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Xu S, Wang Y. Transient Receptor Potential Channels: Multiple Modulators of Peripheral Neuropathic Pain in Several Rodent Models. Neurochem Res 2024; 49:872-886. [PMID: 38281247 DOI: 10.1007/s11064-023-04087-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/22/2023] [Accepted: 12/16/2023] [Indexed: 01/30/2024]
Abstract
Neuropathic pain, a prevalent chronic condition in clinical settings, has attracted widespread societal attention. This condition is characterized by a persistent pain state accompanied by affective and cognitive disruptions, significantly impacting patients' quality of life. However, current clinical therapies fall short of addressing its complexity. Thus, exploring the underlying molecular mechanism of neuropathic pain and identifying potential targets for intervention is highly warranted. The transient receptor potential (TRP) receptors, a class of widely distributed channel proteins, in the nervous system, play a crucial role in sensory signaling, cellular calcium regulation, and developmental influences. TRP ion channels are also responsible for various sensory responses including heat, cold, pain, and stress. This review highlights recent advances in understanding TRPs in various rodent models of neuropathic pain, aiming to uncover potential therapeutic targets for clinical management.
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Affiliation(s)
- Songchao Xu
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95, Yong'an Road, Xicheng District, Beijing, 100050, China
| | - Yun Wang
- Department of Anesthesiology, Beijing Friendship Hospital, Capital Medical University, No. 95, Yong'an Road, Xicheng District, Beijing, 100050, China.
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2
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Ghotbeddin Z, Peysokhan M, Dezfouli AM, Iraee MA. Nutritional Support of Crocin on Neurobehavioral Disabilities Induced by Cisplatin-Based Chemotherapy in Rats. Neurochem Res 2024; 49:649-659. [PMID: 38010604 DOI: 10.1007/s11064-023-04059-8] [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: 07/27/2023] [Revised: 10/21/2023] [Accepted: 10/26/2023] [Indexed: 11/29/2023]
Abstract
Cisplatin, a chemotherapy drug containing platinum, is considered a neurotoxic agent. On the other hand, crocin, the primary component of saffron, possesses neuroprotective and antioxidant properties. In this study, 28 healthy adult male Wistar rats weighing 200-250 g were used (6-7 weeks old). Rats were divided into a control group (Ctr), a crocin group (Cro), a cisplatin group (Cis), and a crocin with cisplatin group (Cro + Cis). Rotarod, open field, and shuttle box tests were performed to assess balance, explorative behavior, and avoidance memory. After behavioral testing, the hippocampus was extracted to analyze oxidative stress parameters such as GPx (glutathione peroxidase), SOD (superoxide dismutase), CAT (catalase), and MDA (malondialdehyde) activity. Shuttle box, rotarod, and open field results showed that crocin can substantially mitigate the deleterious effects of cisplatin on avoidance memory, explorative behavior, motor coordination, and balance. Crocin was also able to effectively avoid the negative effects of cisplatin on MDA, GPx, and CAT during the assessment of oxidative indicators, while the beneficial effect of crocin on cisplatin was not statistically significant in terms of SOD level. In conclusion, since free radicals produced by cisplatin are a contributing factor to memory loss and movement disorders, crocin, owing to its antioxidant properties, improved passive avoidance learning as well as motor activity.
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Affiliation(s)
- Zohreh Ghotbeddin
- Department of Basic Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
- Stem Cell and Transgenic Technology Research Center, Shahid Chamran University of Ahvaz, Ahvaz, Iran.
| | - Mohsen Peysokhan
- Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Anahita Memar Dezfouli
- Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Mohammad Asadi Iraee
- Department of Veterinary Clinical Sciences, Faculty of Veterinary Medicine, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Zhou L, Yang H, Wang J, Liu Y, Xu Y, Xu H, Feng Y, Ge W. The Therapeutic Potential of Antioxidants in Chemotherapy-Induced Peripheral Neuropathy: Evidence from Preclinical and Clinical Studies. Neurotherapeutics 2023; 20:339-358. [PMID: 36735180 PMCID: PMC10121987 DOI: 10.1007/s13311-023-01346-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2023] [Indexed: 02/04/2023] Open
Abstract
As cancer therapies advance and patient survival improves, there has been growing concern about the long-term adverse effects that patients may experience following treatment, and concerns have been raised about such persistent, progressive, and often irreversible adverse effects. Chemotherapy is a potentially life-extending treatment, and chemotherapy-induced peripheral neuropathy (CIPN) is one of its most common long-term toxicities. At present, strategies for the prevention and treatment of CIPN are still an open problem faced by medicine, and there has been a large amount of previous evidence that oxidative damage is involved in the process of CIPN. In this review, we focus on the lines of defense involving antioxidants that exert the effect of inhibiting CIPN. We also provide an update on the targets and clinical prospects of different antioxidants (melatonin, N-acetylcysteine, vitamins, α-lipoic acid, mineral elements, phytochemicals, nutritional antioxidants, cytoprotectants and synthetic compounds) in the treatment of CIPN with the help of preclinical and clinical studies, emphasizing the great potential of antioxidants as adjuvant strategies to mitigate CIPN.
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Affiliation(s)
- Lin Zhou
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, #321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Hui Yang
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, #321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Jing Wang
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, #321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Yunxing Liu
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, #321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Yinqiu Xu
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, #321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Hang Xu
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, #321 Zhongshan Road, Nanjing, 210008, Jiangsu, China
| | - Yong Feng
- Jiangsu Cancer Hospital & Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University, #42 Baizi Ting Road, Nanjing, 210009, Jiangsu, China.
| | - Weihong Ge
- Department of Pharmacy, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, #321 Zhongshan Road, Nanjing, 210008, Jiangsu, China.
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Mokhtar HEL, Hulail MAE, Mahmoud SM, Yousef DM. Impact of cisplatin administration on cerebellar cortical structure and locomotor activity of infantile and juvenile albino rats: the role of oxidative stress. Anat Sci Int 2021; 97:30-47. [PMID: 34386931 DOI: 10.1007/s12565-021-00624-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Accepted: 08/01/2021] [Indexed: 11/30/2022]
Abstract
The central neurotoxicity of cisplatin (CisPt) has always raised questions especially during development, but few studies are available. Hence, this work was designed to assess the CisPt's impacts on the postnatal rat cerebellum via evaluation of locomotor activity, histological and immunohistochemical studies, and to focus on cerebellar oxidative stress-related alterations. Eighty newborn pups were divided into 2 equal experimental groups: the control group was kept without any treatment and CisPt-treated group received a single subcutaneous injection of CisPt (5 μg /g b.w.) in their nape at PD10. Ten rats at PD11, PD17, and PD30 ages were weighed, then deeply anesthetized and sacrificed. For locomotor assessment, 20 pups were divided equally into control and CisPt-treated groups and tested at PD11-13, PD15-17, and PD28-30 ages. CisPt-treated rats suffered from decreased motor activity and showed decreased body and cerebellar weights, reduced levels of enzymatic antioxidants (SOD and CAT), and non-enzymatic antioxidant defense (GSH), and increase of lipid peroxidation marker (MDA). Histopathologically, CisPt sowed deleterious changes within cerebellar cortical layers in the form of vacuolations, decreased thickness, and hemorrhage (in PD17), while Purkinje cells exhibited profound degenerative changes in the form of swelling, disrupted arrangement, distortion, and nuclear shrinkage. In CisPt-treated rats, GFAP demonstrated upregulated, hypertrophied, and branched Bergmann glial fibers and reactive astrogliosis. Immuno-localization of Ki-67-positive cells revealed defective migration associated with decreased proliferation in early ages in addition to glial proliferation in PD30. In conclusion, CisPt causes oxidative stress-related deleterious effects on structure of developing cerebellar cortex and affects locomotor activity.
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Affiliation(s)
- Hanan E L Mokhtar
- Human Anatomy and Embryology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mohey A E Hulail
- Human Anatomy and Embryology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Samar Mortada Mahmoud
- Human Anatomy and Embryology, Faculty of Medicine, Zagazig University, Zagazig, Egypt.
| | - Doaa Mohammed Yousef
- Human Anatomy and Embryology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Bouali-Benazzouz R, Landry M, Benazzouz A, Fossat P. Neuropathic pain modeling: Focus on synaptic and ion channel mechanisms. Prog Neurobiol 2021; 201:102030. [PMID: 33711402 DOI: 10.1016/j.pneurobio.2021.102030] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 02/22/2021] [Indexed: 12/28/2022]
Abstract
Animal models of pain consist of modeling a pain-like state and measuring the consequent behavior. The first animal models of neuropathic pain (NP) were developed in rodents with a total lesion of the sciatic nerve. Later, other models targeting central or peripheral branches of nerves were developed to identify novel mechanisms that contribute to persistent pain conditions in NP. Objective assessment of pain in these different animal models represents a significant challenge for pre-clinical research. Multiple behavioral approaches are used to investigate and to validate pain phenotypes including withdrawal reflex to evoked stimuli, vocalizations, spontaneous pain, but also emotional and affective behaviors. Furthermore, animal models were very useful in investigating the mechanisms of NP. This review will focus on a detailed description of rodent models of NP and provide an overview of the assessment of the sensory and emotional components of pain. A detailed inventory will be made to examine spinal mechanisms involved in NP-induced hyperexcitability and underlying the current pharmacological approaches used in clinics with the possibility to present new avenues for future treatment. The success of pre-clinical studies in this area of research depends on the choice of the relevant model and the appropriate test based on the objectives of the study.
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Affiliation(s)
- Rabia Bouali-Benazzouz
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France.
| | - Marc Landry
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
| | - Abdelhamid Benazzouz
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
| | - Pascal Fossat
- Université de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France; CNRS, Institut des Maladies Neurodégénératives, UMR 5293, Bordeaux, France
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Stankovic JSK, Selakovic D, Mihailovic V, Rosic G. Antioxidant Supplementation in the Treatment of Neurotoxicity Induced by Platinum-Based Chemotherapeutics-A Review. Int J Mol Sci 2020; 21:E7753. [PMID: 33092125 PMCID: PMC7589133 DOI: 10.3390/ijms21207753] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 10/10/2020] [Accepted: 10/16/2020] [Indexed: 12/11/2022] Open
Abstract
Cancer represents one of the most pernicious public health problems with a high mortality rate among patients worldwide. Chemotherapy is one of the major therapeutic approaches for the treatment of various malignancies. Platinum-based drugs (cisplatin, oxaliplatin, carboplatin, etc.) are highly effective chemotherapeutic drugs used for the treatment of several types of malignancies, but their application and dosage are limited by their toxic effects on various systems, including neurotoxicity. Simultaneously, researchers have tried to improve the survival rate and quality of life of cancer patients and decrease the toxicity of platinum-containing drugs by combining them with non-chemotherapy-based drugs, dietary supplements and/or antioxidants. Additionally, recent studies have shown that the root cause for the many side effects of platinum chemotherapeutics involves the production of reactive oxygen species (ROS) in naive cells. Therefore, suppression of ROS generation and their inactivation with antioxidants represents an appropriate approach for platinum drug-induced toxicities. The aim of this paper is to present an updated review of the protective effects of different antioxidant agents (vitamins, dietary antioxidants and supplements, medicaments, medicinal plants and their bioactive compounds) against the neurotoxicity induced by platinum-based chemotherapeutics. This review highlights the high potential of plant antioxidants as adjuvant strategies in chemotherapy with platinum drugs.
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Affiliation(s)
- Jelena S. Katanic Stankovic
- Institute for Information Technologies Kragujevac, Department of Science, University of Kragujevac, Jovana Cvijica bb, 34000 Kragujevac, Serbia;
| | - Dragica Selakovic
- Faculty of Medical Sciences, Department of Physiology, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia;
| | - Vladimir Mihailovic
- Faculty of Science, Department of Chemistry, University of Kragujevac, Radoja Domanovica 12, 34000 Kragujevac, Serbia
| | - Gvozden Rosic
- Faculty of Medical Sciences, Department of Physiology, University of Kragujevac, Svetozara Markovica 69, 34000 Kragujevac, Serbia;
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Bruna J, Alberti P, Calls-Cobos A, Caillaud M, Damaj MI, Navarro X. Methods for in vivo studies in rodents of chemotherapy induced peripheral neuropathy. Exp Neurol 2020; 325:113154. [PMID: 31837318 PMCID: PMC7105293 DOI: 10.1016/j.expneurol.2019.113154] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/07/2019] [Accepted: 12/10/2019] [Indexed: 12/15/2022]
Abstract
Peripheral neuropathy is one of the most common, dose limiting, and long-lasting disabling adverse events of chemotherapy treatment. Unfortunately, no treatment has proven efficacy to prevent this adverse effect in patients or improve the nerve regeneration, once it is established. Experimental models, particularly using rats and mice, are useful to investigate the mechanisms related to axonal or neuronal degeneration and target loss of function induced by neurotoxic drugs, as well as to test new strategies to prevent the development of neuropathy and to improve functional restitution. Therefore, objective and reliable methods should be applied for the assessment of function and innervation in adequately designed in vivo studies of CIPN, taking into account the impact of age, sex and species/strains features. This review gives an overview of the most useful methods to assess sensory, motor and autonomic functions, electrophysiological and morphological tests in rodent models of peripheral neuropathy, focused on CIPN. We include as well a proposal of protocols that may improve the quality and comparability of studies undertaken in different laboratories. It is recommended to apply more than one functional method for each type of function, and to perform parallel morphological studies in the same targets and models.
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Affiliation(s)
- Jordi Bruna
- Unit of Neuro-Oncology, Hospital Universitari de Bellvitge, Institut Català d'Oncologia L'Hospitalet, IDIBELL, Hospitalet de Llobregat, Barcelona, Spain; Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona, Bellaterra, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain
| | - Paola Alberti
- Experimental Neurology Unit, School of Medicine and Surgery, University Milano Bicocca, Monza, Italy; NeuroMI (Milan Center for Neuroscience), Milan, Italy
| | - Aina Calls-Cobos
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona, Bellaterra, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain
| | - Martial Caillaud
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA
| | - M Imad Damaj
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA
| | - Xavier Navarro
- Department of Cell Biology, Physiology and Immunology, Institute of Neurosciences, Universitat Autònoma de Barcelona, Bellaterra, Spain; Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Spain.
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Liao CF, Hsu ST, Chen CC, Yao CH, Lin JH, Chen YH, Chen YS. Effects of Electrical Stimulation on Peripheral Nerve Regeneration in a Silicone Rubber Conduit in Taxol-Treated Rats. MATERIALS 2020; 13:ma13051063. [PMID: 32120862 PMCID: PMC7084817 DOI: 10.3390/ma13051063] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 02/20/2020] [Accepted: 02/24/2020] [Indexed: 02/06/2023]
Abstract
Taxol, a type of antimitotic agent, could modulate local inflammatory conditions in peripheral nerves, which may impair their regeneration and recovery when injured. This study provided in vivo trials of silicone rubber chambers to bridge a long 10 mm sciatic nerve defect in taxol-treated rats. It was aimed to determine the effects of electrical stimulation at various frequencies on regeneration of the sciatic nerves in the bridging conduits. Taxol-treated rats were divided into four groups (n = 10/group): sham control (no current delivered from the stimulator); and electrical stimulation (3 times/week for 3 weeks at 2, 20, and 200 Hz with 1 mA current intensity). Neuronal electrophysiology, animal behavior, neuronal connectivity, macrophage infiltration, calcitonin gene-related peptide (CGRP) expression levels, and morphological observations were evaluated. At the end of 4 weeks, animals in the low- (2 Hz) and medium-frequency (20 Hz) groups had dramatic higher rates of successful regeneration (90% and 80%) across the wide gap as compared to the groups of sham and high-frequency (200 Hz) (60% and 50%). In addition, the 2 Hz group had significantly larger amplitudes and evoked muscle action potentials compared to the sham and the 200 Hz group, respectively (P < 0.05). Heat, cold plate licking latencies, motor coordination, and neuronal connectivity were unaffected by the electrical stimulation. Macrophage density, CGRP expression level, and axon number were all significantly increased in the 20 Hz group compared to the sham group (P < 0.05). This study suggested that low- (2 Hz) to medium-frequency (20 Hz) electrical stimulation could ameliorate local inflammatory conditions to augment recovery of regenerating nerves by accelerating their regrowth and improving electrophysiological function in taxol-treated peripheral nerve injury repaired with the silicone rubber conduit.
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Affiliation(s)
- Chien-Fu Liao
- Department of Biological Science and Technology, School of Medicine, China Medical University, Taichung 40402, Taiwan; (C.-F.L.); (C.-H.Y.)
| | - Shih-Tien Hsu
- Lab of Biomaterials, Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan;
- Department of Obstetrics and Gynecology, Taichung Veterans General Hospital, Taichung 40705, Taiwan
| | - Chung-Chia Chen
- Linsen Chinese Medicine and Kunming Branch, Taipei City Hospital, Taipei 10341, Taiwan;
| | - Chun-Hsu Yao
- Department of Biological Science and Technology, School of Medicine, China Medical University, Taichung 40402, Taiwan; (C.-F.L.); (C.-H.Y.)
- Lab of Biomaterials, Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan;
- Department of Bioinformatics and Medical Engineering, Department of Psychology, College of Medical and Health Science, Asia University, Taichung 41354, Taiwan
- Biomaterials Translational Research Center, China Medical University Hospital, Taichung 40447, Taiwan
| | - Jia-Horng Lin
- Department of Fiber and Composite Materials, Feng Chia University, Taichung 40724, Taiwan;
| | - Yung-Hsiang Chen
- Department of Bioinformatics and Medical Engineering, Department of Psychology, College of Medical and Health Science, Asia University, Taichung 41354, Taiwan
- Graduate Institute of Integrated Medicine, Research Center for Chinese Medicine & Acupuncture, China Medical University, Taichung 40402, Taiwan
- Correspondence: (Y.-H.C.); (Y.-S.C.)
| | - Yueh-Sheng Chen
- Department of Biological Science and Technology, School of Medicine, China Medical University, Taichung 40402, Taiwan; (C.-F.L.); (C.-H.Y.)
- Lab of Biomaterials, Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan;
- Department of Bioinformatics and Medical Engineering, Department of Psychology, College of Medical and Health Science, Asia University, Taichung 41354, Taiwan
- Biomaterials Translational Research Center, China Medical University Hospital, Taichung 40447, Taiwan
- Correspondence: (Y.-H.C.); (Y.-S.C.)
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Kumar A, Kaur H, Singh A. Neuropathic Pain models caused by damage to central or peripheral nervous system. Pharmacol Rep 2017; 70:206-216. [PMID: 29475003 DOI: 10.1016/j.pharep.2017.09.009] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 08/24/2017] [Accepted: 09/29/2017] [Indexed: 12/16/2022]
Abstract
Neuropathic Pain (NP) is a painful condition which is a direct consequence of a lesion or disease affecting the somatosensory system with symptoms like allodynia, hyperalgesia. It has complex pathogenesis as it involves several molecular signaling pathways, thus numerous reliable animal models are crucial to understand the underlying mechanism of NP and formulate effective management therapy. Some models like spinal cord injury, chronic constriction injury, spinal nerve ligation, chemotherapy induced peripheral neuropathy, diabetes-induced NP and many more are discussed. This review contains an overview of the procedures followed to induce neuropathy and specific characteristics of that particular model. Some new techniques like spared nerve ligation, have omitted the limitation of methods not presently used where complete nerve damage occurs. Since animal models provide a window to experienced symptoms and physiology and impact the translation of bench discoveries to the bedside, the reporting, interpretation and comparison of these models is necessary because slight variation in procedure of model generation can drastically alter the results. The development of novel, but rational analgesic drugs to alleviate this intractable pain demands elucidation of molecular mechanisms of NP for which different types of animal models have been established.
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Affiliation(s)
- Anil Kumar
- Pharmacology Division, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Study (UGC-CAS), Panjab University, Chandigarh, India.
| | - Harshpreet Kaur
- Pharmacology Division, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Study (UGC-CAS), Panjab University, Chandigarh, India
| | - Arti Singh
- Pharmacology Division, University Institute of Pharmaceutical Sciences, UGC Centre of Advanced Study (UGC-CAS), Panjab University, Chandigarh, India
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Effects of Taxol on Regeneration in a Rat Sciatic Nerve Transection Model. Sci Rep 2017; 7:42280. [PMID: 28181572 PMCID: PMC5299405 DOI: 10.1038/srep42280] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Accepted: 01/09/2017] [Indexed: 01/01/2023] Open
Abstract
Recent studies describe taxol as a candidate treatment for promoting central nerve regeneration. However, taxol has serious side effects including peripheral neurotoxicity, and little information is known about the effect of taxol on peripheral nerve regeneration. We investigated the effects of taxol on regeneration in a rat sciatic nerve transection model. Rats were divided into four groups (n = 10): normal saline (i.p.) as the control, Cremophor EL vehicle, and 2 or 6 mg/kg of taxol in the Cremophor EL solution (four times in day-2, 4, 6, and 8), respectively. We evaluated neuronal electrophysiology, animal behaviour, neuronal connectivity, macrophage infiltration, location and expression levels of calcitonin gene-related peptide (CGRP), and expression levels of both nerve growth factors and immunoregulatory factors. In the high-dose taxol group (6 mg/kg), neuronal electrophysiological function was significantly impaired. Licking latencies were significantly changed while motor coordination was unaffected. Neuronal connectivity, macrophage density, and expression levels of CGRP was dramatically reduced. Expression levels of nerve growth factors and immunoregulatory factors was also reduced, while it was increased in the low-dose taxol group (2 mg/kg). These results indicate that taxol can modulate local inflammatory conditions, impair nerve regeneration, and impede recovery of a severe peripheral nerve injury.
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11
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Hopkins HL, Duggett NA, Flatters SJ. Chemotherapy-induced painful neuropathy: pain-like behaviours in rodent models and their response to commonly used analgesics. Curr Opin Support Palliat Care 2016; 10:119-128. [PMID: 27054288 PMCID: PMC4982532 DOI: 10.1097/spc.0000000000000204] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
PURPOSE OF REVIEW Chemotherapy-induced painful neuropathy (CIPN) is a major dose-limiting side-effect of several widely used chemotherapeutics. Rodent models of CIPN have been developed using a range of dosing regimens to reproduce pain-like behaviours akin to patient-reported symptoms. This review aims to connect recent evidence-based suggestions for clinical treatment to preclinical data. RECENT FINDINGS We will discuss CIPN models evoked by systemic administration of taxanes (paclitaxel and docetaxel), platinum-based agents (oxaliplatin and cisplatin), and the proteasome-inhibitor - bortezomib. We present an overview of dosing regimens to produce CIPN models and their phenotype of pain-like behaviours. In addition, we will discuss how potential, clinically available treatments affect pain-like behaviours in these rodent models, relating those effects to clinical trial data wherever possible. We have focussed on antidepressants, opioids, and gabapentinoids given their broad usage. SUMMARY The review outlines the latest description of the most-relevant rodent models of CIPN enabling comparison between chemotherapeutics, dosing regimen, rodent strain, and sex. Preclinical data support many of the recent suggestions for clinical management of established CIPN and provides evidence for potential treatments warranting clinical investigation. Continued research using rodent CIPN models will provide much needed understanding of the causal mechanisms of CIPN, leading to new treatments for this major clinical problem.
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Affiliation(s)
- Holly L. Hopkins
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE1 1UL, UK
| | - Natalie A. Duggett
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE1 1UL, UK
| | - Sarah J.L. Flatters
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, London SE1 1UL, UK
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12
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A ruthenium(II) complex inhibits tumor growth in vivo with fewer side-effects compared with cisplatin. J Inorg Biochem 2015; 146:89-96. [DOI: 10.1016/j.jinorgbio.2015.02.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 02/05/2015] [Accepted: 02/05/2015] [Indexed: 11/20/2022]
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13
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Naji-Esfahani H, Vaseghi G, Safaeian L, Pilehvarian AA, Abed A, Rafieian-Kopaei M. Gender differences in a mouse model of chemotherapy-induced neuropathic pain. Lab Anim 2015; 50:15-20. [DOI: 10.1177/0023677215575863] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Chemotherapy-induced neuropathic pain is one of the major problems for cancer patients. Although paclitaxel and cisplatin are widely used in women, most laboratory studies of chemotherapy-induced neuropathic pain have been conducted on male animals. The current study examined the gender differences in chemotherapy-induced neuropathic pain in mice. Neuropathic pain was induced by intraperitoneal injection of paclitaxel (2 mg/kg) for five consecutive days and cisplatin (1 mg/kg) for seven consecutive days. Cold allodynia was evaluated by measuring the paw withdrawal frequency and duration of paw licking in mice; however, mechanical allodynia was assessed by von Frey filaments. Neuropathic pain began to manifest after a few days ( P < 0.001). Cold allodynia was more robust in female mice ( P < 0.001) treated with paclitaxel, while no differences were observed between the two genders in the manifestation of paclitaxel-induced mechanical allodynia. Interestingly, no gender differences were observed in cisplatin-induced cold and mechanical allodynia tests. In conclusion, gender differences play a major role in neuropathic pain induced by paclitaxel. The differences between male and female animals should be considered in future studies and the findings should be generalized to humans with caution.
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Affiliation(s)
- H Naji-Esfahani
- Applied Physiology Research Center, Department of Pharmacology, Isfahan University of Medical Sciences, Isfahan, Iran
- Department of Basic Sciences, Isfahan Payame Noor University, Isfahan, Iran
| | - G Vaseghi
- Applied Physiology Research Center, Department of Pharmacology, Isfahan University of Medical Sciences, Isfahan, Iran
| | - L Safaeian
- Department of Pharmacology and Toxicology and Isfahan Pharmaceutical Sciences, Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan, University of Medical Sciences, Isfahan, Iran
| | - A-A Pilehvarian
- Department of Basic Sciences, Isfahan Payame Noor University, Isfahan, Iran
| | - A Abed
- Department of Pharmacology, School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - M Rafieian-Kopaei
- Medical Plant Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
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Carozzi VA, Chiorazzi A, Canta A, Meregalli C, Oggioni N, Cavaletti G, Marmiroli P. Chemotherapy-induced peripheral neurotoxicity in immune-deficient mice: new useful ready-to-use animal models. Exp Neurol 2014; 264:92-102. [PMID: 25450467 DOI: 10.1016/j.expneurol.2014.11.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2014] [Revised: 10/27/2014] [Accepted: 11/04/2014] [Indexed: 12/13/2022]
Abstract
Cisplatin, paclitaxel and bortezomib are effective chemotherapy drugs in cancer treatment. However, they share severe peripheral neurotoxicity (PN) as one of their major dose-limiting side effects, often impairing cancer patients' quality of life and sometimes being permanent. Even if preclinical oncology is largely based on the use of immune-deficient mice, rodent models used to study the chemotherapy-induced PN are available only in immune-competent animals. In this study we characterized for the first time the PN induced by these chemotherapies through neurophysiological, behavioral, morphological and morphometric studies in athymic nude mice, a commonly employed strain in the preclinical oncology. The animals, divided into four groups, were chronically treated with cisplatin, paclitaxel or bortezomib once or twice a week for 4 or 6 weeks or were left untreated. These schedules were tolerated, neurotoxic and in the range of antineoplastic effectiveness. Despite similarities, differences in the features of PN were evident if compared with immune-competent models under comparable regimens of treatment. The results of this study may provide a basis for future combined analysis of antineoplastic and neurotoxic effects of chemotherapy in the same animals.
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Affiliation(s)
- Valentina Alda Carozzi
- Experimental Neurology Unit and Center for Neuroscience of Milan, Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, MB, Italy; Young Against Pain (YAP) Italian Group, Italy.
| | - Alessia Chiorazzi
- Experimental Neurology Unit and Center for Neuroscience of Milan, Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, MB, Italy
| | - Annalisa Canta
- Experimental Neurology Unit and Center for Neuroscience of Milan, Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, MB, Italy
| | - Cristina Meregalli
- Experimental Neurology Unit and Center for Neuroscience of Milan, Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, MB, Italy
| | - Norberto Oggioni
- Experimental Neurology Unit and Center for Neuroscience of Milan, Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, MB, Italy
| | - Guido Cavaletti
- Experimental Neurology Unit and Center for Neuroscience of Milan, Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, MB, Italy
| | - Paola Marmiroli
- Experimental Neurology Unit and Center for Neuroscience of Milan, Department of Surgery and Translational Medicine, University of Milan-Bicocca, Monza, MB, Italy
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15
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Deuis JR, Lim YL, Rodrigues de Sousa S, Lewis RJ, Alewood PF, Cabot PJ, Vetter I. Analgesic effects of clinically used compounds in novel mouse models of polyneuropathy induced by oxaliplatin and cisplatin. Neuro Oncol 2014; 16:1324-32. [PMID: 24714523 DOI: 10.1093/neuonc/nou048] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Peripheral neuropathy is the major dose-limiting side effect of cisplatin and oxaliplatin, and there are currently no effective treatments available. The aim of this study was to assess the pharmacological mechanisms underlying chemotherapy-induced neuropathy in novel animal models based on intraplantar administration of cisplatin and oxaliplatin and to systematically evaluate the analgesic efficacy of a range of therapeutics. METHODS Neuropathy was induced by a single intraplantar injection of cisplatin or oxaliplatin in C57BL/6J mice and assessed by quantification of mechanical and thermal allodynia. The pharmacological basis of cisplatin-induced neuropathy was characterized using a range of selective pharmacological inhibitors. The analgesic effects of phenytoin, amitriptyline, oxcarbazepine, mexiletine, topiramate, retigabine, gabapentin, fentanyl, and Ca(2+/)Mg(2+) were assessed 24 hours after induction of neuropathy. RESULTS Intraplantar administration of cisplatin led to the development of mechanical allodynia, mediated through Nav1.6-expressing sensory neurons. Unlike intraplantar injection of oxaliplatin, cold allodynia was not observed with cisplatin, consistent with clinical observations. Surprisingly, only fentanyl was effective at alleviating cisplatin-induced mechanical allodynia despite a lack of efficacy in oxaliplatin-induced cold allodynia. Conversely, lamotrigine, phenytoin, retigabine, and gabapentin were effective at reversing oxaliplatin-induced cold allodynia but had no effect on cisplatin-induced mechanical allodynia. Oxcarbazepine, amitriptyline, mexiletine, and topiramate lacked efficacy in both models of acute chemotherapy-induced neuropathy. CONCLUSION This study established a novel animal model of cisplatin-induced mechanical allodynia consistent with the A-fiber neuropathy seen clinically. Systematic assessment of a range of therapeutics identified several candidates that warrant further clinical investigation.
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Affiliation(s)
- Jennifer R Deuis
- School of Pharmacy, The University of Queensland, Woolloongabba, Australia (J.R.D., Y.L.L., P.J.C., I.V.); Institute for Molecular Bioscience, The University of Queensland, St Lucia, Australia (J.R.D., S.R., R.J.L., P.F.A., I.V.)
| | - Yu Ling Lim
- School of Pharmacy, The University of Queensland, Woolloongabba, Australia (J.R.D., Y.L.L., P.J.C., I.V.); Institute for Molecular Bioscience, The University of Queensland, St Lucia, Australia (J.R.D., S.R., R.J.L., P.F.A., I.V.)
| | - Silmara Rodrigues de Sousa
- School of Pharmacy, The University of Queensland, Woolloongabba, Australia (J.R.D., Y.L.L., P.J.C., I.V.); Institute for Molecular Bioscience, The University of Queensland, St Lucia, Australia (J.R.D., S.R., R.J.L., P.F.A., I.V.)
| | - Richard J Lewis
- School of Pharmacy, The University of Queensland, Woolloongabba, Australia (J.R.D., Y.L.L., P.J.C., I.V.); Institute for Molecular Bioscience, The University of Queensland, St Lucia, Australia (J.R.D., S.R., R.J.L., P.F.A., I.V.)
| | - Paul F Alewood
- School of Pharmacy, The University of Queensland, Woolloongabba, Australia (J.R.D., Y.L.L., P.J.C., I.V.); Institute for Molecular Bioscience, The University of Queensland, St Lucia, Australia (J.R.D., S.R., R.J.L., P.F.A., I.V.)
| | - Peter J Cabot
- School of Pharmacy, The University of Queensland, Woolloongabba, Australia (J.R.D., Y.L.L., P.J.C., I.V.); Institute for Molecular Bioscience, The University of Queensland, St Lucia, Australia (J.R.D., S.R., R.J.L., P.F.A., I.V.)
| | - Irina Vetter
- School of Pharmacy, The University of Queensland, Woolloongabba, Australia (J.R.D., Y.L.L., P.J.C., I.V.); Institute for Molecular Bioscience, The University of Queensland, St Lucia, Australia (J.R.D., S.R., R.J.L., P.F.A., I.V.)
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Bower JE, Lamkin DM. Inflammation and cancer-related fatigue: mechanisms, contributing factors, and treatment implications. Brain Behav Immun 2013; 30 Suppl:S48-57. [PMID: 22776268 PMCID: PMC3978020 DOI: 10.1016/j.bbi.2012.06.011] [Citation(s) in RCA: 218] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Revised: 06/16/2012] [Accepted: 06/19/2012] [Indexed: 01/18/2023] Open
Abstract
Fatigue is one of the most common and distressing side effects of cancer and its treatment, and may persist for years after treatment completion in otherwise healthy survivors. Guided by basic research on neuro-immune interactions, a growing body of research has examined the hypothesis that cancer-related fatigue is driven by activation of the pro-inflammatory cytokine network. In this review, we examine the current state of the evidence linking inflammation and cancer-related fatigue, drawing from recent human research and from experimental animal models probing effects of cancer and cancer treatment on inflammation and fatigue. In addition, we consider two key questions that are currently driving research in this area: what are the neural mechanisms of fatigue, and what are the biological and psychological factors that influence the onset and/or persistence of inflammation and fatigue in cancer patients and survivors? Identification of the mechanisms driving cancer-related fatigue and associated risk factors will facilitate the development of targeted interventions for vulnerable patients.
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Affiliation(s)
- Julienne E. Bower
- UCLA Department of Psychology at UCLA,Cousins Center for Psychoneuroimmunology, Semel Institute at UCLA,UCLA Department of Psychiatry and Biobehavioral Sciences at UCLA,Division of Cancer Prevention and Control Research, Jonsson Comprehensive Cancer Center at UCLA
| | - Donald M. Lamkin
- Cousins Center for Psychoneuroimmunology, Semel Institute at UCLA
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Abstract
Painful peripheral neuropathy is a dose-limiting complication of chemotherapy. Cisplatin produces a cumulative toxic effect on peripheral nerves, and 30-40% of cancer patients receiving this agent experience pain. By modeling cisplatin-induced hyperalgesia in mice with daily injections of cisplatin (1 mg/kg, i.p.) for 7 d, we investigated the anti-hyperalgesic effects of anandamide (AEA) and cyclohexylcarbamic acid 3'-carbamoyl-biphenyl-3-yl ester (URB597), an inhibitor of AEA hydrolysis. Cisplatin-induced mechanical and heat hyperalgesia were accompanied by a decrease in the level of AEA in plantar paw skin. No changes in motor activity were observed after seven injections of cisplatin. Intraplantar injection of AEA (10 μg/10 μl) or URB597 (9 μg/10 μl) transiently attenuated hyperalgesia through activation of peripheral CB₁ receptors. Co-injections of URB597 (0.3 mg/kg daily, i.p.) with cisplatin decreased and delayed the development of mechanical and heat hyperalgesia. The effect of URB597 was mediated by CB₁ receptors since AM281 (0.33 mg/kg daily, i.p.) blocked the effect of URB597. Co-injection of URB597 also normalized the cisplatin-induced decrease in conduction velocity of Aα/Aβ-fibers and reduced the increase of ATF-3 and TRPV1 immunoreactivity in dorsal root ganglion (DRG) neurons. Since DRGs are a primary site of toxicity by cisplatin, effects of cisplatin were studied on cultured DRG neurons. Incubation of DRG neurons with cisplatin (4 μg/ml) for 24 h decreased the total length of neurites. URB597 (100 nM) attenuated these changes through activation of CB₁ receptors. Collectively, these results suggest that pharmacological facilitation of AEA signaling is a promising strategy for attenuating cisplatin-associated sensory neuropathy.
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18
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Sex-dimorphic effects of dehydroepiandrosterone in diabetic neuropathy. Neuroscience 2011; 199:401-9. [DOI: 10.1016/j.neuroscience.2011.09.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2011] [Revised: 09/05/2011] [Accepted: 09/06/2011] [Indexed: 12/12/2022]
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19
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Kiya T, Kawamata T, Namiki A, Yamakage M. Role of satellite cell-derived l-serine in the dorsal root ganglion in paclitaxel-induced painful peripheral neuropathy. Neuroscience 2011; 174:190-9. [DOI: 10.1016/j.neuroscience.2010.11.046] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2010] [Revised: 11/22/2010] [Accepted: 11/22/2010] [Indexed: 02/05/2023]
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21
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Scuteri A, Galimberti A, Ravasi M, Pasini S, Donzelli E, Cavaletti G, Tredici G. NGF protects Dorsal Root Ganglion neurons from oxaliplatin by modulating JNK/Sapk and ERK1/2. Neurosci Lett 2010; 486:141-5. [DOI: 10.1016/j.neulet.2010.09.028] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2010] [Revised: 08/24/2010] [Accepted: 09/10/2010] [Indexed: 11/28/2022]
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22
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Canta A, Meregalli C, Chiorazzi A, Carozzi VA, Crippa L, Marmiroli P, Cavaletti G. The ventral caudal nerve: a physiologic-morphometric study in three different rat strains. J Peripher Nerv Syst 2010; 15:140-6. [DOI: 10.1111/j.1529-8027.2010.00261.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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23
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Giatti S, Pesaresi M, Cavaletti G, Bianchi R, Carozzi V, Lombardi R, Maschi O, Lauria G, Garcia-Segura L, Caruso D, Melcangi R. Neuroprotective effects of a ligand of translocator protein-18kDa (Ro5-4864) in experimental diabetic neuropathy. Neuroscience 2009; 164:520-9. [DOI: 10.1016/j.neuroscience.2009.08.005] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2009] [Revised: 08/03/2009] [Accepted: 08/03/2009] [Indexed: 12/11/2022]
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Authier N, Balayssac D, Marchand F, Ling B, Zangarelli A, Descoeur J, Coudore F, Bourinet E, Eschalier A. Animal models of chemotherapy-evoked painful peripheral neuropathies. Neurotherapeutics 2009; 6:620-9. [PMID: 19789067 PMCID: PMC5084284 DOI: 10.1016/j.nurt.2009.07.003] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2009] [Accepted: 07/09/2009] [Indexed: 12/22/2022] Open
Abstract
This review examines recent preclinical research on toxic peripheral neuropathy and potential therapeutic developments. Chemotherapy-induced peripheral neurotoxicity is a major clinical problem because it represents the dose-limiting side effects of a significant number of antineoplastic drugs. Patients are unable to complete full or optimal treatment schedules. The incidence of chemotherapy-induced peripheral neuropathy varies depending on the drugs and schedules used, and this can be quite high, particularly when neurophysiological methods are used to make a diagnosis. However, even when chemotherapy-induced peripheral neuropathy is not a dose-limiting side effect, its onset may severely affect the quality of life of cancer patients and cause chronic discomfort. As such, improved understanding of the pathophysiology of chemotherapy-induced neurotoxicity need for animal models is clinically relevant and will assist in the development of future neuroprotective strategies and also in the design of novel chemotherapies with improved toxicity profiles. In this review, the features of animal models of chemotherapy-induced painful neuropathy developed for 20 years, due to the administration of the most widely used drugs, such as platinum drugs, taxanes, and vinca alkaloids, will be discussed. In a second part, data available on neuroprotectants and treatment strategies, evaluated using these previous animal models in the attempt to prevent neuropathic pain, will be summarized.
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25
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Roglio I, Bianchi R, Camozzi F, Carozzi V, Cervellini I, Crippa D, Lauria G, Cavaletti G, Melcangi RC. Docetaxel-induced peripheral neuropathy: protective effects of dihydroprogesterone and progesterone in an experimental model. J Peripher Nerv Syst 2009; 14:36-44. [PMID: 19335538 DOI: 10.1111/j.1529-8027.2009.00204.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Peripheral neurotoxicity is a frequent complication limiting docetaxel chemotherapy in patients with cancer. We developed an experimental model that closely mimics the course of neuropathy in patients, aiming to investigate both the mechanisms of neurotoxicity at biochemical, functional and morphological levels and the potential neuroprotective role of neuroactive steroids. We demonstrated that treatment with dihydroprogesterone (DHP) or progesterone (P) counteracts docetaxel-induced neuropathy, preventing nerve conduction and thermal threshold changes, and degeneration of skin nerves in the foodpad. Neuroactive steroids also counteract the changes in gene expression of several myelin proteins and calcitonin gene-related peptide induced by docetaxel in sciatic nerve and lumbar spinal cord, respectively. Most nerve abnormalities observed during the treatment with docetaxel spontaneously recovered after drug withdrawal, similarly to what occurs in patients. However, results of midterm follow-up experiments indicated that animals cotreated with DHP or P have a faster recovery of the neuropathy compared with docetaxel-treated rats. Our study confirmed that neuroactive steroids exert a protective effect on peripheral nerves at different levels, suggesting that they might represent a new therapeutic frontier for patients with chemotherapy-induced neuropathy.
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Affiliation(s)
- Ilaria Roglio
- Department of Endocrinology and Center of Excellence on Neurodegenerative Diseases, University of Milan, Milan, Italy
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26
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Chiorazzi A, Nicolini G, Canta A, Oggioni N, Rigolio R, Cossa G, Lombardi R, Roglio I, Cervellini I, Lauria G, Melcangi RC, Bianchi R, Crippa D, Cavaletti G. Experimental epothilone B neurotoxicity: results of in vitro and in vivo studies. Neurobiol Dis 2009; 35:270-7. [PMID: 19464369 DOI: 10.1016/j.nbd.2009.05.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2009] [Revised: 03/24/2009] [Accepted: 05/15/2009] [Indexed: 11/25/2022] Open
Abstract
Epothilones are a novel class of microtubule-targeting anticancer agents that are neurotoxic. In this study, we investigated the epothilone B toxic effect in vitro and we characterized in vivo the general and neurological side effects of epothilone B administration in Wistar and Fischer rats. The in vitro experiments made it possible to explore a wide concentration range (0.1 nM-1 muM) and evidenced a dose-dependent effect of epothilone B exposure on neuron neurite elongation. This dose-dependent neurotoxic effect was confirmed in both in vivo studies performed on two different rat strains at the neurophysiological, behavioral and pathological levels in the dose range 0.25-1.5 mg/kg iv weekly x 4 weeks and tubulin hyper-polymerization was demonstrated in sciatic nerve specimens. These are the first studies of the neurological effects of epothilone B and they can provide a basis for extending pre-clinical investigation to other members of the epothilone family.
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Affiliation(s)
- Alessia Chiorazzi
- Department of Neuroscience and Biomedical Technologies, University of Milan Bicocca, Monza, Italy.
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Effect of the chronic combined administration of cisplatin and paclitaxel in a rat model of peripheral neurotoxicity. Eur J Cancer 2008; 45:656-65. [PMID: 19091544 DOI: 10.1016/j.ejca.2008.10.038] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Revised: 10/14/2008] [Accepted: 10/24/2008] [Indexed: 11/22/2022]
Abstract
We have characterised for the first time the general and neurological side effects experienced when using a series of chronic non-lethal cisplatin + paclitaxel schedules in Wistar rats, selected according to our previous experience and the animals' maximum tolerated dose. At the pathological level, the use of combination schedules was definitely more toxic at the kidney and sternal bone marrow level than the single-agent schedules. At the neurophysiological examination based on the assessment of the nerve conduction velocity measurement in the tail nerve, we identified only one combination schedule that was more neurotoxic than the similar schedules based on single-agent administration. This observation was confirmed by the neuropathological examination performed on the sciatic nerve, dorsal root ganglia, ventral and dorsal roots. Our study supports the hypothesis that the general and, to a lesser extent, neurological effects of a combination of cisplatin and paclitaxel are different from those of the administration of both drugs as single agents. We believe that these models may be useful for testing neuroprotective strategies.
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28
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Behavioral and electrophysiological studies in rats with cisplatin-induced chemoneuropathy. Brain Res 2008; 1230:91-8. [PMID: 18657527 DOI: 10.1016/j.brainres.2008.07.022] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2008] [Revised: 07/02/2008] [Accepted: 07/07/2008] [Indexed: 11/20/2022]
Abstract
Neuropathy is the chief dose-limiting side effect associated with the major classes of frontline cancer therapy drugs. Here the changes in behavioral responses of rats to cutaneous mechanical and thermal stimuli occurring following treatment with cisplatin and the changes in spinal neurophysiology accompanying the development of chemotherapy-induced hyperalgesia were explored. Systemic treatment with cisplatin induced changes in both mechanical and thermal cutaneous sensory withdrawal thresholds of Sprague-Dawley rats. High doses of chemotherapy produced hypoalgesia whereas lower doses produced hyperalgesia. Follow-up neurophysiological studies in rats with chemotherapy-induced hyperalgesia revealed that deep spinal lamina wide dynamic range neurons had significantly higher spontaneous activity and longer afterdischarges to noxious mechanical stimuli than wide dynamic range neurons in control rats; cisplatin administration was also associated with longer afterdischarges and abnormal wind-up to transcutaneous electrical stimuli. The hyperexcitability observed during cisplatin-induced hyperalgesia is very similar to that observed in rats with hyperalgesia produced following treatment with other very diverse types of chemotherapeutic agents and similar to that observed following specific types of direct nerve injury.
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29
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Bianchi R, Gilardini A, Rodriguez-Menendez V, Oggioni N, Canta A, Colombo T, De Michele G, Martone S, Sfacteria A, Piedemonte G, Grasso G, Beccaglia P, Ghezzi P, D'Incalci M, Lauria G, Cavaletti G. Cisplatin-induced peripheral neuropathy: Neuroprotection by erythropoietin without affecting tumour growth. Eur J Cancer 2007; 43:710-7. [PMID: 17251006 DOI: 10.1016/j.ejca.2006.09.028] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2006] [Revised: 09/11/2006] [Accepted: 09/19/2006] [Indexed: 11/27/2022]
Abstract
This study examined the dose-dependent efficacy of erythropoietin (EPO) for preventing and/or treating cisplatin (CDDP) induced peripheral neurotoxicity (CINP), and its influence on tumour treatment and growth. Rats received eight intraperitoneal (ip) injections of 2 mg/kg CDDP twice weekly. EPO co-administered (50 or 10 microg/kg ip, three times/week) had a dose-dependent effect, partially preventing CINP, but 0.5 microg/kg ip was not effective. The neuroprotective effect lasted at least 5 weeks after the last dose of EPO and CDDP. In addition, EPO (50 microg/kg ip three times/week) after the last injection of CDDP still induced a significant recovery of CINP. In a separate experiment in rats bearing mammary carcinoma EPO treatment (50 microg/kg ip) given concurrently with CDDP (1.0 and 1.5 mg/kg twice a week for four weeks) was neuroprotective without influencing the effectiveness of the treatment or tumour growth. EPO thus appears to be an effective neuroprotectant that does not interfere with tumour treatment.
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Affiliation(s)
- Roberto Bianchi
- Mario Negri Institute of Pharmacological Research, Milan, Italy
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Leonelli E, Bianchi R, Cavaletti G, Caruso D, Crippa D, Garcia-Segura LM, Lauria G, Magnaghi V, Roglio I, Melcangi RC. Progesterone and its derivatives are neuroprotective agents in experimental diabetic neuropathy: a multimodal analysis. Neuroscience 2006; 144:1293-304. [PMID: 17187935 DOI: 10.1016/j.neuroscience.2006.11.014] [Citation(s) in RCA: 143] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2006] [Revised: 11/07/2006] [Accepted: 11/08/2006] [Indexed: 12/15/2022]
Abstract
One important complication of diabetes is damage to the peripheral nervous system. However, in spite of the number of studies on human and experimental diabetic neuropathy, the current therapeutic arsenal is meagre. Consequently, the search for substances to protect the nervous system from the degenerative effects of diabetes has high priority in biomedical research. Neuroactive steroids might be interesting since they have been recently identified as promising neuroprotective agents in several models of neurodegeneration. We have assessed whether chronic treatment with progesterone (P), dihydroprogesterone (DHP) or tetrahydroprogesterone (THP) had neuroprotective effects against streptozotocin (STZ)-induced diabetic neuropathy at the neurophysiological, functional, biochemical and neuropathological levels. Using gas chromatography coupled to mass-spectrometry, we found that three months of diabetes markedly lowered P plasma levels in male rats, and chronic treatment with P restored them, with protective effects on peripheral nerves. In the model of STZ-induced of diabetic neuropathy, chronic treatment for 1 month with P, or with its derivatives, DHP and THP, counteracted the impairment of nerve conduction velocity (NCV) and thermal threshold, restored skin innervation density, and improved Na(+),K(+)-ATPase activity and mRNA levels of myelin proteins, such as glycoprotein zero and peripheral myelin protein 22, suggesting that these neuroactive steroids, might be useful protective agents in diabetic neuropathy. Interestingly, different receptors seem to be involved in these effects. Thus, while the expression of myelin proteins and Na(+),K(+)-ATPase activity are only stimulated by P and DHP (i.e. two neuroactive steroids interacting with P receptor, PR), NCV, thermal nociceptive threshold and intra-epidermal nerve fiber (IENF) density are also affected by THP, which interacts with GABA-A receptor. Because, a therapeutic approach with specific synthetic receptor ligands could avoid the typical side effects of steroids, future experiments will be devoted to evaluating the role of PR and GABA-A receptor in these protective effects.
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Affiliation(s)
- E Leonelli
- Department of Endocrinology and Center of Excellence on Neurodegenerative Diseases, University of Milan, Via Balzaretti 9, 20133 Milano, Italy
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Bianchi R, Brines M, Lauria G, Savino C, Gilardini A, Nicolini G, Rodriguez-Menendez V, Oggioni N, Canta A, Penza P, Lombardi R, Minoia C, Ronchi A, Cerami A, Ghezzi P, Cavaletti G. Protective effect of erythropoietin and its carbamylated derivative in experimental Cisplatin peripheral neurotoxicity. Clin Cancer Res 2006; 12:2607-12. [PMID: 16638873 DOI: 10.1158/1078-0432.ccr-05-2177] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Antineoplastic drugs, such as cisplatin (CDDP), are severely neurotoxic, causing disabling peripheral neuropathies with clinical signs known as chemotherapy-induced peripheral neurotoxicity. Cotreatment with neuroprotective agents and CDDP has been proposed for preventing or reversing the neuropathy. Erythropoietin given systemically has a wide range of neuroprotective actions in animal models of central and peripheral nervous system damage. However, the erythropoietic action is a potential cause of side effects if erythropoietin is used for neuroprotection. We have successfully identified derivatives of erythropoietin, including carbamylated erythropoietin, which do not raise the hematocrit but retain the neuroprotective action exerted by erythropoietin. EXPERIMENTAL DESIGN We have developed previously an experimental chemotherapy-induced peripheral neurotoxicity that closely resembles CDDP neurotoxicity in humans. The present study compared the effects of erythropoietin and carbamylated erythropoietin (50 microg/kg/d thrice weekly) on CDDP (2 mg/kg/d i.p. twice weekly for 4 weeks) neurotoxicity in vivo. RESULTS CDDP given to Wistar rats significantly lowered their growth rate (P < 0.05), with slower sensory nerve conduction velocity (P < 0.001) and reduced intraepidermal nerve fibers density (P < 0.001 versus controls). Coadministration of CDDP and erythropoietin or carbamylated erythropoietin partially but significantly prevented the sensory nerve conduction velocity reduction. Both molecules preserved intraepidermal nerve fiber density, thus confirming their neuroprotective effect at the pathologic level. The protective effects were not associated with any difference in platinum concentration in dorsal root ganglia, sciatic nerve, or kidney specimens. CONCLUSIONS These results widen the spectrum of possible use of erythropoietin and carbamylated erythropoietin as neuroprotectant drugs, strongly supporting their effectiveness.
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Affiliation(s)
- Roberto Bianchi
- Mario Negri Institute for Pharmacological Research, Milan, Italy.
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Uchino H, Matsumura Y, Negishi T, Koizumi F, Hayashi T, Honda T, Nishiyama N, Kataoka K, Naito S, Kakizoe T. Cisplatin-incorporating polymeric micelles (NC-6004) can reduce nephrotoxicity and neurotoxicity of cisplatin in rats. Br J Cancer 2005; 93:678-87. [PMID: 16222314 PMCID: PMC2361620 DOI: 10.1038/sj.bjc.6602772] [Citation(s) in RCA: 351] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
In spite of the clinical usefulness of cisplatin (CDDP), there are many occasions in which it is difficult to continue the administration of CDDP due to its nephrotoxicity and neurotoxicity. We examined the incorporation of CDDP into polymeric micelles to see if this allowed the resolution of these disadvantages. Cisplatin was incorporated into polymeric micelles through the polymer-metal complex formation between polyethylene glycol poly(glutamic acid) block copolymers and CDDP (NC-6004). The pharmacokinetics, pharmacodynamics, and toxicity studies of CDDP and NC-6004 were conducted in rats or mice. The particle size of NC-6004 was approximately 30 nm, with a narrow size distribution. In rats, the area under the curve and total body clearance values for NC-6004 were 65-fold and one-nineteenth the values for CDDP (P<0.001 and 0.01, respectively). In MKN-45-implanted mice, NC-6004 tended to show antitumour activity, which was comparable to or greater than that of CDDP. Histopathological and biochemical studies revealed that NC-6004 significantly inhibited the nephrotoxicity of CDDP. On the other hand, blood biochemistry revealed transient hepatotoxicity on day 7 after the administration of NC-6004. Furthermore, rats given CDDP showed a significant delay (P<0.05) in sensory nerve conduction velocity in their hind paws as compared with rats given NC-6004. Electron microscopy in rats given CDDP indicated the degeneration of the sciatic nerve, but these findings were not seen in rats given NC-6004. These results were presumably attributable to the significantly reduced accumulation of platinum in nerve tissue when NC-6004 was administered (P<0.05). NC-6004 preserved the antitumour activity of CDDP and reduced its nephrotoxicity and neurotoxicity, which would therefore seem to suggest that NC-6004 could allow the long-term administration of CDDP where caution against hepatic dysfunction must be exercised.
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Affiliation(s)
- H Uchino
- Investigative Treatment Division, National Cancer Center Research Institute East, 6-5-1 Kashiwanoha, Kashiwa, Chiba 277-8577, Japan
| | - Y Matsumura
- Investigative Treatment Division, National Cancer Center Research Institute East, 6-5-1 Kashiwanoha, Kashiwa, Chiba 277-8577, Japan
- Investigative Treatment Division, National Cancer Center Research Institute East, 6-5-1 Kashiwanoha, Kashiwa, Chiba 277-8577, Japan. E-mail:
| | - T Negishi
- Investigative Treatment Division, National Cancer Center Research Institute East, 6-5-1 Kashiwanoha, Kashiwa, Chiba 277-8577, Japan
| | - F Koizumi
- Investigative Treatment Division, National Cancer Center Research Institute East, 6-5-1 Kashiwanoha, Kashiwa, Chiba 277-8577, Japan
| | - T Hayashi
- NanoCarrier Co., Ltd, 5-4-19 Kashiwanoha, Kashiwa, Chiba 277-0882, Japan
| | - T Honda
- Department of Anatomy and Histology, Fukushima Medical University School of Medicine, 1-Hikariga-oka, Fukushima, Fukushima 960-1247, Japan
| | - N Nishiyama
- Department of Materials Science and Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - K Kataoka
- Department of Materials Science and Engineering, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - S Naito
- Department of Urology, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, Fukuoka 812-8582, Japan
| | - T Kakizoe
- National Cancer Center, 5-1-1 Tsukiji, Chuo-ku, Tokyo 104-0045, Japan
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Lauria G, Lombardi R, Borgna M, Penza P, Bianchi R, Savino C, Canta A, Nicolini G, Marmiroli P, Cavaletti G. Intraepidermal nerve fiber density in rat foot pad: neuropathologic-neurophysiologic correlation. J Peripher Nerv Syst 2005; 10:202-8. [PMID: 15958131 DOI: 10.1111/j.1085-9489.2005.0010210.x] [Citation(s) in RCA: 120] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Quantification of cutaneous innervation in rat footpad is a useful tool to investigate sensory small-diameter nerve fibers, which are affected early in peripheral neuropathies. The aim of this work was to provide normative reference data on the density of intraepidermal nerve fibers (IENFs) and Langerhans cells in the hindpaw footpad of Sprague-Dawley and Wistar rats. We also evaluated the sensibility of IENF density by comparing neuropathologic findings with neurophysiologic examination and the presence of peripheral neuropathy in two well-characterized animal models of neuropathy. IENF density was quantified in 22 Sprague-Dawley rats and 13 Wistar rats and compared with 19 age-matched Sprague-Dawley rats with streptozotocin-induced diabetic neuropathy and 30 age-matched Wistar rats with cisplatin- or paclitaxel-induced neuropathy. Antidromic tail sensory nerve conduction velocity (SNCV) was assessed in all animals. IENF and Langerhans cell densities were constant in healthy Sprague-Dawley rats at any age, and they were similar to those observed in healthy Wistar rats. In neuropathic rats, both SNCV and IENF density were significantly reduced with respect to controls. Quantification of IENF density was significantly correlated with changes in conduction velocity. Diabetic neuropathy rats alone showed a significantly higher density of Langerhans cells compared with controls. Our study demonstrated that IENF density quantification correlates with SNCV changes and suggests that this might represent a useful outcome measurement in experimental neuropathies.
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Affiliation(s)
- Giuseppe Lauria
- Immunology and Muscular Pathology Unit, National Neurological Institute Carlo Besta, Via Celoria 11, 20133 Milan, Italy.
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Kurokawa K, de Almeida DF, Zhang Y, Hébert CD, Page JG, Schweikart KM, Oh SJ. Sensory nerve conduction of the plantar nerve compared with other nerve conduction tests in rats. Clin Neurophysiol 2004; 115:1677-82. [PMID: 15203069 DOI: 10.1016/j.clinph.2004.02.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/05/2004] [Indexed: 11/24/2022]
Abstract
OBJECTIVE In rats the available techniques for evaluation of sensory nerve conduction are limited. We report a new method of sensory nerve conduction of the plantar nerve using needle electrodes as the recording electrodes behind the medial malleolus and ring electrodes as the stimulating electrodes around the three middle toes. METHODS We performed this sensory nerve conduction test in 25 rats during their growth over a 6 weeks' period and compared this method with the motor nerve conduction and H-reflex sensory nerve conduction of the tibial nerve in 10 rats, and with the motor and mixed nerve conductions of the tail nerve in 15 rats. RESULTS There was a highly or moderately significant correlation between the body weight and sensory nerve conduction velocity (NCV) of the plantar nerve, mixed NCV and motor NCV of the tail nerve, indicating a growth-related increase in the NCV. The growth-related increase in the NCV was not observed in the motor and H-reflex sensory nerve conductions of the tibial nerves. CONCLUSIONS This test is simple and reliable and can be used for the sensory nerve conduction test in rats.
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Affiliation(s)
- Katsumi Kurokawa
- Department of Neurology, University of Alabama at Birmingham, UAB Station, Birmingham, AL 35294, USA
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35
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Donzelli E, Carfì M, Miloso M, Strada A, Galbiati S, Bayssas M, Griffon-Etienne G, Cavaletti G, Petruccioli MG, Tredici G. Neurotoxicity of platinum compounds: comparison of the effects of cisplatin and oxaliplatin on the human neuroblastoma cell line SH-SY5Y. J Neurooncol 2004; 67:65-73. [PMID: 15072449 DOI: 10.1023/b:neon.0000021787.70029.ce] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The main dose-limiting side effect of cancer treatment with platinum compounds is peripheral neurotoxicity. To investigate the intracellular mechanisms of platinum drugs neurotoxicity we have studied the effects of cisplatin and oxaliplatin on the human neuroblastoma cell line SH-SY5Y. Both platinum compounds are toxic causing cellular death by inducing apoptosis but oxaliplatin is less neurotoxic than cisplatin. The study of the proteins involved in the intracellular transduction pathways that may cause apoptotic death, revealed a very similar pattern of changes after exposure to cisplatin or oxaliplatin. In particular, as demonstrated by densitometric analysis, after exposure to both platinum compounds the total amount of the anti-apoptotic protein Bcl-2 was significantly reduced. Conversely, the amount of the pro-apoptotic protein p53 significantly increased. Caspases 3 and 7 were activated, but their activation was a late event, indicating a secondary role in the apoptotic process. Among the mitogen activated protein kinases, only the p38 protein was activated (phosphorylated) early enough to have a possible role in inducing apoptosis, possibly through p53 stabilization. The results of the present study and the data of the literature demonstrate that the ways in which cisplatin and oxaliplatin are neurotoxic are very similar and include not only DNA damage, but also the modulation of specific molecules involved in regulating the cellular equilibrium between apoptotic death and the cell cycle.
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Affiliation(s)
- Elisabetta Donzelli
- Dipartimento di Neuroscienze e Tecnologie Biomediche, Università degli Studi di Milano-Bicocca, Monza, Italy
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36
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Oztürk G, Anlar O, Erdoğan E, Kösem M, Ozbek H, Türker A. The effect of Ginkgo extract EGb761 in cisplatin-induced peripheral neuropathy in mice. Toxicol Appl Pharmacol 2004; 196:169-75. [PMID: 15050418 DOI: 10.1016/j.taap.2003.12.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2003] [Accepted: 12/12/2003] [Indexed: 11/23/2022]
Abstract
Neuroprotective effect of Ginkgo biloba extract EGb761 in cisplatin (cis-diamminedi-chloroplatinum, or CDDP)-induced peripheral neuropathy was investigated. Swiss albino mice were treated with CDDP, 2 mg/kg ip twice a week for nine times. One group of the animals also received EGb761 in the drinking water at an estimated dosage of 100 mg/kg per day. Two other groups received vehicle (control) or EGb761 only. Development of neuropathy was evaluated with changes in sensory nerve conduction velocity (NCV). Following the treatments, dorsal root ganglia (DRGs) were microscopically examined and some were cultured for 3 days. EGb761 proved effective in preventing the reduction in NCV (P < 0.0001) caused by CDDP. CDDP caused a decrease in the number of migrating cells (P < 0.01) and in the length of outgrowing axons (P < 0.01) while EGb761 treatment prevented the latter. CDDP led to smaller nuclear and somatic sizes in neurons (P < 0.01), while with EGb761 co-administration, both were close to control values. Animals having EGb761 only had similar results with controls. In conclusion, EGb761 was found to be effective in preventing some functional and morphological deteriorations in CDDP-induced peripheral neuropathy.
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Affiliation(s)
- Gürkan Oztürk
- Department of Physiology, Neuroscience Research Unit, Medical School, Yüzüncü Yil University, Van, Turkey.
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37
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Bianchi R, Buyukakilli B, Brines M, Savino C, Cavaletti G, Oggioni N, Lauria G, Borgna M, Lombardi R, Cimen B, Comelekoglu U, Kanik A, Tataroglu C, Cerami A, Ghezzi P. Erythropoietin both protects from and reverses experimental diabetic neuropathy. Proc Natl Acad Sci U S A 2004; 101:823-8. [PMID: 14718663 PMCID: PMC321765 DOI: 10.1073/pnas.0307823100] [Citation(s) in RCA: 204] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Erythropoietin (EPO) possesses generalized neuroprotective and neurotrophic actions. We tested the efficacy of recombinant human EPO (rhEPO) in preventing and reversing nerve dysfunction in streptozotocin (STZ)-induced diabetes in rats. Two days after STZ [60 mg/kg of body weight (b.w.), i.p.], diabetic animals were administered rhEPO (40 microg/kg of b.w.) three times weekly for 5 weeks either immediately (preventive) before or after a 5-week delay (therapeutic) after induction of hyperglycemia or at a lower dose (8 microg/kg of b.w. once per week) for 8 weeks (prolonged). Tail-nerve conduction velocities (NCV) was assessed at 5 and 11 weeks for the preventive and therapeutic schedule, respectively. Compared to nondiabetic rats, NCV was 20% lower after 5 weeks in the STZ group, and this decrease was attenuated 50% by rhEPO. Furthermore, the reduction of Na(+),K(+)-ATPase activity of diabetic nerves (by 55%) was limited to 24% in the rhEPO-treated group. In the therapeutic schedule, NCV was reduced by 50% after 11 weeks but by only 23% in the rhEPO-treated group. rhEPO treatment attenuated the decrease in compound muscle action potential in diabetic rats. In addition, rhEPO treatment was associated with a preservation of footpad cutaneous innervation, as assessed by protein gene product 9.5 immunostaining. Diabetic rats developed alterations in mechanical and thermal nociception, which were partially reversed by rhEPO given either in a preventative or therapeutic manner. These observations suggest that administration of rhEPO or its analogues may be useful in the treatment of diabetic neuropathy.
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Affiliation(s)
- Roberto Bianchi
- Mario Negri Institute of Pharmacological Research, 20157 Milan, Italy.
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38
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Polomano RC, Mannes AJ, Clark US, Bennett GJ. A painful peripheral neuropathy in the rat produced by the chemotherapeutic drug, paclitaxel. Pain 2001; 94:293-304. [PMID: 11731066 DOI: 10.1016/s0304-3959(01)00363-3] [Citation(s) in RCA: 335] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Paclitaxel, an effective anti-neoplastic agent in the treatment of solid tumors, produces a dose-limiting painful peripheral neuropathy in a clinically significant number of cancer patients. Prior work has demonstrated paclitaxel-induced neurodegeneration and sensory loss in laboratory rodents. We describe here an experimental paclitaxel-induced painful peripheral neuropathy. Adult male rats were given four intraperitoneal injections on alternate days of vehicle or 0.5, 1.0, or 2.0 mg/kg of paclitaxel (Taxol). Behavioral tests for pain using mechanical and thermal stimuli applied to the tail and hind paws, and tests for motor performance, were taken before, during and after dosing for 22-35 days. All three doses of paclitaxel caused heat-hyperalgesia, mechano-allodynia, mechano-hyperalgesia, and cold-allodynia, but had no effect on motor performance. Neuropathic pain began within days and lasted for several weeks. We did not detect any dose-response relationship. Tests at the distal, mid, and proximal tail failed to show evidence of a length-dependent neuropathy. Vehicle control injections had no effect on any measure. No significant systemic toxicities were noted in the paclitaxel-treated animals. Light-microscopic inspection of the sciatic nerve (mid-thigh level), L4-L5 dorsal root ganglia, and dorsal and ventral roots, and the gray and white matter of the L4-L5 spinal cord, showed no structural abnormalities. Electron microscopic examination of the sciatic nerve (mid-thigh level) and the L4-L5 dorsal root ganglia and dorsal horns demonstrated no degeneration of myelinated and unmyelinated axons in the sciatic nerve and roots, but revealed endoneurial edema. This model may be useful in understanding a significant source of pain in cancer patients, and in finding ways to avoid the neurotoxicity that limits paclitaxel therapy.
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Affiliation(s)
- Rosemary C Polomano
- Departments of Anesthesiology and Neuroscience & Anatomy, Milton S. Hershey Medical Center, The Pennsylvania State University College of Medicine, Hershey, PA 17033, USA Department of Anesthesiology, University of Pennsylvania, Philadelphia, PA 19104, USA Department of Neurology, MCP Hahnemann University, Philadelphia, PA 19102, USA
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Cavaletti G, Tredici G, Petruccioli MG, Dondè E, Tredici P, Marmiroli P, Minoia C, Ronchi A, Bayssas M, Etienne GG. Effects of different schedules of oxaliplatin treatment on the peripheral nervous system of the rat. Eur J Cancer 2001; 37:2457-63. [PMID: 11720843 DOI: 10.1016/s0959-8049(01)00300-8] [Citation(s) in RCA: 210] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The aim of this study was to determine the influence of oxaliplatin scheduling on the onset of peripheral neurotoxicity and ototoxicity in a rat model. Animals were treated with four different schedules of oxaliplatin using two cumulative doses (36 and 48 mg/kg intraperitoneally (i.p.)). The neuropathological examination evidenced dorsal root ganglia (DRG) nucleolar, nuclear and somatic size reduction with nucleolar segregation in the treated rats. Sensory nerve conduction velocity (SNCV) was reduced after oxaliplatin treatment, while the auditory pathway was unaffected. After treatment, platinum was detected in the kidney, DRG and sciatic nerve. After a 5-week follow-up period, recovery of the pathological changes in the DRG and sciatic nerves occurred, although platinum was still detectable in these tissues. The following conclusions may be drawn: the main targets of oxaliplatin neurotoxicity were the DRG; the shorter the interval between the injections, the higher the severity of peripheral neuropathy and this was also related to the cumulative oxaliplatin dose; the peripheral neurotoxicity tended to be reversible; ototoxicity was absent even with high cumulative doses of oxaliplatin.
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Affiliation(s)
- G Cavaletti
- Clinica Neurologica, A.O.S. Gerardo, Monza, Italy.
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40
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Cavaletti G, Oggioni N, Sala F, Pezzoni G, Cavalletti E, Marmiroli P, Petruccioli MG, Frattola L, Tredici G. Effect on the peripheral nervous system of systemically administered dimethylsulfoxide in the rat: a neurophysiological and pathological study. Toxicol Lett 2000; 118:103-7. [PMID: 11137315 DOI: 10.1016/s0378-4274(00)00269-1] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The issue of dimethylsulfoxide (DMSO) neurotoxicity is an important one, given its wide use in experimental toxicology as a solvent for hydrophobic substances. We examined the effect of the intraperitoneal administration of different DMSO solutions (1.8-7. 2%) on the peripheral nervous system of Wistar rats treated for 10 consecutive days and followed-up for an additional 45 days. DMSO administration induced a dose-dependent reduction in nerve conduction velocity, with complete recovery occurring in the follow-up. No structural changes were found in the sciatic nerve at 1.8% and 3.6% DMSO concentrations, suggesting that the mechanism of action of DMSO involves a functional impairment (i.e. conduction block) similar to that already described for this substance in isolated systems. However, when DMSO was administered at the 7.2% concentration, evident structural changes were observed in the sciatic nerve, with myelin disruption and uncompacted myelin lamelle. The neurophysiological and pathological changes observed in our study are severe enough to merit careful consideration in the course of experimental studies involving DMSO as a solvent for drugs which are under evaluation for their potential neurotoxicity.
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Affiliation(s)
- G Cavaletti
- Clinica Neurologica, Università di Milano Bicocca, Ospedale S. Gerardo, v. Donizetti 106, 20052 Monza, Italy.
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Abstract
Peripheral neurotoxicity is a dose-limiting side-effect for a number of effective chemotherapeutic agents, including platinum compounds, taxanes, and vinca alkaloids. New experimental chemotherapy drugs that cause neuropathy include suramin and Dolostatin-10. A better understanding of cellular mechanisms will lead to novel treatment strategies that will protect neurons without decreasing therapeutic efficacy.
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Tredici G, Braga M, Nicolini G, Miloso M, Marmiroli P, Schenone A, Nobbio L, Frattola L, Cavaletti G. Effect of recombinant human nerve growth factor on cisplatin neurotoxicity in rats. Exp Neurol 1999; 159:551-8. [PMID: 10506527 DOI: 10.1006/exnr.1999.7174] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In this study we evaluated the effect of recombinant human nerve growth factor (rhNGF) on cisplatin (CDDP)-induced sensory neuronopathy in an experimental paradigm in the rat. Young adult female Wistar rats were treated with CDDP (2 mg/kg ip twice weekly for nine times) alone or in combination with rhNGF (1 mg/kg sc on alternate days). The effect of CDDP +/- NGF treatment was evaluated with behavioral (tail-flick test) and neurophysiological (nerve conduction velocity in the tail) methods immediately after treatment and after a follow-up period of 6 weeks. Pathological and morphometrical examinations of the dorsal root ganglia (DRG) and sciatic and saphenous nerves were also performed. rhNGF treatment induced a significant reduction in the CDDP-induced decrease in nerve conduction velocity (P < 0.05), and this was associated with a significant protection against the decrease in somatic (P < 0.05), nuclear (P < 0.05), and nucleolar size (P < 0.01) caused by CDDP treatment. However, for each of the parameters examined the neuroprotection obtained with rhNGF treatment was not complete. At the follow-up examination no differences between the three groups were observed in tail-flick test and nerve conduction velocity. We conclude that rhNGF, administered according to the schedule used in this experiment, exerts a biologically significant neuroprotective effect against CDDP peripheral neurotoxicity.
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Affiliation(s)
- G Tredici
- L.I.T.A., Università di Milano, Segrate, Italy
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