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Lahtigui O, Forster D, Duchemin C, Cramer N. Enantioselective Access to 3-Azabicyclo[3.1.0]hexanes by Cp xRh III Catalyzed C–H Activation and Cp*Ir III Transfer Hydrogenation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c01827] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Ouidad Lahtigui
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Dan Forster
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Coralie Duchemin
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
| | - Nicolai Cramer
- Laboratory of Asymmetric Catalysis and Synthesis, Institute of Chemical Sciences and Engineering Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015, Switzerland
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2
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Sutton C, Williams EQ, Homsi H, Beerepoot P, Nazari R, Han D, Ramsey AJ, Mash DC, Olson DE, Blough B, Salahpour A. Structure-Activity Relationships of Dopamine Transporter Pharmacological Chaperones. Front Cell Neurosci 2022; 16:832536. [PMID: 35614973 PMCID: PMC9124866 DOI: 10.3389/fncel.2022.832536] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 03/21/2022] [Indexed: 11/13/2022] Open
Abstract
Mutations in the dopamine transporter gene (SLC6A3) have been implicated in many human diseases. Among these is the infantile parkinsonism-dystonia known as Dopamine Transporter Deficiency Syndrome (DTDS). Afflicted individuals have minimal to no functional dopamine transporter protein. This is primarily due to retention of misfolded disease-causing dopamine transporter variants. This results in a variety of severe motor symptoms in patients and the disease ultimately leads to death in adolescence or young adulthood. Though no treatment is currently available, pharmacological chaperones targeting the dopamine transporter have been shown to rescue select DTDS disease-causing variants. Previous work has identified two DAT pharmacological chaperones with moderate potency and efficacy: bupropion and ibogaine. In this study, we carried out structure-activity relationships (SARs) for bupropion and ibogaine with the goal of identifying the chemical features required for pharmacological chaperone activity. Our results show that the isoquinuclidine substituent of ibogaine and its analogs is an important feature for pharmacological chaperone efficacy. For bupropion, the secondary amine group is essential for pharmacological chaperone activity. Lastly, we describe additional ibogaine and bupropion analogs with varying chemical modifications and variable pharmacological chaperone efficacies at the dopamine transporter. Our results contribute to the design and refinement of future dopamine transporter pharmacological chaperones with improved efficacies and potencies.
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Affiliation(s)
- Charles Sutton
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Erin Q. Williams
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Hoomam Homsi
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Pieter Beerepoot
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Reza Nazari
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Dong Han
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Amy J. Ramsey
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Deborah C. Mash
- Departments of Neurology and Molecular and Cellular Pharmacology, University of Miami Miller School of Medicine, Miami, FL, United States
| | - David E. Olson
- Department of Chemistry, College of Letters and Science, University of California, Davis, Davis, CA, United States
- Department of Biochemistry and Molecular Medicine, School of Medicine, University of California, Davis, Davis, CA, United States
- Center for Neuroscience, University of California, Davis, Davis, CA, United States
| | - Bruce Blough
- Center for Drug Discovery, RTI International, North Carolina, NC, United States
| | - Ali Salahpour
- Department of Pharmacology and Toxicology, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
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3
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Park D, Mabunga DFN, Adil KJ, Ryu O, Valencia S, Kim R, Kim HJ, Cheong JH, Kwon KJ, Kim HY, Han SH, Jeon SJ, Shin CY. Synergistic efficacy and diminished adverse effect profile of composite treatment of several ADHD medications. Neuropharmacology 2021; 187:108494. [PMID: 33587920 DOI: 10.1016/j.neuropharm.2021.108494] [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: 05/07/2020] [Revised: 01/05/2021] [Accepted: 02/07/2021] [Indexed: 11/26/2022]
Abstract
Although attention-deficit/hyperactivity disorder (ADHD) is widely studied, problems regarding the adverse effect risks and non-responder problems still need to be addressed. Combination pharmacotherapy using standard dose regimens of existing medication is currently being practiced mainly to augment the therapeutic efficacy of each drug. The idea of combining different pharmacotherapies with different molecular targets to alleviate the symptoms of ADHD and its comorbidities requires scientific evidence, necessitating the investigation of their therapeutic efficacy and the mechanisms underlying the professed synergistic effects. Here, we injected male ICR mice with MK-801 to induce ADHD behavioral condition. We then modeled a "combined drug" using sub-optimal doses of methylphenidate, atomoxetine, and fluoxetine and investigated the combined treatment effects in MK-801-treated mice. No sub-optimal dose monotherapy alleviated ADHD behavioral condition in MK-801-treated mice. However, treatment with the combined drug attenuated the impaired behavior of MK-801-treated animals. Growth impediment, sleep disturbances, or risk of substance abuse were not observed in mice treated subchronically with the combined drugs. Finally, we observed that the combined ADHD drug rescued alterations in p-AKT and p-ERK1/2 levels in the prefrontal cortex and hippocampus, respectively, of MK-801-treated mice. Our results provide experimental evidence of a possible new pharmacotherapy option in ameliorating the ADHD behavioral condition without the expected adverse effects. The detailed mechanism of action underlying the synergistic therapeutic efficacy and reduced adverse reaction by combinatorial drug treatment should be investigated further in future studies.
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Affiliation(s)
- Donghyun Park
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea
| | - Darine Froy N Mabunga
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea
| | - Keremkleroo Jym Adil
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea
| | - Onjeon Ryu
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea
| | - Schley Valencia
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea
| | - Ryeongeun Kim
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hee Jin Kim
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Jae Hoon Cheong
- Uimyung Research Institute for Neuroscience, Department of Pharmacy, Sahmyook University, 815 Hwarangro, Nowon-gu, Seoul, 01795, Republic of Korea
| | - Kyung Ja Kwon
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea
| | - Hahn Young Kim
- Department of Neurology, Konkuk University Medical Center, Center for Geriatric Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Seoul, 05029, Republic of Korea
| | - Seol-Heui Han
- Department of Neurology, Konkuk University Medical Center, Center for Geriatric Neuroscience Research, Institute of Biomedical Science and Technology, Konkuk University School of Medicine, Seoul, 05029, Republic of Korea
| | - Se Jin Jeon
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea; TriNeuro Inc., 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea.
| | - Chan Young Shin
- School of Medicine and Center for Neuroscience Research, Konkuk University, Seoul, 05029, Republic of Korea; TriNeuro Inc., 120 Neungdong-ro, Gwangjin-gu, Seoul, 05029, Republic of Korea.
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Neurotoxicity of antineoplastic drugs: Mechanisms, susceptibility, and neuroprotective strategies. Adv Med Sci 2020; 65:265-285. [PMID: 32361484 DOI: 10.1016/j.advms.2020.04.001] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 12/22/2019] [Accepted: 04/13/2020] [Indexed: 02/06/2023]
Abstract
This review summarizes the adverse effects on the central and/or peripheral nervous systems that may occur in response to antineoplastic drugs. In particular, we describe the neurotoxic side effects of the most commonly used drugs, such as platinum compounds, doxorubicin, ifosfamide, 5-fluorouracil, vinca alkaloids, taxanes, methotrexate, bortezomib and thalidomide. Neurotoxicity may result from direct action of compounds on the nervous system or from metabolic alterations produced indirectly by these drugs, and either the central nervous system or the peripheral nervous system, or both, may be affected. The incidence and severity of neurotoxicity are principally related to the dose, to the duration of treatment, and to the dose intensity, though other factors, such as age, concurrent pathologies, and genetic predisposition may enhance the occurrence of side effects. To avoid or reduce the onset and severity of these neurotoxic effects, the use of neuroprotective compounds and/or strategies may be helpful, thereby enhancing the therapeutic effectiveness of antineoplastic drug.
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Amitifadine, a triple reuptake inhibitor, reduces self-administration of the opiate remifentanil in rats. Psychopharmacology (Berl) 2020; 237:1681-1689. [PMID: 32125484 PMCID: PMC7244379 DOI: 10.1007/s00213-020-05489-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 02/14/2020] [Indexed: 10/24/2022]
Abstract
RATIONALE A variety of neural systems are involved in drug addiction, and some of these systems are shared across different addictive drugs. We have found several different types of drug treatments that successfully reduce nicotine self-administration. OBJECTIVES The current set of studies is the first in a series to determine if drug treatments that have been found to significantly reduce nicotine self-administration would reduce opiate self-administration. METHODS Amitifadine, a triple reuptake inhibitor of dopamine, norepinephrine, and serotonin, was assessed in female Sprague-Dawley rats to determine whether it significantly reduces remifentanil self-administration with either acute or chronic treatment. RESULTS Acutely, amitifadine doses of 5, 10, and 20 mg/kg each significantly reduced remifentanil self-administration. In a chronic study, repeated treatment with 10 mg/kg of amitifadine continued to reduce remifentanil self-administration, even after the cessation of treatment. However, amitifadine was not found to attenuate the rise in remifentanil self-administration with continued access. This study and our earlier one showed that the 10 mg/kg amitifadine dose did not significantly affect food motivated responding. Amitifadine did not attenuate remifentanil-induced antinociception as measured on the hot plate test but extended and maintained antinociceptive effects. CONCLUSIONS These studies show the promise of amitifadine as a treatment for countering opiate self-administration for adjunctive use with opioids for analgesia. Further studies are needed to determine the possible efficacy of amitifadine for combating opiate addiction or preventing it in humans during adjunctive use with opioids for chronic pain.
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Balkrishna A, Sakat SS, Joshi K, Paudel S, Joshi D, Joshi K, Ranjan R, Gupta A, Bhattacharya K, Varshney A. Anti-Inflammatory and Anti-Arthritic Efficacies of an Indian Traditional Herbo-Mineral Medicine "Divya Amvatari Ras" in Collagen Antibody-Induced Arthritis (CAIA) Mouse Model Through Modulation of IL-6/IL-1β/TNF-α/NFκB Signaling. Front Pharmacol 2019; 10:659. [PMID: 31333447 PMCID: PMC6614787 DOI: 10.3389/fphar.2019.00659] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2018] [Accepted: 05/21/2019] [Indexed: 12/28/2022] Open
Abstract
Rheumatoid arthritis (RA) is defined as a chronic autoimmune inflammatory disorder that causes damage to limb joints and progressive injuries to secondary organs. Medical practitioners prescribe Methotrexate (MTX) as standard care medicine for treating RA. However, the long-term application of MTX has shown to have adverse health-related effects. Divya Amvatari Ras (DAR), an Indian Ayurvedic herbo-mineral formulation, has been described in ancient texts to provide relief from RA inflammation associated distress. Therefore, in the present study, we explored the biocompatibility, anti-inflammatory, and anti-arthritic efficacy of DAR using in vivo and in vitro disease models. Using carrageenan (CA)-stimulated Wistar rat paw edema model, we showed a reduction in inflammation-induced paw edema at human equivalent dose of DAR. Anti-rheumatic efficacy of DAR was studied using collagen-antibody cocktail (C-Ab) Induced Arthritis (CAIA) mouse model. The onset of RA in the CAIA mice was determined using parameters such as the increase in arthritis score, and induction of disease associated lesions in the ankle and knee joints, and increase in mechanical and thermal hyperalgesia. Treatment of CAIA animals with a human equivalent dose of DAR significantly reversed the RA-associated pathogenesis. These effects were comparable with the standard of care RA drug, MTX. DAR acted at multiple levels of inflammation associated with RA to reduce progressive pathogenesis. Animal serum biochemistry showed DAR was capable of ameliorating RA induced increase in liver enzyme Alanine Aminotransferase (ALT) and pro-inflammatory cytokine interleukin 6 (IL-6). In the lipopolysaccharide stimulated THP-1 cells, DAR was found to inhibit the release of IL-6, IL-1β, TNF-α, and upstream inflammatory gene regulatory protein, NFκB. The study endorsed the anti-arthritic and anti-inflammatory activity of the Indian Traditional herbo-mineral medicine, DAR. These results also confirm that DAR was highly biocompatible and would show minimal health-related side effects than those associated with standard of care MTX. Taken together, we show that the DAR could be utilized as a promising alternative or complementary therapy for treating rheumatoid arthritis.
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Affiliation(s)
- Acharya Balkrishna
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India.,University of Patanjali, Patanjali Yog Peeth, Haridwar, India
| | - Sachin Shridhar Sakat
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Kheemraj Joshi
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Sandeep Paudel
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Deepika Joshi
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Kamal Joshi
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Ravikant Ranjan
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Abhishek Gupta
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India
| | - Kunal Bhattacharya
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India.,Center for Nanotechnology and Nanotoxicology, Harvard T.H. Chan School of Public Health, Boston, MA, United States
| | - Anurag Varshney
- Drug Discovery and Development Division, Patanjali Research Institute, Haridwar, India.,University of Patanjali, Patanjali Yog Peeth, Haridwar, India
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Herbo-mineral formulation 'Ashwashila' attenuates rheumatoid arthritis symptoms in collagen-antibody-induced arthritis (CAIA) mice model. Sci Rep 2019; 9:8025. [PMID: 31142786 PMCID: PMC6541602 DOI: 10.1038/s41598-019-44485-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Accepted: 05/17/2019] [Indexed: 12/19/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disorder that affects joints of hands and feet and introduces injury in secondary organs such as cardiac tissue. In the present study, we induced RA in male Balb/c mice (CAIA) using collagen-antibody cocktail (C-Ab) and lipopolysaccharide intraperitoneal injections. Induction of RA in the animals was detected through the loss of body weight, food, and water consumption, pedal edema, increased arthritis score of the paw and ankle, increase in radiological and histological lesion score of ankle and knee joints and enhanced pain perception in the C-Ab induced RA animals. Ashwashila is a herbo-mineral medicine from Indian Ayurvedic system. Human equivalent doses of Ashwashila (ASHW) and standard of care, Methotrexate were given to the CAIA animals for two weeks. ASHW treatment significantly reversed the effect of C-Ab with reduced pedal edema, arthritis score, radiological and histological lesion scores in ankle-joint, knee-joint and articular cartilage, reduced pain perception. These effects were comparable with the Methotrexate treatment. In human monocytic (THP-1) cells, ASHW was found to be biocompatible at in-vitro test doses. The anti-arthritis mechanism of action for ASHW was established through the suppression of pro-inflammatory cytokines such as IL-1β, IL-6, TNF-α; and upstream regulator, NF-κB. Taken together, we show the pre-clinical efficacy of ASHW in reducing RA associated symptoms by controlling inflammation and suggest it as a potential therapeutic candidate for rheumatoid arthritis.
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9
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Abstract
PURPOSE OF REVIEW To provide an overview on drug targets and emerging pharmacological treatment options for chronic pain. RECENT FINDINGS Chronic pain poses an enormous socioeconomic burden for the more than 30% of people who suffer from it, costing over $600 billion per year in the USA. In recent years, there has been a surge in preclinical and clinical research endeavors to try to stem this epidemic. Preclinical studies have identified a wide array of potential targets, with some of the most promising translational research being performed on novel opioid receptors, cannabinoid receptors, selective ion channel blockers, cytokine inhibitors, nerve growth factor inhibitors, N-methyl-D-aspartate receptor antagonists, glial cell inhibitors, and bisphosphonates. SUMMARY There are many obstacles for the development of effective medications to treat chronic pain, including the inherent challenges in identifying pathophysiological mechanisms, the overlap and multiplicity of pain pathways, and off-target adverse effects stemming from the ubiquity of drug target receptor sites and the lack of highly selective receptor ligands. Despite these barriers, the number and diversity of potential therapies have continued to grow, to include disease-modifying and individualized drug treatments.
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Hache G, Guiard BP, Nguyen TH, Quesseveur G, Gardier AM, Peters D, Munro G, Coudoré F. Antinociceptive activity of the new triple reuptake inhibitor NS18283 in a mouse model of chemotherapy-induced neuropathic pain. Eur J Pain 2015; 19:322-33. [PMID: 25045036 DOI: 10.1002/ejp.550] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2014] [Indexed: 01/11/2023]
Abstract
BACKGROUND Chronic neuropathic pain can lead to anxiety and depression. Drugs that block reuptake of serotonin, norepinephrine and/or dopamine are widely used to treat depression, and have emerged as useful drugs in the treatment of neuropathic pain. This study compared the acute antinociceptive effects of NS18283, a novel triple monoamine reuptake inhibitor (MRI) with indatraline, venlafaxine and escitalopram in a mouse model of neuropathic pain. METHOD Neuropathic pain-like behaviours were induced in mice by repeated injections of oxaliplatin (OXA), and assessed using the von Frey hair test, the cold plate test and the thermal preference plate test. Anxio/depressive phenotype and antidepressant-like properties of compounds were assessed by the novelty suppressed feeding test and the tail suspension test, respectively. RESULTS In vivo microdialysis experiments showed that each MRI increased extracellular serotonin, norepinephrine and/or dopamine levels in the cingulate cortex, in agreement with their in vitro reuptake inhibitory properties. Indatraline (3 mg/kg) reversed the full repertoire of OXA-induced neuropathic hypersensitivity. NS18283 (10 mg/kg) reversed OXA-induced mechano-hypersensitivity and cold allodynia. Venlafaxine (16 mg/kg) and escitalopram (4 mg/kg) only reversed cold allodynia and mechano-hypersensitivity, respectively. All MRIs produced antidepressant-like activity in anxio/depressive phenotype of OXA mice. CONCLUSIONS Acute administration of drugs that enhance the activity of serotonin, norepinephrine and dopamine neurotransmission within nociceptive pathways may provide a broader spectrum of antinociception than dual or selective reuptake inhibitors in animal models of neuropathic pain. Whether similar observations would occur after repeated administration of such compounds in an attempt to simulate dosing in humans, or be compromised by dopaminergic-mediated adverse effects warrants further investigation.
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Affiliation(s)
- G Hache
- Faculty of Pharmacy, Paris Sud University, Châtenay-Malabry Cedex, France
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Sharma H, Santra S, Dutta A. Triple reuptake inhibitors as potential next-generation antidepressants: a new hope? Future Med Chem 2015; 7:2385-406. [PMID: 26619226 PMCID: PMC4976848 DOI: 10.4155/fmc.15.134] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The current therapy for depression is less than ideal with remission rates of only 25-35% and a slow onset of action with other associated side effects. The persistence of anhedonia originating from depressed dopaminergic activity is one of the most treatment-resistant symptoms of depression. Therefore, it has been hypothesized that triple reuptake inhibitors (TRIs) with potency to block dopamine reuptake in addition to serotonin and norepinephrine transporters should produce higher efficacy. The current review comprehensively describes the development of TRIs and discusses the importance of evaluation of in vivo transporter occupancy of TRIs, which should correlate with efficacy in humans.
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Affiliation(s)
- Horrick Sharma
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI 48202, USA
| | - Soumava Santra
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI 48202, USA
| | - Aloke Dutta
- Department of Pharmaceutical Sciences, Wayne State University, Detroit, MI 48202, USA
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Lindemann L, Porter RH, Scharf SH, Kuennecke B, Bruns A, von Kienlin M, Harrison AC, Paehler A, Funk C, Gloge A, Schneider M, Parrott NJ, Polonchuk L, Niederhauser U, Morairty SR, Kilduff TS, Vieira E, Kolczewski S, Wichmann J, Hartung T, Honer M, Borroni E, Moreau JL, Prinssen E, Spooren W, Wettstein JG, Jaeschke G. Pharmacology of Basimglurant (RO4917523, RG7090), a Unique Metabotropic Glutamate Receptor 5 Negative Allosteric Modulator in Clinical Development for Depression. J Pharmacol Exp Ther 2015; 353:213-33. [DOI: 10.1124/jpet.114.222463] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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Haduch A, Bromek E, Kot M, Kamińska K, Gołembiowska K, Daniel WA. The cytochrome P450 2D-mediated formation of serotonin from 5-methoxytryptamine in the brain in vivo
: a microdialysis study. J Neurochem 2015; 133:83-92. [DOI: 10.1111/jnc.13031] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Accepted: 12/26/2014] [Indexed: 01/14/2023]
Affiliation(s)
- Anna Haduch
- Institute of Pharmacology; Polish Academy of Sciences; Kraków Poland
| | - Ewa Bromek
- Institute of Pharmacology; Polish Academy of Sciences; Kraków Poland
| | - Marta Kot
- Institute of Pharmacology; Polish Academy of Sciences; Kraków Poland
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Kot M, Sadakierska-Chudy A, Haduch A, Rysz M, Bromek E, Gołembiowska K, Daniel WA. The role of the dorsal noradrenergic pathway of the brain (locus coeruleus) in the regulation of liver cytochrome P450 activity. Eur J Pharmacol 2015; 751:34-41. [PMID: 25637782 DOI: 10.1016/j.ejphar.2015.01.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Revised: 01/08/2015] [Accepted: 01/14/2015] [Indexed: 01/16/2023]
Abstract
Our previous study conducted after intracerebroventricular DSP-4 injection showed an important stimulating role of a brain noradrenergic system in the neuroendocrine regulation of liver cytochrome P450 (CYP) expression. The aim of the present research was to study involvement of the dorsal noradrenergic pathway of the brain (originating from the locus coeruleus) in the expression of liver cytochrome P450. The experiment was carried out on male Wistar rats. Local injection of 6-hydroxydopamine to the locus coeruleus selectively decreased noradrenaline level in the brain (e.g. in the hypothalamus). The serum concentration of the growth hormone rose, while that of the thyroid hormones or corticosterone remained unchanged. A comparative study into cytochrome P450 isoform activity revealed significant increases in the activity of liver CYP2C11 and CYP3A after administration of 6-hydroxydopamine. The observed increase in the activity of CYP2C11 positively correlated with that in CYP protein level, while the enhanced activity of CYP3A was not accompanied with a simultaneous change in the enzyme protein. A 5-day-injection of noradrenaline into the lateral ventricles produced opposite effects on the CYP isoforms. It is concluded that damage to or activation of the dorsal noradrenergic innervation of the periventricular nucleus of the hypothalamus containing somatostatin (a growth hormone release-inhibiting factor) may be responsible for the changes observed in the activity of isoforms CYP2C11 and CYP3A that are regulated by the growth hormone. The obtained results indicate that the dorsal noradrenergic pathway plays an inhibitory (but not a crucial) role in the neuroendocrine regulation of cytochrome P450.
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Affiliation(s)
- Marta Kot
- Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | | | - Anna Haduch
- Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | - Marta Rysz
- Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | - Ewa Bromek
- Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | - Krystyna Gołembiowska
- Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland
| | - Wladyslawa A Daniel
- Institute of Pharmacology, Polish Academy of Sciences, Smętna 12, 31-343 Kraków, Poland.
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Hsu E, Murphy S, Chang D, Cohen SP. Expert opinion on emerging drugs: chronic low back pain. Expert Opin Emerg Drugs 2014; 20:103-27. [DOI: 10.1517/14728214.2015.993379] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Bolleddula J, DeMent K, Driscoll JP, Worboys P, Brassil PJ, Bourdet DL. Biotransformation and bioactivation reactions of alicyclic amines in drug molecules. Drug Metab Rev 2014; 46:379-419. [DOI: 10.3109/03602532.2014.924962] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Chopra K, Arora V. An intricate relationship between pain and depression: clinical correlates, coactivation factors and therapeutic targets. Expert Opin Ther Targets 2013; 18:159-76. [PMID: 24295272 DOI: 10.1517/14728222.2014.855720] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
INTRODUCTION An apparent clinical relationship between pain and depression has long been recognized, which makes an enormous impact on the individual health care. At present, the practical implication of such overlapping symptomatology between pain and depression is not clear, but the prevalence estimates for depression are substantially inflated among patients with chronic pain and vice versa. This interaction has been labeled as the depression-pain syndrome or depression-pain dyad. AREAS COVERED This article discusses the neurobiological substrates and neuroanatomical pathways involved in pain-depression dyad along with newer therapeutic targets. EXPERT OPINION Several key themes emerged from our review of the relationship between depression and pain. First, the diagnosis of depression in pain or vice versa is particularly challenging, and the development of better diagnostic framework that involves both pain and depression is particularly required. Secondly, the entwined relationship between pain and depression supports the possibility of common coactivating factors that results in their neurophysiological overlap. A broad understanding of the role played by the central nervous system (CNS) in the processing of pain and depression may eventually lead to the introduction of triple reuptake inhibitors, agomelatine, vilazodone and ketamine with novel mechanism of action, hence appear to be of promising potential for pain with depression.
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Affiliation(s)
- Kanwaljit Chopra
- Panjab University, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Study, Pharmacology Research Laboratory , Chandigarh-160 014 , India +91 172 2534105 ; +91 172 2541142 ;
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Bromek E, Wójcikowski J, Daniel WA. Involvement of the paraventricular (PVN) and arcuate (ARC) nuclei of the hypothalamus in the central noradrenergic regulation of liver cytochrome P450. Biochem Pharmacol 2013; 86:1614-20. [DOI: 10.1016/j.bcp.2013.09.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 09/09/2013] [Accepted: 09/10/2013] [Indexed: 02/08/2023]
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Shao L, Li W, Xie Q, Yin H. Triple reuptake inhibitors: a patent review (2006 – 2012). Expert Opin Ther Pat 2013; 24:131-54. [DOI: 10.1517/13543776.2014.859676] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
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Sadakierska-Chudy A, Haduch A, Rysz M, Gołembiowska K, Daniel WA. The role of brain noradrenergic system in the regulation of liver cytochrome P450 expression. Biochem Pharmacol 2013; 86:800-7. [DOI: 10.1016/j.bcp.2013.07.017] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2013] [Revised: 07/12/2013] [Accepted: 07/15/2013] [Indexed: 12/19/2022]
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Comley RA, Salinas CA, Slifstein M, Petrone M, Marzano C, Bennacef I, Shotbolt P, Van der Aart J, Neve M, Iavarone L, Gomeni R, Laruelle M, Gray FA, Gunn RN, Rabiner EA. Monoamine transporter occupancy of a novel triple reuptake inhibitor in baboons and humans using positron emission tomography. J Pharmacol Exp Ther 2013; 346:311-7. [PMID: 23685546 DOI: 10.1124/jpet.112.202895] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The selection of a therapeutically meaningful dose of a novel pharmaceutical is a crucial step in drug development. Positron emission tomography (PET) allows the in vivo estimation of the relationship between the plasma concentration of a drug and its target occupancy, optimizing dose selection and reducing the time and cost of early development. Triple reuptake inhibitors (TRIs), also referred to as serotonin-norepinephrine-dopamine reuptake inhibitors, enhance monoaminergic neurotransmission by blocking the action of the monoamine transporters, raising extracellular concentrations of those neurotransmitters. GSK1360707 [(1R,6S)-1-(3,4-dichlorophenyl)-6-(methoxymethyl)-4-azabicyclo[4.1.0]heptane] is a novel TRI that until recently was under development for the treatment of major depressive disorder; its development was put on hold for strategic reasons. We present the results of an in vivo assessment of the relationship between plasma exposure and transporter blockade (occupancy). Studies were performed in baboons (Papio anubis) to determine the relationship between plasma concentration and occupancy of brain serotonin reuptake transporter (SERT), dopamine reuptake transporter (DAT), and norepinephrine uptake transporter (NET) using the radioligands [(11)C]DASB [(N,N-dimethyl-2-(2-amino-4-cyanophenylthio) benzylamine], [(11)C]PE2I [N-(3-iodoprop-2E-enyl)-2β-carbomethoxy-3β-(4-methylphenyl)nortropane], and [(11)C]2-[(2-methoxyphenoxy)phenylmethyl]morpholine (also known as [(11)C]MRB) and in humans using [(11)C]DASB and [(11)C]PE2I. In P. anubis, plasma concentrations resulting in half-maximal occupancy at SERT, DAT, and NET were 15.16, 15.56, and 0.97 ng/ml, respectively. In humans, the corresponding values for SERT and DAT were 6.80 and 18.00 ng/ml. GSK1360707 dose-dependently blocked the signal of SERT-, DAT-, and NET-selective PET ligands, confirming its penetration across the blood-brain barrier and blockade of all three monoamine transporters in vivo.
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Affiliation(s)
- Robert A Comley
- Clinical Imaging Centre, GlaxoSmithKline, London, United Kingdom
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Effects of monoamine reuptake inhibitors in assays of acute pain-stimulated and pain-depressed behavior in rats. THE JOURNAL OF PAIN 2013; 14:246-59. [PMID: 23332494 DOI: 10.1016/j.jpain.2012.11.006] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Revised: 10/12/2012] [Accepted: 11/12/2012] [Indexed: 01/23/2023]
Abstract
UNLABELLED Pain is associated with stimulation of some behaviors (eg, withdrawal reflexes) but depression of many other behaviors (eg, feeding, locomotion, positively reinforced operant behavior). Drugs that block reuptake of serotonin, norepinephrine, and/or dopamine are widely used to treat depression, and they have also emerged as useful drugs for treatment of pain. This study compared effects of selective and mixed-action inhibitors of serotonin, norepinephrine, and/or dopamine reuptake in assays of acute pain-stimulated and pain-depressed behavior. Intraperitoneal injection of dilute acid served as a noxious stimulus to stimulate a writhing response or depress intracranial self-stimulation (ICSS) in Sprague Dawley rats. Selective reuptake inhibitors of serotonin (citalopram, clomipramine) and norepinephrine (nisoxetine, nortriptyline) and a mixed-action reuptake inhibitor of serotonin and norepinephrine (milnacipran) blocked acid-stimulated writhing but failed to block acid-induced depression of ICSS. Selective dopamine reuptake inhibitors (RTI-113 [3ß-(4-chlorophenyl)tropane-2ß-carboxylic acid phenyl ester hydrochloride], bupropion) and a triple reuptake inhibitor of dopamine, serotonin, and norepinephrine (RTI-112 [3ß-(3-methyl-4-chlorophenyl)tropane-2ß-carboxylic acid methyl ester hydrochloride]) blocked both acid-stimulated writhing and acid-induced depression of ICSS, although these drugs also produced an abuse-related facilitation of ICSS in the absence of the noxious stimulus. These results support further consideration of dopamine reuptake inhibitors as candidate analgesics, although abuse liability remains a concern. PERSPECTIVE Monoamine reuptake inhibitors are used to treat depression and some forms of pain. This study examined effects of monoamine reuptake inhibitors in a preclinical assay of pain-related behavioral depression. The results support further consideration of dopamine reuptake inhibitors as candidate analgesics under selected circumstances, although abuse liability remains a concern.
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Nakamura Y, Izumi H, Shimizu T, Hisaoka-Nakashima K, Morioka N, Nakata Y. Volume Transmission of Substance P in Striatum Induced by Intraplantar Formalin Injection Attenuates Nociceptive Responses via Activation of the Neurokinin 1 Receptor. J Pharmacol Sci 2013; 121:257-71. [DOI: 10.1254/jphs.12218fp] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Kot M, Pilc A, Daniel WA. Simultaneous alterations of brain and plasma serotonin concentrations and liver cytochrome P450 in rats fed on a tryptophan-free diet. Pharmacol Res 2012; 66:292-9. [PMID: 22749902 DOI: 10.1016/j.phrs.2012.06.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2012] [Revised: 06/18/2012] [Accepted: 06/19/2012] [Indexed: 01/16/2023]
Abstract
Our previous study suggested involvement of the brain serotonergic system in the regulation of liver cytochrome P450 (CYP). The aim of the present study was to demonstrate simultaneous responsiveness of liver CYP and the peripheral and brain serotonergic systems to a tryptophan deficient diet during three days and one or three weeks of ingestion. The concentrations of serotonin, noradrenaline, dopamine and their metabolites were measured in blood plasma, the hypothalamus and brain stem of male rats. The enzyme activity and protein levels in the liver were determined for isoforms CYP1A, CYP2A, CYP2B, CYP2C6, CYP2C11, CYP2D and CYP3A. A three-day tryptophan-free diet increased serotonin content in the hypothalamus (but not in the brain stem or plasma). After one week, the level of serotonin was not changed in the brain, but was markedly increased in the plasma. A three week tryptophan restriction significantly reduced the concentration of serotonin in the brain and plasma. Changes in CYP2C6 and CYP2C11 (an increase and a decrease, respectively) were maintained throughout the experiment, while those found in other CYP isoforms varied, which usually resulted in a gradual increase in the enzyme activity within three weeks. The observed alterations in liver CYPs suggest involvement of both central and peripheral serotonin in the regulation of liver CYP expression whose mechanism is discussed. In conclusion, a deficit in tryptophan in the diet may be responsible for very serious food-cytochrome P450 and food-drug metabolism interactions. Interactions of this type may also refer to drugs acting via serotonergic system.
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Affiliation(s)
- Marta Kot
- Polish Academy of Sciences, Institute of Pharmacology, Smętna 12, 31-343 Kraków, Poland
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Cytochrome P450 is regulated by noradrenergic and serotonergic systems. Pharmacol Res 2011; 64:371-80. [DOI: 10.1016/j.phrs.2011.06.020] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2011] [Revised: 06/08/2011] [Accepted: 06/23/2011] [Indexed: 01/11/2023]
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Czobor P, Skolnick P. The secrets of a successful clinical trial: compliance, compliance, and compliance. Mol Interv 2011; 11:107-10. [PMID: 21540470 DOI: 10.1124/mi.11.2.8] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Pál Czobor
- Semmelweis University, Department of Psychiatry and Psychotherapy, Budapest, Hungary.
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Kristensen AS, Andersen J, Jørgensen TN, Sørensen L, Eriksen J, Loland CJ, Strømgaard K, Gether U. SLC6 neurotransmitter transporters: structure, function, and regulation. Pharmacol Rev 2011; 63:585-640. [PMID: 21752877 DOI: 10.1124/pr.108.000869] [Citation(s) in RCA: 591] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The neurotransmitter transporters (NTTs) belonging to the solute carrier 6 (SLC6) gene family (also referred to as the neurotransmitter-sodium-symporter family or Na(+)/Cl(-)-dependent transporters) comprise a group of nine sodium- and chloride-dependent plasma membrane transporters for the monoamine neurotransmitters serotonin (5-hydroxytryptamine), dopamine, and norepinephrine, and the amino acid neurotransmitters GABA and glycine. The SLC6 NTTs are widely expressed in the mammalian brain and play an essential role in regulating neurotransmitter signaling and homeostasis by mediating uptake of released neurotransmitters from the extracellular space into neurons and glial cells. The transporters are targets for a wide range of therapeutic drugs used in treatment of psychiatric diseases, including major depression, anxiety disorders, attention deficit hyperactivity disorder and epilepsy. Furthermore, psychostimulants such as cocaine and amphetamines have the SLC6 NTTs as primary targets. Beginning with the determination of a high-resolution structure of a prokaryotic homolog of the mammalian SLC6 transporters in 2005, the understanding of the molecular structure, function, and pharmacology of these proteins has advanced rapidly. Furthermore, intensive efforts have been directed toward understanding the molecular and cellular mechanisms involved in regulation of the activity of this important class of transporters, leading to new methodological developments and important insights. This review provides an update of these advances and their implications for the current understanding of the SLC6 NTTs.
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Affiliation(s)
- Anders S Kristensen
- Department of Medicinal Chemistry, Faculty of Pharmaceutical Sciences, University of Copenhagen, Copenhagen, Denmark.
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Prins J, Olivier B, Korte SM. Triple reuptake inhibitors for treating subtypes of major depressive disorder: the monoamine hypothesis revisited. Expert Opin Investig Drugs 2011; 20:1107-30. [DOI: 10.1517/13543784.2011.594039] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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DeLorenzo C, Lichenstein S, Schaefer K, Dunn J, Marshall R, Organisak L, Kharidia J, Robertson B, Mann JJ, Parsey RV. SEP-225289 serotonin and dopamine transporter occupancy: a PET study. J Nucl Med 2011; 52:1150-5. [PMID: 21680689 DOI: 10.2967/jnumed.110.084525] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
UNLABELLED SEP-225289 is a novel compound that, based on in vitro potencies for transporter function, potentially inhibits reuptake at dopamine, norepinephrine, and serotonin transporters. An open-label PET study was conducted during the development of SEP-225289 to investigate its dopamine and serotonin transporter occupancy. METHODS Different single doses of SEP-225289 were administered to healthy volunteers in 3 cohorts: 8 mg (n = 7), 12 mg (n = 5), and 16 mg (n = 7). PET was performed before and approximately 24 h after oral administration of SEP-225289, to assess occupancy at trough levels. Dopamine and serotonin transporter occupancies were estimated from PET using (11)C-N-(3-iodoprop-2E-enyl)-2β-carbomethoxy-3β-(4-methylphenyl)nortropane ((11)C-PE2I) and (11)C-N,N-dimethyl-2-(2-amino-4-cyanophenylthio)benzylamine ((11)C-DASB), respectively. Plasma concentration of SEP-225289 was assessed before ligand injection, and subjects were monitored for adverse events. RESULTS Average dopamine and serotonin transporter occupancies increased with increasing doses of SEP-225289. Mean dopamine and serotonin transporter occupancies were 33% ± 11% and 2% ± 13%, respectively, for 8 mg; 44% ± 4% and 9% ± 10%, respectively, for 12 mg; and 49% ± 7% and 14% ± 15%, respectively, for 16 mg. On the basis of the relationship between occupancy and plasma concentration, dopamine transporter IC(50) (the plasma concentration of drug at 50% occupancy) was determined (4.5 ng/mL) and maximum dopamine transporter occupancy was extrapolated (85%); however, low serotonin transporter occupancy prevented similar serotonin transporter calculations. No serious adverse events were reported. CONCLUSION At the doses evaluated, occupancy of the dopamine transporter was significantly higher than that of the serotonin transporter, despite similar in vitro potencies, confirming that, in addition to in vitro assays, PET occupancy studies can be instrumental to the drug development process by informing early decisions about indication, dose, and therapeutic potential.
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Hache G, Coudore F, Gardier AM, Guiard BP. Monoaminergic Antidepressants in the Relief of Pain: Potential Therapeutic Utility of Triple Reuptake Inhibitors (TRIs). Pharmaceuticals (Basel) 2011. [PMCID: PMC4053958 DOI: 10.3390/ph4020285] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
Over 75% of depressed patients suffer from painful symptoms predicting a greater severity and a less favorable outcome of depression. Imaging, anatomical and functional studies have demonstrated the existence of common brain structures, neuronal pathways and neurotransmitters in depression and pain. In particular, the ascending serotonergic and noradrenergic pathways originating from the raphe nuclei and the locus coeruleus; respectively, send projections to the limbic system. Such pathways control many of the psychological functions that are disturbed in depression and in the perception of pain. On the other hand, the descending pathways, from monoaminergic nuclei to the spinal cord, are specifically implicated in the inhibition of nociception providing rationale for the use of serotonin (5-HT) and/or norepinephrine (NE) reuptake inhibitors (SSRIs, NRIs, SNRIs), in the relief of pain. Compelling evidence suggests that dopamine (DA) is also involved in the pathophysiology and treatment of depression. Indeed, recent insights have demonstrated a central role for DA in analgesia through an action at both the spinal and suprasinal levels including brain regions such as the periaqueductal grey (PAG), the thalamus, the basal ganglia and the limbic system. In this context, dopaminergic antidepressants (i.e., containing dopaminergic activity), such as bupropion, nomifensine and more recently triple reuptake inhibitors (TRIs), might represent new promising therapeutic tools in the treatment of painful symptoms with depression. Nevertheless, whether the addition of the dopaminergic component produces more robust effects than single- or dual-acting agents, has yet to be demonstrated. This article reviews the main pathways regulating pain transmission in relation with the monoaminergic systems. It then focuses on the current knowledge regarding the in vivo pharmacological properties and mechanism of action of monoaminergic antidepressants including SSRIs, NRIs, SNRIs and TRIs. Finally, a synthesis of the preclinical studies supporting the efficacy of these antidepressants in analgesia is also addressed in order to highlight the relative contribution of 5-HT, NE and DA to nociception.
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Affiliation(s)
- Guillaume Hache
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: 011-331-46-83-53-61
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Marks DM, Pae CU, Patkar AA. Triple reuptake inhibitors: the next generation of antidepressants. Curr Neuropharmacol 2010; 6:338-43. [PMID: 19587855 PMCID: PMC2701280 DOI: 10.2174/157015908787386078] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Revised: 07/18/2008] [Accepted: 07/23/2008] [Indexed: 12/28/2022] Open
Abstract
Depression has been associated with impaired neurotransmission of serotonergic, norepinephrinergic, and dopaminergic pathways, although most pharmacologic treatment strategies for depression enhance only serotonin and norepinephrine neurotransmission. Current drug development efforts are aimed at a new class of antidepressants which inhibit the reuptake of all three neurotransmitters in the hope of creating medications with broader efficacy and/or quicker onset of action. The current review explores limitations of presently available antidepressants and the history and premise behind the movement to devise triple reuptake inhibitors. The evidence for and against the claim that broader spectrum agents are more efficacious is discussed. Examples of triple reuptake inhibitors in development are compared, and preclinical and clinical research with these agents to date is described.
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Affiliation(s)
- David M Marks
- Department of Psychiatry, Duke University Medical Center, Durham, North Carolina, USA.
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Bechmann LP, Best J, Haag S, Leineweber K, Gerken G, Holtmann G. Serotoninergic and non-serotoninergic effects of two tricyclic antidepressants on visceral nociception in a rat model. Scand J Gastroenterol 2009; 44:680-6. [PMID: 19396660 DOI: 10.1080/00365520902767272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Tricyclic antidepressants (TCAs) are well established in the treatment of patients with irritable bowel syndrome (IBS). The effects are believed to be linked to serotoninergic antinociceptive properties, but data on the antinociceptive effects of various TCAs with variable serotoninergic and non-serotoninergic properties have not been investigated. The aim of this study was to compare the antinociceptive effects of different TCAs. MATERIAL AND METHODS Colorectal distension (CRD) using a barostat device was carried out in rats and the visceromotor response (VMR) to CRD was quantified by abdominal wall electromyography. Prior to CRD, saline (control), amitriptyline (AM), desipramine (DES), reserpine (RES) or a combination of TCAs and RES (AM + RES or DES + RES) was applied intraperitoneally. Serum 5-HT levels were determined using high-performance liquid chromatography (HPLC). RES was used to antagonize the serotoninergic actions of TCAs in order to discriminate between these effects and others. RESULTS Both TCAs decreased the VMR compared to placebo. After RES application without TCAs, the VMR was increased compared to controls (6403 microV+/-1772 microV). Co-administration of AM and RES resulted in a modest decrease in VMR (5774 microV+/-1953 microV), while in rats treated with RES and DES the VMR again was significantly lower (3446 microV (+/-1347 microV; p <0.05)). 5-HT levels were higher in TCA pretreated rats than those in controls and significantly lower 5-HT levels were found in all rats pretreated with RES. CONCLUSIONS AM and DES have antinociceptive properties while RES is pro-nociceptive. The antinociceptive effects of DES are not abolished by RES pretreatment, while AM only attenuates the pro-nociceptive effects of RES. The non-serotoninergic properties of TCAs substantially contribute to the differences in the antinococeptive effects of various TCAs.
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Affiliation(s)
- Lars P Bechmann
- Department of Gastroenterology, University of Essen, Germany
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Nicholson KL, Balster RL, Golembiowska K, Kowalska M, Tizzano JP, Skolnick P, Basile AS. Preclinical evaluation of the abuse potential of the analgesic bicifadine. J Pharmacol Exp Ther 2009; 330:236-48. [PMID: 19357320 DOI: 10.1124/jpet.109.150540] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The abuse liability of the analgesic bicifadine was investigated in animal models used to predict the abuse potential of psychostimulants in humans. Bicifadine, cocaine, d-amphetamine, bupropion, and desipramine were evaluated for the production of cocaine-like discriminative stimulus effects in rats. Cocaine, d-amphetamine, and bupropion dose-dependently and fully substituted for cocaine. Bicifadine and desipramine produced a maximum mean cocaine-lever selection of 80 and 69%, respectively, but doses yielding peak substitution strongly suppressed response rates. Microdialysis studies in normal waking rats indicated that d-amphetamine increased dopamine levels in the nucleus accumbens and striatum to a much greater degree than bicifadine, but bicifadine increased 5-hydroxytryptamine levels in the nucleus accumbens and striatum more than d-amphetamine. Bicifadine was also tested for intravenous self-administration in rhesus monkeys experienced with cocaine administration. Reinforcing effects of bicifadine were observed in only two of four subjects, whereas cocaine, d-amphetamine, and bupropion served as reinforcers in all four monkeys. When evaluated under a progressive ratio procedure, no dose of bicifadine maintained responding to the extent of cocaine, d-amphetamine, or bupropion. The discriminative stimulus effects associated with bicifadine were similar, but not identical, to those of psychostimulants. Although bicifadine maintained self-administration behavior in some subjects, its reinforcing efficacy was very low relative to cocaine, d-amphetamine, and bupropion. These results are consistent with the microdialysis findings of lower dopamine levels and higher 5-hydroxytryptamine levels after administration of bicifadine relative to d-amphetamine. Overall, the current findings support a low abuse potential of bicifadine, more resembling that of antidepressants than psychostimulants.
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Affiliation(s)
- Katherine L Nicholson
- Virginia Commonwealth University, Department of Pharmacology/Toxicology, P.O. Box 980613, Richmond, VA 23298-0613, USA.
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Woode E, Boakye-Gya E, Ainooson G, Ansah C, Duwiejua M. Anti-Nociceptive Effects and the Mechanism of Palisota hirsuta K. Schum. Leaf Extract in Murine Models. INT J PHARMACOL 2009. [DOI: 10.3923/ijp.2009.101.113] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Fontenele JB, Leal LKAM, Felix FHC. Comment on: Is there any evidence to support the use of anti-depressants in painful rheumatological conditions? Systematic review of pharmacological and clinical studies & Amitriptyline in the treatment of fibromyalgia: a systematic review of its efficacy. Rheumatology (Oxford) 2008; 48:322-3; author reply 323-4. [DOI: 10.1093/rheumatology/ken419] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Current World Literature. Curr Opin Anaesthesiol 2008; 21:684-93. [DOI: 10.1097/aco.0b013e328312c01b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Abstract
On the horizon there is a new class of psychoactive medications which work by inhibiting the neuronal reuptake of serotonin, norepinephrine, and dopamine. There are multiple potential indications for these drugs. Research suggests that they may have a role in treating depressive disorders, and it is plausible they may have potential efficacy in obesity, addiction, and pain syndromes. The current review describes some of the molecules in development presently and explores the research relevant to possible clinical uses for this class of medications.
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Affiliation(s)
- David M. Marks
- Department of Psychiatry, Duke University Medical Center, Durham, North Carolina, USA
| | - Chi-Un Pae
- Department of Psychiatry, Duke University Medical Center, Durham, North Carolina, USA
- Department of Psychiatry, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Ashwin A. Patkar
- Department of Psychiatry, Duke University Medical Center, Durham, North Carolina, USA
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Studies on the structure–activity relationship of bicifadine analogs as monoamine transporter inhibitors. Bioorg Med Chem Lett 2008; 18:3682-6. [DOI: 10.1016/j.bmcl.2008.05.077] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2008] [Revised: 05/16/2008] [Accepted: 05/19/2008] [Indexed: 11/22/2022]
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Munro G. Dopamine D1 and D2 receptor agonism enhances antinociception mediated by the serotonin and noradrenaline reuptake inhibitor duloxetine in the rat formalin test. Eur J Pharmacol 2007; 575:66-74. [PMID: 17725928 DOI: 10.1016/j.ejphar.2007.07.062] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2007] [Revised: 07/19/2007] [Accepted: 07/23/2007] [Indexed: 11/27/2022]
Abstract
Altered functioning of monoamine-containing pathways descending from supraspinal structures to the spinal dorsal horn contributes to injury-induced sensitization of nociceptive transmission. Antidepressant drugs as typified by the dual serotonin (5-HT) and noradrenaline reuptake inhibitor duloxetine attenuate various signs and symptoms of persistent pain in animals and humans. The current study assessed whether dopamine receptor agonists could further enhance the antinociceptive activity of duloxetine in an animal model of injury-induced central sensitization, the rat formalin test. Duloxetine (3-100 mg/kg, s.c.), the dopamine D(1) receptor agonist SKF-82958 (0.1-1 mg/kg, s.c.) and the dopamine D(2) receptor agonist quinpirole (0.003-0.1 mg/kg, s.c.) all significantly attenuated spontaneous nociceptive behaviours during the second phase of the test; duloxetine and quinpirole also attenuated nociceptive behaviours during first phase and interphase. These antinociceptive actions of SKF-82958 and quinpirole were selectively antagonized by SCH 23390 and eticlopride respectively. Remarkably, when completely inactive doses of duloxetine (3 mg/kg) and SKF-82958 (0.3 mg/kg) were combined, a marked attenuation of second phase nociceptive behaviours occurred (P<0.05 vs vehicle), indicative of analgesic synergy. Similarly, when an active antinociceptive dose of quinpirole (0.03 mg/kg, P<0.05 vs vehicle) was combined with an inactive dose of duloxetine (3 mg/kg), a potentiation of duloxetine-mediated antinociception was observed (P<0.001 vs vehicle). Taken together, these results suggest that antidepressant drugs that can enhance the activity of 5-HT, noradrenaline and dopamine neurotransmission within nociceptive pathways should provide a broader spectrum of antinociception than dual mechanism of action reuptake inhibitors in animal models of injury-induced persistent nociception.
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Affiliation(s)
- Gordon Munro
- Department of Pharmacology, NeuroSearch A/S, 93 Pederstrupvej, DK-2750, Ballerup, Denmark.
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Musick TJ, Gohdes M, Duffy A, Erickson DA, Krieter PA. Pharmacokinetics, Disposition, and Metabolism of Bicifadine in the Mouse, Rat, and Monkey. Drug Metab Dispos 2007; 36:241-51. [DOI: 10.1124/dmd.107.017863] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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Krieter PA, Gohdes M, Musick TJ, Duncanson FP, Bridson WE. Pharmacokinetics, Disposition, and Metabolism of Bicifadine in Humans. Drug Metab Dispos 2007; 36:252-9. [DOI: 10.1124/dmd.107.017871] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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Erickson DA, Hollfelder S, Tenge J, Gohdes M, Burkhardt JJ, Krieter PA. In vitro metabolism of the analgesic bicifadine in the mouse, rat, monkey, and human. Drug Metab Dispos 2007; 35:2232-41. [PMID: 17881661 DOI: 10.1124/dmd.107.016055] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The in vitro metabolism of [(14)C]bicifadine by hepatic microsomes and hepatocytes from mouse, rat, monkey, and human was compared using radiometric high-performance liquid chromatography and liquid chromatography/tandem mass spectrometry. Two main metabolic pathways were identified in all four species. One pathway was an NADPH-dependent pathway in which the methyl group was oxidized to form a hydroxymethyl metabolite (M2). Its formation was inhibited in human microsomes only by quinidine, a CYP2D6 inhibitor. In incubations with individual cDNA-expressed human cytochromes P450, M2 was formed only by CYP2D6 and CYP1A2, with CYP2D6 activity 6-fold greater than that of CYP1A2. M2 was oxidized further to the carboxylic acid metabolite (M3) by hepatocytes from all four species. The second major metabolic pathway was an NADPH-independent oxidation at the C2 position of the pyrrolidine ring, forming a lactam metabolite (M12). This reaction was almost completely inhibited in human hepatic microsomes and mitochondria by the monoamine oxidase (MAO)-B-specific inhibitor selegiline. Clorgyline, a specific inhibitor of MAO-A, was less effective in inhibiting M12 formation. Other metabolic pathways of variable significance among the four species included the formation of carbamoyl-O-glucuronide, hydroxymethyl lactam, and carboxyl lactam. Overall, the data indicate that the primary enzymes responsible for the primary metabolism of bicifadine in humans are MAO-B and CYP2D6.
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Affiliation(s)
- David A Erickson
- Department of Drug Metabolism, Covance Laboratories Inc, Madison, WI, USA
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