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Sharifi Razavi A, Mohajerani F, Niksolat F, Karimi N. Efficacy of topical curcumin on mild to moderate carpal tunnel syndrome: a randomized double-blind, placebo-controlled clinical trial. PAIN MEDICINE (MALDEN, MASS.) 2024; 25:327-333. [PMID: 38281082 DOI: 10.1093/pm/pnae001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 12/12/2023] [Accepted: 12/21/2023] [Indexed: 01/29/2024]
Abstract
OBJECTIVES Recently, there has been a renewed interest in traditional medicine for carpal tunnel syndrome (CTS). Curcumin has been reported as an agent with antioxidant, anti-inflammatory, analgesic, and neuroprotective attributes. This study is one of the first investigations to assess the effect of curcumin gel on CTS. METHODS This study is a prospective, 8-week, randomized, placebo-controlled, parallel-group clinical trial. A total of 70 patients with CTS were analyzed. The intervention group (n = 35) received a topical curcumin gel and a night wrist splint and the control group (n = 35) received a placebo gel and a night wrist splint for 8 weeks. The primary outcome was the assessment of the symptom severity scale (SSS) and functional status scale (FSS) of the participants using the Boston Carpal Tunnel Questionnaire (BCTQ) after 8 weeks. In addition, all participants were evaluated by electrodiagnostic (EDX) test at baseline and after 8 weeks. RESULTS The mean scores of SSS demonstrated a significant decrease in the curcumin group compared to the placebo group; P-value= 0.021. The mean change score of SSS after the intervention was 12.45 ± 8.18 in curcumin and 3.28 ± 7.06 in the placebo group; P-value = 0.0001 and the mean change score of FSS were 6.24 ± 4.91 and 2.31 ± 4.95 in curcumin and placebo groups, respectively; P-value = 0.002. However, the EDX study showed no significant changes in both groups. CONCLUSIONS It seems that curcumin gel could be effective in the improvement of the symptom severity and daily activity of patients with CTS.
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Affiliation(s)
- Athena Sharifi Razavi
- Department of Neurology, Clinical Research Development Unit of Bou Ali Sina Hospital, Mazandaran University of Medical Sciences, Sari, 4815838477, Iran
| | - Fatemeh Mohajerani
- School of Medicine, Clinical Research Development Unit of Bou Ali Sina Hospital, Mazandaran University of Medical Sciences, Sari, 4815838477, Iran
| | - Fatemeh Niksolat
- Department of Internal Medicine and Rheumatology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, 4816633131, Iran
| | - Narges Karimi
- Department of Neurology, Immunogenetics Research Center, Mazandaran University of Medical Sciences, Sari, 4815838477, Iran
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2
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Guo W, Zhang J, Feng Y. Treatment of neuropathic pain by traditional Chinese medicine: An updated review on their effect and putative mechanisms of action. Phytother Res 2024. [PMID: 38600617 DOI: 10.1002/ptr.8180] [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: 10/27/2023] [Revised: 02/02/2024] [Accepted: 02/19/2024] [Indexed: 04/12/2024]
Abstract
Neuropathic pain (NP) is a common chronic pain with heterogeneous clinical features, and consequent lowering of quality of life. Currently, although conventional chemical drugs can effectively manage NP symptoms in the short term, their long-term efficacy is limited, and they come with significant side effects. In this regard, traditional Chinese medicine (TCM) provides a promising avenue for treating NP. Numerous pharmacological and clinical studies have substantiated the effectiveness of TCM with multiple targets and mechanisms. We aimed to outline the characteristics of TCM, including compound prescriptions, single Chinese herbs, active ingredients, and TCM physical therapy, for NP treatment and discussed their efficacy by analyzing the pathogenesis of NP. Various databases, such as PubMed, Web of Science, China National Knowledge Infrastructure, and Wanfang database, were searched. We focused on recent research progress in NP treatment by TCM. Finally, we proposed the future challenges and emerging trends in the treatment of NP. TCM demonstrates significant clinical efficacy in NP treatment, employing multi-mechanisms. Drawing from the theory of syndrome differentiation, four types of dialectical treatments for NP by compound TCM prescriptions were introduced: promoting blood circulation and removing blood stasis; promoting blood circulation and promote Qi flow; warming Yang and benefiting Qi; soothing the liver and regulating Qi. Meanwhile, 33 single Chinese herbs and 25 active ingredients were included. In addition, TCM physical therapy (e.g., acupuncture, massage, acupoint injection, and fumigation) also showed good efficacy in NP treatment. TCM, particularly through the use of compound prescriptions and acupuncture, holds bright prospects in treating NP owing to its diverse holistic effects. Nonetheless, the multi-targets of TCM may result in possible disadvantages to NP treatment, and the pharmacological mechanisms of TCM need further evaluation. Here, we provide an overview of NP treatment via TCM, based on the pathogenesis and the potential therapeutic mechanisms, thus providing a reference for further studies.
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Affiliation(s)
- Wenjing Guo
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Jiquan Zhang
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Yi Feng
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
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3
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Posey KL. Curcumin and Resveratrol: Nutraceuticals with so Much Potential for Pseudoachondroplasia and Other ER-Stress Conditions. Biomolecules 2024; 14:154. [PMID: 38397390 PMCID: PMC10886985 DOI: 10.3390/biom14020154] [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: 12/18/2023] [Revised: 01/25/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
Natural products with health benefits, nutraceuticals, have shown considerable promise in many studies; however, this potential has yet to translate into widespread clinical use for any condition. Notably, many drugs currently on the market, including the first analgesic aspirin, are derived from plant extracts, emphasizing the historical significance of natural products in drug development. Curcumin and resveratrol, well-studied nutraceuticals, have excellent safety profiles with relatively mild side effects. Their long history of safe use and the natural origins of numerous drugs contrast with the unfavorable reputation associated with nutraceuticals. This review aims to explore the nutraceutical potential for treating pseudoachondroplasia, a rare dwarfing condition, by relating the mechanisms of action of curcumin and resveratrol to molecular pathology. Specifically, we will examine the curcumin and resveratrol mechanisms of action related to endoplasmic reticulum stress, inflammation, oxidative stress, cartilage health, and pain. Additionally, the barriers to the effective use of nutraceuticals will be discussed. These challenges include poor bioavailability, variations in content and purity that lead to inconsistent results in clinical trials, as well as prevailing perceptions among both the public and medical professionals. Addressing these hurdles is crucial to realizing the full therapeutic potential of nutraceuticals in the context of pseudoachondroplasia and other health conditions that might benefit.
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Affiliation(s)
- Karen L Posey
- Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston (UTHealth), Houston, TX 77030, USA
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4
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Ahmadzadeh AM, Pourali G, Mirheidari SB, Shirazinia M, Hamedi M, Mehri A, Amirbeik H, Saghebdoust S, Tayarani-Najaran Z, Sathyapalan T, Forouzanfar F, Sahebkar A. Medicinal Plants for the Treatment of Neuropathic Pain: A Review of Randomized Controlled Trials. Curr Pharm Biotechnol 2024; 25:534-562. [PMID: 37455451 DOI: 10.2174/1389201024666230714143538] [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: 12/24/2022] [Revised: 05/21/2023] [Accepted: 06/01/2023] [Indexed: 07/18/2023]
Abstract
Neuropathic pain is a disabling condition caused by various diseases and can profoundly impact the quality of life. Unfortunately, current treatments often do not produce complete amelioration and can be associated with potential side effects. Recently, herbal drugs have garnered more attention as an alternative or a complementary treatment. In this article, we summarized the results of randomized clinical trials to evaluate the effects of various phytomedicines on neuropathic pain. In addition, we discussed their main bioactive components and potential mechanisms of action to provide a better view of the application of herbal drugs for treating neuropathic pain.
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Affiliation(s)
- Amir Mahmoud Ahmadzadeh
- Transplant Research Center, Clinical Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Radiology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ghazaleh Pourali
- Metabolic Syndrome Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Matin Shirazinia
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahdieh Hamedi
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Mehri
- Endoscopic and Minimally Invasive Surgery Research Center, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hesam Amirbeik
- Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Zahra Tayarani-Najaran
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Medical Toxicology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Thozhukat Sathyapalan
- Academic Diabetes, Endocrinology and Metabolism, Allam Diabetes Centre Hull Royal Infirmary Anlaby Road HU3 2JZ, Hull, UK.m
| | - Fatemeh Forouzanfar
- Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Neuroscience, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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5
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Thouaye M, Yalcin I. Neuropathic pain: From actual pharmacological treatments to new therapeutic horizons. Pharmacol Ther 2023; 251:108546. [PMID: 37832728 DOI: 10.1016/j.pharmthera.2023.108546] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2023] [Revised: 09/07/2023] [Accepted: 10/05/2023] [Indexed: 10/15/2023]
Abstract
Neuropathic pain, caused by a lesion or disease affecting the somatosensory system, affects between 3 and 17% of the general population. The treatment of neuropathic pain is challenging due to its heterogeneous etiologies, lack of objective diagnostic tools and resistance to classical analgesic drugs. First-line treatments recommended by the Special Interest Group on Neuropathic Pain (NeuPSIG) and European Federation of Neurological Societies (EFNS) include gabapentinoids, tricyclic antidepressants (TCAs) and selective serotonin noradrenaline reuptake inhibitors (SNRIs). Nevertheless these treatments have modest efficacy or dose limiting side effects. There is therefore a growing number of preclinical and clinical studies aim at developing new treatment strategies to treat neuropathic pain with better efficacy, selectivity, and less side effects. In this review, after a brief description of the mechanisms of action, efficacy, and limitations of current therapeutic drugs, we reviewed new preclinical and clinical targets currently under investigation, as well as promising non-pharmacological alternatives and their potential co-use with pharmacological treatments.
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Affiliation(s)
- Maxime Thouaye
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Ipek Yalcin
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France; Department of Psychiatry and Neuroscience, Université Laval, Québec, QC G1V 0A6, Canada.
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6
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Bagheri S, Rashno M, Salehi I, Karimi SA, Raoufi S, Komaki A. Geraniol improves passive avoidance memory and hippocampal synaptic plasticity deficits in a rat model of Alzheimer's disease. Eur J Pharmacol 2023; 951:175714. [PMID: 37054939 DOI: 10.1016/j.ejphar.2023.175714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 04/03/2023] [Accepted: 04/11/2023] [Indexed: 04/15/2023]
Abstract
Alzheimer's disease (AD) is the most progressive and irreversible neurodegenerative disease that leads to synaptic loss and cognitive decline. The present study was designed to evaluate the effects of geraniol (GR), a valuable acyclic monoterpene alcohol, with protective and therapeutic effects, on passive avoidance memory, hippocampal synaptic plasticity, and amyloid-beta (Aβ) plaques formation in an AD rat model induced by intracerebroventricular (ICV) microinjection of Aβ1-40. Seventy male Wistar rats were randomly into sham, control, control-GR (100 mg/kg; P.O. (orally), AD, GR-AD (100 mg/kg; P.O.; pretreatment), AD-GR (100 mg/kg; P.O.; treatment), and GR-AD-GR (100 mg/kg; P.O.; pretreatment & treatment). Administration of GR was continued for four consecutive weeks. Training for the passive avoidance test was carried out on the 36th day and a memory retention test was performed 24 h later. On day 38, hippocampal synaptic plasticity (long-term potentiation; LTP) was recorded in perforant path-dentate gyrus (PP-DG) synapses to assess field excitatory postsynaptic potentials (fEPSPs) slope and population spike (PS) amplitude. Subsequently, Aβ plaques were identified in the hippocampus by Congo red staining. The results showed that Aβ microinjection increased passive avoidance memory impairment, suppressed of hippocampal LTP induction, and enhanced of Aβ plaque formation in the hippocampus. Interestingly, oral administration of GR improved passive avoidance memory deficit, ameliorated hippocampal LTP impairment, and reduced Aβ plaque accumulation in the Aβ-infused rats. The results suggest that GR mitigates Aβ-induced passive avoidance memory impairment, possibly through alleviation of hippocampal synaptic dysfunction and inhibition of Aβ plaque formation.
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Affiliation(s)
- Shokufeh Bagheri
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran; Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Masome Rashno
- Asadabad School of Medical Sciences, Asadabad, Iran; Student Research Committee, Asadabad School of Medical Sciences, Asadabad, Iran
| | - Iraj Salehi
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran; Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Seyed Asaad Karimi
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran; Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Safoura Raoufi
- Department of Physiology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Alireza Komaki
- Department of Neuroscience, School of Science and Advanced Technologies in Medicine, Hamadan University of Medical Sciences, Hamadan, Iran; Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran. http://umsha.ac.ir
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7
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Baicalein exerts anxiolytic and antinociceptive effects in a mouse model of posttraumatic stress disorder: Involvement of the serotonergic system and spinal delta-opioid receptors. Prog Neuropsychopharmacol Biol Psychiatry 2023; 122:110689. [PMID: 36462602 DOI: 10.1016/j.pnpbp.2022.110689] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 11/26/2022] [Accepted: 11/28/2022] [Indexed: 12/05/2022]
Abstract
Post-traumatic stress disorder (PTSD) is a serious mental disease featured by a stress dysfunction that occurs after an individual has faced intense mental stress, often accompanied by anxiety and chronic pain. Currently, the mainstream drug for PTSD is serotonin reuptake inhibitors (SSRIs), however, their pain management for patients is limited. Baicalein, a Chinese traditional herbal medicine, has shown promising results in treating anxiety, depression, and pain. In this study, we found that baicalein may alleviate single prolonged stress (SPS)-induced PTSD-like behaviors in mice without altering baseline nociceptive sensitivity or activity. Meanwhile, baicalein increased the noradrenaline (NE) and serotonin (5-HT) content and decreased the ratio of 5-hydroxyindoleacetic acid (5-HIAA)/5-HT by inhibiting the activity of monoamine oxidase A (MAO-A) in SPS-induce mice. The anxiolytic and antinociceptive effects induced by baicalein were totally abolished by 5-HT depleting agents. Moreover, the anxiolytic effects of baicalein could be abolished by the 5-HT1A receptor antagonist WAY-100635, and the analgesic effects could be abolished by delta-opioid receptor antagonists in the spinal. Taken together, our study provides compelling evidence that baicalein reversed anxiety-like behaviors and neuropathic pain in PTSD through serotonergic system and spinal delta-opioid receptors.
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8
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Choudhary S, Kaur R, Waziri A, Garg A, Kadian R, Alam MS. N-type calcium channel blockers: a new approach towards the treatment of chronic neuropathic pain. EXPLORATION OF MEDICINE 2023. [DOI: 10.37349/emed.2023.00126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023] Open
Abstract
Neuropathic pain (NP) remains maltreated for a wide number of patients by the currently available treatments and little research has been done in finding new drugs for treating NP. Ziconotide (PrialtTM) had been developed as the new drug, which belongs to the class of ω-conotoxin MVIIA. It inhibits N-type calcium channels. Ziconotide is under the last phase of the clinical trial, a new non-narcotic drug for the management of NP. Synthetically it has shown the similarities with ω-conotoxin MVIIA, a constituent of poison found in fish hunting snails (Conus magus). Ziconotide acts by selectively blocking neural N-type voltage-sensitized Ca2+ channels (NVSCCs). Certain herbal drugs also have been studied but no clinical result is there and the study is only limited to preclinical data. This review emphasizes the N-type calcium channel inhibitors, and their mechanisms for blocking calcium channels with their remedial prospects for treating chronic NP.
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Affiliation(s)
- Shikha Choudhary
- School of Medical and Allied Sciences, K.R. Mangalam University, Gurugram 122103, Haryana, India
| | - Raminderjit Kaur
- School of Medical and Allied Sciences, K.R. Mangalam University, Gurugram 122103, Haryana, India
| | - Aafrin Waziri
- University School of Biotechnology, Guru Gobind Singh Indraprastha University, Delhi, 110078, India
| | - Arun Garg
- Department of Pharmacology, NIMS Institute of Pharmacy, NIMS University, Jaipur 303121, Rajasthan, India
| | - Renu Kadian
- Ram Gopal College of Pharmacy, Gurugram 122506, Haryana, India
| | - Md Sabir Alam
- SGT College of Pharmacy, SGT University, Gurugram 122505, Haryana, India
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9
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Curcumin promotes microglial M2 polarization and suppresses chronic constriction: Injury-induced neuropathic pain in a rat model of peripheral neuropathy. Nutrition 2023; 109:112004. [PMID: 36931068 DOI: 10.1016/j.nut.2023.112004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 02/06/2023] [Accepted: 02/09/2023] [Indexed: 02/16/2023]
Abstract
OBJECTIVES Glia (i.e., astrocyte and microglia) activation in the central nervous system plays a critical role in developing neuropathic pain. Microglia can be activated into proinflammatory (M1) and anti-inflammatory (M2) phenotypes. Switching microglial polarization from M1 to M2 phenotypes represents a novel therapeutic strategy for neuropathic pain. Curcumin has been widely used for its anti-inflammatory and immunomodulatory effects. This study investigated effects of curcumin on astrocyte activation and microglia polarization in the cuneate nucleus (CN) and development of neuropathic pain behavior after chronic constriction injury (CCI) of the median nerve. METHODS Rats were fed with curcumin once daily at a dose of 40, 80, or 120 mg/kg 30 min before and until 7 d after median nerve CCI. Subsequently, mechanical allodynia and thermal hyperalgesia were evaluated using von Frey filaments and plantar tests, respectively. The levels of astrocyte marker, monoclonal glial fibrillary acidic protein; microglia marker, ionized calcium-binding adapter molecule 1; M1 marker, CD86; and M2 marker, CD206 in the cuneate nucleus were determined. Enzyme-linked immunosorbent assay was applied to measure cytokine concentrations. RESULTS Curcumin administration dose-dependently reduced mechanical allodynia and thermal hyperalgesia and decreased monoclonal glial fibrillary acidic protein and ionized calcium-binding adapter molecule 1 immunoreactivity in the ipsilateral cuneate nucleus after CCI. On ultrastructural observation, curcumin treatment was associated with fewer features of activated astrocytes and microglia. Furthermore, CCI rats given curcumin exhibited a decline in CD86 immunoreactivity and proinflammatory cytokine levels but an increase in CD206 immunoreactivity and release of anti-inflammatory cytokines. CONCLUSIONS In our findings, curcumin switches microglial phenotypes from M1 to M2 by suppressing astrocytic activation, reducing proinflammatory cytokine release, promoting anti-inflammatory cytokine production, and contributing to relief of neuropathic pain.
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10
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Curcumin and metformin synergistically modulate peripheral and central immune mechanisms of pain. Sci Rep 2022; 12:9713. [PMID: 35690654 PMCID: PMC9188603 DOI: 10.1038/s41598-022-13647-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 05/26/2022] [Indexed: 12/14/2022] Open
Abstract
Metformin is a well-tolerated antidiabetic drug and has recently been repurposed for numerous diseases, including pain. However, a higher dose of metformin is required for effective analgesia, which can potentiate its dose-dependent gastrointestinal side effects. Curcumin is a natural polyphenol and has beneficial therapeutic effects on pain. Curcumin has been used as an analgesic adjuvant with several analgesic drugs, allowing synergistic antinociceptive effects. Nevertheless, whether curcumin can exert synergistic analgesia with metformin is still unknown. In the present study, the nature of curcumin-metformin anti-inflammatory interaction was evaluated in in vitro using lipopolysaccharide-induced RAW 264.7 macrophage and BV-2 microglia cells. In both macrophage and microglia, curcumin effectively potentiates the anti-inflammatory effects of metformin, indicating potential synergistic effects in both peripheral and central pathways of pain. The nature of the interaction between curcumin and metformin was further recapitulated using a mouse model of formalin-induced pain. Coadministration of curcumin and metformin at a 1:1 fixed ratio of their ED50 doses significantly reduced the dose required to produce a 50% effect compared to the theoretically required dose in phase II of the formalin test with a combination index value of 0.24. Besides, the synergistic interaction does not appear to involve severe CNS side effects indicated by no motor alterations, no alterations in short-term and long-term locomotive behaviors, and the general well-being of mice. Our findings suggest that curcumin exerts synergistic anti-inflammation with metformin with no potential CNS adverse effects.
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11
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Shen CL, Castro L, Fang CY, Castro M, Sherali S, White S, Wang R, Neugebauer V. Bioactive compounds for neuropathic pain: An update on preclinical studies and future perspectives. J Nutr Biochem 2022; 104:108979. [PMID: 35245654 DOI: 10.1016/j.jnutbio.2022.108979] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 01/21/2022] [Accepted: 02/21/2022] [Indexed: 12/19/2022]
Abstract
Among different types of chronic pain, neuropathic pain (NP), arising from damage to the nervous system, including peripheral fibers and central neurons, is notoriously difficult to treat and affects 7-10% of the general population. Currently available treatment options for NP are limited and opioid analgesics have severe side effects and can result in opioid use disorder. Recent studies have exhibited the role of dietary bioactive compounds in the mitigation of NP. Here, we assessed the effects of commonly consumed bioactive compounds (ginger, curcumin, omega-3 polyunsaturated fatty acids, epigallocatechin gallate, resveratrol, soy isoflavones, lycopene, and naringin) on NP and NP-related neuroinflammation. Cellular studies demonstrated that these bioactive compounds reduce inflammation via suppression of NF-κB and MAPK signaling pathways that regulate apoptosis/cell survival, antioxidant, and anti-inflammatory responses. Animal studies strongly suggest that these regularly consumed bioactive compounds have a pronounced anti-NP effect as shown by decreased mechanical allodynia, mechanical hyperalgesia, thermal hyperalgesia, and cold hyperalgesia. The proposed molecular mechanisms include (1) the enhancement of neuron survival, (2) the reduction of neuronal hyperexcitability by activation of antinociceptive cannabinoid 1 receptors and opioid receptors, (3) the suppression of sodium channel current, and (4) enhancing a potassium outward current in NP-affected animals, triggering a cascade of chemical changes within, and between neurons for pain relief. Human studies administered in this area have been limited. Future randomized controlled trials are warranted to confirm the findings of preclinical efficacies using bioactive compounds in patients with NP.
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Affiliation(s)
- Chwan-Li Shen
- Department of Pathology, Texas Tech University Health Sciences Center, Lubbock, Texas, USA; Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, Texas, USA; Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, Texas, USA.
| | - Luis Castro
- School of Medicine, Texas Tech University Health Sciences, Lubbock, Texas, USA
| | - Chih-Yu Fang
- School of Medicine, Texas Tech University Health Sciences, Lubbock, Texas, USA
| | - Maribel Castro
- School of Medicine, Texas Tech University Health Sciences, Lubbock, Texas, USA
| | - Samir Sherali
- School of Medicine, Texas Tech University Health Sciences, Lubbock, Texas, USA
| | - Steely White
- Department of Microbiology, Texas Tech University, Lubbock, Texas, USA
| | - Rui Wang
- Department of Pathology, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
| | - Volker Neugebauer
- Center of Excellence for Integrative Health, Texas Tech University Health Sciences Center, Lubbock, Texas, USA; Center of Excellence for Translational Neuroscience and Therapeutics, Texas Tech University Health Sciences Center, Lubbock, Texas, USA; Department of Pharmacology & Neuroscience, Texas Tech University Health Sciences Center, Lubbock, Texas, USA; Garrison Institute on Aging, Texas Tech University Health Sciences Center, Lubbock, Texas, USA
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12
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Khodaei M, Mehri S, Pour SR, Mahdavi S, Yarmohammadi F, Hayes AW, Karimi G. The protective effect of chemical and natural compounds against vincristine-induced peripheral neuropathy (VIPN). Naunyn Schmiedebergs Arch Pharmacol 2022; 395:907-919. [PMID: 35562512 DOI: 10.1007/s00210-022-02254-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 05/05/2022] [Indexed: 10/18/2022]
Abstract
Vincristine, an alkaloid extracted from Catharanthus rosea, is a class of chemotherapy drugs that act by altering the function of the microtubules and by inhibiting mitosis. Despite its widespread application, a major adverse effect of vincristine that limits treatment duration is the occurrence of peripheral neuropathy (PN). PN presents with several symptoms including numbness, painful sensation, tingling, and muscle weakness. Vincristine-induced PN involves impaired calcium homeostasis, an increase of reactive oxygen species (ROS), and the upregulation of tumor necrosis factor-alpha (TNF-α), and interleukin 1 beta (IL-1β) expression. Several potential approaches to attenuate the vincristine-induced PN including the concomitant administration of chemicals with vincristine have been reported. These chemicals have a variety of pharmaceutical properties including anti-inflammation, antioxidant, and inhibition of calcium channels and calcineurin signaling pathways and increased expression of nerve growth factor (NGF). This review summarized several of these compounds and the mechanisms of action that could lead to effective options in improving vincristine-induced peripheral neuropathy (VIPN).
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Affiliation(s)
- Mitra Khodaei
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Soghra Mehri
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran. .,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Soroush Rashid Pour
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shakiba Mahdavi
- Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Fatemeh Yarmohammadi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - A Wallace Hayes
- Center for Environmental Occupational Risk Analysis and Management, College of Public Health, University of South Florida, Tampa, FL, USA.,Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, USA
| | - Gholamreza Karimi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran. .,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.
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13
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RI75, a curcumin analogue, inhibits tumor necrosis factor-α and interleukin-6 production and exhibits antiallodynic and antiedematogenic activities in mice. Inflammopharmacology 2022; 30:505-515. [DOI: 10.1007/s10787-021-00913-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Accepted: 12/10/2021] [Indexed: 11/05/2022]
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14
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Curcumin induces peripheral antinociception by opioidergic and cannabinoidergic mechanism: Pharmacological evidence. Life Sci 2022; 293:120279. [PMID: 35032552 DOI: 10.1016/j.lfs.2021.120279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 12/17/2021] [Accepted: 12/26/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND Curcumin is one of the compounds present in plants of the genus Curcuma sp., being very used not only as condiment but also with medicinal purposes. As an analgesic, papers highlight the efficacy of curcumin in the treatment of various types of pain. AIMS In this study we evaluated the peripheral antinociceptive effect of curcumin and by which mechanisms this effect is induced. MAIN METHODS The mice paw pressure test was used on animals which had increased pain sensitivity by intraplantar injection of carrageenan. All the drugs were administered in the right hind paw. KEY FINDINGS Curcumin was administered to the right hind paw animals induced antinociceptive effect. Non -selective antagonist of opioid receptors naloxone reverted the antinociceptive effect induced by curcumin. Selective antagonists for μ, δ and κ opioid receptors clocinnamox, naltrindole and nor- binaltorphimine, respectively, reverted the antinociceptive effect induced by curcumin. Bestatin, enkephalinases inhibitor that degrade peptides opioids, did not change the nociceptive response. Selective antagonists for CB1 and CB2 cannabinoid receptors, AM251 and AM630, respectively, reversed the antinociceptive effect induced by curcumin. The MAFP inhibitor of the enzyme FAAH which breaks down anandamide, JZL184, enzyme inhibitor MAGL which breaks down the 2-AG, as well as the VDM11 anandamide reuptake inhibitor potentiated the antinociceptive effect of curcumin. SIGNIFICANCE These results suggest that curcumin possibly peripheral antinociception induced by opioid and cannabinoid systems activation and possibly for endocannabinoids and opioids release.
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15
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Paulazzi AR, Alves BO, Zilli GAL, Dos Santos AE, Petry F, Soares KD, Danielli LJ, Pedroso J, Apel MA, Aguiar GPS, Siebel AM, Oliveira JV, Müller LG. Curcumin and n-acetylcysteine cocrystal produced with supercritical solvent: characterization, solubility, and preclinical evaluation of antinociceptive and anti-inflammatory activities. Inflammopharmacology 2022; 30:327-341. [PMID: 35006455 DOI: 10.1007/s10787-021-00917-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 12/23/2021] [Indexed: 12/26/2022]
Abstract
Curcumin presents a promising anti-inflammatory potential, but its low water-solubility and bioavailability hinder its application. In this sense, cocrystallization represents a tool for improving physicochemical properties, solubility, permeability, and bioavailability of new drug candidates. Thus, the aim of this work was to produce curcumin cocrystals (with n-acetylcysteine as coformer, which possesses anti-inflammatory and antioxidant activities), by the anti-solvent gas technique using supercritical carbon dioxide, and to test its antinociceptive and anti-inflammatory potential. The cocrystal was characterized by differential scanning calorimetry, powder X-ray diffraction and scanning electron microscopy. The cocrystal solubility and antichemotaxic activity were also assessed in vitro. Antinociceptive and anti-inflammatory activities were carried out in vivo using the acetic acid-induced abdominal writhing and carrageenan-induced paw oedema assays in mice. The results demonstrated the formation of a new crystalline structure, thereby confirming the successful formation of the cocrystal. The higher solubility of the cocrystal compared to pure curcumin was verified in acidic and neutral pH, and the cocrystal inhibited the chemotaxis of neutrophils in vitro. In vivo assays showed that cocrystal presents increased antinociceptive and anti-inflammatory potency when compared to pure curcumin, which could be related to an improvement in its bioavailability.
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Affiliation(s)
- Alessandro R Paulazzi
- Department of Chemical and Food Engineering, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Bianca O Alves
- Molecular Genetics and Ecotoxicology Laboratory, Community University of Chapecó Region, Chapecó, SC, Brazil
| | - Gabriela A L Zilli
- Molecular Genetics and Ecotoxicology Laboratory, Community University of Chapecó Region, Chapecó, SC, Brazil
| | - Aline E Dos Santos
- Department of Chemical and Food Engineering, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Fernanda Petry
- Molecular Genetics and Ecotoxicology Laboratory, Community University of Chapecó Region, Chapecó, SC, Brazil
| | - Krissie D Soares
- Pharmaceutical Sciences Graduate Program, Federal University of Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Letícia J Danielli
- Pharmaceutical Sciences Graduate Program, Federal University of Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Jefferson Pedroso
- Molecular Genetics and Ecotoxicology Laboratory, Community University of Chapecó Region, Chapecó, SC, Brazil
| | - Miriam A Apel
- Pharmaceutical Sciences Graduate Program, Federal University of Rio Grande Do Sul, Porto Alegre, RS, Brazil
| | - Gean Pablo S Aguiar
- Molecular Genetics and Ecotoxicology Laboratory, Community University of Chapecó Region, Chapecó, SC, Brazil.,Graduate Program in Environmental Sciences, Community University of Chapecó Region (Unochapecó), Servidão Anjo da Guarda, nº 295-D, Bairro Efapi, Chapecó, SC, 89809-900, Brazil
| | - Anna M Siebel
- Molecular Genetics and Ecotoxicology Laboratory, Community University of Chapecó Region, Chapecó, SC, Brazil.,Graduate Program in Environmental Sciences, Community University of Chapecó Region (Unochapecó), Servidão Anjo da Guarda, nº 295-D, Bairro Efapi, Chapecó, SC, 89809-900, Brazil
| | - J Vladimir Oliveira
- Department of Chemical and Food Engineering, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Liz Girardi Müller
- Molecular Genetics and Ecotoxicology Laboratory, Community University of Chapecó Region, Chapecó, SC, Brazil. .,Graduate Program in Environmental Sciences, Community University of Chapecó Region (Unochapecó), Servidão Anjo da Guarda, nº 295-D, Bairro Efapi, Chapecó, SC, 89809-900, Brazil.
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16
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Zhao G, Shi Y, Gong C, Liu T, Nan W, Ma L, Wu Z, Da C, Zhou K, Zhang H. Curcumin Exerts Antinociceptive Effects in Cancer-Induced Bone Pain via an Endogenous Opioid Mechanism. Front Neurosci 2021; 15:696861. [PMID: 34539332 PMCID: PMC8446608 DOI: 10.3389/fnins.2021.696861] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2021] [Accepted: 07/12/2021] [Indexed: 11/13/2022] Open
Abstract
Cancer pain is one of the main complications in advanced cancer patients, and its management is still challenging. Therefore, there is an urgent need to develop novel pharmacotherapy for cancer pain. Several natural products have attracted the interest of researchers. In previous studies, curcumin has proved to exhibit antitumor, antiviral, antioxidant, anti-inflammatory, and analgesic effects. However, the analgesic mechanism of curcumin has not been elucidated. Thus, in this study, we aimed to elucidate the antinociceptive potency and analgesic mechanism of curcumin in cancer-induced bone pain. Our results showed that consecutive curcumin treatment (30, 60, 120 mg/kg, i.p., twice daily for 11 days) produced significant analgesic activity, but had no effect on the progress of the bone cancer pain. Notably, pretreatment with naloxone, a non-selective opioid receptor antagonist, markedly reversed the antinociceptive effect induced by curcumin. Moreover, in primary cultured rat dorsal root ganglion (DRG) neurons, curcumin significantly up-regulated the expression of proopiomelanocortin (Pomc) and promoted the release of β-endorphin and enkephalin. Furthermore, pretreatment with the antiserum of β-endorphin or enkephalin markedly attenuated curcumin-induced analgesia in cancer-induced bone pain. Our present study, for the first time, showed that curcumin attenuates cancer-induced bone pain. The results also suggested that stimulation of expression of DRG neurons β-endorphin and enkephalin mediates the antinociceptive effect of curcumin in pain hypersensitivity conditions.
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Affiliation(s)
- Guanghai Zhao
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
| | - Yongqiang Shi
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
| | - Chaoyang Gong
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
| | - Taicong Liu
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
| | - Wei Nan
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
| | - Lin Ma
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
| | - Zuolong Wu
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
| | - Chaoming Da
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
| | - Kaisheng Zhou
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China
| | - Haihong Zhang
- Department of Orthopedics, Lanzhou University Second Hospital, Lanzhou, China.,The Second Clinical Medical College, Lanzhou University, Lanzhou, China.,Orthopaedics Key Laboratory of Gansu Province, Lanzhou University, Lanzhou, China
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17
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Yow YY, Goh TK, Nyiew KY, Lim LW, Phang SM, Lim SH, Ratnayeke S, Wong KH. Therapeutic Potential of Complementary and Alternative Medicines in Peripheral Nerve Regeneration: A Systematic Review. Cells 2021; 10:cells10092194. [PMID: 34571842 PMCID: PMC8472132 DOI: 10.3390/cells10092194] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2021] [Revised: 08/20/2021] [Accepted: 08/20/2021] [Indexed: 12/12/2022] Open
Abstract
Despite the progressive advances, current standards of treatments for peripheral nerve injury do not guarantee complete recovery. Thus, alternative therapeutic interventions should be considered. Complementary and alternative medicines (CAMs) are widely explored for their therapeutic value, but their potential use in peripheral nerve regeneration is underappreciated. The present systematic review, designed according to guidelines of Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols, aims to present and discuss the current literature on the neuroregenerative potential of CAMs, focusing on plants or herbs, mushrooms, decoctions, and their respective natural products. The available literature on CAMs associated with peripheral nerve regeneration published up to 2020 were retrieved from PubMed, Scopus, and Web of Science. According to current literature, the neuroregenerative potential of Achyranthes bidentata, Astragalus membranaceus, Curcuma longa, Panax ginseng, and Hericium erinaceus are the most widely studied. Various CAMs enhanced proliferation and migration of Schwann cells in vitro, primarily through activation of MAPK pathway and FGF-2 signaling, respectively. Animal studies demonstrated the ability of CAMs to promote peripheral nerve regeneration and functional recovery, which are partially associated with modulations of neurotrophic factors, pro-inflammatory cytokines, and anti-apoptotic signaling. This systematic review provides evidence for the potential use of CAMs in the management of peripheral nerve injury.
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Affiliation(s)
- Yoon-Yen Yow
- Department of Biological Sciences, School of Medicine and Life Sciences, Sunway University, Petaling Jaya 47500, Malaysia; (T.-K.G.); (K.-Y.N.); (S.R.)
- Correspondence: (Y.-Y.Y.); (L.-W.L.); (K.-H.W.); Tel.: +603-7491-8622 (Y.-Y.Y.); +852-3917-6830 (L.-W.L.); +603-7967-4729 (K.-H.W.)
| | - Tiong-Keat Goh
- Department of Biological Sciences, School of Medicine and Life Sciences, Sunway University, Petaling Jaya 47500, Malaysia; (T.-K.G.); (K.-Y.N.); (S.R.)
| | - Ke-Ying Nyiew
- Department of Biological Sciences, School of Medicine and Life Sciences, Sunway University, Petaling Jaya 47500, Malaysia; (T.-K.G.); (K.-Y.N.); (S.R.)
| | - Lee-Wei Lim
- Neuromodulation Laboratory, School of Biomedical Sciences, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 21 Sassoon Road, L4 Laboratory Block, Hong Kong
- Correspondence: (Y.-Y.Y.); (L.-W.L.); (K.-H.W.); Tel.: +603-7491-8622 (Y.-Y.Y.); +852-3917-6830 (L.-W.L.); +603-7967-4729 (K.-H.W.)
| | - Siew-Moi Phang
- Institute of Ocean and Earth Sciences, Universiti Malaya, Kuala Lumpur 50603, Malaysia;
- Faculty of Applied Sciences, UCSI University, Cheras, Kuala Lumpur 56000, Malaysia
| | - Siew-Huah Lim
- Department of Chemistry, Faculty of Science, Universiti Malaya, Kuala Lumpur 50603, Malaysia;
| | - Shyamala Ratnayeke
- Department of Biological Sciences, School of Medicine and Life Sciences, Sunway University, Petaling Jaya 47500, Malaysia; (T.-K.G.); (K.-Y.N.); (S.R.)
| | - Kah-Hui Wong
- Department of Anatomy, Faculty of Medicine, Universiti Malaya, Kuala Lumpur 50603, Malaysia
- Correspondence: (Y.-Y.Y.); (L.-W.L.); (K.-H.W.); Tel.: +603-7491-8622 (Y.-Y.Y.); +852-3917-6830 (L.-W.L.); +603-7967-4729 (K.-H.W.)
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18
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Halder S, Anand U, Nandy S, Oleksak P, Qusti S, Alshammari EM, El-Saber Batiha G, Koshy EP, Dey A. Herbal drugs and natural bioactive products as potential therapeutics: A review on pro-cognitives and brain boosters perspectives. Saudi Pharm J 2021; 29:879-907. [PMID: 34408548 PMCID: PMC8363108 DOI: 10.1016/j.jsps.2021.07.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 07/04/2021] [Indexed: 12/25/2022] Open
Abstract
Memory, one of the most vital aspects of the human brain, is necessary for the effective survival of an individual. 'Memory' can be defined in various ways but in an overall view, memory is the retention of the information that the brain grasps. Different factors are responsible for the disbalance in the brain's hippocampus region and the acetylcholine level, which masters the memory and cognitive functions. Plants are a source of pharmacologically potent drug molecules of high efficacy. Recently herbal medicine has evolved rapidly, gaining great acceptance worldwide due to their natural origin and fewer side effects. In this review, the authors have discussed the mechanisms and pharmacological action of herbal bioactive compounds to boost memory. Moreover, this review presents an update of different herbs and natural products that could act as memory enhancers and how they can be potentially utilized in the near future for the treatment of severe brain disorders. In addition, the authors also discuss the differences in biological activity of the same herb and emphasize the requirement for a higher standardization in cultivation methods and plant processing. The demand for further studies evaluating the interactions of herbal drugs is mentioned.
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Affiliation(s)
- Swati Halder
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Uttpal Anand
- Department of Molecular and Cellular Engineering, Jacob Institute of Biotechnology and Bioengineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj 211007, Uttar Pradesh, India
| | - Samapika Nandy
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
| | - Patrik Oleksak
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, 50003 Hradec Kralove, Czech Republic
| | - Safaa Qusti
- Biochemistry Department, Faculty of Science, king Abdulaziz University, Jeddah, Saudi Arabia
| | - Eida M. Alshammari
- Department of Chemistry, College of Sciences, University of Ha’il, Ha’il, Saudi Arabia
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, AlBeheira, Egypt
| | - Eapen P. Koshy
- Department of Molecular and Cellular Engineering, Jacob Institute of Biotechnology and Bioengineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj 211007, Uttar Pradesh, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, 86/1 College Street, Kolkata 700073, West Bengal, India
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19
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Razavi BM, Ghasemzadeh Rahbardar M, Hosseinzadeh H. A review of therapeutic potentials of turmeric (Curcuma longa) and its active constituent, curcumin, on inflammatory disorders, pain, and their related patents. Phytother Res 2021; 35:6489-6513. [PMID: 34312922 DOI: 10.1002/ptr.7224] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 07/07/2021] [Accepted: 07/12/2021] [Indexed: 12/26/2022]
Abstract
Turmeric (Curcuma longa) and its constituent, curcumin, have been used for their therapeutic properties for a long time. Most of the medicinal impacts of turmeric and curcumin might be attributed to their anti-inflammatory, antinociceptive, and antioxidant effects. In the present review, the preventive and therapeutic potentials of turmeric and its active constituent, curcumin, on inflammatory disorders and pain as well as patents related to their analgesic and anti-inflammatory effects, have been summarized to highlight their value on human health. A literature review was accomplished in Google Scholar, PubMed, Scopus, Google Patent, Patentscope, and US Patent. Several documents and patents disclosed the significance of turmeric and curcumin to apply in several therapeutic, medicinal, and pharmaceutical fields. These phytocompounds could be applied as a supplementary therapy in phytotherapy, inflammatory disorders such as arthritis, inflammatory bowel diseases, osteoarthritis, psoriasis, dermatitis, and different types of pain including neuropathic pain. However, because of inadequate clinical trials, further high-quality studies are needed to firmly establish the clinical efficacy of the plant. Consistent with the human tendency to the usage of phytocompounds rather than synthetic drugs, particular consideration must be dedicated to bond the worth of turmeric and curcumin from basic sciences to clinical applications.
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Affiliation(s)
- Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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20
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Zhang X, Wang J, Sui A, Zhang N, Lv Q, Liu Z. Antinociceptive Effect of Magnolol in a Neuropathic Pain Model of Mouse. J Pain Res 2021; 14:2083-2093. [PMID: 34267552 PMCID: PMC8275150 DOI: 10.2147/jpr.s317204] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/23/2021] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND AND OBJECTIVE Neuropathic pain remains a clinical challenge with limited effective treatments. Previous studies have found that magnolol (Mag), an ingredient existing in some herbs, showed neuroprotective effect. However, it remains unclear whether Mag can alleviate neuropathic pain. METHODS Chronic constriction injury (CCI) is used as the neuropathic pain model. Mice were randomly divided into 5 groups: Sham, CCI, CCI + 5, 10, 30 mg/kg Mag groups. Thermal and mechanical paw withdrawal threshold were performed at baseline and on the 3rd, 5th, 7th, 14th days post-surgery. Lumbar spinal cord and blood samples were collected on the 14th day. Blood lipid profile, kidney and liver functions, as well as the activation of microglia were evaluated, along with the related signal pathway examined using multiple methods including immunohistochemistry, RT-PCR and Western blot. RESULTS Mag alleviated thermal and mechanical hypersensitivity in CCI mice. CCI activated microglia and upregulated the expression of P2Y12, while Mag inhibited microglial activation, and downregulated the expression of P2Y12. Mag also blocked the activation of p38 mitogen-activated protein kinase (MAPK) and other pain-related cytokines such as IL-6, TNF-α and IL-1β. CONCLUSION The findings indicate that Mag has antinociceptive effect on neuropathic pain, probably mediated through P2Y12 receptors and p38 MAPK mediated pathways. With its relatively safe profile, Mag may be a potential therapeutic agent for neuropathic pain.
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Affiliation(s)
- Xiao Zhang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, People’s Republic of China
| | - Juntao Wang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, People’s Republic of China
| | - Aihua Sui
- Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266000, People’s Republic of China
| | - Nannan Zhang
- Department of Anesthesiology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, People’s Republic of China
| | - Qiulan Lv
- Medical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266000, People’s Republic of China
| | - Zhenfang Liu
- Department of Emergency, The Affiliated Hospital of Qingdao University, Qingdao, 266000, People’s Republic of China
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21
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Wu JY, Li Y, Li BL, Wang YG, Cui WG, Zhou WH, Zhao X. Evidence for 5-HT 1A receptor-mediated antiallodynic and antihyperalgesic effects of apigenin in mice suffering from mononeuropathy. Br J Pharmacol 2021; 178:4005-4025. [PMID: 34030210 DOI: 10.1111/bph.15574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Revised: 04/28/2021] [Accepted: 05/09/2021] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND AND PURPOSE Neuropathic pain places a devastating health burden, with very few effective therapies. We investigated the potential antiallodynic and antihyperalgesic effects of apigenin, a natural flavonoid with momoamine oxidase (MAO) inhibitory activity, against neuropathic pain and investigated the mechanism(s). EXPERIMENTAL APPROACH The neuropathic pain model was produced by chronic constriction injury of sciatic nerves in male C57BL/6J mice, with pain-related behaviours being assayed by von Frey test and Hargreaves test. In this model the role of 5-HT and 5-HT1A receptor-related mechanisms were investigated in vivo/in vitro. KEY RESULTS Apigenin repeated treatment (p.o., once per day for 2 weeks), in a dose-related manner (3, 10 and 30 mg·kg-1 ), ameliorated the allodynia and hyperalgesia in chronic nerve constriction injury in mice. These effects seem dependent on neuronal 5-hydroxytryptamine, because (i) the antihyperalgesia and antiallodynia were attenuated by depletion of 5-HT with p-chlorophenylalanine and potentiated by 5-hydroxytryptophan and (ii), apigenin-treated chronic constriction injury mice caused an increased level of spinal 5-HT, associated with diminished MAO activity. In vivo administration, spinally or systematically, of the 5-HT1A antagonist WAY-100635 inhibited the apigenin-induced antiallodynia and antihyperalgesia. In vitro, apigenin acted as a positive allosteric modulator to increase the efficacy (stimulation of [35 S]GTPγS binding) of the 5-HT1A agonist 8-OH-DPAT. Apigenin attenuated neuronal changes caused by chronic constriction of the sciatic nerve in mice, without causing a hypertensive crisis. CONCLUSION AND IMPLICATIONS Apigenin antiallodynic and antihyperalgesic actions against neuropathic pain crucially involve spinal 5-HT1A receptors and indicate it could be used to treat neuropathic pain.
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Affiliation(s)
- Jia-Yi Wu
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Ye Li
- School of Marine Science, Ningbo University, Ningbo, China
| | - Ben-Ling Li
- School of Mathematics and Statistics, Ningbo University, Ningbo, China
| | - Yan-Gui Wang
- Department of Geriatrics, Hunan Provincial People's Hospital, Changsha, China
| | - Wu-Geng Cui
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Wen-Hua Zhou
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
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22
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Elma Ö, Lebuf E, Marnef AQ, Tümkaya Yilmaz S, Coppieters I, Clarys P, Nijs J, Malfliet A, Deliens T. Diet can exert both analgesic and pronociceptive effects in acute and chronic pain models: a systematic review of preclinical studies. Nutr Neurosci 2021; 25:2195-2217. [PMID: 34096825 DOI: 10.1080/1028415x.2021.1934956] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Although diet is an essential aspect of human health, the link between diet and pain is still not well understood. Preclinical animal research provides information to understand underlying mechanisms that allow identifying the needs for human research. OBJECTIVES This study aims to give a systematic overview of the current evidence from preclinical studies regarding the analgesic and pronociceptive effects of various diets in non-neuropathic, non-cancer, or non-visceral acute and chronic pain models. STUDY DESIGN A systematic Review. SETTING This study examined studies that investigate the analgesic and pronociceptive effects of various diets in non-neuropathic, non-cancer, or non-visceral acute and chronic pain models. METHODS This review was conducted following the PRISMA guidelines and was registered in PROSPERO with the registration number CRD42019133473. The certainty of evidence was examined by a modified GRADE approach. RESULTS After the screening process twenty-four eligible papers were included in this review. Nineteen studies examined acute pain, nine studies chronic inflammatory pain, and four studies assessed both acute and chronic pain models. LIMITATIONS Due to the heterogeneity of the included studies, a meta-analysis was not included in this study. CONCLUSIONS In animal models, excessive saturated, monounsaturated or omega-6 polyunsaturated fat ingestion and diets rich in fats and carbohydrates can decrease pain sensitivity in acute nociceptive pain, whereas it can induce mechanical allodynia and heat hyperalgesia in chronic inflammatory pain. Additionally, diets rich in anti-inflammatory ingredients, as well as a calorie-restricted diet can promote recovery from primary mechanical allodynia and heat hyperalgesia in chronic inflammatory pain.
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Affiliation(s)
- Ömer Elma
- Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Pain in Motion international research group, Vrije Universiteit Brussel, Brussels, Belgium
| | - Elien Lebuf
- Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Arturo Quiroz Marnef
- Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Sevilay Tümkaya Yilmaz
- Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Pain in Motion international research group, Vrije Universiteit Brussel, Brussels, Belgium
| | - Iris Coppieters
- Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Pain in Motion international research group, Vrije Universiteit Brussel, Brussels, Belgium.,Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium.,Department of Rehabilitation Sciences, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - Peter Clarys
- Department of Movement and Sport Sciences, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
| | - Jo Nijs
- Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Pain in Motion international research group, Vrije Universiteit Brussel, Brussels, Belgium.,Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium.,Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
| | - Anneleen Malfliet
- Department of Physiotherapy, Human Physiology and Anatomy, Faculty of Physical Education & Physiotherapy, Pain in Motion international research group, Vrije Universiteit Brussel, Brussels, Belgium.,Department of Physical Medicine and Physiotherapy, University Hospital Brussels, Brussels, Belgium
| | - Tom Deliens
- Department of Movement and Sport Sciences, Faculty of Physical Education and Physiotherapy, Vrije Universiteit Brussel, Brussels, Belgium
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24
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Kwankaew N, Okuda H, Aye-Mon A, Ishikawa T, Hori K, Sonthi P, Kozakai Y, Ozaki N. Antihypersensitivity effect of betanin (red beetroot extract) via modulation of microglial activation in a mouse model of neuropathic pain. Eur J Pain 2021; 25:1788-1803. [PMID: 33961320 DOI: 10.1002/ejp.1790] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 04/24/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND Neuropathic pain (NeP) medications have several side effects that affect NeP patients' quality of life. Betanin, the most common betacyanin pigment, has been shown to have potent antioxidant and anti-inflammatory properties in vivo; thus, it has potential as a healthcare treatment. In this study, we focused on betanin (red beetroot extract) as a potential therapy for NeP. METHODS Mice model of NeP were made by chronic constriction injury (CCI), and the development of mechanical hypersensitivity was confirmed using the von Frey test. Motor coordination and locomotor activity were assessed using open field tests and rotarod tests, respectively. The expression level of glial markers in the spinal cords was analyzed by immunostaining. The direct effects of betanin on microglial cells were investigated using primary cultured microglial cells. RESULTS In CCI model mice, repeated betanin treatment, both intraperitoneally and orally, attenuated developing mechanical hypersensitivity in a dose-dependent manner without impairing motor coordination. Betanin treatment also attenuated mechanical hypersensitivity that had developed and prevented the onset of mechanical hypersensitivity in CCI mice. Microglial activation in the spinal cord is known to play a key role in the development of NeP; betanin treatment reduced CCI-induced microglial activation in the spinal cord of model mice. Moreover, in primary microglia cultured cells, the activation of microglia by lipopolysaccharide application was suppressed by betanin treatment. CONCLUSION Betanin treatment appears to ameliorate mechanical hypersensitivity related to CCI-induced NeP in mice by inhibiting microglial activation. SIGNIFICANCE This article supports findings of the effect of betanin on NeP and provides a potential therapeutic candidate for NeP. Furthermore, elucidating the underlying mechanism of the effect of betanin on microglial activation could assist the development of new treatments for chronic pain.
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Affiliation(s)
- Nichakarn Kwankaew
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Hiroaki Okuda
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Aye Aye-Mon
- Department of Anatomy, University of Medicine (1), Yangon, Myanmar
| | - Tatsuya Ishikawa
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Kiyomi Hori
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Phattarapon Sonthi
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Yu Kozakai
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
| | - Noriyuki Ozaki
- Department of Functional Anatomy, Graduate School of Medical Science, Kanazawa University, Kanazawa, Japan
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25
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Jin W, Botchway BOA, Liu X. Curcumin Can Activate the Nrf2/HO-1 Signaling Pathway and Scavenge Free Radicals in Spinal Cord Injury Treatment. Neurorehabil Neural Repair 2021; 35:576-584. [PMID: 33980059 DOI: 10.1177/15459683211011232] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Spinal cord injury (SCI) is a devastating event that often leads to permanent neurological deficits. Evidence from emerging studies has implicated oxygen-derived free radicals and high-energy oxidants as mediators of secondary SCI. Therefore, targeting these mediators using antioxidants could be beneficial for the disease. Several signaling pathways, such as the nuclear factor erythroid-2-related factor 2/heme oxygenase 1 (Nrf2/HO-1), have been associated with the regulation of some pathophysiological features of SCI. Curcumin is a plant medicinal agent whose diverse pharmacological properties have been extensively investigated and reported, notably its ability to curtail inflammatory damage by inhibiting the nuclear factor-κ-light-chain-enhancer of activated B cells. In this review, we analyze the role of curcumin in activating Nrf2/HO-1 and scavenging free radicals to repair SCI. With its minimal side effects, curcumin could be a potential therapy for SCI treatment.
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Affiliation(s)
- Wenlong Jin
- Medical College, Shaoxing University, Shaoxing, China
| | | | - Xuehong Liu
- Medical College, Shaoxing University, Shaoxing, China
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26
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Zhou Z, Qiu N, Ou Y, Wei Q, Tang W, Zheng M, Xing Y, Li JJ, Ling Y, Li J, Zhu Q. N-Demethylsinomenine, an active metabolite of sinomenine, attenuates chronic neuropathic and inflammatory pain in mice. Sci Rep 2021; 11:9300. [PMID: 33927244 PMCID: PMC8085237 DOI: 10.1038/s41598-021-88521-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 04/12/2021] [Indexed: 01/07/2023] Open
Abstract
Chronic pain is a significant public health problem that afflicts nearly 30% of the global population, but current pharmacotherapies are insufficient. Previous report indicated that N-demethylsinomenine, an active metabolite of sinomenine, is efficacious against postoperative pain. The present study investigated whether N-demethylsinomenine is effective for chronic painful conditions or whether repeated treatment alters its effect. Both chronic constriction injury (CCI) surgery and complete Freund’s adjuvant (CFA) intraplantar injection induced significant and reliable mechanical allodynia at least for 7 days. Acute treatment with N-demethylsinomenine (10–40 mg/kg, i.p.) dose-dependently attenuated the mechanical allodynia both in CCI-induced neuropathic pain and CFA-induced inflammatory pain in mice. The potency of N-demethylsinomenine for reducing CFA-induced mechanical allodynia was slightly higher than sinomenine. During the period of repeated treatment, N-demethylsinomenine maintained its anti-allodynic effect against both neuropathic and inflammatory pain without producing carry-over effect. Pretreatment with bicuculline, a selective γ-aminobutyric acid type A (GABAA) receptor antagonist, almost completely blocked the anti-allodynia of N-demethylsinomenine (40 mg/kg) both in CCI and CFA-treated mice. Our findings indicated that N-demethylsinomenine exhibits GABAA receptor-mediated anti-allodynic effects in mouse models of neuropathic and inflammatory pain, suggesting it may be a useful novel pharmacotherapy for the control of chronic pain.
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Affiliation(s)
- Zhiyong Zhou
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Nanqing Qiu
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Yuntao Ou
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Qianqian Wei
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Wenting Tang
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Mingcong Zheng
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Yaluan Xing
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Jie-Jia Li
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Yong Ling
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China
| | - Junxu Li
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China.
| | - Qing Zhu
- School of Pharmacy, Nantong University, 19 Qixiu Road, Nantong, 226001, Jiangsu Province, China.
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Effects of Curcumin and Its Different Formulations in Preclinical and Clinical Studies of Peripheral Neuropathic and Postoperative Pain: A Comprehensive Review. Int J Mol Sci 2021; 22:ijms22094666. [PMID: 33925121 PMCID: PMC8125634 DOI: 10.3390/ijms22094666] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 04/22/2021] [Accepted: 04/26/2021] [Indexed: 12/11/2022] Open
Abstract
Lesion or disease of the somatosensory system leads to the development of neuropathic pain. Peripheral neuropathic pain encompasses damage or injury of the peripheral nervous system. On the other hand, 10–15% of individuals suffer from acute postoperative pain followed by persistent pain after undergoing surgeries. Antidepressants, anticonvulsants, baclofen, and clonidine are used to treat peripheral neuropathy, whereas opioids are used to treat postoperative pain. The negative effects associated with these drugs emphasize the search for alternative therapeutics with better efficacy and fewer side effects. Curcumin, a polyphenol isolated from the roots of Curcuma longa, possesses antibacterial, antioxidant, and anti-inflammatory properties. Furthermore, the low bioavailability and fast metabolism of curcumin have led to the advent of various curcumin formulations. The present review provides a comprehensive analysis on the effects of curcumin and its formulations in preclinical and clinical studies of neuropathic and postoperative pain. Based on the positive outcomes from both preclinical and clinical studies, curcumin holds the promise of mitigating or preventing neuropathic and postoperative pain conditions. However, more clinical studies with improved curcumin formulations are required to involve its use as adjuvant to neuropathic and postoperative drugs.
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Uddin SJ, Hasan MF, Afroz M, Sarker DK, Rouf R, Islam MT, Shilpi JA, Mubarak MS. Curcumin and its Multi-target Function Against Pain and Inflammation: An Update of Pre-clinical Data. Curr Drug Targets 2021; 22:656-671. [PMID: 32981501 DOI: 10.2174/1389450121666200925150022] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/01/2020] [Accepted: 07/07/2020] [Indexed: 11/22/2022]
Abstract
Pain is an unpleasant sensation that has complex and varying causative etiology. Modern drug discovery focuses on identifying potential molecules that target multiple pathways with a safer profile compared to those with a single target. The current treatment of pain and inflammation with the available therapeutics has a number of major side effects. Pain is one of the major clinical problems that need functional therapeutics which act on multiple targets and with low toxicity. Curcumin, a naturally occurring polyphenolic compound from Curcuma longa, has been used for years in Ayurvedic, Chinese, and in many other systems of traditional medicine. Pre-clinical data published thus far demonstrated that curcumin possesses multi-target biological functions, suggesting its potential use to cure different diseases. However, there is no or very brief systematic review of its potential use in pain and inflammation with underlying mechanisms for such activities. Accordingly, the aim of the current review was to update the pre-clinical data of curcumin and its multiple targeting pathways for analgesic and anti-inflammatory effects, and to further propose a molecular mechanism(s). A literature study was conducted using different known databases, including Pubmed, SciFinder, Google Scholar, and Science Direct. Available pre-clinical data suggest the ameliorating effect of curcumin in pain and inflammation is rendered through the modulation of pain pathways, including inhibition of a number of pro-inflammatory mediators, inhibition of oxidative stress and cyclooxygenase-2 (COX-2), down-regulation of Ca2+/calmodulin-depend protein kinase II (CaMKIIα) and calcium channels like transient receptor potential (TRP), modulation of metabotropic glutamate receptor-2 (mGlu2), modulation of monoamine system, inhibition of JAK2/STAT3 signaling pathway, remodeling of extracellular matrix proteins, inhibition of apoptosis, inhibition of JNK/MAPK and ERK/CREB signaling pathway, and activation of the opioid system. Taken all together, it is evident that curcumin is one of the promising, safe, and natural polyphenolic molecules that target multiple molecular pathways in pain and can be beneficial in the treatment and management of pain and inflammation.
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Affiliation(s)
- Shaikh Jamal Uddin
- Laboratory of Theoretical and Computational Biophysics, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Md Fahim Hasan
- Pharmacy Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh
| | - Mohasana Afroz
- Pharmacy Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh
| | - Dipto Kumer Sarker
- Pharmacy Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh
| | - Razina Rouf
- Department of Pharmacy, Life Science Faculty, Bangabandhu Sheikh Mujibur Rahman Science & Technology University, Gopalganj (Dhaka)-8100, Bangladesh
| | - Muhammad Torequl Islam
- Department of Pharmacy, Life Science Faculty, Bangabandhu Sheikh Mujibur Rahman Science & Technology University, Gopalganj (Dhaka)-8100, Bangladesh
| | - Jamil A Shilpi
- Pharmacy Discipline, Life Science School, Khulna University, Khulna 9208, Bangladesh
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Santos GX, Barbosa D, de-Souza GG, Kosour C, Parizotto NA, Dos Reis LM. Central involvement of 5-HT1A receptors in antinociception induced by photobiomodulation in animal model of neuropathic pain. Lasers Med Sci 2021; 37:821-829. [PMID: 33890191 DOI: 10.1007/s10103-021-03318-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 04/05/2021] [Indexed: 10/21/2022]
Abstract
This study aimed to investigate the central involvement of 5-HT1A receptors in the nociceptive behavior of mice submitted to the chronic constriction injury (CCI) of sciatic nerve and the subsequent application of photobiomodulation (PBM). Male mice (Swiss-albino) were submitted to CCI and subsequently received an infusion of WAY100635 (5-HT1A receptor antagonist) or intracerebroventricular saline (ICV), followed by infrared laser irradiation (808 nm), in continuous mode, with the power of 100 mW and a dose of 0 J/cm2 (control group) or 50 J/cm2. The thermal hyperalgesia was evaluated by hot plate test, while mechanical allodynia was evaluated by von Frey filaments. After CCI, animals showed a reduction in the nociceptive threshold (p<0.001) when compared to the sham group. In von Frey test, the CCI + saline + PBM 50 J/cm2 group showed an increase in nociceptive threshold (p<0.001) in all measurement moments in comparison with groups CCI + SALINE + PBM 0 J/cm2, CCI + WAY100635 + PBM 50 J/cm2, and CCI + WAY100635 + PBM 0 J/cm2. Similarly, in hot plate test, CCI + SALINE + PBM 50 J/cm2 group showed an increase in nociceptive threshold after application of PBM at 120 and 180 min. Because of the results found, it can be suggested the involvement of 5-HT1A receptors in the central nervous system, since WAY100635 was able to reverse the antinociceptive effect provided by PBM in animals submitted to CCI.
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Affiliation(s)
| | - Danillo Barbosa
- State University of Midwest Paraná - Unicentro, Guarapuava, PR, Brazil
| | | | - Carolina Kosour
- Physiotherapy Department, Federal University of Alfenas (UNIFAL), Alfenas, Brazil
| | | | - Luciana Maria Dos Reis
- Physiotherapy Department, Federal University of Alfenas (UNIFAL), Alfenas, Brazil.,Physiotherapy Department, Federal University of Paraiba (UFPB), João Pessoa, Brazil
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Effects of Curcumin Treatment in a Diabetic Neuropathic Pain Model of Rats: Involvement of c-Jun N-Terminal Kinase Located in the Astrocytes and Neurons of the Dorsal Root Ganglion. Pain Res Manag 2021; 2021:8787231. [PMID: 33532012 PMCID: PMC7837777 DOI: 10.1155/2021/8787231] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/06/2020] [Accepted: 01/08/2021] [Indexed: 12/28/2022]
Abstract
Curcumin (diferuloylmethane) is a major component of turmeric, which is isolated from the rhizomes of Curcuma longa L. from the family Zingiberaceae. It is used as a dietary pigment for curry and in traditional Indian medicine for its anti-inflammatory and attenuating pain effects. This study aimed to evaluate the beneficial effects of curcumin in a rat model of diabetic neuropathic pain. Additionally, we investigated the involvement of the phosphorylated form of c-Jun N-terminal kinase (pJNK) located in the neurons and astrocytes of the dorsal root ganglion (DRG). To induce diabetic neuropathic pain in rats, 50 mg/kg of streptozotocin (STZ) was intraperitoneally injected. After 4 weeks, rats were administered the vehicle, 10 mg/kg/day curcumin, or 50 mg/kg/day curcumin orally for 4 consecutive weeks. One day after the final drug administration, we performed behavioral tests to measure responses of rats to mechanical, heat, cold, and acetone-induced cold stimuli. After behavioral tests, pJNK expression in the DRG was evaluated using western blot assay and immunohistochemistry. Curcumin treatment for 4 consecutive weeks in STZ-induced diabetic neuropathic pain rats improved behavioral responses to mechanical, cold, and thermal stimuli. Increased pJNK expression in the astrocytes and neurons of the DRG in STZ-induced diabetic neuropathic pain rats was reduced by curcumin treatment for 4 consecutive weeks. We suggest that curcumin can be an option for the treatment of diabetes-related neuropathic pain, and one of the mechanisms that underlie the action of curcumin may involve pJNK expression in the astrocytes and neurons of the DRG.
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31
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Khursheed R, Singh SK, Wadhwa S, Gulati M, Kapoor B, Awasthi A, Kr A, Kumar R, Pottoo FH, Kumar V, Dureja H, Anand K, Chellappan DK, Dua K, Gowthamarajan K. Opening eyes to therapeutic perspectives of bioactive polyphenols and their nanoformulations against diabetic neuropathy and related complications. Expert Opin Drug Deliv 2020; 18:427-448. [PMID: 33356647 DOI: 10.1080/17425247.2021.1846517] [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: 12/17/2022]
Abstract
Introduction: Diabetic neuropathy (DN) is one of the major complications arising from hyperglycaemia in diabetic patients. In recent years polyphenols present in plants have gained attention to treat DN. The main advantages associated with them are their action via different molecular pathways to manage DN and their safety. However, they failed to gain clinical attention due to challenges associated with their formulation development such as lipophilicity,poor bioavailability, rapid systemic elimination, and enzymatic degradation.Area covered: This article includes different polyphenols that have shown their potential against DN in preclinical studies and the research carried out towards development of their nanoformulations in order to overcome aforementioned issues.Expert opinion: In this review various polyphenol based nanoformulations such as nanospheres, self-nanoemulsifying drug delivery systems, niosomes, electrospun nanofibers, metallic nanoparticles explored exclusively to treat DN are discussed. However, the literature available related to polyphenol based nanoformulations to treat DN is limited. Moreover, these experiments are limited to preclinical studies. Hence, more focus is required towards development of nanoformulations using simple and single step process as well as inexpensive and non-toxic excipients so that a stable, scalable, reproducible and non-toxic formulation could be achieved and clinical trials could be initiated.
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Affiliation(s)
- Rubiya Khursheed
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Sheetu Wadhwa
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Bhupinder Kapoor
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Ankit Awasthi
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Arya Kr
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Rajan Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Faheem Hyder Pottoo
- Department of Pharmacology, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Vijay Kumar
- Department of Biotechnology, School of Bioengineering and Biosciences, Faculty of Technology and Sciences, Lovely Professional University, Phagwara, Punjab, India
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana, India
| | - Krishnan Anand
- Department of Chemical Pathology, School of Pathology, Faculty of Health Sciences and National Health Laboratory Service, University of the Free State, Bloemfontein, South Africa
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur, Malaysia
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Australia
| | - K Gowthamarajan
- Department of Pharmaceutics, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India.,Centre of Excellence in Nanoscience & Technology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
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Caillaud M, Aung Myo YP, McKiver BD, Osinska Warncke U, Thompson D, Mann J, Del Fabbro E, Desmoulière A, Billet F, Damaj MI. Key Developments in the Potential of Curcumin for the Treatment of Peripheral Neuropathies. Antioxidants (Basel) 2020; 9:antiox9100950. [PMID: 33023197 PMCID: PMC7600446 DOI: 10.3390/antiox9100950] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 09/11/2020] [Accepted: 09/23/2020] [Indexed: 12/11/2022] Open
Abstract
Peripheral neuropathies (PN) can be triggered after metabolic diseases, traumatic peripheral nerve injury, genetic mutations, toxic substances, and/or inflammation. PN is a major clinical problem, affecting many patients and with few effective therapeutics. Recently, interest in natural dietary compounds, such as polyphenols, in human health has led to a great deal of research, especially in PN. Curcumin is a polyphenol extracted from the root of Curcuma longa. This molecule has long been used in Asian medicine for its anti-inflammatory, antibacterial, and antioxidant properties. However, like numerous polyphenols, curcumin has a very low bioavailability and a very fast metabolism. This review addresses multiple aspects of curcumin in PN, including bioavailability issues, new formulations, observations in animal behavioral tests, electrophysiological, histological, and molecular aspects, and clinical trials published to date. The, review covers in vitro and in vivo studies, with a special focus on the molecular mechanisms of curcumin (anti-inflammatory, antioxidant, anti-endoplasmic reticulum stress (anti-ER-stress), neuroprotection, and glial protection). This review provides for the first time an overview of curcumin in the treatment of PN. Finally, because PN are associated with numerous pathologies (e.g., cancers, diabetes, addiction, inflammatory disease...), this review is likely to interest a large audience.
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Affiliation(s)
- Martial Caillaud
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA; (Y.P.A.M.); (B.D.M.); (U.O.W.); (D.T.); (J.M.)
- Correspondence: (M.C.); (M.I.D.)
| | - Yu Par Aung Myo
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA; (Y.P.A.M.); (B.D.M.); (U.O.W.); (D.T.); (J.M.)
| | - Bryan D. McKiver
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA; (Y.P.A.M.); (B.D.M.); (U.O.W.); (D.T.); (J.M.)
| | - Urszula Osinska Warncke
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA; (Y.P.A.M.); (B.D.M.); (U.O.W.); (D.T.); (J.M.)
| | - Danielle Thompson
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA; (Y.P.A.M.); (B.D.M.); (U.O.W.); (D.T.); (J.M.)
| | - Jared Mann
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA; (Y.P.A.M.); (B.D.M.); (U.O.W.); (D.T.); (J.M.)
| | - Egidio Del Fabbro
- Division of Hematology/Oncology and Palliative Care, Massey Cancer Center, Virginia Commonwealth University, Richmond, VA 23298, USA;
- Translational Research Initiative for Pain and Neuropathy at VCU, Virginia Commonwealth University, Richmond, VA 23298, USA
| | - Alexis Desmoulière
- Myelin Maintenance and Peripheral Neuropathies EA6309, Faculties of Medicine and Pharmacy, University of Limoges, F-87000 Limoges, France; (A.D.); (F.B.)
| | - Fabrice Billet
- Myelin Maintenance and Peripheral Neuropathies EA6309, Faculties of Medicine and Pharmacy, University of Limoges, F-87000 Limoges, France; (A.D.); (F.B.)
| | - M. Imad Damaj
- Department of Pharmacology and Toxicology, Medical College of Virginia Campus, Virginia Commonwealth University, Richmond, VA 23298, USA; (Y.P.A.M.); (B.D.M.); (U.O.W.); (D.T.); (J.M.)
- Translational Research Initiative for Pain and Neuropathy at VCU, Virginia Commonwealth University, Richmond, VA 23298, USA
- Correspondence: (M.C.); (M.I.D.)
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Djuichou Nguemnang SF, Tsafack EG, Mbiantcha M, Ateufack G, Yousseu Nana W, Atsamo AD, Adjouzem CF, Matah Marthe Mba V, Ben Besong E. Antihypernociceptive, Anxiolytic, and Antidepressant Properties of Aqueous and Ethanol Extracts of Dissotis thollonii Cogn. (Melastomataceae) in Mice. Adv Pharmacol Pharm Sci 2020; 2020:8886894. [PMID: 33015629 PMCID: PMC7525301 DOI: 10.1155/2020/8886894] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/01/2020] [Accepted: 09/14/2020] [Indexed: 12/14/2022] Open
Abstract
Diabetic neuropathy, which affects 7 to 9% of the world's population and that is usually accompanied by anxiety and depression, is chronic pain that results from impaired function of the central or peripheral nervous system. This study aimed at evaluating the antihypernociceptive, antiallodynic, anxiolytic, and antidepressant effects of Dissotis thollonii extracts. Diabetic neuropathy was induced by intraperitoneal injection of streptozotocin (200 mg/kg) in mice. The aqueous and ethanol extracts (250 and 500 mg/kg) were administered orally. Hyperalgesia (thermal and chemical), allodynia (mechanical and thermal), anxiety (high plus labyrinth, light-dark box, and social interaction), and depression (open field test, suspension test tail, and forced swimming test) were evaluated, and then the levels of some cytokines and growth factors were determined. The aqueous and ethanol extracts of Dissotis thollonii demonstrated significant antihypernociceptive (inhibition of hyperalgesia and allodynia), anxiolytic, and antidepressant activities in mice made diabetic by STZ. The extracts also significantly inhibited (p < 0.001) the levels of TNF-α, IL-1β, and IL-6 in the blood as well as the levels of TNF-α, IL-1β, IL-6, IGF, and NGF in the sciatic nerve. This study shows that the extracts of Dissotis thollonii have antihypernociceptive and neuroprotective effects which could be linked to the inhibition of proinflammatory cytokines and growth factors in the blood and the sciatic nerve.
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Affiliation(s)
- Stephanie Flore Djuichou Nguemnang
- Laboratory of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
| | - Eric Gonzal Tsafack
- Laboratory of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
| | - Marius Mbiantcha
- Laboratory of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
| | - Gilbert Ateufack
- Laboratory of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
| | - William Yousseu Nana
- Laboratory of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
| | - Albert Donatien Atsamo
- Laboratory of Animal Physiology, Faculty of Science, University of Yaounde I, P.O. Box 812, Yaoundé, Cameroon
| | - Carine Flore Adjouzem
- Laboratory of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
| | - Vanessa Matah Marthe Mba
- Laboratory of Animal Physiology and Phytopharmacology, Department of Animal Biology, Faculty of Science, University of Dschang, P.O. Box 67 Dschang, Cameroon
| | - Egbe Ben Besong
- Department of Zoology and Animal Physiology, Faculty of Science, University of Buea, P.O. Box 63, Buea, Cameroon
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Erfanparast A, Tamaddonfard E, Henareh-Chareh F. Central H 2 histaminergic and alpha-2 adrenergic receptors involvement in crocetin-induced antinociception in orofacial formalin pain in rats. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2020; 11:229-234. [PMID: 33133459 PMCID: PMC7597797 DOI: 10.30466/vrf.2018.83779.2101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2018] [Accepted: 07/24/2018] [Indexed: 11/26/2022]
Abstract
Previous findings have shown that saffron (Crocus sativus L.) extract and its active constituents produce antinociceptive effects in the rat models of orofacial pain. In the present study, the central H2 histaminergic and alpha-2 adrenergic receptors involvement in crocetin-induced antinociception in orofacial formalin pain in rats was evaluated. The guide cannula was implanted into the fourth ventricle in ketamine-xylazine anesthetized rats. Subcutaneous injection of a diluted formalin solution (1.50%; 50.00 µL) into a vibrissae pad was used as a model of orofacial pain. Face rubbing behavior durations were recorded at 3 min blocks for 45 min. Formalin produced a biphasic pain response (first phase: 0-3 min and second phase: 15-33 min). Intra-fourth ventricle injections of crocetin (5.00 and 10.00 μg μL-1) suppressed, whereas yohimbine (10.00 μg μL-1) and naloxone (10.00 μg μL-1) increased the intensity of both phases of pain. Crocetin-induced antinociception was not prevented by central pretreatment with naloxone. However, the antinociceptive effect of crocetin (5.00 μg μL-1) was inhibited by prior administration of famotidine (10.00 μg μL-1) and yohimbine (10.00 μg μL-1). Our study showed that injection of crocetin into the cerebral fourth ventricle attenuated formalin-induced orofacial pain in rats. Central H2 histaminergic and alpha-2 adrenergic receptors, but not opioid receptors, might be involved in crocetin-induced antinociception.
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Affiliation(s)
- Amir Erfanparast
- Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran;
| | - Esmaeal Tamaddonfard
- Department of Basic Sciences, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran;
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Co-administration of Pregabalin and Curcumin Synergistically Decreases Pain-Like Behaviors in Acute Nociceptive Pain Murine Models. Molecules 2020; 25:molecules25184172. [PMID: 32933086 PMCID: PMC7570647 DOI: 10.3390/molecules25184172] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 01/17/2023] Open
Abstract
Analgesic drugs in a combination-form can achieve greater efficacy with lesser side effects compared to either drug alone. The combination of drugs acting at different targets or mechanisms of action has been recognized as an alternative approach for achieving optimal analgesia. In this study, the analgesic effects of pregabalin (30, 60, 100, 200 mg/kg), curcumin (15, 30, 60, 100, 120 mg/kg), and 1:1 fixed-dose ratio of the pregabalin-curcumin combination were assessed using two acute nociceptive pain models, the acetic acid-induced writhing and tail-flick tests in mice. The pregabalin-curcumin combination produced a dose-dependent decrease in mean of writhes and an increase in the percentage of antinociception by the acetic acid-induced writhing test. In the tail-flick test, the combination also showed an improvement in antinociception indicated by the tail-flick latency, % antinociception, and area under the curve (AUC). Isobolographic analysis of interactions demonstrated a significant synergistic interaction effect between pregabalin and curcumin in both acute nociceptive pain models with the experimental ED50 below the predicted additive line and the combination index < 1. These findings demonstrate that the combination of pregabalin and curcumin exhibits a synergistic interaction in mouse models of acute nociceptive pain.
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Kumar B, Singh SK, Prakash T, Bhatia A, Gulati M, Garg V, Pandey NK, Singh S, Melkani I. Pharmacokinetic and pharmacodynamic evaluation of Solid self-nanoemulsifying delivery system (SSNEDDS) loaded with curcumin and duloxetine in attenuation of neuropathic pain in rats. Neurol Sci 2020; 42:1785-1797. [PMID: 32885394 DOI: 10.1007/s10072-020-04628-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 07/23/2020] [Indexed: 10/23/2022]
Abstract
The present investigation is focused on improving oral bioavailability of poorly soluble and lipophilic drugs, curcumin (CRM) and duloxetine (DXH), through the solid self-nanoemulsifying drug delivery system (S-SNEDDS) and identifying their potential against attenuation of NP in chronic constriction injury (CCI)-induced rats through the solid self-nanoemulsifying drug delivery system (S-SNEDDS). The optimized batch of S-SNEDDS reported was containing CRM and DXH (30 mg each), castor oil (20% w/w), tween-80 (40% w/w), transcutol-P (40% w/w), and syloid 244 FP (1 g). The high dose of each of naïve CRM (NCH), naïve DXH (NDH), physical mixture of DXH and CRM (C-NCM-DXH), S-SNEDDS-CRM (SCH), S-SNEDDS-DXH (SDH), and S-SNEDDS-CRM-DXH (C-SCH-SDH) was subjected for MTT assay. The developed formulations were subjected to pharmacokinetic studies and results showed about 8 to 11.06 and 2-fold improvement in oral bioavailability of CRM and DXH through S-SNEDDS. Furthermore, CCI-induced male Wistar rats were treated with SSNEDDS containing CRM and DXH, S-SNEDDS containing individual drug, individual naïve forms, and their combination from the day of surgery for 14 days and evaluated for behavioral at pre-determined time intervals. On the terminal day, animals were sacrificed to assess tissue myeloperoxidase, superoxide anion, protein, tumor necrosis factor-α, total calcium levels, and histopathological changes. Pronounced effect was observed in rats treated with S-SNEDDS containing both drugs with respect to rats receiving any of other treatments owing to enhanced oral bioavailability through S-SNEDDS. Therefore, it can be concluded that S-SNEDDS of both drugs and their coadministration can accelerate the prevention of NP.
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Affiliation(s)
- Bimlesh Kumar
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - T Prakash
- Department of Physiology and Pharmacology, Acharya and B.M. Reddy College of Pharmacy, Soladeuanahalli Hesargatta Road, Chikkabanawara Post, Bangalore, Karnataka, 560 090, India.
| | - Amit Bhatia
- Department of Pharm. Sci. & Tech, Maharaja Ranjit Singh Punjab Technical University, Bathinda, Punjab, India
| | - Monica Gulati
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Varun Garg
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Narendra Kumar Pandey
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Saurabh Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Indu Melkani
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India
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Curcumin: an inflammasome silencer. Pharmacol Res 2020; 159:104921. [DOI: 10.1016/j.phrs.2020.104921] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2020] [Revised: 05/07/2020] [Accepted: 05/08/2020] [Indexed: 12/24/2022]
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Curcumin Diglutaric Acid, a Prodrug of Curcumin Reduces Pain Hypersensitivity in Chronic Constriction Injury of Sciatic Nerve Induced-Neuropathy in Mice. Pharmaceuticals (Basel) 2020; 13:ph13090212. [PMID: 32867013 PMCID: PMC7558758 DOI: 10.3390/ph13090212] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 08/04/2020] [Accepted: 08/21/2020] [Indexed: 02/06/2023] Open
Abstract
The drug treatment for neuropathic pain remains a challenge due to poor efficacy and patient satisfaction. Curcumin has been reported to alleviate neuropathic pain, but its clinical application is hindered by its low solubility and poor oral bioavailability. Curcumin diglutaric acid (CurDG) is a curcumin prodrug with improved water solubility and in vivo antinociceptive effects. In this study, we investigated the anti-inflammatory mechanisms underlying the analgesic effect of CurDG in the chronic constriction injury (CCI)-induced neuropathy mouse model. Repeated oral administration of CurDG at a low dose equivalent to 25 mg/kg/day produced a significant analgesic effect in this model, both anti-allodynic activity and anti-hyperalgesic activity appearing at day 3 and persisting until day 14 post-CCI surgery (p < 0.001) while having no significant effect on the motor performance. Moreover, the repeated administration of CurDG diminished the increased levels of the pro-inflammatory cytokines: TNF-α and IL-6 in the sciatic nerve and the spinal cord at the lowest tested dose (equimolar to 25 mg/kg curcumin). This study provided pre-clinical evidence to substantiate the potential of pursuing the development of CurDG as an analgesic agent for the treatment of neuropathic pain.
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Wu J, Wang Y, Cui W, Zhou W, Zhao X. 5-HT 1A receptor-mediated attenuation of heat hyperalgesia and mechanical allodynia by chrysin in mice with experimental mononeuropathy. Reg Anesth Pain Med 2020; 45:610-619. [PMID: 32561651 DOI: 10.1136/rapm-2020-101472] [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] [Received: 03/18/2020] [Revised: 05/17/2020] [Accepted: 05/20/2020] [Indexed: 11/04/2022]
Abstract
BACKGROUND Persistent neuropathic pain poses a health problem, for which effective therapy or antidote is in dire need. This work aimed to investigate the pain-relieving effect of chrysin, a natural flavonoid with monoamine oxidase inhibitory activity, in an experimental model of neuropathic pain and elucidate mechanism(s). METHODS Chronic constriction injury (CCI) was produced by loose ligation of sciatic nerve in mice. The pain-related behaviors were examined using von Frey test and Hargreaves test. The serotonin-related mechanisms were investigated by serotonin depletion with p-chlorophenylalanine (PCPA) and antagonist tests in vivo and in vitro. RESULTS Repeated treatment of CCI mice with chrysin (orally, two times per day for 2 weeks) ameliorated heat hyperalgesia and mechanical allodynia in a dose-dependent fashion (3-30 mg/kg). The chrysin-triggered pain relief seems serotonergically dependent, since its antihyperalgesic and antiallodynic actions were abolished by chemical depletion of serotonin by PCPA, whereas potentiated by 5-hydroxytryptophan (a precursor of 5-HT). Consistently, chrysin-treated neuropathic mice showed enhanced levels of spinal monoamines especially 5-HT, with depressed monoamine oxidase activity. Moreover, chrysin-evoked pain relief was preferentially counteracted by 5-HT1A receptor antagonist WAY-100635 delivered systematically or spinally. In vitro, chrysin (0.1-10 nM) increased the maximum effect (Emax, shown as stimulation of [35S] GTPγS binding) of 8-OH-DPAT, a 5-HT1A agonist. Beneficially, chrysin was able to correct comorbid behavioral symptoms of depression and anxiety evoked by neuropathic pain, without causing hypertensive crisis (known as 'cheese reaction'). CONCLUSION These findings confirm the antihyperalgesic and antiallodynic efficacies of chrysin, with spinal 5-HT1A receptors being critically engaged.
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Affiliation(s)
- Jiayi Wu
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Yangui Wang
- Department of Geriatrics, Hunan Provincial People's Hospital, Changsha, China
| | - Wugeng Cui
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Wenhua Zhou
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
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Liu QQ, Yao XX, Gao SH, Li R, Li BJ, Yang W, Cui RJ. Role of 5-HT receptors in neuropathic pain: potential therapeutic implications. Pharmacol Res 2020; 159:104949. [PMID: 32464329 DOI: 10.1016/j.phrs.2020.104949] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/15/2020] [Accepted: 05/19/2020] [Indexed: 10/24/2022]
Abstract
5-HT plays a crucial role in the progress and adjustment of pain both centrally and peripherally. The therapeutic action of the 5-HT receptors` agonist and antagonist in neuropathic pain have been widely reported in many studies. However, the specific roles of 5-HT subtype receptors have not been reviewed comprehensively. Therefore, we summarized the recent findings on multiple subtypes of 5-HT receptors in both central and peripheral nervous system in neuropathic pain, particularly, 5-HT1, 5-HT2, 5-HT3 and 5-HT7 receptors. In addition, 5-HT4, 5-HT5 and 5-HT6 receptors were also reviewed. Most of studies focused on the function of 5-HT subtype receptors in spinal level compared to brain areas. Based on these evidences, the pain process can be facilitated or inhibited that depending on the specific subtypes and the distribution of 5-HT receptors. Therefore, this review may provide potential therapeutic implications in treatment of neuropathic pain.
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Affiliation(s)
- Qian Qian Liu
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China; Hand Surgery Department, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Xiao Xiao Yao
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Shuo Hui Gao
- Department of Gastrointestinal Colorectal Surgery, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Rui Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China; Hand Surgery Department, The Second Hospital of Jilin University, Changchun, Jilin Province, China
| | - Bing Jin Li
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Wei Yang
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China
| | - Ran Ji Cui
- Jilin Provincial Key Laboratory on Molecular and Chemical Genetic, The Second Hospital of Jilin University, Changchun, China.
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Abstract
Objectives: The beneficial effects of many substances have been discovered because of regular dietary consumption. This is also the case with curcumin, whose effects have been known for more than 4,000 years in Eastern countries such as China and India. A curcumin-rich diet has been known to counteract many human diseases, including cancer and diabetes, and has been shown to reduce inflammation. The effect of a curcumin treatment for neurological diseases, such as spinal muscular atrophy; Alzheimer's disease; Parkinson's disease; amyotrophic lateral sclerosis; multiple sclerosis; and others, has only recently been brought to the attention of researchers and the wider population.Methods: In this paper, we summarise the studies on this natural product, from its isolation two centuries ago to its characterisation a century later.Results: We describe its role in the treatment of neurological diseases, including its cellular and common molecular mechanisms, and we report on the clinical trials of curcumin with healthy people and patients.Discussion: Commenting on the different approaches adopted by the efforts made to increase its bioavailability.
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Affiliation(s)
- Raffaella Adami
- Department of Health Sciences, University of Milan, Milan, Italy
| | - Daniele Bottai
- Department of Health Sciences, University of Milan, Milan, Italy
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Serotonergically dependent antihyperalgesic and antiallodynic effects of isoliquiritin in a mouse model of neuropathic pain. Eur J Pharmacol 2020; 881:173184. [PMID: 32417324 DOI: 10.1016/j.ejphar.2020.173184] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 04/17/2020] [Accepted: 05/08/2020] [Indexed: 12/23/2022]
Abstract
Chronic neuropathic pain poses a significant health problem worldwide, for which effective treatment is lacking. The current work aimed to investigate the potential analgesic effect of isoliquiritin, a flavonoid from Glycyrrhiza uralensis, against neuropathic pain and elucidate mechanisms. Male C57BL/6J mice were subjected to chronic constriction injury (CCI) by loose ligation of their sciatic nerves. Following CCI surgery, the neuropathic mice developed pain-like behaviors, as shown by thermal (heat) hyperalgesia in the Hargreaves test and tactile allodynia in the von Frey test. Repetitive treatment of CCI mice with isoliquiritin (p.o., twice per day for two weeks) ameliorated behavioral hyperalgesia to thermal (heat) stimuli and allodynia to tactile stimuli in a dose-dependent fashion (5, 15 and 45 mg/kg). The isoliquiritin-triggered analgesia seems serotonergically dependent, since its antihyperalgesic and antiallodynic actions were totally abolished by chemical depletion of spinal serotonin by p-chlorophenylalanine, whereas potentiated by 5-HTP (a precursor of 5-HT). Consistently, isoliquiritin-treated neuropathic mice showed escalated levels of spinal monoamines especially 5-HT, with depressed monoamine oxidase activity. Moreover, isoliquiritin-evoked antihyperalgesia and antiallodynia were preferentially counteracted by the 5-HT1A receptor antagonist WAY-100635 delivered systematically or spinally. Of notable benefit, isoliquiritin was able to correct co-morbid behavioral symptoms of depression and anxiety evoked by neuropathic pain. Collectively, these findings demonstrate, for the first time, the therapeutic efficacy of isoliquiritin on neuropathic hypersensitivity, and this effect is dependent on the spinal serotonergic system and 5-HT1A receptors.
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Singh P, Dabre S. Controlled Release Gel Encompassing Curcumin Microspheres and Diclofenac Diethylamine for Feat Against Arthritis Inflammation. Curr Rheumatol Rev 2020; 16:110-119. [DOI: 10.2174/1573397115666191105142827] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 07/13/2019] [Accepted: 10/28/2019] [Indexed: 11/22/2022]
Abstract
Background:
Diclofenac and curcumin is anticipated to have synergistic action. Hence,
topical route of administration can be used in minimizing the issues with oral administration of both
drugs.
Objective:
This research aims at formulation of controlled release dosage form containing curcumin
microspheres and diclofenac diethylamine and then incorporating it into gel formulation for treatment
of inflammation associated with rheumatoid arthritis.
Methods:
Curcumin microspheres were prepared, optimized and assayed. Gel containing microspheres
was formulated and evaluated for physicochemical parameters like spreadability and viscosity.
In vitro and ex vivo diffusion studies were carried out followed by evaluation of efficacy.
Efficacy of the developed formulation was evaluated for anti-inflammatory activity.
Results:
Particle size, Zeta potential, pH, spreadability and viscosity of optimized Batch F1 was
found to be in range 0.5 μm - 5 μm,-27.9 mV, 6.2, 105 g cm/s and 7500 cps respectively. In vitro
diffusion of developed gel of diclofenac diethylamine and curcumin was found to be 92.16 ±
0.0040 % in 3 h and 92.54 ± 0.0036 % in 12 h as compared to 79.57 ± 0.004 % diffusion in 2 h for
marketed gel, thus showing controlled delivery of curcumin.
Conclusion:
Decreased inflammation in formulation treated group by 72.53% and 50.75% in marketed
treated group was seen. Thus the formulation developed showed prolonged activity as well as
better anti-inflammatory activity.
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Affiliation(s)
- Prabha Singh
- Department of Pharmaceutics, Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle, Mumbai, Maharashtra, India
| | - Shalan Dabre
- Department of Pharmaceutics, Dr. Bhanuben Nanavati College of Pharmacy, Vile Parle, Mumbai, Maharashtra, India
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Gao KX, Zhao Q, Wang GR, Yu L, Wu JY, Zhao X. Isorhynchophylline Exerts Antinociceptive Effects on Behavioral Hyperalgesia and Allodynia in a Mouse Model of Neuropathic Pain: Evidence of a 5-HT 1A Receptor-Mediated Mechanism. Front Pharmacol 2020; 11:318. [PMID: 32256369 PMCID: PMC7093567 DOI: 10.3389/fphar.2020.00318] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 03/04/2020] [Indexed: 11/13/2022] Open
Abstract
Chronic neuropathic pain poses a significant health problem, for which effective therapy is lacking. The current work aimed to investigate the potential antinociceptive efficacy of isorhynchophylline, an oxindole alkaloid, against neuropathic pain and elucidate mechanisms. Male C57BL/6J mice were subjected to chronic constriction injury (CCI) by loose ligation of their sciatic nerves. Following CCI surgery, the neuropathic mice developed pain-like behaviors, as shown by thermal hyperalgesia in the Hargreaves test and tactile allodynia in the von Frey test. Repetitive treatment of CCI mice with isorhynchophylline (p.o., twice per day for two weeks) ameliorated behavioral hyperalgesia and allodynia in a dose-dependent fashion (5, 15, and 45 mg/kg). The isorhynchophylline-triggered antinociception seems serotonergically dependent, since its antinociceptive actions on neuropathic hyperalgesia and allodynia were totally abolished by chemical depletion of spinal serotonin by PCPA, whereas potentiated by 5-HTP (a precursor of 5-HT). Consistently, isorhynchophylline-treated neuropathic mice showed escalated levels of spinal monoamines especially 5-HT, with depressed monoamine oxidase activity. Moreover, the isorhynchophylline-evoked antinociception was preferentially counteracted by co-administration of 5-HT1A receptor antagonist WAY-100635. In vitro, isorhynchophylline (0.1-10 nM) increased the Emax (stimulation of [35S] GTPγS binding) of 8-OH-DPAT, a 5-HT1A agonist. Of notable benefit, isorhynchophylline was able to correct co-morbidly behavioral symptoms of depression and anxiety evoked by neuropathic pain. Collectively, these findings confirm, for the first time, the disease-modifying efficacy of isorhynchophylline on neuropathic hypersensitivity, and this effect is dependent on spinal serotonergic system and 5-HT1A receptors.
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Affiliation(s)
- Ke-Xin Gao
- Department of Pharmacology, School of Medical Science, Ningbo University, Ningbo, China
| | - Qing Zhao
- Department of Neurology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Gang-Ren Wang
- Department of Orthopedics, Shanghai Central Hospital of Chinese People's Armed Police Force, Shanghai, China
| | - Lu Yu
- Department of Traditional Chinese Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jia-Yi Wu
- Department of Pharmacology, School of Medical Science, Ningbo University, Ningbo, China
| | - Xin Zhao
- Department of Pharmacology, School of Medical Science, Ningbo University, Ningbo, China
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Kremer M, Megat S, Bohren Y, Wurtz X, Nexon L, Ceredig RA, Doridot S, Massotte D, Salvat E, Yalcin I, Barrot M. Delta opioid receptors are essential to the antiallodynic action of Β 2-mimetics in a model of neuropathic pain. Mol Pain 2020; 16:1744806920912931. [PMID: 32208806 PMCID: PMC7097867 DOI: 10.1177/1744806920912931] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The adrenergic system, because of its reported implication in pain mechanisms, may be a potential target for chronic pain treatment. We previously demonstrated that β2-adrenoceptors (β2-ARs) are essential for neuropathic pain treatment by antidepressant drugs, and we showed that agonists of β2-ARs, that is, β2-mimetics, had an antiallodynic effect per se following chronic administration. To further explore the downstream mechanism of this action, we studied here the role of the opioid system. We used behavioral, genetic, and pharmacological approaches to test whether opioid receptors were necessary for the antiallodynic action of a short acting (terbutaline) and a long-acting (formoterol) β2-mimetic. Using the Cuff model of neuropathic pain in mice, we showed that chronic treatments with terbutaline (intraperitoneal) or formoterol (orally) alleviated mechanical hypersensitivity. We observed that these β2-mimetics remained fully effective in μ-opioid and in κ-opioid receptor deficient mice, but lost their antiallodynic action in δ-opioid receptor deficient mice, either female or male. Accordingly, we showed that the δ-opioid receptor antagonist naltrindole induced an acute relapse of allodynia in mice with neuropathic pain chronically treated with the β2-mimetics. Such relapse was also observed following administration of the peripheral opioid receptor antagonist naloxone methiodide. These data demonstrate that the antiallodynic effect of long-term β2-mimetics in a context of neuropathic pain requires the endogenous opioid system, and more specifically peripheral δ-opioid receptors.
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Affiliation(s)
- Mélanie Kremer
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Salim Megat
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Yohann Bohren
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Xavier Wurtz
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Laurent Nexon
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Rhian Alice Ceredig
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Stéphane Doridot
- Centre National de la Recherche Scientifique, Université de Strasbourg, Chronobiotron, Strasbourg, France
| | - Dominique Massotte
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Eric Salvat
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France.,Hôpitaux Universitaires de Strasbourg, Centre d'Evaluation et de Traitement de la Douleur, Strasbourg, France
| | - Ipek Yalcin
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
| | - Michel Barrot
- Centre National de la Recherche Scientifique, Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives, Strasbourg, France
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Pastrana-Quintos T, Salgado-Moreno G, Pérez-Ramos J, Coen A, Godínez-Chaparro B. Anti-allodynic effect induced by curcumin in neuropathic rat is mediated through the NO-cyclic-GMP-ATP sensitive K + channels pathway. BMC Complement Med Ther 2020; 20:83. [PMID: 32171311 PMCID: PMC7076866 DOI: 10.1186/s12906-020-2867-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Accepted: 02/26/2020] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Recent studies pointed up that curcumin produces an anti-nociceptive effect in inflammatory and neuropathic pain. However, the possible mechanisms of action that underline the anti-allodynic effect induced by curcumin are not yet established. The purpose of this study was to determine the possible anti-allodynic effect of curcumin in rats with L5-L6 spinal nerve ligation (SNL). Furthermore, we study the possible participation of the NO-cyclic GMP-ATP-sensitive K+ channels pathway in the anti-allodynic effect induced by curcumin. METHODS Tactile allodynia was measured using von Frey filaments by the up-down method in female Wistar rats subjected to SNL model of neuropathic pain. RESULTS Intrathecal and oral administration of curcumin prevented, in a dose-dependent fashion, SNL-induced tactile allodynia. The anti-allodynic effect induced by curcumin was prevented by the intrathecal administration of L-NAME (100 μg/rat, a non-selective nitric oxide synthase inhibitor), ODQ (10 μg/rat, an inhibitor of guanylate-cyclase), and glibenclamide (50 μg/rat, channel blocker of ATP-sensitive K+ channels). CONCLUSIONS These data suggest that the anti-allodynic effect induced by curcumin is mediated, at least in part, by the NO-cyclic GMP-ATP-sensitive K+ channels pathway in the SNL model of neuropathic pain in rats.
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Affiliation(s)
- Tracy Pastrana-Quintos
- Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Xochimilco, Calzada del Hueso 1100, Colonia Villa Quietud, 04960, Mexico, D.F., Mexico
| | - Giovanna Salgado-Moreno
- Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Xochimilco, Calzada del Hueso 1100, Colonia Villa Quietud, 04960, Mexico, D.F., Mexico
| | - Julia Pérez-Ramos
- Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Xochimilco, Calzada del Hueso 1100, Colonia Villa Quietud, 04960, Mexico, D.F., Mexico
| | - Arrigo Coen
- Departamento de Matemáticas, Facultad de Ciencias, Universidad Nacional Autónoma de México, CDMX, Apartado Postal 20-726, 01000, México, Mexico
| | - Beatriz Godínez-Chaparro
- Departamento de Sistemas Biológicos, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana-Xochimilco, Calzada del Hueso 1100, Colonia Villa Quietud, 04960, Mexico, D.F., Mexico.
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Chia JSM, Izham NAM, Farouk AAO, Sulaiman MR, Mustafa S, Hutchinson MR, Perimal EK. Zerumbone Modulates α 2A-Adrenergic, TRPV1, and NMDA NR2B Receptors Plasticity in CCI-Induced Neuropathic Pain In Vivo and LPS-Induced SH-SY5Y Neuroblastoma In Vitro Models. Front Pharmacol 2020; 11:92. [PMID: 32194397 PMCID: PMC7064019 DOI: 10.3389/fphar.2020.00092] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 01/27/2020] [Indexed: 01/08/2023] Open
Abstract
Zerumbone has shown great potential in various pathophysiological models of diseases, particularly in neuropathic pain conditions. Further understanding the mechanisms of action is important to develop zerumbone as a potential anti-nociceptive agent. Numerous receptors and pathways function to inhibit and modulate transmission of pain signals. Previously, we demonstrated involvement of the serotonergic system in zerumbone's anti-neuropathic effects. The present study was conducted to determine zerumbone's modulatory potential involving noradrenergic, transient receptor potential vanilloid type 1 (TRPV1) and N-methyl-D-aspartate (NMDA) receptors in chronic constriction injury (CCI)-induced in vitro and lipopolysaccharide (LPS)-induced SH-SY5Y in vitro neuroinflammatory models. von Frey filament and Hargreaves plantar tests were used to assess allodynia and hyperalgesia in the chronic constriction injury-induced neuropathic pain mouse model. Involvement of specific adrenoceptors were investigated using antagonists- prazosin (α1-adrenoceptor antagonist), idazoxan (α2-adrenoceptor antagonist), metoprolol (β1-adrenoceptor antagonist), ICI 118,551 (β2-adrenoceptor antagonist), and SR 59230 A (β3-adrenoceptor antagonist), co-administered with zerumbone (10 mg/kg). Involvement of excitatory receptors; TRPV and NMDA were conducted using antagonists capsazepine (TRPV1 antagonist) and memantine (NMDA antagonist). Western blot was conducted to investigate the effect of zerumbone on the expression of α2A-adrenoceptor, TRPV1 and NMDA NR2B receptors in CCI-induced whole brain samples of mice as well as in LPS-induced SH-SY5Y neuroblastoma cells. Pre-treatment with α1- and α2-adrenoceptor antagonists significantly attenuated both anti-allodynic and anti-hyperalgesic effects of zerumbone. For β-adrenoceptors, only β2-adrenoceptor antagonist significantly reversed the anti-allodynic and anti-hyperalgesic effects of zerumbone. β1-adrenoceptor antagonist only reversed the anti-allodynic effect of zerumbone. The anti-allodynic and anti-hyperalgesic effects of zerumbone were both absent when TRPV1 and NMDA receptors were antagonized in both nociceptive assays. Zerumbone treatment markedly decreased the expression of α2A-adrenoceptor, while an up-regulation was observed of NMDA NR2B receptors. Expression of TRPV1 receptors however did not significantly change. The in vitro study, representing a peripheral model, demonstrated the reduction of both NMDA NR2B and TRPV1 receptors while significantly increasing α2A-adrenoceptor expression in contrast to the brain samples. Our current findings suggest that the α1-, α2-, β1- and β2-adrenoceptors, TRPV1 and NMDA NR2B are essential for the anti-allodynic and antihyperalgesic effects of zerumbone. Alternatively, we demonstrated the plasticity of these receptors through their response to zerumbone's administration.
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Affiliation(s)
- Jasmine Siew Min Chia
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia.,Centre for Community Health Studies, Faculty of Health Sciences, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Noor Aishah Mohammed Izham
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Ahmad Akira Omar Farouk
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Mohd Roslan Sulaiman
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia
| | - Sanam Mustafa
- Faculty of Health and Medical Sciences, University of Adelaide, Adelaide, SA, Australia
| | - Mark R Hutchinson
- Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, University of Adelaide, Adelaide, SA, Australia
| | - Enoch Kumar Perimal
- Department of Biomedical Science, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang, Malaysia.,Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, University of Adelaide, Adelaide, SA, Australia
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Ma L, Hu P, Zhang J, Cui W, Zhao X. Purpurin exerted antidepressant-like effects on behavior and stress axis reactivity: evidence of serotonergic engagement. Psychopharmacology (Berl) 2020; 237:887-899. [PMID: 31900524 DOI: 10.1007/s00213-019-05422-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2019] [Accepted: 12/03/2019] [Indexed: 12/25/2022]
Abstract
RATIONALE AND OBJECTIVES Major depression represents a significant public health problem worldwide, and effective regimen is lacking. The present study investigated the antidepressant-like effects of purpurin, a natural anthraquinone compound from Rubia tinctorum L., and explored the underlying mechanism(s). METHODS Forced swim test (FST) and tail suspension test (TST) were used to assess antidepressant-like effects of purpurin in mice. Effects of purpurin on neuroendocrine responsivity were evaluated at the level of corticosterone and ACTH following acute restraint stress and intracerebroventricular injection of corticotrophin-releasing-factor (CRF). Serotonergic mechanisms underlying purpurin antidepressant effect were explored using biochemical, neurochemical, and pharmacological paradigms. RESULTS Chronic purpurin treatment exerted in mice dose-dependently antidepressant-like effects on behavior and stress axis reactivity (n = 9-11 per group). The purpurin-triggered antidepressant-like effects are serotonergically dependent, since purpurin-treated mice showed escalated levels of brain serotonin and suppressed monoamine oxidase (MAO) activity (n = 8-11 per group). Consistently, chemical depletion of brain serotonin by p-chlorophenylalanine (PCPA) abolished the antidepressant-like effects of purpurin on behavior and stress axis responsivity (n = 9-10 per group). Moreover, the antidepressant effect by purpurin was preferentially counteracted by 1A-selective 5-HT receptor antagonist WAY-100635, but potentiated by 1A-selective agonist 8-OH-DPAT and sub-effective dose of serotonergic antidepressant fluoxetine (n = 9-11 per group), suggesting a crucial role for 5-HT1A related serotonergic system in mediating such purpurin antidepressant effect. CONCLUSION We have revealed the antidepressant-like effects of purpurin on both behavior and stress axis reactivity in mice, with serotonergic system that preferentially couples with 5-HT1A receptors being critically engaged.
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Affiliation(s)
- Li Ma
- Department of Neurology, Jingzhou Central Hospital, The Second Clinical Medical College, Yangtze University, Jingzhou, Hubei Province, China
| | - Pei Hu
- Department of Vasculocardiology, Jingzhou Central Hospital, The Second Clinical Medical College, Yangtze University, Jingzhou, Hubei Province, China
| | - Junfang Zhang
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China
| | - Wugeng Cui
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China.
| | - Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, China.
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Serotonergically dependent antidepressant-like activity on behavior and stress axis responsivity of acacetin. Pharmacol Res 2019; 146:104310. [DOI: 10.1016/j.phrs.2019.104310] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 04/27/2019] [Accepted: 06/10/2019] [Indexed: 01/22/2023]
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50
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Bulboacă AE, Bolboacă SD, Bulboacă AC, Porfire AS, Tefas LR, Suciu ŞM, Dogaru G, Stănescu IC. Liposomal Curcumin Enhances the Effect of Naproxen in a Rat Model of Migraine. Med Sci Monit 2019; 25:5087-5097. [PMID: 31287810 PMCID: PMC6636407 DOI: 10.12659/msm.915607] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Accepted: 03/13/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Curcumin is an antioxidant that reduces inflammation and pain. This study aimed to assess the effect of pretreatment with naproxen and liposomal curcumin compared with naproxen and curcumin solution on oxidative stress parameters and pain in a rat model of migraine. MATERIAL AND METHODS Sixty-three male Wistar rats included a control group (n=9) and a rat model of migraine (n=54) induced by intraperitoneal injection of nitroglycerin (1 mg/0.1 kg). The rat model group was divided into an untreated control group (n=9), a group pretreated with naproxen alone (2.8 mg/kg) (n=9), a group pretreated with naproxen (2.8 mg/kg) combined with curcumin solution (1 mg/0.1 kg) (n=9), a group pretreated with naproxen (2.8 mg/kg) combined with curcumin solution (2 mg/0.1 kg) (n=9), a group pretreated with naproxen (2.8 mg/kg) combined with liposomal curcumin solution (1 mg/0.1 kg) (n=9) a group pretreated with naproxen (2.8 mg/kg) combined with liposomal curcumin solution (2 mg/0.1 kg) (n=9). Spectroscopy measured biomarkers of total oxidative status and nociception was tested using an injection of 1% of formalin into the rat paw. RESULTS Expression of biomarkers of oxidative stress and enhanced nociception were significantly increased following pretreatment with combined naproxen and liposomal curcumin compared with curcumin solution or naproxen alone (P<0.001). Combined curcumin solution and naproxen were more effective at a concentration of 2 mg/0.1kg for the first nociceptive phase (P<0.005). CONCLUSIONS In a rat model of migraine, combined therapy with liposomal curcumin and naproxen showed an improved antioxidant effect and anti-nociceptive effect.
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Affiliation(s)
- Adriana E. Bulboacă
- Department of Pathophysiology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Sorana D. Bolboacă
- Department of Medical Informatics and Biostatistics, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Angelo C. Bulboacă
- Department of Neurology and Pediatric Neurology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Alina S. Porfire
- Department of Pharmaceutical Technology and Biopharmaceutics, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Lucia R. Tefas
- Department of Pharmaceutical Technology and Biopharmaceutics, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Şoimiţa M. Suciu
- Department of Physiology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Gabriela Dogaru
- Department of Physical Medicine and Rehabilitation, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
| | - Ioana C. Stănescu
- Department of Neurology and Pediatric Neurology, Iuliu Haţieganu University of Medicine and Pharmacy Cluj-Napoca, Cluj-Napoca, Romania
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