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Kamei T, Kudo T, Yamane H, Ishibashi F, Takada Y, Honda S, Maezawa Y, Ikeda K, Oyamada Y. Unique electrophysiological property of a novel Nav1.7, Nav1.8, and Nav1.9 sodium channel blocker, ANP-230. Biochem Biophys Res Commun 2024; 721:150126. [PMID: 38776832 DOI: 10.1016/j.bbrc.2024.150126] [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: 02/10/2024] [Revised: 04/28/2024] [Accepted: 05/13/2024] [Indexed: 05/25/2024]
Abstract
Voltage-gated sodium channel subtypes, Nav1.7, Nav1.8, and Nav1.9 are predominantly expressed in peripheral sensory neurons. Recent genetic studies have revealed that they are involved in pathological pain processing and that the blockade of Nav1.7, Nav1.8, or Nav1.9 will become a promising pharmacotherapy especially for neuropathic pain. A growing number of drug discovery programs have targeted either of the subtypes to obtain a selective inhibitor which can provide pain relief without affecting the cardiovascular and central nervous systems, though none of them has been approved yet. Here we describe the in vitro characteristics of ANP-230, a novel sodium channel blocker under clinical development. Surprisingly, ANP-230 was shown to block three pain-related subtypes, human Nav1.7, Nav1.8, and Nav1.9 with similar potency, but had only low inhibitory activity to human cardiac Nav1.5 channel and rat central Nav channels. The voltage clamp experiments using different step pulse protocols revealed that ANP-230 had a "tonic block" mode of action without state- and use-dependency. In addition, ANP-230 caused a depolarizing shift of the activation curve and decelerated gating kinetics in human Nav1.7-stably expressing cells. The depolarizing shift of activation curve was commonly observed in human Nav1.8-stably expressing cells as well as rat dorsal root ganglion neurons. These data suggested a quite unique mechanism of Nav channel inhibition by ANP-230. Finally, ANP-230 reduced excitability of rat dorsal root ganglion neurons in a concentration dependent manner. Collectively, these promising results indicate that ANP-230 could be a potent drug for neuropathic pain.
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Affiliation(s)
- Tatsuya Kamei
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan; Regenerative & Cellular Medicine Kobe Center, Sumitomo Pharma Co., Ltd., Kobe, 650-0047, Japan.
| | - Takehiro Kudo
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan
| | - Hana Yamane
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan; Regenerative & Cellular Medicine Kobe Center, Sumitomo Pharma Co., Ltd., Kobe, 650-0047, Japan
| | - Fumiaki Ishibashi
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan; Platform Technology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan
| | - Yoshinori Takada
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan; Global Corporate Strategy, Sumitomo Pharma Co., Ltd., Tokyo, 104-8356, Japan
| | - Shigeyuki Honda
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan; Sumika Chemical Analysis Service, Ltd., Osaka, 554-0022, Japan
| | - Yasuyo Maezawa
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan
| | - Kazuhito Ikeda
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan; Platform Technology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan
| | - Yoshihiro Oyamada
- Pharmacology Research Unit, Research Division, Sumitomo Pharma Co., Ltd., Osaka, 554-0022, Japan; AlphaNavi Pharma Inc., Osaka, 564-0053, Japan
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Fideles SOM, de Cássia Ortiz A, Buchaim DV, de Souza Bastos Mazuqueli Pereira E, Parreira MJBM, de Oliveira Rossi J, da Cunha MR, de Souza AT, Soares WC, Buchaim RL. Influence of the Neuroprotective Properties of Quercetin on Regeneration and Functional Recovery of the Nervous System. Antioxidants (Basel) 2023; 12:antiox12010149. [PMID: 36671011 PMCID: PMC9855066 DOI: 10.3390/antiox12010149] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/26/2022] [Accepted: 12/29/2022] [Indexed: 01/10/2023] Open
Abstract
Quercetin is a dietary flavonoid present in vegetables, fruits, and beverages, such as onions, apples, broccoli, berries, citrus fruits, tea, and red wine. Flavonoids have antioxidant and anti-inflammatory effects, acting in the prevention of several diseases. Quercetin also has neuroprotective properties and may exert a beneficial effect on nervous tissue. In this literature review, we compiled in vivo studies that investigated the effect of quercetin on regeneration and functional recovery of the central and peripheral nervous system. In spinal cord injuries (SCI), quercetin administration favored axonal regeneration and recovery of locomotor capacity, significantly improving electrophysiological parameters. Quercetin reduced edema, neutrophil infiltration, cystic cavity formation, reactive oxygen species production, and pro-inflammatory cytokine synthesis, while favoring an increase in levels of anti-inflammatory cytokines, minimizing tissue damage in SCI models. In addition, the association of quercetin with mesenchymal stromal cells transplantation had a synergistic neuroprotective effect on spinal cord injury. Similarly, in sciatic nerve injuries, quercetin favored and accelerated sensory and motor recovery, reducing muscle atrophy. In these models, quercetin significantly inhibited oxidative stress and cell apoptosis, favoring Schwann cell proliferation and nerve fiber remyelination, thus promoting a significant increase in the number and diameter of myelinated fibers. Although there is still a lack of clinical research, in vivo studies have shown that quercetin contributed to the recovery of neurological functions, exerting a beneficial effect on the regeneration of the central and peripheral nervous system.
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Affiliation(s)
- Simone Ortiz Moura Fideles
- Department of Biological Sciences, Bauru School of Dentistry (FOB/USP), University of Sao Paulo, Bauru 17012-901, Brazil
| | - Adriana de Cássia Ortiz
- Department of Biological Sciences, Bauru School of Dentistry (FOB/USP), University of Sao Paulo, Bauru 17012-901, Brazil
| | - Daniela Vieira Buchaim
- Postgraduate Program in Structural and Functional Interactions in Rehabilitation, University of Marilia (UNIMAR), Marília 17525-902, Brazil
- Teaching and Research Coordination of the Medical School, University Center of Adamantina (UNIFAI), Adamantina 17800-000, Brazil
| | | | | | - Jéssica de Oliveira Rossi
- Graduate Program in Anatomy of Domestic and Wild Animals, Faculty of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, Brazil
- Medical Bill Audit, Holy House of Mercy (Santa Casa de Misericórdia), Marília 17515-900, Brazil
| | - Marcelo Rodrigues da Cunha
- Anatomy Department, Padre Anchieta University Center (UniAnchieta), Jundiai 13210-795, Brazil
- Department of Morphology and Pathology, Jundiaí Medical School, Jundiai 13202-550, Brazil
| | | | - Wendel Cleber Soares
- Department of Exact Sciences, University Center of Adamantina (UNIFAI), Adamantina 17800-000, Brazil
| | - Rogerio Leone Buchaim
- Department of Biological Sciences, Bauru School of Dentistry (FOB/USP), University of Sao Paulo, Bauru 17012-901, Brazil
- Graduate Program in Anatomy of Domestic and Wild Animals, Faculty of Veterinary Medicine and Animal Science, University of Sao Paulo, Sao Paulo 05508-270, Brazil
- Correspondence: ; Tel.: +55-14-3235-8220
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Liu C, Liu DQ, Tian YK, Mei W, Tian XB, Xu AJ, Zhou YQ. The Emerging Role of Quercetin in the Treatment of Chronic Pain. Curr Neuropharmacol 2022; 20:2346-2353. [PMID: 35959909 PMCID: PMC9890298 DOI: 10.2174/1570159x20666220812122437] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/11/2022] [Accepted: 06/13/2022] [Indexed: 12/29/2022] Open
Abstract
Despite much research efforts being devoted to designing alternative pharmacological interventions, chronic pain remains to be an unresolved clinical problem. Quercetin, a compound that belongs to the flavonoids family, is abundantly found in fruits and vegetables. Emerging evidence indicates that quercetin possesses anti-nociceptive effects in different rodent models of chronic pain, including inflammatory pain, neuropathic pain and cancer pain. In this review, we summarize the mechanisms underlying the analgesic effect of quercetin in preclinical studies. These studies showed that quercetin exerts potent analgesic effects against chronic pain via suppressing neuroinflammation and oxidative stress as well as modulation of synaptic plasticity, GABAergic system, and opioidergic system. Considering that the safety of quercetin is well established, it has great potential for clinical use in pain treatment.
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Affiliation(s)
- Cheng Liu
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Dai-Qiang Liu
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yu-Ke Tian
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wei Mei
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xue-Bi Tian
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ai-Jun Xu
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Ya-Qun Zhou
- Department of Anesthesiology and Pain Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
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Cottilli P, Gaja-Capdevila N, Navarro X. Effects of Sigma-1 Receptor Ligands on Peripheral Nerve Regeneration. Cells 2022; 11:1083. [PMID: 35406646 PMCID: PMC8998141 DOI: 10.3390/cells11071083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 03/20/2022] [Accepted: 03/22/2022] [Indexed: 12/01/2022] Open
Abstract
Peripheral nerve injuries lead to the loss of motor, sensory and autonomic functions in the territories supplied by the injured nerve. Currently, nerve injuries are managed by surgical repair procedures, and there are no effective drugs in the clinic for improving the capacity of axonal regeneration. Sigma-1 receptor (Sig-1R) is an endoplasmic reticulum chaperon protein involved in many functions, including neuroprotection and neuroplasticity. A few previous studies using Sig-1R ligands reported results that suggest this receptor as a putative target to enhance regeneration. The aim of this study was to evaluate the possible effects of Sig-1R ligands on axonal regeneration in a sciatic nerve section and repair model in mice. To this end, mice were treated either with the Sig-1R agonist PRE-084 or the antagonist BD1063, and a Sig-1R knock-out (KO) mice group was also studied. The electrophysiological and histological data showed that treatment with Sig-1R ligands, or the lack of this protein, did not markedly modify the process of axonal regeneration and target reinnervation after sciatic nerve injury. Nevertheless, the nociceptive tests provided results indicating a role of Sig-1R in sensory perception after nerve injury, and immunohistochemical labeling indicated a regulatory role in inflammatory cell infiltration in the injured nerve.
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Affiliation(s)
- Patrick Cottilli
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona, 01893 Bellaterra, Spain; (P.C.); (N.G.-C.)
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Núria Gaja-Capdevila
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona, 01893 Bellaterra, Spain; (P.C.); (N.G.-C.)
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
| | - Xavier Navarro
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona, 01893 Bellaterra, Spain; (P.C.); (N.G.-C.)
- Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), 28031 Madrid, Spain
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