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Jiang K, Zheng Y, Zeng L, Wang L, Li F, Pu J, Lu Y, Zhao S, Xu F. The versatile binding landscape of the TAAR1 pocket for LSD and other antipsychotic drug molecules. Cell Rep 2024; 43:114505. [PMID: 39002128 DOI: 10.1016/j.celrep.2024.114505] [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: 03/21/2024] [Revised: 05/01/2024] [Accepted: 06/27/2024] [Indexed: 07/15/2024] Open
Abstract
Increasing global concerns about psychoactive substance addiction and psychotic disorders highlight the need for comprehensive research into the structure-function relationship governing ligand recognition between these substances and their receptors in the brain. Recent studies indicate the significant involvement of trace amine-associated receptor 1 (TAAR1) in the signaling regulation of the hallucinogen lysergic acid diethylamide (LSD) and other antipsychotic drugs. This study presents structures of the TAAR1-Gs protein complex recognizing LSD, which exhibits a polypharmacological profile, and the partial agonist RO5263397, which is a drug candidate for schizophrenia and addiction. Moreover, we elucidate the cross-species recognition and partial activation mechanism for TAAR1, which holds promising implications from a drug discovery perspective. Through mutagenesis, functional studies, and molecular dynamics (MD) simulations, we provide a comprehensive understanding of a versatile TAAR1 pocket in recognizing various ligands as well as in the ligand-free state, underpinning the structural basis of its high adaptability. These findings offer valuable insights for the design of antipsychotic drugs.
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Affiliation(s)
- Kexin Jiang
- iHuman Institute, ShanghaiTech University, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - You Zheng
- iHuman Institute, ShanghaiTech University, Shanghai, China
| | - Liting Zeng
- iHuman Institute, ShanghaiTech University, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Ling Wang
- iHuman Institute, ShanghaiTech University, Shanghai, China
| | - Fei Li
- iHuman Institute, ShanghaiTech University, Shanghai, China
| | - Jun Pu
- Department of Neurosurgery, The Second Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Yingli Lu
- Institute and Department of Endocrinology and Metabolism, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Suwen Zhao
- iHuman Institute, ShanghaiTech University, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
| | - Fei Xu
- iHuman Institute, ShanghaiTech University, Shanghai, China; School of Life Science and Technology, ShanghaiTech University, Shanghai, China; Shanghai Clinical Research and Trial Center, Shanghai, China.
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2
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Grossi G, Scarano N, Musumeci F, Tonelli M, Kanov E, Carbone A, Fossa P, Gainetdinov RR, Cichero E, Schenone S. Discovery of a Novel Chemo-Type for TAAR1 Agonism via Molecular Modeling. Molecules 2024; 29:1739. [PMID: 38675561 PMCID: PMC11052455 DOI: 10.3390/molecules29081739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/27/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
The search for novel effective TAAR1 ligands continues to draw great attention due to the wide range of pharmacological applications related to TAAR1 targeting. Herein, molecular docking studies of known TAAR1 ligands, characterized by an oxazoline core, have been performed in order to identify novel promising chemo-types for the discovery of more active TAAR1 agonists. In particular, the oxazoline-based compound S18616 has been taken as a reference compound for the computational study, leading to the development of quite flat and conformationally locked ligands. The choice of a "Y-shape" conformation was suggested for the design of TAAR1 ligands, interacting with the protein cavity delimited by ASP103 and aromatic residues such as PHE186, PHE195, PHE268, and PHE267. The obtained results allowed us to preliminary in silico screen an in-house series of pyrimidinone-benzimidazoles (1a-10a) as a novel scaffold to target TAAR1. Combined ligand-based (LBCM) and structure based (SBCM) computational methods suggested the biological evaluation of compounds 1a-10a, leading to the identification of derivatives 1a-3a (hTAAR1 EC50 = 526.3-657.4 nM) as promising novel TAAR1 agonists.
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Affiliation(s)
- Giancarlo Grossi
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
| | - Naomi Scarano
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
| | - Francesca Musumeci
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
| | - Michele Tonelli
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
| | - Evgeny Kanov
- Institute of Translational Biomedicine, St. Petersburg State University, 199034 St. Petersburg, Russia (R.R.G.)
- St. Petersburg University Hospital, St. Petersburg State University, 199034 St. Petersburg, Russia
| | - Anna Carbone
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
| | - Paola Fossa
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
| | - Raul R. Gainetdinov
- Institute of Translational Biomedicine, St. Petersburg State University, 199034 St. Petersburg, Russia (R.R.G.)
- St. Petersburg University Hospital, St. Petersburg State University, 199034 St. Petersburg, Russia
| | - Elena Cichero
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
| | - Silvia Schenone
- Department of Pharmacy, Section of Medicinal Chemistry, School of Medical and Pharmaceutical Sciences, University of Genoa, Viale Benedetto XV, 3, 16132 Genoa, Italy; (G.G.); (N.S.); (F.M.); (M.T.); (A.C.); (P.F.); (S.S.)
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3
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Liu H, Zheng Y, Wang Y, Wang Y, He X, Xu P, Huang S, Yuan Q, Zhang X, Wang L, Jiang K, Chen H, Li Z, Liu W, Wang S, Xu HE, Xu F. Recognition of methamphetamine and other amines by trace amine receptor TAAR1. Nature 2023; 624:663-671. [PMID: 37935377 DOI: 10.1038/s41586-023-06775-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Accepted: 10/20/2023] [Indexed: 11/09/2023]
Abstract
Trace amine-associated receptor 1 (TAAR1), the founding member of a nine-member family of trace amine receptors, is responsible for recognizing a range of biogenic amines in the brain, including the endogenous β-phenylethylamine (β-PEA)1 as well as methamphetamine2, an abused substance that has posed a severe threat to human health and society3. Given its unique physiological role in the brain, TAAR1 is also an emerging target for a range of neurological disorders including schizophrenia, depression and drug addiction2,4,5. Here we report structures of human TAAR1-G-protein complexes bound to methamphetamine and β-PEA as well as complexes bound to RO5256390, a TAAR1-selective agonist, and SEP-363856, a clinical-stage dual agonist for TAAR1 and serotonin receptor 5-HT1AR (refs. 6,7). Together with systematic mutagenesis and functional studies, the structures reveal the molecular basis of methamphetamine recognition and underlying mechanisms of ligand selectivity and polypharmacology between TAAR1 and other monoamine receptors. We identify a lid-like extracellular loop 2 helix/loop structure and a hydrogen-bonding network in the ligand-binding pockets, which may contribute to the ligand recognition in TAAR1. These findings shed light on the ligand recognition mode and activation mechanism for TAAR1 and should guide the development of next-generation therapeutics for drug addiction and various neurological disorders.
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Affiliation(s)
- Heng Liu
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - You Zheng
- iHuman Institute, School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Yue Wang
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Yumeng Wang
- University of Chinese Academy of Sciences, Beijing, China
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecule Cell Science, Chinese Academy of Sciences, Shanghai, China
| | - Xinheng He
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Peiyu Xu
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Sijie Huang
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Qingning Yuan
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- The Shanghai Advanced Electron Microscope Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Xinyue Zhang
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China
| | - Ling Wang
- iHuman Institute, School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Kexin Jiang
- iHuman Institute, School of Life Science and Technology, ShanghaiTech University, Shanghai, China
| | - Hong Chen
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology, Shanghai, China
- Shanghai Yuansi Standard Science and Technology Co., Ltd, Shanghai, China
| | - Zhen Li
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
- School of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing, China
| | - Wenbin Liu
- Shanghai Key Laboratory of Crime Scene Evidence, Shanghai Research Institute of Criminal Science and Technology, Shanghai, China.
- Shanghai Yuansi Standard Science and Technology Co., Ltd, Shanghai, China.
| | - Sheng Wang
- State Key Laboratory of Molecular Biology, Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecule Cell Science, Chinese Academy of Sciences, Shanghai, China.
- Key Laboratory of Systems Health Science of Zhejiang Province, School of Life Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, China.
| | - H Eric Xu
- The State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.
- University of Chinese Academy of Sciences, Beijing, China.
- School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
| | - Fei Xu
- iHuman Institute, School of Life Science and Technology, ShanghaiTech University, Shanghai, China.
- Shanghai Clinical Research and Trial Center, Shanghai, China.
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4
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Shabani S, Houlton S, Ghimire B, Tonello D, Reed C, Baba H, Aldrich S, Phillips TJ. Robust aversive effects of trace amine-associated receptor 1 activation in mice. Neuropsychopharmacology 2023; 48:1446-1454. [PMID: 37055488 PMCID: PMC10425385 DOI: 10.1038/s41386-023-01578-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/03/2023] [Accepted: 03/26/2023] [Indexed: 04/15/2023]
Abstract
Drugs that stimulate the trace amine-associated receptor 1 (TAAR1) are under clinical investigation as treatments for several neuropsychiatric disorders. Previous studies in a genetic mouse model of voluntary methamphetamine intake identified TAAR1, expressed by the Taar1 gene, as a critical mediator of aversive methamphetamine effects. Methamphetamine is a TAAR1 agonist, but also has actions at monoamine transporters. Whether exclusive activation of TAAR1 has aversive effects was not known at the time we conducted our studies. Mice were tested for aversive effects of the selective TAAR1 agonist, RO5256390, using taste and place conditioning procedures. Hypothermic and locomotor effects were also examined, based on prior evidence of TAAR1 mediation. Male and female mice of several genetic models were used, including lines selectively bred for high and low methamphetamine drinking, a knock-in line in which a mutant form of Taar1 that codes for a non-functional TAAR1 was replaced by the reference Taar1 allele that codes for functional TAAR1, and their matched control line. RO5256390 had robust aversive, hypothermic and locomotor suppressing effects that were found only in mice with functional TAAR1. Knock-in of the reference Taar1 allele rescued these phenotypes in a genetic model that normally lacks TAAR1 function. Our study provides important data on TAAR1 function in aversive, locomotor, and thermoregulatory effects that are important to consider when developing TAAR1 agonists as therapeutic drugs. Because other drugs can have similar consequences, potential additive effects should be carefully considered as these treatment agents are being developed.
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Affiliation(s)
- Shkelzen Shabani
- Department of Biomedical Sciences, Grand Valley State University, Allendale, MI, USA
- Department of Biology, Minot State University, Minot, ND, USA
- Biomedical Sciences at Grand Valley State University, Allendale, MI, USA
| | - Sydney Houlton
- Department of Biology, Minot State University, Minot, ND, USA
| | - Bikalpa Ghimire
- Department of Biology, Minot State University, Minot, ND, USA
| | - Derek Tonello
- Department of Biomedical Sciences, Grand Valley State University, Allendale, MI, USA
| | - Cheryl Reed
- Department of Behavioral Neuroscience and Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Harue Baba
- Department of Behavioral Neuroscience and Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Sara Aldrich
- Department of Behavioral Neuroscience and Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA
| | - Tamara J Phillips
- Department of Behavioral Neuroscience and Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA.
- VA Portland Health Care System, Portland, OR, USA.
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5
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Liu J, Seaman R, Johnson B, Wu R, Vu J, Tian J, Zhang Y, Li JX. Activation of trace amine-associated receptor 1 selectively attenuates the reinforcing effects of morphine. Br J Pharmacol 2021; 178:933-945. [PMID: 33247948 DOI: 10.1111/bph.15335] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 11/10/2020] [Accepted: 11/24/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND AND PURPOSE Trace amine-associated TA1 receptors play critical roles in regulating dopamine transmission. Previous studies showed that pharmacologically or genetically manipulating the activity of TA1 receptors modulates addiction-like behaviours associated with psychostimulants. However, little is known about whether TA1 receptor modulation would regulate the behavioural effects of opioids. EXPERIMENTAL APPROACH Effects of the selective TA1 receptor partial agonist RO5263397 on the addiction-related and antinociceptive effects of morphine were systematically assessed in male rats and mice. KEY RESULTS RO5263397 attenuated the expression of morphine-induced behavioural sensitization in wildtype but not TA1 receptor knockout mice. RO5263397 shifted the dose-effect curve of morphine self-administration downward and reduced the breakpoint in a progressive ratio schedule of reinforcement but did not affect food self-administration in rats. RO5263397 decreased the cue- and drug-induced reinstatement of morphine-seeking behaviour in rats. RO5263397 alone did not trigger reinstatement of morphine-seeking behaviour or change locomotor activity in rats with a history of morphine self-administration. However, RO5263397 did not affect the expression of morphine-induced conditioned place preference in mice or rats. RO5263397 did not affect naltrexone-precipitated jumping behaviour or naltrexone-induced conditioned place aversion in morphine-dependent mice. Furthermore, RO5263397 did not affect the analgesic effects of morphine in an acute nociception model in mice and a chronic pain model in rats. CONCLUSION AND IMPLICATIONS These results indicated that TA1 receptor activation selectively attenuated the reinforcing, but not withdrawal or antinociceptive effects of morphine, suggesting that selective TA1 receptor agonists might be useful to combat opioid addiction, while sparing the analgesic effects.
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Affiliation(s)
- Jianfeng Liu
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, New York, USA
| | - Robert Seaman
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, New York, USA
| | - Bernard Johnson
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, New York, USA
| | - Ruyan Wu
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, New York, USA
| | - Jimmy Vu
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, New York, USA
| | - Jingwei Tian
- School of Pharmacy, Yantai University, Yantai, China
| | - Yanan Zhang
- Research Triangle Institute, Research Triangle Park, North Carolina, USA
| | - Jun-Xu Li
- Department of Pharmacology and Toxicology, University at Buffalo, Buffalo, New York, USA
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6
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Novel 1-Amidino-4-Phenylpiperazines as Potent Agonists at Human TAAR1 Receptor: Rational Design, Synthesis, Biological Evaluation and Molecular Docking Studies. Pharmaceuticals (Basel) 2020; 13:ph13110391. [PMID: 33202687 PMCID: PMC7697893 DOI: 10.3390/ph13110391] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/11/2020] [Accepted: 11/12/2020] [Indexed: 11/19/2022] Open
Abstract
Targeting trace amine-associated receptor 1 (TAAR1) receptor continues to offer an intriguing opportunity to develop innovative therapies in different pharmacological settings. Pursuing our endeavors in the search for effective and safe human TAAR1 (hTAAR1) ligands, we synthesized a new series of 1-amidino-4-phenylpiperazine derivatives (1–16) based on the application of a combined pharmacophore model/scaffold simplification strategy for an in-house series of biguanide-based TAAR1 agonists. Most of the novel compounds proved to be more effective than their prototypes, showing nanomolar EC50 values in functional activity at hTAAR1 and low general cytotoxicity (CC50 > 80 µM) when tested on the Vero-76 cell line. In this new series, the main determinant for TAAR1 agonism ability appears to result from the appropriate combination between the steric size and position of the substituents on the phenyl ring rather than from their different electronic nature, since both electron-withdrawing and electron donor groups are permitted. In particular, the ortho-substitution seems to impose a more appropriate spatial geometry to the molecule that entails an enhanced TAAR1 potency profile, as experienced, in the following order, by compounds 15 (2,3-diCl, EC50 = 20 nM), 2 (2-CH3, EC50 = 30 nM), 6 (2-OCH3, EC50 = 93 nM) and 3 (2-Cl, EC50 = 160 nM). Apart from the interest in them as valuable leads for the development of promising hTAAR1 agonists, these simple small molecules have further allowed us to identify the minimal structural requirements for producing an efficient hTAAR1 targeting ability.
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7
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Dave S, Chen L, Yu C, Seaton M, Khodr CE, Al-Harthi L, Hu XT. Methamphetamine decreases K + channel function in human fetal astrocytes by activating the trace amine-associated receptor type-1. J Neurochem 2018; 148:29-45. [PMID: 30295919 DOI: 10.1111/jnc.14606] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 09/28/2018] [Accepted: 10/03/2018] [Indexed: 12/22/2022]
Abstract
Methamphetamine (Meth) is a potent and commonly abused psychostimulant. Meth alters neuron and astrocyte activity; yet the underlying mechanism(s) is not fully understood. Here we assessed the impact of acute Meth on human fetal astrocytes (HFAs) using whole-cell patch-clamping. We found that HFAs displayed a large voltage-gated K+ efflux (IKv ) through Kv /Kv -like channels during membrane depolarization, and a smaller K+ influx (Ikir ) via inward-rectifying Kir /Kir -like channels during membrane hyperpolarization. Meth at a 'recreational' (20 μM) or toxic/fatal (100 μM) concentration depolarized resting membrane potential (RMP) and suppressed IKv/Kv-like . These changes were associated with a decreased time constant (Ƭ), and mimicked by blocking the two-pore domain K+ (K2P )/K2P -like and Kv /Kv -like channels, respectively. Meth also diminished IKir/Kir-like , but only at toxic/fatal levels. Given that Meth is a potent agonist for the trace amine-associated receptor type-1 (TAAR1), and TAAR1-coupled cAMP/cAMP-activated protein kinase (PKA) cascade, we further evaluated whether the Meth impact on K+ efflux was mediated by this pathway. We found that antagonizing TAAR1 with N-(3-Ethoxyphenyl)-4-(1-pyrrolidinyl)-3-(trifluoromethyl)benzamide (EPPTB) reversed Meth-induced suppression of IKv/Kv-like ; and inhibiting PKA activity by H89 abolished Meth effects on suppressing IKv/Kv-like . Antagonizing TAAR1 might also attenuate Meth-induced RMP depolarization. Voltage-gated Ca2+ currents were not detected in HFAs. These novel findings demonstrate that Meth suppresses IKv/Kv-like by facilitating the TAAR1/Gs /cAMP/PKA cascade and altering the kinetics of Kv /Kv -like channel gating, but reduces K2P /K2P -like channel activity through other pathway(s), in HFAs. Given that Meth-induced decrease in astrocytic K+ efflux through K2P /K2P -like and Kv /Kv -like channels reduces extracellular K+ levels, such reduction could consequently contribute to a decreased excitability of surrounding neurons. OPEN SCIENCE BADGES: This article has received a badge for *Open Materials* because it provided all relevant information to reproduce the study in the manuscript. The complete Open Science Disclosure form for this article can be found at the end of the article. More information about the Open Practices badges can be found at https://cos.io/our-services/open-science-badges/.
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Affiliation(s)
- Sonya Dave
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois, USA
| | - Lihua Chen
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois, USA
| | - Chunjiang Yu
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois, USA
| | - Melanie Seaton
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois, USA
| | - Christina E Khodr
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois, USA
| | - Lena Al-Harthi
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois, USA
| | - Xiu-Ti Hu
- Department of Microbial Pathogens and Immunity, Rush University Medical Center, Chicago, Illinois, USA
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8
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Berry MD, Gainetdinov RR, Hoener MC, Shahid M. Pharmacology of human trace amine-associated receptors: Therapeutic opportunities and challenges. Pharmacol Ther 2017; 180:161-180. [DOI: 10.1016/j.pharmthera.2017.07.002] [Citation(s) in RCA: 95] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Targeting species-specific trace amine-associated receptor 1 ligands: to date perspective of the rational drug design process. Future Med Chem 2017; 9:1507-1527. [DOI: 10.4155/fmc-2017-0044] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
G-protein-coupled receptors represent main targets of several clinically relevant drugs, playing nowadays a leading part for further drug discovery process. Trace amine-associated receptor's family (TAARs) assumed an intriguing role as druggable target in medicinal chemistry, being TAAR1 the most investigated. Indeed, related ligands proved to be intertwined in several circuits involved in pathological pathways or therapeutic routes. Herein, we highlight relevant efforts in the search of novel agonists, focusing on responsiveness featured by different chemotypes toward rodent and human TAAR1, in order to explore species-specificity preferences. We also discuss the main strategies guiding so far the design of new TAAR1 agonists, giving a perspective of the structure-based methodologies aimed at deriving new insights for more potent and selective derivatives.
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10
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Tonelli M, Espinoza S, Gainetdinov RR, Cichero E. Novel biguanide-based derivatives scouted as TAAR1 agonists: Synthesis, biological evaluation, ADME prediction and molecular docking studies. Eur J Med Chem 2017; 127:781-792. [DOI: 10.1016/j.ejmech.2016.10.058] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2016] [Revised: 10/25/2016] [Accepted: 10/26/2016] [Indexed: 12/14/2022]
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11
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Cichero E, Tonelli M. New insights into the structure of the trace amine-associated receptor 2: Homology modelling studies exploring the binding mode of 3-iodothyronamine. Chem Biol Drug Des 2016; 89:790-796. [DOI: 10.1111/cbdd.12903] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Revised: 10/19/2016] [Accepted: 10/24/2016] [Indexed: 11/28/2022]
Affiliation(s)
- Elena Cichero
- Department of Pharmacy; University of Genoa; Genoa Italy
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12
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Chiellini G, Nesi G, Sestito S, Chiarugi S, Runfola M, Espinoza S, Sabatini M, Bellusci L, Laurino A, Cichero E, Gainetdinov RR, Fossa P, Raimondi L, Zucchi R, Rapposelli S. Hit-to-Lead Optimization of Mouse Trace Amine Associated Receptor 1 (mTAAR1) Agonists with a Diphenylmethane-Scaffold: Design, Synthesis, and Biological Study. J Med Chem 2016; 59:9825-9836. [DOI: 10.1021/acs.jmedchem.6b01092] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Giulia Nesi
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | - Simona Sestito
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | - Sara Chiarugi
- Department of Pharmacy, University of Pisa, 56126, Pisa, Italy
| | | | - Stefano Espinoza
- Department
of Neuroscience and Brain Technologies, Istituto Italiano di Tecnologia, 16163 Genova, Italy
| | | | | | - Annunziatina Laurino
- Department
of NEUROFARBA, Section of Pharmacology, University of Florence, 50139 Florence, Italy
| | - Elena Cichero
- Department
of Pharmacy, University of Genoa, 16126, Genoa, Italy
| | - Raul R. Gainetdinov
- Institute
of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia
- Skolkovo Institute of Science and Technology (Skoltech), Skolkovo, Moscow Region, 143025, Russia
| | - Paola Fossa
- Department
of Pharmacy, University of Genoa, 16126, Genoa, Italy
| | - Laura Raimondi
- Department
of NEUROFARBA, Section of Pharmacology, University of Florence, 50139 Florence, Italy
| | - Riccardo Zucchi
- Department
of Pathology, University of Pisa, 56126 Pisa, Italy
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13
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Shi X, Walter NAR, Harkness JH, Neve KA, Williams RW, Lu L, Belknap JK, Eshleman AJ, Phillips TJ, Janowsky A. Genetic Polymorphisms Affect Mouse and Human Trace Amine-Associated Receptor 1 Function. PLoS One 2016; 11:e0152581. [PMID: 27031617 PMCID: PMC4816557 DOI: 10.1371/journal.pone.0152581] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2015] [Accepted: 03/16/2016] [Indexed: 12/15/2022] Open
Abstract
Methamphetamine (MA) and neurotransmitter precursors and metabolites such as tyramine, octopamine, and β-phenethylamine stimulate the G protein-coupled trace amine-associated receptor 1 (TAAR1). TAAR1 has been implicated in human conditions including obesity, schizophrenia, depression, fibromyalgia, migraine, and addiction. Additionally TAAR1 is expressed on lymphocytes and astrocytes involved in inflammation and response to infection. In brain, TAAR1 stimulation reduces synaptic dopamine availability and alters glutamatergic function. TAAR1 is also expressed at low levels in heart, and may regulate cardiovascular tone. Taar1 knockout mice orally self-administer more MA than wild type and are insensitive to its aversive effects. DBA/2J (D2) mice express a non-synonymous single nucleotide polymorphism (SNP) in Taar1 that does not respond to MA, and D2 mice are predisposed to high MA intake, compared to C57BL/6 (B6) mice. Here we demonstrate that endogenous agonists stimulate the recombinant B6 mouse TAAR1, but do not activate the D2 mouse receptor. Progeny of the B6XD2 (BxD) family of recombinant inbred (RI) strains have been used to characterize the genetic etiology of diseases, but contrary to expectations, BXDs derived 30-40 years ago express only the functional B6 Taar1 allele whereas some more recently derived BXD RI strains express the D2 allele. Data indicate that the D2 mutation arose subsequent to derivation of the original RIs. Finally, we demonstrate that SNPs in human TAAR1 alter its function, resulting in expressed, but functional, sub-functional and non-functional receptors. Our findings are important for identifying a predisposition to human diseases, as well as for developing personalized treatment options.
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Affiliation(s)
- Xiao Shi
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Nicole A. R. Walter
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - John H. Harkness
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Kim A. Neve
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Robert W. Williams
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
| | - Lu Lu
- Department of Genetics, Genomics and Informatics, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
- Jiangsu Key Laboratory of Neuroregeneration, Nantong University, Nantong, Jiangsu, China
| | - John K. Belknap
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Amy J. Eshleman
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Tamara J. Phillips
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Aaron Janowsky
- Veterans Affairs Portland Health Care System, Portland, Oregon, United States of America
- The Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon, United States of America
- Department of Psychiatry, Oregon Health & Science University, Portland, Oregon, United States of America
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14
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Simmler LD, Buchy D, Chaboz S, Hoener MC, Liechti ME. In Vitro Characterization of Psychoactive Substances at Rat, Mouse, and Human Trace Amine-Associated Receptor 1. J Pharmacol Exp Ther 2016; 357:134-44. [PMID: 26791601 DOI: 10.1124/jpet.115.229765] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Accepted: 01/19/2016] [Indexed: 11/22/2022] Open
Abstract
Trace amine-associated receptor 1 (TAAR1) has been implicated in the behavioral effects of amphetamine-type stimulant drugs in rodents. TAAR1 has also been suggested as a target for novel medications to treat psychostimulant addiction. We previously reported that binding affinities at TAAR1 can differ between structural analogs of psychostimulants, and species differences have been observed. In this study, we complement our previous findings with additional substances and the determination of functional activation potencies. In summary, we present here pharmacological in vitro profiles of 101 psychoactive substances at human, rat, and mouse TAAR1. p-Tyramine, β-phenylethylamine, and tryptamine were included as endogenous comparator compounds. Functional cAMP measurements and radioligand displacement assays were conducted with human embryonic kidney 293 cells that expressed human, rat, or mouse TAAR1. Most amphetamines, phenethylamine, and aminoindanes exhibited potentially physiologically relevant rat and mouse TAAR1 activation (EC50 < 5 µM) and showed full or partial (Emax < 80%) agonist properties. Cathinone derivatives, including mephedrone and methylenedioxypyrovalerone, exhibited weak (EC50 = 5-10 µM) to negligible (EC50 > 10 µM) binding properties at TAAR1. Pipradrols, including methylphenidate, exhibited no affinity for TAAR1. We found considerable species differences in activity at TAAR1 among the highly active ligands, with a rank order of rat > mouse > human. This characterization provides information about the pharmacological profile of psychoactive substances. The species differences emphasize the relevance of clinical studies to translationally complement rodent studies on the role of TAAR1 activity for psychoactive substances.
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Affiliation(s)
- Linda D Simmler
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland (L.D.S., M.E.L.); and Neuroscience Research, Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (D.B., S.C., M.C.H)
| | - Danièle Buchy
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland (L.D.S., M.E.L.); and Neuroscience Research, Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (D.B., S.C., M.C.H)
| | - Sylvie Chaboz
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland (L.D.S., M.E.L.); and Neuroscience Research, Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (D.B., S.C., M.C.H)
| | - Marius C Hoener
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland (L.D.S., M.E.L.); and Neuroscience Research, Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (D.B., S.C., M.C.H)
| | - Matthias E Liechti
- Division of Clinical Pharmacology and Toxicology, Department of Biomedicine, University Hospital Basel, University of Basel, Basel, Switzerland (L.D.S., M.E.L.); and Neuroscience Research, Pharma Research and Early Development, Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd., Basel, Switzerland (D.B., S.C., M.C.H)
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15
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Cichero E, Espinoza S, Tonelli M, Franchini S, Gerasimov AS, Sorbi C, Gainetdinov RR, Brasili L, Fossa P. A homology modelling-driven study leading to the discovery of the first mouse trace amine-associated receptor 5 (TAAR5) antagonists. MEDCHEMCOMM 2016. [DOI: 10.1039/c5md00490j] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The computational study here proposed allowed us to discovery for the first time two TAAR5 antagonist, selective over the TAAR1 receptor.
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Affiliation(s)
- Elena Cichero
- Department of Pharmacy
- University of Genoa
- 3, 16132 Genoa
- Italy
| | - Stefano Espinoza
- Department of Neuroscience and Brain Technologies
- Istituto Italiano di Tecnologia
- Genoa
- Italy
| | - Michele Tonelli
- Department of Pharmacy
- University of Genoa
- 3, 16132 Genoa
- Italy
| | - Silvia Franchini
- Department of Life Sciences
- University of Modena and Reggio Emilia
- 41125 Modena
- Italy
| | | | - Claudia Sorbi
- Department of Life Sciences
- University of Modena and Reggio Emilia
- 41125 Modena
- Italy
| | - Raul R. Gainetdinov
- Department of Neuroscience and Brain Technologies
- Istituto Italiano di Tecnologia
- Genoa
- Italy
- Institute of Translational Biomedicine
| | - Livio Brasili
- Department of Life Sciences
- University of Modena and Reggio Emilia
- 41125 Modena
- Italy
| | - Paola Fossa
- Department of Pharmacy
- University of Genoa
- 3, 16132 Genoa
- Italy
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16
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Li Q, Tachie-Baffour Y, Liu Z, Baldwin MW, Kruse AC, Liberles SD. Non-classical amine recognition evolved in a large clade of olfactory receptors. eLife 2015; 4:e10441. [PMID: 26519734 PMCID: PMC4695389 DOI: 10.7554/elife.10441] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Accepted: 10/28/2015] [Indexed: 11/13/2022] Open
Abstract
Biogenic amines are important signaling molecules, and the structural basis for their recognition by G Protein-Coupled Receptors (GPCRs) is well understood. Amines are also potent odors, with some activating olfactory trace amine-associated receptors (TAARs). Here, we report that teleost TAARs evolved a new way to recognize amines in a non-classical orientation. Chemical screens de-orphaned eleven zebrafish TAARs, with agonists including serotonin, histamine, tryptamine, 2-phenylethylamine, putrescine, and agmatine. Receptors from different clades contact ligands through aspartates on transmembrane α-helices III (canonical Asp3.32) or V (non-canonical Asp5.42), and diamine receptors contain both aspartates. Non-classical monoamine recognition evolved in two steps: an ancestral TAAR acquired Asp5.42, gaining diamine sensitivity, and subsequently lost Asp3.32. Through this transformation, the fish olfactory system dramatically expanded its capacity to detect amines, ecologically significant aquatic odors. The evolution of a second, alternative solution for amine detection by olfactory receptors highlights the tremendous structural versatility intrinsic to GPCRs. DOI:http://dx.doi.org/10.7554/eLife.10441.001 Many organisms make molecules called biogenic amines. These molecules, which include the human hormones adrenaline and histamine, have important roles in regulating the biology and behaviour of many animals. Some biogenic amines bind to receptor proteins called GPCRs on the surface of cells. Many drugs can affect the activity of GPCRs, so understanding how different GPCRs work is an important goal of the pharmaceutical industry. Like all proteins, GPCRs are made of chains of molecules called amino acids. The GPCRs that can detect biogenic amines use a particular amino acid named Asp3.32, and when this amino acid is mutated, these GPCRs become unable to bind to their target amine. Trace amine-associated receptors (TAARs) are a type of GPCR that are found in many animals to detect odors. Most TAARs in mammals contain the Asp3.32 residue, and recognize amine odors. However, many fish TAARs do not contain Asp3.32, and it was not clear what molecules these fish receptors detect. Here Li et al. find that these fish TAARs also recognize amines, and use a different amino acid called Asp5.42. Also, some TAARs contain both Asp3.32 and Asp5.42, and recognize chemicals with two amines named diamines. Some diamines that bind to TAARs are foul smelling odors; for example, cadaverine and putrescine are repulsive smells emitted by decomposing flesh. In total, the experiments identified amines that can bind to eleven zebrafish TAARs that previously had no odor partner. Li et al. propose that some fish TAARs lost the Asp3.32 during the course of evolution to leave the Asp5.42 as the main interaction site for amines. This change dramatically altered how these TAARs interact with amines, which probably expanded the number of different amines that fish can detect. These findings open up new ways to study how the fish brain processes information about its surroundings. DOI:http://dx.doi.org/10.7554/eLife.10441.002
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Affiliation(s)
- Qian Li
- Department of Cell Biology, Harvard Medical School, Boston, United States
| | - Yaw Tachie-Baffour
- Department of Cell Biology, Harvard Medical School, Boston, United States
| | - Zhikai Liu
- Department of Cell Biology, Harvard Medical School, Boston, United States
| | - Maude W Baldwin
- Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, Cambridge, United States
| | - Andrew C Kruse
- Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, United States
| | - Stephen D Liberles
- Department of Cell Biology, Harvard Medical School, Boston, United States
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17
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Korpi ER, den Hollander B, Farooq U, Vashchinkina E, Rajkumar R, Nutt DJ, Hyytiä P, Dawe GS. Mechanisms of Action and Persistent Neuroplasticity by Drugs of Abuse. Pharmacol Rev 2015; 67:872-1004. [DOI: 10.1124/pr.115.010967] [Citation(s) in RCA: 101] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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18
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Cöster M, Biebermann H, Schöneberg T, Stäubert C. Evolutionary Conservation of 3-Iodothyronamine as an Agonist at the Trace Amine-Associated Receptor 1. Eur Thyroid J 2015; 4:9-20. [PMID: 26601069 PMCID: PMC4640299 DOI: 10.1159/000430839] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Revised: 04/21/2015] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVES The trace amine-associated receptor 1 (Taar1) is a Gs protein-coupled receptor activated by trace amines, such as β-phenylethylamine (β-PEA) and 3-iodothyronamine (T1AM). T1AM is an endogenous biogenic amine and thyroid hormone derivative that exerts several biological functions. However, the physiological relevance of T1AM acting via Taar1 is still under discussion. Therefore, we studied the structural and functional evolution of Taar1 in vertebrates to provide evidence for a conserved Taar1-mediated T1AM function. STUDY DESIGN We searched public sequence databases to retrieve Taar1 sequence information from vertebrates. We cloned and functionally characterized Taar1 from selected vertebrate species using cAMP assays to determine the evolutionary conservation of T1AM action at Taar1. RESULTS We found intact open reading frames of Taar1 in more than 100 vertebrate species, including mammals, sauropsids and amphibians. Evolutionary conservation analyses of Taar1 protein sequences revealed a high variation in amino acid residues proposed to be involved in agonist binding, especially in rodent Taar1 orthologs. Functional characterization showed that T1AM, β-PEA and p-tyramine (p-Tyr) act as agonists at all tested orthologs, but EC50 values of T1AM at rat Taar1 differed significantly when compared to all other tested vertebrate Taar1. CONCLUSIONS The high structural conservation of Taar1 throughout vertebrate evolution highlights the physiological relevance of Taar1, but species-specific differences in T1AM potency at Taar1 orthologs suggest a specialization of rat Taar1 for T1AM recognition. In contrast, β-PEA and p-Tyr potencies were rather conserved throughout all tested Taar1 orthologs. We provide evidence that the observed differences in potency are related to differences in constraint during Taar1 evolution.
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Affiliation(s)
- Maxi Cöster
- Institute of Biochemistry, Faculty of Medicine, University of Leipzig, Leipzig, Germany
| | - Heike Biebermann
- Institut für Experimenelle Pädiatrische Endokrinologie, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Torsten Schöneberg
- Institute of Biochemistry, Faculty of Medicine, University of Leipzig, Leipzig, Germany
| | - Claudia Stäubert
- Institute of Biochemistry, Faculty of Medicine, University of Leipzig, Leipzig, Germany
- *Claudia Stäubert, Institute of Biochemistry, Molecular Biochemistry, Faculty of Medicine, University of Leipzig, Johannisallee 30, DE-04103 Leipzig (Germany), E-Mail
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19
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Lam VM, Espinoza S, Gerasimov AS, Gainetdinov RR, Salahpour A. In-vivo pharmacology of Trace-Amine Associated Receptor 1. Eur J Pharmacol 2015; 763:136-42. [DOI: 10.1016/j.ejphar.2015.06.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2015] [Revised: 05/26/2015] [Accepted: 06/15/2015] [Indexed: 11/30/2022]
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20
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Harkness JH, Shi X, Janowsky A, Phillips TJ. Trace Amine-Associated Receptor 1 Regulation of Methamphetamine Intake and Related Traits. Neuropsychopharmacology 2015; 40:2175-84. [PMID: 25740289 PMCID: PMC4613607 DOI: 10.1038/npp.2015.61] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 02/17/2015] [Accepted: 03/03/2015] [Indexed: 12/17/2022]
Abstract
Continued methamphetamine (MA) use is dependent on a positive MA experience and is likely attenuated by sensitivity to the aversive effects of MA. Bidirectional selective breeding of mice for high (MAHDR) or low (MALDR) voluntary consumption of MA demonstrates a genetic influence on MA intake. Quantitative trait locus (QTL) mapping identified a QTL on mouse chromosome 10 that accounts for greater than 50% of the genetically-determined differences in MA intake in the MAHDR and MALDR lines. The trace amine-associated receptor 1 gene (Taar1) is within the confidence interval of the QTL and encodes a receptor (TAAR1) that modulates monoamine neurotransmission and at which MA serves as an agonist. We demonstrate the existence of a non-functional allele of Taar1 in the DBA/2J mouse strain, one of the founder strains of the selected lines, and show that this non-functional allele co-segregates with high MA drinking and with reduced sensitivity to MA-induced conditioned taste aversion (CTA) and hypothermia. The functional Taar1 allele, derived from the other founder strain, C57BL/6J, segregates with low MA drinking and heightened sensitivity to MA-induced CTA and hypothermia. A role for TAAR1 in these phenotypes is corroborated in Taar1 transgenic mice: Taar1 knockout mice consume more MA and exhibit insensitivity to MA-induced CTA and hypothermia, compared with Taar1 wild-type mice. These are the first data to show that voluntary MA consumption is, in part, regulated by TAAR1 function. Behavioral and physiological studies indicate that TAAR1 function increases sensitivity to aversive effects of MA, and may thereby protect against MA use.
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Affiliation(s)
- John H Harkness
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA,Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, USA
| | - Xiao Shi
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA,Department of Psychiatry, Oregon Health & Science University, Portland, OR, USA
| | - Aaron Janowsky
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA,Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, USA,Department of Psychiatry, Oregon Health & Science University, Portland, OR, USA,Veterans Affairs Portland Health Care System, Portland, OR, USA
| | - Tamara J Phillips
- Methamphetamine Abuse Research Center, Oregon Health & Science University, Portland, OR, USA,Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, OR, USA,Veterans Affairs Portland Health Care System, Portland, OR, USA,Veterans Affairs Portland Health Care System, R&D 32, 3710 SW US Veterans Hospital Road, Portland, OR 97239, USA, Tel: +1 503 220 8262 ex: 56674, Fax: +1 503 721 1029, E-mail:
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21
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Chiellini G, Nesi G, Digiacomo M, Malvasi R, Espinoza S, Sabatini M, Frascarelli S, Laurino A, Cichero E, Macchia M, Gainetdinov RR, Fossa P, Raimondi L, Zucchi R, Rapposelli S. Design, Synthesis, and Evaluation of Thyronamine Analogues as Novel Potent Mouse Trace Amine Associated Receptor 1 (mTAAR1) Agonists. J Med Chem 2015; 58:5096-107. [DOI: 10.1021/acs.jmedchem.5b00526] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Giulia Nesi
- Deptartment
of Pharmacy, University of Pisa, via Bonanno 6, 56100 Pisa, Italy
| | - Maria Digiacomo
- Deptartment
of Pharmacy, University of Pisa, via Bonanno 6, 56100 Pisa, Italy
| | - Rossella Malvasi
- Deptartment
of Pharmacy, University of Pisa, via Bonanno 6, 56100 Pisa, Italy
| | - Stefano Espinoza
- Department
of Neuroscience and Brain Technologies, Istituto Italiano di Tecnologia, 16163 Genova, Italy
| | | | | | - Annunziatina Laurino
- Department
of NEUROFARBA, Section of Pharmacology, University of Florence, 50121 Firenze, Italy
| | - Elena Cichero
- Department
of Pharmacy, University of Genoa, 16126 Genoa, Italy
| | - Marco Macchia
- Deptartment
of Pharmacy, University of Pisa, via Bonanno 6, 56100 Pisa, Italy
| | - Raul R. Gainetdinov
- Institute
of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034, Russia
- Skolkovo Institute of Science and Technology (Skoltech), Skolkovo, Moscow region, 143025, Russia
| | - Paola Fossa
- Department
of Pharmacy, University of Genoa, 16126 Genoa, Italy
| | - Laura Raimondi
- Department
of NEUROFARBA, Section of Pharmacology, University of Florence, 50121 Firenze, Italy
| | - Riccardo Zucchi
- Department
of Pathology, University of Pisa, 56100 Pisa, Italy
| | - Simona Rapposelli
- Deptartment
of Pharmacy, University of Pisa, via Bonanno 6, 56100 Pisa, Italy
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22
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Liberles SD. Trace amine-associated receptors: ligands, neural circuits, and behaviors. Curr Opin Neurobiol 2015; 34:1-7. [PMID: 25616211 DOI: 10.1016/j.conb.2015.01.001] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/05/2015] [Accepted: 01/06/2015] [Indexed: 11/27/2022]
Abstract
Trace amine-associated receptors (TAARs) are G Protein-Coupled Receptors that function as vertebrate olfactory receptors. Like odorant receptors, TAARs constitute an ever-evolving sensory subsystem, with individual TAARs recognizing particular chemicals and some evoking stereotyped behaviors. Several TAARs mediate aversion or attraction towards volatile amines that include the mouse odor trimethylamine, the predator odor 2-phenylethylamine, and the death-associated odor cadaverine. TAAR-expressing sensory neurons achieve monoallelic receptor expression, use canonical olfactory signaling molecules, and target a dedicated olfactory bulb region. In mouse, TAAR4 and TAAR5 are encoded by adjacent genes and localize to adjacent glomeruli, yet mediate opposing behaviors. Future studies are needed to understand how TAAR-expressing sensory neurons engage higher-order neural circuits to encode odor valence.
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Affiliation(s)
- Stephen D Liberles
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.
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23
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Lam VM, Rodríguez D, Zhang T, Koh EJ, Carlsson J, Salahpour A. Discovery of trace amine-associated receptor 1 ligands by molecular docking screening against a homology model. MEDCHEMCOMM 2015. [DOI: 10.1039/c5md00400d] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An in silico screen of a TAAR1 homology model identifies novel ligands.
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Affiliation(s)
- V. M. Lam
- Department of Pharmacology and Toxicology
- University of Toronto
- Toronto
- Canada
| | - D. Rodríguez
- Science for Life Laboratory
- Department of Biochemistry and Biophysics and Center for Biomembrane Research
- Stockholm University
- SE-106 91 Stockholm
- Sweden
| | - T. Zhang
- Department of Pharmacology and Toxicology
- University of Toronto
- Toronto
- Canada
| | - E. J. Koh
- Department of Pharmacology and Toxicology
- University of Toronto
- Toronto
- Canada
| | - J. Carlsson
- Science for Life Laboratory
- Department of Medicinal Chemistry
- BMC
- Uppsala University
- SE-751 23 Uppsala
| | - A. Salahpour
- Department of Pharmacology and Toxicology
- University of Toronto
- Toronto
- Canada
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24
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Abstract
G protein-coupled trace amine-associated receptor 1 (TAAR1) is expressed in several brain regions and modulates dopaminergic activity partially by affecting D2 dopamine receptor function. In vitro, the nonselective dopamine agonist apomorphine can activate mouse and rat TAAR1. The aim of the present study was to evaluate whether apomorphine activity at the rodent TAAR1 observed in in vitro studies contributes to its behavioral manifestation in mice. For this purpose, we compared the behavioral effects of a wide range of apomorphine doses in wild type (WT) and TAAR1 knockout (TAAR1-KO) mice. Apomorphine-induced locomotor responses (0.01-4.0 mg/kg) were tested in locomotor activity boxes, and stereotypic behavior at 5 mg/kg was tested by ethological methods. A gnawing test was used to analyze the effects of the highest dose of apomorphine (10 mg/kg). No statistically significant differences were observed between TAAR1-KO and WT mice following inhibitory pre-synaptic low doses of apomorphine. At higher doses (2.0-5.0 mg/kg), apomorphine-induced climbing behavior was significantly reduced in TAAR1 mutants relative to WT controls. Moreover, the lack of TAAR1 receptors decreased certain types of stereotypies (as reflected in by measures of the global stereotypy score, licking but not sniffing or gnawing) that were induced by high doses of apomorphine. These data indicate that apomorphine activity at TAAR1 contributes to some behavioral manifestations, particularly climbing, in rodents following high doses of this drug. The contribution of TAAR1 to apomorphine-induced climbing in rodents should be considered when apomorphine is used as a screening tool in the search for potential antipsychotics.
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25
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Pei Y, Lee J, Leo D, Gainetdinov RR, Hoener MC, Canales JJ. Activation of the trace amine-associated receptor 1 prevents relapse to cocaine seeking. Neuropsychopharmacology 2014; 39:2299-308. [PMID: 24722355 PMCID: PMC4138750 DOI: 10.1038/npp.2014.88] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Revised: 03/22/2014] [Accepted: 04/04/2014] [Indexed: 02/08/2023]
Abstract
The trace amine-associated receptor 1 (TAAR1) has emerged as a promising target for medication development in addiction because of its ability to regulate dopamine (DA) transmission. We tested in rats the efficacy of RO5203648 and RO5256390, partial and full TAAR1 agonists, respectively, in models of cocaine relapse. Using a model of context-induced relapse, both RO5203648 and RO5256390 dose-dependently suppressed cocaine seeking after a 2-week period of withdrawal from chronic cocaine self-administration. In a model of extinction-reinstatement, RO5203648 completely inhibited cocaine-primed reinstatement of cocaine seeking. At doses that effectively suppressed cocaine seeking neither RO5203648 nor RO5256390 altered responding maintained by a natural reward. Moreover, fast scan cyclic voltammetry data showed that RO5203648 prevented cocaine-induced DA overflow in the nucleus accumbens without altering DA half-life, suggesting that the partial TAAR1 agonist attenuated cocaine-stimulated DA overflow by mechanisms other than direct interference with DA uptake. Collectively, these data provide strong evidence in support of TAAR1 as a neuropharmacological target for the treatment of cocaine addiction.
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Affiliation(s)
- Yui Pei
- Behavioural Neuroscience, Department of Psychology, University of Canterbury, Christchurch, New Zealand
| | - Jungah Lee
- Behavioural Neuroscience, Department of Psychology, University of Canterbury, Christchurch, New Zealand
| | - Damiana Leo
- Department of Neuroscience and Brain Technologies, Italian Institute of Technology, Genoa, Italy
| | - Raul R Gainetdinov
- Department of Neuroscience and Brain Technologies, Italian Institute of Technology, Genoa, Italy,Skolkovo Institute of Science and Technology, Skolkovo, Russia,Faculty of Biology and Soil Science, St Petersburg State University, St Petersburg, Russia
| | - Marius C Hoener
- Neuroscience Research, Pharmaceuticals Division, F Hoffmann-La Roche, Basel, Switzerland
| | - Juan J Canales
- Behavioural Neuroscience, Department of Psychology, University of Canterbury, Christchurch, New Zealand,Behavioural Neuroscience, Department of Psychology, University of Canterbury, Private Bag 4800, Christchurch 8140, New Zealand, Tel: +64 3 364 2987 Ext. 7005 (office) 7303 (lab), Fax: +64 3 364 2181, E-mail:
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Liu X, Grandy DK, Janowsky A. Ractopamine, a livestock feed additive, is a full agonist at trace amine-associated receptor 1. J Pharmacol Exp Ther 2014; 350:124-9. [PMID: 24799633 DOI: 10.1124/jpet.114.213116] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Ractopamine (RAC) is fed to an estimated 80% of all beef, swine, and turkey raised in the United States. It promotes muscle mass development, limits fat deposition, and reduces feed consumption. However, it has several undesirable behavioral side effects in livestock, especially pigs, including restlessness, agitation, excessive oral-facial movements, and aggressive behavior. Numerous in vitro and in vivo studies suggest RAC's physiological actions begin with its stimulation of β1- and β2-adrenergic receptor-mediated signaling in skeletal muscle and adipose tissue; however, the molecular pharmacology of RAC's psychoactive effects is poorly understood. Using human cystic fibrosis transmembrane conductance regulator (hCFTR) chloride channels as a sensor for intracellular cAMP, we found that RAC and p-tyramine (TYR) produced concentration-dependent increases in chloride conductance in oocytes coexpressing hCFTR and mouse trace amine-associated receptor 1 (mTAAR1), which was completely reversed by the trace amine-associated receptor 1 (TAAR1)-selective antagonist EPPTB [N-(3-ethoxyphenyl)-4-pyrrolidin-1-yl-3-trifluoromethylbenzamide]. Oocytes coexpressing hCFTR and the human β2-adrenergic receptor showed no response to RAC or TYR. These studies demonstrate that, contrary to expectations, RAC is not an agonist of the human β2-adrenergic receptor but rather a full agonist for mTAAR1. Since TAAR1-mediated signaling can influence cardiovascular tone and behavior in several animal models, our finding that RAC is a full mTAAR1 agonist supports the idea that this novel mechanism of action influences the physiology and behavior of pigs and other species. These findings should stimulate future studies to characterize the pharmacological, physiological, and behavioral actions of RAC in humans and other species exposed to this drug.
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Affiliation(s)
- Xuehong Liu
- Department of Physiology and Pharmacology, School of Medicine (X.L., D.K.G.), Knight Cardiovascular Institute (D.K.G.), Research Service, Department of Veterans Affairs Medical Center, and Departments of Psychiatry and Behavioral Neuroscience (A.J.), and The Methamphetamine Abuse Research Center (D.K.G., A.J.), Oregon Health and Science University, Portland, Oregon
| | - David K Grandy
- Department of Physiology and Pharmacology, School of Medicine (X.L., D.K.G.), Knight Cardiovascular Institute (D.K.G.), Research Service, Department of Veterans Affairs Medical Center, and Departments of Psychiatry and Behavioral Neuroscience (A.J.), and The Methamphetamine Abuse Research Center (D.K.G., A.J.), Oregon Health and Science University, Portland, Oregon
| | - Aaron Janowsky
- Department of Physiology and Pharmacology, School of Medicine (X.L., D.K.G.), Knight Cardiovascular Institute (D.K.G.), Research Service, Department of Veterans Affairs Medical Center, and Departments of Psychiatry and Behavioral Neuroscience (A.J.), and The Methamphetamine Abuse Research Center (D.K.G., A.J.), Oregon Health and Science University, Portland, Oregon
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Taar1-mediated modulation of presynaptic dopaminergic neurotransmission: role of D2 dopamine autoreceptors. Neuropharmacology 2014; 81:283-91. [PMID: 24565640 DOI: 10.1016/j.neuropharm.2014.02.007] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 02/12/2014] [Accepted: 02/12/2014] [Indexed: 12/25/2022]
Abstract
Trace Amine-Associated Receptor 1 (TAAR1) is a G protein-coupled receptor (GPCR) expressed in several mammalian brain areas and activated by "trace amines" (TAs). TAs role is unknown; however, discovery of their receptors provided an opportunity to investigate their functions. In vivo evidence has indicated an inhibitory influence of TAAR1 on dopamine (DA) neurotransmission, presumably via modulation of dopamine transporter (DAT) or interaction with the D2 DA receptor and/or activation of inwardly rectifying K(+) channels. To elucidate the mechanisms of TAAR1-dependent modulation, we used TAAR1 knockout mice (TAAR1-KO), a TAAR1 agonist (RO5166017) and a TAAR1 antagonist (EPPTB) in a set of neurochemical experiments. Analysis of the tissue content of TAAR1-KO revealed increased level of the DA metabolite homovanillic acid (HVA), and in vivo microdialysis showed increased extracellular DA in the nucleus accumbens (NAcc) of TAAR1-KO. In fast scan cyclic voltammetry (FSCV) experiments, the evoked DA release was higher in the TAAR1-KO NAcc. Furthermore, the agonist RO5166017 induced a decrease in the DA release in wild-type that could be prevented by the application of the TAAR1 antagonist EPPTB. No alterations in DA clearance, which are mediated by the DAT, were observed. To evaluate the interaction between TAAR1 and D2 autoreceptors, we tested the autoreceptor-mediated dynamics. Only in wild type mice, the TAAR1 agonist was able to potentiate quinpirole-induced inhibitory effect on DA release. Furthermore, the short-term plasticity of DA release following paired pulses was decreased in TAAR1-KO, indicating less autoinhibition of D2 autoreceptors. These observations suggest a close interaction between TAAR1 and the D2 autoreceptor regulation.
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Neuronal Functions and Emerging Pharmacology of TAAR1. TOPICS IN MEDICINAL CHEMISTRY 2014. [DOI: 10.1007/7355_2014_78] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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