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Shatunova S, Aktar R, Peiris M, Lee JYP, Vetter I, Starobova H. The role of the gut microbiome in neuroinflammation and chemotherapy-induced peripheral neuropathy. Eur J Pharmacol 2024; 979:176818. [PMID: 39029779 DOI: 10.1016/j.ejphar.2024.176818] [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: 03/04/2024] [Revised: 06/05/2024] [Accepted: 07/17/2024] [Indexed: 07/21/2024]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is one of the most debilitating adverse effects caused by chemotherapy drugs such as paclitaxel, oxaliplatin and vincristine. It is untreatable and often leads to the discontinuation of cancer therapy and a decrease in the quality of life of cancer patients. It is well-established that neuroinflammation and the activation of immune and glial cells are among the major drivers of CIPN. However, these processes are still poorly understood, and while many chemotherapy drugs alone can drive the activation of these cells and consequent neuroinflammation, it remains elusive to what extent the gut microbiome influences these processes. In this review, we focus on the peripheral mechanisms driving CIPN, and we address the bidirectional pathways by which the gut microbiome communicates with the immune and nervous systems. Additionally, we critically evaluate literature addressing how chemotherapy-induced dysbiosis and the consequent imbalance in bacterial products may contribute to the activation of immune and glial cells, both of which drive neuroinflammation and possibly CIPN development, and how we could use this knowledge for the development of effective treatment strategies.
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Affiliation(s)
- Svetlana Shatunova
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia
| | - Rubina Aktar
- Centre for Neuroscience, Surgery and Trauma, Faculty of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Madusha Peiris
- Centre for Neuroscience, Surgery and Trauma, Faculty of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Jia Yu Peppermint Lee
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia
| | - Irina Vetter
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia; The School of Pharmacy, The University of Queensland, Woollsiana, QLD, Australia
| | - Hana Starobova
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia.
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2
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Gaborit M, Massotte D. Therapeutic potential of opioid receptor heteromers in chronic pain and associated comorbidities. Br J Pharmacol 2023; 180:994-1013. [PMID: 34883528 DOI: 10.1111/bph.15772] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 06/07/2021] [Accepted: 07/21/2021] [Indexed: 11/27/2022] Open
Abstract
Chronic pain affects 20% to 45% of the global population and is often associated with the development of anxio-depressive disorders. Treatment of this debilitating condition remains particularly challenging with opioids prescribed to alleviate moderate to severe pain. However, despite strong antinociceptive properties, numerous adverse effects limit opioid use in the clinic. Moreover, opioid misuse and abuse have become a major health concern worldwide. This prompted efforts to design original strategies that would efficiently and safely relieve pain. Targeting of opioid receptor heteromers is one of these. This review summarizes our current knowledge on the role of heteromers involving opioid receptors in the context of chronic pain and anxio-depressive comorbidities. It also examines how heteromerization in native tissue affects ligand binding, receptor signalling and trafficking properties. Finally, the therapeutic potential of ligands designed to specifically target opioid receptor heteromers is considered. LINKED ARTICLES: This article is part of a themed issue on Advances in Opioid Pharmacology at the Time of the Opioid Epidemic. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v180.7/issuetoc.
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Affiliation(s)
- Marion Gaborit
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Dominique Massotte
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
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3
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Kutchy NA, Palermo A, Ma R, Li Z, Ulanov A, Callen S, Siuzdak G, Roy S, Buch S, Hu G. Changes in Plasma Metabolic Signature upon Acute and Chronic Morphine Administration in Morphine-Tolerant Mice. Metabolites 2023; 13:metabo13030434. [PMID: 36984873 PMCID: PMC10053579 DOI: 10.3390/metabo13030434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 03/01/2023] [Accepted: 03/13/2023] [Indexed: 03/19/2023] Open
Abstract
Morphine administration causes system-level metabolic changes. Here, we show that morphine-tolerant mice exhibited distinct plasma metabolic signatures upon acute and chronic administration. We utilized a mouse model of morphine tolerance by exposing mice to increasing doses of the drug over 4 days. We collected plasma samples from mice undergoing acute or chronic morphine or saline injections and analyzed them using targeted GC–MS-based metabolomics to profile approximately 80 metabolites involved in the central carbon, amino acid, nucleotide, and lipid metabolism. Our findings reveal distinct alterations in plasma metabolite concentrations in response to acute or chronic morphine intake, and these changes were linked to the development of tolerance to morphine’s analgesic effects. We identified several metabolites that had been differentially affected by acute versus chronic morphine use, suggesting that metabolic changes may be mitigated by prolonged exposure to the drug. Morphine-tolerant mice showed a restoration of amino acid and glycolytic metabolites. Additionally, we conducted reconstructed metabolic network analysis on the first 30 VIP-ranked metabolites from the PLSDA of the saline, acute, and morphine-tolerant mice groups, which uncovered four interaction networks involving the amino acid metabolism, the TCA cycle, the glutamine-phenylalanine-tyrosine pathway, and glycolysis. These pathways were responsible for the metabolic differences observed following distinct morphine administration regimens. Overall, this study provides a valuable resource for future investigations into the role of metabolites in morphine-induced analgesia and associated effects following acute or chronic use in mice.
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Affiliation(s)
- Naseer A. Kutchy
- Department of Animal Sciences, Rutgers, The State University of New Jersey, New Brunswick, NJ 08901, USA
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA (S.B.); (G.H.)
- Correspondence: (N.A.K.); (A.P.)
| | - Amelia Palermo
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles, CA 90095, USA
- Correspondence: (N.A.K.); (A.P.)
| | - Rong Ma
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA (S.B.); (G.H.)
- Department of Pharmacology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Zhong Li
- Department of Biostatistics & Bioinformatics, Duke University School of Medicine, Durham, NC 27710, USA
- Roy J. Carver Biotechnology Center, University of Illinois, Urbana, IL 61801, USA
| | - Alexandria Ulanov
- Roy J. Carver Biotechnology Center, University of Illinois, Urbana, IL 61801, USA
| | - Shannon Callen
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA (S.B.); (G.H.)
| | - Gary Siuzdak
- Center for Metabolomics and Mass Spectrometry, Scripps Research Institute, La Jolla, CA 92037, USA
| | - Sabita Roy
- Department of Surgery, University of Miami, Miami, FL 33136, USA
| | - Shilpa Buch
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA (S.B.); (G.H.)
| | - Guoku Hu
- Department of Pharmacology and Experimental Neuroscience, University of Nebraska Medical Center, Omaha, NE 68198, USA (S.B.); (G.H.)
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4
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Valentine T, Hardowar L, Elphick-Ross J, Hulse RP, Paul-Clark M. The Role of Vascular-Immune Interactions in Modulating Chemotherapy Induced Neuropathic Pain. Front Pharmacol 2022; 13:887608. [PMID: 35814225 PMCID: PMC9257211 DOI: 10.3389/fphar.2022.887608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/23/2022] [Indexed: 12/05/2022] Open
Abstract
Chemotherapy causes sensory disturbances in cancer patients that results in neuropathies and pain. As cancer survivorships has dramatically increased over the past 10 years, pain management of these patients is becoming clinically more important. Current analgesic strategies are mainly ineffective and long-term use is associated with severe side effects. The issue being that common analgesic strategies are based on ubiquitous pain mediator pathways, so when applied to clinically diverse neuropathic pain and neurological conditions, are unsuccessful. This is principally due to the lack of understanding of the driving forces that lead to chemotherapy induced neuropathies. It is well documented that chemotherapy causes sensory neurodegeneration through axonal atrophy and intraepidermal fibre degeneration causing alterations in pain perception. Despite the neuropathological alterations associated with chemotherapy-induced neuropathic pain being extensively researched, underlying causes remain elusive. Resent evidence from patient and rodent studies have indicated a prominent inflammatory cell component in the peripheral sensory nervous system in effected areas post chemotherapeutic treatment. This is accompanied by modulation of auxiliary cells of the dorsal root ganglia sensory neurons such as activation of satellite glia and capillary dysfunction. The presence of a neuroinflammatory component was supported by transcriptomic analysis of dorsal root ganglia taken from mice treated with common chemotherapy agents. With key inflammatory mediators identified, having potent immunoregulatory effects that directly influences nociception. We aim to evaluate the current understanding of these immune-neuronal interactions across different cancer therapy drug classes. In the belief this may lead to better pain management approaches for cancer survivors.
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Vincenzi M, Milella MS, D’Ottavio G, Caprioli D, Reverte I, Maftei D. Targeting Chemokines and Chemokine GPCRs to Enhance Strong Opioid Efficacy in Neuropathic Pain. Life (Basel) 2022; 12:life12030398. [PMID: 35330149 PMCID: PMC8955776 DOI: 10.3390/life12030398] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 12/21/2022] Open
Abstract
Neuropathic pain (NP) originates from an injury or disease of the somatosensory nervous system. This heterogeneous origin and the possible association with other pathologies make the management of NP a real challenge. To date, there are no satisfactory treatments for this type of chronic pain. Even strong opioids, the gold-standard analgesics for nociceptive and cancer pain, display low efficacy and the paradoxical ability to exacerbate pain sensitivity in NP patients. Mounting evidence suggests that chemokine upregulation may be a common mechanism driving NP pathophysiology and chronic opioid use-related consequences (analgesic tolerance and hyperalgesia). Here, we first review preclinical studies on the role of chemokines and chemokine receptors in the development and maintenance of NP. Second, we examine the change in chemokine expression following chronic opioid use and the crosstalk between chemokine and opioid receptors. Then, we examine the effects of inhibiting specific chemokines or chemokine receptors as a strategy to increase opioid efficacy in NP. We conclude that strong opioids, along with drugs that block specific chemokine/chemokine receptor axis, might be the right compromise for a favorable risk/benefit ratio in NP management.
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Affiliation(s)
- Martina Vincenzi
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy;
- Correspondence: (M.V.); (I.R.)
| | - Michele Stanislaw Milella
- Toxicology and Poison Control Center Unit, Department of Emergency, Anesthesia and Critical Care, Policlinico Umberto I Hospital-Sapienza University of Rome, 00161 Rome, Italy;
| | - Ginevra D’Ottavio
- Santa Lucia Foundation (IRCCS Fondazione Santa Lucia), 00143 Rome, Italy; (G.D.); (D.C.)
- Laboratory Affiliated to Institute Pasteur Italia-Fondazione Cenci Bolognetti, Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy
| | - Daniele Caprioli
- Santa Lucia Foundation (IRCCS Fondazione Santa Lucia), 00143 Rome, Italy; (G.D.); (D.C.)
- Laboratory Affiliated to Institute Pasteur Italia-Fondazione Cenci Bolognetti, Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy
| | - Ingrid Reverte
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy;
- Santa Lucia Foundation (IRCCS Fondazione Santa Lucia), 00143 Rome, Italy; (G.D.); (D.C.)
- Correspondence: (M.V.); (I.R.)
| | - Daniela Maftei
- Department of Physiology and Pharmacology “Vittorio Erspamer”, Sapienza University of Rome, 00185 Rome, Italy;
- Santa Lucia Foundation (IRCCS Fondazione Santa Lucia), 00143 Rome, Italy; (G.D.); (D.C.)
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6
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Eroglu E, Unel CC, Harmanci N, Erol K, Ari NS, Ozatik O. 2-Aminoethoxydiphenyl borate ameliorates functional and structural abnormalities in cisplatin-induced peripheral neuropathy. J Trace Elem Med Biol 2022; 70:126909. [PMID: 34902678 DOI: 10.1016/j.jtemb.2021.126909] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/12/2021] [Accepted: 12/02/2021] [Indexed: 11/17/2022]
Abstract
AIM OF THE STUDY Cisplatin is a platinum-derived chemotherapeutic agent commonly used in the treatment of various tumors. Ototoxicity, nephrotoxicity, and peripheral neuropathy are the most common side effects of this drug. 2-Aminoethoxydiphenyl borate (2-APB), boron- containing compound, has some protective effects against various tissue damage. The present study aimed to investigate the potential protective effects of 2-APB on in vitro and in vivo cisplatin-induced neurotoxicity. MATERIALS AND METHODS MTT assay was used to determine cell viability in DRG cells. Peripheral neuropathy was induced in forty male Sprague-Dawley rats (200-250g) by administering cisplatin (3 mg/kg/week) intraperitoneally (i.p) for five weeks. 2-APB (2, 4, and 8 mg/kg, i.p) was administered. Mechanical allodynia, thermal hyperalgesia, cold allodynia, mechanical stimuli, motor coordination, and locomotor activity tests were performed. DRG cells and sciatic nerves were analyzed histologically. NGF, BDNF, TNF-α, GSH, MDA, and LDH levels were investigated in rat DRG tissue homogenates. RESULTS Our results revealed that 2-APB ameliorated cisplatin-induced neurotoxicity by improving mechanical and cold allodynia and motor coordination impairment. It also reduced cisplatin-induced structural toxicity in peripheral tissues. CONCLUSION These findings demonstrated that 2-APB could be considered as a potential therapeutic strategy for the treatment of cisplatin-induced peripheral neuropathy.
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Affiliation(s)
- Ezgi Eroglu
- Department of Pharmacology, Faculty of Pharmacy, Lokman Hekim University, Ankara, Turkey; Department of Medical Pharmacology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey.
| | - Cigdem Cengelli Unel
- Department of Medical Pharmacology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Nusin Harmanci
- Department of Medical Pharmacology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Kevser Erol
- Department of Medical Pharmacology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey; Department of Medical Pharmacology, Faculty of Medicine, Bahcesehir University, Istanbul, Turkey
| | - Neziha Senem Ari
- Department of Histology and Embryology, Evliya Celebi Education and Research Hospital, Kutahya Health Sciences University, Kutahya, Turkey
| | - Orhan Ozatik
- Department of Histology and Embryology, Faculty of Medicine, Kutahya Health Sciences University, Kutahya, Turkey
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7
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Albert PR. Influence of functional gene polymorphisms on human behaviour: the case of CCR5. J Psychiatry Neurosci 2021; 46:E659-E662. [PMID: 34916235 PMCID: PMC8687621 DOI: 10.1503/jpn.210197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
- Paul R Albert
- From the Ottawa Hospital Research Institute, University of Ottawa Brain and Mind Research Institute, Ottawa, Ont., Canada
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8
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Inan S, Chen X, Eisenstein EM, Meissler JJ, Geller EB, Tallarida C, Watson M, Doura M, Barrett JE, Cowan A, Rawls SM, Adler MW, Eisenstein TK. Chemokine receptor antagonists enhance morphine's antinociceptive effect but not respiratory depression. Life Sci 2021; 285:120014. [PMID: 34619167 DOI: 10.1016/j.lfs.2021.120014] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/28/2021] [Accepted: 09/29/2021] [Indexed: 02/07/2023]
Abstract
AIMS We have shown that chemokines injected into the periaqueductal gray region of the brain blocks opioid-induced analgesia in the rat cold-water tail flick test (CWTF). The present experiments tested whether chemokine receptor antagonists (CRAs), in combination with sub-analgesic doses of morphine, would provide maximal analgesia in the CWTF test and the mouse formalin pain assay. The effect of CRAs on respiratory depression was also evaluated. MAIN METHODS One, two or four CRAs (AMD3100/CXCR4, maraviroc/CCR5, RS504393/CCR2 orAZD8797/CX3CR1) were used in combination with sub-analgesic doses of morphine, all given systemically. Pain was assessed using the rat CWTF test or formalin injection into the paw of mice scored by licking. Respiration and oxygen saturation were measured in rats using a MouseOX® Plus - pulse oximeter. KEY FINDINGS In the CWTF test, a sub-maximal dose of morphine in combination with maraviroc alone, maraviroc plus AMD3100, or with the four chemokine receptor antagonists, produced synergistic increases in antinociception. In the formalin test, the combination of four CRAs plus a sub-maximal dose of morphine resulted in increased antinociception in both male and female mice. AMD3100 had an additive effect with morphine in both sexes. Coadministration of CRAs with morphine did not potentiate the opioid respiratory depressive effect. SIGNIFICANCE These results support the conclusion that combinations of CRAs can increase the potency of sub-analgesic doses of morphine analgesia without increasing respiratory depression. The results support an "opioid sparing" strategy for alleviation of pain using reduced doses of opioids in combination with CRAs to achieve maximal analgesia.
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Affiliation(s)
- Saadet Inan
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Xiaohong Chen
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Eric M Eisenstein
- Departments of Statistical Science and Marketing, Fox School of Business at Temple University,1810 Liacouras Walk, Philadelphia, PA 19122, USA
| | - Joseph J Meissler
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Ellen B Geller
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Christopher Tallarida
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Mia Watson
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Menahem Doura
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - James E Barrett
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Alan Cowan
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Scott M Rawls
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Martin W Adler
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA
| | - Toby K Eisenstein
- Center for Substance Abuse Research, Lewis Katz School of Medicine at Temple University, 3500 North Broad Street, Philadelphia, PA 19140, USA.
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9
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Fumagalli G, Monza L, Cavaletti G, Rigolio R, Meregalli C. Neuroinflammatory Process Involved in Different Preclinical Models of Chemotherapy-Induced Peripheral Neuropathy. Front Immunol 2021; 11:626687. [PMID: 33613570 PMCID: PMC7890072 DOI: 10.3389/fimmu.2020.626687] [Citation(s) in RCA: 73] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 12/21/2020] [Indexed: 12/12/2022] Open
Abstract
Peripheral neuropathies are characterized by nerves damage and axonal loss, and they could be classified in hereditary or acquired forms. Acquired peripheral neuropathies are associated with several causes, including toxic agent exposure, among which the antineoplastic compounds are responsible for the so called Chemotherapy-Induced Peripheral Neuropathy (CIPN). Several clinical features are related to the use of anticancer drugs which exert their action by affecting different mechanisms and structures of the peripheral nervous system: the axons (axonopathy) or the dorsal root ganglia (DRG) neurons cell body (neuronopathy/ganglionopathy). In addition, antineoplastic treatments may affect the blood brain barrier integrity, leading to cognitive impairment that may be severe and long-lasting. CIPN may affect patient quality of life leading to modification or discontinuation of the anticancer therapy. Although the mechanisms of the damage are not completely understood, several hypotheses have been proposed, among which neuroinflammation is now emerging to be relevant in CIPN pathophysiology. In this review, we consider different aspects of neuro-immune interactions in several CIPN preclinical studies which suggest a critical connection between chemotherapeutic agents and neurotoxicity. The features of the neuroinflammatory processes may be different depending on the type of drug (platinum derivatives, taxanes, vinca alkaloids and proteasome inhibitors). In particular, recent studies have demonstrated an involvement of the immune response (both innate and adaptive) and the stimulation and secretion of mediators (cytokines and chemokines) that may be responsible for the painful symptoms, whereas glial cells such as satellite and Schwann cells might contribute to the maintenance of the neuroinflammatory process in DRG and axons respectively. Moreover, neuroinflammatory components have also been shown in the spinal cord with microglia and astrocytes playing an important role in CIPN development. Taking together, better understanding of these aspects would permit the development of possible strategies in order to improve the management of CIPN.
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Affiliation(s)
- Giulia Fumagalli
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,NeuroMI (Milan Center for Neuroscience), University of Milano-Bicocca, Monza, Italy
| | - Laura Monza
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,NeuroMI (Milan Center for Neuroscience), University of Milano-Bicocca, Monza, Italy
| | - Guido Cavaletti
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,NeuroMI (Milan Center for Neuroscience), University of Milano-Bicocca, Monza, Italy
| | - Roberta Rigolio
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,NeuroMI (Milan Center for Neuroscience), University of Milano-Bicocca, Monza, Italy
| | - Cristina Meregalli
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy.,NeuroMI (Milan Center for Neuroscience), University of Milano-Bicocca, Monza, Italy
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10
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Huang B, St Onge CM, Ma H, Zhang Y. Design of bivalent ligands targeting putative GPCR dimers. Drug Discov Today 2020; 26:189-199. [PMID: 33075471 DOI: 10.1016/j.drudis.2020.10.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 07/15/2020] [Accepted: 10/09/2020] [Indexed: 12/17/2022]
Abstract
G protein-coupled receptors (GPCRs) have been exploited as primary targets for drug discovery, and GPCR dimerization offers opportunities for drug design and disease treatment. An important strategy for targeting putative GPCR dimers is the use of bivalent ligands, which are single molecules that contain two pharmacophores connected through a spacer. Here, we discuss the selection of pharmacophores, the optimal length and chemical composition of the spacer, and the choice of spacer attachment points to the pharmacophores. Furthermore, we review the most recent advances (from 2018 to the present) in the design, discovery and development of bivalent ligands. We aim to reveal the state-of-the-art design strategy for bivalent ligands and provide insights into future opportunities in this promising field of drug discovery.
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Affiliation(s)
- Boshi Huang
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298, USA
| | - Celsey M St Onge
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298, USA
| | - Hongguang Ma
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298, USA
| | - Yan Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Virginia Commonwealth University, 800 E. Leigh Street, Richmond, VA 23298, USA.
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11
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Sviridov D, Mukhamedova N, Miller YI. Lipid rafts as a therapeutic target. J Lipid Res 2020; 61:687-695. [PMID: 32205411 PMCID: PMC7193956 DOI: 10.1194/jlr.tr120000658] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 03/16/2020] [Indexed: 12/12/2022] Open
Abstract
Lipid rafts regulate the initiation of cellular metabolic and signaling pathways by organizing the pathway components in ordered microdomains on the cell surface. Cellular responses regulated by lipid rafts range from physiological to pathological, and the success of a therapeutic approach targeting "pathological" lipid rafts depends on the ability of a remedial agent to recognize them and disrupt pathological lipid rafts without affecting normal raft-dependent cellular functions. In this article, concluding the Thematic Review Series on Biology of Lipid Rafts, we review current experimental therapies targeting pathological lipid rafts, including examples of inflammarafts and clusters of apoptotic signaling molecule-enriched rafts. The corrective approaches include regulation of cholesterol and sphingolipid metabolism and membrane trafficking by using HDL and its mimetics, LXR agonists, ABCA1 overexpression, and cyclodextrins, as well as a more targeted intervention with apoA-I binding protein. Among others, we highlight the design of antagonists that target inflammatory receptors only in their activated form of homo- or heterodimers, when receptor dimerization occurs in pathological lipid rafts. Other therapies aim to promote raft-dependent physiological functions, such as augmenting caveolae-dependent tissue repair. The overview of this highly dynamic field will provide readers with a view on the emerging concept of targeting lipid rafts as a therapeutic strategy.jlr;61/5/687/F1F1f1.
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Affiliation(s)
- Dmitri Sviridov
- Baker Heart and Diabetes Institute, Melbourne, Victoria, Australia
| | | | - Yury I. Miller
- Department of Medicine,University of California, San Diego, La Jolla, CA
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12
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Reiss D, Maduna T, Maurin H, Audouard E, Gaveriaux-Ruff C. Mu opioid receptor in microglia contributes to morphine analgesic tolerance, hyperalgesia, and withdrawal in mice. J Neurosci Res 2020; 100:203-219. [PMID: 32253777 DOI: 10.1002/jnr.24626] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Revised: 02/23/2020] [Accepted: 03/18/2020] [Indexed: 12/17/2022]
Abstract
A major challenge in medicine is developing potent pain therapies without the adverse effects of opiates. Neuroinflammation and in particular microglial activation have been shown to contribute to these effects. However, the implication of the microglial mu opioid receptor (MOR) is not known. We developed a novel conditional knockout (cKO) mouse line, wherein MOR is deleted in microglia. Morphine analgesic tolerance was delayed in both sexes in cKO mice in the hot plate assay. Opioid-induced hyperalgesia (OIH) as measured in the tail immersion assay was abolished in male cKO mice, and physical dependence to morphine as assessed by naloxone-induced withdrawal was attenuated in female cKO mice. Our results show a sex-dependent contribution of microglial MOR in morphine analgesic tolerance, OIH, and physical dependence. In conclusion, our data suggest that blockade of microglial MOR could represent a therapeutic target for opiate analgesia without the opiate adverse effects.
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Affiliation(s)
- David Reiss
- Translational Medicine and Neurogenetics Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,IGBMC, Université de Strasbourg, Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique, Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale, Illkirch, France
| | - Tando Maduna
- Translational Medicine and Neurogenetics Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,IGBMC, Université de Strasbourg, Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique, Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale, Illkirch, France.,Neurology Research Group, Department of Physiology, Stellenbosch University, Stellenbosch, South Africa
| | - Hervé Maurin
- Translational Medicine and Neurogenetics Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,IGBMC, Université de Strasbourg, Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique, Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale, Illkirch, France
| | - Emilie Audouard
- Translational Medicine and Neurogenetics Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,IGBMC, Université de Strasbourg, Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique, Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale, Illkirch, France
| | - Claire Gaveriaux-Ruff
- Translational Medicine and Neurogenetics Department, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Illkirch, France.,IGBMC, Université de Strasbourg, Illkirch, France.,UMR7104, Centre National de la Recherche Scientifique, Illkirch, France.,U1258, Institut National de la Santé et de la Recherche Médicale, Illkirch, France.,Ecole Supérieure de Biotechnologie de Strasbourg, Illkirch, France
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13
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Bodnar RJ. 2018 Gayle A. Olson And Richard D. Olson Prize Vladimir A. Kashkin. Peptides 2020; 126:170252. [PMID: 31931053 DOI: 10.1016/j.peptides.2020.170252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Accepted: 01/02/2020] [Indexed: 11/23/2022]
Affiliation(s)
- Richard J Bodnar
- Department of Psychology, Queens College, CUNY, 65-30 Kissena Blvd., Flushing NY 11367, United States.
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14
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Baumann MH, Pasternak GW, Negus SS. Confronting the opioid crisis with basic research in neuropharmacology. Neuropharmacology 2020; 166:107972. [PMID: 31958407 DOI: 10.1016/j.neuropharm.2020.107972] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Michael H Baumann
- Designer Drug Research Unit (DDRU), National Institute on Drug Abuse, National Institutes of Health, 333 Cassell Drive, Suite 4400, Baltimore, MD 21224, USA.
| | - Gavril W Pasternak
- Department of Neurology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Sidney S Negus
- Department of Pharmacology & Toxicology, Virginia Commonwealth University, 410 N. 12th Street, Richmond, VA 23298, USA.
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