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Ozone in Chemotherapy-Induced Peripheral Neuropathy—Current State of Art, Possibilities, and Perspectives. Int J Mol Sci 2023; 24:ijms24065279. [PMID: 36982352 PMCID: PMC10049472 DOI: 10.3390/ijms24065279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/01/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is one of the most detrimental toxicity to a patient’s quality of life. Pathophysiological mechanisms involved in CIPN pathogenesis are complex, multifactorial, and only partially examined. They are suspected to be associated with oxidative stress (OS), mitochondrial dysfunction, ROS-induced apoptosis, myelin sheath and DNA damage, and immunological and inflammatory processes. Unfortunately, medications commonly used for the management of other neuropathic pain syndromes, including gabapentinoids, opioids, and tricyclic antidepressants (such as desipramine and nortriptyline), do not bring satisfactory results in CIPN. The aim of this review is to evaluate the existing literature on the potential use of medical ozone as a treatment for CIPN. This paper would explore the potential therapeutic benefits of medical ozone. The review would evaluate the existing literature on the use of medical ozone in other contexts, as well as its potential application in treating CIPN. The review would also suggest possible research methods, such as randomized controlled trials, to evaluate the efficacy of medical ozone as a treatment for CIPN. Medical ozone has been used to disinfect and treat diseases for over 150 years. The effectiveness of ozone in treating infections, wounds, and a variety of diseases has been well documented. Ozone therapy is also documented to inhibit the growth of human cancer cells and has antioxidative and anti-inflammatory effects. Due to its ability to modulate oxidative stress, inflammation, and ischemia/hypoxia, ozone may have a potentially valuable effect on CIPN.
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Tay N, Laakso EL, Schweitzer D, Endersby R, Vetter I, Starobova H. Chemotherapy-induced peripheral neuropathy in children and adolescent cancer patients. Front Mol Biosci 2022; 9:1015746. [PMID: 36310587 PMCID: PMC9614173 DOI: 10.3389/fmolb.2022.1015746] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 09/20/2022] [Indexed: 11/22/2022] Open
Abstract
Brain cancer and leukemia are the most common cancers diagnosed in the pediatric population and are often treated with lifesaving chemotherapy. However, chemotherapy causes severe adverse effects and chemotherapy-induced peripheral neuropathy (CIPN) is a major dose-limiting and debilitating side effect. CIPN can greatly impair quality of life and increases morbidity of pediatric patients with cancer, with the accompanying symptoms frequently remaining underdiagnosed. Little is known about the incidence of CIPN, its impact on the pediatric population, and the underlying pathophysiological mechanisms, as most existing information stems from studies in animal models or adult cancer patients. Herein, we aim to provide an understanding of CIPN in the pediatric population and focus on the 6 main substance groups that frequently cause CIPN, namely the vinca alkaloids (vincristine), platinum-based antineoplastics (cisplatin, carboplatin and oxaliplatin), taxanes (paclitaxel and docetaxel), epothilones (ixabepilone), proteasome inhibitors (bortezomib) and immunomodulatory drugs (thalidomide). We discuss the clinical manifestations, assessments and diagnostic tools, as well as risk factors, pathophysiological processes and current pharmacological and non-pharmacological approaches for the prevention and treatment of CIPN.
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Affiliation(s)
- Nicolette Tay
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia
| | - E-Liisa Laakso
- Mater Research Institute-The University of Queensland, South Brisbane, QLD, Australia
| | - Daniel Schweitzer
- Mater Research Institute-The University of Queensland, South Brisbane, QLD, Australia
| | - Raelene Endersby
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
| | - Irina Vetter
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia
- The School of Pharmacy, The University of Queensland, Woolloongabba, QLD, Australia
| | - Hana Starobova
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, Australia
- *Correspondence: Hana Starobova,
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Yardım A, Kucukler S, Özdemir S, Çomaklı S, Caglayan C, Kandemir FM, Çelik H. Silymarin alleviates docetaxel-induced central and peripheral neurotoxicity by reducing oxidative stress, inflammation and apoptosis in rats. Gene 2020; 769:145239. [PMID: 33069805 DOI: 10.1016/j.gene.2020.145239] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/22/2020] [Accepted: 10/11/2020] [Indexed: 12/18/2022]
Abstract
Docetaxel (DTX) is a chemotherapeutic agent used in the treatment of various malignancies but is often associated with central and peripheral neurotoxicity. The aim of this study was to investigate the neuroprotective effect of silymarin (SLM) against DTX-induced central and peripheral neurotoxicities in rats. Rats received 25 and 50 mg/kg body weight SLM orally for seven consecutive days after receiving a single injection of 30 mg/kg body weight DTX on the first day. SLM significantly decreased brain lipid peroxidation level and ameliorated brain glutathione (GSH), superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) activities in DTX-administered rats. SLM attenuated levels of nuclear factor kappa B (NF-κB), tumor necrosis factor-α (TNF-α), glial fibrillary acidic protein (GFAP) and activity of p38α mitogen-activated protein kinase (p38α MAPK) whereas caused an increase in levels of neural cell adhesion molecule (NCAM) in the brain and sciatic nerve of DTX-induced rats. In addition, SLM improved the histological structure of the brain and sciatic nerve tissues and decreased the expression of c-Jun N-terminal kinase (JNK) in the sciatic nerve whereas increased cyclic AMP response element binding protein (CREB) expression in the brain induced by DTX. Additionally, SLM markedly up-regulated the expression of nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1) and B-cell lymphoma-2 (Bcl-2) and downregulated the expression of Bcl-2 associated X protein (Bax) in the brain and sciatic nerve tissues of DTX-induced rats. Our results show that SLM can protect DTX-induced brain and sciatic nerve injuries by enhancing the antioxidant defense system and suppressing apoptosis and inflammation.
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Affiliation(s)
- Ahmet Yardım
- Department of Neurosurgery, Private Buhara Hospital, Erzurum, Turkey
| | - Sefa Kucukler
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, 25240 Erzurum, Turkey
| | - Selçuk Özdemir
- Department of Genetics, Faculty of Veterinary Medicine, Atatürk University, 25240 Erzurum, Turkey
| | - Selim Çomaklı
- Department of Pathology, Faculty of Veterinary Medicine, Atatürk University, 25240 Erzurum, Turkey
| | - Cuneyt Caglayan
- Department of Biochemistry, Faculty of Veterinary Medicine, Bingol University, 12000 Bingol, Turkey.
| | - Fatih Mehmet Kandemir
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, 25240 Erzurum, Turkey.
| | - Hamit Çelik
- Department of Neurology, Private Buhara Hospital, Erzurum, Turkey
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Kang SY, Bang SK, Kwon OS, Seo SY, Choi KH, Cho SJ, Yoo HS, Lee JS, Kim HW, Ryu Y. Treatment of electrical wrist stimulation reduces chemotherapy-induced neuropathy and ultrasound vocalization via modulation of spinal NR2B phosphorylation. Brain Res Bull 2020; 162:237-244. [DOI: 10.1016/j.brainresbull.2020.06.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 05/21/2020] [Accepted: 06/22/2020] [Indexed: 12/18/2022]
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Hu LY, Mi WL, Wu GC, Wang YQ, Mao-Ying QL. Prevention and Treatment for Chemotherapy-Induced Peripheral Neuropathy: Therapies Based on CIPN Mechanisms. Curr Neuropharmacol 2019; 17:184-196. [PMID: 28925884 PMCID: PMC6343206 DOI: 10.2174/1570159x15666170915143217] [Citation(s) in RCA: 85] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 08/20/2017] [Accepted: 01/01/1970] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Chemotherapy-induced peripheral neuropathy (CIPN) is a progressive, enduring, and often irreversible adverse effect of many antineoplastic agents, among which sensory abnormities are common and the most suffering issues. The pathogenesis of CIPN has not been completely understood, and strategies for CIPN prevention and treatment are still open problems for medicine. OBJECTIVES The objective of this paper is to review the mechanism-based therapies against sensory abnormities in CIPN. METHODS This is a literature review to describe the uncovered mechanisms underlying CIPN and to provide a summary of mechanism-based therapies for CIPN based on the evidence from both animal and clinical studies. RESULTS An abundance of compounds has been developed to prevent or treat CIPN by blocking ion channels, targeting inflammatory cytokines and combating oxidative stress. Agents such as glutathione, mangafodipir and duloxetine are expected to be effective for CIPN intervention, while Ca/Mg infusion and venlafaxine, tricyclic antidepressants, and gabapentin display limited efficacy for preventing and alleviating CIPN. And the utilization of erythropoietin, menthol and amifostine needs to be cautious regarding to their side effects. CONCLUSIONS Multiple drugs have been used and studied for decades, their effect against CIPN are still controversial according to different antineoplastic agents due to the diverse manifestations among different antineoplastic agents and complex drug-drug interactions. In addition, novel therapies or drugs that have proven to be effective in animals require further investigation, and it will take time to confirm their efficacy and safety.
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Affiliation(s)
- Lang-Yue Hu
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, Institute of Acupuncture Research, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, School of Basic Medical Science, Fudan University, Shanghai, China
| | - Wen-Li Mi
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, Institute of Acupuncture Research, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, School of Basic Medical Science, Fudan University, Shanghai, China
| | - Gen-Cheng Wu
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, Institute of Acupuncture Research, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, School of Basic Medical Science, Fudan University, Shanghai, China
| | - Yan-Qing Wang
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, Institute of Acupuncture Research, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, School of Basic Medical Science, Fudan University, Shanghai, China
| | - Qi-Liang Mao-Ying
- Department of Integrative Medicine and Neurobiology, State Key Laboratory of Medical Neurobiology, Institute of Acupuncture Research, Institutes of Brain Science, Collaborative Innovation Center for Brain Science, School of Basic Medical Science, Fudan University, Shanghai, China
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De Iuliis F, Taglieri L, Salerno G, Lanza R, Scarpa S. Taxane induced neuropathy in patients affected by breast cancer: Literature review. Crit Rev Oncol Hematol 2015; 96:34-45. [PMID: 26004917 DOI: 10.1016/j.critrevonc.2015.04.011] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2014] [Revised: 02/10/2015] [Accepted: 04/30/2015] [Indexed: 12/11/2022] Open
Abstract
Taxane induced neuropathy (TIN) is the most limiting side effect of taxane based chemotherapy, relative to the majority of breast cancer patients undergoing therapy with both docetaxel and paclitaxel. The symptoms begin symmetrically from the toes, because the tips of the longest nerves are affected for first. The patients report sensory symptoms such as paresthesia, dysesthesia, numbness, electric shock-like sensation, motor impairment and neuropathic pain. There is a great inter-individual variability among breast cancer women treated with taxanes, in fact 20-30% of them don't develop neurotoxicity. Actually, there is no standard therapy for TIN, although many medications, antioxidants and natural substances have been tested in vitro and in vivo. We will summarize all most recent literature data on TIN prevention and treatment, in order to reach an improvement in TIN management. Further studies are needed to evaluate new therapies that restore neuronal function and improve life quality of patients.
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Affiliation(s)
- Francesca De Iuliis
- Experimental Medicine Department, Sapienza University, viale Regina Elena 324, 00161 Rome, Italy
| | - Ludovica Taglieri
- Experimental Medicine Department, Sapienza University, viale Regina Elena 324, 00161 Rome, Italy
| | - Gerardo Salerno
- Experimental Medicine Department, Sapienza University, viale Regina Elena 324, 00161 Rome, Italy
| | - Rosina Lanza
- Ginecology and Obstetrics Department, Sapienza University, viale Regina Elena 324, 00161 Rome, Italy
| | - Susanna Scarpa
- Experimental Medicine Department, Sapienza University, viale Regina Elena 324, 00161 Rome, Italy.
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Neuroprotective effect of erythropoietin against pressure ulcer in a mouse model of small fiber neuropathy. PLoS One 2014; 9:e113454. [PMID: 25422898 PMCID: PMC4244151 DOI: 10.1371/journal.pone.0113454] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 10/24/2014] [Indexed: 01/31/2023] Open
Abstract
An increased risk of skin pressure ulcers (PUs) is common in patients with sensory neuropathies, including those caused by diabetes mellitus. Recombinant human erythropoietin (rhEPO) has been shown to protect the skin against PUs developed in animal models of long-term diabetes. The aim of this work was to determine whether rhEPO could prevent PU formation in a mouse model of drug-inducedSFN. Functional SFN was induced by systemic injection of resiniferatoxin (RTX, 50 µg/kg, i.p.). RhEPO (3000 UI/kg, i.p.) was given the day before RTX injection and then every other day. Seven days after RTX administration, PUs were induced by applying two magnetic plates on the dorsal skin. RTX-treated mice expressed thermal and mechanical hypoalgesia and showed calcitonin gene-related peptide (CGRP) and substance P (SP) depletion without nerve degeneration or vascular dysfunction. RTX mice developed significantly larger stage 2 PUs than Vehicle mice. RhEPO prevented thermal and mechanical hypoalgesia and neuropeptide depletion in small nerve fibers. RhEPO increased hematocrit and altered endothelium-dependent vasodilatation without any effect on PU formation in Vehicle mice. The characteristics of PUs in RTX mice treated with rhEPO and Vehicle mice were found similar. In conclusion, RTX appeared to increased PU development through depletion of CGRP and SP in small nerve fibers, whereas systemic rhEPO treatment had beneficial effect on peptidergic nerve fibers and restored skin protective capacities against ischemic pressure. Our findings support the evaluation of rhEPO and/or its non-hematopoietic analogs in preventing to prevent PUs in patients with SFN.
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Piccolo J, Kolesar JM. Prevention and treatment of chemotherapy-induced peripheral neuropathy. Am J Health Syst Pharm 2014; 71:19-25. [PMID: 24352178 DOI: 10.2146/ajhp130126] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
PURPOSE The prevention and treatment of chemotherapy-induced peripheral neuropathy (CIPN) are reviewed. SUMMARY A number of agents, including amifostine, glutathione, and vitamin E, were evaluated as prevention strategies for CIPN, with no agent demonstrating efficacy. Calcium and magnesium are effective for the prevention of CIPN; however, concerns regarding reduced chemotherapy efficacy linger. Venlafaxine, a serotonin-norepinephrine reuptake inhibitor (SNRI), was evaluated for the prevention of neuropathy in a randomized, double-blind, placebo-controlled Phase III trial of patients receiving an oxaliplatin-based regimens every two weeks and demonstrated significantly less acute neurotoxicity compared with the control group. Treatment options for CIPN include reducing the dosage of the chemotherapy, changing the chemotherapy, and treating CIPN with adjunct therapy. Adjunct therapy with topical agents, tricyclic antidepressants, and anticonvulsants, such as pregabalin and gabapentin, have shown limited efficacy. However, a randomized, double-blind, crossover, Phase III trial of duloxetine versus placebo for the treatment of CIPN caused by paclitaxel or oxaliplatin found that patients treated with duloxetine 60 mg daily had a larger average decrease in pain score than those receiving placebo, regardless of the chemotherapy used. CONCLUSION Calcium and magnesium infusions and venlafaxine are effective in preventing CIPN but are not routinely used because of concerns related to decreased chemotherapy efficacy. Adjunct treatment options for CIPN include a topical analgesic, a tricyclic antidepressant, an anticonvulsant, or an SNRI. Duloxetine is more effective than placebo in treating oxaliplatin- or paclitaxel-induced CIPN, is well tolerated, and should be considered to be a first-line treatment option for CIPN.
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Affiliation(s)
- Jennifer Piccolo
- Jennifer Piccolo, Pharm.D., is Clinical Oncology Pharmacist, Froedert and The Medical College of Wisconsin, Milwaukee. Jill M. Kolesar, Pharm.D., BCPS, FCCP, is Professor of Pharmacy, School of Pharmacy, University of Wisconsin-Madison, and Director, 3P Analytical Laboratory, University of Wisconsin Carbone Comprehensive Cancer Center, Madison
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Toxic and drug-induced peripheral neuropathies: updates on causes, mechanisms and management. Curr Opin Neurol 2014; 26:481-8. [PMID: 23995278 DOI: 10.1097/wco.0b013e328364eb07] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW This review discusses publications highlighting current research on toxic, chemotherapy-induced peripheral neuropathies (CIPNs), and drug-induced peripheral neuropathies (DIPNs). RECENT FINDINGS The emphasis in clinical studies is on the early detection and grading of peripheral neuropathies, whereas recent studies in animal models have given insights into molecular mechanisms, with the discovery of novel neuronal, axonal, and Schwann cell targets. Some substances trigger inflammatory changes in the peripheral nerves. Pharmacogenetic techniques are underway to identify genes that may help to predict individuals at higher risk of developing DIPNs. Several papers have been published on chemoprotectants; however, to date, this approach has not been shown effective in clinical trials. SUMMARY Both length and nonlength-dependent neuropathies are encountered, including small-fiber involvement. The introduction of new diagnostic techniques, such as excitability studies, skin laser Doppler flowmetry, and pharmacogenetics, holds promise for early detection and to elucidate underlying mechanisms. New approaches to improve functions and quality of life in CIPN patients are discussed. Apart from developing less neurotoxic anticancer therapies, there is still hope to identify chemoprotective agents (erythropoietin and substances involved in the endocannabinoid system are promising) able to prevent or correct painful CIPNs.
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Luo B, Jiang M, Yang X, Zhang Z, Xiong J, Schluesener HJ, Zhang Z, Wu Y. Erythropoietin is a hypoxia inducible factor-induced protective molecule in experimental autoimmune neuritis. Biochim Biophys Acta Mol Basis Dis 2013; 1832:1260-70. [DOI: 10.1016/j.bbadis.2013.04.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Revised: 04/07/2013] [Accepted: 04/10/2013] [Indexed: 12/30/2022]
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Can medical herbs stimulate regeneration or neuroprotection and treat neuropathic pain in chemotherapy-induced peripheral neuropathy? EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2013; 2013:423713. [PMID: 23983777 PMCID: PMC3747437 DOI: 10.1155/2013/423713] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Accepted: 06/05/2013] [Indexed: 12/11/2022]
Abstract
Chemotherapy-induced neuropathy (CIPN) has a relevant impact on the quality of life of cancer patients. There are no curative conventional treatments, so further options have to be investigated. We conducted a systematic review in English and Chinese language databases to illuminate the role of medical herbs. 26 relevant studies on 5 single herbs, one extract, one receptor-agonist, and 8 combinations of herbs were identified focusing on the single herbs Acorus calamus rhizoma, Cannabis sativa fructus, Chamomilla matricaria, Ginkgo biloba, Salvia officinalis, Sweet bee venom, Fritillaria cirrhosae bulbus, and the herbal combinations Bu Yang Huan Wu, modified Bu Yang Huan Wu plus Liuwei Di Huang, modified Chai Hu Long Gu Mu Li Wan, Geranii herba plus Aconiti lateralis praeparata radix , Niu Che Sen Qi Wan (Goshajinkigan), Gui Zhi Jia Shu Fu Tang (Keishikajutsubuto), Huang Qi Wu Wu Tang (Ogikeishigomotsuto), and Shao Yao Gan Cao Tang (Shakuyakukanzoto). The knowledge of mechanism of action is still limited, the quality of clinical trials needs further improvement, and studies have not yielded enough evidence to establish a standard practice, but a lot of promising substances have been identified. While CIPN has multiple mechanisms of neuronal degeneration, a combination of herbs or substances might deal with multiple targets for the aim of neuroprotection or neuroregeneration in CIPN.
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Roberto B, Raffaella L, Carla PS, Giuseppe L. Intra-epidermal nerve fibers density and nociception in EPO-treated type 1 diabetic rats with peripheral neuropathy. Methods Mol Biol 2013; 982:197-211. [PMID: 23456871 DOI: 10.1007/978-1-62703-308-4_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
Abstract
Small-diameter nerve fibers, which subserve nociception, can be affected early in peripheral neuropathies, although their injury may not be detectable by routine neurophysiologic tests. On the other hand, skin biopsy has proved to be a reliable tool to examine nonmyelinated nerve fibers, as assessed by the quantification of intra-epidermal nerve fiber (IENF) density not only along with the degenerative process but, noteworthy, IENF density could be very helpful in evaluating drug efficacy such as erythropoietin (EPO) treatment.
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Affiliation(s)
- Bianchi Roberto
- Neuromuscular Diseases Unit, IRCCS Foundation, "Carlo Besta" Neurological Institute, Milan, Italy
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A potentially neuroprotective role for erythropoietin with paclitaxel treatment in ovarian cancer patients: a prospective phase II GINECO trial. Support Care Cancer 2013; 21:1947-54. [DOI: 10.1007/s00520-013-1748-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2012] [Accepted: 02/04/2013] [Indexed: 11/27/2022]
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Neuropatie periferiche e cancri solidi. Neurologia 2012. [DOI: 10.1016/s1634-7072(12)63279-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Wu Z, Mata M, Fink DJ. Prolonged regulatable expression of EPO from an HSV vector using the LAP2 promoter element. Gene Ther 2011; 19:1107-13. [PMID: 22089494 DOI: 10.1038/gt.2011.188] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
We previously reported regulated expression of erythropoietin (EPO) over 4 weeks in the peripheral nerve in vivo, using a herpes simplex virus (HSV)-based vector containing a Tet-on regulatable gene expression cassette. To create a vector that would be appropriate for the treatment of chronic neuropathy, we constructed a HSV vector with expression of EPO under the control of the Tet-on system in which the HSV latency-associated promoter 2 element was used to drive the expression of the Tet-on transactivator. EPO expression from the vector was tightly controlled by administration of doxycycline (DOX) in vitro. One month after inoculation of the vector to transduce dorsal root ganglion (DRG) in vivo, administration of DOX-containing chow-induced expression of EPO. Mice with streptozotocin-induced diabetes, inoculated with the vector, were protected against the development of neuropathy by continuous administration of DOX-containing chow over the course of 3 months. Identical results were achieved when DOX was administered every other week over 3 months of diabetes, but administration of DOX, 1 week out of 3, provided only partial protection against the development of neuropathy. Taken together, these results suggest such a vector is well suited for clinical trial for the treatment of chronic or subacutely developing neuropathy.
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Affiliation(s)
- Z Wu
- Department of Neurology, University of Michigan and VA Ann Arbor Healthcare System, Ann Arbor, MI 48109, USA
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Carozzi VA, Canta A, Oggioni N, Sala B, Chiorazzi A, Meregalli C, Bossi M, Marmiroli P, Cavaletti G. Neurophysiological and neuropathological characterization of new murine models of chemotherapy-induced chronic peripheral neuropathies. Exp Neurol 2010; 226:301-9. [PMID: 20832406 DOI: 10.1016/j.expneurol.2010.09.004] [Citation(s) in RCA: 81] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2010] [Revised: 08/31/2010] [Accepted: 09/01/2010] [Indexed: 12/30/2022]
Abstract
Cisplatin, paclitaxel and bortezomib belong to some of the most effective families of chemotherapy drugs for solid and haematological cancers. Epothilones represent a new family of very promising antitubulin agents. The clinical use of all these drugs is limited by their severe peripheral neurotoxicity. Several in vivo rat models have reproduced the characteristics of the peripheral neurotoxicity of these drugs. However, since only a very limited number of cancer types can be studied in immunocompetent rats, these animal models do not represent an effective way to evaluate, at the same time, the antineoplastic activity and the neurotoxic effects of the anticancer compounds. In this study, we characterized the neurophysiological impairment induced by chronic chemotherapy treatment in BALB/c mice, a strain suitable for assessing the activity of anticancer treatments. At the end of a 4-week period of treatment with cisplatin, paclitaxel, epothilone-B or bortezomib, sensory and sensory/motor nerve conduction velocities (NCV) were determined in the caudal and digital nerves and dorsal root ganglia (DRG) and sciatic nerves were collected for histopathological analysis. The electrophysiological studies revealed that all the compounds caused a statistically significant reduction in the caudal NCV, while impairment of the digital NCV was less severe. This functional damage was confirmed by the histopathological observations evidencing axonal degeneration in the sciatic nerve induced by all the drugs associated with pathological changes in DRG induced only by cisplatin and bortezomib. These results confirm the possibility to use our models to combine the study of the antineoplastic activity of anticancer drugs and of their toxic effects on the peripheral nervous system in the BALB/c mouse strain.
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Affiliation(s)
- V A Carozzi
- Department of Neuroscience and Biomedical Technologies, University of Milano-Bicocca, Monza (MI), Italy.
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