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Ikeda H, Yamagishi A, Yonemochi N, Yamamoto S, Shimizu T, Muto A, Waddington JL, Kamei J. Keratinocyte-Derived Cytokine in the Hippocampus Disrupts Extinction of Conditioned Fear Memory in Tumor-Bearing Mice. Mol Neurobiol 2024:10.1007/s12035-024-03992-1. [PMID: 38308664 DOI: 10.1007/s12035-024-03992-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/27/2024] [Indexed: 02/05/2024]
Abstract
While patients with cancer show a higher prevalence of psychiatric disorders than the general population, the mechanism underlying this interaction remains unclear. The present study examined whether tumor-bearing (TB) mice show psychological changes using the conditioned fear paradigm and the role of cytokines in these changes. TB mice were established by transplantation with mouse osteosarcoma AXT cells. These TB mice were then found to exhibit disruption in extinction of conditioned fear memory. Eighteen cytokines in serum were increased in TB mice, among which i.c.v. injection of interleukin (IL)-1β and IL-6 strengthened fear memory in normal mice. Contents of IL-17 and keratinocyte-derived cytokine (KC) in the amygdala and KC in the hippocampus were increased in TB mice. KC mRNA in both the amygdala and hippocampus was also increased in TB mice, and i.c.v. injection of KC dose-dependently strengthened fear memory in normal mice. In addition, injection of IL-1β, but not IL-6, increased KC mRNA in the amygdala and hippocampus. In TB mice KC mRNA was increased in both astrocytes and microglia of the amygdala and hippocampus. The microglia inhibitor minocycline, but not the astrocyte inhibitor fluorocitrate, alleviated disruption in extinction of conditioned fear memory in TB mice. Microinjection of KC into the hippocampus, but not into the amygdala, increased fear memory in normal mice. These findings indicate that TB mice show an increase in serum cytokines, including IL-1β, that increases KC production in microglia of the hippocampus, which then disrupts extinction of fear memory.
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Affiliation(s)
- Hiroko Ikeda
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan.
| | - Aimi Yamagishi
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Naomi Yonemochi
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Shogo Yamamoto
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Takatsune Shimizu
- Department of Pathophysiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Akihiro Muto
- Department of Pathophysiology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - John L Waddington
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, 111 St Stephen's Green, Dublin 2, Ireland
| | - Junzo Kamei
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
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2
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Barrett JE, Shekarabi A, Inan S. Oxycodone: A Current Perspective on Its Pharmacology, Abuse, and Pharmacotherapeutic Developments. Pharmacol Rev 2023; 75:1062-1118. [PMID: 37321860 PMCID: PMC10595024 DOI: 10.1124/pharmrev.121.000506] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 04/30/2023] [Accepted: 06/05/2023] [Indexed: 06/17/2023] Open
Abstract
Oxycodone, a semisynthetic derivative of naturally occurring thebaine, an opioid alkaloid, has been available for more than 100 years. Although thebaine cannot be used therapeutically due to the occurrence of convulsions at higher doses, it has been converted to a number of other widely used compounds that include naloxone, naltrexone, buprenorphine, and oxycodone. Despite the early identification of oxycodone, it was not until the 1990s that clinical studies began to explore its analgesic efficacy. These studies were followed by the pursuit of several preclinical studies to examine the analgesic effects and abuse liability of oxycodone in laboratory animals and the subjective effects in human volunteers. For a number of years oxycodone was at the forefront of the opioid crisis, playing a significant role in contributing to opioid misuse and abuse, with suggestions that it led to transitioning to other opioids. Several concerns were expressed as early as the 1940s that oxycodone had significant abuse potential similar to heroin and morphine. Both animal and human abuse liability studies have confirmed, and in some cases amplified, these early warnings. Despite sharing a similar structure with morphine and pharmacological actions also mediated by the μ-opioid receptor, there are several differences in the pharmacology and neurobiology of oxycodone. The data that have emerged from the many efforts to analyze the pharmacological and molecular mechanism of oxycodone have generated considerable insight into its many actions, reviewed here, which, in turn, have provided new information on opioid receptor pharmacology. SIGNIFICANCE STATEMENT: Oxycodone, a μ-opioid receptor agonist, was synthesized in 1916 and introduced into clinical use in Germany in 1917. It has been studied extensively as a therapeutic analgesic for acute and chronic neuropathic pain as an alternative to morphine. Oxycodone emerged as a drug with widespread abuse. This article brings together an integrated, detailed review of the pharmacology of oxycodone, preclinical and clinical studies of pain and abuse, and recent advances to identify potential opioid analgesics without abuse liability.
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Affiliation(s)
- James E Barrett
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University. Philadelphia, Pennsylvania
| | - Aryan Shekarabi
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University. Philadelphia, Pennsylvania
| | - Saadet Inan
- Center for Substance Abuse Research, Lewis Katz School of Medicine, Temple University. Philadelphia, Pennsylvania
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3
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Ikeda H, Mikami R, Yonemochi N, Waddington JL. Regulation of plasma glucose levels by central dopamine D 2 receptors is impaired in type 1 but not type 2 diabetic mouse models. Eur J Pharmacol 2023; 956:175984. [PMID: 37567458 DOI: 10.1016/j.ejphar.2023.175984] [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: 05/24/2023] [Revised: 07/22/2023] [Accepted: 08/09/2023] [Indexed: 08/13/2023]
Abstract
Glucose metabolism is reported to be regulated by the central nervous system, but it is unclear whether this regulation is altered in diabetes. We investigated whether regulation of glucose metabolism by central dopamine D2 receptors is altered in type 1 and type 2 diabetic models. Intracerebroventricular injections of both the dopamine D2 receptor agonist quinpirole and the antagonist l-sulpiride induced hyperglycemia in control mice, but not in streptozotocin (STZ)-induced diabetic mice, a type 1 diabetic model. Hyperglycemia induced by quinpirole or l-sulpiride was diminished following fasting and these drugs did not affect hyperglycemia in the pyruvate tolerance test. In addition, both quinpirole and l-sulpiride increased hepatic glucose-6-phosphatase (G6Pase) mRNA. In STZ-induced diabetic mice, dopamine and dopamine D2 receptor mRNA in the hypothalamus, which regulates glucose homeostasis, were decreased. Hepatic glycogen and G6Pase mRNA were also decreased in STZ-induced diabetic mice. Neither quinpirole nor l-sulpiride increased hepatic G6Pase mRNA in STZ-induced diabetic mice. In diet-induced obesity mice, a type 2 diabetic model, both quinpirole and l-sulpiride induced hyperglycemia, and hypothalamic dopamine and dopamine D2 receptor mRNA were not altered. These results indicate that (i) stimulation or blockade of dopamine D2 receptors causes hyperglycemia by increasing hepatic glycogenolysis, and (ii) stimulation or blockade of dopamine D2 receptors does not affect glucose levels in type 1 but does so in type 2 diabetic models. Moreover, hypothalamic dopaminergic function and hepatic glycogenolysis are decreased in the type 1 diabetic model, which reduces hyperglycemia induced by stimulation or blockade of dopamine D2 receptors.
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Affiliation(s)
- Hiroko Ikeda
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan.
| | - Risa Mikami
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - Naomi Yonemochi
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, 2-4-41 Ebara, Shinagawa-ku, Tokyo, 142-8501, Japan
| | - John L Waddington
- School of Pharmacy and Biomolecular Sciences, RCSI University of Medicine and Health Sciences, 111 St Stephen's Green, Dublin 2, Ireland
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Fujita Y, Matsuoka H, Chiba Y, Tsurutani J, Yoshida T, Sakai K, Nakura M, Sakamoto R, Makimura C, Ohtake Y, Tanaka K, Hayashi H, Takeda M, Okuno T, Takegawa N, Haratani K, Takahama T, Tanizaki J, Koyama A, Nishio K, Nakagawa K. Novel single nucleotide polymorphism biomarkers to predict opioid effects for cancer pain. Oncol Lett 2023; 26:355. [PMID: 37545623 PMCID: PMC10398630 DOI: 10.3892/ol.2023.13941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 06/05/2023] [Indexed: 08/08/2023] Open
Abstract
There have been few studies on predictive biomarkers that may be useful to select the most suitable opioids to optimize therapeutic efficacy in individual patients with cancer pain. We recently investigated the efficacy of morphine and oxycodone using single nucleotide polymorphisms (SNPs) of the catechol-O-methyltransferase (COMT) rs4680 gene as a biomarker (RELIEF study). To explore additional biomarkers that may enable the selection of an appropriate opioid for individual patients with cancer pain, three SNPs were examined: C-C motif chemokine ligand 11 (CCL11; rs17809012), histamine N-methyltransferase (HNMT; rs1050891) and transient receptor potential V1 (TRPV1; rs222749), which were screened from 74 pain-related SNPs. These SNPs, which were identified as being significantly associated with the analgesic effect of morphine, were then used to genotype the 135 patients in the RELIEF study who had been randomized into a morphine group (n=69) or an oxycodone group (n=66). The present study then assessed whether the SNPs could also be used as selective biomarkers to predict which opioid(s) might be the most suitable to provide pain relief for patients with cancer. Oxycodone tended to provide superior analgesic effects over morphine in patients carrying the genotype AA for the CCL11 rs17809012 SNP (P=0.012 for interaction), suggesting that it could serve as a potential biomarker for personalized analgesic therapy for patients suffering with cancer pain.
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Affiliation(s)
- Yoshihiko Fujita
- Department of Genome Biology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Hiromichi Matsuoka
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
- Palliative Care Center, Kindai Hospital, Osaka 589-8511, Japan
- Palliative Care Team, National Cancer Center, Tokyo 104-0045, Japan
| | - Yasutaka Chiba
- Department of Biostatics, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Junji Tsurutani
- Advanced Cancer Translational Research Institute, Showa University, Tokyo 142-8555, Japan
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Takeshi Yoshida
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Kiyohiro Sakai
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
- Palliative Care Center, Kindai Hospital, Osaka 589-8511, Japan
| | - Miki Nakura
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Ryo Sakamoto
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Chihiro Makimura
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Yoichi Ohtake
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Kaoru Tanaka
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Hidetoshi Hayashi
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Masayuki Takeda
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Tatsuya Okuno
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Naoki Takegawa
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Koji Haratani
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Takayuki Takahama
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Junko Tanizaki
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Atsuko Koyama
- Department of Psychosomatic Medicine, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
- Palliative Care Center, Kindai Hospital, Osaka 589-8511, Japan
| | - Kazuto Nishio
- Department of Genome Biology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
| | - Kazuhiko Nakagawa
- Department of Medical Oncology, Kindai University Faculty of Medicine, Osaka 589-8511, Japan
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5
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Ciapała K, Pawlik K, Ciechanowska A, Mika J, Rojewska E. Effect of pharmacological modulation of the kynurenine pathway on pain-related behavior and opioid analgesia in a mouse model of neuropathic pain. Toxicol Appl Pharmacol 2023; 461:116382. [PMID: 36681127 DOI: 10.1016/j.taap.2023.116382] [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: 05/01/2022] [Revised: 10/26/2022] [Accepted: 01/14/2023] [Indexed: 01/19/2023]
Abstract
Dysfunction of the central nervous system are accompanied by changes in tryptophan metabolism, with the kynurenine pathway (KP) being the main route of its catabolism. Recently, KP metabolites, which are collectively called kynurenines, have become an area of intense research due to their ability to directly and indirectly affect a variety of classic neurotransmitter systems. However, the significance of KP in neuropathic pain is still poorly understood. Therefore, we designed several experiments to verify changes in the mRNA levels of KP enzymes in parallel with other factors related to this metabolic route after chronic constriction injury of the sciatic nerve (CCI model) in mice. The analysis revealed an increase in, Kmo, Kynu and Haoo mRNA levels in the spinal cord on the 7th day after CCI, while Kat1, Kat2, Tdo2, Ido2 and Qprt mRNA levels remain unchanged. Subsequent pharmacological studies provided evidence that modulation of KP by single intrathecal administration of 1-D-MT, UPF468 or L-kynurenine attenuates mechanical and thermal hypersensitivity and increases the effectiveness of selected opioids in mice as measured on day 7 after CCI. Moreover, our results provide the first evidence that the injection of L-kynurenine preceded by UPF468 (KMO inhibitor) is more effective at reducing hypersensitivity in animals with neuropathic pain. Importantly, L-kynurenine also exerts an analgesic effect after intravenous injections, which is enhanced by the administration of minocycline, an inhibitor of microglial activation. Additionally, L-kynurenine administered intrathecally and intravenously enhances analgesia evoked by all tested opioids (morphine, buprenorphine and oxycodone). Overall, our results indicate that the modulation of KP at different levels might be a new pharmacological tool in neuropathy management.
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Affiliation(s)
- Katarzyna Ciapała
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Pain Pharmacology, Krakow, Poland
| | - Katarzyna Pawlik
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Pain Pharmacology, Krakow, Poland
| | - Agata Ciechanowska
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Pain Pharmacology, Krakow, Poland
| | - Joanna Mika
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Pain Pharmacology, Krakow, Poland
| | - Ewelina Rojewska
- Maj Institute of Pharmacology, Polish Academy of Sciences, Department of Pain Pharmacology, Krakow, Poland.
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6
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Zhang J, Song C, Dai J, Li L, Yang X, Chen Z. Mechanism of opioid addiction and its intervention therapy: Focusing on the reward circuitry and mu‐opioid receptor. MedComm (Beijing) 2022; 3:e148. [PMID: 35774845 PMCID: PMC9218544 DOI: 10.1002/mco2.148] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 05/03/2022] [Accepted: 05/07/2022] [Indexed: 11/09/2022] Open
Affiliation(s)
- Jia‐Jia Zhang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology The Fourth Military Medical University Xi'an China
| | - Chang‐Geng Song
- Department of Neurology Xijing Hospital The Fourth Military Medical University Xi'an China
| | - Ji‐Min Dai
- Department of Hepatobiliary Surgery Xijing Hospital The Fourth Military Medical University Xi'an China
| | - Ling Li
- National Translational Science Center for Molecular Medicine & Department of Cell Biology The Fourth Military Medical University Xi'an China
| | - Xiang‐Min Yang
- National Translational Science Center for Molecular Medicine & Department of Cell Biology The Fourth Military Medical University Xi'an China
| | - Zhi‐Nan Chen
- National Translational Science Center for Molecular Medicine & Department of Cell Biology The Fourth Military Medical University Xi'an China
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7
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Wu LX, Dong YP, Zhu QM, Zhang B, Ai BL, Yan T, Zhang GH, Sun L. Effects of dezocine on morphine tolerance and opioid receptor expression in a rat model of bone cancer pain. BMC Cancer 2021; 21:1128. [PMID: 34670518 PMCID: PMC8529774 DOI: 10.1186/s12885-021-08850-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 10/05/2021] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Clinically, the coadministration of opioids to enhance antinociception and decrease tolerance has attracted increasing research attention. We investigated the effects of dezocine, a mu- and kappa-opioid receptor agonist/antagonist, on morphine tolerance and explored the involvement of opioid receptor expression in a rat model of bone cancer pain. METHODS Thermal nociceptive thresholds were measured after the subcutaneous injection of morphine (10 mg/kg) alone or combined with dezocine (10 or 1 mg/kg) for 7 consecutive days. Real-time PCR and western blot analysis were used to examine opioid receptor expression in the periaqueductal gray (PAG) and spinal cord. RESULTS The analgesic effect was significantly decreased after 4 days of morphine administration. We observed that low-dose dezocine significantly attenuated morphine tolerance without reducing the analgesic effect of morphine. Low-dose dezocine coadministration significantly reversed the downregulated expression of mu (MOR) and delta (DOR) opioid receptors in the PAG and the upregulated expression of kappa (KOR) and DOR in the spinal cord induced by morphine. Moreover, low-dose dezocine coadministered with morphine significantly inhibited KOR expression in both the PAG and spinal cord. CONCLUSIONS The combination of low-dose dezocine with morphine may prevent or delay the development of morphine tolerance in a rat model of bone cancer pain. The regulation of opioid receptor expression in the PAG and spinal cord may be part of the mechanism.
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MESH Headings
- Animals
- Female
- Rats
- Analgesics, Opioid/administration & dosage
- Analgesics, Opioid/pharmacology
- Bone Neoplasms/complications
- Bridged Bicyclo Compounds, Heterocyclic/administration & dosage
- Bridged Bicyclo Compounds, Heterocyclic/pharmacology
- Cancer Pain/drug therapy
- Cancer Pain/metabolism
- Cell Line, Tumor
- Down-Regulation/drug effects
- Drug Interactions
- Drug Therapy, Combination/methods
- Drug Tolerance
- Hot Temperature
- Hyperalgesia/physiopathology
- Morphine/administration & dosage
- Morphine/pharmacology
- Pain Measurement/drug effects
- Pain Threshold
- Periaqueductal Gray/metabolism
- Rats, Wistar
- Receptors, Opioid/drug effects
- Receptors, Opioid/metabolism
- Spinal Cord/metabolism
- Tetrahydronaphthalenes/administration & dosage
- Tetrahydronaphthalenes/pharmacology
- Up-Regulation/drug effects
- Disease Models, Animal
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Affiliation(s)
- Lin-Xin Wu
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Yan-Peng Dong
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Qian-Mei Zhu
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Bo Zhang
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Bo-Lun Ai
- Department of Breast Surgical Oncology, National Cancer Center/National Clinical Research Center Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China
| | - Tao Yan
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Guo-Hua Zhang
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
| | - Li Sun
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100021, China.
- Department of Anesthesiology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital & Shenzhen Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Shenzhen, 518100, China.
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8
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Ueda D, Yonemochi N, Kamata T, Shibasaki M, Kamei J, Waddington JL, Ikeda H. Increase in neuropeptide Y activity impairs social behaviour in association with glutamatergic dysregulation in diabetic mice. Br J Pharmacol 2020; 178:726-740. [PMID: 33197050 DOI: 10.1111/bph.15326] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND AND PURPOSE Patients with diabetes mellitus are reported to show a raised prevalence of mental disorders, which may be reflected in impaired social interaction. However, the mechanisms underlying such impairment in diabetes are unknown. EXPERIMENTAL APPROACH The present study investigated whether social interaction is impaired in diabetic mice and whether central neuropeptide Y (NPY) and glutamatergic function are involved in such impairment. KEY RESULTS In the three-chamber test, social novelty preference, but not sociability, was impaired in streptozotocin (STZ)-induced diabetic mice. The mRNA level of NPY in the hypothalamus was increased in STZ-induced diabetic mice. Injection of the NPY Y2 receptor agonist NPY 13-36 into naïve mice impaired social novelty preference, but not sociability, and this effect was inhibited by the Y2 receptor antagonist BIIE 0246. BIIE 0246 also reversed the impairment of social novelty preference in STZ-induced diabetic mice. Similarly, injection of the AMPA receptor agonist AMPA into naïve mice impaired social novelty preference, but not sociability, and this effect was inhibited by the AMPA receptor antagonist NBQX. Impairment of social novelty preference induced by NPY 13-36 was inhibited by NBQX, whereas impairment of social novelty preference induced by AMPA was not inhibited by BIIE 0246. Finally, impairment of social novelty preference in STZ-induced diabetic mice was reversed by NBQX. CONCLUSION AND IMPLICATIONS These findings suggest that NPY neurons are activated in diabetic mice and that this may impair social novelty preference by promoting glutamatergic function through Y2 receptors.
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Affiliation(s)
- Daiki Ueda
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Naomi Yonemochi
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Tomohiro Kamata
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Masahiro Shibasaki
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - Junzo Kamei
- Department of Biomolecular Pharmacology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
| | - John L Waddington
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Hiroko Ikeda
- Department of Pathophysiology and Therapeutics, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
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Lu CW, Lin TY, Huang SK, Chiu KM, Lee MY, Huang JH, Wang SJ. Inhibition of glutamatergic transmission and neuronal excitability by oxycodone in the rat hippocampal CA3 neurons. Can J Physiol Pharmacol 2020; 99:737-743. [PMID: 33175564 DOI: 10.1139/cjpp-2020-0469] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Oxycodone, a semisynthetic opioid analgesic with actions similar to morphine, is extensively prescribed for treatment of moderate to severe acute pain. Given that glutamate plays a crucial role in mediating pain transmission, the purpose of this study was to investigate the effect of oxycodone on glutamatergic synaptic transmission in rat hippocampal CA3 area, which is associated with the modulation of nociceptive perception. Whole-cell patch-clamp recordings revealed that oxycodone effectively reduced presynaptic glutamate release, as detected by decreased frequencies of spontaneous excitatory postsynaptic currents (sEPSCs) and miniature EPSCs (mEPSCs), without eliciting significant changes in the amplitudes of sEPSCs and mEPSCs and glutamate-evoked inward currents. The inhibitory effect of oxycodone on the frequency of sEPSCs was blocked by the nonselective opioid receptor antagonist naloxone. In addition, oxycodone suppressed burst firing induced by 4-aminopyridine and tonic repetitive firing evoked by the applied depolarizing current. These results suggest that oxycodone inhibits spontaneous presynaptic glutamate release possibly by activating opioid receptors and consequently suppressing the neuronal excitability of hippocampal CA3 neurons.
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Affiliation(s)
- Cheng-Wei Lu
- Department of Anesthesiology, Far-Eastern Memorial Hospital, New Taipei 22060, Taiwan.,Department of Mechanical Engineering, Yuan Ze University, Taoyuan 32003, Taiwan
| | - Tzu-Yu Lin
- Department of Anesthesiology, Far-Eastern Memorial Hospital, New Taipei 22060, Taiwan.,Department of Mechanical Engineering, Yuan Ze University, Taoyuan 32003, Taiwan
| | - Shu-Kuei Huang
- Department of Anesthesiology, Far-Eastern Memorial Hospital, New Taipei 22060, Taiwan
| | - Kuan-Ming Chiu
- Division of Cardiovascular Surgery, Cardiovascular Center, Far-Eastern Memorial Hospital, New Taipei 22060, Taiwan.,Department of Nursing, Oriental Institute of Technology, New Taipei 22060, Taiwan.,Department of Photonics Engineering, Yuan Ze University, Taoyuan 32003, Taiwan
| | - Ming-Yi Lee
- Division of Cardiovascular Surgery, Cardiovascular Center, Far-Eastern Memorial Hospital, New Taipei 22060, Taiwan
| | - Jih-Hsin Huang
- Division of Cardiovascular Surgery, Cardiovascular Center, Far-Eastern Memorial Hospital, New Taipei 22060, Taiwan
| | - Su-Jane Wang
- School of Medicine, Fu Jen Catholic University, New Taipei 24205, Taiwan.,Research Center for Chinese Herbal Medicine, College of Human Ecology, Chang Gung University of Science and Technology, Taoyuan 33303, Taiwan
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Viisanen H, Lilius TO, Sagalajev B, Rauhala P, Kalso E, Pertovaara A. Neurophysiological response properties of medullary pain-control neurons following chronic treatment with morphine or oxycodone: modulation by acute ketamine. J Neurophysiol 2020; 124:790-801. [DOI: 10.1152/jn.00343.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Morphine and oxycodone are two clinically used strong opioids. Chronic treatment with oxycodone as well as morphine can lead to analgesic tolerance and paradoxical hyperalgesia. Here we show that an N-methyl-d-aspartate receptor-dependent pronociceptive change in discharge properties of rostroventromedial medullary neurons controlling spinal nociception has an important role in antinociceptive tolerance to morphine but not oxycodone. Interestingly, chronic oxycodone did not induce pronociceptive changes in the rostroventromedial medulla.
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Affiliation(s)
- Hanna Viisanen
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Tuomas O. Lilius
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Clinical Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Center for Translational Neuromedicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark
| | - Boriss Sagalajev
- Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Pekka Rauhala
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Individualized Drug Therapy Research Program, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Eija Kalso
- Department of Pharmacology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Department of Anaesthesiology, Intensive Care Medicine and Pain Medicine, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
- SleepWell Research Programme, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Antti Pertovaara
- Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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11
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Nakamura A, Yasufuku K, Shimada S, Aritomi H, Furue Y, Chiba H, Muramoto M, Takase K, Koike K, Matsumoto T, Shimada T, Watari R, Matsuzaki T, Asaki T, Kanemasa T, Fujita M. The antagonistic activity profile of naloxone in μ-opioid receptor agonist-induced psychological dependence. Neurosci Lett 2020; 735:135177. [PMID: 32569809 DOI: 10.1016/j.neulet.2020.135177] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/11/2020] [Accepted: 06/15/2020] [Indexed: 01/08/2023]
Abstract
Naloxone is a μ-opioid receptor antagonist that has been used to prevent overdose-related respiratory depression and deaths by the illicit use of opioids. Naloxone can also deter the abuse potential of opioids, but little has been reported regarding its antagonistic activity profile against opioid-induced psychological dependence. This study aimed to confirm the antagonistic activity profile of naloxone against several μ-opioid receptor agonists and investigate whether naloxone could affect the psychological dependence induced by widely used μ-opioid receptor agonist, oxycodone. In the Guanosine-5'-o-(3-thio) triphosphate (GTPγS) binding assay, naloxone (30-30,000 nM) inhibited the GTPγS binding induced by oxycodone, hydrocodone, morphine, and fentanyl. It elicited parallel rightward shifts in the concentration-response curves, indicating that naloxone possessed a competitive antagonistic activity profile against these μ-opioid receptor agonists. In the conditioned place preference test, oxycodone (0.01-1 mg/kg, i.v.) produced dose-dependent increases in place preference. The increased place preference induced by oxycodone (1 mg/kg) was significantly attenuated by co-administration of naloxone at a dose of 0.5 mg/kg but not 0.01 mg/kg. Naloxone (0.5 mg/kg, i.v.) also blocked oxycodone (1 mg/kg)-induced dopamine release in nucleus accumbens; however, at a lower dose (0.01 mg/kg), it did not affect the intrinsic dopamine release by oxycodone. These results indicate that the psychological dependence of oxycodone could be antagonized by naloxone, depending on the dose. This characterization might lead to a better understanding of the competitive antagonistic activity profile of naloxone for μ-opioid receptor in the brain.
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Affiliation(s)
- Atsushi Nakamura
- Research Area for Pharmacological Evaluation, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Kana Yasufuku
- Laboratory for Drug Discovery and Disease Research, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Shinji Shimada
- Research Area for Pharmacological Evaluation, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Hiroyuki Aritomi
- Research Area for Pharmacological Evaluation, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Youko Furue
- Research Area for Pharmacological Evaluation, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Hiroki Chiba
- Research Area for Pharmacological Evaluation, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Mami Muramoto
- Research Area for Pharmacological Evaluation, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Kenji Takase
- Laboratory for Drug Discovery and Disease Research, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Katsumi Koike
- Laboratory for Drug Discovery and Disease Research, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Tomoko Matsumoto
- Research Area for Candidate Selection, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Tomoka Shimada
- Research Area for Candidate Selection, Shionogi TechnoAdvance Research Co., Ltd, 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Ryosuke Watari
- Laboratory for Drug Discovery and Development, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Takanobu Matsuzaki
- Laboratory for Drug Discovery and Development, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Toshiyuki Asaki
- Laboratory for Drug Discovery and Disease Research, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Toshiyuki Kanemasa
- Laboratory for Drug Discovery and Disease Research, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan
| | - Masahide Fujita
- Laboratory for Drug Discovery and Disease Research, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, 561-0825, Osaka, Japan.
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Collins D, Zhang Y, Blendy J, Kreek MJ. Murine model of OPRM1 A118G alters oxycodone self-administration and locomotor activation, but not conditioned place preference. Neuropharmacology 2020; 167:107864. [DOI: 10.1016/j.neuropharm.2019.107864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 11/03/2019] [Accepted: 11/24/2019] [Indexed: 12/18/2022]
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Emery MA, Eitan S. Drug-specific differences in the ability of opioids to manage burn pain. Burns 2019; 46:503-513. [PMID: 31859093 DOI: 10.1016/j.burns.2019.03.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 03/04/2019] [Accepted: 03/30/2019] [Indexed: 12/17/2022]
Abstract
Burn injury pain is a significant public health problem. Burn injury treatment has improved tremendously in recent decades. However, an unintended consequence is that a larger number of patients now survive more severe injuries, and face intense pain that is very hard to treat. Although many efforts have been made to find alternative treatments, opioids remain the most effective medication available. Burn patients are frequently prescribed opioids in doses and durations that are significantly higher and longer than standard analgesic dosing guidelines. Despite this, many continue to experience unrelieved pain. They are also placed at a higher risk for developing dependence and opioid use disorder. Burn injury profoundly alters the functional state of the immune system. It also alters the expression levels of receptor, effector, and signaling molecules within the spinal cord's dorsal horn. These alterations could explain the reduced potency of opioids. However, recent studies demonstrate that different opioids signal preferentially via differential signaling pathways. This ligand-specific signaling by different opioids implies that burn injury may reduce the antinociceptive potency of opioids to different degrees, in a drug-specific manner. Indeed, recent findings hint at drug-specific differences in the ability of opioids to manage burn pain early after injury, as well as differences in their ability to prevent or treat the development of chronic and neuropathic pain. Here we review the current state of opioid treatment, as well as new findings that could potentially lead to opioid-based pain management strategies that may be significantly more effective than the current solutions.
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Affiliation(s)
- Michael A Emery
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA; Interdisciplinary Program in Neuroscience, Texas A&M Institute for Neuroscience (TAMIN), USA
| | - Shoshana Eitan
- Behavioral and Cellular Neuroscience, Department of Psychological and Brain Sciences, Texas A&M University, 4235 TAMU, College Station, TX 77843, USA; Interdisciplinary Program in Neuroscience, Texas A&M Institute for Neuroscience (TAMIN), USA.
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15
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Liu B, Liu Y, Li N, Zhang J, Zhang X. Oxycodone regulates incision-induced activation of neurotrophic factors and receptors in an acute post-surgery pain rat model. J Pain Res 2018; 11:2663-2674. [PMID: 30464584 PMCID: PMC6214342 DOI: 10.2147/jpr.s180396] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Background Oxycodone, which is one of the most commonly used opiates in postoperative pain management, has a different affinity for μ-opioid receptors (MOR), κ-opioid receptors (KOR), and δ-opioid receptors (DOR). Accumulating research has suggested that neurotrophins (NTs) are involved in opioid analgesia. In the current exploratory study, we aimed to investigate the underlying mechanisms of the analgesic effects of oxycodone on post-surgery pain in rats and to determine whether neurotrophic factors and receptors were involved in these effects. Methods Mechanical and thermal sensitivity tests were used to evaluate the validity of the postoperative pain rat model and to determine the analgesic effect of oxycodone. Quantitative PCR and Western blot analysis were used to detect the changes in the expression of three types of opioid receptors and NTs and their high-affinity receptors in the spinal cord after surgery and oxycodone administration. Results Oxycodone showed an analgesic effect on plantar incision (PI)-induced hyperalgesia, especially thermal hyperalgesia. We detected an obvious increase in MOR expression levels but insignificant changes in KOR and DOR levels in the spinal cord after PI. Moreover, we found that oxycodone was able to reverse the increased expression of nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), tyrosine kinase receptor (TrK) A, and TrkB and the decreased expression of NT-3 and TrkC, after PI. Pretreatment with oxycodone also altered the expression of these mediators. Conclusion Based on the results, possible underlying mechanisms for the antinociceptive properties of oxycodone in acute postoperative pain include the activation of MOR downstream signaling and the regulation of NTs and receptor expression through attenuation of glial activation and fortification of antinociceptive mediators in the spinal cord. This study may provide new insights into the molecular mechanisms underlying the analgesic action of oxycodone.
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Affiliation(s)
- Baowen Liu
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,
| | - Yi Liu
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,
| | - Ningbo Li
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,
| | - Jin Zhang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,
| | - Xianwei Zhang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China,
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16
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Anderson JC, Fritz ML, Benson JM, Tracy BL. Nerve Decompression and Restless Legs Syndrome: A Retrospective Analysis. Front Neurol 2017; 8:287. [PMID: 28729849 PMCID: PMC5498562 DOI: 10.3389/fneur.2017.00287] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 06/02/2017] [Indexed: 12/17/2022] Open
Abstract
Introduction Restless legs syndrome (RLS) is a prevalent sleep disorder affecting quality of life and is often comorbid with other neurological diseases, including peripheral neuropathy. The mechanisms related to RLS symptoms remain unclear, and treatment options are often aimed at symptom relief rather than etiology. RLS may present in distinct phenotypes often described as “primary” vs. “secondary” RLS. Secondary RLS is often associated with peripheral neuropathy. Nerve decompression surgery of the common and superficial fibular nerves is used to treat peripheral neuropathy. Anecdotally, surgeons sometimes report improved RLS symptoms following nerve decompression for peripheral neuropathy. The purpose of this retrospective analysis was to quantify the change in symptoms commonly associated with RLS using visual analog scales (VAS). Methods Forty-two patients completed VAS scales (0–10) for pain, burning, numbness, tingling, weakness, balance, tightness, aching, pulling, cramping, twitchy/jumpy, uneasy, creepy/crawly, and throbbing, both before and 15 weeks after surgical decompression. Results Subjects reported significant improvement among all VAS categories, except for “pulling” (P = 0.14). The change in VAS following surgery was negatively correlated with the pre-surgery VAS for both the summed VAS (r = −0.58, P < 0.001) and the individual VAS scores (all P < 0.01), such that patients who reported the worst symptoms before surgery exhibited relatively greater reductions in symptoms after surgery. Conclusion This is the first study to suggest improvement in RLS symptoms following surgical decompression of the common and superficial fibular nerves. Further investigation is needed to quantify improvement using RLS-specific metrics and sleep quality assessments.
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Affiliation(s)
- James C Anderson
- Anderson Podiatry Center for Nerve Pain, Fort Collins, CO, United States
| | - Megan L Fritz
- Anderson Podiatry Center for Nerve Pain, Fort Collins, CO, United States.,Neuromuscular Function Lab, Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, United States
| | | | - Brian L Tracy
- Neuromuscular Function Lab, Department of Health and Exercise Science, Colorado State University, Fort Collins, CO, United States
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Abstract
Oxycodone, a semisynthetic opioid analgesic, is widely used in clinical practice. Oxycodone and morphine seem to be equally effective and equipotent; however, morphine is 10 times more potent than oxycodone when given epidurally. This article provides an updated review of the basic pharmacology of oxycodone with a special focus on pharmacokinetic/pharmacodynamics properties. The controversy regarding oxycodone-mediated effects for visceral pain via agonism and the possible role of peripheral opioid analgesia are discussed in the present investigation in an attempt to propose a plausible explanation to the perplexing question of oxycodone analgesia.
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Affiliation(s)
- Xiulu Ruan
- Department of Anesthesiology, Louisiana State University Health Science Center, 1542 Tulane Avenue, New Orleans, LA 70112, USA.
| | - Ken F Mancuso
- Department of Anesthesiology, Louisiana State University Health Science Center, 1542 Tulane Avenue, New Orleans, LA 70112, USA
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Science Center, 1542 Tulane Avenue, New Orleans, LA 70112, USA
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18
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Emery MA, Shawn Bates M, Wellman PJ, Eitan S. Hydrocodone is More Effective than Morphine or Oxycodone in Suppressing the Development of Burn-Induced Mechanical Allodynia. PAIN MEDICINE 2017; 18:2170-2180. [DOI: 10.1093/pm/pnx050] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Hydrocodone, but Neither Morphine nor Oxycodone, Is Effective in Suppressing Burn-Induced Mechanical Allodynia in the Uninjured Foot Contralateral to the Burn. J Burn Care Res 2017; 38:319-326. [DOI: 10.1097/bcr.0000000000000517] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Nakamura A, Ono H, Ando A, Hinata M, Niidome K, Omachi S, Sakaguchi G, Shinohara S. Suppression of the acute upregulation of phosphorylated-extracellular regulated kinase in ventral tegmental area by a μ-opioid receptor agonist is related to resistance to rewarding effects in a mouse model of bone cancer. J Pharmacol Sci 2016; 133:9-17. [PMID: 28034513 DOI: 10.1016/j.jphs.2016.11.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2016] [Revised: 09/09/2016] [Accepted: 11/13/2016] [Indexed: 10/20/2022] Open
Abstract
We investigated the mechanisms underlying the suppression of the rewarding effects of opioids using the femur bone cancer (FBC) mouse model. The rewarding and antinociceptive effects of subcutaneously administered morphine and oxycodone in the FBC model mice were assessed using the conditioned place preference test and the von-Frey test. In FBC mice, antinociceptive doses of morphine (30 mg/kg) and oxycodone (5 mg/kg) did not produce the rewarding effects but excessive doses of morphine (300 mg/kg) and oxycodone (100 mg/kg) did. Western blot analyses revealed a transient and significant increase in phosphorylated-extracellular regulated kinase (p-ERK) levels in ventral tegmental area (VTA) 5 min after the administration of morphine in sham-group. Interestingly, in FBC group, a regular dose of morphine did not increase p-ERK levels but a high dose of morphine caused an increase in p-ERK level 5 min after administration. The rewarding effects of a regular dose of and a high dose of morphine in the sham-operation and FBC model, respectively, were significantly inhibited by the MEK inhibitor. The suppression of p-ERK might result in resistance to these rewarding effects under the conditions of bone cancer.
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Affiliation(s)
- Atsushi Nakamura
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan.
| | - Hiroko Ono
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan
| | - Azusa Ando
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan
| | - Mikie Hinata
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan
| | - Kazuki Niidome
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan
| | - Shigeki Omachi
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan
| | - Gaku Sakaguchi
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan
| | - Shunji Shinohara
- Pain & Neuroscience, Drug Discovery & Disease Research Laboratory, Shionogi & Co., Ltd., 1-1, 3-chome, Futaba-cho, Toyonaka, Osaka 561-0825, Japan
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Wang SF, Dong CG, Yang X, Yin JJ. Upregulation of (C-X-C motif) Ligand 13 (CXCL13) Attenuates Morphine Analgesia in Rats with Cancer-Induced Bone Pain. Med Sci Monit 2016; 22:4612-4622. [PMID: 27892451 PMCID: PMC5142588 DOI: 10.12659/msm.897702] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Background The aim of this study was to investigate the role of chemokine (C-X-C motif) ligand 13 (CXCL13) in morphine tolerance in rats with cancer-induced bone pain (CIBP). Material/Methods We established a rat CIBP model and a rat CIBP-morphine tolerance (BM) model. BM rats were intrathecally administered rmCXCL13, neutralizing anti-CXCL13, and normal saline, while the control group rats underwent a sham operation and were injected with normal saline. The morphine analgesia was assessed by measuring mechanical withdrawal threshold (MWT) and mechanical withdrawal duration (MWD) at various time points. The co-expressions of CXCL13 and NeuN were measured by immunofluorescence double-staining. CXCL13 protein and mRNA expressions were detected by Western blot and quantitative real-time polymerase chain reaction (RT-qPCR), respectively. Results Compared to the sham-operation (S) group, the BM group showed obviously decreased MWT and increased MWD on Day 9 after CIBP, but obviously increased MWT and decreased MWD on Day 3 after morphine administration; subsequently, the MWT was decreased and MWD was increased (all P<0.05). In comparison with the S+saline group, increased MWT and decreased MWD were observed in BM rats on Day 3 after anti-CXCL13 administration, and obviously decreased MWT and increased MWD were found in BM rats on Day 3 after rmCXCL13 administration (all P<0.05). Conclusions Up-regulated CXCL13 has a negative role in morphine analgesia in relief of CIBP, which may provide a new target for the management of CIBP.
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Affiliation(s)
- Shi-Feng Wang
- Department of Pathology, South Medical District of Linyi People's Hospital, Linyi, Shandong, China (mainland)
| | - Cheng-Gong Dong
- Department of Pathology, Yantaishan Hospital, Yantai, Shandong, China (mainland)
| | - Xue Yang
- Pediatric Rescue Room, Linyi People's Hospital, Linyi, Shandong, China (mainland)
| | - Jian-Jun Yin
- Health Management Center, Qingdao Hiser Medical Group, Qingdao, Shandong, China (mainland)
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Tian M, Jin L, Li R, Zhu S, Ji M, Li W. Comparison of oxycodone and morphine on the proliferation, apoptosis and expression of related molecules in the A549 human lung adenocarcinoma cell line. Exp Ther Med 2016; 12:559-566. [PMID: 27446244 PMCID: PMC4950733 DOI: 10.3892/etm.2016.3346] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 10/13/2015] [Indexed: 12/20/2022] Open
Abstract
The present study aimed to compare the effects of oxycodone and morphine hydrochloride on the proliferation, apoptosis and migration of A549 lung cancer cells. A549 human lung cancer cells were cultured in vitro and treated with oxycodone or morphine at various concentrations (10, 20 and 40 µg/ml). Cell migration was determined using a wound healing assay, whereas apoptosis was detected using flow cytometry. Reverse transcription quantitative-polymerase chain reaction was performed in order to assess the apoptosis-related gene expression levels, including p53, B-cell lymphoma (Bcl)-2 and Bcl-2-associated X protein (Bax). The levels of vascular endothelial growth factor (VEGF) and urokinase-type plasminogen activator (uPA) were detected using enzyme-linked immunosorbent assays. The expression levels of intercellular cell adhesion molecule (ICAM)-1 were determined by immunofluorescence. In the present study, oxycodone and morphine induced apoptosis in A549 lung cancer cells with similar potency; however, >20 µg/ml oxycodone was more effective at inhibiting cell proliferation (P<0.05) and migration (P<0.05), as compared with morphine at the same concentration. Oxycodone induced a dose-dependent increase in the expression levels of p53 and Bax apoptosis-related genes, whereas it decreased the gene expression levels of Bcl-2. Furthermore, oxycodone decreased, whereas morphine increased, the expression levels of ICAM-1 in a concentration-dependent manner. In addition, at 40 µg/ml, the expression levels of VEGF and uPA in the morphine group were significantly higher than those demonstrated in the oxycodone group (P<0.05). In conclusion, oxycodone was more effective in inhibiting the proliferation and migration of A549 lung cancer cells, as compared with morphine.
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Affiliation(s)
- Mi Tian
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Li Jin
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Renqi Li
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Sihai Zhu
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Muhuo Ji
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
| | - Weiyan Li
- Department of Anesthesiology, Jinling Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu 210002, P.R. China
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Yao P, Ding Y, Wang Z, Ma J, Hong T, Zhu Y, Li H, Pan S. Impacts of anti-nerve growth factor antibody on pain-related behaviors and expressions of opioid receptor in spinal dorsal horn and dorsal root ganglia of rats with cancer-induced bone pain. Mol Pain 2016; 12:12/0/1744806916644928. [PMID: 27118770 PMCID: PMC4955994 DOI: 10.1177/1744806916644928] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2015] [Accepted: 03/20/2016] [Indexed: 11/15/2022] Open
Abstract
Objective To investigate the impacts of anti-nerve growth factor antibody on pain-related behaviors and expressions of μ-opioid receptor in spinal dorsal horn and dorsal root ganglia of rats with cancer-induced bone pain. Methods The rats were randomly grouped and then injected with 10 μl of phosphate buffer saline or Walker256 tumor cells into the upper segment of left tibia. Thirteen days after the injection, the intrathecal catheterization was performed, followed by the injection of saline, anti-nerve growth factor, nerve growth factor, and naloxone twice a day. The pain ethological changes were measured at the set time points; the expression changes of μ-opioid receptor protein and mRNA in spinal dorsal horn and dorsal root ganglia were detected on the 18th day. Results After the tumor cells were injected into the tibia, hyperalgesia appeared and the expression of μ-opioid receptor protein and mRNA in spinal dorsal horn and dorsal root ganglia was increased, compared with the sham group; after intrathecally injected anti-nerve growth factor, the significant antinociceptive effects appeared, and the μ-opioid receptor expression was increased, compared with the cancer pain group; the μ-opioid receptor expressions in the other groups showed no statistical significance. The naloxone pretreatment could mostly inverse the antinociception effects of anti-nerve growth factor. Conclusions Anti-nerve growth factor could reduce hyperalgesia in the cancer-induced bone pain rats, and the antinociceptive effects were related with the upregulation of μ-opioid receptor.
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Affiliation(s)
- Peng Yao
- Department of Pain Management, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yuanyuan Ding
- Department of Pain Management, Shengjing Hospital of China Medical University, Shenyang, China
| | - Zhibin Wang
- Department of Pain Management, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jiaming Ma
- Department of Pain Management, Shengjing Hospital of China Medical University, Shenyang, China
| | - Tao Hong
- Department of Pain Management, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yongqiang Zhu
- Department of Pain Management, Shengjing Hospital of China Medical University, Shenyang, China
| | - Hongxi Li
- Department of Pain Management, Shengjing Hospital of China Medical University, Shenyang, China
| | - Shinong Pan
- Department of Radiology, Shengjing Hospital of China Medical University, Shenyang, China
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24
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Effect of estrogen on morphine- and oxycodone-induced antinociception in a female femur bone cancer pain model. Eur J Pharmacol 2016; 773:1-12. [DOI: 10.1016/j.ejphar.2016.01.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2015] [Revised: 12/08/2015] [Accepted: 01/19/2016] [Indexed: 12/24/2022]
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Emery MA, Bates MLS, Wellman PJ, Eitan S. Differential Effects of Oxycodone, Hydrocodone, and Morphine on Activation Levels of Signaling Molecules. PAIN MEDICINE 2015; 17:908-914. [PMID: 26349634 DOI: 10.1111/pme.12918] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
BACKGROUND Opioids alter the responses of D2-like dopamine receptors (D2DRs), known to be involved in the pathology of addiction and other mental illnesses. Importantly, our recent results demonstrated that various opioids differentially modulate the behavioral responses of D2DRs. OBJECTIVE To examine the effect of various opioids on striatal activation levels of Akt and ERK1/2, as well as the signaling responses of D2DRs following opioid exposure. METHODS Mice were pre-treated with 20 mg/kg morphine, hydrocodone, oxycodone, or saline for 6 days. Twenty-four hours later, mice were injected with vehicle or a D2/D3 receptor agonist, quinpirole. Thirty minutes later, dorsal striatum was collected and analyzed using Western blot. RESULTS In morphine-pretreated animals, baseline Akt activation level was unchanged, but was reduced in response to quinpirole. In contrast, baseline Akt activation levels were reduced in mice pretreated with hydrocodone and oxycodone, but were unchanged in response to quinpirole. In mice pretreated with all opioids, baseline ERK2 activation levels were unchanged and increased in response to quinpirole. However, quinpirole-induced ERK2 activation was significantly higher than drug naïve animals only in the morphine-pretreated mice. CONCLUSIONS Various opioids differentially modulate the baseline activation levels of signaling molecules, which in turn results in ligand-selective effects on the responses to a D2/D3 dopamine receptor agonist. This demonstrates a complex interplay between opioid receptors and D2DRs, and supports the notion that various opioids carry differential risks to the dopamine reward system. This information should be considered when prescribing opioid pain medication, to balance effectiveness with minimal risk.
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Affiliation(s)
- Michael A Emery
- Department of Psychology, Behavioral and Cellular Neuroscience Program, and the Interdisciplinary Program in Neuroscience, Texas A&M Institute for Neuroscience (TAMIN), Texas A&M University, 4235 TAMU, College Station, TX, USA
| | - M L Shawn Bates
- Department of Psychology, Behavioral and Cellular Neuroscience Program, and the Interdisciplinary Program in Neuroscience, Texas A&M Institute for Neuroscience (TAMIN), Texas A&M University, 4235 TAMU, College Station, TX, USA
| | - Paul J Wellman
- Department of Psychology, Behavioral and Cellular Neuroscience Program, and the Interdisciplinary Program in Neuroscience, Texas A&M Institute for Neuroscience (TAMIN), Texas A&M University, 4235 TAMU, College Station, TX, USA
| | - Shoshana Eitan
- Department of Psychology, Behavioral and Cellular Neuroscience Program, and the Interdisciplinary Program in Neuroscience, Texas A&M Institute for Neuroscience (TAMIN), Texas A&M University, 4235 TAMU, College Station, TX, USA
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26
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Jokinen V, Lilius T, Laitila J, Niemi M, Rauhala P, Kalso E. Pregabalin enhances the antinociceptive effect of oxycodone and morphine in thermal models of nociception in the rat without any pharmacokinetic interactions. Eur J Pain 2015; 20:297-306. [DOI: 10.1002/ejp.728] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2015] [Indexed: 12/26/2022]
Affiliation(s)
- V. Jokinen
- Department of Pharmacology; Faculty of Medicine; University of Helsinki; Finland
| | - T.O. Lilius
- Department of Pharmacology; Faculty of Medicine; University of Helsinki; Finland
| | - J. Laitila
- Department of Clinical Pharmacology; Faculty of Medicine; University of Helsinki; Finland
| | - M. Niemi
- Department of Clinical Pharmacology; Faculty of Medicine; University of Helsinki; Finland
- HUSLAB; Helsinki University Central Hospital; Finland
| | - P.V. Rauhala
- Department of Pharmacology; Faculty of Medicine; University of Helsinki; Finland
| | - E.A. Kalso
- Department of Pharmacology; Faculty of Medicine; University of Helsinki; Finland
- Department of Anaesthesia and Intensive Care Medicine; Pain Clinic; Helsinki University Central Hospital; Finland
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27
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Takasu K, Ogawa K, Nakamura A, Kanbara T, Ono H, Tomii T, Morioka Y, Hasegawa M, Shibasaki M, Mori T, Suzuki T, Sakaguchi G. Enhanced GABAergic synaptic transmission at VLPAG neurons and potent modulation by oxycodone in a bone cancer pain model. Br J Pharmacol 2015; 172:2148-64. [PMID: 25521524 PMCID: PMC4386988 DOI: 10.1111/bph.13039] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Revised: 11/29/2014] [Accepted: 12/09/2014] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND AND PURPOSE We demonstrated previously that oxycodone has potent antinociceptive effects at supraspinal sites. In this study, we investigated changes in neuronal function and antinociceptive mechanisms of oxycodone at ventrolateral periaqueductal gray (VLPAG) neurons, which are a major site of opioid action, in a femur bone cancer (FBC) model with bone cancer-related pain. EXPERIMENTAL APPROACH We characterized the supraspinal antinociceptive profiles of oxycodone and morphine on mechanical hypersensitivity in the FBC model. Based on the disinhibition mechanism underlying supraspinal opioid antinociception, the effects of oxycodone and morphine on GABAA receptor-mediated inhibitory postsynaptic currents (IPSCs) in VLPAG neurons were evaluated in slices from the FBC model. KEY RESULTS The supraspinal antinociceptive effects of oxycodone, but not morphine, were abolished by blocking G protein-gated inwardly rectifying potassium1 (Kir 3.1) channels. In slices from the FBC model, GABAergic synaptic transmission at VLPAG neurons was enhanced, as indicated by a leftward shift of the input-output relationship curve of evoked IPSCs, the increased paired-pulse facilitation and the enhancement of miniature IPSC frequency. Following treatment with oxycodone and morphine, IPSCs were reduced in the FBC model, and the inhibition of presynaptic GABA release by oxycodone, but not morphine was enhanced and dependent on Kir 3.1 channels. CONCLUSION AND IMPLICATIONS Our results demonstrate that Kir 3.1 channels are important for supraspinal antinociception and presynaptic GABA release inhibition by oxycodone in the FBC model. Enhanced GABAergic synaptic transmission at VLPAG neurons in the FBC model is an important site of supraspinal antinociception by oxycodone via Kir 3.1 channel activation.
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Affiliation(s)
- Keiko Takasu
- Pain and Neurology, Discovery Research Laboratory for Core Therapeutic Areas, Shionogi Co., Ltd., Toyonaka, Osaka, Japan
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Abstract
This paper is the thirty-sixth consecutive installment of the annual review of research concerning the endogenous opioid system. It summarizes papers published during 2013 that studied the behavioral effects of molecular, pharmacological and genetic manipulation of opioid peptides, opioid receptors, opioid agonists and opioid antagonists. The particular topics that continue to be covered include the molecular-biochemical effects and neurochemical localization studies of endogenous opioids and their receptors related to behavior, and the roles of these opioid peptides and receptors in pain and analgesia; stress and social status; tolerance and dependence; learning and memory; eating and drinking; alcohol and drugs of abuse; sexual activity and hormones, pregnancy, development and endocrinology; mental illness and mood; seizures and neurologic disorders; electrical-related activity and neurophysiology; general activity and locomotion; gastrointestinal, renal and hepatic functions; cardiovascular responses; respiration and thermoregulation; and immunological responses.
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Affiliation(s)
- Richard J Bodnar
- Department of Psychology and Neuropsychology Doctoral Sub-Program, Queens College, City University of New York, Flushing, NY 11367, United States.
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Kanbara T, Nakamura A, Takasu K, Ogawa K, Shibasaki M, Mori T, Suzuki T, Hasegawa M, Sakaguchi G, Kanemasa T. The contribution of Gi/o protein to opioid antinociception in an oxaliplatin-induced neuropathy rat model. J Pharmacol Sci 2014; 126:264-73. [PMID: 25346041 DOI: 10.1254/jphs.14133fp] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
Oxaliplatin is a chemotherapeutic agent that induces chronic refractory neuropathy. To determine whether opioids effectively relieve this chronic neuropathy, we investigated the efficacies of morphine, oxycodone, and fentanyl, and the mechanisms underlying opioid antinociception, in oxaliplatin-induced neuropathy in rats. Rats exhibited significant mechanical allodynia following 2 weeks of chronic oxaliplatin administration. Within the range of doses that did not induce sedation and/or muscle rigidity, morphine (3 mg/kg, subcutaneously, s.c.) and oxycodone (0.3-0.56 mg/kg, s.c.) completely reversed oxaliplatin-induced mechanical allodynia, whereas fentanyl (0.017-0.03 mg/kg, s.c.) showed partial antinociception. The antinociception of the optimal doses of morphine and oxycodone were completely inhibited by pertussis toxin (PTX; 0.5 μg/rat, i.c.v.), a Gi/o protein inhibitor, while the partial effect of fentanyl was not affected in the oxaliplatin model. In the [(35)S]-GTPγS binding assay, activation of μ-opioid receptor by fentanyl, but not by morphine or oxycodone, in the mediodorsal thalamus was significantly reduced in oxaliplatin-treated rats. These results indicate that the lower antinociceptive potency of fentanyl in the oxaliplatin model might in part result from the loss of PTX-sensitive Gi/o protein activation, and the degree of Gi/o protein activation might be related to the potency of antinociception by opioids in this model.
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Affiliation(s)
- Tomoe Kanbara
- Pain & Neurology, Discovery Research Laboratories, Shionogi & Co., Ltd., Japan
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30
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Abstract
There is some evidence for a partial opioid switching or an 'add on' approach to opioid dosing strategies. Preclinical and clinical findings suggest different activation profiles for the stimulation of the mu subtypes, raising the questions about what might occur with combinations of these substances. In the postoperative setting, it seems that the analgesic effect of the combination at equivalent doses is similar to that produced by the individual components, not adding particular advantages. However, adverse effects seem to be reduced with the combination of morphine/oxycodone, when given in doses equianalgesic to individual opioids. The reduction of opioid-induced postoperative adverse effects may have important clinical implications, given that adverse effects may prolong length of stay and hospitalization costs. Thus, in the acute postoperative setting, a reduction of adverse effects may be expected. In chronic pain, information is still in the infancy, but opioid combination therapy may have greater advantages in improving the opioid response. The possibility to clinically translate opioid combinations into practice, as demonstrated in some animal models, depends on a broad number of factors implicated in the pain process. More research is needed to better elucidate these issues in the near future.
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Affiliation(s)
- Sebastiano Mercadante
- Anesthesia and Intensive Care and Pain Relief and Palliative Care La Maddalena Cancer Center , Via san Lorenzo 312, 90145 Palermo , Italy +39 0916806521 ; +39 0916806110 ;
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Kanbara T, Nakamura A, Shibasaki M, Mori T, Suzuki T, Sakaguchi G, Kanemasa T. Morphine and oxycodone, but not fentanyl, exhibit antinociceptive effects mediated by G-protein inwardly rectifying potassium (GIRK) channels in an oxaliplatin-induced neuropathy rat model. Neurosci Lett 2014; 580:119-24. [DOI: 10.1016/j.neulet.2014.08.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Revised: 06/26/2014] [Accepted: 08/04/2014] [Indexed: 11/16/2022]
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Nakamura A, Fujita M, Ono H, Hongo Y, Kanbara T, Ogawa K, Morioka Y, Nishiyori A, Shibasaki M, Mori T, Suzuki T, Sakaguchi G, Kato A, Hasegawa M. G protein-gated inwardly rectifying potassium (KIR3) channels play a primary role in the antinociceptive effect of oxycodone, but not morphine, at supraspinal sites. Br J Pharmacol 2014; 171:253-64. [PMID: 24117458 DOI: 10.1111/bph.12441] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Revised: 09/17/2013] [Accepted: 09/25/2013] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND AND PURPOSE Oxycodone and morphine are μ-opioid receptor agonists prescribed to control moderate-to-severe pain. Previous studies suggested that these opioids exhibit different analgesic profiles. We hypothesized that distinct mechanisms mediate the differential effects of these two opioids and investigated the role of G protein-gated inwardly rectifying potassium (K(IR)3 also known as GIRK) channels in their antinociceptive effects. EXPERIMENTAL APPROACH Opioid-induced antinociceptive effects were assessed in mice, using the tail-flick test, by i.c.v. and intrathecal (i.t.) administration of morphine and oxycodone, alone and following inhibition of K(IR)3.1 channels with tertiapin-Q (30 pmol per mouse, i.c.v. and i.t.) and K(IR)3.1-specific siRNA. The antinociceptive effects of oxycodone and morphine were also examined after tertiapin-Q administration in the mouse femur bone cancer and neuropathic pain models. KEY RESULTS The antinociceptive effects of oxycodone, after both i.c.v. and i.t. administrations, were markedly attenuated by K(IR)3.1 channel inhibition. In contrast, the antinociceptive effects of i.c.v. morphine were unaffected, whereas those induced by i.t. morphine were attenuated, by K(IR)3.1 channel inhibition. In the two chronic pain models, the antinociceptive effects of s.c. oxycodone, but not morphine, were inhibited by supraspinal administration of tertiapin-Q. CONCLUSION AND IMPLICATIONS These results demonstrate that K(IR)3.1 channels play a primary role in the antinociceptive effects of oxycodone, but not those of morphine, at supraspinal sites and suggest that supraspinal K(IR)3.1 channels are responsible for the unique analgesic profile of oxycodone.
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Affiliation(s)
- Atsushi Nakamura
- Pain & Neurology, Medicinal Research Laboratories, Shionogi Co., Ltd., Osaka, Japan; Department of Toxicology, Hoshi University School of Pharmacy and Pharmaceutical Sciences, Tokyo, Japan
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Currie GL, Sena ES, Fallon MT, Macleod MR, Colvin LA. Using Animal Models to Understand Cancer Pain in Humans. Curr Pain Headache Rep 2014; 18:423. [DOI: 10.1007/s11916-014-0423-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Morita K, Shiraishi S, Motoyama N, Kitayama T, Kanematsu T, Uezono Y, Dohi T. Palliation of bone cancer pain by antagonists of platelet-activating factor receptors. PLoS One 2014; 9:e91746. [PMID: 24637403 PMCID: PMC3956712 DOI: 10.1371/journal.pone.0091746] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 02/14/2014] [Indexed: 11/22/2022] Open
Abstract
Bone cancer pain is the most severe among cancer pain and is often resistant to current analgesics. Thus, the development of novel analgesics effective at treating bone cancer pain are desired. Platelet-activating factor (PAF) receptor antagonists were recently demonstrated to have effective pain relieving effects on neuropathic pain in several animal models. The present study examined the pain relieving effect of PAF receptor antagonists on bone cancer pain using the femur bone cancer (FBC) model in mice. Animals were injected with osteolytic NCTC2472 cells into the tibia, and subsequently the effects of PAF receptor antagonists on pain behaviors were evaluated. Chemical structurally different type of antagonists, TCV-309, BN 50739 and WEB 2086 ameliorated the allodynia and improved pain behaviors such as guarding behavior and limb-use abnormalities in FBC model mice. The pain relieving effects of these antagonists were achieved with low doses and were long lasting. Blockade of spinal PAF receptors by intrathecal injection of TCV-309 and WEB 2086 or knockdown of the expression of spinal PAF receptor protein by intrathecal transfer of PAF receptor siRNA also produced a pain relieving effect. The amount of an inducible PAF synthesis enzyme, lysophosphatidylcholine acyltransferase 2 (LPCAT2) protein significantly increased in the spinal cord after transplantation of NCTC 2472 tumor cells into mouse tibia. The combination of morphine with PAF receptor antagonists develops marked enhancement of the analgesic effect against bone cancer pain without affecting morphine-induced constipation. Repeated administration of TCV-309 suppressed the appearance of pain behaviors and prolonged survival of FBC mice. The present results suggest that PAF receptor antagonists in combination with, or without, opioids may represent a new strategy for the treatment of persistent bone cancer pain and improve the quality of life of patients.
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Affiliation(s)
- Katsuya Morita
- Department of Pharmacology, Faculty of Nursing, Hiroshima Bunka Gakuen University, Hiroshima, Japan
- Cancer Pathophysiology, Division National Cancer Center Research Institute, Tokyo, Japan
- Department of Cell and Molecular Pharmacology, Division of Basic Life Science, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Seiji Shiraishi
- Cancer Pathophysiology, Division National Cancer Center Research Institute, Tokyo, Japan
| | - Naoyo Motoyama
- Cancer Pathophysiology, Division National Cancer Center Research Institute, Tokyo, Japan
- Department of Dental Science for Health Promotion, Division of Integrated Health Sciences, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Tomoya Kitayama
- Department of Cell and Molecular Pharmacology, Division of Basic Life Science, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Takashi Kanematsu
- Department of Cell and Molecular Pharmacology, Division of Basic Life Science, Institute of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Yasuhito Uezono
- Cancer Pathophysiology, Division National Cancer Center Research Institute, Tokyo, Japan
| | - Toshihiro Dohi
- Department of Pharmacotherapy, Pharmaceutical Sciences, Nihon Pharmaceutical University, Saitama, Japan
- * E-mail:
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35
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Thibault K, Calvino B, Rivals I, Marchand F, Dubacq S, McMahon SB, Pezet S. Molecular mechanisms underlying the enhanced analgesic effect of oxycodone compared to morphine in chemotherapy-induced neuropathic pain. PLoS One 2014; 9:e91297. [PMID: 24618941 PMCID: PMC3949760 DOI: 10.1371/journal.pone.0091297] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Accepted: 02/07/2014] [Indexed: 11/30/2022] Open
Abstract
Oxycodone is a μ-opioid receptor agonist, used for the treatment of a large variety of painful disorders. Several studies have reported that oxycodone is a more potent pain reliever than morphine, and that it improves the quality of life of patients. However, the neurobiological mechanisms underlying the therapeutic action of these two opioids are only partially understood. The aim of this study was to define the molecular changes underlying the long-lasting analgesic effects of oxycodone and morphine in an animal model of peripheral neuropathy induced by a chemotherapic agent, vincristine. Using a behavioural approach, we show that oxycodone maintains an optimal analgesic effect after chronic treatment, whereas the effect of morphine dies down. In addition, using DNA microarray technology on dorsal root ganglia, we provide evidence that the long-term analgesic effect of oxycodone is due to an up-regulation in GABAB receptor expression in sensory neurons. These receptors are transported to their central terminals within the dorsal horn, and subsequently reinforce a presynaptic inhibition, since only the long-lasting (and not acute) anti-hyperalgesic effect of oxycodone was abolished by intrathecal administration of a GABAB receptor antagonist; in contrast, the morphine effect was unaffected. Our study demonstrates that the GABAB receptor is functionally required for the alleviating effect of oxycodone in neuropathic pain condition, thus providing new insight into the molecular mechanisms underlying the sustained analgesic action of oxycodone.
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Affiliation(s)
- Karine Thibault
- Brain Plasticity Unit, ESPCI-ParisTech, Paris, France
- Centre National de la Recherche Scientifique, UMR 8249, Paris, France
- Neurorestoration Group, The Wolfson Centre for Age-Related Diseases, King's College London, London, United Kingdom
- * E-mail:
| | - Bernard Calvino
- Brain Plasticity Unit, ESPCI-ParisTech, Paris, France
- Centre National de la Recherche Scientifique, UMR 8249, Paris, France
| | - Isabelle Rivals
- Equipe de Statistique Appliquée, ESPCI-ParisTech, Paris, France
| | - Fabien Marchand
- Institut National de la Santé et de la Recherche Médicale, Unité 1107, NEURO-DOL, Clermont-Ferrand, France
- Clermont Université, Université d'Auvergne, Pharmacologie Fondamentale et Clinique de la Douleur, Clermont-Ferrand, France
| | - Sophie Dubacq
- Brain Plasticity Unit, ESPCI-ParisTech, Paris, France
- Centre National de la Recherche Scientifique, UMR 8249, Paris, France
| | - Stephen B. McMahon
- Neurorestoration Group, The Wolfson Centre for Age-Related Diseases, King's College London, London, United Kingdom
| | - Sophie Pezet
- Brain Plasticity Unit, ESPCI-ParisTech, Paris, France
- Centre National de la Recherche Scientifique, UMR 8249, Paris, France
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Ono H, Nakamura A, Kanbara T, Minami K, Shinohara S, Sakaguchi G, Kanemasa T. Effect of the Norepinephrine Transporter (NET) Inhibition on μ-Opioid Receptor (MOR)-Induced Anti-nociception in a Bone Cancer Pain Model. J Pharmacol Sci 2014; 125:264-73. [DOI: 10.1254/jphs.14081fp] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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37
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Olkkola KT, Kontinen VK, Saari TI, Kalso EA. Does the pharmacology of oxycodone justify its increasing use as an analgesic? Trends Pharmacol Sci 2013; 34:206-14. [PMID: 23465410 DOI: 10.1016/j.tips.2013.02.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2012] [Revised: 01/28/2013] [Accepted: 02/04/2013] [Indexed: 12/17/2022]
Abstract
Oxycodone is a semisynthetic opioid analgesic that is increasingly used for the treatment of acute, cancer, and chronic non-malignant pain. Oxycodone was synthesized in 1917 but its pharmacological properties were not thoroughly studied until recently. Oxycodone is a fairly selective μ-opioid receptor agonist, but there is a striking discrepancy between the relatively low binding potential and G protein activation by oxycodone and its analgesic efficacy. It has been claimed that this is because of active metabolites and enhanced passage to the central nervous system by active transport. We critically review studies on the basic pharmacology of oxycodone and on its pharmacokinetics and pharmacodynamics in humans. In particular, the role of pharmacogenomics and population pharmacokinetics in understanding the properties of oxycodone is discussed in detail. We compare oxycodone with morphine, the standard opioid in clinical use.
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Affiliation(s)
- Klaus T Olkkola
- Department of Anaesthesiology, Intensive Care, Emergency Care, and Pain Medicine, University of Turku and Turku University Hospital, P.O. Box 52 (Kiinamyllynkatu 4-8), FI-20520 Turku, Finland.
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