brain areas such as the nucleus accumbens and amygdala support the hypothesis that the altered synaptic plasticity observed after exposure to cannabinoids involves cross-talk with the M3 receptor subtype. In this context, M3 receptors and their interaction with the cannabinoid system at the transcriptional level represent a potential pharmacogenomic target not only for the develop of new drugs for addressing addiction and tolerance. but also to understand the mechanisms underpinning response stratification to cannabinoids.
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Affiliation(s)
- Pietro Marini
- Institute of Education in Healthcare and Medical Sciences, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Philip Cowie
- The Institute of Medical Sciences, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Ahmet Ayar
- Department of Physiology, Faculty of Medicine, Karadeniz Technical University, 61080 Trabzon, Turkey
| | - Guy S. Bewick
- The Institute of Medical Sciences, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - John Barrow
- Institute of Education in Healthcare and Medical Sciences, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Roger G. Pertwee
- The Institute of Medical Sciences, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Alasdair MacKenzie
- The Institute of Medical Sciences, Foresterhill, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Paolo Tucci
- Department of Clinical and Experimental Medicine, University of Foggia, 71122 Foggia, Italy
- Correspondence:
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Cai X, Zhang J, Li Y, Deji C, Zhou J, Li S. Several nAChRs gene variants are associated with phenotypes of heroin addiction in Chinese Han population. Neurosci Lett 2022; 774:136532. [DOI: 10.1016/j.neulet.2022.136532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/02/2022] [Accepted: 02/11/2022] [Indexed: 10/19/2022]
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Nagamatsu ST, Rompala G, Hurd YL, Núñez-Rios DL, Montalvo-Ortiz JL. CpH methylome analysis in human cortical neurons identifies novel gene pathways and drug targets for opioid use disorder. Front Psychiatry 2022; 13:1078894. [PMID: 36745154 PMCID: PMC9892724 DOI: 10.3389/fpsyt.2022.1078894] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 12/19/2022] [Indexed: 01/24/2023] Open
Abstract
INTRODUCTION DNA methylation (DNAm), an epigenetic mechanism, has been associated with opioid use disorder (OUD) in preclinical and human studies. However, most of the studies have focused on DNAm at CpG sites. DNAm at non-CpG sites (mCpHs, where H indicates A, T, or C) has been recently shown to have a role in gene regulation and to be highly abundant in neurons. However, its role in OUD is unknown. This work aims to evaluate mCpHs in the human postmortem orbital frontal cortex (OFC) in the context of OUD. METHODS A total of 38 Postmortem OFC samples were obtained from the VA Brain Bank (OUD = 12; Control = 26). mCpHs were assessed using reduced representation oxidative bisulfite sequencing in neuronal nuclei. Differential analysis was performed using the "methylkit" R package. Age, ancestry, postmortem interval, PTSD, and smoking status were included as covariates. Significant mCpHs were set at q-value < 0.05. Gene Ontology (GO) and KEGG enrichment analyses were performed for the annotated genes of all differential mCpH loci using String, ShinyGO, and amiGO software. Further, all annotated genes were analyzed using the Drug gene interaction database (DGIdb). RESULTS A total of 2,352 differentially methylated genome-wide significant mCpHs were identified in OUD, mapping to 2,081 genes. GO analysis of genes with differential mCpH loci showed enrichment for nervous system development (p-value = 2.32E-19). KEGG enrichment analysis identified axon guidance and glutamatergic synapse (FDR 9E-4-2.1E-2). Drug interaction analysis found 3,420 interactions between the annotated genes and drugs, identifying interactions with 15 opioid-related drugs, including lofexidine and tizanidine, both previously used for the treatment of OUD-related symptoms. CONCLUSION Our findings suggest a role of mCpHs for OUD in cortical neurons and reveal important biological pathways and drug targets associated with the disorder.
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Affiliation(s)
- Sheila T Nagamatsu
- Division of Human Genetics, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States.,VA Connecticut (VA CT) Healthcare Center, West Haven, CT, United States.,Clinical Neurosciences Division, U.S. Department of Veterans Affairs National Center of Posttraumatic Stress Disorder, West Haven, CT, United States
| | - Gregory Rompala
- Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Yasmin L Hurd
- Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Diana L Núñez-Rios
- Division of Human Genetics, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States.,VA Connecticut (VA CT) Healthcare Center, West Haven, CT, United States.,Clinical Neurosciences Division, U.S. Department of Veterans Affairs National Center of Posttraumatic Stress Disorder, West Haven, CT, United States
| | - Janitza L Montalvo-Ortiz
- Division of Human Genetics, Department of Psychiatry, Yale University School of Medicine, New Haven, CT, United States.,VA Connecticut (VA CT) Healthcare Center, West Haven, CT, United States.,Clinical Neurosciences Division, U.S. Department of Veterans Affairs National Center of Posttraumatic Stress Disorder, West Haven, CT, United States
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5-HT 2A receptor- and M 1 muscarinic acetylcholine receptor-mediated activation of Gα q/11 in postmortem dorsolateral prefrontal cortex of opiate addicts. Pharmacol Rep 2021; 73:1155-1163. [PMID: 33835465 DOI: 10.1007/s43440-021-00248-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/05/2021] [Accepted: 03/11/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Chronic exposure to opiates causes the development of tolerance and physical dependence as well as persistent brain neuroplasticity. Despite a wealth of postmortem human studies for opiate addicts, little direct information regarding the functional status of serotonergic and cholinergic receptor-mediated signaling pathways in the human brain of opiate addicts is yet available. METHODS Functional activation of Gαq/11 proteins coupled to 5-HT2A and M1 type muscarinic acetylcholine receptor (mAChR) was assessed by using the method named [35S]GTPγS binding/immunoprecipitation in frontal cortical membrane preparations from postmortem human brains obtained from opiate addicts and matched controls. RESULTS Concentration-response curves for 5-HT and carbachol in individual subjects were analyzed according to a nonlinear regression model, which generated the values of maximum percent increase (%Emax), negative logarithm of the half-maximal effect (pEC50) and slope factor. As for 5-HT2A receptor-mediated Gαq/11 activation, the %Emax values were reduced significantly and the pEC50 values were decreased significantly in opiate addicts as compared to the control group. Regarding carbachol-induced Gαq/11 activation, no significant difference in %Emax or pEC50 values was detected between the both groups, whereas the slope factor was increased significantly in opiate addicts as compared to the control group. CONCLUSION Our data demonstrate that the signaling pathways mediated by Gαq/11 proteins coupled with 5-HT2A receptors and M1 mAChRs in prefrontal cortex are functionally altered in opiate addicts in comparison with control subjects. These alterations may underpin some aspects of addictive behavior to opiate as well as neuropsychological consequences or comorbid mental disorders associated with opioid use.
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Abstract
PURPOSE OF REVIEW Opioid use disorder (OUD) remains a national epidemic with an immense consequence to the United States' healthcare system. Current therapeutic options are limited by adverse effects and limited efficacy. RECENT FINDINGS Recent advances in therapeutic options for OUD have shown promise in the fight against this ongoing health crisis. Modifications to approved medication-assisted treatment (MAT) include office-based methadone maintenance, implantable and monthly injectable buprenorphine, and an extended-release injectable naltrexone. Therapies under investigation include various strategies such as heroin vaccines, gene-targeted therapy, and biased agonism at the G protein-coupled receptor (GPCR), but several pharmacologic, clinical, and practical barriers limit these treatments' market viability. This manuscript provides a comprehensive review of the current literature regarding recent innovations in OUD treatment.
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Eslimi Esfahani D, Zarrindast MR. Cholestasis and behavioral disorders. GASTROENTEROLOGY AND HEPATOLOGY FROM BED TO BENCH 2021; 14:95-107. [PMID: 33968336 PMCID: PMC8101523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Acute and chronic failure in liver function may give rise to cognitive and non-cognitive impairments in the brain, namely hepatic encephalopathy (HE). Liver diseases may cause cholestasis, which is defined as the impaired secretion of bile. It is characterized by the accumulation of substances in plasma that are normally excreted in bile such as bile acids. Cholestasis can lead to hepatic encephalopathy. Several investigations have indicated that HE induces several symptoms, such as the impairment of learning and memory, anxiolytic-like behaviors, alterations in sleep pattern, and tremors. It has been reported that after HE, all classical neurotransmitter systems such as opioidergic, dopaminergic, cholinergic, GABAergic, adrenergic, serotonergic, and glutamatergic systems can be altered. This review focuses on cholestasis, hepatic encephalopathy, and behavioral disorders.
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Affiliation(s)
- Delaram Eslimi Esfahani
- Department of Animal Biology, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - Mohammad Reza Zarrindast
- Department of Neuroscience, School of Advanced Medical Technologies, Tehran University of Medical Sciences, Tehran, Iran
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Mei L, Zhou Y, Sun Y, Liu H, Zhang D, Liu P, Shu H. Acetylcholine Muscarinic Receptors in Ventral Hippocampus Modulate Stress-Induced Anxiety-Like Behaviors in Mice. Front Mol Neurosci 2020; 13:598811. [PMID: 33384583 PMCID: PMC7769836 DOI: 10.3389/fnmol.2020.598811] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 11/18/2020] [Indexed: 12/12/2022] Open
Abstract
Chronic stress exposure increases the risk of developing various neuropsychiatric illnesses. The ventral hippocampus (vHPC) is central to affective and cognitive processing and displays a high density of acetylcholine (ACh) muscarinic receptors (mAChRs). However, the precise role of vHPC mAChRs in anxiety remains to be fully investigated. In this study, we found that chronic restraint stress (CRS) induced social avoidance and anxiety-like behaviors in mice and increased mAChR expression in the vHPC. CRS increased the vHPC ACh release in behaving mice. Moreover, CRS altered the synaptic activities and enhanced neuronal activity of the vHPC neurons. Using pharmacological and viral approaches, we showed that infusing the antagonist of mAChRs or decreasing their expression in the vHPC attenuated the anxiety-like behavior and rescued the social avoidance behaviors in mice probably due to suppression of vHPC neuronal activity and its excitatory synaptic transmission. Our results suggest that the changes of neuronal activity and synaptic transmission in the vHPC mediated by mAChRs may play an important role in stress-induced anxiety-like behavior, providing new insights into the pathological mechanism and potential pharmacological target for anxiety disorders.
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Affiliation(s)
- Li Mei
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yu Zhou
- Department of General Surgery, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Yi Sun
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Hong Liu
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Dengwen Zhang
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | - Pingping Liu
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Haihua Shu
- Department of Anesthesiology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
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Abstract
Opioid use disorder (OUD) represents a major public health problem that affects millions of people in the USA and worldwide. The relapsing and recurring aspect of OUD, driven by lasting neurobiological adaptations at different reward centres in the brain, represents a major obstacle towards successful long-term remission from opioid use. Currently, three drugs that modulate the function of the opioidergic receptors, methadone, buprenorphine and naltrexone have been approved by the US Food and Drug Administration (FDA) to treat OUD. In this review, we discuss the limitations and challenges associated with the current maintenance and medication-assisted withdrawal strategies commonly used to treat OUD. We further explore the involvement of glutamatergic, endocannabinoid and orexin signaling systems in the development, maintenance and expression of addiction-like behaviours in animal models of opioid addiction, and as potential and novel targets to expand therapeutic options to treat OUD. Despite a growing preclinical literature highlighting the role of these potential targets in animal models of opioid addiction, clinical and translational studies for novel treatments of OUD remain limited and inconclusive. Further preclinical and clinical investigations are needed to expand the arsenal of primary treatment options and adjuncts to maximise efficacy and prevent relapse.
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M 3 but not M 4 muscarinic receptors in the rostromedial tegmental nucleus are involved in the acquisition of morphine-induced conditioned place preference. Eur J Pharmacol 2020; 882:173274. [PMID: 32534071 DOI: 10.1016/j.ejphar.2020.173274] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 06/09/2020] [Accepted: 06/09/2020] [Indexed: 01/08/2023]
Abstract
Opioids strongly inhibit GABAergic neurons in the rostromedial tegmental nucleus (RMTg) that expresses μ-opioid receptors to induce rewarding and psychomotor effects. M3 and M4 muscarinic receptors are co-localized with μ-opioid receptors at these GABAergic neurons. This study explored whether RMTg M3 and M4 muscarinic receptors are involved in regulating opioid-induced reward and locomotion via a conditioned place preference (CPP) paradigm. Selective muscarinic receptor agonists and antagonists were both singly and combinatorically injected into the RMTg to examine their effects on the acquisition of systemic morphine-induced CPP and locomotor activity. The M3 muscarinic receptor agonist, pilocarpine, inhibited the acquisition of morphine-induced CPP, whereas its antagonist, 1,1-dimethyl-4-diphenylacetoxypiperidinium iodide (4-DAMP, 1 μg/side), reversed the inhibitory effect of pilocarpine (30 μg/side). Additionally, 4-DAMP increased locomotor activity while pilocarpine (30 μg/side) partially decreased locomotor activity when combined with morphine. In contrast, the M4 muscarinic receptor agonist, LY2033298 (0.1 and 0.2 μg/side), and antagonist, tropicamide (20 and 40 μM/side), did not affect the acquisition of morphine-induced CPP or locomotor activity. Taken together, our findings suggest that RMTg M3 muscarinic receptors are involved in opioid-induced rewarding and psychomotor effects. Therefore, RMTg M3 muscarinic receptors may represent a promising target for the treatment of opioid addiction.
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Alcohol, Tobacco, and Substance Use and Association with Opioid Use Disorder in Patients with Non-malignant and Cancer Pain: a Review. CURRENT ANESTHESIOLOGY REPORTS 2020. [DOI: 10.1007/s40140-020-00415-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Ebrahimi B, Esmaeili-Mahani S. The Effects of Hydroalcoholic Extract of Satureja khuzestanica on Naloxone-Induced Morphine Withdrawal Symptoms in Wistar Rats. INTERNATIONAL JOURNAL OF BASIC SCIENCE IN MEDICINE 2020. [DOI: 10.34172/ijbsm.2020.05] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: The inflammatory system, oxidative stress, and cholinergic pathways are some important factors in long-term opioid dependence withdrawal. The adverse effects of some adjunctive medications on withdrawal symptoms treatment limit their clinical efficiency and finding compounds with inhibitory effects on opioid dependence can be helpful. The antioxidant, antinociceptive, and anti-inflammatory properties of Satureja khuzestanica extract (SKE) have been noted. Additionally, it could reduce morphine analgesic tolerance. Given that no study has assessed the effect of SKE on morphine-induced withdrawal symptoms, we have tried to investigate it in this study. Methods: Male Wistar rats were used in this study. The rats were treated with morphine for 7 days. The control group received saline, and intervention groups received SKE intragastrically by gavage (100 mg/kg, 50 mg/kg, and 25 mg/kg) 15 minutes before morphine injections. Five hours after the last injection, naloxone was used and withdrawal symptoms were assessed for one hour. SPSS software version 16.0 was used for statistical analysis, and P≤0.05 was considered statistically significant. Results: SKE diminished weight loss and jumping (P≤0.001). It decreased grooming behaviors and cramps (P≤0.01). SKE was found to decrease morphine withdrawal symptoms and 100 mg/kg was the most effective dose. Additionally, different doses of SKE were able to eliminate ptosis, diarrhea, and teeth chattering in animals; however, different doses had different effects on withdrawal symptoms. Conclusion: Naloxone significantly increased the frequency of jumping, cramps, weight loss, grooming, and induced ptosis, diarrhea, and teeth chattering. Treatment with SKE can significantly reduce morphine withdrawal symptoms. This can be done through its ability to decrease inflammation.
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Affiliation(s)
- Bahareh Ebrahimi
- Shiraz Geriatric Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Saeed Esmaeili-Mahani
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran
- Laboratory of Molecular Neuroscience, Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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15
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Sofuoglu M, Shi JM, Carroll KM. Galantamine to reduce relapse after agonist taper for individuals with opioid use disorder. Drug Alcohol Depend 2019; 203:98. [PMID: 31421476 DOI: 10.1016/j.drugalcdep.2019.05.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 05/10/2019] [Accepted: 05/13/2019] [Indexed: 02/07/2023]
Affiliation(s)
- Mehmet Sofuoglu
- West Haven VA Medical Center, 950 Campbell Avenue, West Haven, CT 06516, USA
| | - Julia M Shi
- West Haven VA Medical Center, 950 Campbell Avenue, West Haven, CT 06516, USA; The APT Foundation, Central Medical Unit, 1 Long Wharf, New Haven, CT 06510, USA
| | - Kathleen M Carroll
- West Haven VA Medical Center, 950 Campbell Avenue, West Haven, CT 06516, USA.
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Moeller SJ, Abi-Dargham A. Letter to the Editor: A Novel Therapeutic for Opioid Use Disorder Targeting the Cholinergic System. Am J Addict 2019; 28:235-237. [PMID: 31165540 DOI: 10.1111/ajad.12906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 04/23/2019] [Indexed: 11/30/2022] Open
Affiliation(s)
- Scott J Moeller
- Department of Psychiatry, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York
| | - Anissa Abi-Dargham
- Department of Psychiatry, Renaissance School of Medicine, Stony Brook University, Stony Brook, New York
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17
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Carroll KM, DeVito EE, Yip SW, Nich C, Sofuoglu M. Double‐Blind Placebo‐Controlled Trial of Galantamine for Methadone‐Maintained Individuals With Cocaine Use Disorder: Secondary Analysis of Effects on Illicit Opioid Use. Am J Addict 2019; 28:238-245. [DOI: 10.1111/ajad.12904] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/21/2019] [Accepted: 04/21/2019] [Indexed: 12/22/2022] Open
Affiliation(s)
- Kathleen M. Carroll
- Department of Psychiatry, Division on AddictionYale University School of MedicineNew Haven Connecticut
| | - Elise E. DeVito
- Department of Psychiatry, Division on AddictionYale University School of MedicineNew Haven Connecticut
| | - Sarah W. Yip
- Department of Psychiatry, Division on AddictionYale University School of MedicineNew Haven Connecticut
| | - Charla Nich
- Department of Psychiatry, Division on AddictionYale University School of MedicineNew Haven Connecticut
| | - Mehmet Sofuoglu
- Department of Psychiatry, Division on AddictionYale University School of MedicineNew Haven Connecticut
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18
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Sugarman DE, De Aquino JP, Poling J, Sofuoglu M. Feasibility and effects of galantamine on cognition in humans with cannabis use disorder. Pharmacol Biochem Behav 2019; 181:86-92. [PMID: 31082417 PMCID: PMC6545124 DOI: 10.1016/j.pbb.2019.05.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/07/2019] [Accepted: 05/08/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND As long-term use of medicinal and recreational cannabis becomes more common and concentrations of delta-9-tetrahydrocannabinol (THC) in cannabis increase, it is timely to identify strategies to counteract the cognitive effects of cannabinoids. OBJECTIVE Galantamine is an acetylcholinesterase inhibitor approved for the treatment of Alzheimer's disease and other dementias. This study aimed to investigate the feasibility of galantamine administration to individuals with cannabis use disorder (CUD), and the effects of galantamine on cognition. We hypothesized galantamine would be well tolerated and would not have procognitive effects in the absence of acute cannabis intoxication. METHODS Thirty individuals with CUD (73.5% male, 26.5% female) participated in a randomized, double-blind, parallel-group trial. Participants completed a baseline session followed by a 10-day outpatient treatment period, during which they received either 8 mg/day of galantamine orally or placebo. Cognitive assessments were conducted at three time points and self-reported measures that may impact cognitive performance (cannabis withdrawal, craving, and mood) were completed at six time points. RESULTS There were no significant differences in demographic and baseline variables between groups (galantamine vs. placebo). There were no significant adverse effects from galantamine. Cannabis withdrawal and craving continuously decreased over the study. We saw evidence of a modest improvement in cognitive outcomes during the 10-day period, exemplified by a statistically significant increase in measures of response inhibition (increased median reaction time on the Stop Signal Task), and a trend for improvement in measures of attention (increased RVP A'), for both groups. Analyses did not show, however, a significant main effect for treatment or treatment-by-time interactions. CONCLUSIONS The findings of this pilot study support the feasibility of the administration of galantamine for individuals with CUD. Adequately powered, randomized, placebo-controlled trials are required to investigate the potential of galantamine to improve cognitive deficits associated with CUD.
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Affiliation(s)
- Dawn E Sugarman
- Division of Alcohol and Drug Abuse, 115 Mill Street, McLean Hospital, Belmont 02478, MA, United States; Harvard Medical School, 25 Shattuck Street, Boston 02115, MA, United States.
| | - Joao P De Aquino
- VA Connecticut Healthcare System, 950 Campbell Ave., Bldg. 36/116A4, West Haven, CT 06516, USA; Yale University School of Medicine, Department of Psychiatry, 300 George St., New Haven, CT 06511, USA
| | - James Poling
- Yale University School of Medicine, Department of Psychiatry, 300 George St., New Haven, CT 06511, USA
| | - Mehmet Sofuoglu
- VA Connecticut Healthcare System, 950 Campbell Ave., Bldg. 36/116A4, West Haven, CT 06516, USA; Yale University School of Medicine, Department of Psychiatry, 300 George St., New Haven, CT 06511, USA
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19
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Patil DN, Patil SA, Sistla S, Jadhav JP. Comparative biophysical characterization: A screening tool for acetylcholinesterase inhibitors. PLoS One 2019; 14:e0215291. [PMID: 31150404 PMCID: PMC6544338 DOI: 10.1371/journal.pone.0215291] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 03/30/2019] [Indexed: 02/07/2023] Open
Abstract
Among neurodegenerative diseases, Alzheimer’s disease (AD) is one of the most grievous disease. The oldest cholinergic hypothesis is used to elevate the level of cognitive impairment and acetylcholinesterase (AChE) comprises the major targeted enzyme in AD. Thus, acetylcholinesterase inhibitors (AChEI) constitutes the essential remedy for the treatment of AD. The study aims to evaluate the interactions between natural molecules and AChE by Surface Plasmon Resonance (SPR). The molecules like alkaloids, polyphenols and substrates of AChE have been considered for the study with a major emphasis on affinity and kinetics. To better understand the activity of small molecules, the investigation is supported by both experimental and theoretical approach such as fluorescence, Circular Dichroism (CD) and molecular docking studies. Amongst the screened ones tannic acid showed promising results compared with others. The methodology followed here have highlighted many molecules with a higher affinity towards AChE and these findings may take lead molecules generated in preclinical studies to treat neurodegenerative diseases. Additionally, we suggest a unique signature for the heterogeneous analyte model using competitive experiments for analyzing simultanous interactions of both the analytes.
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Affiliation(s)
| | - Sushama A. Patil
- Department of Biotechnology, Shivaji University, Kolhapur, MS, India
| | - Srinivas Sistla
- Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, Virginia, United States
| | - Jyoti P. Jadhav
- Department of Biotechnology, Shivaji University, Kolhapur, MS, India
- * E-mail:
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20
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Lichenstein SD, Zakiniaeiz Y, Yip SW, Garrison KA. Mechanisms and Clinical Features of Co-occurring Opioid and Nicotine Use. CURRENT ADDICTION REPORTS 2019; 6:114-125. [PMID: 32864292 DOI: 10.1007/s40429-019-00245-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Purpose of review To review the literature addressing shared pathophysiological and clinical features of opioid and nicotine use to inform etiology and treatment, and highlight areas for future research. Recent findings Opioid and nicotine use co-occur at an alarmingly high rate, and this may be driven in part by interactions between the opioid and cholinergic systems underlying drug reward and the transition to dependence. Pain, among other shared risk factors, is strongly implicated in both opioid and nicotine use and appears to play an important role in their co-occurrence. Additionally, there are important sex/gender considerations that require further study. Regarding treatment, smoking cessation can improve treatment outcomes in opioid use disorder, and pharmacological approaches that target the opioid and cholinergic systems may be effective for treating both classes of substance use disorders. Summary Understanding overlapping etiological and pathophysiological mechanisms of opioid and nicotine use can aid in understanding their co-occurrence and guiding their treatment.
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Affiliation(s)
| | - Yasmin Zakiniaeiz
- Department of Radiology & Biomedical Imaging, Yale School of Medicine
| | - Sarah W Yip
- Department of Psychiatry, Yale School of Medicine
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