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Abstract
More than 20% of adults worldwide experience different types of chronic pain, which are frequently associated with several comorbidities and a decrease in quality of life. Several approved painkillers are available, but current analgesics are often hampered by insufficient efficacy and/or severe adverse effects. Consequently, novel strategies for safe, highly efficacious treatments are highly desirable, particularly for chronic pain. Epigenetic mechanisms such as DNA methylation, histone modifications and microRNAs (miRNAs) strongly affect the regulation of gene expression, potentially for long periods over years or even generations, and have been associated with pathophysiological pain. Several studies, mostly in animals, revealed that inhibitors of DNA methylation, activators and inhibitors of histone modification and modulators of miRNAs reverse a number of pathological changes in the pain epigenome, which are associated with altered expression of pain-relevant genes. This epigenetic modulation might then reduce the nociceptive response and provide novel therapeutic options for analgesic therapy of chronic pain states. However, a number of challenges, such as nonspecific effects and poor delivery to target cells and tissues, hinder the rapid development of such analgesics. In this Review, we critically summarize data on epigenetics and pain, focusing on challenges in clinical development as well as possible new approaches to the drug modulation of the pain epigenome.
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Affiliation(s)
- Ellen Niederberger
- Pharmazentrum Frankfurt, Zentrum für Arzneimittelforschung Entwicklung und Sicherheit (ZAFES), Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany
| | - Eduard Resch
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Project Group for Translational Medicine &Pharmacology, Theodor Stern Kai 7, 60596 Frankfurt am Main, Germany
| | - Michael J Parnham
- Fraunhofer Institute for Molecular Biology and Applied Ecology, Project Group for Translational Medicine &Pharmacology, Theodor Stern Kai 7, 60596 Frankfurt am Main, Germany
| | - Gerd Geisslinger
- Pharmazentrum Frankfurt, Zentrum für Arzneimittelforschung Entwicklung und Sicherheit (ZAFES), Institut für Klinische Pharmakologie, Klinikum der Goethe-Universität Frankfurt, Theodor Stern Kai 7, 60590 Frankfurt am Main, Germany.,Fraunhofer Institute for Molecular Biology and Applied Ecology, Project Group for Translational Medicine &Pharmacology, Theodor Stern Kai 7, 60596 Frankfurt am Main, Germany
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202
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Hohmann SW, Angioni C, Tunaru S, Lee S, Woolf CJ, Offermanns S, Geisslinger G, Scholich K, Sisignano M. The G2A receptor (GPR132) contributes to oxaliplatin-induced mechanical pain hypersensitivity. Sci Rep 2017; 7:446. [PMID: 28348394 PMCID: PMC5428564 DOI: 10.1038/s41598-017-00591-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2017] [Accepted: 03/03/2017] [Indexed: 12/18/2022] Open
Abstract
Chemotherapy-induced peripheral neuropathic pain (CIPN) is a common and severe debilitating side effect of many widely used cytostatics. However, there is no approved pharmacological treatment for CIPN available. Among other substances, oxaliplatin causes CIPN in up to 80% of treated patients. Here, we report the involvement of the G-protein coupled receptor G2A (GPR132) in oxaliplatin-induced neuropathic pain in mice. We found that mice deficient in the G2A-receptor show decreased mechanical hypersensitivity after oxaliplatin treatment. Lipid ligands of G2A were found in increased concentrations in the sciatic nerve and dorsal root ganglia of oxaliplatin treated mice. Calcium imaging and patch-clamp experiments show that G2A activation sensitizes the ligand-gated ion channel TRPV1 in sensory neurons via activation of PKC. Based on these findings, we conclude that targeting G2A may be a promising approach to reduce oxaliplatin-induced TRPV1-sensitization and the hyperexcitability of sensory neurons and thereby to reduce pain in patients treated with this chemotherapeutic agent.
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Affiliation(s)
- Stephan W Hohmann
- Institute of Clinical Pharmacology, pharmazentrum frankfurt/ZAFES, University Hospital, Goethe-University, D-60590, Frankfurt am Main, Germany
| | - Carlo Angioni
- Institute of Clinical Pharmacology, pharmazentrum frankfurt/ZAFES, University Hospital, Goethe-University, D-60590, Frankfurt am Main, Germany
| | - Sorin Tunaru
- Department of Pharmacology, Max-Planck-Institute for Heart and Lung Research, 61231, Bad Nauheim, Germany
| | - Seungkyu Lee
- F. M. Kirby Neurobiology Center, Children's Hospital Boston, and Department of Neurobiology, Harvard Medical School, Boston, MA, 02115, USA
| | - Clifford J Woolf
- F. M. Kirby Neurobiology Center, Children's Hospital Boston, and Department of Neurobiology, Harvard Medical School, Boston, MA, 02115, USA
| | - Stefan Offermanns
- Department of Pharmacology, Max-Planck-Institute for Heart and Lung Research, 61231, Bad Nauheim, Germany
| | - Gerd Geisslinger
- Institute of Clinical Pharmacology, pharmazentrum frankfurt/ZAFES, University Hospital, Goethe-University, D-60590, Frankfurt am Main, Germany.,Fraunhofer Institute for Molecular Biology and Applied Ecology - Project Group Translational Medicine and Pharmacology (IME-TMP), Frankfurt am Main, Germany
| | - Klaus Scholich
- Institute of Clinical Pharmacology, pharmazentrum frankfurt/ZAFES, University Hospital, Goethe-University, D-60590, Frankfurt am Main, Germany
| | - Marco Sisignano
- Institute of Clinical Pharmacology, pharmazentrum frankfurt/ZAFES, University Hospital, Goethe-University, D-60590, Frankfurt am Main, Germany.
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203
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Sánchez-Fernández C, Entrena JM, Baeyens JM, Cobos EJ. Sigma-1 Receptor Antagonists: A New Class of Neuromodulatory Analgesics. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 964:109-132. [PMID: 28315268 DOI: 10.1007/978-3-319-50174-1_9] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The sigma-1 receptor is a unique ligand-operated chaperone present in key areas for pain control, in both the peripheral and central nervous system. Sigma-1 receptors interact with a variety of protein targets to modify their function. These targets include several G-protein-coupled receptors such as the μ-opioid receptor, and ion channels such as the N-methyl-D-aspartate receptor (NMDAR). Sigma-1 antagonists modify the chaperoning activity of sigma-1 receptor by increasing opioid signaling and decreasing NMDAR responses, consequently enhancing opioid antinociception and decreasing the sensory hypersensitivity that characterizes pathological pain conditions. However, the participation in pain relief of other protein partners of sigma-1 receptors in addition to opioid receptors and NMDARs cannot be ruled out. The enhanced opioid antinociception by sigma-1 antagonism is not accompanied by an increase in opioid side effects , including tolerance, dependence or constipation, so the use of sigma-1 antagonists may increase the therapeutic index of opioids. Furthermore, sigma-1 antagonists (in the absence of opioids) have been shown to exert antinociceptive effects in preclinical models of neuropathic pain induced by nerve trauma or chemical injury (the antineoplastic paclitaxel), and more recently in inflammatory and ischemic pain. Although most studies attributed the analgesic properties of sigma-1 antagonists to their central actions, it is now known that peripheral sigma-1 receptors also participate in their effects. Overwhelming preclinical evidence of the role of sigma-1 receptors in pain has led to the development of the first selective sigma-1 antagonist with an intended indication for pain treatment, which is currently in Phase II clinical trials.
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Affiliation(s)
- Cristina Sánchez-Fernández
- Department of Pharmacology, School of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Institute of Neuroscience, Biomedical Research Center, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18100, Armilla, Granada, Spain
| | - José Manuel Entrena
- Institute of Neuroscience, Biomedical Research Center, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18100, Armilla, Granada, Spain
- Animal Behavior Research Unit, Scientific Instrumentation Center, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18100, Armilla, Granada, Spain
| | - José Manuel Baeyens
- Department of Pharmacology, School of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain
- Institute of Neuroscience, Biomedical Research Center, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18100, Armilla, Granada, Spain
| | - Enrique José Cobos
- Department of Pharmacology, School of Medicine, University of Granada, Avenida de la Investigación 11, 18016, Granada, Spain.
- Institute of Neuroscience, Biomedical Research Center, University of Granada, Parque Tecnológico de Ciencias de la Salud, 18100, Armilla, Granada, Spain.
- Teófilo Hernando Institute for Drug Discovery, 28029, Madrid, Spain.
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204
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Potentiation of Paclitaxel-Induced Pain Syndrome in Mice by Angiotensin I Converting Enzyme Inhibition and Involvement of Kinins. Mol Neurobiol 2016; 54:7824-7837. [PMID: 27844290 DOI: 10.1007/s12035-016-0275-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2016] [Accepted: 10/30/2016] [Indexed: 10/20/2022]
Abstract
Paclitaxel is a chemotherapeutic agent used to treat solid tumours. However, it causes an acute and neuropathic pain syndrome that limits its use. Among the mechanisms involved in neuropathic pain caused by paclitaxel is activation of kinin receptors. Angiotensin converting enzyme (ACE) inhibitors can enhance kinin receptor signalling. The goal of this study was to evaluate the role of kinins on paclitaxel-associated acute pain syndromes (P-APS) and the effect of ACE inhibition on P-APS and paclitaxel-associated chronic peripheral neuropathy (P-CPN) in mice. Herein, we show that paclitaxel caused mechanical allodynia and spontaneous nociceptive behaviour that was reduced by antagonists of kinin receptors B1 (DALBk and SSR240612) and B2 (Hoe140 and FR173657). Moreover, enalapril (an ACE inhibitor) enhanced the mechanical allodynia induced by a low dose of paclitaxel. Likewise, paclitaxel injection inhibited ACE activity and increased the expressions of B1 and B2 receptors and bradykinin-related peptides levels in peripheral tissue. Together, our data support the involvement of kinin receptors in the P-APS and suggest kinin receptor antagonists to treat this syndrome. Because hypertension is the most frequent comorbidity affecting cancer patients, treatment of hypertension with ACE inhibitors in patients undergoing paclitaxel chemotherapy should be reviewed, since this could enhance the P-APS and P-CPN.
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205
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206
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Xie JD, Chen SR, Chen H, Zeng WA, Pan HL. Presynaptic N-Methyl-d-aspartate (NMDA) Receptor Activity Is Increased Through Protein Kinase C in Paclitaxel-induced Neuropathic Pain. J Biol Chem 2016; 291:19364-73. [PMID: 27458019 DOI: 10.1074/jbc.m116.732347] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Indexed: 11/06/2022] Open
Abstract
Painful peripheral neuropathy is a severe adverse effect of chemotherapeutic drugs such as paclitaxel (Taxol). The glutamate N-methyl-d-aspartate receptors (NMDARs) are critically involved in the synaptic plasticity associated with neuropathic pain. However, paclitaxel treatment does not alter the postsynaptic NMDAR activity of spinal dorsal horn neurons. In this study, we determined whether paclitaxel affects presynaptic NMDAR activity by recording excitatory postsynaptic currents (EPSCs) of dorsal horn neurons in spinal cord slices. In paclitaxel-treated rats, the baseline frequency of miniature EPSCs (mEPSCs) was significantly increased; the NMDAR antagonist 2-amino-5-phosphonopentanoic acid (AP5) completely normalized this frequency. Also, AP5 significantly reduced the amplitude of monosynaptic EPSCs evoked by dorsal root stimulation and reversed the reduction in the paired-pulse ratio of evoked EPSCs in paclitaxel-treated rats. Blocking GluN2A-containing, but not GluN2B-containing, NMDARs largely decreased the frequency of mEPSCs and the amplitude of evoked EPSCs of dorsal horn neurons in paclitaxel-treated rats. Furthermore, inhibition of protein kinase C fully reversed the increased frequency of mEPSCs and the amplitude of evoked EPSCs in paclitaxel-treated rats. Paclitaxel treatment significantly increased the protein level of GluN2A and phosphorylated GluN1 in the dorsal root ganglion. In addition, intrathecal injection of AP5 or systemic administration of memantine profoundly attenuated pain hypersensitivity induced by paclitaxel. Our findings indicate that paclitaxel treatment induces tonic activation of presynaptic NMDARs in the spinal cord through protein kinase C to potentiate nociceptive input from primary afferent nerves. Targeting presynaptic NMDARs at the spinal cord level may be an effective strategy for treating chemotherapy-induced neuropathic pain.
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Affiliation(s)
- Jing-Dun Xie
- From the Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030 and Department of Anesthesiology, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong 510060, China
| | - Shao-Rui Chen
- From the Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030 and
| | - Hong Chen
- From the Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030 and
| | - Wei-An Zeng
- Department of Anesthesiology, Sun Yat-Sen University Cancer Center, Guangzhou, Guangdong 510060, China
| | - Hui-Lin Pan
- From the Center for Neuroscience and Pain Research, Department of Anesthesiology and Perioperative Medicine, The University of Texas M.D. Anderson Cancer Center, Houston, Texas 77030 and
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207
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Zhu J, Carozzi VA, Reed N, Mi R, Marmiroli P, Cavaletti G, Hoke A. Ethoxyquin provides neuroprotection against cisplatin-induced neurotoxicity. Sci Rep 2016; 6:28861. [PMID: 27350330 PMCID: PMC4924091 DOI: 10.1038/srep28861] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 06/10/2016] [Indexed: 12/13/2022] Open
Abstract
Ethoxyquin was recently identified as a neuroprotective compound against toxic neuropathies and efficacy was demonstrated against paclitaxel-induced neurotoxicity in vivo. In this study we examined the efficacy of ethoxyquin in preventing neurotoxicity of cisplatin in rodent models of chemotherapy-induced peripheral neuropathy and explored its mechanism of action. Ethoxyquin prevented neurotoxicity of cisplatin in vitro in a sensory neuronal cell line and primary rat dorsal root ganglion neurons. In vivo, chronic co-administration of ethoxyquin partially abrogated cisplatin-induced behavioral, electrophysiological and morphological abnormalities. Furthermore, ethoxyquin did not interfere with cisplatin's ability to induce tumor cell death in ovarian cancer cell line in vitro and in vivo. Finally, ethoxyquin reduced the levels of two client proteins (SF3B2 and ataxin-2) of a chaperone protein, heat shock protein 90 (Hsp90) when co-administered with cisplatin in vitro. These results implied that the neuroprotective effect of ethoxyquin is mediated through these two client proteins of Hsp90. In fact, reducing levels of SF3B2 in tissue-cultured neurons was effective against neurotoxicity of cisplatin. These findings suggest that ethoxyquin or other compounds that inhibit chaperone activity of Hsp90 and reduce levels of its client protein, SF3B2 may be developed as an adjuvant therapy to prevent neurotoxicity in cisplatin-based chemotherapy protocols.
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Affiliation(s)
- Jing Zhu
- Departments of Neurology and Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, USA.,Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Valentina Alda Carozzi
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milan-Bicocca, Monza MB, Italy.,Young Against Pain Group, Italy
| | - Nicole Reed
- Departments of Neurology and Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Ruifa Mi
- Departments of Neurology and Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Paola Marmiroli
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milan-Bicocca, Monza MB, Italy
| | - Guido Cavaletti
- Experimental Neurology Unit, School of Medicine and Surgery, University of Milan-Bicocca, Monza MB, Italy
| | - Ahmet Hoke
- Departments of Neurology and Neuroscience, Johns Hopkins School of Medicine, Baltimore, MD, USA
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208
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Xu J, Wang W, Zhong XX, Feng YW, Wei XH, Liu XG. EXPRESS: Methylcobalamin ameliorates neuropathic pain induced by vincristine in rats: Effect on loss of peripheral nerve fibers and imbalance of cytokines in the spinal dorsal horn. Mol Pain 2016; 12:12/0/1744806916657089. [PMID: 27306413 PMCID: PMC4956006 DOI: 10.1177/1744806916657089] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background Vincristine, a widely used chemotherapeutic agent, often induces painful peripheral neuropathy and there are currently no effective drugs to prevent or treat this side effect. Previous studies have shown that methylcobalamin has potential analgesic effect in diabetic and chronic compression of dorsal root ganglion model; however, whether methylcobalamin has effect on vincristine-induced painful peripheral neuropathy is still unknown. Results We found that vincristine-induced mechanical allodynia and thermal hyperalgesia, accompanied by a significant loss of intraepidermal nerve fibers in the plantar hind paw skin and an increase in the incidence of atypical mitochondria in the sciatic nerve. Moreover, in the spinal dorsal horn, the activity of nicotinamide adenine dinucleotide phosphate (NADPH) oxidase and the protein expression of p-p65 as well as tumor necrosis factor α was increased, whereas the protein expression of IL-10 was decreased following vincristine treatment. Furthermore, intraperitoneal injection of methylcobalamin could dose dependently attenuate vincristine-induced mechanical allodynia and thermal hyperalgesia, which was associated with intraepidermal nerve fibers rescue, and atypical mitochondria prevalence decrease in the sciatic nerve. Moreover, methylcobalamin inhibited the activation of NADPH oxidase and the downstream NF-κB pathway. Production of tumor necrosis factor α was also decreased and production of IL-10 was increased in the spinal dorsal horn following methylcobalamin treatment. Intrathecal injection of Phorbol-12-Myristate-13-Acetate, a NADPH oxidase activator, could completely block the analgesic effect of methylcobalamin. Conclusions Methylcobalamin attenuated vincrinstine-induced neuropathic pain, which was accompanied by inhibition of intraepidermal nerve fibers loss and mitochondria impairment. Inhibiting the activation of NADPH oxidase and the downstream NF-κB pathway, resulting in the rebalancing of proinflammatory and anti-inflammatory cytokines in the spinal dorsal horn might also be involved. These findings might provide potential target for preventing vincristine-induced neuropathic pain.
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Affiliation(s)
- Jing Xu
- Department of Physiology, Pain Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Wei Wang
- Department of Physiology, Pain Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xiong-Xiong Zhong
- Department of Physiology, Pain Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Yi-Wei Feng
- Department of Physiology, Pain Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xu-Hong Wei
- Department of Physiology, Pain Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Brain Function and Disease, Guangzhou, China
- Xu-Hong Wei, Zhongshan School of Medicine of Sun Yat-sen University, Guangzhou, China. Xian-Guo Liu, Zhongshan School of Medicine of Sun Yat-sen University, Guangzhou, China.
| | - Xian-Guo Liu
- Department of Physiology, Pain Research Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Brain Function and Disease, Guangzhou, China
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209
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Yeo JH, Yoon SY, Kim SJ, Oh SB, Lee JH, Beitz AJ, Roh DH. Clonidine, an alpha-2 adrenoceptor agonist relieves mechanical allodynia in oxaliplatin-induced neuropathic mice; potentiation by spinal p38 MAPK inhibition without motor dysfunction and hypotension. Int J Cancer 2016; 138:2466-76. [PMID: 26704560 DOI: 10.1002/ijc.29980] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 11/26/2015] [Accepted: 12/14/2015] [Indexed: 01/18/2023]
Abstract
Cancer chemotherapy with platinum-based antineoplastic agents including oxaliplatin frequently results in a debilitating and painful peripheral neuropathy. We evaluated the antinociceptive effects of the alpha-2 adrenoceptor agonist, clonidine on oxaliplatin-induced neuropathic pain. Specifically, we determined if (i) the intraperitoneal (i.p.) injection of clonidine reduces mechanical allodynia in mice with an oxaliplatin-induced neuropathy and (ii) concurrent inhibition of p38 mitogen-activated protein kinase (MAPK) activity by the p38 MAPK inhibitor SB203580 enhances clonidine's antiallodynic effect. Clonidine (0.01-0.1 mg kg(-1), i.p.), with or without SB203580(1-10 nmol, intrathecal) was administered two weeks after oxaliplatin injection(10 mg kg(-1), i.p.) to mice. Mechanical withdrawal threshold, motor coordination and blood pressure were measured. Postmortem expression of p38 MAPK and ERK as well as their phosphorylated forms(p-p38 and p-ERK) were quantified 30 min or 4 hr after drug injection in the spinal cord dorsal horn of treated and control mice. Clonidine dose-dependently reduced oxaliplatin-induced mechanical allodynia and spinal p-p38 MAPK expression, but not p-ERK. At 0.1 mg kg(-1), clonidine also impaired motor coordination and decreased blood pressure. A 10 nmol dose of SB203580 alone significantly reduced mechanical allodynia and p-p38 MAPK expression, while a subeffective dose(3 nmol) potentiated the antiallodynic effect of 0.03 mg kg(-1) clonidine and reduced the increased p-p38 MAPK. Coadministration of SB203580 and 0.03 mg kg(-1) clonidine decreased allodynia similar to that of 0.10 mg kg(-1) clonidine, but without significant motor or vascular effects. These findings demonstrate that clonidine treatment reduces oxaliplatin-induced mechanical allodynia. The concurrent administration of SB203580 reduces the dosage requirements for clonidine, thereby alleviating allodynia without producing undesirable motor or cardiovascular effects.
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Affiliation(s)
- Ji-Hee Yeo
- Department of Oral Physiology and Research Center for Tooth and Periodontal Tissue Regeneration, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Seo-Yeon Yoon
- Pain Cognitive Function Research Center, Department of Brain and Cognitive Sciences College of Natural Sciences, Seoul National University, Seoul, Republic of Korea.,Department of Neurobiology and Physiology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Sol-Ji Kim
- Department of Oral Physiology and Research Center for Tooth and Periodontal Tissue Regeneration, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Seog-Bae Oh
- Pain Cognitive Function Research Center, Department of Brain and Cognitive Sciences College of Natural Sciences, Seoul National University, Seoul, Republic of Korea.,Department of Neurobiology and Physiology, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Jang-Hern Lee
- Department of Veterinary Physiology, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Alvin J Beitz
- Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, MN
| | - Dae-Hyun Roh
- Department of Oral Physiology and Research Center for Tooth and Periodontal Tissue Regeneration, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
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210
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Chen EI, Crew KD, Trivedi M, Awad D, Maurer M, Kalinsky K, Koller A, Patel P, Kim Kim J, Hershman DL. Identifying Predictors of Taxane-Induced Peripheral Neuropathy Using Mass Spectrometry-Based Proteomics Technology. PLoS One 2015; 10:e0145816. [PMID: 26710119 PMCID: PMC4692419 DOI: 10.1371/journal.pone.0145816] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Accepted: 12/09/2015] [Indexed: 11/19/2022] Open
Abstract
Major advances in early detection and therapy have significantly increased the survival of breast cancer patients. Unfortunately, most cancer therapies are known to carry a substantial risk of adverse long-term treatment-related effects. Little is known about patient susceptibility to severe side effects after chemotherapy. Chemotherapy-induced peripheral neuropathy (CIPN) is a common side effect of taxanes. Recent advances in genome-wide genotyping and sequencing technologies have supported the discoveries of a number of pharmacogenetic markers that predict response to chemotherapy. However, effectively implementing these pharmacogenetic markers in the clinic remains a major challenge. On the other hand, recent advances in proteomic technologies incorporating mass spectrometry (MS) for biomarker discovery show great promise to provide clinically relevant protein biomarkers. In this study, we evaluated the association between protein content in serum exosomes and severity of CIPN. Women with early stage breast cancer receiving adjuvant taxane chemotherapy were assessed with the FACT-Ntx score and serum was collected before and after the taxane treatment. Based on the change in FACT-Ntx score from baseline to 12 month follow-up, we separated patients into two groups: those who had no change (Group 1, N = 9) and those who had a ≥20% worsening (Group 1, N = 8). MS-based proteomics technology was used to identify proteins present in serum exosomes to determine potential biomarkers. Mann-Whitney-Wilcoxon analysis was applied and maximum FDR was controlled at 20%. From the serum exosomes derived from this cohort, we identified over 700 proteins known to be in different subcellular locations and have different functions. Statistical analysis revealed a 12-protein signature that resulted in a distinct separation between baseline serum samples of both groups (q<0.2) suggesting that the baseline samples can predict subsequent neurotoxicity. These toxicity-associated biomarkers can be further validated in larger retrospective cohorts for their utility in identifying patients at high risk for CIPN.
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Affiliation(s)
- Emily I. Chen
- Department of Pharmacology, Columbia University Medical Center, New York, New York, United States of America
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Katherine D. Crew
- Department of Medicine, Columbia University Medical Center, New York, New York, United States of America
- Department of Epidemiology, Columbia University Medical Center, New York, New York, United States of America
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Meghna Trivedi
- Department of Medicine, Columbia University Medical Center, New York, New York, United States of America
| | - Danielle Awad
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Mathew Maurer
- Department of Medicine, Columbia University Medical Center, New York, New York, United States of America
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Kevin Kalinsky
- Department of Medicine, Columbia University Medical Center, New York, New York, United States of America
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Antonius Koller
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Purvi Patel
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Jenny Kim Kim
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
| | - Dawn L. Hershman
- Department of Medicine, Columbia University Medical Center, New York, New York, United States of America
- Department of Epidemiology, Columbia University Medical Center, New York, New York, United States of America
- Herbert Irving Comprehensive Cancer Center, Proteomics Shared Resource, Columbia University Medical Center, New York, New York, United States of America
- * E-mail:
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211
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Sisignano M, Parnham MJ, Geisslinger G. Drug Repurposing for the Development of Novel Analgesics. Trends Pharmacol Sci 2015; 37:172-183. [PMID: 26706620 DOI: 10.1016/j.tips.2015.11.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Revised: 11/16/2015] [Accepted: 11/17/2015] [Indexed: 01/12/2023]
Abstract
Drug development consumes huge amounts of time and money and the search for novel analgesics, which are urgently required, is particularly difficult, having resulted in many setbacks in the past. Drug repurposing - the identification of new uses for existing drugs - is an alternative approach, which bypasses most of the time- and cost-consuming components of drug development. Recent, unexpected findings suggest a role for several existing drugs, such as minocycline, ceftriaxone, sivelestat, and pioglitazone, as novel analgesics in chronic and neuropathic pain states. Here, we discuss these findings as well as their proposed antihyperalgesic mechanisms and outline the merits of pathway-based repurposing screens, in combination with bioinformatics and novel cellular reprogramming techniques, for the identification of novel analgesics.
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Affiliation(s)
- Marco Sisignano
- Institute of Clinical Pharmacology, pharmazentrum Frankfurt/ZAFES, University Hospital of Goethe-University, 60590 Frankfurt am Main, Germany
| | - Michael J Parnham
- Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Project Group Translational Medicine and Pharmacology (TMP), Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Gerd Geisslinger
- Institute of Clinical Pharmacology, pharmazentrum Frankfurt/ZAFES, University Hospital of Goethe-University, 60590 Frankfurt am Main, Germany; Fraunhofer Institute for Molecular Biology and Applied Ecology (IME), Project Group Translational Medicine and Pharmacology (TMP), Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany.
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Yeo JH, Yoon SY, Kwon SK, Kim SJ, Lee JH, Beitz AJ, Roh DH. Repetitive Acupuncture Point Treatment with Diluted Bee Venom Relieves Mechanical Allodynia and Restores Intraepidermal Nerve Fiber Loss in Oxaliplatin-Induced Neuropathic Mice. THE JOURNAL OF PAIN 2015; 17:298-309. [PMID: 26604098 DOI: 10.1016/j.jpain.2015.10.018] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2015] [Revised: 10/21/2015] [Accepted: 10/24/2015] [Indexed: 01/11/2023]
Abstract
UNLABELLED The chemotherapeutic agent, oxaliplatin, produces a robust painful neuropathy that results in the loss of intraepidermal nerve fibers (IENFs). We have previously reported that an acupuncture point (acupoint) injection of diluted bee venom (DBV) produces a temporary antiallodynic effect in oxaliplatin-induced neuropathic mice. Herein we show a significant long-lasting antinociceptive effect of repetitive DBV acupoint treatment on oxaliplatin-induced mechanical allodynia and a significant reduction in the loss of IENFs. DBV (0.1 mg/kg, subcutaneous) was administered once a day for 18 days beginning on day 15 after oxaliplatin injection. Immunohistochemistry for IENF was performed on the glabrous skin of the hind paw footpad using the pan-neuronal marker, protein gene product 9.5. A temporary increase in mechanical threshold was observed 60 minutes after a single DBV injection into the Zusanli acupoint, and this effect was enhanced over time with repetitive DBV treatments. The basal mechanical threshold before daily DBV injection also increased from day 7 after DBV injections, and peaked at day 14 after DBV treatment. Moreover, the oxaliplatin-induced loss of IENFs was significantly reduced in mice treated repetitively with DBV. Repetitive pretreatment with the α-2 adrenoceptor antagonist, yohimbine, (5 mg/kg, subcutaneous) completely prevented the antiallodynic effects and the increase in IENFs observed in mice treated repetitively with DBV. PERSPECTIVE We showed that repetitive acupoint stimulation with DBV gradually and significantly reduced oxaliplatin-induced mechanical allodynia and restored the loss of IENFs in neuropathic mice via an α-2 adrenoceptor mechanism. Collectively, results of this study suggest that repetitive acupoint treatment with DBV can be a potential strategy for the management of chemotherapy-induced neuropathy.
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Affiliation(s)
- Ji-Hee Yeo
- Department of Oral Physiology and Research Center for Tooth and Periodontal Tissue Regeneration, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Seo-Yeon Yoon
- Department of Brain and Cognitive Sciences College of Natural Sciences, Dental Research Institute and Department of Neurobiology and Physiology, School of Dentistry, Seoul National University, Seoul, Republic of Korea
| | - Soon-Keun Kwon
- Department of Oral Physiology and Research Center for Tooth and Periodontal Tissue Regeneration, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Sol-Ji Kim
- Department of Oral Physiology and Research Center for Tooth and Periodontal Tissue Regeneration, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea
| | - Jang-Hern Lee
- Department of Veterinary Physiology, College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Alvin J Beitz
- Department of Veterinary and Biomedical Sciences, College of Veterinary Medicine, University of Minnesota, St Paul, Minnesota
| | - Dae-Hyun Roh
- Department of Oral Physiology and Research Center for Tooth and Periodontal Tissue Regeneration, School of Dentistry, Kyung Hee University, Seoul, Republic of Korea.
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213
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Qi Z, Wang Y, Zhou H, Liang N, Yang L, Liu L, Zhang W. The Central Analgesic Mechanism of YM-58483 in Attenuating Neuropathic Pain in Rats. Cell Mol Neurobiol 2015; 36:1035-43. [PMID: 26514127 DOI: 10.1007/s10571-015-0292-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Accepted: 10/22/2015] [Indexed: 12/18/2022]
Abstract
Calcium channel antagonists are commonly used to treat neuropathic pain. Their analgesic effects rely on inhibiting long-term potentiation, and neurotransmitters release in the spinal cord. Store-operated Ca(2+)channels (SOCCs) are highly Ca(2+)-selective cation channels broadly expressed in non-excitable cells and some excitable cells. Recent studies have shown that the potent inhibitor of SOCCs, YM-58483, has analgesic effects on neuropathic pain, but its mechanism is unclear. This experiment performed on spinal nerve ligation (SNL)-induced neuropathic pain model in rats tries to explore the mechanism, whereby YM-58483 attenuates neuropathic pain. The left L5 was ligated to produce the SNL neuropathic pain model in male Sprague-Dawley rats. The withdrawal threshold of rats was measured by the up-down method and Hargreaves' method before and after intrathecal administration of YM-58483 and vehicle. The SOCCs in the spinal dorsal horn were located by immunofluorescence. The expression of phosphorylated ERK and phosphorylated CREB, CD11b, and GFAP proteins in spinal level was tested by Western blot, while the release of proinflammatory cytokines (IL-1β, TNF-α, PGE2) was measured by enzyme-linked immunosorbent assay (ELISA). Intrathecal YM-58483 at the concentration of 300 μM (1.5 nmol) and 1000 μM (10 nmol) produced a significant central analgesic effect on the SNL rats, compared with control + vehicle (n = 7, P < 0.001). However, both could not prevent the development of neuropathic pain, compared with normal + saline (P < 0.001). Immunofluorescent staining revealed that Orai1 and STIM1 (the two key components of SOCCs) were located in the spinal dorsal horn neurons. Western blot showed that YM-58483 could decrease the levels of P-ERK and P-CREB (n = 10, #P < 0.05), without affecting the expression of CD11b and GFAP (n = 10, #P > 0.05). YM-58483 also inhibited the release of spinal cord IL-1β, TNF-α, and PGE2, compared with control + vehicle (n = 5, #P < 0.001). The analgesic mechanism of YM-58483 may be via inhibiting central ERK/CREB signaling in the neurons and decreasing central IL-1β, TNF-α, and PGE2 release to reduce neuronal excitability in the spinal dorsal horn of the SNL rats.
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Affiliation(s)
- Zeyou Qi
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Yaping Wang
- Second Xiang-Ya Hospital of Central South University, Changsha, China.
| | - Haocheng Zhou
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Na Liang
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Lin Yang
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Lei Liu
- Second Xiang-Ya Hospital of Central South University, Changsha, China
| | - Wei Zhang
- Second Xiang-Ya Hospital of Central South University, Changsha, China
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214
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215
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Di Cesare Mannelli L, Maresca M, Farina C, Scherz MW, Ghelardini C. A model of neuropathic pain induced by sorafenib in the rat: Effect of dimiracetam. Neurotoxicology 2015; 50:101-7. [PMID: 26254739 DOI: 10.1016/j.neuro.2015.08.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 07/28/2015] [Accepted: 08/03/2015] [Indexed: 12/24/2022]
Abstract
BACKGROUND Sorafenib is a kinase inhibitor anticancer drug whose repeated administration causes the onset of a peripheral painful neuropathy. Notably, the efficacy of common analgesic drugs is not adequate and this often leads pre-mature discontinuation of anticancer therapy. The aim of this study was to establish a rat model of sorafenib-induced neuropathic pain, and to assess the effect of the new anti-neuropathic compound dimiracetam in comparison with gabapentin, pregabalin and duloxetine. METHODS Male Sprague-Dawley rats were treated i.v. (10 mg kg(-1)), i.p. (10 and 30 mg kg(-1)) or p.o. (80 and 160 mg kg(-1)) with sorafenib once daily for 21 days. Pain behaviour measurements (cold plate, paw pressure, electronic von Frey) were performed on days 0, 7, 14 and 21. RESULTS Sorafenib lowered the paw-licking threshold to non-noxious cold stimuli on day 14 of all protocols evaluated. The i.p. administration resulted in greater efficacy than the other administration routes. Sorafenib treatments did not affect paw-withdrawal responses to non-noxious or to noxious mechanical stimuli. On day 14, dimiracetam (300 mg kg(-1)), gabapentin (100 mg kg(-1)), pregabalin (30 mg kg(-1)) and duloxetine (30 mg kg(-1)) were acutely administered p.o. in sorafenib i.p.-treated rats. A single oral dose of dimiracetam induced a statistically significant increase of the pain threshold 15 min after administration. Pregabalin induced a comparable effect, whereas gabapentin and duloxetine were ineffective. Repeated twice-daily administration of dimiracetam (150 mg kg(-1) p.o.), starting on the first day of i.p sorafenib administration, significantly protected rats from sorafenib-induced decrease in the paw-licking threshold. CONCLUSIONS A rat model of sorafenib-induced hypersensitivity to cold stimulation has been established. Dimiracetam and pregabalin are effective in prevention of sorafenib-induced neuropathy in this model.
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Affiliation(s)
- Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health, - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Viale G. Pieraccini, 6, 50139 Firenze, Italy.
| | - Mario Maresca
- Department of Neuroscience, Psychology, Drug Research and Child Health, - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Viale G. Pieraccini, 6, 50139 Firenze, Italy
| | - Carlo Farina
- Neurotune AG, Wagistrasse 27a, CH-8952 Schlieren, Switzerland; Metys Pharmaceuticals, Friedrichstrasse 6, CH-4055 Basel, Switzerland
| | - Michael W Scherz
- Metys Pharmaceuticals, Friedrichstrasse 6, CH-4055 Basel, Switzerland
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health, - Neurofarba - Pharmacology and Toxicology Section, University of Florence, Viale G. Pieraccini, 6, 50139 Firenze, Italy
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Greeshma N, Prasanth K, Balaji B. Tetrahydrocurcumin exerts protective effect on vincristine induced neuropathy: Behavioral, biochemical, neurophysiological and histological evidence. Chem Biol Interact 2015; 238:118-28. [DOI: 10.1016/j.cbi.2015.06.025] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Revised: 05/21/2015] [Accepted: 06/18/2015] [Indexed: 12/17/2022]
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217
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Circulating microRNA Signatures in Rodent Models of Pain. Mol Neurobiol 2015; 53:3416-3427. [DOI: 10.1007/s12035-015-9281-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Accepted: 06/02/2015] [Indexed: 01/29/2023]
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218
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Ninjin’yoeito and ginseng extract prevent oxaliplatin-induced neurodegeneration in PC12 cells. J Nat Med 2015; 69:531-7. [DOI: 10.1007/s11418-015-0921-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Accepted: 05/14/2015] [Indexed: 10/23/2022]
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Abstract
Slack (Slo2.2) is a sodium-activated potassium channel that regulates neuronal firing activities and patterns. Previous studies identified Slack in sensory neurons, but its contribution to acute and chronic pain in vivo remains elusive. Here we generated global and sensory neuron-specific Slack mutant mice and analyzed their behavior in various animal models of pain. Global ablation of Slack led to increased hypersensitivity in models of neuropathic pain, whereas the behavior in models of inflammatory and acute nociceptive pain was normal. Neuropathic pain behaviors were also exaggerated after ablation of Slack selectively in sensory neurons. Notably, the Slack opener loxapine ameliorated persisting neuropathic pain behaviors. In conclusion, Slack selectively controls the sensory input in neuropathic pain states, suggesting that modulating its activity might represent a novel strategy for management of neuropathic pain.
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220
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Omlin A, Sartor O, Rothermundt C, Cathomas R, De Bono JS, Shen L, Su Z, Gillessen S. Analysis of Side Effect Profile of Alopecia, Nail Changes, Peripheral Neuropathy, and Dysgeusia in Prostate Cancer Patients Treated With Docetaxel and Cabazitaxel. Clin Genitourin Cancer 2015; 13:e205-e208. [PMID: 25733056 DOI: 10.1016/j.clgc.2015.01.010] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2014] [Revised: 01/16/2015] [Accepted: 01/25/2015] [Indexed: 11/15/2022]
Abstract
INTRODUCTION We hypothesized that the adverse event (AE) profile of cabazitaxel with regard to alopecia, nail changes, neuropathy, and dysgeusia differs from docetaxel. MATERIALS AND METHODS Prospectively collected data on treatment-emergent AEs (frequency and grade [G]) from clinical trial databases of docetaxel every 3 weeks (q3w) (in TAX327 and VENICE) and cabazitaxel q3w (in TROPIC) were analyzed. RESULTS The frequency of new or worsening AEs (all G and G3-4) for 1301 patients was significantly less for alopecia, nail changes, neuropathy, and dysgeusia for cabazitaxel compared with docetaxel. CONCLUSION Treatment with cabazitaxel might cause less alopecia, nail changes, neuropathy, and dysgeusia compared with docetaxel.
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Affiliation(s)
- Aurelius Omlin
- Kantonsspital St Gallen, Department of Oncology and Hematology, St Gallen, Switzerland.
| | - Oliver Sartor
- Tulane University, Department of Medicine and Urology, New Orleans, LA
| | - Christian Rothermundt
- Kantonsspital St Gallen, Department of Oncology and Hematology, St Gallen, Switzerland
| | - Richard Cathomas
- Division of Oncology/Hematology, Kantonsspital Graubünden, Chur, Switzerland
| | - Johann S De Bono
- Prostate Cancer Targeted Therapies Group, Royal Marsden NHS Foundation Trust and Institute of Cancer Research, ICR, Sutton, UK
| | | | - Zhen Su
- Sanofi-Aventis, Bridgewater, NJ
| | - Silke Gillessen
- Kantonsspital St Gallen, Department of Oncology and Hematology, St Gallen, Switzerland
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