1
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Maximiano TKE, Carneiro JA, Fattori V, Verri WA. TRPV1: Receptor structure, activation, modulation and role in neuro-immune interactions and pain. Cell Calcium 2024; 119:102870. [PMID: 38531262 DOI: 10.1016/j.ceca.2024.102870] [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: 11/30/2023] [Revised: 03/06/2024] [Accepted: 03/06/2024] [Indexed: 03/28/2024]
Abstract
In the 1990s, the identification of a non-selective ion channel, especially responsive to capsaicin, revolutionized the studies of somatosensation and pain that were to follow. The TRPV1 channel is expressed mainly in neuronal cells, more specifically, in sensory neurons responsible for the perception of noxious stimuli. However, its presence has also been detected in other non-neuronal cells, such as immune cells, β- pancreatic cells, muscle cells and adipocytes. Activation of the channel occurs in response to a wide range of stimuli, such as noxious heat, low pH, gasses, toxins, endocannabinoids, lipid-derived endovanilloid, and chemical agents, such as capsaicin and resiniferatoxin. This activation results in an influx of cations through the channel pore, especially calcium. Intracellular calcium triggers different responses in sensory neurons. Dephosphorylation of the TRPV1 channel leads to its desensitization, which disrupts its function, while its phosphorylation increases the channel's sensitization and contributes to the channel's rehabilitation after desensitization. Kinases, phosphoinositides, and calmodulin are the main signaling pathways responsible for the channel's regulation. Thus, in this review we provide an overview of TRPV1 discovery, its tissue expression as well as on the mechanisms by which TRPV1 activation (directly or indirectly) induces pain in different disease models.
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Affiliation(s)
- Thaila Kawane Euflazio Maximiano
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Jessica Aparecida Carneiro
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil
| | - Victor Fattori
- Vascular Biology Program, Department of Surgery, Boston Children's Hospital-Harvard Medical School, Karp Research Building, 300 Longwood Ave, 02115, Boston, Massachusetts, United States.
| | - Waldiceu A Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Center of Biological Sciences, Londrina State University, Londrina, Paraná, Brazil.
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2
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Kim HS, Lee D, Shen S. Endoplasmic reticular stress as an emerging therapeutic target for chronic pain: a narrative review. Br J Anaesth 2024; 132:707-724. [PMID: 38378384 PMCID: PMC10925894 DOI: 10.1016/j.bja.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 12/11/2023] [Accepted: 01/05/2024] [Indexed: 02/22/2024] Open
Abstract
Chronic pain is a severely debilitating condition with enormous socioeconomic costs. Current treatment regimens with nonsteroidal anti-inflammatory drugs (NSAIDs), steroids, or opioids have been largely unsatisfactory with uncertain benefits or severe long-term side effects. This is mainly because chronic pain has a multifactorial aetiology. Although conventional pain medications can alleviate pain by keeping several dysfunctional pathways under control, they can mask other underlying pathological causes, ultimately worsening nerve pathologies and pain outcome. Recent preclinical studies have shown that endoplasmic reticulum (ER) stress could be a central hub for triggering multiple molecular cascades involved in the development of chronic pain. Several ER stress inhibitors and unfolded protein response modulators, which have been tested in randomised clinical trials or apprpoved by the US Food and Drug Administration for other chronic diseases, significantly alleviated hyperalgesia in multiple preclinical pain models. Although the role of ER stress in neurodegenerative disorders, metabolic disorders, and cancer has been well established, research on ER stress and chronic pain is still in its infancy. Here, we critically analyse preclinical studies and explore how ER stress can mechanistically act as a central node to drive development and progression of chronic pain. We also discuss therapeutic prospects, benefits, and pitfalls of using ER stress inhibitors and unfolded protein response modulators for managing intractable chronic pain. In the future, targeting ER stress to impact multiple molecular networks might be an attractive therapeutic strategy against chronic pain refractory to steroids, NSAIDs, or opioids. This novel therapeutic strategy could provide solutions for the opioid crisis and public health challenge.
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Affiliation(s)
- Harper S Kim
- Medical Scientist Training Program, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Donghwan Lee
- Department of Anesthesiology, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Shiqian Shen
- Department of Anesthesiology, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
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3
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Selim S, Albqmi M, Al-Sanea MM, Alnusaire TS, Almuhayawi MS, AbdElgawad H, Al Jaouni SK, Elkelish A, Hussein S, Warrad M, El-Saadony MT. Valorizing the usage of olive leaves, bioactive compounds, biological activities, and food applications: A comprehensive review. Front Nutr 2022; 9:1008349. [PMID: 36424930 PMCID: PMC9678927 DOI: 10.3389/fnut.2022.1008349] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 10/04/2022] [Indexed: 11/10/2022] Open
Abstract
Olive oil production is a significant source of economic profit for Mediterranean nations, accounting for around 98 percent of global output. Olive oil usage has increased dramatically in recent years, owing to its organoleptic characteristics and rising knowledge of its health advantages. The culture of olive trees and the manufacture of industrial and table olive oil produces enormous volumes of solid waste and dark liquid effluents, involving olive leaves, pomace, and olive oil mill wastewaters. These by-products cause an economic issue for manufacturers and pose major environmental concerns. As a result, partial reuse, like other agronomical production wastes, is a goal to be achieved. Because these by-products are high in bioactive chemicals, which, if isolated, might denote components with significant added value for the food, cosmetic, and nutraceutical sectors, indeed, they include significant amounts of beneficial organic acids, carbohydrates, proteins, fibers, and phenolic materials, which are distributed differently between the various wastes depending on the olive oil production method and table olive agronomical techniques. However, the extraction and recovery of bioactive materials from chosen by-products is a significant problem of their reasonable value, and rigorous detection and quantification are required. The primary aims of this review in this context are to outline the vital bioactive chemicals in olive by-products, evaluate the main developments in extraction, purification, and identification, and study their uses in food packaging systems and safety problems.
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Affiliation(s)
- Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
- Olive Research Center, Jouf University, Sakaka, Saudi Arabia
- *Correspondence: Samy Selim,
| | - Mha Albqmi
- Olive Research Center, Jouf University, Sakaka, Saudi Arabia
- Department of Chemistry, College of Science and Arts, Jouf University, Al Qurayyat, Saudi Arabia
| | - Mohammad M. Al-Sanea
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | | | - Mohammed S. Almuhayawi
- Department of Medical Microbiology and Parasitology, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Hamada AbdElgawad
- Department of Botany and Microbiology, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Soad K. Al Jaouni
- Department of Hematology and Oncology, Yousef Abdulatif Jameel Scientific Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Amr Elkelish
- Department of Botany and Microbiology, Faculty of Science, Suez Canal University, Ismailia, Egypt
| | - Shaimaa Hussein
- Department of Pharmacology, College of Pharmacy, Jouf University, Sakaka, Saudi Arabia
| | - Mona Warrad
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences at Al-Quriat, Jouf University, Al Qurayyat, Saudi Arabia
| | - Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
- Mohamed T. El-Saadony,
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4
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Bryant CD, Bagdas D, Goldberg LR, Khalefa T, Reed ER, Kirkpatrick SL, Kelliher JC, Chen MM, Johnson WE, Mulligan MK, Imad Damaj M. C57BL/6 substrain differences in inflammatory and neuropathic nociception and genetic mapping of a major quantitative trait locus underlying acute thermal nociception. Mol Pain 2019; 15:1744806918825046. [PMID: 30632432 PMCID: PMC6365993 DOI: 10.1177/1744806918825046] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Sensitivity to different pain modalities has a genetic basis that remains largely unknown. Employing closely related inbred mouse substrains can facilitate gene mapping of nociceptive behaviors in preclinical pain models. We previously reported enhanced sensitivity to acute thermal nociception in C57BL/6J (B6J) versus C57BL/6N (B6N) substrains. Here, we expanded on nociceptive phenotypes and observed an increase in formalin-induced inflammatory nociceptive behaviors and paw diameter in B6J versus B6N mice (Charles River Laboratories). No strain differences were observed in mechanical or thermal hypersensitivity or in edema following the Complete Freund’s Adjuvant model of inflammatory pain, indicating specificity in the inflammatory nociceptive stimulus. In the chronic constrictive nerve injury, a model of neuropathic pain, no strain differences were observed in baseline mechanical threshold or in mechanical hypersensitivity up to one month post-chronic constrictive nerve injury. We replicated the enhanced thermal nociception in the 52.5°C hot plate test in B6J versus B6N mice from The Jackson Laboratory. Using a B6J × B6N-F2 cross (N = 164), we mapped a major quantitative trait locus underlying hot plate sensitivity to chromosome 7 that peaked at 26 Mb (log of the odds [LOD] = 3.81, p < 0.01; 8.74 Mb-36.50 Mb) that was more pronounced in males. Genes containing expression quantitative trait loci associated with the peak nociceptive marker that are implicated in pain and inflammation include Ryr1, Cyp2a5, Pou2f2, Clip3, Sirt2, Actn4, and Ltbp4 (false discovery rate < 0.05). Future studies involving positional cloning and gene editing will determine the quantitative trait gene(s) and potential pleiotropy of this locus across pain modalities.
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Affiliation(s)
- Camron D Bryant
- 1 Laboratory of Addiction Genetics, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA.,2 Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - Deniz Bagdas
- 3 Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA.,4 Translational Research Initiative for Pain and Neuropathy, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA
| | - Lisa R Goldberg
- 1 Laboratory of Addiction Genetics, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA.,2 Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA.,5 Program in Biomolecular Pharmacology, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA
| | - Tala Khalefa
- 3 Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA.,4 Translational Research Initiative for Pain and Neuropathy, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA
| | - Eric R Reed
- 6 Department of Medicine, Computational Biomedicine, Bioinformatics Program, Boston University, Boston, MA, USA
| | - Stacey L Kirkpatrick
- 1 Laboratory of Addiction Genetics, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA.,2 Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - Julia C Kelliher
- 1 Laboratory of Addiction Genetics, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA.,2 Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - Melanie M Chen
- 1 Laboratory of Addiction Genetics, Department of Pharmacology and Experimental Therapeutics, Boston University School of Medicine, Boston, MA, USA.,2 Department of Psychiatry, Boston University School of Medicine, Boston, MA, USA
| | - William E Johnson
- 7 Department of Medicine, Computational Biomedicine, Boston University School of Medicine, Boston, MA, USA
| | - Megan K Mulligan
- 8 Department of Genetics, Genomics, and Informatics, University of Tennessee Health Science Center, Memphis, TN, USA
| | - M Imad Damaj
- 3 Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA.,4 Translational Research Initiative for Pain and Neuropathy, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA, USA
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5
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Monge-Fuentes V, Arenas C, Galante P, Gonçalves JC, Mortari MR, Schwartz EF. Arthropod toxins and their antinociceptive properties: From venoms to painkillers. Pharmacol Ther 2018; 188:176-185. [PMID: 29605457 DOI: 10.1016/j.pharmthera.2018.03.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The complex process of pain control commonly involves the use of systemic analgesics; however, in many cases, a more potent and effective polypharmacological approach is needed to promote clinically significant improvement. Additionally, considering side effects caused by current painkillers, drug discovery is once more turning to nature as a source of more efficient therapeutic alternatives. In this context, arthropod venoms contain a vast array of bioactive substances that have evolved to selectively bind to specific pharmacological targets involved in the pain signaling pathway, playing an important role as pain activators or modulators, the latter serving as promising analgesic agents. The current review explores how the pain pathway works and surveys neuroactive compounds obtained from arthropods' toxins, which function as pain modulators through their interaction with specific ion channels and membrane receptors, emerging as promising candidates for drug design and development.
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Affiliation(s)
- Victoria Monge-Fuentes
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília 70910-900, Brazil.
| | - Claudia Arenas
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília 70910-900, Brazil
| | - Priscilla Galante
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília 70910-900, Brazil
| | - Jacqueline Coimbra Gonçalves
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília 70910-900, Brazil
| | - Márcia Renata Mortari
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília 70910-900, Brazil
| | - Elisabeth Ferroni Schwartz
- Laboratory of Neuropharmacology, Department of Physiological Sciences, Institute of Biological Sciences, University of Brasília, Brasília 70910-900, Brazil
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6
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Pan X, Chen J, Wang W, Chen L, Wang L, Ma Q, Zhang J, Chen L, Wang G, Zhang M, Wu H, Cheng R. Resveratrol-induced antinociception is involved in calcium channels and calcium/caffeine-sensitive pools. Oncotarget 2018; 8:9399-9409. [PMID: 28030799 PMCID: PMC5354740 DOI: 10.18632/oncotarget.14090] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 12/15/2016] [Indexed: 11/25/2022] Open
Abstract
Resveratrol has been widely investigated for its potential health properties, although little is known about its mechanism in vivo. Previous studies have indicated that resveratrol produces antinociceptive effects in mice. Calcium channels and calcium/caffeine-sensitive pools are reported to be associated with analgesic effect. The present study was to explore the involvement of Ca2+ channel and calcium/caffeine-sensitive pools in the antinociceptive response of resveratrol. Tail-flick test was used to assess antinociception in mice treated with resveratrol or the combinations of resveratrol with MK 801, nimodipine, CaCl2, ryanodine and ethylene glycol tetraacetic acid (EGTA), respectively. The Ca2+/calmodulin-dependent protein kinase II (CaMKII) and brain-derived neurotrophic factor (BDNF) levels in the spinal cord were also investigated when treated with the above drugs. The results showed that resveratrol increased the tail flick latency in the tail-flick test, in dose-dependent manner. N-methyl-D-aspartate (NMDA) glutamate receptor antagonist MK 801 potentiated the antinociceptive effects of sub-threshold dose of resveratrol at 10 mg/kg. Ca2+ channel blocker, however, abolished the antinociceptive effects of resveratrol. In contrast to these results, EGTA or ryanodine treatment (i.c.v.) potentiated resveratrol-induced antinociception. There was a significant decrease in p-CaMKII and an increase in BDNF expression in the spinal cord when combined with MK 801, nimodipine, ryanodine and EGTA. While an increase in p-CaMKII level and a decrease in BDNF expression were observed when high dose of resveratrol combined with CaCl2. These findings suggest that resveratrol exhibits the antinociceptive effects by inhibition of calcium channels and calcium/caffeine-sensitive pools.
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Affiliation(s)
- Xiaoyu Pan
- Department of Thyroid Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Jiechun Chen
- Department of Neurology, Lianyungang second people's Hospital, Lianyungang, Jiangsu Province, China
| | - Weijie Wang
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, China
| | - Ling Chen
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, China
| | - Lin Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, China
| | - Quan Ma
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, State University of New York at Buffalo, Buffalo, NY
| | - Jianbo Zhang
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Lichao Chen
- Pingyang Hospital of Traditional Chinese Medicine, Pingyang, Zhejiang Province, China
| | - Gang Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, China
| | - Meixi Zhang
- Pingyang Hospital of Traditional Chinese Medicine, Pingyang, Zhejiang Province, China
| | - Hao Wu
- Department of Neurology, Wenzhou People's Hospital, Wenzhou, Zhejiang Province, China
| | - Ruochuan Cheng
- Department of Thyroid Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
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7
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Wang W, Yu Y, Li J, Wang L, Li Z, Zhang C, Zhen L, Ding L, Wang G, Sun X, Xu Y. The analgesic effect of trans-resveratrol is regulated by calcium channels in the hippocampus of mice. Metab Brain Dis 2017; 32:1311-1321. [PMID: 28608248 DOI: 10.1007/s11011-017-0033-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 05/11/2017] [Indexed: 10/19/2022]
Abstract
Resveratrol has been widely studied in terms of it's potential to slow the progression of many diseases. But little is known about the mechanism of action in neuropathic pain. Neuropathic pain is the main type of chronic pain associated with tissue injury. Calcium channels and calcium/caffeine-sensitive pools are associated with analgesic pathway involving neuropathic pain. Our previous study suggested that the antinociceptive effect of resveratrol was involved in Ca2+/calmodulin-dependent signaling in the spinal cord of mice. The aim of this study was to explore the involvement of Ca2+ in analgesic effects of trans-resveratrol in neuropathic pain and signal pathway in hippocampus. Hot plate test was used to assess antinociceptive response when mice were treated with trans-resveratrol alone or in combination with Mk 801, nimodipine, CaCl2, ryanodine or EGTA. The effects of trans-resveratrol and the combination on Ca2+/calmodulin-dependent protein kinase II (CaMKII) and BDNF (brain-derived neurotrophic factor) expression in hippocampus were also investigated. The results showed that trans-resveratrol increased paw withdraw latency in the hot plate test. The effect of resveratrol was enhanced by Mk 801 and nimodipine. Central administration of Ca2+, however, abolished the antinociceptive effects of resveratrol. In contrast, centrally administered EGTA or ryanodine improved trans-resveratrol induced antinociception. There was a significant increase in p-CaMKII and BDNF expression in the hippocampus when resveratrol were combined with Mk 801, nimodipine, ryanodine and EGTA. Administration of CaCl2 blocked changes in p-CaMKII and BDNF levels in the hippocampus. These findings suggest that trans-resveratrol exerts the effects of antinociception through regulation of calcium channels and calcium/caffeine-sensitive pools.
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Affiliation(s)
- Weijie Wang
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Yingcong Yu
- Department of Gastroenterology, Wenzhou People's Hospital, Wenzhou No. 3 Clinical Institute affiliated to Wenzhou Medical University, Wenzhou, Zhejiang Province, 325000, China
| | - Jing Li
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, 266003, China
| | - Lin Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, 310006, China
| | - Zhi Li
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
- Department of Thyroid Gland and Breast Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Chong Zhang
- Department of Thyroid Gland and Breast Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Linlin Zhen
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Lianshu Ding
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Gang Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, 310006, China
| | - Xiaoyang Sun
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China.
| | - Ying Xu
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, The State University of New York at Buffalo, Buffalo, NY, 14214, USA.
- Department of Thyroid Gland and Breast Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China.
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8
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Kim WM, Yoon MH, Cui JH. Role of PKG-L-type calcium channels in the antinociceptive effect of intrathecal sildenafil. J Vet Sci 2011; 11:103-6. [PMID: 20458149 PMCID: PMC2873808 DOI: 10.4142/jvs.2010.11.2.103] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Sildenafil increases the cyclic guanosine monophosphate (cGMP) by inhibition of a phosphodiesterase 5, thereby leading to an antinociceptive effect. The increased cGMP may exert the effect on an L-type calcium channel through the activation of protein kinase G (PKG). The purpose of this study was to examine the possible involvement of a PKG-L-type calcium channel on the effect of sildenafil at the spinal level. Catheters were inserted into the intrathecal space of male SD rats. Pain was induced by applying 50 µL of a 5% formalin solution to the hindpaw. The sildenafil-induced effect was examined after an intrathecal pretreatment of a PKG inhibitor (KT 5823), or a L-type calcium channel activator (FPL 64176). Intrathecal sildenafil produced an antinociceptive effect during phase 1 (0~10 min interval) and phase 2 (10~60 min interval) in the formalin test. Intrathecal KT 5823 and FPL 64176 attenuated the antinociceptive effect of sildenafil during both phases. Sildenafil is effective against both acute pain and the facilitated pain state at the spinal level. In addition, the inhibition of an L-type calcium channel by activation of the PKG may contribute to the antinocieptive mechanism of sildenafil in the spinal cord.
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Affiliation(s)
- Woong Mo Kim
- Department of Anesthesiology and Pain Medicine, Medical School, Chonnam National University, Gwangju 501-746, Korea
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9
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Sepahvand R, Esmaeili-Mahani S, Arzi A, Rasoulian B, Abbasnejad M. Ginger (Zingiber officinale Roscoe) elicits antinociceptive properties and potentiates morphine-induced analgesia in the rat radiant heat tail-flick test. J Med Food 2010; 13:1397-401. [PMID: 21091253 DOI: 10.1089/jmf.2010.1043] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Ginger (Zingiber officinale Roscoe), a well-known spice plant, has been used traditionally in the treatment of a wide variety of ailments. It has been shown that ginger is a calcium channel blocker; however, its influence on morphine analgesic effects has not been elucidated. We examined the effect of ginger root extract on nociceptive threshold and morphine-induced analgesia in male Wistar rats. To determine the effect of ginger on morphine analgesia, ginger extract (200, 400, and 600 mg/kg i.p.) was injected before a subeffective dose of morphine (2.5 mg/kg i.p.). The radiant heat tail-flick test was used to assess the nociceptive threshold before and at different times after drug administration. Our results showed that ginger extract elicited a significant antinociceptive effect. In addition, in groups that received both morphine and ginger, the observed analgesia was higher than that in groups treated with either morphine or ginger extract alone. Thus, the data indicate that ginger extract has a beneficial influence on morphine analgesia and can be an efficacious adjunct for pain management.
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Affiliation(s)
- Reza Sepahvand
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khoramabad, Iran.
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10
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Esmaeili-Mahani S, Rezaeezadeh-Roukerd M, Esmaeilpour K, Abbasnejad M, Rasoulian B, Sheibani V, Kaeidi A, Hajializadeh Z. Olive (Olea europaea L.) leaf extract elicits antinociceptive activity, potentiates morphine analgesia and suppresses morphine hyperalgesia in rats. JOURNAL OF ETHNOPHARMACOLOGY 2010; 132:200-205. [PMID: 20713147 DOI: 10.1016/j.jep.2010.08.013] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Revised: 07/19/2010] [Accepted: 08/09/2010] [Indexed: 05/29/2023]
Abstract
AIM OF THE STUDY Olive (Olea europaea) leaves are used as anti-rheumatic, anti-inflammatory, antinociceptive, antipyretic, vasodilatory, hypotensive, antidiuretic and hypoglycemic agents in traditional medicine. Recently, it has been shown that olive leaf extract (OLE) has calcium channel blocker property; however, its influences on nociceptive threshold and morphine effects have not yet been clarified. MATERIALS AND METHODS All experiments were carried out on male Wistar rats. The tail-flick, hot-plate and formalin tests were used to assess the effect of OLE on nociceptive threshold. To determine the effect of OLE on analgesic and hyperalgesic effects of morphine, OLE (6, 12 and 25 mg/kg i.p.) that had no significant nociceptive effect, was injected concomitant with morphine (5 mg/kg and 1 μg/kg i.p., respectively). The tail-flick test was used to assess the effect of OLE on anti- and pro-nociceptive effects of morphine. RESULTS The data showed that OLE (50-200 mg/kg i.p.) could produce dose-dependent analgesic effect on tail-flick and hot-plate tests. Administration of 200 mg/kg OLE (i.p.) caused significant decrease in pain responses in the first and the second phases of formalin test. In addition, OLE could potentiate the antinociceptive effect of 5 mg/kg morphine and block low-dose morphine-induced hyperalgesia. CONCLUSION Our results indicate that olive leaf extract has analgesic property in several models of pain and useful influence on morphine analgesia in rats. Therefore, it can be used for the treatment and/or management of painful conditions.
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Affiliation(s)
- Saeed Esmaeili-Mahani
- Department of Biology, Faculty of Sciences, Shahid Bahonar University of Kerman, Kerman, Iran.
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11
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Dolatshahi-somehsofla M, Esmaeili-Mahani S, Motamedi F, Haeri A, Ahmadiani A. Adrenalectomy potentiates the antinociceptive effects of calcium channel blockers. Pharmacol Biochem Behav 2009; 92:327-34. [DOI: 10.1016/j.pbb.2008.12.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/17/2008] [Revised: 12/21/2008] [Accepted: 12/28/2008] [Indexed: 10/21/2022]
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12
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Galeotti N, Quattrone A, Vivoli E, Norcini M, Bartolini A, Ghelardini C. Different involvement of type 1, 2, and 3 ryanodine receptors in memory processes. Learn Mem 2008; 15:315-23. [PMID: 18441289 DOI: 10.1101/lm.929008] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
The administration of the ryanodine receptor (RyR) agonist 4-Cmc (0.003-9 nmol per mouse intracerebroventricularly [i.c.v.]) ameliorated memory functions, whereas the RyR antagonist ryanodine (0.0001-1 nmol per mouse i.c.v.) induced amnesia in the mouse passive avoidance test. The role of the type 1, 2, and 3 RyR isoforms in memory processes was then evaluated by inhibiting the expression of the three RyR proteins in the mouse brain. A selective knockdown of the RyR isoforms was obtained by the i.c.v. administration of antisense oligonucleotides (aODNs) complementary to the sequence of RyR1, RyR2 and RyR3 proteins, as demonstrated by immunoblotting experiments. RyR1 (5-9 nmol per mouse i.c.v.) knockdown mice did not show any memory dysfunction. Conversely, RyR2 (1-7 nmol per mouse i.c.v.) and RyR3 (1-7 nmol per mouse i.c.v.) knockdown animals showed an impairment of memory processes. This detrimental effect was temporary and reversible, disappearing 7 d after the end of the aODN treatment. At the highest effective doses, none of the compounds used impaired motor coordination, as revealed by the rota rod test, nor modified spontaneous mobility and inspection activity, as revealed by the hole-board test. In conclusion, the lack of any involvement of cerebral RyR1 was demonstrated. These findings also showed the involvement of type 2 and type 3 RyR in the modulation of memory functions identifying these cerebral RyR isoforms as critical targets underlying memory processes.
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Affiliation(s)
- Nicoletta Galeotti
- Department of Preclinical and Clinical Pharmacology, University of Florence, I-50139 Florence, Italy.
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13
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Di Lorenzo C, Sances G, Di Lorenzo G, Rengo C, Ghiotto N, Guaschino E, Perrotta A, Santorelli FM, Grieco GS, Troisi A, Siracusano A, Pierelli F, Nappi G, Casali C. The wolframin His611Arg polymorphism influences medication overuse headache. Neurosci Lett 2007; 424:179-84. [PMID: 17719176 DOI: 10.1016/j.neulet.2007.07.037] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2007] [Revised: 07/27/2007] [Accepted: 07/27/2007] [Indexed: 11/20/2022]
Abstract
Homozygosis for wolframin (WFS1) mutations determines Wolfram syndrome (WS), and common polymorphisms of WFS1 are associated with psychiatric illnesses and dependence behaviour. To test the influence of WFS1 polymorphisms on medication overuse headache (MOH), a chronic headache condition related to symptomatic drugs overuse, we analyzed 82 MOH patients for the WFS1 His611Arg polymorphism, and performed a comparison between clinical features of Arg/Arg (R/R) and non-R/R individuals. Individuals harbouring the R/R genotype showed significantly higher monthly drug consumption (t=-3.504; p=0.00075) and more severe depressive symptoms on the BDI questionnaire (t=-3.048; p=0.003) than non-R/R. WFS1 polymorphism emerged as the only significant predictor of drug consumption, at the multivariate regression analysis (F=12.277; d.f.=1,80; p=0.00075, adjusted R2=0.122). These results implicate WFS1 in the clinical picture of MOH, may be through an influence on need for drugs as in other conditions of abuse behaviour.
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Affiliation(s)
- C Di Lorenzo
- Department of Neurology and ORL, University Center for Adaptive Disorders and Headache (UCADH), University of Rome La Sapienza, Polo Pontino, Latina, Italy.
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14
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Chen J, Feng XH, Shi J, Tan ZY, Bai ZT, Liu T, Ji YH. The anti-nociceptive effect of BmK AS, a scorpion active polypeptide, and the possible mechanism on specifically modulating voltage-gated Na+ currents in primary afferent neurons. Peptides 2006; 27:2182-92. [PMID: 16716457 DOI: 10.1016/j.peptides.2006.03.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2006] [Revised: 03/28/2006] [Accepted: 03/29/2006] [Indexed: 11/26/2022]
Abstract
In the present study, we investigated the anti-nociceptive effect and the underlying mechanism of BmK AS, an active peptide purified from scorpion Buthus martensi Karsch. The results showed that BmK AS can significantly relieve formalin-induced two-phase spontaneous flinching response and carrageenan-induced mechanical hyperalgesia. Using the whole-cell patch-clamp recording, exposure of acutely isolated sensory neurons to 500 nM BmK AS produced a one-fold decrease in the number of action potentials (APs) evoked by a ramp of depolarizing current. To investigate the mechanism of action of BmK AS, isolated membrane current and Ca2+ influx on rat primary sensory neurons were examined. BmK AS produced insignificant effect on voltage-dependent I(K) and KCl or caffeine-induced Ca2+ influx, but caused remarkable suppressive effect on tetrodotoxin-resistant (TTX-R) and tetrodotoxin-sensitive (TTX-S) I(Na). Further experiments showed that BmK AS reduced the peak TTX-R and TTX-S Na+ conductance in a dose-dependent manner, prompted the voltage-dependent activation, and caused a negative shift of the steady-state inactivation of TTX-R and TTX-S I(Na). Thus, the present results indicate the anti-nociceptive response of BmK AS may be ascribed to its specific modulation of voltage-gated Na+ channels of sensory neurons.
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Affiliation(s)
- Jin Chen
- Graduate School of the Chinese Academy of Sciences, Institute of Physiology, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, 320 Yue-Yang Road, Shanghai 200031, PR China
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15
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Esmaeili Mahani S, Vahedi S, Motamedi F, Pourshanazari A, Khaksari M, Ahmadiani A. Nifedipine potentiates antinociceptive effects of morphine in rats by decreasing hypothalamic pituitary adrenal axis activity. Pharmacol Biochem Behav 2005; 82:17-23. [PMID: 16111739 DOI: 10.1016/j.pbb.2005.07.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2005] [Revised: 06/30/2005] [Accepted: 07/07/2005] [Indexed: 11/16/2022]
Abstract
It has been shown that nifedipine, as a calcium channel blocker can potentiate the antinociceptive effect of morphine; however, the role of Hypothalamic-Pituitary-Adrenal (HPA) axis on this action has not been elucidated. We examined the effect of nifedipine on morphine-induced analgesia in intact and adrenalectomized (ADX) rats and on HPA activity induced by morphine. To determine the effect of nifedipine on morphine analgesia, nifedipine (2 mg/kg i.p.) that had no antinociceptive effect, was injected concomitant with sub-effective dose of morphine (1 and 2 mg/kg). The tail-flick test was used to assess the nociceptive threshold, before and 15, 30, 60, 90, 120 and 180 min after drug administration. Our results showed that, nifedipine could potentiate the antinociceptive effect of morphine and this effect of nifedipine in ADX was greater than sham operated rats which, was reversed by corticosterone replacement. Nifedipine has an inhibitory effect on morphine -induced corticosterone secretion. Thus, the data indicate that the mechanism underlying the potentiation of morphine analgesia by nifedipine involves mediation, at least in part, by attenuating the effect of morphine on HPA axis.
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Affiliation(s)
- Saeed Esmaeili Mahani
- Department of Physiology & Pharmacology, Neuroscience Research Center, Shahid Beheshti University of Medical Sciences, P.O. Box: 19835-355, Tehran, Iran
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