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Hashim M, Badruddeen, Akhtar J, Khan MI, Ahmad M, Islam A, Ahmad A. Diabetic Neuropathy: An Overview of Molecular Pathways and Protective Mechanisms of Phytobioactives. Endocr Metab Immune Disord Drug Targets 2024; 24:758-776. [PMID: 37867264 DOI: 10.2174/0118715303266444231008143430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/31/2023] [Accepted: 08/25/2023] [Indexed: 10/24/2023]
Abstract
Diabetic neuropathy (DN) is a common and debilitating complication of diabetes mellitus that affects the peripheral nerves and causes pain, numbness, and impaired function. The pathogenesis of DN involves multiple molecular mechanisms, such as oxidative stress, inflammation, and pathways of advanced glycation end products, polyol, hexosamine, and protein kinase C. Phytochemicals are natural compounds derived from plants that have various biological activities and therapeutic potential. Flavonoids, terpenes, alkaloids, stilbenes, and tannins are some of the phytochemicals that have been identified as having protective potential for diabetic neuropathy. These compounds can modulate various cellular pathways involved in the development and progression of neuropathy, including reducing oxidative stress and inflammation and promoting nerve growth and repair. In this review, the current evidence on the effects of phytochemicals on DN by focusing on five major classes, flavonoids, terpenes, alkaloids, stilbenes, and tannins, are summarized. This compilation also discusses the possible molecular targets of numerous pathways of DN that these phytochemicals modulate. These phytochemicals may offer a promising alternative or complementary approach to conventional drugs for DN management by modulating multiple pathological pathways and restoring nerve function.
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Affiliation(s)
- Mohd Hashim
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | - Badruddeen
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | - Juber Akhtar
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | | | - Mohammad Ahmad
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | - Anas Islam
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
| | - Asad Ahmad
- Faculty of Pharmacy, Integral University, Lucknow, Uttar Pradesh, India
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Han J, Hua Z, Yang WJ, Wang S, Yan F, Wang JN, Sun T. Resveratrol suppresses neuroinflammation to alleviate mechanical allodynia by inhibiting Janus kinase 2/signal transducer and activator of transcription 3 signaling pathway in a rat model of spinal cord injury. Front Mol Neurosci 2023; 16:1116679. [PMID: 36873101 PMCID: PMC9977815 DOI: 10.3389/fnmol.2023.1116679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/26/2023] [Indexed: 02/18/2023] Open
Abstract
Background Neuropathic pain (NP) is one of intractable complications of spinal cord injury (SCI) and lacks effective treatment. Resveratrol (Res) has been shown to possess potent anti-inflammatory and anti-nociceptive effects. In this study, we investigated the analgesic effect of Res and its underlying mechanism in a rat model of SCI. Methods The rat thoracic (T10) spinal cord contusion injury model was established, and mechanical thresholds were evaluated during an observation period of 21 days. Intrathecal administration with Res (300 μg/10 μl) was performed once a day for 7 days after the operation. On postoperative day 7, the expressions of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and interleukin-6 (IL-6) were determined by enzyme-linked immunosorbent assay (ELISA) and Real-time quantitative PCR (RT-qPCR), the expression of Janus kinase 2/signal transducer and activator of transcription 3 (JAK2/STAT3) signaling pathway was determined by western blot and RT-qPCR, and the co-labeled phospho-STAT3 (p-STAT3) with neuronal nuclear antigen (NeuN), glial fibrillary acidic protein (GFAP), and ionized calcium-binding adapter molecule 1 (Iba-1) were explored by double immunofluorescence staining in the lumbar spinal dorsal horns. The temporal changes of p-STAT3 were investigated by western blot on the 1st, 3rd, 7th, 14th, and 21st days after the operation. Results Intrathecal administration with Res for 7 successive days alleviated mechanical allodynia of rats during the observation period. Meanwhile, treatment with Res suppressed the production of pro-inflammatory factors TNF-α, IL-1β and IL-6, and inhibited the expressions of phospho-JAK2 and p-STAT3 in the lumbar spinal dorsal horns on postoperative day 7. Additionally, the protein expression of p-STAT3 was significantly increased on the 1st day following the operation and remained elevated during the next 21 days, immunofluorescence suggested that the up-regulated p-STAT3 was co-located with glial cells and neurons. Conclusion Our current results indicated that intrathecal administration with Res effectively alleviated mechanical allodynia after SCI in rats, and its analgesic mechanism might be to suppress neuroinflammation by partly inhibiting JAK2/STAT3 signaling pathway.
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Affiliation(s)
- Jie Han
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhen Hua
- College of Sports Medicines and Rehabilitation, Shandong First Medical University and Shandong Academy of Medical Sciences, Tai'an, China
| | - Wen-Jie Yang
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Shu Wang
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Fang Yan
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Jun-Nan Wang
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Tao Sun
- Department of Pain Management, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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Yang S, Sun M, Zhang X. Protective Effect of Resveratrol on Knee Osteoarthritis and its Molecular Mechanisms: A Recent Review in Preclinical and Clinical Trials. Front Pharmacol 2022; 13:921003. [PMID: 35959426 PMCID: PMC9357872 DOI: 10.3389/fphar.2022.921003] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 06/21/2022] [Indexed: 12/04/2022] Open
Abstract
Osteoarthritis (OA) is one of the progressing chronic joint associated with by many complex factors such as age, obesity, and trauma. Knee osteoarthritis (KOA) is the most common type of OA. KOA is characterized by articular cartilage destruction and degeneration, synovial inflammation, and abnormal subchondral bone changes. To date, no practical clinical approach has been able to modify the pathological progression of KOA. Drug therapy is limited to pain control and may lead to serious side effects when taken for a long time. Therefore, searching for safer and more reliable treatments has become necessary. Interestingly, more and more research has focused on natural products, and monomeric compounds derived from natural products have received much attention as drug candidates for KOA treatment. Resveratrol (RES), a natural phenolic compound, has various pharmacological and biological activities, including anti-cancer, anti-apoptotic, and anti-decay. Recently, studies on the effects of RES on maintaining the normal homeostasis of chondrocytes in KOA have received increasing attention, which seems to be attributed to the multi-targeted effects of RES on chondrocyte function. This review summarizes preclinical trials, clinical trials, and emerging tissue engineering studies of RES for KOA and discusses the specific mechanisms by which RES alleviates KOA. A better understanding of the pharmacological role of RES in KOA could provide clinical implications for intervention in the development of KOA.
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Affiliation(s)
| | - Mingli Sun
- *Correspondence: Mingli Sun, ; Xinan Zhang,
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Jang SH, Park SJ, Kim KA, Han SK. Resveratrol activates GABA A and/or glycine receptors on substantia gelatinosa neurons of the subnucleus caudalis in mice. Nat Prod Res 2022; 36:5788-5792. [PMID: 35086401 DOI: 10.1080/14786419.2021.2016746] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Although a number of studies have reported that resveratrol has analgesic effects, the direct effect of resveratrol on substantia gelatinosa (SG) neurons of the trigeminal subnucleus caudalis (Vc) involved in orofacial nociceptive transmission has not been clearly examined. Thus, the objective of this study was to investigate effects of resveratrol on SG neurons of Vc in mice using a whole-cell patch-clamp technique. Resveratrol (500 μM) induced repeatable inward currents without desensitisation. Resveratrol-induced inward currents were shown in a concentration-dependent manner. Resveratrol-induced responses were sustained in the presence of tetrodotoxin, 6-cyano-7-nitroquinoxaline-2,3-dione (CNQX), and DL-2-Amino-5-phosphonovaleric acid (DL-AP5). However, resveratrol-induced inward currents were suppressed in the presence of picrotoxin and strychnine. These results indicate that resveratrol can directly act on SG neurons of Vc with possible inhibitory effects on SG neurons through activation of GABAA receptors and/or glycine receptors. Thus, resveratrol can be a potential therapeutic for orofacial pain modulation.
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Affiliation(s)
- Seon Hui Jang
- Department of Oral Physiology, School of Dentistry & Institute of Oral Bioscience, Jeonbuk National University, Jeonju, Republic of Korea
| | - Soo Joung Park
- Department of Oral Physiology, School of Dentistry & Institute of Oral Bioscience, Jeonbuk National University, Jeonju, Republic of Korea
| | - Kyoung-A Kim
- Department of Oral and Maxillofacial Radiology, School of Dentistry& Institute of Oral Bioscience, Jeonbuk National University, Jeonju, Republic of Korea.,Research Institute of Clinical Medicine, of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
| | - Seong Kyu Han
- Department of Oral Physiology, School of Dentistry & Institute of Oral Bioscience, Jeonbuk National University, Jeonju, Republic of Korea.,Research Institute of Clinical Medicine, of Jeonbuk National University-Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju, Republic of Korea
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Golmohammadi MG, Khoshdel F, Salimnejad R. Protective effect of resveratrol against bisphenol A-induced reproductive toxicity in male mice. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1965625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Mohammad Ghasem Golmohammadi
- Department of Anatomical Sciences and Pathology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Fatemeh Khoshdel
- Department of Anatomical Sciences and Pathology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Ramin Salimnejad
- Department of Anatomical Sciences and Pathology, School of Medicine, Ardabil University of Medical Sciences, Ardabil, Iran
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An Omega-3-rich Anti-inflammatory Diet Improved Widespread Allodynia and Worsened Metabolic Outcomes in Adult Mice Exposed to Neonatal Maternal Separation. Neuroscience 2021; 468:53-67. [PMID: 34107347 DOI: 10.1016/j.neuroscience.2021.06.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 12/19/2022]
Abstract
Inflammation plays a key role in the progression and maintenance of chronic pain, which impacts the lives of millions of Americans. Despite growing evidence that chronic pain can be improved by treating underlying inflammation, successful treatments are lacking and pharmaceutical interventions are limited due to drug side effects. Here we are testing whether a 'healthy human' diet (HHD), with or without anti-inflammatory components (HHAID), improves pain-like behaviors in a preclinical model of chronic widespread hypersensitivity induced by neonatal maternal separation (NMS). The HHD and HHAID are isocaloric and macronutrient-matched, have a low glycemic index, and fat content (35 kcal%) that is high in omega-3 fatty acids, while only the HHAID includes a combination of key anti-inflammatory compounds, at clinically relevant doses. Mice on these diets were compared to mice on a control diet with a macronutrient composition commonly used in rodents (20% protein, 70% carbohydrate, 10% fat). Our results demonstrate a benefit of the HHAID on pain-like behaviors in both male and female mice, despite increased caloric intake, adiposity, and weight gain. In female mice, HHAID specifically increased measures of metabolic syndrome and inflammation compared to the HHD and control diet groups. Male mice were susceptible to worsening metabolic measures on both the HHAID and HHD. This work highlights important sexual dimorphic outcomes related to early life stress exposure and dietary interventions, as well as a potential disconnect between improvements in pain-like behaviors and metabolic measures.
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Tesfaye R, Degu A, Abebe B, Ayalew H. Evaluation of Analgesic and Anti-inflammatory Potential of 80% Methanol Leaf Extract of Otostegia integrifolia Benth (Lamiaceae). J Inflamm Res 2021; 13:1175-1183. [PMID: 33380820 PMCID: PMC7767723 DOI: 10.2147/jir.s285932] [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: 10/12/2020] [Accepted: 12/01/2020] [Indexed: 12/31/2022] Open
Abstract
Introduction Pain and inflammatory disorders are the most prevalent syndromes. Different herbs were used for treatment of pain and inflammation including members of the genus Otostegia. As a result, this research investigated the in vivo analgesic and anti-inflammatory effects of 80% methanol leaf extract of Otostegia integrifolia in mice. Methods The analgesic and anti-inflammatory effects of the plant was evaluated using hot plate method, acetic-acid induced writhing test, and carrageenan and formalin induced paw edema. Three experimental groups (100, 200, and 400 mg/kg) received the extract while morphine 10 mg/kg and aspirin 150 mg/kg were used as a positive control for analgesic and anti-inflammatory tests accordingly. Distilled water (10 mL/kg) was used as negative control. Results From the experimental groups, OI400 displayed significant analgesic and anti-inflammatory activities (P<0.001). In acetic acid induced writhing tests, the number of writhes decreased significantly (P<0.001) in all experimental groups. Similarly, OI400 reduced the mean paw edema significantly in carrageenan and formalin induced paw edema (P<0.05 and P<0.001, respectively). Conclusion In general, the results obtained in this study demonstrated that the extract exhibited significant analgesic and anti-inflammatory potential in mice.
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Affiliation(s)
- Rediet Tesfaye
- Department of Pharmacology and Clinical Pharmacy, School of Pharmacy, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Abel Degu
- Department of Pharmacology and Clinical Pharmacy, School of Pharmacy, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Besufekad Abebe
- Department of Pharmaceutical Chemistry and Pharmacognosy, School of Pharmacy, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
| | - Hiwot Ayalew
- Department of Pharmaceutical Chemistry and Pharmacognosy, School of Pharmacy, College of Health Sciences, Addis Ababa University, Addis Ababa, Ethiopia
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Demaré S, Kothari A, Calcutt NA, Fernyhough P. Metformin as a potential therapeutic for neurological disease: mobilizing AMPK to repair the nervous system. Expert Rev Neurother 2020; 21:45-63. [PMID: 33161784 PMCID: PMC9482886 DOI: 10.1080/14737175.2021.1847645] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Introduction: Metformin is currently first line therapy for type 2 diabetes (T2D). The mechanism of action of metformin involves activation of AMP-activated protein kinase (AMPK) to enhance mitochondrial function (for example, biogenesis, refurbishment and dynamics) and autophagy. Many neurodegenerative diseases of the central and peripheral nervous systems arise from metabolic failure and toxic protein aggregation where activated AMPK could prove protective. Areas covered: The authors review literature on metformin treatment in Parkinson’s disease, Huntington’s disease and other neurological diseases of the CNS along with neuroprotective effects of AMPK activation and suppression of the mammalian target of rapamycin (mTOR) pathway on peripheral neuropathy and neuropathic pain. The authors compare the efficacy of metformin with the actions of resveratrol. Expert opinion: Metformin, through activation of AMPK and autophagy, can enhance neuronal bioenergetics, promote nerve repair and reduce toxic protein aggregates in neurological diseases. A long history of safe use in humans should encourage development of metformin and other AMPK activators in preclinical and clinical research. Future studies in animal models of neurological disease should strive to further dissect in a mechanistic manner the pathways downstream from metformin-dependent AMPK activation, and to further investigate mTOR dependent and independent signaling pathways driving neuroprotection.
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Affiliation(s)
- Sarah Demaré
- Division of Neurodegenerative Disorders, St Boniface Hospital Albrechtsen Research Centre , Winnipeg, MB, Canada.,Department of Pharmacology and Therapeutics, University of Manitoba , Winnipeg, MB, Canada
| | - Asha Kothari
- Division of Neurodegenerative Disorders, St Boniface Hospital Albrechtsen Research Centre , Winnipeg, MB, Canada.,Department of Pharmacology and Therapeutics, University of Manitoba , Winnipeg, MB, Canada
| | - Nigel A Calcutt
- Department of Pathology, University of California San Diego , La Jolla, CA, USA
| | - Paul Fernyhough
- Division of Neurodegenerative Disorders, St Boniface Hospital Albrechtsen Research Centre , Winnipeg, MB, Canada.,Department of Pharmacology and Therapeutics, University of Manitoba , Winnipeg, MB, Canada
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Sakhaee MH, Sayyadi SAH, Sakhaee N, Sadeghnia HR, Hosseinzadeh H, Nourbakhsh F, Forouzanfar F. Cedrol protects against chronic constriction injury-induced neuropathic pain through inhibiting oxidative stress and inflammation. Metab Brain Dis 2020; 35:1119-1126. [PMID: 32472224 DOI: 10.1007/s11011-020-00581-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 05/15/2020] [Indexed: 01/05/2023]
Abstract
Injured somatosensory nervous system cause neuropathic pain which is quite difficult to treat using current approaches. It is therefore important to find new therapeutic options. We have analyzed cedrol effect on chronic constriction injury (CCI) induced neuropathic pain in rats. The mechanical and thermal hypersensitivity were evaluated using the von Frey filament, radiant heat and acetone drop methods. The changes in the levels of biomarkers of oxidative stress including malondialdehyde (MDA) and total thiol (SH), as well as inflammatory mediators including Tumour Necrosis Factor alpha (TNF-α) and Interleukin 6 (IL-6) were estimated in the lumbar portion (L4-L6) of neuropathic rats. Administration of cedrol attenuated the CCI-induced mechanical and thermal hypersensitivity. CCI produced an increase in MDA along with a reduction in SH levels in the spinal cord of the CCI rats. Reduced levels of SH were restored by cedrol. Also, the levels of MDA were reduced in the cedrol-treated CCI rats compared to the untreated CCI rats. Besides, level of TNF-α and IL-6 increased in the spinal cord of CCI group and cedrol could reverse it. The current study showed that cedrol attenuates neuropathic pain in CCI rats by inhibition of inflammatory response and attenuation of oxidative stress.
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Affiliation(s)
| | - Seyed Amir Hossein Sayyadi
- Medical Toxicology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nader Sakhaee
- Department of mathematics and Natural Sciences, Harris-Stowe State University, St. Louis, MO, 63108, USA
- Department of Chemistry, Southern Illinois University Edwardsville, Edwardsville, IL, 62025, USA
| | - Hamid R Sadeghnia
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmacodynamics and Toxicology Department, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Fahimeh Nourbakhsh
- Medical Toxicology Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - 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.
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Cui Y, Li Y, Ning J, Mi Y, Wang X, Qiu Z, Li L, Gou X. Resveratrol alleviates diabetic mechanical allodynia in rats by downregulating P2X3R. Mol Med Rep 2020; 22:957-963. [PMID: 32468070 PMCID: PMC7339507 DOI: 10.3892/mmr.2020.11157] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 04/17/2020] [Indexed: 01/09/2023] Open
Abstract
Mechanical allodynia, which develops in patients of diabetes mellitus as a neuropathic manifestation, remains without an effective treatment. The aim of the present study was to investigate the effects and potential mechanisms underlying resveratrol (RES) in a rat model of streptozocin (STZ)‑induced diabetic mechanical allodynia (DMA). The rat model of DMA was established by the administration of an intraperitoneal injection of STZ. From day 8 post‑STZ injection, rats were administered with an intragastric injection of various doses of RES for 14 consecutive days. The von Frey filaments were applied to detect the paw withdrawal threshold and evaluate the analgesic effects of RES. Based on the dose‑effect curve, the ED50 of RES was calculated. Immunofluorescence staining and western blotting were performed to detect the expression of purinergic receptor P2X3 (P2X3R) in the dorsal root ganglion (DRG) and spinal dorsal horn (SDH) following RESED50 treatment. The results indicated that RES significantly alleviated mechanical allodynia in DMA model rats in a dose‑dependent manner. Compared with the control group, the expression of P2X3R in DRG neurons and SDH terminals was markedly decreased following the administration of RESED50 (P<0.05). Collectively, the results indicated that RES displayed a dose‑dependent analgesic effect on DMA model rats. Furthermore, P2X3R expression downregulation in the DRG and SDH may be a mechanism underlying the analgesic effects of RES on DMA‑related behaviors.
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Affiliation(s)
- Yuanyuan Cui
- School of Basic Medical Sciences and Shaanxi Key Laboratory of Brain Disorders, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Yuting Li
- School of Clinical Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Jiayi Ning
- School of Clinical Medicine, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Yajing Mi
- School of Basic Medical Sciences and Shaanxi Key Laboratory of Brain Disorders, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Xiaolong Wang
- School of Basic Medical Sciences and Shaanxi Key Laboratory of Brain Disorders, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Zhongying Qiu
- School of Basic Medical Sciences and Shaanxi Key Laboratory of Brain Disorders, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Le Li
- School of Basic Medical Sciences and Shaanxi Key Laboratory of Brain Disorders, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
| | - Xingchun Gou
- School of Basic Medical Sciences and Shaanxi Key Laboratory of Brain Disorders, Xi'an Medical University, Xi'an, Shaanxi 710021, P.R. China
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Pérez de Vega MJ, Fernandez-Mendivil C, de la Torre Martínez R, González-Rodríguez S, Mullet J, Sala F, Sala S, Criado M, Moreno-Fernández S, Miguel M, Fernández-Carvajal A, Ferrer-Montiel A, López MG, González-Muñiz R. 1-(2',5'-Dihydroxyphenyl)-3-(2-fluoro-4-hydroxyphenyl)-1-propanone (RGM079): A Positive Allosteric Modulator of α7 Nicotinic Receptors with Analgesic and Neuroprotective Activity. ACS Chem Neurosci 2019; 10:3900-3909. [PMID: 31322853 DOI: 10.1021/acschemneuro.9b00364] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Acetylcholine α7 nicotinic receptors are widely expressed in the brain, where they are involved in the central processing of pain as well as in neuropsychiatric, neurodegenerative, and inflammatory processes. Positive allosteric modulators (PAMs) show the advantage of allowing the selective regulation of different subtypes of acetylcholine receptors without directly interacting with the agonist binding site. Here, we report the preparation and biological activity of a fluoro-containing compound, 1-(2',5'-dihydroxyphenyl)-3-(2-fluoro-4-hydroxyphenyl)-1-propanone (8, RGM079), that behaves as a potent PAM of the α7 receptors and has a balanced pharmacokinetic profile and antioxidant properties comparable or even higher than well-known natural polyphenols. In addition, compound RGM079 shows neuroprotective properties in Alzheimer's disease (AD)-toxicity related models. Thus, it causes a concentration-dependent neuroprotective effect against the toxicity induced by okadaic acid (OA) in the human neuroblastoma cell line SH-SY5Y. Similarly, in primary cultures of rat cortical neurons, RGM079 is able to restore the cellular viability after exposure to OA and amyloid peptide Aβ1-42, with cell death almost completely prevented at 10 and 30 μM, respectively. Finally, compound RGM079 shows in vivo analgesic activity in the complete Freund's adjuvant (CFA)-induced paw inflammation model after intraperitoneal administration.
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Affiliation(s)
| | - Cristina Fernandez-Mendivil
- Instituto Teófilo Hernando, Department of Pharmacology, Universidad Autónoma de Madrid, Arzobispo Morcillo 4, Madrid 28029, Spain
| | - Roberto de la Torre Martínez
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avenida de la Universidad s/n, Elche, Alicante 03202, Spain
| | - Sara González-Rodríguez
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avenida de la Universidad s/n, Elche, Alicante 03202, Spain
| | - José Mullet
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Sant Joan d’Alacant, Alicante 03500, Spain
| | - Francisco Sala
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Sant Joan d’Alacant, Alicante 03500, Spain
| | - Salvador Sala
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Sant Joan d’Alacant, Alicante 03500, Spain
| | - Manuel Criado
- Instituto de Neurociencias, Universidad Miguel Hernández-CSIC, Sant Joan d’Alacant, Alicante 03500, Spain
| | - Silvia Moreno-Fernández
- Instituto de Investigación en Ciencias de la Alimentación (CSIC-UAM), C/Nicolás Cabrera 9, Madrid 28049, Spain
| | - Marta Miguel
- Instituto de Investigación en Ciencias de la Alimentación (CSIC-UAM), C/Nicolás Cabrera 9, Madrid 28049, Spain
| | - Asia Fernández-Carvajal
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avenida de la Universidad s/n, Elche, Alicante 03202, Spain
| | - Antonio Ferrer-Montiel
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Universidad Miguel Hernández, Avenida de la Universidad s/n, Elche, Alicante 03202, Spain
| | - Manuela G. López
- Instituto Teófilo Hernando, Department of Pharmacology, Universidad Autónoma de Madrid, Arzobispo Morcillo 4, Madrid 28029, Spain
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Ameliorative effect of gallic acid in paclitaxel-induced neuropathic pain in mice. Toxicol Rep 2019; 6:505-513. [PMID: 31211096 PMCID: PMC6562321 DOI: 10.1016/j.toxrep.2019.06.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 05/28/2019] [Accepted: 06/06/2019] [Indexed: 12/20/2022] Open
Abstract
Gallic acid (GA) is a natural phenolic type of neuroprotective compound. GA possesses anti-nociceptive action against paclitaxel-induced neurotoxicity. GA inhibits THF-α mediated neuropathic pain sensation.
The present study has been investigated the role of gallic acid (GA) in paclitaxel-induced neuropathic pain. The neuropathic pain was developed with paclitaxel (PT: 2 mg/kg, i.p.) administration in mice. GA (20 and 40 mg/kg) and pregabalin (PreG: 5 mg/kg) were administered intravenously for 10 consecutive days. The neuralgic sensations were investigated by assessing various pain tests like acetone drop, pinprick, plantar, tail flick, and tail pinch test. Mice pain behaviors were evaluated on 0, 4th, 8th, 12th and 16th days. The levels of sciatic nerve thiobarbituric acid reactive substances (TBARS), reduced glutathione (GSH), superoxide anion, calcium, myeloperoxidase (MPO), and TNF-α were estimated. Treatment of GA and PreG attenuate PT induced thermal &mechanical hyperalgesia and allodynia symptoms along with the reduction of TBARS, total calcium, TNF-α, superoxide anion, and MPO activity levels; and decreased GSH level. Therefore, it has been concluded that GA has potential neuroprotective actions against PT induced neuropathic pain due to it's anti-oxidant, anti-inflammation and regulation of intracellular calcium ion concentration.
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Pezzuto JM. Resveratrol: Twenty Years of Growth, Development and Controversy. Biomol Ther (Seoul) 2019; 27:1-14. [PMID: 30332889 PMCID: PMC6319551 DOI: 10.4062/biomolther.2018.176] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 09/27/2018] [Indexed: 01/09/2023] Open
Abstract
Resveratrol was first isolated in 1939 by Takaoka from Veratrum grandiflorum O. Loes. Following this discovery, sporadic descriptive reports appeared in the literature. However, spurred by our seminal paper published nearly 60 years later, resveratrol became a household word and the subject of extensive investigation. Now, in addition to appearing in over 20,000 research papers, resveratrol has inspired monographs, conferences, symposia, patents, chemical derivatives, etc. In addition, dietary supplements are marketed under various tradenames. Once resveratrol was brought to the limelight, early research tended to focus on pharmacological activities related to the cardiovascular system, inflammation, and cancer but, over the years, the horizon greatly expanded. Around 130 human clinical trials have been (or are being) conducted with varying results. This may be due to factors such as disparate doses (ca. 5 to 5,000 mg/day) and variable experimental settings. Further, molecular targets are numerous and a dominant mechanism is elusive or nonexistent. In this context, the compound is overtly promiscuous. Nonetheless, since the safety profile is pristine, and use as a dietary supplement is prevalent, these features are not viewed as detrimental. Given the ongoing history of resveratrol, it is reasonable to advocate for additional development and further clinical investigation. Topical preparations seem especially promising, as do conditions that can respond to anti-inflammatory action and/or direct exposure, such as colon cancer prevention. Although the ultimate fate of resveratrol remains an open question, thus far, the compound has inspired innovative scientific concepts and enhanced public awareness of preventative health care.
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Affiliation(s)
- John M Pezzuto
- Arnold & Marie Schwartz College of Pharmacy and Health Sciences, Long Island University, Brooklyn, NY 11201, USA
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Dewanjee S, Das S, Das AK, Bhattacharjee N, Dihingia A, Dua TK, Kalita J, Manna P. Molecular mechanism of diabetic neuropathy and its pharmacotherapeutic targets. Eur J Pharmacol 2018; 833:472-523. [DOI: 10.1016/j.ejphar.2018.06.034] [Citation(s) in RCA: 117] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 06/15/2018] [Accepted: 06/26/2018] [Indexed: 02/07/2023]
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Braga A, Ferreira P, Oliveira J, Rocha I, Faria N. Heterologous production of resveratrol in bacterial hosts: current status and perspectives. World J Microbiol Biotechnol 2018; 34:122. [PMID: 30054757 DOI: 10.1007/s11274-018-2506-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 07/19/2018] [Indexed: 12/16/2022]
Abstract
The polyphenol resveratrol (3,5,4'-trihydroxystilbene) is a well-known plant secondary metabolite, commonly used as a medical ingredient and a nutritional supplement. Due to its health-promoting properties, the demand for resveratrol is expected to continue growing. This stilbene can be found in different plants, including grapes, berries (blackberries, blueberries and raspberries), peanuts and their derived food products, such as wine and juice. The commercially available resveratrol is usually extracted from plants, however this procedure has several drawbacks such as low concentration of the product of interest, seasonal variation, risk of plant diseases and product stability. Alternative production processes are being developed to enable the biotechnological production of resveratrol by genetically engineering several microbial hosts, such as Escherichia coli, Corynebacterium glutamicum, Lactococcus lactis, among others. However, these bacterial species are not able to naturally synthetize resveratrol and therefore genetic modifications have been performed. The application of emerging metabolic engineering offers new possibilities for strain and process optimization. This mini-review will discuss the recent progress on resveratrol biosynthesis in engineered bacteria, with a special focus on the metabolic engineering modifications, as well as the optimization of the production process. These strategies offer new tools to overcome the limitations and challenges for microbial production of resveratrol in industry.
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Affiliation(s)
- A Braga
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal.
| | - P Ferreira
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - J Oliveira
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - I Rocha
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
- Instituto de Tecnologia Química e Biológica, Universidade Nova de Lisboa, Av. da República, 2780-157, Oeiras, Portugal
| | - N Faria
- Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
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Pan X, Chen J, Wang W, Chen L, Wang L, Ma Q, Zhang J, Chen L, Wang G, Zhang M, Wu H, Cheng R. Resveratrol-induced antinociception is involved in calcium channels and calcium/caffeine-sensitive pools. Oncotarget 2018; 8:9399-9409. [PMID: 28030799 PMCID: PMC5354740 DOI: 10.18632/oncotarget.14090] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 12/15/2016] [Indexed: 11/25/2022] Open
Abstract
Resveratrol has been widely investigated for its potential health properties, although little is known about its mechanism in vivo. Previous studies have indicated that resveratrol produces antinociceptive effects in mice. Calcium channels and calcium/caffeine-sensitive pools are reported to be associated with analgesic effect. The present study was to explore the involvement of Ca2+ channel and calcium/caffeine-sensitive pools in the antinociceptive response of resveratrol. Tail-flick test was used to assess antinociception in mice treated with resveratrol or the combinations of resveratrol with MK 801, nimodipine, CaCl2, ryanodine and ethylene glycol tetraacetic acid (EGTA), respectively. The Ca2+/calmodulin-dependent protein kinase II (CaMKII) and brain-derived neurotrophic factor (BDNF) levels in the spinal cord were also investigated when treated with the above drugs. The results showed that resveratrol increased the tail flick latency in the tail-flick test, in dose-dependent manner. N-methyl-D-aspartate (NMDA) glutamate receptor antagonist MK 801 potentiated the antinociceptive effects of sub-threshold dose of resveratrol at 10 mg/kg. Ca2+ channel blocker, however, abolished the antinociceptive effects of resveratrol. In contrast to these results, EGTA or ryanodine treatment (i.c.v.) potentiated resveratrol-induced antinociception. There was a significant decrease in p-CaMKII and an increase in BDNF expression in the spinal cord when combined with MK 801, nimodipine, ryanodine and EGTA. While an increase in p-CaMKII level and a decrease in BDNF expression were observed when high dose of resveratrol combined with CaCl2. These findings suggest that resveratrol exhibits the antinociceptive effects by inhibition of calcium channels and calcium/caffeine-sensitive pools.
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Affiliation(s)
- Xiaoyu Pan
- Department of Thyroid Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
| | - Jiechun Chen
- Department of Neurology, Lianyungang second people's Hospital, Lianyungang, Jiangsu Province, China
| | - Weijie Wang
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, China
| | - Ling Chen
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, China
| | - Lin Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, China
| | - Quan Ma
- Department of Pharmaceutical Sciences, School of Pharmacy and Pharmaceutical Sciences, State University of New York at Buffalo, Buffalo, NY
| | - Jianbo Zhang
- Brain Institute, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
| | - Lichao Chen
- Pingyang Hospital of Traditional Chinese Medicine, Pingyang, Zhejiang Province, China
| | - Gang Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, China
| | - Meixi Zhang
- Pingyang Hospital of Traditional Chinese Medicine, Pingyang, Zhejiang Province, China
| | - Hao Wu
- Department of Neurology, Wenzhou People's Hospital, Wenzhou, Zhejiang Province, China
| | - Ruochuan Cheng
- Department of Thyroid Surgery, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan Province, China
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Patel SS, Udayabanu M. Effect of natural products on diabetes associated neurological disorders. Rev Neurosci 2018; 28:271-293. [PMID: 28030360 DOI: 10.1515/revneuro-2016-0038] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 10/21/2016] [Indexed: 12/15/2022]
Abstract
Diabetes mellitus, a metabolic disorder, is associated with neurological complications such as depression, anxiety, hypolocomotion, cognitive dysfunction, phobias, anorexia, stroke, pain, etc. Traditional system of medicine is long known for its efficient management of diabetes. The current review discusses the scope of some common medicinal herbs as well as secondary metabolites with a special focus on diabetes-mediated central nervous system complications. Literatures suggest that natural products reduce diabetes-mediated neurological complications partly by reducing oxidative stress and/or inflammation or apoptosis in certain brain regions. Natural products are known to modulate diabetes-mediated alterations in the level of acetylcholinesterase, choline acetyltransferase, monoamine oxidase, serotonin receptors, muscarinic receptors, insulin receptor, nerve growth factor, brain-derived neurotrophic factor, and neuropeptide in brain. Further, there are several natural products reported to manage diabetic complications with unknown mechanism. In conclusion, medicinal plants or their secondary metabolites have a wide scope and possess therapeutic potential to effectively manage neurological complications associated with chronic diabetes.
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Xu M, Cheng Z, Ding Z, Wang Y, Guo Q, Huang C. Resveratrol enhances IL-4 receptor-mediated anti-inflammatory effects in spinal cord and attenuates neuropathic pain following sciatic nerve injury. Mol Pain 2018; 14:1744806918767549. [PMID: 29592782 PMCID: PMC5881959 DOI: 10.1177/1744806918767549] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Resveratrol has been showed to relieve neuropathic pain through its anti-inflammatory effects on the peripheral nerve system. However, it is not clear whether resveratrol, especially when administered systemically, is effective in alleviating the peripheral neuropathy-induced imbalance between pro- and anti-inflammatory responses in the central nervous system. To test this, we used a rat neuropathic pain model resulting from chronic constriction injury of the sciatic nerve. Resveratrol (200 mg/kg) or vehicle (dimethylsulfoxide) were administered intraperitoneally once daily for 14 consecutive days after chronic constriction injury. We found that resveratrol attenuated mechanical allodynia and thermal hyperalgesia in rats with chronic constriction injury. After 14 days of resveratrol treatment, expression of several anti-inflammatory cytokine receptors, including IL-1RA and IL-1R2, was increased in the dorsal spinal cord of rats with chronic constriction injury, and IL-4Rα was increased in dorsal spinal cord neurons. Knockdown of IL-4Rα in a neuronal cell line reversed the resveratrol-induced upregulation of IL-1RA and IL-1R2. These results indicate that resveratrol enhances IL-4 receptor-mediated anti-inflammatory responses in the spinal cord and thus might contribute to the alleviation of central sensitization following peripheral nerve injury.
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Affiliation(s)
- Mu Xu
- 1 Department of Anesthesiology, Xiangya Hospital of Central South University, China
| | - Zhigang Cheng
- 1 Department of Anesthesiology, Xiangya Hospital of Central South University, China
| | - Zhuofeng Ding
- 1 Department of Anesthesiology, Xiangya Hospital of Central South University, China
| | - Yunjiao Wang
- 1 Department of Anesthesiology, Xiangya Hospital of Central South University, China
| | - Qulian Guo
- 1 Department of Anesthesiology, Xiangya Hospital of Central South University, China
| | - Changsheng Huang
- 1 Department of Anesthesiology, Xiangya Hospital of Central South University, China
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Abdu SB, Al-Bogami FM. Influence of resveratrol on liver fibrosis induced by dimethylnitrosamine in male rats. Saudi J Biol Sci 2017; 26:201-209. [PMID: 30622427 PMCID: PMC6319027 DOI: 10.1016/j.sjbs.2017.09.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 05/03/2017] [Accepted: 09/20/2017] [Indexed: 01/29/2023] Open
Abstract
Liver fibrosis is a significant health problem which represents the liver’s scarring process and response to injury through deposition of collagen and extracellular matrix, and ultimately leads to cirrhosis. Resveratrol is a naturally occurring phytoalexin found predominantly in grapes. This study aimed to investigate the antifibrotic role of resveratrol on dimethylnitrosamine (DMN)-induced liver fibrosis in rats. Rats were divided into four groups and treated for three weeks; control, resveratrol administered orally (20 mg/kg daily), DMN intraperitoneally injected (10 mg/kg 3 days/week), and the last group was pre-treated daily with resveratrol then injected with DMN, 3 days/week. DMN administration induced severe liver pathological alterations. However, oral administration of resveratrol before DMN significantly prevented the induced loss in body weight, as well as the increase in liver weight which arise from DMN administration. Resveratrol has also inhibited the elevation of serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP) and bilirubin levels. Furthermore, resveratrol significantly increased hepatic reduced glutathione (GSH) levels and reduced the levels of malondialdehyde (MDA) due to its antioxidants effect as well as increased serum protein levels. In addition, DMN induced elevation in hydroxyproline content. On the other hand, hydroxyproline level was significantly reduced in the resveratrol pretreated rats. Resveratrol has also remarkably maintained the normal liver lobular architecture. Moreover, resveratrol had displayed potent potentials to prevent collagen deposition, lymphocytic infiltration, necrosis, steatosis, vascular damage, blood hypertention, cholangiocyte proliferation. It can be concluded that resveratrol has a marked protective role on DMN-induced liver fibrosis in rats, and can be considered as antiproliferative, antihypertensive, as well as antifibrotic agent and may be used to block the development of liver fibrosis.
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Affiliation(s)
- Suzan B Abdu
- Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University, P.O. Box 80200, Jeddah 21589, Saudi Arabia
| | - Fatima M Al-Bogami
- Department of Biological Sciences, Faculty of Sciences, King Abdulaziz University, P.O. Box 80200, Jeddah 21589, Saudi Arabia
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Pino DS, Casarin RC, Pimentel SP, Cirano FR, Corrêa MG, Ribeiro FV. Effect of Resveratrol on Critical-Sized Calvarial Defects of Diabetic Rats: Histometric and Gene Expression Analysis. J Oral Maxillofac Surg 2017; 75:2561.e1-2561.e10. [PMID: 28859925 DOI: 10.1016/j.joms.2017.07.167] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 06/21/2017] [Accepted: 07/24/2017] [Indexed: 12/14/2022]
Abstract
PURPOSE This study investigated the influence of resveratrol (RESV) on the repair of bone critical defects in calvaria of animals with induced diabetes mellitus (DM). MATERIAL AND METHODS One hundred rats were divided into 5 groups: induced DM + RESV administration (DM + RESV; n = 20); induced DM plus placebo solution administration (DM + PLAC; n = 20); induced DM plus insulin therapy (DM + INS; n = 20); induced DM plus administration of RES and INS (DM + RESV + INS; n = 20); and nondiabetic controls (NDM; n = 20). DM was induced by intraperitoneal injection of streptozotocin 50 mg/kg 3 days before the surgical procedures. Two critical calvarial defects were created in each animal at the start of the study (day 0). Treatments were administered from day 0 to day 30 of the experiment, when animals were euthanized. One defect was processed for histometric analysis to measure closure of the bone defect. The tissue of the other defect was analyzed for quantification of bone morphogenetic protein-2 (BMP-2), osteopontin, osteoprotegerin, receptor activator of nuclear factor-κB ligand, runt-related transcription factor-2, osterix (Osx), β-catenin, lipoprotein receptor-related protein-5, and dikkop-1 mRNA by quantitative polymerase chain reaction. RESULTS Histometric results showed that the DM + RESV, DM + RESV + INS, and NDM groups exhibited greater closure of the bone defects compared with the PLAC- or INS-treated groups (P < .05). Diabetic animals treated with RESV plus INS showed higher levels of BMP-2 and Osx; Osx also was positively increased in animals treated with INS alone (P < .05). CONCLUSIONS The use of RESV, regardless of the presence of INS, positively influenced bone repair in animals with induced DM. Further, the combination of INS plus RESV was necessary for the modulation of BMP-2 gene expression.
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Affiliation(s)
- Danilo Siqueira Pino
- Student, Dental Research Division, School of Dentistry, Paulista University, São Paulo, SP, Brazil
| | - Renato Correa Casarin
- Professor, Dental Research Division, School of Dentistry, Paulista University, São Paulo, SP, Brazil
| | - Suzana Peres Pimentel
- Professor, Dental Research Division, School of Dentistry, Paulista University, São Paulo, SP, Brazil
| | - Fabiano Ribeiro Cirano
- Professor, Dental Research Division, School of Dentistry, Paulista University, São Paulo, SP, Brazil
| | - Mônica Grazieli Corrêa
- Professor, Dental Research Division, School of Dentistry, Paulista University, São Paulo, SP, Brazil
| | - Fernanda Vieira Ribeiro
- Professor, Dental Research Division, School of Dentistry, Paulista University, São Paulo, SP, Brazil.
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Wang W, Yu Y, Li J, Wang L, Li Z, Zhang C, Zhen L, Ding L, Wang G, Sun X, Xu Y. The analgesic effect of trans-resveratrol is regulated by calcium channels in the hippocampus of mice. Metab Brain Dis 2017; 32:1311-1321. [PMID: 28608248 DOI: 10.1007/s11011-017-0033-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2016] [Accepted: 05/11/2017] [Indexed: 10/19/2022]
Abstract
Resveratrol has been widely studied in terms of it's potential to slow the progression of many diseases. But little is known about the mechanism of action in neuropathic pain. Neuropathic pain is the main type of chronic pain associated with tissue injury. Calcium channels and calcium/caffeine-sensitive pools are associated with analgesic pathway involving neuropathic pain. Our previous study suggested that the antinociceptive effect of resveratrol was involved in Ca2+/calmodulin-dependent signaling in the spinal cord of mice. The aim of this study was to explore the involvement of Ca2+ in analgesic effects of trans-resveratrol in neuropathic pain and signal pathway in hippocampus. Hot plate test was used to assess antinociceptive response when mice were treated with trans-resveratrol alone or in combination with Mk 801, nimodipine, CaCl2, ryanodine or EGTA. The effects of trans-resveratrol and the combination on Ca2+/calmodulin-dependent protein kinase II (CaMKII) and BDNF (brain-derived neurotrophic factor) expression in hippocampus were also investigated. The results showed that trans-resveratrol increased paw withdraw latency in the hot plate test. The effect of resveratrol was enhanced by Mk 801 and nimodipine. Central administration of Ca2+, however, abolished the antinociceptive effects of resveratrol. In contrast, centrally administered EGTA or ryanodine improved trans-resveratrol induced antinociception. There was a significant increase in p-CaMKII and BDNF expression in the hippocampus when resveratrol were combined with Mk 801, nimodipine, ryanodine and EGTA. Administration of CaCl2 blocked changes in p-CaMKII and BDNF levels in the hippocampus. These findings suggest that trans-resveratrol exerts the effects of antinociception through regulation of calcium channels and calcium/caffeine-sensitive pools.
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Affiliation(s)
- Weijie Wang
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Yingcong Yu
- Department of Gastroenterology, Wenzhou People's Hospital, Wenzhou No. 3 Clinical Institute affiliated to Wenzhou Medical University, Wenzhou, Zhejiang Province, 325000, China
| | - Jing Li
- Department of Pharmacy, The Affiliated Hospital of Qingdao University, Qingdao, Shandong Province, 266003, China
| | - Lin Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, 310006, China
| | - Zhi Li
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
- Department of Thyroid Gland and Breast Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Chong Zhang
- Department of Thyroid Gland and Breast Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Linlin Zhen
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, The State University of New York at Buffalo, Buffalo, NY, 14214, USA
| | - Lianshu Ding
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China
| | - Gang Wang
- Department of Clinical Pharmacy, Hangzhou First People's Hospital, Nanjing Medical University, Hangzhou, Zhejiang Province, 310006, China
| | - Xiaoyang Sun
- Department of Neurosurgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China.
| | - Ying Xu
- Department of Pharmaceutical Sciences, School of Pharmacy & Pharmaceutical Sciences, The State University of New York at Buffalo, Buffalo, NY, 14214, USA.
- Department of Thyroid Gland and Breast Surgery, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, 223300, China.
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Nakao S, Mabuchi M, Wang S, Kogure Y, Shimizu T, Noguchi K, Tanaka A, Dai Y. Synthesis of resveratrol derivatives as new analgesic drugs through desensitization of the TRPA1 receptor. Bioorg Med Chem Lett 2017; 27:3167-3172. [PMID: 28576617 DOI: 10.1016/j.bmcl.2017.05.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 05/02/2017] [Accepted: 05/08/2017] [Indexed: 11/28/2022]
Abstract
A series of 31 resveratrol derivatives was designed, synthesized and evaluated for activation and inhibition of the TRPA1 channel. Most acted as activators and desensitizers of TRPA1 channels like resveratrol or allyl isothiocyanate (AITC). Compound 4z (HUHS029) exhibited higher inhibitory activity than resveratrol with an IC50 value of 16.1μM. The activity of 4z on TRPA1 was confirmed in TRPA1-expressing HEK293 cells, as well as in rat dorsal root ganglia neurons by a whole cell patch clamp recording. Furthermore, pretreatment with 4z exhibited an analgesic effect on AITC-evoked TRPA1-related pain behavior in vivo.
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Affiliation(s)
- Syuhei Nakao
- Advanced Medical Research Center, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan; School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan
| | - Miyuki Mabuchi
- Advanced Medical Research Center, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan
| | - Shenglan Wang
- School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan; Traditional Medicine Research Center, Chinese Medicine Confucius Institute at Hyogo College of Medicine, Kobe 650-8530, Japan
| | - Yoko Kogure
- School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan
| | - Tadashi Shimizu
- Advanced Medical Research Center, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan; School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan
| | - Koichi Noguchi
- Department of Anatomy and Neuroscience, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan
| | - Akito Tanaka
- Advanced Medical Research Center, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan; School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan.
| | - Yi Dai
- School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Kobe 650-8530, Japan; Traditional Medicine Research Center, Chinese Medicine Confucius Institute at Hyogo College of Medicine, Kobe 650-8530, Japan; Department of Anatomy and Neuroscience, Hyogo College of Medicine, Nishinomiya, Hyogo 663-8501, Japan.
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Kamaleddin MA. The paradoxical pro- and antiangiogenic actions of resveratrol: therapeutic applications in cancer and diabetes. Ann N Y Acad Sci 2016; 1386:3-15. [PMID: 27880855 DOI: 10.1111/nyas.13283] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 09/24/2016] [Accepted: 09/29/2016] [Indexed: 02/06/2023]
Abstract
Resveratrol, a polyphenol found in grapes, peanuts, and red wine, plays different roles in diseases such as cancer and diabetes. Existing information indicates that resveratrol provides cardioprotection, as evidenced by superior postischemic ventricular recovery, reduced myocardial infarct size, and decreased number of apoptotic cardiomyocytes associated with resveratrol treatment in animal models. Cardiovascular benefits are experienced in humans with routine but not acute consumption of red wine. In this concise review, the paradoxical pro- and antiangiogenic effects of resveratrol are described, and different roles for resveratrol in the formation of new blood vessels are explained through different mechanisms. It is hypothesized that the effects of resveratrol on different cell types are not only dependent on its concentration but also on the physical and chemical conditions surrounding cells. The findings discussed herein shed light on potential therapeutic proapoptotic and antiangiogenic applications of low-dose resveratrol treatment in the prevention and treatment of different diseases.
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Tomaciello F, Leclercq K, Kaminski RM. Resveratrol lacks protective activity against acute seizures in mouse models. Neurosci Lett 2016; 632:199-203. [PMID: 27600732 DOI: 10.1016/j.neulet.2016.09.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 08/30/2016] [Accepted: 09/01/2016] [Indexed: 01/02/2023]
Abstract
Resveratrol (3,4',5-stilbenetriol) is a natural product having diverse anti-inflammatory and antioxidant properties. The compound has a wide spectrum of pharmacological and metabolic activity, including cardioprotective, neuroprotective, anticarcinogenic and anti-aging effects reported in numerous studies. Some reports also suggest potential anticonvulsant properties of resveratrol. In the present study, we used in mice three different seizure models which are routinely applied in preclinical drug discovery. The protective effects of resveratrol were evaluated in the pentylenetetrazole (PTZ), maximal electroshock (MES) and 6-Hz electrical seizure models. Resveratrol (up to 300mg/kg) administered ip (5-60min pre-treatment time) remained without any protective activity against seizures induced in these models. There was only a trend towards a delay in seizure latency, which reached statistical significance after treatment with resveratrol (100mg/kg; 15min) in case of tonic convulsions induced by PTZ. Phenobarbital (PHB, ip, 45min), used as a reference compound, displayed a clear-cut and dose-dependent protection against seizures in all the models. The ED50 values obtained with PHB were as follows: 7.3mg/kg (PTZ model), 13.3mg/kg (MES model) and 29.7mg/kg (6-Hz model). The present data demonstrate that an acute treatment with resveratrol does not provide any significant protection in three seizure models which collectively are able to detect anticonvulsants with diverse mechanisms of action. However, it cannot be excluded that chronic treatment with resveratrol may offer some protection in these or other seizure models.
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Affiliation(s)
- Francesca Tomaciello
- UCB Pharma, Neurosciences TA, B-1420 Braine-l'Alleud, Belgium; Faculty of Science, University of Sannio, Benevento, Italy
| | - Karine Leclercq
- UCB Pharma, Neurosciences TA, B-1420 Braine-l'Alleud, Belgium.
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Singh DP, Borse SP, Nivsarkar M. Clinical importance of nonsteroidal anti-inflammatory drug enteropathy: the relevance of tumor necrosis factor as a promising target. Transl Res 2016; 175:76-91. [PMID: 27083387 DOI: 10.1016/j.trsl.2016.03.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 03/18/2016] [Accepted: 03/21/2016] [Indexed: 12/13/2022]
Abstract
The pathogenesis of nonsteroidal anti-inflammatory drug (NSAID) enteropathy is still unclear, and consequently, there is no approved therapeutic strategy for ameliorating such damage. On the other hand, molecular treatment strategies targeting tumor necrosis factor (TNF) exerts beneficial effects on NSAID-induced intestinal lesions in rodents and rheumatoid arthritis patients. Thus, TNF appears to be a potential therapeutic target for both the prevention and treatment of NSAID enteropathy. However, the causative relationship between TNF and NSAID enteropathy is largely unknown. Currently approved anti-TNF agents are highly expensive and exhibit numerous side effects. Hence, in this review, the pivotal role of TNF in NSAID enteropathy has been summarized and plant-derived polyphenols have been suggested as useful alternative anti-TNF agents because of their ability to suppress TNF activated inflammatory pathways both in vitro and in vivo.
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Affiliation(s)
- Devendra Pratap Singh
- Department of Pharmacology and Toxicology, B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre, Thaltej, Ahmedabad, Gujarat, India; Registered Ph.D Scholar (External) at Institute of Pharmacy, NIRMA University, Sarkhej-Gandhinagar Highway, Ahmedabad, Gujarat, India
| | - Swapnil P Borse
- Department of Pharmacology and Toxicology, B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre, Thaltej, Ahmedabad, Gujarat, India; Registered Ph.D Scholar (External) at Institute of Pharmacy, NIRMA University, Sarkhej-Gandhinagar Highway, Ahmedabad, Gujarat, India
| | - Manish Nivsarkar
- Department of Pharmacology and Toxicology, B. V. Patel Pharmaceutical Education and Research Development (PERD) Centre, Thaltej, Ahmedabad, Gujarat, India.
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El-Sheikh AAK, Morsy MA, Al-Taher AY. Protective mechanisms of resveratrol against methotrexate-induced renal damage may involve BCRP/ABCG2. Fundam Clin Pharmacol 2016; 30:406-18. [DOI: 10.1111/fcp.12205] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 04/27/2016] [Accepted: 05/19/2016] [Indexed: 12/26/2022]
Affiliation(s)
- Azza A. K. El-Sheikh
- Department of Pharmacology; Faculty of Medicine; Minia University; El-Minia 61511 Egypt
| | - Mohamed A. Morsy
- Department of Pharmacology; Faculty of Medicine; Minia University; El-Minia 61511 Egypt
- Department of Pharmaceutical Sciences; College of Clinical Pharmacy; King Faisal University; Al-Ahsa 31982 Saudi Arabia
| | - Abdulla Y. Al-Taher
- Department of Physiology, Biochemistry and Pharmacology; College of Veterinary Medicine; King Faisal University; Al-Ahsa 31982 Saudi Arabia
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1,3-diphenylpropan-1-ones as allosteric modulators of α7 nACh receptors with analgesic and antioxidant properties. Future Med Chem 2016; 8:731-49. [PMID: 27161515 DOI: 10.4155/fmc-2015-0001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
UNLABELLED Nicotine acethylcholine receptors (nAChRs) play critical roles in cognitive processes, neuroprotection and inflammation. RESULTS According to their substituents, 1,3-diphenylpropan-1-one derivatives act as α7 nAChRs negative allosteric modulators (NAM, OMe) or Type I positive allosteric modulators (PAMs, OH). Compounds 7 and 31 were the most effective (989 and 666% enhancement of ACh-induced currents) and potent (EC50: 12.9 and 6.85 μM) PAMs. They exhibited strong radical scavenging values. Compound 31, selective over other neuronal nAChR subtypes and with acceptable pharmacokinetic profile, showed antinociceptive effects in a model of inflammatory pain. CONCLUSION Compound 31 is a novel, potent and selective α7 nAChR PAM, displaying antioxidant and analgesic activities. The 1,3-diphenylpropan-1-one scaffold could be the base toward more advanced type I PAMs for the treatment of nAChR-mediated diseases.
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Wang LL, Shi DL, Gu HY, Zheng MZ, Hu J, Song XH, Shen YL, Chen YY. Resveratrol attenuates inflammatory hyperalgesia by inhibiting glial activation in mice spinal cords. Mol Med Rep 2016; 13:4051-7. [PMID: 27035673 DOI: 10.3892/mmr.2016.5027] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2015] [Accepted: 03/04/2016] [Indexed: 11/06/2022] Open
Abstract
The present study aimed to investigate the effect of resveratrol on inflammatory pain. Mice were injected intraperitoneally with lipopolysaccharide (LPS) for 5 consecutive days to induce subacute systemic inflammation. Acetic acid‑induced writhing tests and tail‑flick tests were performed following the final LPS injection. Glial fibrillary acidic protein (GFAP; an astrocyte‑specific activation marker), ionized calcium binding adapter molecule 1 (Iba‑1; a microglia‑specific activation marker) and sirtuin 1 (SIRT1) protein expression levels were detected using immunohistochemistry analysis or western blotting. Following administration of LPS for 5 days, the number of writhes increased and the tail‑flick latency decreased. Resveratrol (10 or 20 mg/kg) partly inhibited LPS‑induced hyperalgesia and prevented the increase in tumor necrosis factor‑α and interleukin 6 levels induced by LPS. LPS injection reduced the SIRT1 protein expression and increased the number of GFAP‑positive and Iba‑1‑positive cells in the spinal cord. Resveratrol increased the SIRT1 protein expression levels and decreased the number of GFAP‑positive and Iba‑1‑positive cells in LPS‑treated mice. The protective effect of resveratrol was partly blocked by a selective SIRT1 inhibitor, EX‑257. Results from the present study suggest that subacute treatment with LPS induced the activation of glial cells and hyperalgesia. Resveratrol was demonstrated to inhibit the activation of glial cells and attenuate inflammatory hyperalgesia in a SIRT1‑dependent manner.
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Affiliation(s)
- Lin-Lin Wang
- Department of Physiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, P.R. China
| | - Dong-Ling Shi
- Department of Physiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, P.R. China
| | - Hui-Yao Gu
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, P.R. China
| | - Ming-Zhi Zheng
- Department of Pharmacology, Zhejiang Medical College, Hangzhou, Zhejiang 310053, P.R. China
| | - Jue Hu
- Department of Pharmacology, Zhejiang Medical College, Hangzhou, Zhejiang 310053, P.R. China
| | - Xing-Hui Song
- Core Facilities, Department of Basic Medical Sciences, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, P.R. China
| | - Yue-Liang Shen
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, P.R. China
| | - Ying-Ying Chen
- Department of Pathology and Pathophysiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310058, P.R. China
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Coadministration of Resveratrol and Rice Oil Mitigates Nociception and Oxidative State in a Mouse Fibromyalgia-Like Model. PAIN RESEARCH AND TREATMENT 2016; 2016:3191638. [PMID: 27069683 PMCID: PMC4812475 DOI: 10.1155/2016/3191638] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 01/31/2016] [Accepted: 02/16/2016] [Indexed: 12/30/2022]
Abstract
The mechanism underlying pain symptoms in fibromyalgia (FM) is not fully understood. Oxidative stress has emerged as pathophysiological event occurring during the development of the disease. The present study aimed at investigating the efficacy of resveratrol associated with rice bran oil on fibromyalgia-like mice model. Subcutaneous injection of reserpine (0.25 mg/Kg) during 3 days produced fibromyalgia-like symptoms. Resveratrol and/or rice oil or pregabalin were administered through oral route in therapeutic (single dose) and preventive (four doses) schemes. In both schemes, treatment with resveratrol associated with rice bran oil and pregabalin significantly reduced mechanical allodynia and thermal hyperalgesia in animals. The preventive scheme displayed antidepressant effect which was demonstrated by the forced swimming test as well as reduced reactive species in the cerebrospinal fluid of reserpinized animals. Taken together, our data provide evidences that the intake of resveratrol associated with rice bran oil plays antinociceptive and antidepressant actions probably through reducing reactive species and suggests the involvement of oxidative stress in this model of FM as possible underlying mechanism of pathogenesis of the disease.
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Tao L, Ding Q, Gao C, Sun X. Resveratrol attenuates neuropathic pain through balancing pro-inflammatory and anti-inflammatory cytokines release in mice. Int Immunopharmacol 2016; 34:165-172. [PMID: 26953646 DOI: 10.1016/j.intimp.2016.02.033] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 02/24/2016] [Accepted: 02/29/2016] [Indexed: 01/07/2023]
Abstract
Anti-inflammatory activity of resveratrol has been widely studied, while its beneficial effect on the management of neuropathic pain, a refractory chronic syndrome with pro-inflammation implicated in, is very little investigated. In the present study, the effects of different doses and various time window of administration of resveratrol were explored in a neuropathic mouse model of chronic constriction injury (CCI) of the sciatic nerve. It was demonstrated that pretreatment of resveratrol (5, 10, 20 and 40 mg/kg) for 7 consecutive days before CCI did not alleviate neuropathic pain, while it clearly relieved the pain when administrated after CCI and such pain relief effect was more pronounced when administrated right after the peak of pain symptom at day 7 after CCI, as evidenced by the alleviation of thermal hyperalgesia and mechanical allodynia. Such a beneficial effect of resveratrol was in a dose-dependent manner. Mechanistic study showed that resveratrol repressed the expression of pro-inflammatory cytokines, including TNF-α, IL-1β and IL-6, and promoted the expression of anti-inflammatory cytokine IL-10 at the same time, which was further confirmed in a cell model of microglia. It was also shown that neuropathic pain inversely correlated with pro-inflammatory cytokines, such as TNF-α, IL-1β and IL-6, but not with anti-inflammatory cytokine IL-10 in all experimental mice from Spearman correlation coefficient. Our study reveals that resveratrol displays a significant neuropathic pain relief effect and paved a way for novel treatment of chronic pain.
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Affiliation(s)
- Lei Tao
- Department of Anesthesiology, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Qian Ding
- Department of Anesthesiology, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China
| | - Changjun Gao
- Department of Anesthesiology, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
| | - Xude Sun
- Department of Anesthesiology, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
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CIRANO FR, CASARIN RCV, RIBEIRO FV, CASATI MZ, PIMENTEL SP, TAIETE T, BERNARDI MM. Effect of Resveratrol on periodontal pathogens during experimental periodontitis in rats. Braz Oral Res 2016; 30:e128. [DOI: 10.1590/1807-3107bor-2016.vol30.0128] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Accepted: 09/22/2016] [Indexed: 12/17/2022] Open
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Park EJ, Pezzuto JM. The pharmacology of resveratrol in animals and humans. Biochim Biophys Acta Mol Basis Dis 2015; 1852:1071-113. [PMID: 25652123 DOI: 10.1016/j.bbadis.2015.01.014] [Citation(s) in RCA: 192] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2014] [Revised: 01/01/2015] [Accepted: 01/21/2015] [Indexed: 12/12/2022]
Abstract
In addition to thousands of research papers related to resveratrol (RSV), approximately 300 review articles have been published. Earlier research tended to focus on pharmacological activities of RSV related to cardiovascular systems, inflammation, and carcinogenesis/cancer development. More recently, the horizon has been broadened by exploring the potential effect of RSV on the aging process, diabetes, neurological dysfunction, etc. Herein, we primarily focus on the in vivo pharmacological effects of RSV reported over the past 5 years (2009-2014). In addition, recent clinical intervention studies performed with resveratrol are summarized. Some discrepancies exist between in vivo studies with animals and clinical studies, or between clinical studies, which are likely due to disparate doses of RSV, experimental settings, and subject variation. Nevertheless, many positive indications have been reported with mammals, so it is reasonable to advocate for the conduct of more definitive clinical studies. Since the safety profile is pristine, an added advantage is the use of RSV as a dietary supplement. This article is part of a Special Issue entitled: Resveratrol: Challenges in translating pre-clinical findings to improved patient outcomes.
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Affiliation(s)
- Eun-Jung Park
- The Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, HI 96720, USA
| | - John M Pezzuto
- The Daniel K. Inouye College of Pharmacy, University of Hawai'i at Hilo, Hilo, HI 96720, USA.
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Gupta SC, Tyagi AK, Deshmukh-Taskar P, Hinojosa M, Prasad S, Aggarwal BB. Downregulation of tumor necrosis factor and other proinflammatory biomarkers by polyphenols. Arch Biochem Biophys 2014; 559:91-9. [DOI: 10.1016/j.abb.2014.06.006] [Citation(s) in RCA: 154] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2014] [Revised: 06/03/2014] [Accepted: 06/06/2014] [Indexed: 02/07/2023]
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Cheng W, Zhao Y, Liu H, Fan Q, Lu FF, Li J, Yin Q, Yan CD. Resveratrol attenuates bone cancer pain through the inhibition of spinal glial activation and CX3CR1 upregulation. Fundam Clin Pharmacol 2014; 28:661-70. [PMID: 24872145 DOI: 10.1111/fcp.12084] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 05/11/2014] [Accepted: 05/22/2014] [Indexed: 02/04/2023]
Abstract
The present study examined the effects of intrathecal use of resveratrol on pain hypersensitivities, spinal glia activation, and CX3CR1 expression in the model of bone cancer pain (BCP). The BCP model was established through intrathecally injecting Walker 256 mammary gland carcinoma cells to Sprague-Dawley rats. We found that spinal CX3CR1 expression and glial activation aggravated after inoculation. Resveratrol (i.t.) attenuated bone cancer-induced pain hypersensitivities, decreased CX3CR1 expression and glial activation in the spine in a BCP model. Resveratrol (i.t.) also attenuated mechanical allodynia resulting from intrathecally injecting fractalkine in rats. Inhibition of spinal glial activation and CX3CR1 upregulation may involve in resveratrol's analgesic effects. These findings demonstrated that resveratrol attenuated pain facilitation through inhibiting spinal glial activation and CX3CR1 upregulation in a BCP model.
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Affiliation(s)
- Wei Cheng
- Affiliated Hospital of Xuzhou Medical College, 99 Huaihai West Road, Xuzhou, Jiangsu, 221002, China; Xuzhou medical College, Xuzhou, 221002, China; Jiangsu Province Key Laboratory of Anesthesiology and Center for Pain Research and Treatment, Xuzhou Medical College, Xuzhou, 221002, China
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Zhao X, Yu C, Wang C, Zhang JF, Zhou WH, Cui WG, Ye F, Xu Y. Chronic resveratrol treatment exerts antihyperalgesic effect and corrects co-morbid depressive like behaviors in mice with mononeuropathy: involvement of serotonergic system. Neuropharmacology 2014; 85:131-41. [PMID: 24835468 DOI: 10.1016/j.neuropharm.2014.04.021] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Revised: 04/24/2014] [Accepted: 04/29/2014] [Indexed: 12/16/2022]
Abstract
Patients suffering from chronic neuropathic pain are at high risk of co-morbid depression, which burdens healthcare. This work aimed to investigate the effects of resveratrol, a phenolic monomer enriched in red wine and grapes, on pain-related and depressive-like behaviors in mice with mononeuropathy, and explored the mechanism(s). Mice received chronic constriction injury (CCI) of sciatic nerves, and sequentially developed pain-related and depressive-like behaviors, as evidenced by sensory hypersensitivity (thermal hyperalgesia in Hargreaves test and mechanical allodynia in von Frey test) and behavioral despair (prolonged immobility time in forced swim test). Chronic treatment of neuropathic mice with resveratrol (30 mg/kg, p.o., twice per day for three weeks) normalized their thermal hyperalgesia (but not mechanical allodynia) and depressive-like behaviors, and these actions were abolished by chemical depletion of central serotonin (5-HT) but potentiated by co-treatment with 5-HTP, a precursor of 5-HT. The anti-hyperalgesia and anti-depression exerted by resveratrol may be pharmacologically segregated, since intrathecal (i.t.) and intracerebroventricular (i.c.v.) injection of methysergide, a non-selective 5-HT receptor antagonist, separately abrogated the two actions. Furthermore, the antihyperalgesic action of resveratrol was preferentially counteracted by co-administration of the 5-HT7 receptor antagonist SB-258719, while the anti-depression was abrogated by 5-HT1A receptor antagonist WAY-100635. These results confirm that chronic resveratrol administration exerts curative-like effects on thermal hyperalgesia and co-morbid depressive-like behaviors in mice with mononeuropathy. Spinal and supraspinal serotonergic systems (coupled with 5-HT7 and 5-HT1A receptors, respectively) are differentially responsible for the antihyperalgesic and antidepressant-like properties of resveratrol.
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Affiliation(s)
- Xin Zhao
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China.
| | - Chao Yu
- Department of Laboratory Medicine, The Second Hospital, Shandong University, Jinan, Shandong Province 250033, China
| | - Chuang Wang
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Jun-Fang Zhang
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Wen-Hua Zhou
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Wu-Geng Cui
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China
| | - Feng Ye
- Key Laboratory of Molecular Biology for Infectious Diseases, Ministry of Education of China, The Second Affiliated Hospital, Chongqing Medical University, Chongqing 400010, China
| | - Ying Xu
- Department of Pharmacology, Ningbo University, School of Medical Science, Ningbo, Zhejiang Province 315211, China; Department of Behavioral Medicine and Psychiatry, West Virginia University Health Sciences Center, Morgantown 26506-9128, USA.
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VAN DER WAL SEI, VANEKER M, KOX M, BRAAK G, VAN HEES HWH, VAN DEN BRINK IA, VAN DE POL FM, HEUNKS LM, VAN DER HOEVEN JG, JOOSTEN LAB, VISSERS KCP, SCHEFFER GJ. Resveratrol attenuates NF-κB-binding activity but not cytokine production in mechanically ventilated mice. Acta Anaesthesiol Scand 2014; 58:487-94. [PMID: 24571360 DOI: 10.1111/aas.12276] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2014] [Indexed: 01/12/2023]
Abstract
BACKGROUND Mechanical ventilation (MV) can result in inflammation and subsequent lung injury. Toll-like receptor (TLR)4 and NF-κB are proposed to play a crucial role in the MV-induced inflammatory response. Resveratrol (RVT) exhibits anti-inflammatory effects in vitro and in vivo supposedly by interfering with TLR4 signaling and NF-κB. In the present study, we investigated the role of RVT in MV-induced inflammation in mice. METHODS RVT (10 mg/kg, 20 mg/kg and 40 mg/kg) or vehicle was intraperitoneally administered 1 h before start of MV (4 h, tidal volume 8 ml/kg, positive end-expiratory pressure 1,5 cmH2 O and FiO2 0.4). Blood and lungs were harvested for cytokine analysis. DNA binding activity of transcription factor NF-κB was measured in lung homogenates. RESULTS MV resulted in elevated pulmonary concentrations of IL-1β, IL-6, keratinocyte-derived chemokine (KC) and NF-κB DNA-binding activity. RVT at 10, 20 and 40 mg/kg reduced NF-κB's DNA-binding activity following MV compared with ventilated controls. However, no differences in cytokine release were found between RVT-treated and control ventilated mice. Similarly, in plasma, MV resulted in elevated concentrations of TNF-α, KC and IL-6, but RVT did not affect cytokine levels. CONCLUSIONS RVT abrogates the MV-induced increase in pulmonary NF-κB activity but does not attenuate cytokine levels. This implies a less prominent role for NF-κB in MV-induced inflammation than previously assumed.
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Affiliation(s)
- S. E. I. VAN DER WAL
- Department of Anesthesiology; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - M. VANEKER
- Department of Anesthesiology; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - M. KOX
- Department of Anesthesiology; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
- Department of Intensive Care Medicine; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - G. BRAAK
- Department of Anesthesiology; Bernhoven Hospital; Uden The Netherlands
| | - H. W. H. VAN HEES
- Department of Pulmonary Diseases; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - I. A. VAN DEN BRINK
- Department of Anesthesiology; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - F. M. VAN DE POL
- Department of Anesthesiology; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - L. M. HEUNKS
- Department of Intensive Care Medicine; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - J. G. VAN DER HOEVEN
- Department of Intensive Care Medicine; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - L. A. B. JOOSTEN
- Department of Internal Medicine; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - K. C. P. VISSERS
- Department of Anesthesiology; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
| | - G. J. SCHEFFER
- Department of Anesthesiology; Radboud University Nijmegen Medical Centre (RUNMC); Nijmegen The Netherlands
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Pathak NN, Balaganur V, Lingaraju MC, Kant V, Latief N, More AS, Kumar D, Kumar D, Tandan SK. Atorvastatin attenuates neuropathic pain in rat neuropathy model by down-regulating oxidative damage at peripheral, spinal and supraspinal levels. Neurochem Int 2014; 68:1-9. [DOI: 10.1016/j.neuint.2014.01.014] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Revised: 01/28/2014] [Accepted: 01/30/2014] [Indexed: 01/06/2023]
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Abstract
The use of medicinal plants or other naturally derived products to relieve illness can be traced back over several millennia, and these natural products are still extensively used nowadays. Studies on natural products have, over the years, enormously contributed to the development of therapeutic drugs used in modern medicine. By means of the use of these substances as selective agonists, antagonists, enzyme inhibitors or activators, it has been possible to understand the complex function of many relevant targets. For instance, in an attempt to understand how pepper species evoke hot and painful actions, the pungent and active constituent capsaicin (from Capsicum sp.) was isolated in 1846 and the receptor for the biological actions of capsaicin was cloned in 1997, which is now known as TRPV1 (transient receptor potential vanilloid 1). Thus, TRPV1 agonists and antagonists have currently been tested in order to find new drug classes to treat different disorders. Indeed, the transient receptor potential (TRP) proteins are targets for several natural compounds, and antagonists of TRPs have been synthesised based on the knowledge of naturally derived products. In this context, this chapter focuses on naturally derived compounds (from plants and animals) that are reported to be able to modulate TRP channels. To clarify and make the understanding of the modulatory effects of natural compounds on TRPs easier, this chapter is divided into groups according to TRP subfamilies: TRPV (TRP vanilloid), TRPA (TRP ankyrin), TRPM (TRP melastatin), TRPC (TRP canonical) and TRPP (TRP polycystin). A general overview on the naturally derived compounds that modulate TRPs is depicted in Table 1.
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Affiliation(s)
- Flavia Carla Meotti
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, 05508-000, São Paulo, SP, Brazil
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Quintans JSS, Antoniolli AR, Almeida JRGS, Santana-Filho VJ, Quintans-Júnior LJ. Natural products evaluated in neuropathic pain models - a systematic review. Basic Clin Pharmacol Toxicol 2013; 114:442-50. [PMID: 24252102 DOI: 10.1111/bcpt.12178] [Citation(s) in RCA: 70] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2013] [Accepted: 11/06/2013] [Indexed: 11/29/2022]
Abstract
Chronic pain conditions, such as neuropathic pain, are a common problem that poses a major challenge to health-care providers due to its complex natural history, unclear aetiology and poor response towards therapy. Despite the large number of drugs available, the adherence is limited by the large range of side effects and pharmacological ineffectiveness. Thus, the search for new chemical entities that can act as promising molecules to treat chronic pain conditions has emerged. The natural products remain as the most promising sources of new chemical entities with applicability for the medical approach. Hence, we performed a systematic review analysing pre-clinical studies shown to be promising in a possible applicability in neuropathic pain. The search terms neuropathic pain, phytotherapy and medicinal plants were used to retrieve English language articles in LILACS, PUBMED and EMBASE published until 10 April 2013. From a total of 1529 articles surveyed, 28 met the inclusion and exclusion criteria established. The main chemical compounds studied were flavonoids (28%), terpenes (17%), alkaloids (14%), phenols (10%), carotenoids (10%) and others (21%). The mostly described animal models for the study of neuropathic pain included were chronic constriction injury (CCI - 32%), partial sciatic nerve ligation (PSNL - 28%), streptozotocin - induced diabetic (28%), alcoholic neuropathy (3.5%), sodium monoiodoacetate (MIA - 3.5%) and neuropathic pain induced by paclitaxel (3.5%). The opioids, serotonergic and cannabinoid systems are suggested as the most promising targets for the natural products described. Therefore, the data reviewed here suggest that these compounds are possible candidates for the treatment of chronic painful conditions, such as neuropathic pain.
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Casati MZ, Algayer C, Cardoso da Cruz G, Ribeiro FV, Casarin RCV, Pimentel SP, Cirano FR. Resveratrol decreases periodontal breakdown and modulates local levels of cytokines during periodontitis in rats. J Periodontol 2013; 84:e58-64. [PMID: 23489233 DOI: 10.1902/jop.2013.120746] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Resveratrol (3,4',5-trihydroxystilbene) is a naturally occurring product found in numerous plants. Among its biologic properties, resveratrol may promote immunomodulatory effects on the host response. This study investigates the effect of continuous administration of resveratrol on the progression of experimental periodontitis in rats. METHODS Periodontitis was induced in rats in one of the first molars chosen to receive a ligature. Animals were assigned to one of two groups: 1) daily administration of the placebo solution (control group) or 2) 10 mg/kg resveratrol (RESV group). The therapies were administered systemically for 30 days: for 19 days before periodontitis induction and then for another 11 days. Then, the specimens were processed for morphometric analysis of bone loss, and the gingival tissue surrounding the first molar was collected for quantification of interleukin (IL)-1β, IL-4, and IL-17 using a multiplexing assay. RESULTS Intergroup comparisons of the morphometric outcomes revealed higher bone loss values in ligated molars and unligated teeth in the control group than the RESV group (P <0.05). The immunoenzymatic assay of the gingival tissue showed a lower concentration of IL-17 in the RESV group than the control group (P <0.05), whereas no differences in the IL-1β and IL-4 levels of the groups were observed (P >0.05). CONCLUSIONS Continuous administration of resveratrol may decrease periodontal breakdown induced experimentally in rats. In addition, lower levels of IL-17 were found in the RESV group. Future studies are important to confirm the mechanism through which resveratrol exerts its effects.
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Affiliation(s)
- Marcio Z Casati
- Dental Research Division, School of Dentistry, Paulista University, São Paulo, São Paulo, Brazil
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Yu L, Wang S, Kogure Y, Yamamoto S, Noguchi K, Dai Y. Modulation of TRP channels by resveratrol and other stilbenoids. Mol Pain 2013; 9:3. [PMID: 23413875 PMCID: PMC3585750 DOI: 10.1186/1744-8069-9-3] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Accepted: 02/14/2013] [Indexed: 11/25/2022] Open
Abstract
Background Resveratrol (3,5,4’ - trihydroxy-trans-stilbene), a widely distributed natural stilbenoid, was proposed to account for the unique effects of red wine on life span and health. It has been reported to possess various biological and pharmacological activities, such as anti-oxidant, anti-inflammatory, and anti-carcinogenic effects. Here, using whole-cell patch-clamp techniques and behavioral analyses, we investigated whether resveratrol and other stilbenoids can modulate TRP channels in sensory neurons in vitro, and have analgesic effects in vivo. Results We found that resveratrol dose-dependently suppressed the allyl isothiocyanate (AITC)-induced currents (IAITC) in HEK293 cells that express TRPA1, as well as in rat dorsal root ganglion (DRG) neurons. Instead, pinosylvin methyl ether (PME), another derivate of stilbene which has a similar structure to resveratrol, dose-dependently blocked the capsaicin-induced currents (ICAP) in HEK293 cells that express TRPV1 as well as in DRG neurons. Interestingly, resveratrol had no inhibitory effect on the ICAP, and PME had no effect on the IAITC. Otherwise, trans-stilbene showed no any effect on IAITC or ICAP. The concentration response curve of AITC showed that resveratrol inhibited the action of TRPA1 not by changing the EC50, but by suppressing the AITC-induced maximum response. By contrast, the inhibition of TRPV1 by PME did not change the capsaicin-induced maximum response but did cause a right shift of the EC50. Moreover, pre-administration of resveratrol suppressed intraplantar injections of AITC-evoked nocifensive behaviors, as well as that PME suppressed capsaicin-evoked one. Conclusions These data suggest that resveratrol and other stilbenoids may have an inhibitory effect on TRP channels. In addition, these stilbenoids modulate TRP channel activity in different ways.
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Affiliation(s)
- Lina Yu
- Department of Pharmacy, School of Pharmacy, Hyogo University of Health Sciences, 1-3-6 Minatojima, Chuo-ku, Kobe, Hyogo 650-8530, Japan
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Bazzo KO, Souto AA, Lopes TG, Zanin RF, Gomez MV, Souza AH, Campos MM. Evidence for the analgesic activity of resveratrol in acute models of nociception in mice. JOURNAL OF NATURAL PRODUCTS 2013; 76:13-21. [PMID: 23273136 DOI: 10.1021/np300529x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The effects of trans-resveratrol (1) were evaluated in acute nociception models induced by capsaicin or glutamate in mice, in an attempt to further characterize its mechanism of action. The oral administration of 1 (50 and 100 mg/kg) reduced significantly the licking behavior elicited by capsaicin (1.6 μg/paw) or glutamate (10 μmol/paw). The co-administration of 1 into the mouse paw (200 μg/site) markedly prevented glutamate-induced licking, without affecting capsaicin responses. In addition, the intrathecal (it) injection of 1 (150 to 600 μg/site) greatly reduced the licking behavior caused by capsaicin, but not glutamate. Similarly, the intracerebroventricular injection of 1 (300 μg/site) caused a potent inhibition of capsaicin-induced nociception, while the glutamate responses remained unaffected. However, the co-administration of 1 (300 μg/site) reduced the biting behavior induced by spinal injection of glutamate (30 μg/site, it), leaving capsaicin (6.4 μg/site)-induced biting unaltered. Notably, the oral administration of 1 (100 mg/kg) inhibited significantly the capsaicin-induced increase of c-Fos and COX-2 labeling in the spinal cord and COX-2 expression in the cortex, but failed to affect c-Fos and COX-2 expression in the glutamate model. This study has explored the effects of 1 in both the capsaicin and glutamate models, extending current knowledge on the analgesic effects of trans-resveratrol.
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Affiliation(s)
- Karen O Bazzo
- Postgraduate Program in Medicine and Health Sciences, Pontifical Catholic University of Rio Grande do Sul, Porto Alegre, RS, Brazil
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WU CF, YANG JY, WANG F, WANG XX. Resveratrol: botanical origin, pharmacological activity and applications. Chin J Nat Med 2013. [DOI: 10.1016/s1875-5364(13)60001-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Shabani M, Zangiabadi N, Asadi-Shekaari M. Evidence for Positive Effects of Date Extract That Attenuates Thermal Hyperalgesia in a Diabetic Rat Model of Neuropathic Pain. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/nm.2013.41003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Kandhare AD, Ghosh P, Ghule AE, Bodhankar SL. Elucidation of molecular mechanism involved in neuroprotective effect of Coenzyme Q10 in alcohol-induced neuropathic pain. Fundam Clin Pharmacol 2012; 27:603-22. [DOI: 10.1111/fcp.12003] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2012] [Revised: 07/30/2012] [Accepted: 09/11/2012] [Indexed: 12/26/2022]
Affiliation(s)
- Amit D. Kandhare
- Department of Pharmacology; Poona College of Pharmacy; Bharati Vidyapeeth Deemed University; Pune Maharashtra 411038 India
| | - Pinaki Ghosh
- Department of Pharmacology; Poona College of Pharmacy; Bharati Vidyapeeth Deemed University; Pune Maharashtra 411038 India
| | - Arvindkumar E. Ghule
- Department of Pharmacology; Poona College of Pharmacy; Bharati Vidyapeeth Deemed University; Pune Maharashtra 411038 India
| | - Subhash L. Bodhankar
- Department of Pharmacology; Poona College of Pharmacy; Bharati Vidyapeeth Deemed University; Pune Maharashtra 411038 India
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Abstract
Neuropathic pain continues to be a difficult and challenging clinical issue to deal with effectively. Painful diabetic polyneuropathy is a complex pain condition that occurs with reasonable frequency in the population and it may be extremely difficult for clinicians to provide patients with effective analgesia. Chronic neuropathic pain may occur in approximately one of every four diabetic patients. The pain may be described as burning or a deep-seated ache with sporadic paroxysms of lancinating painful exacerbations. The pain is often constant, moderate to severe in intensity, usually primarily involves the feet and generally tends to worsen at night. Treatment may be multimodal but largely involves pharmacological approaches. Pharmacological therapeutic options include antidepressants (tricyclic antidepressants, serotonin-norepinephrine reuptake inhibitors), α2δ ligands and topical (5%) lidocaine patch. Other agents may be different antiepileptic drugs (carbamazepine, lamotrigine, topiramate), topical capsaicin, tramadol and other opioids. Progress continues with respect to understanding various mechanisms that may contribute to painful diabetic neuropathy. Agents that may hold some promise include neurotrophic factors, growth factors, immunomodulators, gene therapy and poly (adenosine diphosphate-ribose) polymerase inhibitors. It is hoped that in the future clinicians will be able to assess patient pathophysiology, which may help them to match optimal therapeutic agents to target individual patient aberrant mechanisms.
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Affiliation(s)
- Howard S Smith
- Albany Medical College, Department of Anesthesiology, Albany, New York 12208, USA.
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Utreras E, Terse A, Keller J, Iadarola MJ, Kulkarni AB. Resveratrol inhibits Cdk5 activity through regulation of p35 expression. Mol Pain 2011; 7:49. [PMID: 21736731 PMCID: PMC3212955 DOI: 10.1186/1744-8069-7-49] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Accepted: 07/07/2011] [Indexed: 02/03/2023] Open
Abstract
Background We have previously reported that cyclin-dependent kinase 5 (Cdk5) participates in the regulation of nociceptive signaling. Through activation of the ERK1/2 pathway, Tumor Necrosis Factor-α (TNF-α) induces expression of Egr-1. This results in the sustained and robust expression of p35, a coactivator of Cdk5, in PC12 cells, thereby increasing Cdk5 kinase activity. The aim of our present study was to test whether resveratrol, a polyphenolic compound with known analgesic activity, can regulate Cdk5/p35 activity. Results Here we used a cell-based assay in which a p35 promoter-luciferase construct was stably transfected in PC12 cells. Our studies demonstrate that resveratrol inhibits p35 promoter activity and also blocks the TNF-α mediated increase in Cdk5 activity in PC12 cells. Resveratrol also inhibits p35 expression and blocks the TNF-α mediated increase in Cdk5 activity in DRG neurons. In the presence of resveratrol, the MEK inhibitor decreased p35 promoter activity, whereas the inhibitors of p38 MAPK, JNK and NF-κB increased p35 promoter activity, indicating that these pathways regulate p35 expression differently. The TNF-α-mediated increase in Egr-1 expression was decreased by resveratrol treatment with a concomitant reduction in p35 expression and protein levels, resulting in reduced Cdk5 kinase activity. Conclusions We demonstrate here that resveratrol regulates p35 promoter activity in PC12 cells and DRG neurons. Most importantly, resveratrol blocks the TNF-α-mediated increase in p35 promoter activity, thereby reducing p35 expression and subsequent Cdk5 kinase activity. This new molecular mechanism adds to the known analgesic effects of resveratrol and confirms the need for identifying new analgesics based on their ability to inhibit Cdk5 activity for effective treatment of pain.
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Affiliation(s)
- Elias Utreras
- Functional Genomic Section, Laboratory of Cell and Developmental Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA
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Gupta SC, Kim JH, Kannappan R, Reuter S, Dougherty PM, Aggarwal BB. Role of nuclear factor κB-mediated inflammatory pathways in cancer-related symptoms and their regulation by nutritional agents. Exp Biol Med (Maywood) 2011; 236:658-71. [PMID: 21565893 DOI: 10.1258/ebm.2011.011028] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Cancer is a disease characterized by dysregulation of multiple genes and is associated with symptoms such as cachexia, anorexia, fatigue, depression, neuropathic pain, anxiety, cognitive impairment, sleep disorders and delirium (acute confusion state) in medically ill patients. These symptoms are caused by either the cancer itself or the cancer treatment. During the past decade, increasing evidence has shown that the dysregulation of inflammatory pathways contributes to the expression of these symptoms. Cancer patients have been found to have higher levels of proinflammatory cytokines such as interleukin-6. The nuclear factor (NF)-κB is a major mediator of inflammatory pathways. Therefore, anti-inflammatory agents that can modulate the NF-κB activation and inflammatory pathways may have potential in improving cancer-related symptoms in patients. Because of their multitargeting properties, low cost, low toxicity and immediate availability, natural agents have gained considerable attention for prevention and treatment of cancer-related symptoms. How NF-κB and inflammatory pathways contribute to cancer-related symptoms is the focus of this review. We will also discuss how nutritional agents such as curcumin, genistein, resveratrol, epigallocatechin gallate and lycopene can modulate inflammatory pathways and thereby reduce cancer-related symptoms in patients.
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Affiliation(s)
- Subash C Gupta
- Cytokine Research Laboratory, Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Mukherjee K, Venkatesh M, Venkatesh P, Saha B, Mukherjee PK. Effect of soy phosphatidyl choline on the bioavailability and nutritional health benefits of resveratrol. Food Res Int 2011. [DOI: 10.1016/j.foodres.2011.03.034] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Perspectives for production and application of resveratrol. Appl Microbiol Biotechnol 2011; 90:417-25. [DOI: 10.1007/s00253-011-3184-8] [Citation(s) in RCA: 122] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Revised: 02/12/2011] [Accepted: 02/13/2011] [Indexed: 12/13/2022]
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