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Vekariya RH, Lei W, Ray A, Saini SK, Zhang S, Molnar G, Barlow D, Karlage KL, Bilsky EJ, Houseknecht KL, Largent-Milnes TM, Streicher JM, Ananthan S. Synthesis and Structure–Activity Relationships of 5′-Aryl-14-alkoxypyridomorphinans: Identification of a μ Opioid Receptor Agonist/δ Opioid Receptor Antagonist Ligand with Systemic Antinociceptive Activity and Diminished Opioid Side Effects. J Med Chem 2020; 63:7663-7694. [DOI: 10.1021/acs.jmedchem.0c00503] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Rakesh H. Vekariya
- Chemistry Department, Southern Research, Birmingham, Alabama 35205, United States
| | - Wei Lei
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona 85724, United States
| | - Abhisek Ray
- Chemistry Department, Southern Research, Birmingham, Alabama 35205, United States
| | - Surendra K. Saini
- Chemistry Department, Southern Research, Birmingham, Alabama 35205, United States
| | - Sixue Zhang
- Chemistry Department, Southern Research, Birmingham, Alabama 35205, United States
| | - Gabriella Molnar
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona 85724, United States
| | - Deborah Barlow
- Department of Biomedical Sciences, College of Osteopathic Medicine, University of New England, Biddeford, Maine 04005, United States
| | - Kelly L. Karlage
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona 85724, United States
| | - Edward J. Bilsky
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona 85724, United States
| | - Karen L. Houseknecht
- Department of Biomedical Sciences, College of Osteopathic Medicine, University of New England, Biddeford, Maine 04005, United States
| | - Tally M. Largent-Milnes
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona 85724, United States
| | - John M. Streicher
- Department of Pharmacology, College of Medicine, University of Arizona, Tucson, Arizona 85724, United States
| | - Subramaniam Ananthan
- Chemistry Department, Southern Research, Birmingham, Alabama 35205, United States
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Abstract
This paper is the thirty-eighth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2015 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia, stress and social status, tolerance and dependence, learning and memory, eating and drinking, drug abuse and alcohol, sexual activity and hormones, pregnancy, development and endocrinology, mental illness and mood, seizures and neurologic disorders, electrical-related activity and neurophysiology, general activity and locomotion, gastrointestinal, renal and hepatic functions, cardiovascular responses, respiration and thermoregulation, and immunological responses.
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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García-Martínez BA, Jaramillo-Morales OA, Espinosa-Juárez JV, Navarrete-Vázquez G, Melo-Hernández LA, Medina-López JR, Domínguez-Ramírez AM, Schepmann D, Wünsch B, López-Muñoz FJ. Antinociceptive effects of a new sigma-1 receptor antagonist (N-(2-morpholin-4-yl-ethyl)-2-(1-naphthyloxy)acetamide) in two types of nociception. Eur J Pharmacol 2016; 771:10-7. [PMID: 26683636 DOI: 10.1016/j.ejphar.2015.12.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2015] [Revised: 11/18/2015] [Accepted: 12/07/2015] [Indexed: 12/12/2022]
Abstract
Pain has become an active clinical challenge due its etiological heterogeneity, symptoms and mechanisms of action. In the search for new pharmacological therapeutic alternatives, sigma receptors have been proposed as drug targets. This family consists of sigma-1 and sigma-2 receptors. The sigma-1 system is involved in nociception through its chaperone activity. Additionally, it has been shown that agonist to these receptors promote related sensitisation and pain hypersensitisation, suggesting the possible use of antagonists for sigma-1 receptors as an alternative therapy. The aim of this study was to evaluate the antinociceptive effect of a new sigma-1 receptor antagonist N-(2-morpholin-4-yl-ethyl)-2-(1-naphthyloxy)acetamida (NMIN) in two types of pain (arthritic and neuropathic) and to compare its efficacy and potency with reference drugs. The antinociceptive effects of NMIN were quantitatively evaluated using the pain-induced functional impairment model in the rat and the acetone test in a rat model of neuropathic pain. NMIN (sigma-1 receptor affinity of 324nM) did not show any antinociceptive activity in the arthritic pain model but showed a dose-dependent anti-allodynic effect in neuropathic pain. NMIN showed a similar efficacy compared to the effects obtained with morphine and the sigma-1 antagonist BD-1063. However, these reference drugs showed increased potency compared with NMIN. Our results suggest that sigma-1 receptors may play an important direct role in neuropathic pain but not in arthritic pain, supporting the hypothesis that NMIN may be useful for the treatment of neuropathic pain.
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Affiliation(s)
- Betzabeth Anali García-Martínez
- Maestría en Cs. Farmacéuticas, Div. de CBS, Universidad Autónoma Metropolitana, Unidad Xochimilco, C.P. 04960 Delegación Coyoacán, México D.F., Mexico.
| | | | | | | | | | - José Raúl Medina-López
- Departamento Sistemas Biológicos, Universidad Autónoma Metropolitana, Unidad Xochimilco, México, D.F. 04960, Mexico.
| | | | - Dirk Schepmann
- Institut für Pharmazeutische und Medizinische Chemie der Westfälischen Wilhelms-Universität Münster, Germany.
| | - Bernhard Wünsch
- Institut für Pharmazeutische und Medizinische Chemie der Westfälischen Wilhelms-Universität Münster, Germany.
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