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Kamiński P, Lorek M, Baszyński J, Tadrowski T, Gorzelańczyk EJ, Feit J, Tkaczenko H, Owoc J, Woźniak A, Kurhaluk N. Role of antioxidants in the neurobiology of drug addiction: An update. Biomed Pharmacother 2024; 175:116604. [PMID: 38692055 DOI: 10.1016/j.biopha.2024.116604] [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: 12/31/2023] [Revised: 04/13/2024] [Accepted: 04/16/2024] [Indexed: 05/03/2024] Open
Abstract
Relationships between protective enzymatic and non-enzymatic pro-antioxidant mechanisms and addictive substances use disorders (SUDs) are analyzed here, based on the results of previous research, as well as on the basis of our current own studies. This review introduces new aspects of comparative analysis of associations of pro-antixidant and neurobiological effects in patients taking psychoactive substances and complements very limited knowledge about relationships with SUDs from different regions, mainly Europe. In view of the few studies on relations between antioxidants and neurobiological processes acting in patients taking psychoactive substances, this review is important from the point of view of showing the state of knowledge, directions of diagnosis and treatment, and further research needed explanation. We found significant correlations between chemical elements, pro-antioxidative mechanisms, and lipoperoxidation in the development of disorders associated with use of addictive substances, therefore elements that show most relations (Pr, Na, Mn, Y, Sc, La, Cr, Al, Ca, Sb, Cd, Pb, As, Hg, Ni) may be significant factors shaping SUDs. The action of pro-antioxidant defense and lipid peroxidation depends on the pro-antioxidative activity of ions. We explain the strongest correlations between Mg and Sb, and lipoperoxidation in addicts, which proves their stimulating effect on lipoperoxidation and on the induction of oxidative stress. We discussed which mechanisms and neurobiological processes change susceptibility to SUDs. The innovation of this review is to show that addicted people have lower activity of dismutases and peroxidases than healthy ones, which indicates disorders of antioxidant system and depletion of enzymes after long-term tolerance of stressors. We explain higher level of catalases, reductases, ceruloplasmin, bilirubin, retinol, α-tocopherol and uric acid of addicts. In view of poorly understood factors affecting addiction, analysis of interactions allows for more effective understanding of pathogenetic mechanisms leading to formation of addiction and development the initiation of directed, more effective treatment (pharmacological, hormonal) and may be helpful in the diagnosis of psychoactive changes.
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Affiliation(s)
- Piotr Kamiński
- Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Division of Medical Biology and Biochemistry, Division of Ecology and Environmental Protection, M. Skłodowska-Curie St. 9, Bydgoszcz PL 85-094, Poland; University of Zielona Góra, Faculty of Biological Sciences, Institute of Biological Sciences, Department of Biotechnology, Prof. Z. Szafran St. 1, Zielona Góra PL 65-516, Poland.
| | - Małgorzata Lorek
- Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Division of Medical Biology and Biochemistry, Division of Ecology and Environmental Protection, M. Skłodowska-Curie St. 9, Bydgoszcz PL 85-094, Poland
| | - Jędrzej Baszyński
- Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Division of Medical Biology and Biochemistry, Division of Ecology and Environmental Protection, M. Skłodowska-Curie St. 9, Bydgoszcz PL 85-094, Poland
| | - Tadeusz Tadrowski
- Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Department of Dermatology and Venereology, Faculty of Medicine M. Skłodowska-Curie St. 9, Bydgoszcz PL 85-094, Poland
| | - Edward Jacek Gorzelańczyk
- Kazimierz Wielki University in Bydgoszcz, Institute of Philosophy, M.K. Ogińskiego St. 16, Bydgoszcz PL 85-092, Poland; Adam Mickiewicz University in Poznań, Faculty of Mathematics and Computer Science, Uniwersyt Poznański St, 4, Poznań PL 61-614, Poland; Primate Cardinal Stefan Wyszyński Provincial Hospital in Sieradz, Psychiatric Centre in Warta, Sieradzka St. 3, Warta PL 98-290, Poland; Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Department of Theoretical Foundations of Biomedical Sciences and Medical Computer Science, Faculty of Pharmacy, Jagiellońska St. 15, Bydgoszcz PL 85-067, Poland
| | - Julia Feit
- Pallmed sp. z o.o., W. Roentgen St. 3, Bydgoszcz PL 85-796, Poland
| | - Halina Tkaczenko
- Pomeranian University in Słupsk, Institute of Biology, Arciszewski St. 22 B, Słupsk PL 76-200, Poland
| | - Jakub Owoc
- National Institute of Geriatrics, Rheumatology and Rehabilitation named after prof. dr hab. Eleonora Reicher, MD, Spartańska St. 1, Warszawa PL 02-637, Poland
| | - Alina Woźniak
- Nicholaus Copernicus University, Collegium Medicum in Bydgoszcz, Department of Medical Biology and Biochemistry, M. Karłowicz St. 24, Bydgoszcz PL 85-092, Poland
| | - Natalia Kurhaluk
- Pomeranian University in Słupsk, Institute of Biology, Arciszewski St. 22 B, Słupsk PL 76-200, Poland
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Hernández-Alvarado RB, Madariaga-Mazón A, Cosme-Vela F, Marmolejo-Valencia AF, Nefzi A, Martinez-Mayorga K. Encoding mu-opioid receptor biased agonism with interaction fingerprints. J Comput Aided Mol Des 2021; 35:1081-1093. [PMID: 34713377 DOI: 10.1007/s10822-021-00422-5] [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: 06/30/2021] [Accepted: 10/07/2021] [Indexed: 10/20/2022]
Abstract
Opioids are potent painkillers, however, their therapeutic use requires close medical monitoring to diminish the risk of severe adverse effects. The G-protein biased agonists of the μ-opioid receptor (MOR) have shown safer therapeutic profiles than non-biased ligands. In this work, we performed extensive all-atom molecular dynamics simulations of two markedly biased ligands and a balanced reference molecule. From those simulations, we identified a protein-ligand interaction fingerprint that characterizes biased ligands. Then, we built and virtually screened a database containing 68,740 ligands with proven or potential GPCR agonistic activity. Exemplary molecules that fulfill the interacting pattern for biased agonism are showcased, illustrating the usefulness of this work for the search of biased MOR ligands and how this contributes to the understanding of MOR biased signaling.
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Affiliation(s)
| | | | - Fernando Cosme-Vela
- Instituto de Química, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | | | - Adel Nefzi
- Center for Translational Science, Florida International University, Port St. Lucie, FL, USA.,Torrey Pines Institute for Molecular Studies, Port St. Lucie, FL, USA
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Zou Y, Ewalt J, Ng HL. Recent Insights from Molecular Dynamics Simulations for G Protein-Coupled Receptor Drug Discovery. Int J Mol Sci 2019; 20:E4237. [PMID: 31470676 PMCID: PMC6747122 DOI: 10.3390/ijms20174237] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 08/26/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023] Open
Abstract
G protein-coupled receptors (GPCRs) are critical drug targets. GPCRs convey signals from the extracellular to the intracellular environment through G proteins. Some ligands that bind to GPCRs activate different downstream signaling pathways. G protein activation, or -arrestin biased signaling, involves ligands binding to receptors and stabilizing conformations that trigger a specific pathway. -arrestin biased signaling has become a hot target for structure-based drug discovery. However, challenges include that there are few crystal structures available in the Protein Data Bank and that GPCRs are highly dynamic. Hence, molecular dynamics (MD) simulations are especially valuable for obtaining detailed mechanistic information, including identification of allosteric sites and understanding modulators' interactions with receptors and ligands. Here, we highlight recent MD simulation studies and enhanced sampling methods used to study biased G protein-coupled receptor signaling and their conformational dynamics as well as applications to drug discovery.
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Affiliation(s)
- Ye Zou
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA
| | - John Ewalt
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA
| | - Ho-Leung Ng
- Department of Biochemistry and Molecular Biophysics, Kansas State University, Manhattan, KS 66506, USA.
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Molecular dynamics of fentanyl bound to μ-opioid receptor. J Mol Model 2019; 25:144. [DOI: 10.1007/s00894-019-3999-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 03/21/2019] [Indexed: 12/17/2022]
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Florentino IF, Silva DPB, Cardoso CS, Menegatti R, de Carvalho FS, Lião LM, Pinto PM, Peigneur S, Costa EA, Tytgat J. Antinociceptive effects of new pyrazoles compounds mediated by the ASIC-1α channel, TRPV-1 and μMOR receptors. Biomed Pharmacother 2019; 115:108915. [PMID: 31055237 DOI: 10.1016/j.biopha.2019.108915] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 04/23/2019] [Accepted: 04/23/2019] [Indexed: 12/15/2022] Open
Abstract
Pyrazoles are potent medicinal scaffolds and exhibit a wide spectrum of biological activities, such as analgesic, anti-inflammatory and antipyretic. In this paper we report on research we have performed with the aim of continuing the biological evaluation of the regio-isomeric pyrazole compounds, LQFM-020 (fluorine, para position), LQFM-021 (fluorine, meta position), and LQFM-039 (fluorine, ortho position) in models of pain induced by acidified saline, capsaicin, and formalin. We also investigated the mechanisms of action of these compounds via electrophysiological analyses using the two-electrode voltage-clamp technique and heterologous expression in Xenopus laevis oocytes. This enabled us to study different potassium channel subtypes: the ASIC-1α channel, TRPV-1, and μMOR receptors. Our results indicate that LQFM-020, LQFM-021, and LQFM-039 (15, 30 or 60 mg.kg-1) compounds inhibited the nociceptive response induced by acidified saline in a dose-dependent manner. The dose of 30 mg.kg-1 inhibited the nociceptive response induced by capsaicin by 53.3%, 51.4%, and 52.1%, respectively. In addition, we found that naloxone reverses the antinociceptive effect produced by the compounds in both phases of the formalin test. In electrophysiological analyses, we observed that the LQFM-020, LQFM-021, and LQFM-039 compounds did not modulate voltage-gated K + channel subtypes. In contrast, all the compounds tested inhibited the ASIC-1α channel at pH 4.5, with IC50-values of 96.1, 91.6, and 235.2 μM, respectively. All compounds also inhibited the TRPV-1 channel with IC50-values of 139.1, 212.5, and 159.1 μM, respectively. In contrast to the ASIC-1α and TRPV-1 targets, all compounds showed agonist activity on the μMOR receptor with an EC50-value of 117.4, 98.9, and 86.3 μM, respectively. We thus conclude that the ASIC-1α, TRPV-1, and μMOR channels are targets that are directly involved in the antinociceptive effect of LQFM-020, LQFM-021, and LQFM-039. Furthermore, the modifications of the fluorine positions in the phenyl analogs do not change the analgesic effect. However, LQFM-039 showed lower interaction with ASIC-1α channel.
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Affiliation(s)
- Iziara F Florentino
- Institute of Biological Sciences, Department of Pharmacology, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil; Toxicology and Pharmacology, University of Leuven (KU Leuven), Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, Leuven, Belgium
| | - Daiany P B Silva
- Institute of Biological Sciences, Department of Pharmacology, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Carina Sofia Cardoso
- Institute of Biological Sciences, Department of Pharmacology, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Ricardo Menegatti
- Faculty of Pharmacy, Laboratory of Medicinal Pharmaceutical Chemistry, Federal University of Goiás, Goiânia, GO, Brazil
| | - Flávio S de Carvalho
- Chemistry Institute, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Luciano M Lião
- Chemistry Institute, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Paulo M Pinto
- Laboratory of Applied Proteomics, Federal University of Pampa, Campus São Gabriel, RS, Brazil
| | - Steve Peigneur
- Toxicology and Pharmacology, University of Leuven (KU Leuven), Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, Leuven, Belgium
| | - Elson A Costa
- Institute of Biological Sciences, Department of Pharmacology, Federal University of Goiás, Campus Samambaia, Goiânia, GO, Brazil
| | - Jan Tytgat
- Toxicology and Pharmacology, University of Leuven (KU Leuven), Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, Leuven, Belgium.
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Viet CT, Schmidt BL. Biologic mechanisms of oral cancer pain and implications for clinical therapy. J Dent Res 2011; 91:447-53. [PMID: 21972258 DOI: 10.1177/0022034511424156] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Cancer pain is an ever-present public health concern. With innovations in treatment, cancer patients are surviving longer, but uncontrollable pain creates a poor quality of life for these patients. Oral cancer is unique in that it causes intense pain at the primary site and significantly impairs speech, swallowing, and masticatory functions. We propose that oral cancer pain has underlying biologic mechanisms that are generated within the cancer microenvironment. A comprehensive understanding of key mediators that control cross-talk between the cancer and peripheral nervous system, and possible interventions, underlies effective cancer pain management. The purpose of this review is to explore the current studies on oral cancer pain and their implications in clinical management for cancer pain in general. Furthermore, we will explore the endogenous opioid systems and novel cancer pain therapeutics that target these systems, which could solve the issue of opiate tolerance and improve quality of life in oral cancer patients.
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Affiliation(s)
- C T Viet
- Department of Oral Maxillofacial Surgery, New York University College of Dentistry, 421 First Avenue, 233W, New York, NY 10010, USA
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Dosen-Micovic L, Ivanovic M, Micovic V. Steric interactions and the activity of fentanyl analogs at the μ-opioid receptor. Bioorg Med Chem 2006; 14:2887-95. [PMID: 16376082 DOI: 10.1016/j.bmc.2005.12.010] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2005] [Revised: 11/24/2005] [Accepted: 12/02/2005] [Indexed: 01/07/2023]
Abstract
Fentanyl is a highly potent and clinically widely used narcotic analgesic. The synthesis of its analogs remains a challenge in the attempt to develop highly selective mu-opioid receptor agonists with specific pharmacological properties. In this paper, the use of flexible molecular docking in a study of the formation of complexes between a series of active fentanyl analogs and the mu-opioid receptor is described. The optimal position and orientation of fourteen fentanyl analogs in the binding pocket of the mu-receptor were determined. The major receptor amino acids and the ligand functional groups participating in the complex formation were identified. Stereochemical effects on the potency and binding are explained. The proposed model of ligand-receptor binding is in agreement with point mutation experiments explaining the role of the amino acids: Asp147, Tyr148, Asn230, His297, Trp318, His319, Cys321, and Tyr326 in the complex formation. In addition, the following amino acids were identified as being important for ligand binding or receptor activation: Ile322, Gly325, Val300, Met203, Leu200, Val143, and Ile144.
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Abstract
This paper is the 26th consecutive installment of the annual review of research concerning the endogenous opioid system, now spanning over a quarter-century of research. It summarizes papers published during 2003 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 (Section 2), and the roles of these opioid peptides and receptors in pain and analgesia (Section 3); stress and social status (Section 4); tolerance and dependence (Section 5); learning and memory (Section 6); eating and drinking (Section 7); alcohol and drugs of abuse (Section 8); sexual activity and hormones, pregnancy, development and endocrinology (Section 9); mental illness and mood (Section 10); seizures and neurologic disorders (Section 11); electrical-related activity and neurophysiology (Section 12); general activity and locomotion (Section 13); gastrointestinal, renal and hepatic functions (Section 14); cardiovascular responses (Section 15); respiration and thermoregulation (Section 16); and immunological responses (Section 17).
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology, Doctoral Sub-Program, Queens College, City University of New York, 65-30 Kissena Blvd., Flushing, NY 11367, USA.
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Pil J, Van der Veken P, Bal G, Augustyns K, Haemers A, Tytgat J. Synthesis and electrophysiological characterization of cyclic morphiceptin analogues. Biochem Pharmacol 2004; 67:1887-95. [PMID: 15130765 DOI: 10.1016/j.bcp.2004.02.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2003] [Accepted: 02/03/2004] [Indexed: 11/20/2022]
Abstract
A challenge in opioid peptide chemistry and pharmacology is the possibility to develop novel peptides with peripheral selectivity. An enzymatically stable opioid peptide could involve an antidiarrheal effect. For this reason, we constrained the highly selective and potent tetrapeptide morphiceptin with a 6-atom bridge, resulting in a cyclic amide and an ester analogue, 2 and 3, respectively. Taking advantage of the functional coupling of the opioid receptor with the heteromultimeric G-protein-coupled inwardly rectifying K+ (GIRK1/GIRK2) channel, either the wild-type mu-, kappa-, delta- or a mutated mu-opioid receptor (hMORS329A) was functionally co-expressed with GIRK1/GIRK2 channels and a regulator of G-protein signaling (RGS4) in Xenopus laevis oocytes. The two-microelectrode voltage clamp technique was used to measure the opioid receptor activated GIRK1/GIRK2 channel responses. Both cyclic analogues were equally potent via the wild-type mu-opioid receptor hMORwt (EC(50) value 976.5 +/- 41.7 for 2 and 1017.7 +/- 60.7 for 3), while the EC(50) value for Tyr-Pro-Phe-D-Pro-NH(2) measured 59.3 +/- 4.8 nM. These three agonists displayed a four to five times decreased potency via hMORS329A as compared to the wild type. Interestingly, no effect on kappa- and delta-opioid receptors was observed. The intramolecular bridge created by cyclization of morphiceptin prevents dipeptidyl peptidase IV from interacting with these analogues. We conclude that constraining morphiceptin with a 6-atom bridge resulted in enzymatically stable peptidomimetics that are exclusively active on mu-opioid receptors. These analogues provide an interesting template in the promising approach for the design of potential antidiarrheal agents.
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Affiliation(s)
- Joost Pil
- Laboratory of Toxicology, Faculty of Pharmaceutical Sciences, University of Leuven, Van Evenstraat 4, 3000 Leuven, Belgium
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