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Nisbett KE, Vendruscolo LF, Koob GF. µ-Opioid receptor antagonism facilitates the anxiolytic-like effect of oxytocin in mice. Transl Psychiatry 2024; 14:125. [PMID: 38413576 PMCID: PMC10899625 DOI: 10.1038/s41398-024-02830-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 02/29/2024] Open
Abstract
Mood and anxiety disorders are leading causes of disability worldwide and are major contributors to the global burden of diseases. Neuropeptides, such as oxytocin and opioid peptides, are important for emotion regulation. Previous studies have demonstrated that oxytocin reduced depression- and anxiety-like behavior in male and female mice, and opioid receptor activation reduced depression-like behavior. However, it remains unclear whether the endogenous opioid system interacts with the oxytocin system to facilitate emotion regulation in male and female mice. We hypothesized that opioid receptor blockade would inhibit the anxiolytic- and antidepressant-like effects of oxytocin. In this study, we systemically administered naloxone, a preferential μ-opioid receptor antagonist, and then intracerebroventricularly administered oxytocin. We then tested mice on the elevated zero maze and the tail suspension tests, respective tests of anxiety- and depression-like behavior. Contrary to our initial hypothesis, naloxone potentiated the anxiolytic-like, but not the antidepressant-like, effect of oxytocin. Using a selective μ-opioid receptor antagonist, D-Phe-Cys-Tyr-D-Trp-Arg-Thr-Pen-Thr-NH2, and a selective κ-opioid receptor antagonist, norbinaltorphimine, we demonstrate that μ-opioid receptor blockade potentiated the anxiolytic-like effect of oxytocin, whereas κ-opioid receptor blockade inhibited the oxytocin-induced anxiolytic-like effects. The present results suggest that endogenous opioids can regulate the oxytocin system to modulate anxiety-like behavior. Potential clinical implications of these findings are discussed.
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Affiliation(s)
- Khalin E Nisbett
- Graduate Program in Neuroscience, Graduate College, University of Illinois Chicago, Chicago, IL, 60607, USA.
- Stress & Addiction Neuroscience Unit, National Institute on Drug Abuse Intramural Research Program and National Institute on Alcohol Abuse and Alcoholism Division of Intramural Clinical and Biological Research, National Institutes of Health, Baltimore, MD, 21224, USA.
- Neurobiology of Addiction Section, Integrative Neuroscience Research Branch, National Institute on Drug Abuse Intramural Research Program, National Institutes of Health, Baltimore, MD, 21224, USA.
| | - Leandro F Vendruscolo
- Stress & Addiction Neuroscience Unit, National Institute on Drug Abuse Intramural Research Program and National Institute on Alcohol Abuse and Alcoholism Division of Intramural Clinical and Biological Research, National Institutes of Health, Baltimore, MD, 21224, USA
| | - George F Koob
- Neurobiology of Addiction Section, Integrative Neuroscience Research Branch, National Institute on Drug Abuse Intramural Research Program, National Institutes of Health, Baltimore, MD, 21224, USA
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2
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Wu G, Xu H. A synopsis of multitarget therapeutic effects of anesthetics on depression. Eur J Pharmacol 2023; 957:176032. [PMID: 37660970 DOI: 10.1016/j.ejphar.2023.176032] [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: 07/04/2023] [Revised: 08/23/2023] [Accepted: 08/28/2023] [Indexed: 09/05/2023]
Abstract
Depression is a profound mental disorder that dampens the mood and undermines volition, which exhibited an increased incidence over the years. Although drug-based interventions remain the primary approach for depression treatment, the available medications still can't satisfy the patients. In recent years, the newly discovered therapeutic targets such as N-methyl-D-aspartate (NMDA) receptor, α-amino-3-hydroxy-5-methyl-4-isoxazole-propionic acid (AMPA) receptor, and tyrosine kinase B (TrkB) have brought new breakthroughs in the development of antidepressant drugs. Moreover, it has come to light that certain anesthetics possess pharmacological mechanisms intricately linked to the aforementioned therapeutic targets for depression. At present, numerous preclinical and clinical studies have explored the therapeutic effects of anesthetic drugs such as ketamine, isoflurane, N2O, and propofol, on depression. These investigations suggested that these drugs can swiftly ameliorate patients' depression symptoms and engender long-term effects. In this paper, we provide a comprehensive review of the research progress and potential molecular mechanisms of various anesthetic drugs for depression treatment. By shedding light on this subject, we aim to facilitate the development and clinical implementation of new antidepressant drugs based on anesthetic medications.
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Affiliation(s)
- Guowei Wu
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P.R. China
| | - Hongwei Xu
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, P.R. China.
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3
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Adzic M, Lukic I, Mitic M, Glavonic E, Dragicevic N, Ivkovic S. Contribution of the opioid system to depression and to the therapeutic effects of classical antidepressants and ketamine. Life Sci 2023:121803. [PMID: 37245840 DOI: 10.1016/j.lfs.2023.121803] [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: 03/31/2023] [Revised: 05/22/2023] [Accepted: 05/22/2023] [Indexed: 05/30/2023]
Abstract
Major depressive disorder (MDD) afflicts approximately 5 % of the world population, and about 30-50 % of patients who receive classical antidepressant medications do not achieve complete remission (treatment resistant depressive patients). Emerging evidence suggests that targeting opioid receptors mu (MOP), kappa (KOP), delta (DOP), and the nociceptin/orphanin FQ receptor (NOP) may yield effective therapeutics for stress-related psychiatric disorders. As depression and pain exhibit significant overlap in their clinical manifestations and molecular mechanisms involved, it is not a surprise that opioids, historically used to alleviate pain, emerged as promising and effective therapeutic options in the treatment of depression. The opioid signaling is dysregulated in depression and numerous preclinical studies and clinical trials strongly suggest that opioid modulation can serve as either an adjuvant or even an alternative to classical monoaminergic antidepressants. Importantly, some classical antidepressants require the opioid receptor modulation to exert their antidepressant effects. Finally, ketamine, a well-known anesthetic whose extremely efficient antidepressant effects were recently discovered, was shown to mediate its antidepressant effects via the endogenous opioid system. Thus, although opioid system modulation is a promising therapeutical venue in the treatment of depression further research is warranted to fully understand the benefits and weaknesses of such approach.
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Affiliation(s)
- Miroslav Adzic
- Department of Molecular Biology and Endocrinology, Vinca - Institute for Nuclear Sciences, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia.
| | - Iva Lukic
- Department of Molecular Biology and Endocrinology, Vinca - Institute for Nuclear Sciences, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Milos Mitic
- Department of Molecular Biology and Endocrinology, Vinca - Institute for Nuclear Sciences, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Emilija Glavonic
- Department of Molecular Biology and Endocrinology, Vinca - Institute for Nuclear Sciences, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Nina Dragicevic
- Department of Pharmacy, Singidunum University, Belgrade, Serbia
| | - Sanja Ivkovic
- Department of Molecular Biology and Endocrinology, Vinca - Institute for Nuclear Sciences, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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4
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Wang X, Ge S, Zhang C. Bed nuclei of the stria terminalis: A key hub in the modulation of anxiety. Eur J Neurosci 2023; 57:900-917. [PMID: 36725691 DOI: 10.1111/ejn.15926] [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: 04/18/2022] [Revised: 01/12/2023] [Accepted: 01/26/2023] [Indexed: 02/03/2023]
Abstract
The bed nuclei of the stria terminalis (BST) is recognised as a pivotal integrative centre for monitoring emotional valence. It is implicated in the regulation of diverse affective states and motivated behaviours, and decades of research have firmly established its critical role in anxiety-related behavioural processes. Researchers have recently intricately dissected the BST's dynamic activities, its connection patterns and its functions with respect to specific cell types using multiple techniques such as optogenetics, in vivo calcium imaging and transgenic tools to unmask the complex circuitry mechanisms that underlie anxiety. In this review, we principally focus on studies of anxiety-involved neuromodulators within the BST and provide a comprehensive architecture of the anxiety network-highlighting the BST as a key hub in orchestrating anxiety-like behaviour. We posit that these promising efforts will contribute to the identification of an accurate roadmap for future treatment of anxiety disorders.
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Affiliation(s)
- Xinxin Wang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Shenglin Ge
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Chengxin Zhang
- Department of Cardiovascular Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, China
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5
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The Opioid System in Depression. Neurosci Biobehav Rev 2022; 140:104800. [PMID: 35914624 PMCID: PMC10166717 DOI: 10.1016/j.neubiorev.2022.104800] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 06/20/2022] [Accepted: 07/25/2022] [Indexed: 12/16/2022]
Abstract
Opioid receptors are widely distributed throughout the brain and play an essential role in modulating aspects of human mood, reward, and well-being. Accumulating evidence indicates the endogenous opioid system is dysregulated in depression and that pharmacological modulators of mu, delta, and kappa opioid receptors hold potential for the treatment of depression. Here we review animal and clinical data, highlighting evidence to support: dysregulation of the opioid system in depression, evidence for opioidergic modulation of behavioural processes and brain regions associated with depression, and evidence for opioidergic modulation in antidepressant responses. We evaluate clinical trials that have examined the safety and efficacy of opioidergic agents in depression and consider how the opioid system may be involved in the effects of other treatments, including ketamine, that are currently understood to exert antidepressant effects through non-opioidergic actions. Finally, we explore key neurochemical and molecular mechanisms underlying the potential therapeutic effects of opioid system engagement, that together provides a rationale for further investigation into this relevant target in the treatment of depression.
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6
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Turan Yücel N, Evren AE, Kandemir Ü, Can ÖD. Antidepressant-like effect of tofisopam in mice: A behavioural, molecular docking and MD simulation study. J Psychopharmacol 2022; 36:819-835. [PMID: 35638175 DOI: 10.1177/02698811221095528] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
BACKGROUND Depression is a disease that affects millions of people worldwide, and the discovery and development of effective and safe antidepressant drugs is one of the important topics of psychopharmacology. OBJECTIVES In this study, it was aimed to investigate the antidepressant-like activity potential of tofisopam, an anxiolytic drug with 2,3-benzodiazepine structure, and to elucidate the pharmacological mechanisms mediating this effect. METHODS The antidepressant-like activity of tofisopam was investigated using tail suspension and modified forced swimming tests. Possible interactions of tofisopam with µ- and δ-opioid receptor subtypes were clarified by pharmacological antagonism, molecular docking and molecular dynamics simulation studies. RESULTS Tofisopam (50 and 100 mg/kg) significantly shortened the immobility time of mice in both the tail suspension and the modified forced swimming tests. The drug, at the same doses, prolonged the duration of swimming and climbing behaviours measured in modified forced swimming tests. A dosage of 25 mg/kg was ineffective. Mechanistic studies showed that the pretreatment with p-chlorophenylalanine methyl ester (serotonin synthesis inhibitor; 4 consecutive days, 100 mg/kg), α-methyl-para-tyrosine methyl ester (catecholamine synthesis inhibitor; 100 mg/kg), naloxonazine (selective µ-opioid receptor blocker, 7 mg/kg) and naltrindole (a selective δ-opioid receptor blocker, 0.99 mg/kg) abolished the anti-immobility effect induced by the 50 mg/kg dose of tofisopam in the tail suspension tests. Our in silico studies supported the behavioural findings that the antidepressant-like effect of tofisopam is mediated by μ- and δ-opioid receptors. CONCLUSION This study is the first to show that tofisopam has antidepressant-like activity mediated by the serotonergic, catecholaminergic and opioidergic systems.
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Affiliation(s)
- Nazlı Turan Yücel
- Department of Pharmacology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
| | - Asaf Evrim Evren
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey.,Pharmacy Services, Vocational School of Health Services, Bilecik Şeyh Edebali University, Bilecik, Turkey
| | - Ümmühan Kandemir
- Department of Pharmacology, Institute of Health Sciences, Anadolu University, Eskişehir, Turkey
| | - Özgür Devrim Can
- Department of Pharmacology, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey
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7
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Sex specific effects of buprenorphine on behavior, astrocytic opioid receptor expression and neuroinflammation after pediatric traumatic brain injury in mice. Brain Behav Immun Health 2022; 22:100469. [PMID: 35620644 PMCID: PMC9127176 DOI: 10.1016/j.bbih.2022.100469] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 04/29/2022] [Accepted: 05/06/2022] [Indexed: 12/31/2022] Open
Abstract
Children who suffered traumatic brain injury (TBI) often experience acute and chronic pain, which is linked to a poor quality of life. Buprenorphine (BPN) is commonly used to treat moderate to severe persistent pain in children, however, the efficacy and safety profile of BPN in the pediatric population is still inconclusive. This study investigated the sex-specific effects of BPN on body weight, motor coordination and strength, expression of opioid receptors in the white matter astrocytes, and neuroinflammation in a mouse impact acceleration model of pediatric TBI. Male and female littermates were randomized on postnatal day 20-21(P20-21) into Sham, TBI + saline and TBI + BPN groups. Mice in the TBI + saline and TBI + BPN groups underwent TBI, while the Sham group underwent anesthesia without injury. BPN (0.075 mg/kg) was administered to the TBI + BPN mice at 30 min after injury, and then every 6-12 h for 2 days. Mice in the TBI + saline group received the same amount of saline injections. The impact of BPN on body weight, motor function, opioid receptor expression, and neuroinflammation was evaluated at 1-day (d), 3-d and 7-d post-injury. We found that 1) TBI induced significant weight loss in both males and females. BPN treatment improved weight loss at 3-d post-injury in females. 2) TBI significantly impaired motor coordination and strength. BPN improved motor coordination and strength in both males and females at 1-d and 3-d post-injury. 3) TBI significantly decreased exploration activity at 1-d post-injury in males, and at 7-d post-injury in females, while BPN improved the exploration activity in females. 4) TBI significantly increased mRNA expression of mu-opioid receptors (MOR) at 7-d post-injury in males, but decreased mRNA expression of MOR at 1-d post-injury in females. BPN normalized MOR mRNA expression at 1-d post-injury in females. 5) MOR expression in astrocytes at corpus callosum significantly increased at 7-d post-injury in male TBI group, but significantly decreased at 1-d post-injury in female TBI group. BPN normalized MOR expression in both males and females. 6) TBI significantly increased the mRNA expression of TNF-α, IL-1β, IL-6 and iNOS. BPN decreased mRNA expression of iNOS, and increased mRNA expression of TGF-β1. In conclusion, this study elucidates the sex specific effects of BPN during the acute phase after pediatric TBI, which provides the rationale to assess potential effects of BPN on chronic pathological progressions after pediatric TBI in both males and females.
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8
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Ahmadi J, Bazrafshan A, Sahraian A, Jalali S, Fakhermanesh M, Hooshyari Z. Anxiety treatment of methamphetamine-dependent patients with buprenorphine: A randomized, double-blind, clinical trial. Tzu Chi Med J 2022; 35:89-94. [PMID: 36866345 PMCID: PMC9972937 DOI: 10.4103/tcmj.tcmj_297_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 12/30/2021] [Accepted: 01/24/2022] [Indexed: 11/04/2022] Open
Abstract
Objectives In this double-blind, randomized clinical trial, the effectiveness of buprenorphine (BUPRE) in the reduction of anxiety symptoms among the methamphetamine (MA) dependents was evaluated. Materials and Methods The 60 MA-dependent patients were randomly assigned to three groups (0.1 mg, 1 mg, and 8 mg of BUPRE), The Hamilton Anxiety Rating Scale was administrated to assess the anxiety symptoms daily at baseline and second to the 5th day after intervention. The inclusion criteria were the MA dependence, age of over 18 years, and absence of any chronic physical illnesses; exclusion criteria were the presence of other drug dependence in combination with MA. The mixed-design analysis of variance was performed for data analysis. Results A significant main effect of time (F = 51.456, P < 0.001) and group (F = 4.572, P = 0.014) and group-by-time interaction (F = 8.475, P < 0.001) were detected. Conclusions This finding supports the efficacy of BUPRE to decrease anxiety. High doses of the drug (1 and 8 mg) were more effective than 0.1 mg. Here was not a significant difference between anxiety score when patients received 1 mg of BUPRE instead of 8 mg.
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Affiliation(s)
- Jamshid Ahmadi
- Substance Abuse Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Amir Bazrafshan
- Substance Abuse Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Ali Sahraian
- Research Center of Psychiatry and Behavioral Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sara Jalali
- Substance Abuse Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maedeh Fakhermanesh
- Substance Abuse Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Hooshyari
- Psychiatry and Psychology Research Center, Tehran University of Medical Science, Tehran, Iran,Virtual School of Medical Education and Management, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Address for correspondence: Dr. Zahra Hooshyari, Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran. E-mail:
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9
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Kaya-Akyüzlü D, Özkan-Kotiloğlu S, Yalçın-Şahiner Ş, Ağtaş-Ertan E, Özgür-İlhan İ. Association of PDYN 68-bp VNTR polymorphism with sublingual buprenorphine/naloxone treatment and with opioid or alcohol use disorder: Effect on craving, depression, anxiety and age onset of first use. Eur J Pharmacol 2022; 921:174862. [DOI: 10.1016/j.ejphar.2022.174862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 02/17/2022] [Accepted: 02/22/2022] [Indexed: 11/03/2022]
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10
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Jasmine Silva M, Coffee Z, Goza J, Rumrill K. Microinduction to Buprenorphine from Methadone for Chronic Pain: Outpatient Protocol with Case Examples. J Pain Palliat Care Pharmacother 2022; 36:40-48. [PMID: 35290161 DOI: 10.1080/15360288.2022.2049422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The negative sequelae of full mu agonist chronic opioid analgesic therapy (COAT) are numerous and well documented. One safer alternative to COAT use in chronic, non-cancer pain (CNCP) is a transition to buprenorphine. However, transitioning patients from methadone COAT regimens can be challenging due to the pharmacodynamics of buprenorphine, as well as to the limited commercial formulations of buprenorphine available, and their restrictive instructions for use. Presented here are clinical cases transitioned to buprenorphine from methadone via a novel microinduction protocol during enrollment in an outpatient, group, integrative, multidisciplinary program. The protocol was successful to promote satisfactory and sustained COAT cessation for patients with CNCP and is arguably safer than current conventional practices.
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11
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Namchuk AB, Lucki I, Browne CA. Buprenorphine as a Treatment for Major Depression and Opioid Use Disorder. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2022; 2:10254. [PMID: 36177442 PMCID: PMC9518754 DOI: 10.3389/adar.2022.10254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Rates of major depressive disorder (MDD) are disproportionally high in subjects with opioid use disorder (OUD) relative to the general population. MDD is often more severe in OUD patients, leading to compliance issues with maintenance therapies and poor outcomes. A growing body of literature suggests that endogenous opioid system dysregulation may play a role in the emergence of MDD. Buprenorphine, a mixed opioid receptor agonist/antagonist approved for the treatment of OUD and chronic pain, may have potential as a novel therapeutic for MDD, especially for patients with a dual diagnosis of MDD and OUD. This paper presents a comprehensive review of papers relevant to the assessment of buprenorphine as a treatment for MDD, OUD, and/or suicide compiled using electronic databases per Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The principal goal of this literature review was to compile the clinical studies that have interrogated the antidepressant activity of buprenorphine in opioid naïve MDD patients and OUD patients with comorbid MDD. Evidence supporting buprenorphine's superiority over methadone for treating comorbid OUD and MDD was also considered. Finally, recent evidence for the ability of buprenorphine to alleviate suicidal ideation in both opioid-naïve patients and opioid-experienced patients was evaluated. Synthesizing all of this information, buprenorphine emerges as a potentially effective therapeutic for the dual purposes of treating MDD and OUD.
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Affiliation(s)
- Amanda B. Namchuk
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University, Bethesda, Maryland, 20814, USA
| | - Irwin Lucki
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University, Bethesda, Maryland, 20814, USA
- Department of Psychiatry, Uniformed Services University, Bethesda, Maryland, 20814, USA
| | - Caroline A. Browne
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University, Bethesda, Maryland, 20814, USA
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12
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Baynard C, Prisinzano TE, Butelman ER. Rapid-Onset Anti-Stress Effects of a Kappa-Opioid Receptor Antagonist, LY2795050, Against Immobility in an Open Space Swim Paradigm in Male and Female Mice. Front Pharmacol 2021; 12:775317. [PMID: 34880762 PMCID: PMC8645979 DOI: 10.3389/fphar.2021.775317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 11/08/2021] [Indexed: 11/13/2022] Open
Abstract
The kappa-opioid receptor (KOR) / dynorphin system is implicated with behavioral and neurobiological effects of stress exposure (including heavy exposure to drugs of abuse) in translational animal models. Thus some KOR-antagonists can decrease the aversive, depressant-like and anxiety-like effects caused by stress exposure. The first generation of selective KOR-antagonists have slow onsets (hours) and extremely long durations of action (days-weeks), in vivo. A new generation of KOR antagonists with rapid onset and shorter duration of action can potentially decrease the effects of stress exposure in translational models, and may be of interest for medication development. This study examined the rapid onset anti-stress effects of one of the shorter acting novel KOR-antagonists (LY2795050, (3-chloro-4-(4-(((2S)-2-pyridin-3-ylpyrrolidin-1-yl)methyl) phenoxy)benzamide)) in a single-session open space swim (OSS) stress paradigm (15 min duration), in adult male and female C57BL/6 J mice. LY2795050 (0.32 mg/kg, i.p.) had rapid onset (within 15 min) and short duration (<3 h) of KOR-antagonist effects, based on its blockade of the locomotor depressant effects of the KOR-agonist U50,488 (10 mg/kg). LY2795050 (0.32 mg/kg), when administered only 1 min prior to the OSS stress paradigm, decreased immobility in males, but not females. With a slightly longer pretreatment time (15 min), this dose of LY2795050 decreased immobility in both males and females. A 10-fold smaller dose of LY2795050 (0.032 mg/kg) was inactive in the OSS, showing dose-dependence of this anti-stress effect. Overall, these studies show that a novel KOR-antagonist can produce very rapid onset anti-immobility effects in this model of acute stress exposure.
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Affiliation(s)
- Caroline Baynard
- Laboratory on the Biology of Addictive Diseases, The Rockefeller University, New York, NY, United States
| | - Thomas E Prisinzano
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY, United States
| | - Eduardo R Butelman
- Laboratory on the Biology of Addictive Diseases, The Rockefeller University, New York, NY, United States
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13
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Zhou Q, Zhang Z, Long S, Li W, Wang B, Liang N. Opioids in cancer: The κ‑opioid receptor (Review). Mol Med Rep 2021; 25:44. [PMID: 34878160 PMCID: PMC8674701 DOI: 10.3892/mmr.2021.12560] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 11/17/2021] [Indexed: 12/24/2022] Open
Abstract
The κ‑opioid receptor (KOR) is one of the primary receptors of opioids and serves a vital role in the regulation of pain, anesthesia, addiction and other pathological and physiological processes. KOR is associated with several types of cancer and may influence cancer progression. It has been proposed that KOR may represent a new tumor molecular marker and provide a novel basis for molecular targeted therapies for cancer. However, the association between KOR and cancer remains to be explored comprehensively. The present review introduces KOR and its association with different types of cancer. Improved understanding of KOR may facilitate development of novel antitumor therapies.
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Affiliation(s)
- Qier Zhou
- Department of Anesthesiology, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Zhiwei Zhang
- Key Laboratory of Cancer Cellular and Molecular Pathology, Cancer Research Institute of Hengyang Medical College, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Songkai Long
- Department of Anesthesiology, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Wanjun Li
- Department of Anesthesiology, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Baiyun Wang
- Department of Anesthesiology, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, P.R. China
| | - Na Liang
- Department of Anesthesiology, The Affiliated Nanhua Hospital, Hengyang Medical School, University of South China, Hengyang, Hunan 421001, P.R. China
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14
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Maraschin JC, Frias AT, Hernandes PM, Batistela MF, Martinez LM, Joca SRL, Graeff FG, Audi EA, Spera de Andrade TGC, Zangrossi H. Antipanic-like effect of esketamine and buprenorphine in rats exposed to acute hypoxia. Behav Brain Res 2021; 418:113651. [PMID: 34732354 DOI: 10.1016/j.bbr.2021.113651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 10/19/2021] [Accepted: 10/29/2021] [Indexed: 12/26/2022]
Abstract
The antidepressant effect of ketamine has been widely acknowledged and the use of one of its enantiomers, S-ketamine (esketamine), has recently been approved for the clinical management of treatment-resistant depression. As with ketamine, the non-selective opioid receptor-interacting drug buprenorphine is reported to have antidepressant and anxiolytic properties in humans and rodents. Given the fact that antidepressant drugs are also first line treatment for panic disorder, it is surprising that the potential panicolytic effect of these compounds has been scarcely (ketamine), or not yet (buprenorphine) investigated. We here evaluated the effects of ketamine (the racemic mixture), esketamine, and buprenorphine in male Wistar rats submitted to a panicogenic challenge: acute exposure to hypoxia (7% O2). We observed that esketamine (20 mg/kg), but not ketamine, decreased the number of escape attempts made during hypoxia, and this effect could be observed even 7 days after the drug administration. A panicolytic-like effect was also observed with MK801, which like esketamine, antagonizes NMDA glutamate receptors. Buprenorphine (0.3 mg/kg) also impaired hypoxia-induced escape, an effect blocked by the non-selective opioid receptor antagonist naloxone, indicating an interaction with classical ligand sites, such as µ and kappa receptors, but not with nociception/orphanin FQ receptors. Altogether, the results suggest that esketamine and buprenorphine cause rapid-onset panicolytic-like effects, and may be alternatives for treating panic disorder, particularly in patients who are refractory to standard pharmacological treatment.
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Affiliation(s)
- Jhonatan Christian Maraschin
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Alana Tercino Frias
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Paloma Molina Hernandes
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Matheus Fitipaldi Batistela
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Lucas Motta Martinez
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil
| | - Sâmia Regiane Lourenço Joca
- Department of Biomolecular Sciences, School of Pharmaceutical Sciences, University of São Paulo, Ribeirão Preto, SP, Brazil; Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus, Denmark
| | | | - Elisabeth Aparecida Audi
- Department of Pharmacology and Therapeutics, State University of Maringá (UEM), Maringá, PR, Brazil
| | | | - Hélio Zangrossi
- Department of Pharmacology, School of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, SP, Brazil; Behavioural Neurosciences Institute (INeC), Ribeirão Preto, SP, Brazil.
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15
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Cameron CM, Nieto S, Bosler L, Wong M, Bishop I, Mooney L, Cahill CM. Mechanisms Underlying the Anti-Suicidal Treatment Potential of Buprenorphine. ADVANCES IN DRUG AND ALCOHOL RESEARCH 2021; 1. [PMID: 35265942 PMCID: PMC8903193 DOI: 10.3389/adar.2021.10009] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Death by suicide is a global epidemic with over 800 K suicidal deaths worlwide in 2012. Suicide is the 10th leading cause of death among Americans and more than 44 K people died by suicide in 2019 in the United States. Patients with chronic pain, including, but not limited to, those with substance use disorders, are particularly vulnerable. Chronic pain patients have twice the risk of death by suicide compared to those without pain, and 50% of chronic pain patients report that they have considered suicide at some point due to their pain. The kappa opioid system is implicated in negative mood states including dysphoria, depression, and anxiety, and recent evidence shows that chronic pain increases the function of this system in limbic brain regions important for affect and motivation. Additionally, dynorphin, the endogenous ligand that activates the kappa opioid receptor is increased in the caudate putamen of human suicide victims. A potential treatment for reducing suicidal ideation and suicidal attempts is buprenorphine. Buprenorphine, a partial mu opioid agonist with kappa opioid antagonist properties, reduced suicidal ideation in chronic pain patients with and without an opioid use disorder. This review will highlight the clinical and preclinical evidence to support the use of buprenorphine in mitigating pain-induced negative affective states and suicidal thoughts, where these effects are at least partially mediated via its kappa antagonist properties.
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Affiliation(s)
- Courtney M. Cameron
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, United States
- Shirley and Stefan Hatos Center for Neuropharmacology, University of California, Los Angeles, Los Angeles, CA, United States
- Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Steven Nieto
- Department of Psychology, University of California, Los Angeles, Los Angeles, CA, United States
| | - Lucienne Bosler
- Shirley and Stefan Hatos Center for Neuropharmacology, University of California, Los Angeles, Los Angeles, CA, United States
| | - Megan Wong
- Shirley and Stefan Hatos Center for Neuropharmacology, University of California, Los Angeles, Los Angeles, CA, United States
| | - Isabel Bishop
- Shirley and Stefan Hatos Center for Neuropharmacology, University of California, Los Angeles, Los Angeles, CA, United States
| | - Larissa Mooney
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, United States
- Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Catherine M. Cahill
- Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles, Los Angeles, CA, United States
- Shirley and Stefan Hatos Center for Neuropharmacology, University of California, Los Angeles, Los Angeles, CA, United States
- Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles, Los Angeles, CA, United States
- David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Correspondence: Catherine M. Cahill,
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Abstract
After participating in this activity, learners should be better able to:• Identify the effects of dysregulated opioid signalling in depression• Evaluate the use of opioid compounds and ketamine in patients with depression ABSTRACT: Major depressive disorder (MDD) remains one of the leading causes of disability and functional impairment worldwide. Current antidepressant therapeutics require weeks to months of treatment prior to the onset of clinical efficacy on depressed mood but remain ineffective in treating suicidal ideation and cognitive impairment. Moreover, 30%-40% of individuals fail to respond to currently available antidepressant medications. MDD is a heterogeneous disorder with an unknown etiology; novel strategies must be developed to treat MDD more effectively. Emerging evidence suggests that targeting one or more of the four opioid receptors-mu (MOR), kappa (KOR), delta (DOR), and the nociceptin/orphanin FQ receptor (NOP)-may yield effective therapeutics for stress-related psychiatric disorders. Furthermore, the effects of the rapidly acting antidepressant ketamine may involve opioid receptors. This review highlights dysregulated opioid signaling in depression, evaluates clinical trials with opioid compounds, and considers the role of opioid mechanisms in rapidly acting antidepressants.
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Pfabigan DM, Rütgen M, Kroll SL, Riečanský I, Lamm C. The administration of the opioid buprenorphine decreases motivational error signals. Psychoneuroendocrinology 2021; 128:105199. [PMID: 33933894 DOI: 10.1016/j.psyneuen.2021.105199] [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: 11/14/2020] [Revised: 02/07/2021] [Accepted: 03/09/2021] [Indexed: 11/25/2022]
Abstract
While opioid addiction has reached pandemic proportions, we still lack a good understanding of how the administration of opioids interacts with cognitive functions. Error processing - the ability to detect erroneous actions and correct one's behaviour afterwards - is one such cognitive function that might be susceptible to opioidergic influences. Errors are hypothesised to induce aversive negative arousal, while opioids have been suggested to reduce aversive arousal induced by unpleasant and stressful stimuli. Thus, this study investigated whether the acute administration of an opioid would affect error processing. In a double-blind between-subject study, 42 male volunteers were recruited and received either 0.2 mg buprenorphine (a partial µ-opioid receptor agonist and κ-opioid receptor antagonist) or a placebo pill before they performed a stimulus-response task provoking errors. Electroencephalograms (EEG) were recorded while participants performed the task. We observed no group differences in terms of reaction times, error rates, and affective state ratings during the task between buprenorphine and control participants. Additional measures of adaptive control, however, showed interfering effects of buprenorphine administration. On the neural level, decreased Pe (Error Positivity) amplitudes were found in buprenorphine compared to control participants following error commission. Further, frontal delta oscillations were decreased in the buprenorphine group after all responses. Our neural results jointly demonstrate a general reduction in error processing in those participants who received an opioid before task completion, thereby suggesting that opioids might have indeed the potential to dampen motivational error signals. Importantly, the effects of the opioid were evident in more elaborate error processing stages, thereby impacting on processes of conscious error appraisal and evidence accumulation.
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Affiliation(s)
- D M Pfabigan
- Department of Behavioural Medicine, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Sognsvannsveien 9, 0372 Oslo, Norway; Social, Cognitive and Affective Neuroscience Unit, Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Liebiggasse 5, 1010 Vienna, Austria.
| | - M Rütgen
- Social, Cognitive and Affective Neuroscience Unit, Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Liebiggasse 5, 1010 Vienna, Austria.
| | - S L Kroll
- Center for Social and Affective Neuroscience, Department of Biomedical and Clinical Sciences, Linköping University, Psychiatry Building, Entrance 27, Floor 9, 581 85 Linköping, Sweden.
| | - I Riečanský
- Social, Cognitive and Affective Neuroscience Unit, Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Liebiggasse 5, 1010 Vienna, Austria; Department of Behavioural Neuroscience, Institute of Normal and Pathological Physiology, Centre of Experimental Medicine, Slovak Academy of Sciences, Sienkiewiczova 1, Bratislava 81371, Slovakia.
| | - C Lamm
- Social, Cognitive and Affective Neuroscience Unit, Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Liebiggasse 5, 1010 Vienna, Austria.
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Lee YS, Remesic M, Ramos-Colon C, Wu Z, LaVigne J, Molnar G, Tymecka D, Misicka A, Streicher JM, Hruby VJ, Porreca F. Multifunctional Enkephalin Analogs with a New Biological Profile: MOR/DOR Agonism and KOR Antagonism. Biomedicines 2021; 9:biomedicines9060625. [PMID: 34072734 PMCID: PMC8229567 DOI: 10.3390/biomedicines9060625] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 11/25/2022] Open
Abstract
In our previous studies, we developed a series of mixed MOR/DOR agonists that are enkephalin-like tetrapeptide analogs with an N-phenyl-N-piperidin-4-ylpropionamide (Ppp) moiety at the C-terminus. Further SAR study on the analogs, initiated by the findings from off-target screening, resulted in the discovery of LYS744 (6, Dmt-DNle-Gly-Phe(p-Cl)-Ppp), a multifunctional ligand with MOR/DOR agonist and KOR antagonist activity (GTPγS assay: IC50 = 52 nM, Imax = 122% cf. IC50 = 59 nM, Imax = 100% for naloxone) with nanomolar range of binding affinity (Ki = 1.3 nM cf. Ki = 2.4 nM for salvinorin A). Based on its unique biological profile, 6 is considered to possess high therapeutic potential for the treatment of chronic pain by modulating pathological KOR activation while retaining analgesic efficacy attributed to its MOR/DOR agonist activity.
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Affiliation(s)
- Yeon Sun Lee
- Department of Pharmacology, University of Arizona, Tucson, AZ 85724, USA; (J.L.); (G.M.); (J.M.S.); (F.P.)
- Correspondence: ; Tel.: +1-520-626-2820
| | - Michael Remesic
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ 85721, USA; (M.R.); (C.R.-C.); (V.J.H.)
| | - Cyf Ramos-Colon
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ 85721, USA; (M.R.); (C.R.-C.); (V.J.H.)
| | - Zhijun Wu
- ABC Resource, Plainsboro, NJ 08536, USA;
| | - Justin LaVigne
- Department of Pharmacology, University of Arizona, Tucson, AZ 85724, USA; (J.L.); (G.M.); (J.M.S.); (F.P.)
| | - Gabriella Molnar
- Department of Pharmacology, University of Arizona, Tucson, AZ 85724, USA; (J.L.); (G.M.); (J.M.S.); (F.P.)
| | - Dagmara Tymecka
- Faculty of Chemistry, University of Warsaw, Pasteura, PL-02-093 Warsaw, Poland; (D.T.); (A.M.)
| | - Aleksandra Misicka
- Faculty of Chemistry, University of Warsaw, Pasteura, PL-02-093 Warsaw, Poland; (D.T.); (A.M.)
| | - John M. Streicher
- Department of Pharmacology, University of Arizona, Tucson, AZ 85724, USA; (J.L.); (G.M.); (J.M.S.); (F.P.)
| | - Victor J. Hruby
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, AZ 85721, USA; (M.R.); (C.R.-C.); (V.J.H.)
| | - Frank Porreca
- Department of Pharmacology, University of Arizona, Tucson, AZ 85724, USA; (J.L.); (G.M.); (J.M.S.); (F.P.)
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Agomelatine Softens Depressive-Like Behavior through the Regulation of Autophagy and Apoptosis. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6664591. [PMID: 33791372 PMCID: PMC7994102 DOI: 10.1155/2021/6664591] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/11/2021] [Accepted: 02/26/2021] [Indexed: 11/17/2022]
Abstract
Depression is a common and disabling mental disorder with high recurrence rate. Searching for more effective treatments for depression is a long-standing primary objective in neuroscience. Agomelatine (AGO) was reported as an antidepressant with unique pharmacological effects. However, its effects and the underlying mechanism are still unclear. In this study, we sought to evaluate the antidepressant effects of AGO on the chronic restraint stress (CRS) mouse model and preliminarily investigate its effects on the gut microbial metabolites. The CRS model mice were established in 28 days with AGO (60 mg/kg/day, by oral) or fluoxetine (15 mg/kg/day, by oral) administration. The number of behavioral tests was conducted to evaluate the effect of AGO on depression-like behavior alleviation. Meanwhile, the expression of the BDNF/TrkB/pERK signaling pathway, apoptosis, autophagy, and inflammatory protein markers were assessed using western blot and immunofluorescence. Our findings show that AGO can attenuate the depressive-like behavior that significantly appeared in both sucrose preference and forced swimming tests. Additionally, a noticeable upregulation of autophagy including Beclin1 and LC3II, microglial activity marker Iba-1, and BDNF/TrkB/pERK signaling pathways are indicated. An obvious decreased expression of NF-κB, iNOS, and nNOS as well as apoptosis including Bax is observed in AGO administration mice. On the other hand, we found that AGO impacted the rebalancing of short-chain fatty acids (SCFAs) in mouse feces. Altogether, these findings suggest that AGO can exert antidepressant effects in a different molecular mechanism.
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Rizk MM, Herzog S, Dugad S, Stanley B. Suicide Risk and Addiction: The Impact of Alcohol and Opioid Use Disorders. CURRENT ADDICTION REPORTS 2021; 8:194-207. [PMID: 33747710 PMCID: PMC7955902 DOI: 10.1007/s40429-021-00361-z] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/23/2021] [Indexed: 01/05/2023]
Abstract
Purpose of Review Suicide is a major public health concern and a leading cause of death in the US. Alcohol and opioid use disorders (AUD/OUD) significantly increase risk for suicidal ideation, attempts, and death, and are the two most frequently implicated substances in suicide risk. We provide a brief overview of shared risk factors and pathways in the pathogenesis of AUD/OUD and suicidal thoughts and behaviors. We also review clinical recommendations on inpatient care, pharmacotherapy, and psychotherapeutic interventions for people with AUD/OUD and co-occurring suicidal ideation and behavior. Recent Findings Among people with an underlying vulnerability to risk-taking and impulsive behaviors, chronic alcohol intoxication can increase maladaptive coping behaviors and hinder self-regulation, thereby increasing the risk of suicide. Additionally, chronic opioid use can result in neurobiological changes that lead to increases in negative affective states, jointly contributing to suicide risk and continued opioid use. Despite significantly elevated suicide risk in individuals with AUD/OUD, there is a dearth of research on pharmacological and psychosocial interventions for co-occurring AUD/OUD and suicidal ideation and behavior. Summary Further research is needed to understand the effects of alcohol and opioid use on suicide risk, as well as address notable gaps in the literature on psychosocial and pharmacological interventions to lower risk for suicide among individuals with AUD/OUD.
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Affiliation(s)
- Mina M. Rizk
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
- Department of Psychiatry, Faculty of Medicine, Minia University, Egypt, Egypt
| | - Sarah Herzog
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
| | - Sanjana Dugad
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
- Department of Psychiatry and Behavioral Sciences, Memorial Sloan Kettering Cancer Center, New York, NY USA
| | - Barbara Stanley
- Department of Psychiatry, Columbia University Irving Medical Center, Columbia University, New York, NY USA
- Division of Molecular Imaging and Neuropathology, New York State Psychiatric Institute, 1051 Riverside Dr., Unit 42, New York, NY 10032 USA
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21
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Kumar R, Sinha V, Dahiya L, Sarwal A. Transdermal delivery of duloxetine-sulfobutylether-β-cyclodextrin complex for effective management of depression. Int J Pharm 2021; 594:120129. [DOI: 10.1016/j.ijpharm.2020.120129] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 01/15/2023]
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Abstract
BACKGROUND Depression and post-traumatic stress disorder (PTSD) are leading causes of disability and loss of life by suicide. Currently, there are less than satisfactory medical solutions to treat these mental disorders. Here, we explore recent preclinical and clinical studies demonstrating the potential of using buprenorphine to treat major depressive disorder, treatment-resistant depression, and PTSD. METHOD Bibliographic databases were searched to include preclinical and clinical studies demonstrating the therapeutic potential of buprenorphine and the involvement of the kappa opioid receptor (KOR) in mediating these effects. RESULTS Original clinical studies examining the effectiveness of buprenorphine to treat depression were mixed. The majority of participants in the PTSD studies were males and suffer from chronic pain and/or substance use disorders. Nonetheless, these recent studies and analyses established proof of concept warranting farther investigations. Additionally, KOR likely mediates the antidepressant and some of the anxiolytic effects of buprenorphine. Still, it appears that the full spectrum of buprenorphine's beneficial effects might be due to activity at other opioid receptors as well. CONCLUSIONS Pharmaceuticals' abilities to treat medical conditions directly relates to their ability to act upon the endogenous biological systems related to the conditions. Thus, these recent findings are likely a reflection of the central role that the endogenous opioid system has in these mental illnesses. Further studies are necessary to study the involvement of endogenous opioid systems, and specifically KOR, in mediating buprenorphine's beneficial effects and the ability to treat these medical conditions while minimizing risks for misuse and diversion.
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Affiliation(s)
- Caitlin A Madison
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX77843, USA
| | - Shoshana Eitan
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX77843, USA
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Browne CA, Smith T, Lucki I. Behavioral effects of the kappa opioid receptor partial agonist nalmefene in tests relevant to depression. Eur J Pharmacol 2020; 872:172948. [PMID: 31991139 DOI: 10.1016/j.ejphar.2020.172948] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2019] [Revised: 01/13/2020] [Accepted: 01/24/2020] [Indexed: 01/14/2023]
Abstract
Compounds with high affinity at kappa and mu opioid receptors may have clinical utility in treating major depressive disorder. Nalmefene (NMF) is a partial kappa opioid receptor agonist and potent mu opioid receptor antagonist, but there has been no preclinical evaluation of NMF in rodent tests relevant to depression and anxiety. To address this, the effects of NMF on neurochemical and behavioral endpoints in C57BL/6J mice were examined and contrasted with a structurally related analog, naltrexone (NTX). NMF exhibited kappa opioid receptor agonist activity, measured as a reduction in extracellular dopamine release in the nucleus accumbens using in vivo microdialysis following acute but not chronic administration. In the mouse forced swim test, female mice were more responsive to higher doses of NMF and NTX compared to male mice. The behavioral effects of NMF in the forced swim test were blocked in Oprk1-/- and Oprm1-/- mice. Conversely, the effects of NTX were blocked only in Oprm1-/- mice. These results indicate that both kappa and mu opioid receptors mediate the behavioral effects of NMF, but the effects of NTX in this test were modified only by mu opioid receptor engagement. Unlike NTX, NMF did not produce conditioned place aversion in either sex. Finally, NMF's activity in the marble burying test and forced swim test were retained following chronic administration. The sustained effects exerted by NMF on tests that are sensitive to antidepressant and anxiolytic compounds support further investigation of NMF as a potential therapeutic for depression.
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Affiliation(s)
- Caroline A Browne
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA; Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA; Department of Pharmacology & Molecular Therapeutics, Uniformed Services University, Bethesda, 20814, MD, USA.
| | - Tiffany Smith
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA; Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA
| | - Irwin Lucki
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, USA; Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA; Department of Pharmacology & Molecular Therapeutics, Uniformed Services University, Bethesda, 20814, MD, USA
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24
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Jacobson ML, Browne CA, Lucki I. Kappa Opioid Receptor Antagonists as Potential Therapeutics for Stress-Related Disorders. Annu Rev Pharmacol Toxicol 2020; 60:615-636. [DOI: 10.1146/annurev-pharmtox-010919-023317] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Exposure to stressful stimuli activates kappa opioid receptor (KOR) signaling, a process known to produce aversion and dysphoria in humans and other species. This endogenous opioid system is dysregulated in stress-related disorders, specifically in major depressive disorder (MDD). These findings serve as the foundation for a growing interest in the therapeutic potential of KOR antagonists as novel antidepressants. In this review, data supporting the hypothesis of dysregulated KOR function in MDD are considered. The clinical data demonstrating the therapeutic efficacy and safety of selective and mixed opioid antagonists are then presented. Finally, the preclinical evidence illustrating the induction of behaviors relevant to the endophenotypes of MDD and KOR antagonist activity in stress-naïve and stress-exposed animals is evaluated. Overall, this review highlights the emergent literature supporting the pursuit of KOR antagonists as novel therapeutics for MDD and other stress-related disorders.
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Affiliation(s)
- Moriah L. Jacobson
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814, USA
| | - Caroline A. Browne
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814, USA
| | - Irwin Lucki
- Department of Pharmacology & Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814, USA
- Department of Psychiatry, Uniformed Services University of the Health Sciences, Bethesda, Maryland 20814, USA
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25
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Nobile B, Lutz PE, Olie E, Courtet P. The Role of Opiates in Social Pain and Suicidal Behavior. Curr Top Behav Neurosci 2020; 46:197-210. [PMID: 32865762 DOI: 10.1007/7854_2020_167] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
With more than 800,000 deaths by suicide each year and 20 to 30 times more suicide attempts worldwide, suicide is a major public health problem. Current treatments of SB are mainly based on pharmacological treatments that are not specific of SB (e.g. antidepressants), and new therapeutic targets are urgently needed. Recent data strengthen the ancient conception pain (social, psychic, physical) that is at the core of the suicidal process and should be incorporated in the clinical assessment of suicide risk. Then, the mechanisms involved in the regulation of pain may open new avenues regarding therapeutic perspectives. Opiates appear to be a promising candidate in treatment of SB. Indeed, since the last two decades, growing evidences suggest an implication of the opioid system in the pathophysiology of SB, this conduct to the elaboration of randomized controlled trials (RCTs) using opiates in patients with SB. Results suggesting an anti-suicidal effect of buprenorphine and the potential opioidergic-related anti-suicidal effect of ketamine both contribute to the growing interest in opiates use in SB. In this review, we will summarize a large part of the evidence that leads researchers and clinicians to be interested in the use of opiates for SB treatment and discuss on new opioid pharmacological options for suicidal patients.
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Affiliation(s)
- Benedicte Nobile
- Department of Emergency Psychiatry and Acute Care, CHU, Montpellier, France
- PSNREC, Univ Montpellier, INSERM, CHU de Montpellier, Montpellier, France
- University Montpellier, Montpellier, France
| | - Pierre-Eric Lutz
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
- Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg, France
| | - Emilie Olie
- Department of Emergency Psychiatry and Acute Care, CHU, Montpellier, France
- PSNREC, Univ Montpellier, INSERM, CHU de Montpellier, Montpellier, France
- University Montpellier, Montpellier, France
| | - Philippe Courtet
- Department of Emergency Psychiatry and Acute Care, CHU, Montpellier, France.
- PSNREC, Univ Montpellier, INSERM, CHU de Montpellier, Montpellier, France.
- University Montpellier, Montpellier, France.
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Burke NN, Li Y, Deaver DR, Finn DP, Roche M, Eyerman DJ, Sanchez C, Kelly JP. Chronic administration of buprenorphine in combination with samidorphan produces sustained effects in olfactory bulbectomised rats and Wistar-Kyoto rats. J Psychopharmacol 2019; 33:1620-1627. [PMID: 31512988 DOI: 10.1177/0269881119872203] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The combination of buprenorphine, a partial mu-opioid receptor agonist and a functional kappa-opioid receptor antagonist, with samidorphan, a functional mu-opioid receptor antagonist, is being developed as an adjunct therapy for major depressive disorder, in order to harness the mood-enhancing effects of opioids without unwanted side-effects such as a risk of addiction. Acute and subacute administration of the combination of buprenorphine and samidorphan is effective in reducing forced swim immobility in the Wistar-Kyoto rat, but the chronic effects have not been examined. AIMS AND METHODS The purpose of this study was to assess if chronic (14-day) administration of buprenorphine (0.1 mg/kg, subcutaneous) alone or in combination with samidorphan (0.3 mg/kg, subcutaneous) maintains antidepressant-like activity in the olfactory bulbectomised rat model and the Wistar-Kyoto rat, two models that exhibit ongoing behavioural deficits in tests commonly used to study effects of antidepressants. RESULTS Olfactory bulbectomised-induced hyperactivity was attenuated by chronic administration of buprenorphine alone and in combination with samidorphan, to that of sham control activity levels. Neither buprenorphine nor samidorphan altered stress-associated defecation in sham or olfactory bulbectomised rats in the open field. In Wistar-Kyoto rats, buprenorphine alone significantly reduced forced swim immobility and increased locomotor activity three hours post-final dosing. Buprenorphine plus samidorphan significantly reduced forced swim immobility without changing locomotor activity at this time point. Buprenorphine alone also significantly reduced forced swim immobility 24 h post-final dosing. CONCLUSION Chronic treatment of buprenorphine alone or buprenorphine plus samidorphan is effective in reversing behavioural deficits in distinct non-clinical paradigms. These non-clinical results complement the antidepressant effect of this combination observed in clinical studies.
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Affiliation(s)
- Nikita N Burke
- Pharmacology and Therapeutics, National University of Ireland, Galway, Ireland
| | - Yan Li
- Alkermes Inc., Waltham, MA, USA
| | | | - David P Finn
- Pharmacology and Therapeutics, National University of Ireland, Galway, Ireland
| | - Michelle Roche
- Physiology, National University of Ireland, Galway, Ireland
| | | | | | - John P Kelly
- Pharmacology and Therapeutics, National University of Ireland, Galway, Ireland
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Robinson SA, Hill-Smith TE, Lucki I. Buprenorphine prevents stress-induced blunting of nucleus accumbens dopamine response and approach behavior to food reward in mice. Neurobiol Stress 2019; 11:100182. [PMID: 31304200 PMCID: PMC6599912 DOI: 10.1016/j.ynstr.2019.100182] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/26/2019] [Accepted: 06/04/2019] [Indexed: 11/26/2022] Open
Abstract
Alterations to the mesolimbic dopamine (DA) system are thought to underlie dysfunctional reward processing in stress-related psychiatric disorders. Using in vivio microdialysis in awake freely moving mice, we assessed the effects of stress on the motivational and neurochemical correlates underlying conditioned approach behavior for palatable food in the non-deprived mouse. Mice trained to approach and consume food in a familiar environment exhibited a 30% increase in nucleus accumbens shell (AcbSh) extracellular dopamine levels coincident with approach towards and consumption of the food reward. This effect was not observed in mice that were presented with the food in an unfamiliar environment or were exposed for the first time and were region specific. The addition of an acute environmental stressor (bright light and novel scent) during food exposure decreased DA release and delayed approach to the food. The disruptive impact of acute novelty stress on DA levels and approach behavior was reversed in animals pretreated with buprenorphine, an opioid drug with antidepressant-like and anxiolytic effects. Together, these data indicate that exposure to mild stress reduces incentive drive to approach palatable food via alterations in AcbSh dopamine responsiveness to food reward. Moreover, they implicate the brain opioid system as a potential pharmacological target for counteracting behavioral and neurochemical elements associated with stress.
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Affiliation(s)
- Shivon A. Robinson
- Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | | | - Irwin Lucki
- Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, 19104, USA
- Department of Pharmacology, University of Pennsylvania, Philadelphia, PA, 19104, USA
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Pendergrass SA, Crist RC, Jones LK, Hoch JR, Berrettini WH. The importance of buprenorphine research in the opioid crisis. Mol Psychiatry 2019; 24:626-632. [PMID: 30617273 DOI: 10.1038/s41380-018-0329-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2018] [Revised: 10/15/2018] [Accepted: 11/14/2018] [Indexed: 12/14/2022]
Abstract
With the urgency to treat patients more effectively for opioid use disorder in the midst of the opioid epidemic, a key area for precision medicine is to improve individualized medication-assisted treatment for opioid use disorder. The expansion of medication-assisted treatment is a key to reducing illicit opioid use, preventing opioid overdose deaths, and reducing the comorbidities and societal impacts of opioid use disorder. The most common medication for opioid use disorder will soon be buprenorphine. Research to date shows the successful impact of buprenorphine treatment, including the pharmacogenomics of buprenorphine response and treatment efficacy. Buprenorphine is also a promising treatment for depression and anxiety, and neonatal opioid withdrawal syndrome (NOWS). However, the rates of success with medication-assisted treatment for opioid use disorder, particularly at the beginning of treatment, still show many individuals relapsing to illicit opioid use. With the scope of the opioid crisis, there is an urgent need for expansion of buprenorphine treatment research to provide critical information for improving outcomes of opioid use disorder. Implementing the best strategies for opioid use disorder treatment is of dire urgency and will save lives.
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Affiliation(s)
- Sarah A Pendergrass
- Biomedical and Translational Informatics Department, Geisinger, Danville, PA, USA.
| | - Richard C Crist
- Center for Neurobiology and Behavior, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Laney K Jones
- Center for Pharmacy Innovation and Outcomes, Precision Health Center, Geisinger, Forty Fort, PA, USA
| | - Jason R Hoch
- Department of Psychiatry and Addiction Medicine, Neurosciences Institute, Geisinger, Danville, PA, USA
| | - Wade H Berrettini
- Center for Neurobiology and Behavior, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA.,Geisinger, Danville, PA, USA
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Browne CA, Lucki I. Targeting opioid dysregulation in depression for the development of novel therapeutics. Pharmacol Ther 2019; 201:51-76. [PMID: 31051197 DOI: 10.1016/j.pharmthera.2019.04.009] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 04/23/2019] [Indexed: 02/07/2023]
Abstract
Since the serendipitous discovery of the first class of modern antidepressants in the 1950's, all pharmacotherapies approved by the Food and Drug Administration for major depressive disorder (MDD) have shared a common mechanism of action, increased monoaminergic neurotransmission. Despite the widespread availability of antidepressants, as many as 50% of depressed patients are resistant to these conventional therapies. The significant length of time required to produce meaningful symptom relief with these medications, 4-6 weeks, indicates that other mechanisms are likely involved in the pathophysiology of depression which may yield more viable targets for drug development. For decades, no viable candidate target with a different mechanism of action to that of conventional therapies proved successful in clinical studies. Now several exciting avenues for drug development are under intense investigation. One of these emerging targets is modulation of endogenous opioid tone. This review will evaluate preclinical and clinical evidence pertaining to opioid dysregulation in depression, focusing on the role of the endogenous ligands endorphin, enkephalin, dynorphin, and nociceptin/orphanin FQ (N/OFQ) and their respective receptors, mu (MOR), delta (DOR), kappa (KOR), and the N/OFQ receptor (NOP) in mediating behaviors relevant to depression and anxiety. Finally, putative opioid based antidepressants that are under investigation in clinical trials, ALKS5461, JNJ-67953964 (formerly LY2456302 and CERC-501) and BTRX-246040 (formerly LY-2940094) will be discussed. This review will illustrate the potential therapeutic value of targeting opioid dysregulation in developing novel therapies for MDD.
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Affiliation(s)
- Caroline A Browne
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, United States of America
| | - Irwin Lucki
- Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, United States of America.
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Smith KL, Cunningham JI, Eyerman DJ, Dean RL, Deaver DR, Sanchez C. Opioid system modulators buprenorphine and samidorphan alter behavior and extracellular neurotransmitter concentrations in the Wistar Kyoto rat. Neuropharmacology 2019; 146:316-326. [DOI: 10.1016/j.neuropharm.2018.11.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 10/26/2018] [Accepted: 11/10/2018] [Indexed: 01/04/2023]
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Lin C, Karim HT, Pecina M, Aizenstein HJ, Lenze EJ, Blumberger DM, Mulsant BH, Kharasch ED, Reynolds Iii CF, Karp JF. Low-dose augmentation with buprenorphine increases emotional reactivity but not reward activity in treatment resistant mid- and late-life depression. Neuroimage Clin 2019; 21:101679. [PMID: 30685701 PMCID: PMC6356006 DOI: 10.1016/j.nicl.2019.101679] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 11/26/2018] [Accepted: 01/20/2019] [Indexed: 12/28/2022]
Abstract
Buprenorphine is currently being studied for treatment-resistant depression because of its rapid effect, relative safety, and unique pharmacodynamics. To understand the neural impact of buprenorphine in depression, we examined acute limbic and reward circuit changes during an intervention with low-dose buprenorphine augmentation pharmacotherapy. Mid and late-life adults with major depression (N = 31) who did not completely respond to an adequate trial of venlafaxine were randomized to augmentation with low-dose buprenorphine or matching placebo. We investigated early neural changes using functional magnetic resonance imaging (fMRI) from pre-randomization to 3 weeks using both an emotional reactivity task and a gambling task. We tested if: 1) there were significant neural changes acutely per intervention group, and 2) if acute neural changes were associated with depressive symptom change over 8 weeks using both the total score and the dysphoria subscale of the Montgomery Asberg Depression Rating Scale. Participants in both the buprenorphine and placebo groups showed similar changes in depressive symptoms. Neither the emotional reactivity nor gambling task resulted in significant neural activation changes from pre-randomization to 3-weeks. In both groups, increases in rostral anterior cingulate (rACC) and ventromedial prefrontal cortex (vmPFC) activation during the emotional reactivity task were associated with overall symptom improvement. In the buprenorphine but not the placebo group, increased activation in left anterior insula (aINS) and bilateral middle frontal gyrus (MFG) was associated with improvement on the dysphoria subscale. Activation changes in the reward task were not associated with buprenorphine. This is the first study to show an association between acute neural changes during emotion reactivity and changes in depression severity with buprenorphine treatment.
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Affiliation(s)
- Chemin Lin
- Department of Psychiatry, Keelung Chang Chung Memorial Hospital, Keelung, Taiwan
| | - Helmet T Karim
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Marta Pecina
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA
| | - Howard J Aizenstein
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Eric J Lenze
- Department of Psychiatry, Washington University in St. Louis, St. Louis, MO, USA
| | - Daniel M Blumberger
- Centre for Addiction and Mental Health, Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Benoit H Mulsant
- Centre for Addiction and Mental Health, Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Evan D Kharasch
- Department of Anesthesiology, The Center for Clinical Pharmacology, St. Louis College of Pharmacy, Washington University in St. Louis, St. Louis, MO, USA
| | | | - Jordan F Karp
- Department of Psychiatry, University of Pittsburgh, Pittsburgh, PA, USA.
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Peciña M, Karp JF, Mathew S, Todtenkopf MS, Ehrich EW, Zubieta JK. Endogenous opioid system dysregulation in depression: implications for new therapeutic approaches. Mol Psychiatry 2019; 24:576-587. [PMID: 29955162 PMCID: PMC6310672 DOI: 10.1038/s41380-018-0117-2] [Citation(s) in RCA: 114] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 04/11/2018] [Accepted: 05/25/2018] [Indexed: 12/12/2022]
Abstract
The United States is in the midst of an opioid addiction and overdose crisis precipitated and exacerbated by use of prescription opioid medicines. The majority of opioid prescriptions are dispensed to patients with comorbid mood disorders including major depressive disorder (MDD). A growing body of research indicates that the endogenous opioid system is directly involved in the regulation of mood and is dysregulated in MDD. This involvement of the endogenous opioid system may underlie the disproportionate use of opioids among patients with mood disorders. Emerging approaches to address endogenous opioid dysregulation in MDD may yield novel therapeutics that have a low or absent risk of abuse and addiction relative to µ-opioid agonists. Moreover, agents targeting the endogenous opioid system would be expected to yield clinical benefits qualitatively different from conventional monaminergic antidepressants. The development of safe and effective agents to treat MDD-associated endogenous opioid dysregulation may represent a distinct and currently underappreciated means of addressing treatment resistant depression with the potential to attenuate the on-going opioid crisis.
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Affiliation(s)
- Marta Peciña
- 0000 0004 1936 9000grid.21925.3dDepartment of Psychiatry, University of Pittsburgh, Pittsburgh, PA USA
| | - Jordan F. Karp
- 0000 0004 1936 9000grid.21925.3dDepartment of Psychiatry, University of Pittsburgh, Pittsburgh, PA USA
| | - Sanjay Mathew
- 0000 0001 2160 926Xgrid.39382.33Menninger Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, TX USA
| | | | | | - Jon-Kar Zubieta
- Department of Psychiatry, University of Utah Health Sciences Center, Salt Lake City, UT, USA.
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Lutz PE, Gross JA, Dhir SK, Maussion G, Yang J, Bramoulle A, Meaney MJ, Turecki G. Epigenetic Regulation of the Kappa Opioid Receptor by Child Abuse. Biol Psychiatry 2018; 84:751-761. [PMID: 28886759 DOI: 10.1016/j.biopsych.2017.07.012] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Revised: 06/14/2017] [Accepted: 07/14/2017] [Indexed: 12/11/2022]
Abstract
BACKGROUND Experiences of abuse and neglect during childhood are major predictors of the emergence of depressive and suicidal behaviors throughout life. The underlying biological mechanisms, however, remain poorly understood. Here, we focused on the opioid system as a potential brain substrate mediating these effects. METHODS Postmortem samples from three brain structures regulating social bonds and emotions were analyzed. Groups were constituted of depressed individuals who died by suicide, with or without a history of severe child abuse, and of psychiatrically healthy control subjects. Expression of opioid peptides and receptors was measured using real-time polymerase chain reaction. DNA methylation, a major epigenetic mark, was investigated using targeted bisulfite sequencing and characterized at functional level using in vitro reporter assays. Finally, oxidative bisulfite sequencing was used to differentiate methylation and hydroxymethylation of DNA. RESULTS A history of child abuse specifically associated in the anterior insula with a downregulation of the kappa opioid receptor (Kappa), as well as decreased DNA methylation in the second intron of the Kappa gene. In vitro assays further showed that this intron functions as a genomic enhancer where glucocorticoid receptor binding regulates Kappa expression, unraveling a new mechanism mediating the well-established interactions between endogenous opioids and stress. Finally, results showed that child abuse is associated in the Kappa intron with a selective reduction in levels of DNA hydroxymethylation, likely mediating the observed downregulation of the receptor. CONCLUSIONS Altogether, our findings uncover new facets of Kappa physiology, whereby this receptor may be epigenetically regulated by stressful experiences, in particular as a function of early social life.
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Affiliation(s)
- Pierre-Eric Lutz
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3
| | - Jeffrey A Gross
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3
| | - Sabine K Dhir
- Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3
| | - Gilles Maussion
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3
| | - Jennie Yang
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3
| | - Alexandre Bramoulle
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3
| | - Michael J Meaney
- Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3
| | - Gustavo Turecki
- McGill Group for Suicide Studies, Douglas Mental Health University Institute, McGill University, Verdun, Quebec, Canada. H4H 1R3.
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Greenwald MK. Anti-stress neuropharmacological mechanisms and targets for addiction treatment: A translational framework. Neurobiol Stress 2018; 9:84-104. [PMID: 30238023 PMCID: PMC6138948 DOI: 10.1016/j.ynstr.2018.08.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 07/30/2018] [Accepted: 08/10/2018] [Indexed: 12/18/2022] Open
Abstract
Stress-related substance use is a major challenge for treating substance use disorders. This selective review focuses on emerging pharmacotherapies with potential for reducing stress-potentiated seeking and consumption of nicotine, alcohol, marijuana, cocaine, and opioids (i.e., key phenotypes for the most commonly abused substances). I evaluate neuropharmacological mechanisms in experimental models of drug-maintenance and relapse, which translate more readily to individuals presenting for treatment (who have initiated and progressed). An affective/motivational systems model (three dimensions: valence, arousal, control) is mapped onto a systems biology of addiction approach for addressing this problem. Based on quality of evidence to date, promising first-tier neurochemical receptor targets include: noradrenergic (α1 and β antagonist, α2 agonist), kappa-opioid antagonist, nociceptin antagonist, orexin-1 antagonist, and endocannabinoid modulation (e.g., cannabidiol, FAAH inhibition); second-tier candidates may include corticotropin releasing factor-1 antagonists, serotonergic agents (e.g., 5-HT reuptake inhibitors, 5-HT3 antagonists), glutamatergic agents (e.g., mGluR2/3 agonist/positive allosteric modulator, mGluR5 antagonist/negative allosteric modulator), GABA-promoters (e.g., pregabalin, tiagabine), vasopressin 1b antagonist, NK-1 antagonist, and PPAR-γ agonist (e.g., pioglitazone). To address affective/motivational mechanisms of stress-related substance use, it may be advisable to combine agents with actions at complementary targets for greater efficacy but systematic studies are lacking except for interactions with the noradrenergic system. I note clinically-relevant factors that could mediate/moderate the efficacy of anti-stress therapeutics and identify research gaps that should be pursued. Finally, progress in developing anti-stress medications will depend on use of reliable CNS biomarkers to validate exposure-response relationships.
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Affiliation(s)
- Mark K. Greenwald
- Department of Psychiatry and Behavioral Neurosciences, School of Medicine, Department of Pharmacy Practice, Eugene Applebaum College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, 48201, USA
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Ahmadi J, Jahromi MS, Ehsaei Z. The effectiveness of different singly administered high doses of buprenorphine in reducing suicidal ideation in acutely depressed people with co-morbid opiate dependence: a randomized, double-blind, clinical trial. Trials 2018; 19:462. [PMID: 30157924 PMCID: PMC6114789 DOI: 10.1186/s13063-018-2843-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 08/06/2018] [Indexed: 01/17/2023] Open
Abstract
BACKGROUND Buprenorphine is usually administered to treat opioid use disorder and pain syndromes. This research presents the first study regarding the effectiveness of different singly administered high doses of buprenorphine (a partial opioid agonist (of μ-opioid receptors), a potent opioid antagonist (of κ-receptors) and a partial agonist of nociception receptors) in reducing suicidal ideation in acutely depressed people with co-morbid opiate dependence. It follows small studies that suggest that ultra-low-dose buprenorphine may be useful in reducing suicidal ideation. The goal of this study was to describe the outcome of different doses of buprenorphine on suicidal opioid-dependent patients over a 3-day interval, by conducting a randomized clinical trial. METHODS Fifty-one suicidal male inpatients who fulfilled the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5) criteria for both opioid dependence and major depressive disorder were randomized to three groups (n = 17 per group) to receive a single, sublingual dose of buprenorphine (32 mg, 64 mg, or 96 mg). Out of 51 participants, there were 47 patients; 16 (34.04%) received 32 mg, 17 (36.17%) received 64 mg, and 14 (29.78%) received 96 mg of sublingual buprenorphine. They were evaluated by using psychometric assessment of the Beck Scale for Suicidal Ideation (BSSI) and interviews based on DSM-5 criteria. A placebo group was not included because of the high probability of severe withdrawal without active pharmacological treatment. The study was conducted with appropriate precautions and monitoring of respiratory and cardiovascular measures. The medication was administered while the patients were in moderate opiate withdrawal, as indicated by the presence of four to five withdrawal symptoms. A structured clinical interview was conducted, and urine toxicology testing was performed. RESULTS Patients completed the 3-day trial course. The outcomes illustrated a significant reduction in BSSI scores within each of the three groups, p < 0.01., but no difference in results between the groups, p = 0.408. CONCLUSIONS The results suggest that a single high dose of buprenorphine could rapidly treat suicidal ideations. A single high dose of buprenorphine may be a main-mechanism medication that gives a rapid treatment for suicidal opioid-dependent patients. Placebo-controlled trials are required to measure the safety and the physiological and psychological effects of this medication.
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Affiliation(s)
- Jamshid Ahmadi
- Substance Abuse Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | | | - Zahra Ehsaei
- Substance Abuse Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
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Bidlack JM, Knapp BI, Deaver DR, Plotnikava M, Arnelle D, Wonsey AM, Fern Toh M, Pin SS, Namchuk MN. In Vitro Pharmacological Characterization of Buprenorphine, Samidorphan, and Combinations Being Developed as an Adjunctive Treatment of Major Depressive Disorder. J Pharmacol Exp Ther 2018; 367:267-281. [PMID: 30108159 DOI: 10.1124/jpet.118.249839] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 08/01/2018] [Indexed: 12/19/2022] Open
Abstract
A combination of buprenorphine (BUP) and samidorphan (SAM) at a 1:1 (mg/mg) fixed-ratio dose is being investigated as an adjunctive treatment of major depressive disorder (BUP/SAM, ALKS 5461). Both [3H]BUP and [3H]SAM bound to the μ-, κ-, and δ-opioid receptors (MOR, KOR, and DOR, respectively) with Kd values of 3 nM or less. [3H]BUP dissociated from the MOR more slowly than [3H]SAM did. In the [35S]GTPγS assay, BUP was a partial agonist at the MOR, KOR, and DOR. SAM was an antagonist at the MOR and a partial agonist at the KOR and DOR. The pharmacology of the combination of SAM and BUP was characterized at ratios like the molar ratios of both compounds at steady state in humans. In all assessments, SAM reduced the efficacy of BUP at the MOR without altering its potency. At the KOR, SAM had no significant effect on the activity of BUP. In bioluminescent resonance energy transfer assays, SAM, naltrexone, and naloxone were partial agonists when the MOR was coupled to the Gα oB and Gα z, and were antagonists when coupled to Gα i At the KOR, SAM was a partial agonist activating Gα oA and Gα oB and a full agonist in stimulating Gα z SAM inhibited BUP's recruitment of β-arrestin to the MOR, suggesting an attenuation of BUP's efficacy in activating G proteins correlated with an inhibition of β-arrestin recruitment. The collective data suggest that SAM attenuates the efficacy of BUP under all conditions tested at the MOR and DOR but had little effect on BUP activity at the KOR.
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Affiliation(s)
- Jean M Bidlack
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - Brian I Knapp
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - Daniel R Deaver
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - Margarita Plotnikava
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - Derrick Arnelle
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - Angela M Wonsey
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - May Fern Toh
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - Sokhom S Pin
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
| | - Mark N Namchuk
- Department of Pharmacology and Physiology, University of Rochester, School of Medicine and Dentistry, Rochester, New York (J.M.B., B.I.K.) and Alkermes, Inc., Waltham, Massachusetts (D.R.D., M.P., D.A., A.M.W., M.F.T., S.S.P., M.N.N.)
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7β-Methyl substituent is a structural locus associated with activity cliff for nepenthone analogues. Bioorg Med Chem 2018; 26:4254-4263. [DOI: 10.1016/j.bmc.2018.07.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 07/08/2018] [Accepted: 07/11/2018] [Indexed: 02/07/2023]
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Günther T, Dasgupta P, Mann A, Miess E, Kliewer A, Fritzwanker S, Steinborn R, Schulz S. Targeting multiple opioid receptors - improved analgesics with reduced side effects? Br J Pharmacol 2018; 175:2857-2868. [PMID: 28378462 PMCID: PMC6016677 DOI: 10.1111/bph.13809] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/24/2017] [Accepted: 03/15/2017] [Indexed: 01/12/2023] Open
Abstract
Classical opioid analgesics, including morphine, mediate all of their desired and undesired effects by specific activation of the μ-opioid receptor (μ receptor). The use of morphine for treating chronic pain, however, is limited by the development of constipation, respiratory depression, tolerance and dependence. Analgesic effects can also be mediated through other members of the opioid receptor family such as the κ-opioid receptor (κ receptor), δ-opioid receptor (δ receptor) and the nociceptin/orphanin FQ peptide receptor (NOP receptor). Currently, a new generation of opioid analgesics is being developed that can simultaneously bind with high affinity to multiple opioid receptors. With this new action profile, it is hoped that additional analgesic effects and fewer side effects can be achieved. Recent research is mainly focused on the development of bifunctional μ/NOP receptor agonists, which has already led to novel lead structures such as the spiroindole-based cebranopadol and a compound class with a piperidin-4-yl-1,3-dihydroindol-2-one backbone (SR16835/AT-202 and SR14150/AT-200). In addition, the ornivol BU08028 is an analogue of the clinically well-established buprenorphine. Moreover, the morphinan-based nalfurafine exerts its effect with a dominant κ receptor-component and is therefore utilized in the treatment of pruritus. The very potent dihydroetorphine is a true multi-receptor opioid ligand in that it binds to μ, κ and δ receptors. The main focus of this review is to assess the paradigm of opioid ligands targeting multiple receptors with a single chemical entity. We reflect on this rationale by discussing the biological actions of particular multi-opioid receptor ligands, but not on their medicinal chemistry and design. LINKED ARTICLES This article is part of a themed section on Emerging Areas of Opioid Pharmacology. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v175.14/issuetoc.
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Affiliation(s)
- Thomas Günther
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
| | - Pooja Dasgupta
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
| | - Anika Mann
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
| | - Elke Miess
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
| | - Andrea Kliewer
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
| | - Sebastian Fritzwanker
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
| | - Ralph Steinborn
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
| | - Stefan Schulz
- Institute of Pharmacology and ToxicologyJena University Hospital, Friedrich‐Schiller‐UniversityJenaGermany
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Peckham AM, De La Cruz A, Dufresne RL. Kappa opioid receptor antagonism: Are opioids the answer for treatment resistant depression? Ment Health Clin 2018; 8:175-183. [PMID: 30155392 PMCID: PMC6063454 DOI: 10.9740/mhc.2018.07.175] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Introduction: Past trials of buprenorphine (BUP) in the treatment of major depressive disorder (MDD) have displayed favorable results, although its clinical utility was limited by the risk of abuse or physical dependence. By combining BUP with samidorphan (SAM), the euphoric high is negated by an opposing mechanism, which theoretically reduces addictive-like properties while allowing the antidepressant properties to remain. As such, the objective of this article is to analyze the results of BUP/SAM premarketing clinical trials as adjunctive treatment for treatment-resistant MDD. Methods: A comprehensive PubMed/MEDLINE search was conducted through November 9, 2017, using the following search terms: depression, samidorphan, buprenorphine, ALKS-5461. Additional data were obtained from Clinicaltrials.gov and resources included in the present study. All English-language clinical trials evaluating the combination of BUP/SAM in the treatment of MDD were included. Results: A few premarketing studies have evaluated the efficacy and safety of BUP/SAM combination as adjunctive treatment in patients with treatment-resistant MDD. The FORWARD-1 through FORWARD-5 trials concluded (1) the most effective dosing ratio of BUP/SAM to reduce abuse potential was 1:1; (2) statistically significant changes in scores from baseline on the Montgomery-Asberg Depression Rating Scale were noted for the 2 mg/2 mg dose compared with placebo; and (3) the most commonly reported adverse effects were nausea, dizziness, and fatigue. Discussion: Buprenorphine/samidorphan has shown favorable results for efficacy and tolerability in premarketing studies evaluating its use as adjunctive therapy for treatment-resistant MDD. Its novel mechanism targeting the opioid pathway may serve as a promising antidepressant devoid of abuse potential.
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Affiliation(s)
- Alyssa M Peckham
- (Corresponding author) Clinical Assistant Professor, Northeastern University, Bouve College of Health Sciences, School of Pharmacy; Clinical Addiction Pharmacist, Massachusetts General Hospital, Boston, Massachusetts,
| | - Austin De La Cruz
- Clinical Assistant Professor, Department of Pharmacy Practice and Translational Research, University of Houston College of Pharmacy, Houston, Texas
| | - Robert L Dufresne
- Professor of Pharmacy and INBRE Behavioral Science Coordinator, Department of Pharmacy Practice, University of Rhode Island College of Pharmacy, Kingston, Rhode Island
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Bershad AK, Miller MA, Norman GJ, de Wit H. Effects of opioid- and non-opioid analgesics on responses to psychosocial stress in humans. Horm Behav 2018; 102:41-47. [PMID: 29673620 PMCID: PMC6004330 DOI: 10.1016/j.yhbeh.2018.04.009] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 02/27/2018] [Accepted: 04/13/2018] [Indexed: 12/21/2022]
Abstract
Both preclinical and clinical evidence suggests that the endogenous opioid system is involved in responses to stress. For example, in animal models opioid agonists reduce isolation distress whereas opioid antagonists increase isolation distress. We recently reported that the mixed mu agonist and kappa antagonist buprenorphine dampened responses to acute psychosocial stress in humans. Now we extend this to study the effects of a pure mu-opioid agonist, hydromorphone, and a non-opioid analgesic, acetaminophen, on response to social stress. We compared the effect of hydromorphone (2 and 4 mg), acetaminophen (1000 mg) to a placebo using a between subject design. Healthy adult volunteers were randomly assigned to receive placebo (N = 13), 2 mg hydromorphone (N = 12), 4 mg hydromorphone (N = 12), or 1000 mg acetaminophen (paracetamol; N = 13) under double-blind conditions before undergoing a stress task or a control task on two separate sessions. The stress task, consisting of a standardized speaking task and the non-stressful control task were presented in counterbalanced order. Dependent measures included mood ratings, subjective appraisal of the stress (or no-stress) task, salivary cortisol, pupil diameter, heart rate, and blood pressure. The stress task produced its expected increase in heart rate, blood pressure, salivary cortisol, pupil diameter, and subjective ratings of anxiety and negative mood. Hydromorphone dose-dependently dampened cortisol responses to stress, and decreased ratings of how "challenging" participants found the task. Acetaminophen did not affect physiological responses, but, like hydromorphone, decreased ratings of how "challenging" the task was. The hydromorphone results support the idea that the mu-opioid system is involved in physiological responses to acute stress in humans, in line with results from preclinical studies. The non-opioid analgesic acetaminophen did not dampen physiological responses, but did reduce some components of psychological stress. It remains to be determined how both opioid and non-opioid systems mediate the complex physiological and psychological responses to social stress.
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Affiliation(s)
- Anya K Bershad
- Interdisciplinary Scientist Training Program, University of Chicago, Chicago, IL, USA; Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA
| | - Melissa A Miller
- Interdisciplinary Scientist Training Program, University of Chicago, Chicago, IL, USA
| | - Greg J Norman
- Department of Psychology, University of Chicago, Chicago, IL, USA
| | - Harriet de Wit
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL, USA.
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Bailey S, Husbands S. Targeting opioid receptor signaling in depression: do we need selective κ opioid receptor antagonists? Neuronal Signal 2018; 2:NS20170145. [PMID: 32714584 PMCID: PMC7373229 DOI: 10.1042/ns20170145] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 04/13/2018] [Accepted: 04/13/2018] [Indexed: 12/15/2022] Open
Abstract
The opioid receptors are a family of G-protein coupled receptors (GPCRs) with close structural homology. The opioid receptors are activated by a variety of endogenous opioid neuropeptides, principally β-endorphin, dynorphins, leu- and met-enkephalins. The clinical potential of targeting opioid receptors has largely focused on the development of analgesics. However, more recent attention has turned to the role of central opioid receptors in the regulation of stress responses, anhedonia and mood. Activation of the κ opioid receptor (KOP) subtype has been shown in both human and rodent studies to produce dysphoric and pro-depressive like effects. This has led to the idea that selective KOP antagonists might have therapeutic potential as antidepressants. Here we review data showing that mixed μ opioid (MOP) and KOP antagonists have antidepressant-like effects in rodent behavioural paradigms and highlight comparable studies in treatment-resistant depressed patients. We propose that developing multifunctional ligands which target multiple opioid receptors open up the potential for fine-tuning hedonic responses mediated by opioids. This alternative approach towards targeting multiple opioid receptors may lead to more effective treatments for depression.
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Affiliation(s)
- Sarah J. Bailey
- Drug and Target Discovery, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath BA2 7AY, U.K
| | - Stephen M. Husbands
- Drug and Target Discovery, Department of Pharmacy and Pharmacology, University of Bath, Claverton Down, Bath BA2 7AY, U.K
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42
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Medication Treatments for Opioid Use Disorder: What Is the Impact on Mood and Mood Disorders? CURRENT ADDICTION REPORTS 2018. [DOI: 10.1007/s40429-018-0215-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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43
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Steenbergen PJ. Response of zebrafish larvae to mild electrical stimuli: A 96-well setup for behavioural screening. J Neurosci Methods 2018. [DOI: 10.1016/j.jneumeth.2018.03.002] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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44
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Lê AD, Funk D, Coen K, Tamadon S, Shaham Y. Role of κ-Opioid Receptors in the Bed Nucleus of Stria Terminalis in Reinstatement of Alcohol Seeking. Neuropsychopharmacology 2018; 43:838-850. [PMID: 28589966 PMCID: PMC5809779 DOI: 10.1038/npp.2017.120] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 05/31/2017] [Accepted: 06/01/2017] [Indexed: 12/21/2022]
Abstract
κ-Opioid receptors (KORs) and their endogenous ligand dynorphin are involved in stress-induced alcohol seeking but the mechanisms involved are largely unknown. We previously showed that systemic injections of the KOR agonist U50,488, which induce stress-like aversive states, reinstate alcohol seeking after extinction of the alcohol-reinforced responding. Here, we used the neuronal activity marker Fos and site-specific injections of the KOR antagonist nor-BNI and U50,488 to study brain mechanisms of U50,488-induced reinstatement of alcohol seeking. We trained male Long-Evans rats to self-administer alcohol (12% w/v) for 23-30 days. After extinction of the alcohol-reinforced responding, we tested the effect of U50,488 (0, 1.25, 2.5, and 5 mg/kg) on reinstatement of alcohol seeking. Next, we correlated regional Fos expression with reinstatement induced by the most effective U50,488 dose (5 mg/kg). Based on the correlational Fos results, we determined the effect of bed nucleus of the stria terminalis (BNST) injections of nor-BNI (4 μg/side) on U50,488-induced reinstatement of alcohol seeking, and reinstatement induced by injections of U50,488 (0, 0.3, 1, and 3 μg/side) into the BNST. U50,488-induced reinstatement of alcohol seeking was associated with increased Fos expression in multiple brain areas, including the BNST, where it was significantly correlated with lever pressing. U50,488-induced reinstatement was blocked by BNST nor-BNI injections, and BNST U50,488 injections partially mimicked the drug's systemic effect on reinstatement. Our data indicate that the BNST is a critical site for U50,488-induced reinstatement of alcohol seeking and suggest that KOR/dynorphin mechanisms in this brain area play a key role in stress-induced alcohol seeking.
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Affiliation(s)
- A D Lê
- Neurobiology of Alcohol Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, ON, Canada
- Department of Psychiatry, University of Toronto, Toronto, ON, Canada
| | - Douglas Funk
- Neurobiology of Alcohol Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Kathleen Coen
- Neurobiology of Alcohol Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Sahar Tamadon
- Neurobiology of Alcohol Laboratory, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto, ON, Canada
| | - Yavin Shaham
- Behavioral Neuroscience Branch, Intramural Research Program, NIDA-NIH, Baltimore, MD, USA
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Laman-Maharg A, Williams AV, Zufelt MD, Minie VA, Ramos-Maciel S, Hao R, Ordoñes Sanchez E, Copeland T, Silverman JL, Leigh A, Snyder R, Carroll FI, Fennell TR, Trainor BC. Sex Differences in the Effects of a Kappa Opioid Receptor Antagonist in the Forced Swim Test. Front Pharmacol 2018; 9:93. [PMID: 29491835 PMCID: PMC5817081 DOI: 10.3389/fphar.2018.00093] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 01/26/2018] [Indexed: 11/13/2022] Open
Abstract
There is growing evidence that kappa opioid receptor (KOR) antagonists could be a useful class of therapeutics for treating depression and anxiety. However, the overwhelming majority of preclinical investigations examining the behavioral effects of KOR antagonists have been in male rodents. Here, we examined the effects of the long-acting KOR antagonist nor-binaltophimine (norBNI) on immobility in the forced swim test in males and females of two different rodent species (C57Bl/6J and California mice). Consistent with previous reports, norBNI (10 mg/kg) decreased immobility in the forced swim test for male C57Bl/6J and California mice. Surprisingly, dose-response studies in female C57Bl/6J and California mice showed that norBNI did not reduce immobility. Pharmacokinetic analyses showed that metabolism and brain concentrations of norBNI were similar in male and female C57Bl/6J. In the nucleus accumbens of male but not female C57Bl/6J, norBNI increased phosphorylation of c-Jun N-terminal kinase (pJNK), a putative mechanism for norBNI action. However, no differences in pJNK were observed in male or female California mice. Together, these results suggest that immobility in the forced swim test is less dependent on endogenous KOR signaling in female rodents and highlight the importance of examining the effects of possible therapeutic agents in both males and females.
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Affiliation(s)
- Abigail Laman-Maharg
- Neuroscience Graduate Group, University of California, Davis, Davis, CA, United States.,Department of Psychology, University of California, Davis, Davis, CA, United States
| | - Alexia V Williams
- Department of Psychology, University of California, Davis, Davis, CA, United States
| | - Mikaela D Zufelt
- Department of Psychology, University of California, Davis, Davis, CA, United States
| | - Vanessa A Minie
- Department of Psychology, University of California, Davis, Davis, CA, United States
| | | | - Rebecca Hao
- Department of Psychology, University of California, Davis, Davis, CA, United States
| | | | - Tiffany Copeland
- Department of Psychology, University of California, Davis, Davis, CA, United States
| | - Jill L Silverman
- MIND Institute, School of Medicine, University of California, Davis, Davis, CA, United States
| | - Angelina Leigh
- Department of Psychology, University of California, Davis, Davis, CA, United States
| | - Rodney Snyder
- Research Triangle Institute, Durham, NC, United States
| | - F Ivy Carroll
- Research Triangle Institute, Durham, NC, United States
| | | | - Brian C Trainor
- Neuroscience Graduate Group, University of California, Davis, Davis, CA, United States.,Department of Psychology, University of California, Davis, Davis, CA, United States
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46
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McHugh KL, Kelly JP. Modulation of the central opioid system as an antidepressant target in rodent models. PROGRESS IN BRAIN RESEARCH 2018; 239:49-87. [DOI: 10.1016/bs.pbr.2018.07.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Bershad AK, Ruiz NA, de Wit H. Effects of Buprenorphine on Responses to Emotional Stimuli in Individuals with a Range of Mood Symptomatology. Int J Neuropsychopharmacol 2017; 21:120-127. [PMID: 29025085 PMCID: PMC5793829 DOI: 10.1093/ijnp/pyx077] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Accepted: 08/31/2017] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND The opioid drug buprenorphine has been shown to modify responses to emotional stimuli and may have antidepressant properties. In preclinical studies, it shows antidepressant-like and anxiolytic-like effects, and a handful of clinical studies suggest it may reduce symptoms of depression in patients. We have shown that low doses of buprenorphine reduce responses to negative emotional stimuli in healthy adults. Here we extended these findings to individuals with symptoms of depression and anxiety. METHODS We examined the effects of buprenorphine on attention to emotional facial expressions and ratings of and psychophysiological responses to emotional images in adults with a range of mood symptomatology. Volunteers (n=38) were recruited with low, mild, moderate, and severe scores on the Depression-Anxiety-Stress Scale. They attended 2 laboratory sessions during which they received either placebo or 0.2 mg sublingual buprenorphine in randomized order under double-blind conditions. During peak drug effect, participants completed a visual attention task assessing responses to emotional faces and a picture-rating task assessing responses to emotional images with and without social content. RESULTS Buprenorphine reduced attention to fearful facial expressions as it did in our previous study, and the emotion-specific effect was especially pronounced in individuals with high Depression-Anxiety-Stress Scale scores. The drug also increased ratings of positivity of images with social content, but this effect was less strong in individuals with higher Depression-Anxiety-Stress Scale scores. CONCLUSIONS These results suggest low doses of buprenorphine may reduce some dimensions of responses to negative emotional stimuli in individuals high on depression or anxiety, while leaving other dimensions unaffected.
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Affiliation(s)
- Anya K Bershad
- Department of Psychiatry and Behavioral Neuroscience, Chicago, Illinois,University of Chicago Interdisciplinary Scientist Training Program, Chicago, Illinois,University of Chicago, Chicago, Illinois
| | - Nicholas A Ruiz
- Department of Psychiatry and Behavioral Neuroscience, Chicago, Illinois
| | - Harriet de Wit
- Department of Psychiatry and Behavioral Neuroscience, Chicago, Illinois,Correspondence: Harriet de Wit, PhD, Department of Psychiatry and Behavioral Neuroscience, University of Chicago, 5841 S. Maryland Ave., MC3077, Chicago, IL 60637 ()
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48
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Rosa SG, Pesarico AP, Tagliapietra CF, da Luz SC, Nogueira CW. Opioid system contribution to the antidepressant-like action of m-trifluoromethyl-diphenyl diselenide in mice: A compound devoid of tolerance and withdrawal syndrome. J Psychopharmacol 2017; 31:1250-1262. [PMID: 28857657 DOI: 10.1177/0269881117724353] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Animal and clinical researches indicate that the opioid system exerts a crucial role in the etiology of mood disorders and is a target for intervention in depression treatment. This study investigated the contribution of the opioid system to the antidepressant-like action of acute or repeated m-trifluoromethyl-diphenyl diselenide administration to Swiss mice. m-Trifluoromethyl-diphenyl diselenide (50 mg/kg, intragastric) produced an antidepressant-like action in the forced swimming test from 30 min to 24 h after treatment. This effect was blocked by the µ and δ-opioid receptor antagonists, naloxonazine (10 mg/kg, intraperitoneally) and naltrindole (3 mg/kg, intraperitoneally), and it was potentiated by a κ-opioid receptor antagonist, norbinaltrophimine (1 mg/kg, subcutaneously ). Combined treatment with subeffective doses of m-trifluoromethyl-diphenyl diselenide (10 mg/kg, intragastric) and morphine (1 mg/kg, subcutaneously) resulted in a synergistic antidepressant-like effect. The opioid system contribution to the m-trifluoromethyl-diphenyl diselenide antidepressant-like action was also demonstrated in the modified tail suspension test, decreasing mouse immobility and swinging time and increasing curling time, results similar to those observed using morphine, a positive control. Treatment with m-trifluoromethyl-diphenyl diselenide induced neither tolerance to the antidepressant-like action nor physical signs of withdrawal, which could be associated with the fact that m-trifluoromethyl-diphenyl diselenide did not change the mouse cortical and hippocampal glutamate uptake and release. m-Trifluoromethyl-diphenyl diselenide treatments altered neither locomotor nor toxicological parameters in mice. These findings demonstrate that m-trifluoromethyl-diphenyl diselenide elicited an antidepressant-like action by direct or indirect μ and δ-opioid receptor activation and the κ-opioid receptor blockade, without inducing tolerance, physical signs of withdrawal and toxicity.
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Affiliation(s)
- Suzan G Rosa
- 1 Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brasil
| | - Ana P Pesarico
- 1 Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brasil
| | - Carolina F Tagliapietra
- 1 Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brasil
| | - Sônia Ca da Luz
- 2 Departamento de Patologia, Universidade Federal de Santa Maria, Santa Maria, Brazil
| | - Cristina W Nogueira
- 1 Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Santa Maria, Santa Maria, Brasil
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49
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Browne CA, Falcon E, Robinson SA, Berton O, Lucki I. Reversal of Stress-Induced Social Interaction Deficits by Buprenorphine. Int J Neuropsychopharmacol 2017; 21:164-174. [PMID: 29020387 PMCID: PMC5793841 DOI: 10.1093/ijnp/pyx079] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 08/22/2017] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Patients with post-traumatic stress disorder frequently report persistent problems with social interactions, emerging after a traumatic experience. Chronic social defeat stress is a widely used rodent model of stress that produces robust and sustained social avoidance behavior. The avoidance of other rodents can be reversed by 28 days of treatment with selective serotonin reuptake inhibitors, the only pharmaceutical class approved by the U.S. Food and Drug Administration for treating post-traumatic stress disorder. In this study, the sensitivity of social interaction deficits evoked by 10 days of chronic social defeat stress to prospective treatments for post-traumatic stress disorder was examined. METHODS The effects of acute and repeated treatment with a low dose of buprenorphine (0.25 mg/kg/d) on social interaction deficits in male C57BL/6 mice by chronic social defeat stress were studied. Another cohort of mice was used to determine the effects of the selective serotonin reuptake inhibitor fluoxetine (10 mg/kg/d), the NMDA antagonist ketamine (10 mg/kg/d), and the selective kappa opioid receptor antagonist CERC-501 (1 mg/kg/d). Changes in mRNA expression of Oprm1 and Oprk1 were assessed in a separate cohort. RESULTS Buprenorphine significantly reversed social interaction deficits produced by chronic social defeat stress following 7 days of administration, but not after acute injection. Treatment with fluoxetine for 7 days, but not 24 hours, also reinstated social interaction behavior in mice that were susceptible to chronic social defeat. In contrast, CERC-501 and ketamine failed to reverse social avoidance. Gene expression analysis found: (1) Oprm1 mRNA expression was reduced in the hippocampus and increased in the frontal cortex of susceptible mice and (2) Oprk1 mRNA expression was reduced in the amygdala and increased in the frontal cortex of susceptible mice compared to non-stressed controls and stress-resilient mice. CONCLUSIONS Short-term treatment with buprenorphine and fluoxetine normalized social interaction after chronic social defeat stress. In concert with the changes in opioid receptor expression produced by chronic social defeat stress, we speculate that buprenorphine's efficacy in this model of post-traumatic stress disorder may be associated with the ability of this compound to engage multiple opioid receptors.
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Affiliation(s)
| | | | | | | | - Irwin Lucki
- Departments of Psychiatry, Philadelphia, Pennsylvania,Systems Pharmacology and Translational Therapeutics, Philadelphia, Pennsylvania,University of Pennsylvania, Philadelphia, Pennsylvania,Correspondence: Irwin Lucki, PhD, Department of Pharmacology and Molecular Therapeutics, Uniformed Services University of the Health Sciences, 4301 Jones Bridge Road, Bethesda, MD 20814 ()
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50
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The effects of methamphetamine and buprenorphine, and their interaction on anxiety-like behavior and locomotion in male rats. Neurosci Lett 2017; 655:172-178. [PMID: 28698151 DOI: 10.1016/j.neulet.2017.04.043] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/20/2017] [Accepted: 04/21/2017] [Indexed: 12/22/2022]
Abstract
Methamphetamine (Meth) abuse and dependence are major global problems. Most of previous studies showed that Meth is anxiogenic. While buprenorphine (Bup) is used to treat anxiety-related behaviors, the effects of Meth in combination with Bup on anxiety-like behavior are unclear. In this study, we examined the effects of these drugs on anxiety-like behavior with the elevated plus maze (EPM) and open field (OF) tests, which are widely used to assess anxiety-like behavior in small rodents. Forty male Wistar rats were divided into four groups: sham, Meth, Bup, and Bup+Meth. The groups were administered their assigned treatments for 7days. The time spent in the open arms, and number of total entries into the arms (total activity) in the EPM were recorded. In addition, locomotor activity and number of entrances into the center area in the OF were recorded. The 7-day administration of Meth or Bup increased open arm exploration in the EPM. In contrast, the combined administration of Bup and Meth had the opposite effects. In addition, Meth and Bup had no effects on total and locomotor activity. Furthermore, the rats in the Meth and Bup groups spent more time in the center of the OF, while the group given both Bup and Meth spent less time in the center of the OF. The administration of Meth and Bup alone was anxiolytic in rats, whereas the coadministration of Bup and Meth was anxiogenic.
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