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Khan J, Ali G, Saeed A, Khurshid A, Ahmad S, Kashtoh H, Ataya FS, Bathiha GES, Ullah A, Khan A. Efficacy assessment of novel methanimine derivatives in chronic constriction injury-induced neuropathic model: An in-vivo, ex-vivo and In-Silico approach. Eur J Pharm Sci 2024; 198:106797. [PMID: 38735401 DOI: 10.1016/j.ejps.2024.106797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 05/14/2024]
Abstract
The multicomponent etiology, complex clinical implications, dose-based side effect and degree of pain mitigation associated with the current pharmacological therapy is incapable in complete resolution of chronic neuropathic pain patients which necessitates the perpetual requirement of novel medication therapy. Therefore, this study explored the ameliorative aptitude of two novel methanimine imitative like (E)-N-(4-nitrobenzylidene)-4‑chloro-2-iodobenzamine (KB 09) and (E)-N-(4-methylbenzylidene)-4‑chloro-2-iodobenzamine (KB 10) in chronic constriction injury (CCI) of sciatic nerve induced neuropathic pain in rat model. Standard behavioral tests like dynamic and static allodynia, cold, thermal and mechanical hyperalgesia along with rotarod activity were performed at various experimental days like 0, 3, 7, 14 and 21. Enzyme linked immunosorbent assay (ELISA) on spinal tissue and antioxidant assays on sciatic nerve were executed accompanied by molecular docking and simulation studies. Prolonged ligation of sciatic nerve expressively induced hyperalgesia as well as allodynia in rats. KB 09 and KB 10 substantially attenuated the CCI elicited hyperalgesia and allodynia. They significantly reduced the biomarkers of pain and inflammation like Interleukin-6 (IL-6) and tumor necrosis factor-alpha (TNF-α) in ELISA and while enhanced the GSH, SOD and CAT and diminished the MDA levels during antioxidant assays. KB 09 displayed -9.62 kcal/mol with TNF-α and -7.68 kcal/mol binding energy with IL-6 whereas KB 10 exhibited binding energy of -8.20 kcal/mol with IL-6 while -11.68 kcal/mol with TNF-α and hence both trial compounds ensured stable interaction with IL-6 and TNF-α during computational analysis. The results advocated that both methanimine derivatives might be novel candidates for attenuation of CCI-induced neuropathic pain prospects via anti-nociceptive, anti-inflammatory and antioxidant mechanisms.
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Affiliation(s)
- Jawad Khan
- Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan.
| | - Gowhar Ali
- Department of Pharmacy, University of Peshawar, Peshawar 25120, Pakistan.
| | - Aamer Saeed
- Department of Chemistry, Quaid-I-Azam University Islamabad 45320, Pakistan
| | - Asma Khurshid
- Department of Chemistry, Quaid-I-Azam University Islamabad 45320, Pakistan.
| | - Sajjad Ahmad
- Department of Health and Biological Sciences, Abasyn University Peshawar 25000, Pakistan
| | - Hamdy Kashtoh
- Department of Biotechnology, Yeungnam University, Gyeongbuk, Korea.
| | - Farid S Ataya
- Department of Biochemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
| | - Gaber El-Saber Bathiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour 22511, AlBeheria, Egypt
| | - Aman Ullah
- Department of Pharmacy, Saba Medical Center, Abu Dhabi PO Box 20316, United Arab Emirates
| | - Ajmal Khan
- Natural and Medical Sciences Research Center, University of Nizwa, P.O Box 33, Postal Code 616, Birkat Al Mauz, Nizwa, Sultanate of Oman
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Zhao B, Zhang Q, He Y, Cao W, Song W, Liang X. Targeted metabolomics reveals the aberrant energy status in diabetic peripheral neuropathy and the neuroprotective mechanism of traditional Chinese medicine JinMaiTong. J Pharm Anal 2024; 14:225-243. [PMID: 38464790 PMCID: PMC10921333 DOI: 10.1016/j.jpha.2023.09.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/15/2023] [Accepted: 09/18/2023] [Indexed: 03/12/2024] Open
Abstract
Diabetic peripheral neuropathy (DPN) is a common and devastating complication of diabetes, for which effective therapies are currently lacking. Disturbed energy status plays a crucial role in DPN pathogenesis. However, the integrated profile of energy metabolism, especially the central carbohydrate metabolism, remains unclear in DPN. Here, we developed a metabolomics approach by targeting 56 metabolites using high-performance ion chromatography-tandem mass spectrometry (HPIC-MS/MS) to illustrate the integrative characteristics of central carbohydrate metabolism in patients with DPN and streptozotocin-induced DPN rats. Furthermore, JinMaiTong (JMT), a traditional Chinese medicine (TCM) formula, was found to be effective for DPN, improving the peripheral neurological function and alleviating the neuropathology of DPN rats even after demyelination and axonal degeneration. JMT ameliorated DPN by regulating the aberrant energy balance and mitochondrial functions, including excessive glycolysis restoration, tricarboxylic acid cycle improvement, and increased adenosine triphosphate (ATP) generation. Bioenergetic profile was aberrant in cultured rat Schwann cells under high-glucose conditions, which was remarkably corrected by JMT treatment. In-vivo and in-vitro studies revealed that these effects of JMT were mainly attributed to the activation of adenosine monophosphate (AMP)-activated protein kinase (AMPK) and downstream peroxisome proliferator-activated receptor gamma coactivator 1-alpha (PGC-1α). Our results expand the therapeutic framework for DPN and suggest the integrative modulation of energy metabolism using TCMs, such as JMT, as an effective strategy for its treatment.
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Affiliation(s)
- Bingjia Zhao
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Qian Zhang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Yiqian He
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Weifang Cao
- Institute of Basic Medicine Sciences, Chinese Academy of Medical Sciences, Beijing, 100005, China
| | - Wei Song
- Medical Research Center, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, China
| | - Xiaochun Liang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, 100730, China
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Bansal K, Singh V, Singh S, Mishra S. Neuroprotective Potential of Hesperidin as Therapeutic Agent in the Treatment of Brain Disorders: Preclinical Evidence-based Review. Curr Mol Med 2024; 24:316-326. [PMID: 36959141 DOI: 10.2174/1566524023666230320144722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 03/25/2023]
Abstract
Neurodegenerative disorders (NDs) are progressive morbidities that represent a serious health issue in the aging world population. There is a contemporary upsurge in worldwide interest in the area of traditional remedies and phytomedicines are widely accepted by researchers due to their health-promoted effects and fewer side effects. Hesperidin, a flavanone glycoside present in the peels of citrus fruits, possesses various biological activities including anti-inflammatory and antioxidant actions. In various preclinical studies, hesperidin has provided significant protective actions in a variety of brain disorders such as Alzheimer's disease, epilepsy, Parkinson's disease, multiple sclerosis, depression, neuropathic pain, etc. as well as their underlying mechanisms. The findings indicate that the neuroprotective effects of hesperidin are mediated by modulating antioxidant defence activities and neural growth factors, diminishing apoptotic and neuro-inflammatory pathways. This review focuses on the potential role of hesperidin in managing and treating diverse brain disorders.
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Affiliation(s)
- Keshav Bansal
- Institute of Pharmaceutical Research, GLA University, Mathura-281406, Uttar Pradesh, India
| | - Vanshita Singh
- Institute of Pharmaceutical Research, GLA University, Mathura-281406, Uttar Pradesh, India
| | - Sakshi Singh
- Institute of Pharmaceutical Research, GLA University, Mathura-281406, Uttar Pradesh, India
| | - Samiksha Mishra
- Institute of Pharmaceutical Research, GLA University, Mathura-281406, Uttar Pradesh, India
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Alini M, Diwan AD, Erwin WM, Little CB, Melrose J. An update on animal models of intervertebral disc degeneration and low back pain: Exploring the potential of artificial intelligence to improve research analysis and development of prospective therapeutics. JOR Spine 2023; 6:e1230. [PMID: 36994457 PMCID: PMC10041392 DOI: 10.1002/jsp2.1230] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 08/31/2022] [Accepted: 09/11/2022] [Indexed: 02/03/2023] Open
Abstract
Animal models have been invaluable in the identification of molecular events occurring in and contributing to intervertebral disc (IVD) degeneration and important therapeutic targets have been identified. Some outstanding animal models (murine, ovine, chondrodystrophoid canine) have been identified with their own strengths and weaknesses. The llama/alpaca, horse and kangaroo have emerged as new large species for IVD studies, and only time will tell if they will surpass the utility of existing models. The complexity of IVD degeneration poses difficulties in the selection of the most appropriate molecular target of many potential candidates, to focus on in the formulation of strategies to effect disc repair and regeneration. It may well be that many therapeutic objectives should be targeted simultaneously to effect a favorable outcome in human IVD degeneration. Use of animal models in isolation will not allow resolution of this complex issue and a paradigm shift and adoption of new methodologies is required to provide the next step forward in the determination of an effective repairative strategy for the IVD. AI has improved the accuracy and assessment of spinal imaging supporting clinical diagnostics and research efforts to better understand IVD degeneration and its treatment. Implementation of AI in the evaluation of histology data has improved the usefulness of a popular murine IVD model and could also be used in an ovine histopathological grading scheme that has been used to quantify degenerative IVD changes and stem cell mediated regeneration. These models are also attractive candidates for the evaluation of novel anti-oxidant compounds that counter inflammatory conditions in degenerate IVDs and promote IVD regeneration. Some of these compounds also have pain-relieving properties. AI has facilitated development of facial recognition pain assessment in animal IVD models offering the possibility of correlating the potential pain alleviating properties of some of these compounds with IVD regeneration.
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Affiliation(s)
- Mauro Alini
- AO Research Institute Davos Platz Switzerland
| | - Ashish D. Diwan
- Spine Service, Department of Orthopedic Surgery, St. George & Sutherland Campus, Clinical School University of New South Wales Sydney New South Wales Australia
| | - W. Mark Erwin
- Department of Surgery University of Toronto Ontario Canada
| | - Chirstopher B. Little
- Raymond Purves Bone and Joint Research Laboratory Kolling Institute, Sydney University Faculty of Medicine and Health, Northern Sydney Area Health District, Royal North Shore Hospital St. Leonards New South Wales Australia
| | - James Melrose
- Raymond Purves Bone and Joint Research Laboratory Kolling Institute, Sydney University Faculty of Medicine and Health, Northern Sydney Area Health District, Royal North Shore Hospital St. Leonards New South Wales Australia
- Graduate School of Biomedical Engineering The University of New South Wales Sydney New South Wales Australia
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Yang HY, Wu J, Lu H, Cheng ML, Wang BH, Zhu HL, Liu L, Xie M. Emodin suppresses oxaliplatin-induced neuropathic pain by inhibiting COX2/NF-κB mediated spinal inflammation. J Biochem Mol Toxicol 2023; 37:e23229. [PMID: 36184831 DOI: 10.1002/jbt.23229] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 07/25/2022] [Accepted: 09/16/2022] [Indexed: 01/15/2023]
Abstract
Oxaliplatin (OXA) is a common chemotherapy drug for colorectal, gastric, and pancreatic cancers. The anticancer effect of OXA is often accompanied by neurotoxicity and acute and chronic neuropathy. The symptoms present as paresthesia and pain which adversely affect patients' quality of life. Herein, five consecutive intraperitoneal injections of OXA at a dose of 4 mg/kg were used to mimic chemotherapy. OXA administration induced mechanical allodynia, activated spinal astrocytes, and increased inflammatory response. To develop an effective therapeutic measure for OXA-induced neuropathic pain, emodin was intrathecally injected into OXA rats. Emodin developed an analgesic effect, as demonstrated by a significant increase in the paw withdrawal threshold of OXA rats. Moreover, emodin treatment reduced the pro-inflammatory cytokines (tumor necrosis factor-α and interleukin-1β) which upregulated in OXA rats. Furthermore, autodock data showed four hydrogen bonds were formed between emodin and cyclooxygenase-2 (COX2), and emodin treatment decreased COX2 expression in OXA rats. Cell research further proved that emodin suppressed nuclear factor κB (NF-κB)-mediated inflammatory signal and reactive oxygen species level. Taken together, emodin reduced spinal COX2/NF-κB mediated inflammatory signal and oxidative stress in the spinal cord of OXA rats which consequently relieved OXA-induced neuropathic pain.
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Affiliation(s)
- He-Yu Yang
- School of Pharmacy, Hubei University of Science and Technology, Xianning, China
| | - Ji Wu
- Affiliated Hospital of Youjiang Medical University for Nationalities, Baise, Guangxi, China
| | - Hong Lu
- School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Meng-Lin Cheng
- School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Bang-Hua Wang
- School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Hai-Li Zhu
- School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Ling Liu
- School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
| | - Min Xie
- School of Basic Medical Sciences, Hubei University of Science and Technology, Xianning, China
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Tiwari P, Mishra R, Mazumder A, Mazumder R, Singh A. An Insight into Diverse Activities and Targets of Flavonoids. Curr Drug Targets 2023; 24:89-102. [PMID: 36111764 DOI: 10.2174/1389450123666220915121236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 08/03/2022] [Accepted: 08/11/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Flavonoids belong to the chemical class of polyphenols and are in the category of secondary metabolites imparting a wide protective effect against acute and chronic diseases. OBJECTIVE The study aims to investigate and summarize the information of various flavonoids extracted, isolated from various sources, and possess different pharmacological properties by acting on multiple targets. METHODS This comprehensive review summarizes the research information related to flavonoids and their pharmacological action targets from various sources like PubMed, Google Scholar and Google websites. RESULTS Extracted information in the paper discusses various therapeutic effects of flavonoids isolated from medicinal plant sources, which have the property to inhibit several enzymes, which finally results in health benefits like anti-cancer, anti-bacterial, antioxidant, anti-allergic, and anti-viral effects. This study also showed the different solvents and methods involved in the extraction and characterization of the isolated phytochemical constituents. CONCLUSION The findings showed the contribution of several flavonoids in the management and inhibition of various acute and chronic sicknesses by acting on different sites in the body. This study may lead to gaining interest for more research on the bioactives of different medicinal plants for the discovery of new lead compounds or further improvement of the efficacy of the existing compound.
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Affiliation(s)
- Prashant Tiwari
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Knowledge Park-2, Plot 19, Greater Noida, Uttar Pradesh, India
| | - Rakhi Mishra
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Knowledge Park-2, Plot 19, Greater Noida, Uttar Pradesh, India
| | - Avijit Mazumder
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Knowledge Park-2, Plot 19, Greater Noida, Uttar Pradesh, India
| | - Rupa Mazumder
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Knowledge Park-2, Plot 19, Greater Noida, Uttar Pradesh, India
| | - Ayushi Singh
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Knowledge Park-2, Plot 19, Greater Noida, Uttar Pradesh, India
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7
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Bajaj S, Gupta S. Nutraceuticals: A Promising Approach Towards Diabetic Neuropathy. Endocr Metab Immune Disord Drug Targets 2023; 23:581-595. [PMID: 36263482 DOI: 10.2174/1871530323666221018090024] [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: 02/05/2022] [Revised: 05/16/2022] [Accepted: 05/25/2022] [Indexed: 11/22/2022]
Abstract
BACKGROUND Various nutraceuticals from different sources have various beneficial actions and have been reported for many years. The important findings from the research conducted using various nutraceuticals exhibiting significant physiological and pharmacological activities have been summarized. METHODS An extensive investigation of literature was done using several worldwide electronic scientific databases like PUBMED, SCOPUS, Science Direct, Google Scholar, etc. The entire manuscript is available in the English language that is used for our various compounds of interest. These databases were thoroughly reviewed and summarized. RESULTS Nutraceuticals obtained from various sources play a vital role in the management of peripheral neuropathy associated with diabetes. Treatment with nutraceuticals has been beneficial as an alternative in preventing the progression. In particular, in vitro and in vivo studies have revealed that a variety of nutraceuticals have significant antioxidant and anti-inflammatory properties that may inhibit the early diabetes-driven molecular mechanisms that induce DPN. CONCLUSION Nutraceuticals obtained from different sources like a plant, an animal, and marine have been properly utilized for the safety of health. In our opinion, this review could be of great interest to clinicians, as it offers a complementary perspective on the management of DPN. Trials with a well-defined patient and symptom selection have shown robust pharmacological design as pivotal points to let these promising compounds become better accepted by the medical community.
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Affiliation(s)
- Sakshi Bajaj
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana-133207, India
| | - Sumeet Gupta
- Department of Pharmaceutical Sciences, M.M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, Haryana-133207, India
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Nutraceuticals: A source of benefaction for neuropathic pain and fibromyalgia. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Fakhri S, Abbaszadeh F, Moradi SZ, Cao H, Khan H, Xiao J. Effects of Polyphenols on Oxidative Stress, Inflammation, and Interconnected Pathways during Spinal Cord Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:8100195. [PMID: 35035667 PMCID: PMC8759836 DOI: 10.1155/2022/8100195] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 12/11/2021] [Indexed: 02/05/2023]
Abstract
Despite the progression in targeting the complex pathophysiological mechanisms of neurodegenerative diseases (NDDs) and spinal cord injury (SCI), there is a lack of effective treatments. Moreover, conventional therapies suffer from associated side effects and low efficacy, raising the need for finding potential alternative therapies. In this regard, a comprehensive review was done regarding revealing the main neurological dysregulated pathways and providing alternative therapeutic agents following SCI. From the mechanistic point, oxidative stress and inflammatory pathways are major upstream orchestras of cross-linked dysregulated pathways (e.g., apoptosis, autophagy, and extrinsic mechanisms) following SCI. It urges the need for developing multitarget therapies against SCI complications. Polyphenols, as plant-derived secondary metabolites, have the potential of being introduced as alternative therapeutic agents to pave the way for treating SCI. Such secondary metabolites presented modulatory effects on neuronal oxidative stress, neuroinflammatory, and extrinsic axonal dysregulated pathways in the onset and progression of SCI. In the present review, the potential role of phenolic compounds as critical phytochemicals has also been revealed in regulating upstream dysregulated oxidative stress/inflammatory signaling mediators and extrinsic mechanisms of axonal regeneration after SCI in preclinical and clinical studies. Additionally, the coadministration of polyphenols and stem cells has shown a promising strategy for improving post-SCI complications.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran
| | - Fatemeh Abbaszadeh
- Department of Neuroscience, Faculty of Advanced Technologies in Medical Sciences, Iran University of Medical Sciences, Tehran, Iran
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Seyed Zachariah Moradi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 6734667149, Iran
| | - Hui Cao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, E-32004 Ourense, Spain
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, 23200, Pakistan
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo-Ourense Campus, E-32004 Ourense, Spain
- Institute of Food Safety and Nutrition, Jinan University, Guangzhou 510632, China
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Tian MM, Li YX, Liu S, Zhu CH, Lan XB, Du J, Ma L, Yang JM, Zheng P, Yu JQ, Liu N. Glycosides for Peripheral Neuropathic Pain: A Potential Medicinal Components. MOLECULES (BASEL, SWITZERLAND) 2021; 27:molecules27010255. [PMID: 35011486 PMCID: PMC8746348 DOI: 10.3390/molecules27010255] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 11/29/2021] [Accepted: 12/24/2021] [Indexed: 12/29/2022]
Abstract
Neuropathic pain is a refractory disease that occurs across the world and pharmacotherapy has limited efficacy and/or safety. This disease imposes a significant burden on both the somatic and mental health of patients; indeed, some patients have referred to neuropathic pain as being ‘worse than death’. The pharmacological agents that are used to treat neuropathic pain at present can produce mild effects in certain patients, and induce many adverse reactions, such as sedation, dizziness, vomiting, and peripheral oedema. Therefore, there is an urgent need to discover novel drugs that are safer and more effective. Natural compounds from medical plants have become potential sources of analgesics, and evidence has shown that glycosides alleviated neuropathic pain via regulating oxidative stress, transcriptional regulation, ion channels, membrane receptors and so on. In this review, we summarize the epidemiology of neuropathic pain and the existing therapeutic drugs used for disease prevention and treatment. We also demonstrate how glycosides exhibit an antinociceptive effect on neuropathic pain in laboratory research and describe the antinociceptive mechanisms involved to facilitate the discovery of new drugs to improve the quality of life of patients experiencing neuropathic pain.
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Affiliation(s)
- Miao-Miao Tian
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Yu-Xiang Li
- College of Nursing, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China;
| | - Shan Liu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Chun-Hao Zhu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Xiao-Bing Lan
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Juan Du
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Lin Ma
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Jia-Mei Yang
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
| | - Ping Zheng
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
- Correspondence: (P.Z.); (J.-Q.Y.); (N.L.)
| | - Jian-Qiang Yu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
- Ningxia Special Traditional Medicine Modern Engineering Research Center and Collaborative Innovation Center, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China
- Correspondence: (P.Z.); (J.-Q.Y.); (N.L.)
| | - Ning Liu
- Department of Pharmacology, School of Pharmacy, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China; (M.-M.T.); (S.L.); (C.-H.Z.); (X.-B.L.); (J.D.); (L.M.); (J.-M.Y.)
- Ningxia Special Traditional Medicine Modern Engineering Research Center and Collaborative Innovation Center, Ningxia Medical University, 1160 Shengli Street, Yinchuan 750004, China
- Correspondence: (P.Z.); (J.-Q.Y.); (N.L.)
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Chen SM, Wang MH, Soung HS, Tseng HC, Fang CH, Lin YW, Yang CC, Tsai CC. Neuroprotective effect of l-theanine in a rat model of chronic constriction injury of sciatic nerve-induced neuropathic pain. J Formos Med Assoc 2021; 121:802-814. [PMID: 34531102 DOI: 10.1016/j.jfma.2021.08.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 08/24/2021] [Accepted: 08/26/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND/PURPOSE We investigated the protective efficacy of l-theanine (LT), the major amino acid components of green tea, on chronic constriction injury (CCI) of sciatic nerve-induced neuropathic pain (NP) development and neuronal functional changes in rats. METHODS Rats with NP induced by CCI of the left sciatic nerve and sham-operated rats received LT or saline solution, with pain sensitive tests of thermal hyperalgesia and mechanical allodynia. Motor and sensory nerve conduction velocities were measured after surgery. Subsequently, the rats were sacrificed; the sciatic nerve was excised, homogenized, prepared and subjected for estimation of nitric oxide (NO), malondialdehyde (MDA), glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), myeloperoxidase (MPO), and caspase-3. RESULTS CCI produced a significant increase in hyperalgesia and allodynia, an increase in SFI, a decrease in nerve conduction velocity, increases in NO, MDA, TNF-α, IL-1β, IL-6, MPO, and caspase-3 levels, as well as reduction of GSH, SOD, and CAT in the rat sciatic nerve. LT treatment significantly and dose-dependently alleviated CCI-induced nociceptive pain thresholds and ameliorated abnormal nerve conduction and functional loss in rats with CCI. Moreover, LT treatment reduced NO and MDA levels, increased antioxidative strength, and markedly suppressed the levels of neuroinflammatory and apoptotic markers in injured sciatic nerves. CONCLUSION This is the first report on the ameliorative effect of LT in CCI-induced NP in rats. This effect might be attributed to its anti-oxidative, anti-inflammatory, anti-apoptotic, and neuroprotective, thus making it potentially useful as an adjuvant to conventional treatment.
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Affiliation(s)
- Shu-Mei Chen
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei Medical University, Taipei, 110, Taiwan, ROC; Department of Surgery, School of Medicine, Taipei Medical University, Taipei, 110, Taiwan, ROC
| | - Mao-Hsien Wang
- Department of Anesthesia, En Chu Kon Hospital, Sanshia District, New Taipei City, 23702, Taiwan, ROC
| | - Hung-Sheng Soung
- Department of Psychiatry, Yuan-Shan Br. of Taipei Veteran General Hospital, Yilan County, 26604, Taiwan, ROC; Department of Biomedical Engineering, National Defense Medical Center, Taipei, 11490, Taiwan, ROC
| | - Hsiang-Chien Tseng
- Department of Anesthesiology, Shin Kong Wu Ho-Su Memorial Hospital, Taipei, 11101, Taiwan, ROC; School of Medicine, Fu Jen Catholic University, New Taipei City, 24205, Taiwan, ROC
| | - Chih-Hsiang Fang
- China Medical University Hospital, Taichung City, 404332, Taiwan, ROC; Trauma and Emergency Center, China Medical University Hospital, Taichung City, 404018, Taiwan, ROC
| | - Yi-Wen Lin
- Institute of Biomedical Engineering, National Taiwan University, Taipei, 10051, Taiwan, ROC
| | - Chih-Chuan Yang
- Department of Neurosurgery, Mackay Memorial Hospital, Taipei, 10449, Taiwan, ROC; Department of Nursing, Mackay Junior College of Medicine, Nursing and Management, Taipei, 11260, Taiwan, ROC
| | - Cheng-Chia Tsai
- Department of Neurosurgery, Mackay Memorial Hospital, Taipei, 10449, Taiwan, ROC; Department of Medicine, Mackay Medical College, New Taipei City, 252, Taiwan, ROC.
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Agulló V, González-Trujano ME, Hernandez-Leon A, Estrada-Camarena E, Pellicer F, García-Viguera C. Synergistic Interaction in the Analgesic-Like Effects of Maqui Berry and Citrus Is Antagonized by Sweeteners. Nutrients 2021; 13:nu13072466. [PMID: 34371971 PMCID: PMC8308574 DOI: 10.3390/nu13072466] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 07/12/2021] [Accepted: 07/15/2021] [Indexed: 12/14/2022] Open
Abstract
Although physiologically pain has a protective function, in many diseases, it is one of the most prominent symptoms. Today, new trends are focused on finding more natural alternatives to conventional treatments to alleviate it. Thereby, the purpose of this investigation was to obtain preclinical data of the antinociceptive properties of a lyophilized obtained from a newly designed maqui-citrus beverage alone and added with different sweeteners. To achieve this objective, maqui berry and citrus pharmacological activity were studied separately, as well as the interaction of both ingredients. In addition, due to the controversy generated regarding the intake of sugars, related to different metabolic diseases, the influence of different sweeteners (stevia, sucralose, or sucrose) was studied to determine their possible influence on the bioactive compounds of this product. For the attainment of our goals, a pharmacological evaluation, using the 1% formalin test, a nociceptive pain model in mice, was performed by using a sub-efficacious dosage of Maqui (25 mg/kg, i.p.) alone and combined with citrus, and then compared with the effects obtained in the presence of the different sweeteners. As a result, the antinociceptive response of the maqui was synergized in the presence of citrus in the neurogenic and inflammatory phases of the formalin test. However, this response was partially or totally reduced in the presence of the sweeteners. Our study gives preclinical evidence that a combination of maqui and citrus might exert beneficial actions to relieve pain, whereas the presence of sweeteners could reduce or avoid it.
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Affiliation(s)
- Vicente Agulló
- Laboratorio de Neurofarmacología de Productos Naturales, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calz. Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Tlalpan, Ciudad de Mexico 14370, Mexico; (V.A.); (A.H.-L.); (F.P.)
- Grupo Calidad, Laboratorio de Fitoquímica y Alimentos Saludables (LabFAS), Bioactividad y Seguridad, Departamento de Ciencia y Tecnología de Alimentos, CEBAS-CSIC, Campus de Espinardo 25, 30100 Murcia, Spain
| | - María Eva González-Trujano
- Laboratorio de Neurofarmacología de Productos Naturales, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calz. Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Tlalpan, Ciudad de Mexico 14370, Mexico; (V.A.); (A.H.-L.); (F.P.)
- Correspondence: (M.E.G.-T.); (C.G.-V.)
| | - Alberto Hernandez-Leon
- Laboratorio de Neurofarmacología de Productos Naturales, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calz. Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Tlalpan, Ciudad de Mexico 14370, Mexico; (V.A.); (A.H.-L.); (F.P.)
| | - Erika Estrada-Camarena
- Laboratorio de Neuropsicofarmacología, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calz. Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Tlalpan, Ciudad de Mexico 14370, Mexico;
| | - Francisco Pellicer
- Laboratorio de Neurofarmacología de Productos Naturales, Dirección de Investigaciones en Neurociencias, Instituto Nacional de Psiquiatría Ramón de la Fuente Muñiz, Calz. Mexico-Xochimilco 101, Col. San Lorenzo Huipulco, Tlalpan, Ciudad de Mexico 14370, Mexico; (V.A.); (A.H.-L.); (F.P.)
| | - Cristina García-Viguera
- Grupo Calidad, Laboratorio de Fitoquímica y Alimentos Saludables (LabFAS), Bioactividad y Seguridad, Departamento de Ciencia y Tecnología de Alimentos, CEBAS-CSIC, Campus de Espinardo 25, 30100 Murcia, Spain
- Correspondence: (M.E.G.-T.); (C.G.-V.)
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13
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Han C, Du D, Wen Y, Li J, Wang R, Jin T, Yang J, Shi N, Jiang K, Deng L, Fu X, Mukherjee R, Windsor JA, Hong J, Phillips AR, Sutton R, Huang W, Liu T, Xia Q. Chaiqin chengqi decoction ameliorates acute pancreatitis in mice via inhibition of neuron activation-mediated acinar cell SP/NK1R signaling pathways. JOURNAL OF ETHNOPHARMACOLOGY 2021; 274:114029. [PMID: 33731310 DOI: 10.1016/j.jep.2021.114029] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 02/17/2021] [Accepted: 03/10/2021] [Indexed: 02/06/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Chaiqin chengqi decoction (CQCQD) and its derivatives have been widely used in China for the early management of patients with acute pancreatitis (AP). Numerous studies demonstrate the anti-inflammatory and anti-oxidative effects of CQCQD and derivatives, but whether these effects can be attributed to suppressing neurogenic inflammation, has never been studied. AIM OF THE STUDY To investigate the effects of CQCQD on substance P (SP)-neurokinin 1 receptor (NK1R) based neurogenic inflammation in an experimental AP model. MATERIAL AND METHODS For AP patients on admission, pain score was accessed by visual analog scale (VAS); the levels of serum SP and expressions of pancreatic SP and NK1R were also determined. For in vivo study, mice received 7 intraperitoneal injections of cerulein (50 μg/kg) at hourly intervals to induce AP, whilst controls received normal saline injections. In the treatment groups, CQCQD (10 g/kg, 200 μl) was intragastrically given at the third, fifth, and seventh of the cerulein injection or the NK1R antagonist CP96345 (5 mg/kg) was intraperitoneally injected 30 min before the first cerulein administration. The von Frey test was performed to evaluate pain behavior. Animals were sacrificed at 12 h from the first cerulein/saline injection for severity assessment. Pharmacology network analysis was used to identify active ingredients of CQCQD for AP and pain. In vitro, freshly isolated pancreatic acinar cells were pre-treated with CQCQD (5 mg/ml), CP96345 (1 μM), or selected active compounds of CQCQD (12.5, 25, and 50 μM) for 30 min, followed by SP incubation for another 30 min. RESULTS The VAS score as well as the levels of serum SP and expressions of pancreatic SP-NK1R were up-regulated in moderately severe and severe patients compared with those with mild disease. CQCQD, but not CP96345, consistently and significantly ameliorated pain, pancreatic necrosis, and systemic inflammation in cerulein-induced AP as well as inhibited NK1R internalization of pancreatic acinar cells. These effects of CQCQD were associated with reduction of pancreatic SP-NK1R and neuron activity in pancreas, dorsal root ganglia, and spinal cord. Baicalin, emodin, and magnolol, the top 3 active components of CQCQD identified via pharmacology network analysis, suppressed NK1R internalization and NF-κB signal pathway activation in isolated pancreatic acinar cells. CONCLUSIONS CQCQD ameliorated cerulein-induced AP and its associated pain via inhibiting neuron activation-mediated pancreatic acinar cell SP-NK1R signaling pathways and its active compounds baicalin, emodin, and magnolol contributed to this effect.
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Affiliation(s)
- Chenxia Han
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Dan Du
- West China-Washington Mitochondria and Metabolism Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Yongjian Wen
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiawang Li
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Rui Wang
- Core Research Facilities, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Tao Jin
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jingyu Yang
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Na Shi
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Kun Jiang
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Lihui Deng
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Xianghui Fu
- Division of Endocrinology and Metabolism, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Rajarshi Mukherjee
- Liverpool Pancreatitis Study Group, Royal Liverpool University Hospital and Institute of Translational Medicine, University of Liverpool, Liverpool, L69 3GE, United Kingdom
| | - John A Windsor
- Surgical and Translational Research Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 1023, New Zealand
| | - Jiwon Hong
- Surgical and Translational Research Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 1023, New Zealand; Applied Surgery and Metabolism Laboratory, School of Biological Sciences, University of Auckland, Auckland, 1010, New Zealand
| | - Anthony R Phillips
- Surgical and Translational Research Centre, Faculty of Medical and Health Sciences, University of Auckland, Auckland, 1023, New Zealand; Applied Surgery and Metabolism Laboratory, School of Biological Sciences, University of Auckland, Auckland, 1010, New Zealand
| | - Robert Sutton
- Liverpool Pancreatitis Study Group, Royal Liverpool University Hospital and Institute of Translational Medicine, University of Liverpool, Liverpool, L69 3GE, United Kingdom
| | - Wei Huang
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Tingting Liu
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China.
| | - Qing Xia
- Department of Integrated Traditional Chinese and Western Medicine, Sichuan Provincial Pancreatitis Centre and West China-Liverpool Biomedical Research Centre, West China Hospital, Sichuan University, Chengdu, 610041, China.
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Rao PN, Mainkar O, Bansal N, Rakesh N, Haffey P, Urits I, Orhurhu V, Kaye AD, Urman RD, Gulati A, Jones M. Flavonoids in the Treatment of Neuropathic Pain. Curr Pain Headache Rep 2021; 25:43. [PMID: 33961144 DOI: 10.1007/s11916-021-00959-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/21/2021] [Indexed: 01/25/2023]
Abstract
PURPOSE OF REVIEW Chronic pain continues to present a large burden to the US healthcare system. Neuropathic pain, a common class of chronic pain, remains particularly difficult to treat despite extensive research efforts. Current pharmacologic regimens exert limited efficacy and wide, potentially dangerous side effect profiles. This review provides a comprehensive, preclinical evaluation of the literature regarding the role of flavonoids in the treatment of neuropathic pain. RECENT FINDINGS Flavonoids are naturally occurring compounds, found in plants and various dietary sources, which may have potential benefit in neuropathic pain. Numerous animal-model studies have demonstrated this benefit, including reversal of hyperalgesia and allodynia. Flavonoids have also exhibited an anti-inflammatory effect relevant to neuropathic pain, as evidenced by the reduction in multiple pro-inflammatory mediators, such as TNF-α, NF-κB, IL-1β, and IL-6. Flavonoids represent a potentially new treatment modality for neuropathic pain in preclinical models, though human clinical evidence is yet to be explored at this time.
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Affiliation(s)
- Prashant N Rao
- Department of Anesthesiology, New York-Presbyterian, Weill Cornell Medical College, 525 East 68th Street, Box 124, New York, NY, 10065, USA
| | - Ojas Mainkar
- Department of Anesthesiology, New York-Presbyterian, Weill Cornell Medical College, 525 East 68th Street, Box 124, New York, NY, 10065, USA
| | - Nitin Bansal
- Department of Anesthesiology, New York-Presbyterian, Weill Cornell Medical College, 525 East 68th Street, Box 124, New York, NY, 10065, USA
| | - Neal Rakesh
- Department of Anesthesiology, New York-Presbyterian, Weill Cornell Medical College, 525 East 68th Street, Box 124, New York, NY, 10065, USA
| | - Paul Haffey
- Department of Anesthesiology, New York-Presbyterian, Weill Cornell Medical College, 525 East 68th Street, Box 124, New York, NY, 10065, USA
| | - Ivan Urits
- Southcoast Health, Southcoast Health Physicians Group, New Bedford, MA, USA
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA, USA
| | - Vwaire Orhurhu
- Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Alan D Kaye
- Department of Anesthesiology, Louisiana State University Health Shreveport, Shreveport, LA, USA
| | - Richard D Urman
- Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Amitabh Gulati
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Mark Jones
- Department of Anesthesiology, New York-Presbyterian, Weill Cornell Medical College, 525 East 68th Street, Box 124, New York, NY, 10065, USA.
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15
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Wang X, Liu Y, Zhang H, Jin J, Ma Y, Leng Y. Sinomenine alleviates dorsal root ganglia inflammation to inhibit neuropathic pain via the p38 MAPK/CREB signalling pathway. Eur J Pharmacol 2021; 897:173945. [PMID: 33596416 DOI: 10.1016/j.ejphar.2021.173945] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 02/01/2021] [Accepted: 02/06/2021] [Indexed: 12/15/2022]
Abstract
The objective of study was to investigate the inhibitory effect of sinomenine on neuropathic pain on dorsal root ganglia (DRG). The DRG cell line and spinal nerve ligation (SNL) model were used in this study. The effect of sinomenine on the cell viability was examined by MTT assay. The expression of p38 MAPK, NF-κB, c-fos, SP and TNF-α was detected by using immunofluorescence and immunohistochemistry assay. We also assessed the level of p-CaMKII, COX-2, p-CREB, IL-17A, TLR4 and IL-1β via western blotting and RT-qPCR. Compared to the controls, sinomenine showed a protective effect on TNF-α-induced apoptosis on DRG cells in a dose-dependent manner, with an increase of cell viability and a decrease of reactive oxygen species level as well as LDH release. Parallelly, sinomenine treatment significantly reduced the expression of various factors related to stress and inflammation, including p38 MAPK, NF-κB, c-fos, p-CAMKII, COX-2, p-CREB, TLR4 and IL-17A in DRG cells in vitro. Furthermore, we found that administration of sinomenine significantly reduced mechanical withdrawal threshold and thermal withdrawal latency and inhibited the inflammation and activation of p38 signaling in SNL rats. It is noting that combined therapy of sinomenine and pulsed radiofrequency exhibited higher efficacy of dorsal root ganglia inflammation than single treatment as well as the combination of oxycodone and pulsed radiofrequency. Sinomenine inhibited the apoptosis of DRG cell by regulating p38 MAPK/CREB signalling pathway, which provides evidence to alleviate neuropathic pain in clinic.
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Affiliation(s)
- Xiaoqing Wang
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China; Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yatao Liu
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Hong Zhang
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Jianping Jin
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yuqing Ma
- Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China
| | - Yufang Leng
- The First Clinical Medical College, Lanzhou University, Lanzhou, Gansu, China; Department of Anesthesiology, The First Hospital of Lanzhou University, Lanzhou, Gansu, China.
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16
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Song W, Sun Y, Liang XC, Zhang Q, Xie J, Wang C, Liu W. Jinmaitong ameliorates diabetes-induced peripheral neuropathy in rats through Wnt/β-catenin signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2021; 266:113461. [PMID: 33039625 DOI: 10.1016/j.jep.2020.113461] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 09/11/2020] [Accepted: 10/04/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Jinmaitong (JMT) is a prescription of Traditional Chinese Medicine, which is composed of ten herbal drugs and two animal drugs. It has long been used for the treatment of diabetic peripheral neuropathy (DPN). AIM OF STUDY Wnt/β-catenin pathway is considered as an essential and direct driver of myelinogenesis. This study aims to evaluate the protective effect of JMT against DPN dynamically during a 16-weeks' treatment, and to investigate the underlying mechanism in which the Wnt/β-catenin pathway is involved. MATERIALS AND METHODS Diabetic model was induced by single intraperitoneal injection of Streptozotocin (STZ) using male Sprague-Dawley rats. The model rats were divided into five groups and administrated with JMT at three doses (0.437, 0.875, and 1.75 g/kg per day), neurotropin (positive drug, 2.67 NU/kg per day), and placebo (deionized water), respectively, for continuous 8 weeks (n = 9-10), 12 weeks (n = 8-10), or 16 weeks (n = 7-9). Meanwhile, rats in control group were administrated with placebo (n = 10 for 8 weeks, n = 9 for 12 and 16 weeks, respectively). Blood glucose and body weight were monitored every four weeks. Mechanical allodynia was assessed using mechanical withdrawal threshold (MWT) test. The morphological change of sciatic nerves were observed by transmission electron microscope (TEM) and hematoxylin and eosin (HE) stain. The mRNA and protein levels of targeted genes were evaluated by quantitative real time-PCR and western bolt, respectively. Myelin protein zero (MPZ) and mediators involved in Wnt/β-catenin pathway, such as β-catenin, glycogen synthase kinase 3β (GSK-3β), and WNT inhibitory factor-1 (WIF-1), were compared among different groups after treatment of 8, 12, and 16 weeks, respectively. RESULTS The mechanical allodynia and peripheral nerve morphology were degenerated in DPN rats over time, and notably improved after JMT-treatment of 12 and 16 weeks. The decreased MPZ level in DPN rats were also significantly amended by JMT. More importantly, we found that the suppressed Wnt/β-catenin pathway in sciatic nerves of DPN rats was overtly up-regulated by JMT in a time-dependent manner. Among the three doses, JMT at the middle dose showed the best effect. CONCLUSIONS JMT effectively ameliorated diabetic-induced peripheral neuropathy, which was mediated by the activation of Wnt/β-catenin signaling pathway. This study provided new perspective to understand the neuroprotective mechanism of JMT.
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Affiliation(s)
- Wei Song
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China; Medical Research Center, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
| | - Ying Sun
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
| | - Xiao-Chun Liang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
| | - Qian Zhang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
| | - Jun Xie
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
| | - Chao Wang
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
| | - Wei Liu
- Department of Traditional Chinese Medicine, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Science, Beijing, China.
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Citrus Flavonoids as Promising Phytochemicals Targeting Diabetes and Related Complications: A Systematic Review of In Vitro and In Vivo Studies. Nutrients 2020; 12:nu12102907. [PMID: 32977511 PMCID: PMC7598193 DOI: 10.3390/nu12102907] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 09/17/2020] [Accepted: 09/19/2020] [Indexed: 01/04/2023] Open
Abstract
The consumption of plant-based food is important for health promotion, especially concerning the prevention and management of chronic diseases. Flavonoids are the main bioactive compounds in citrus fruits, with multiple beneficial effects, especially antidiabetic effects. We systematically review the potential antidiabetic action and molecular mechanisms of citrus flavonoids based on in vitro and in vivo studies. A search of the PubMed, EMBASE, Scopus, and Web of Science Core Collection databases for articles published since 2010 was carried out using the keywords citrus, flavonoid, and diabetes. All articles identified were analyzed, and data were extracted using a standardized form. The search identified 38 articles, which reported that 19 citrus flavonoids, including 8-prenylnaringenin, cosmosiin, didymin, diosmin, hesperetin, hesperidin, isosiennsetin, naringenin, naringin, neohesperidin, nobiletin, poncirin, quercetin, rhoifolin, rutin, sineesytin, sudachitin, tangeretin, and xanthohumol, have antidiabetic potential. These flavonoids regulated biomarkers of glycemic control, lipid profiles, renal function, hepatic enzymes, and antioxidant enzymes, and modulated signaling pathways related to glucose uptake and insulin sensitivity that are involved in the pathogenesis of diabetes and its related complications. Citrus flavonoids, therefore, are promising antidiabetic candidates, while their antidiabetic effects remain to be verified in forthcoming human studies.
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Singh L, Kaur A, Garg S, Singh AP, Bhatti R. Protective Effect of Esculetin, Natural Coumarin in Mice Model of Fibromyalgia: Targeting Pro-Inflammatory Cytokines and MAO-A. Neurochem Res 2020; 45:2364-2374. [DOI: 10.1007/s11064-020-03095-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/04/2020] [Accepted: 07/09/2020] [Indexed: 10/23/2022]
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19
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De Feo M, Paladini A, Ferri C, Carducci A, Del Pinto R, Varrassi G, Grassi D. Anti-Inflammatory and Anti-Nociceptive Effects of Cocoa: A Review on Future Perspectives in Treatment of Pain. Pain Ther 2020; 9:231-240. [PMID: 32314320 PMCID: PMC7203300 DOI: 10.1007/s40122-020-00165-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Indexed: 12/22/2022] Open
Abstract
Cocoa has been reported to have medicinal properties. It contains a wide range of phytochemicals, including polyphenols, which have been shown to exert anti-inflammatory and antioxidant actions, and also to have a positive effect on pain. Other components of cocoa might be able to positively influence pain perception through various mechanisms. Despite encouraging results from preclinical studies, there is a lack of evidence of antinociceptive effects of cocoa from clinical trials in humans. Further research is needed to better identify the active principles in cocoa, to understand the underlying mechanisms of action, and to establish efficacy in humans.
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Affiliation(s)
- Martina De Feo
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, Viale S Salvatore, Delta 6 Medicina, 67100, L'Aquila, Italy
| | - Antonella Paladini
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, Viale S Salvatore, Delta 6 Medicina, 67100, L'Aquila, Italy
| | - Claudio Ferri
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, Viale S Salvatore, Delta 6 Medicina, 67100, L'Aquila, Italy
| | - Augusto Carducci
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, Viale S Salvatore, Delta 6 Medicina, 67100, L'Aquila, Italy
| | - Rita Del Pinto
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, Viale S Salvatore, Delta 6 Medicina, 67100, L'Aquila, Italy
| | - Giustino Varrassi
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, Viale S Salvatore, Delta 6 Medicina, 67100, L'Aquila, Italy
| | - Davide Grassi
- Department of Life, Health, and Environmental Sciences, University of L'Aquila, Viale S Salvatore, Delta 6 Medicina, 67100, L'Aquila, Italy.
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Ferraz CR, Carvalho TT, Manchope MF, Artero NA, Rasquel-Oliveira FS, Fattori V, Casagrande R, Verri WA. Therapeutic Potential of Flavonoids in Pain and Inflammation: Mechanisms of Action, Pre-Clinical and Clinical Data, and Pharmaceutical Development. Molecules 2020; 25:E762. [PMID: 32050623 PMCID: PMC7037709 DOI: 10.3390/molecules25030762] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 02/01/2020] [Accepted: 02/07/2020] [Indexed: 12/19/2022] Open
Abstract
Pathological pain can be initiated after inflammation and/or peripheral nerve injury. It is a consequence of the pathological functioning of the nervous system rather than only a symptom. In fact, pain is a significant social, health, and economic burden worldwide. Flavonoids are plant derivative compounds easily found in several fruits and vegetables and consumed in the daily food intake. Flavonoids vary in terms of classes, and while structurally unique, they share a basic structure formed by three rings, known as the flavan nucleus. Structural differences can be found in the pattern of substitution in one of these rings. The hydroxyl group (-OH) position in one of the rings determines the mechanisms of action of the flavonoids and reveals a complex multifunctional activity. Flavonoids have been widely used for their antioxidant, analgesic, and anti-inflammatory effects along with safe preclinical and clinical profiles. In this review, we discuss the preclinical and clinical evidence on the analgesic and anti-inflammatory proprieties of flavonoids. We also focus on how the development of formulations containing flavonoids, along with the understanding of their structure-activity relationship, can be harnessed to identify novel flavonoid-based therapies to treat pathological pain and inflammation.
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Affiliation(s)
- Camila R. Ferraz
- Departament of Pathology, Center of Biological Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil; (C.R.F.); (T.T.C.); (M.F.M.); (N.A.A.); (F.S.R.-O.); (V.F.)
| | - Thacyana T. Carvalho
- Departament of Pathology, Center of Biological Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil; (C.R.F.); (T.T.C.); (M.F.M.); (N.A.A.); (F.S.R.-O.); (V.F.)
| | - Marília F. Manchope
- Departament of Pathology, Center of Biological Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil; (C.R.F.); (T.T.C.); (M.F.M.); (N.A.A.); (F.S.R.-O.); (V.F.)
| | - Nayara A. Artero
- Departament of Pathology, Center of Biological Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil; (C.R.F.); (T.T.C.); (M.F.M.); (N.A.A.); (F.S.R.-O.); (V.F.)
| | - Fernanda S. Rasquel-Oliveira
- Departament of Pathology, Center of Biological Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil; (C.R.F.); (T.T.C.); (M.F.M.); (N.A.A.); (F.S.R.-O.); (V.F.)
| | - Victor Fattori
- Departament of Pathology, Center of Biological Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil; (C.R.F.); (T.T.C.); (M.F.M.); (N.A.A.); (F.S.R.-O.); (V.F.)
| | - Rubia Casagrande
- Departament of Pharmaceutical Sciences, Center of Health Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil
| | - Waldiceu A. Verri
- Departament of Pathology, Center of Biological Sciences, Londrina State University, 86057–970 Londrina, Paraná, Brazil; (C.R.F.); (T.T.C.); (M.F.M.); (N.A.A.); (F.S.R.-O.); (V.F.)
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21
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The potentially beneficial effects of supplementation with hesperidin in poultry diets. WORLD POULTRY SCI J 2019. [DOI: 10.1017/s0043933917001088] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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22
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Pla-Pagà L, Companys J, Calderón-Pérez L, Llauradó E, Solà R, Valls RM, Pedret A. Effects of hesperidin consumption on cardiovascular risk biomarkers: a systematic review of animal studies and human randomized clinical trials. Nutr Rev 2019; 77:845-864. [DOI: 10.1093/nutrit/nuz036] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Abstract
Context
The cardioprotective effects of the flavonoid hesperidin, which is present in citrus products, are controversial and unclear. This systematic review was conducted in accordance with the PRISMA 2015 guidelines.
Objective
To evaluate the current evidence from animal and human clinical studies and thus determine whether the consumption of hesperidin exerts beneficial effects on cardiovascular risk factors.
Data sources
PICOS (Population, Intervention, Comparison, Outcome, and Study Design) criteria defined the research question. Searches of the PubMed and Cochrane Plus databases were conducted and studies that met the inclusion criteria and were published in English in the last 15 years were included.
Data extraction
The first author, year of publication, study design, characteristics of animals and humans, intervention groups, dose of hesperidin, route of administration, duration of the intervention, cardiovascular risk biomarkers assessed, and results observed were extracted from the included articles.
Results
A total of 12 animal studies and 11 randomized clinical trials met the inclusion criteria. In the animal studies, the glucose, total and LDL cholesterol, and triglyceride levels decreased with chronic flavonoid consumption. In the human studies, endothelial function improved with flavonoid consumption, whereas no conclusive results were observed for the other biomarkers.
Conclusions
Animal studies have revealed that hesperidin and hesperetin consumption reduces glucose levels and various lipid profile parameters. However, a definitive conclusion cannot be drawn from the existing human clinical trials. Further research is needed to confirm whether the findings observed in animal models can also be observed in humans.
Systematic Review Registration
Prospero registration number CRD42018088942.
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Affiliation(s)
- L Pla-Pagà
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
- Universitat Rovira i Virgili, Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-SALUT), Reus, Spain
- Hospital Universitari Sant Joan, Reus, Spain
| | - J Companys
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
- Universitat Rovira i Virgili, Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-SALUT), Reus, Spain
| | - L Calderón-Pérez
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
- Universitat Rovira i Virgili, Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-SALUT), Reus, Spain
| | - E Llauradó
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
- Universitat Rovira i Virgili, Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-SALUT), Reus, Spain
| | - R Solà
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
- Universitat Rovira i Virgili, Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-SALUT), Reus, Spain
- Hospital Universitari Sant Joan, Reus, Spain
| | - R M Valls
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
- Universitat Rovira i Virgili, Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-SALUT), Reus, Spain
| | - A Pedret
- Eurecat, Centre Tecnològic de Catalunya, Unitat de Nutrició i Salut, Reus, Spain
- Universitat Rovira i Virgili, Facultat de Medicina i Ciències de la Salut, Functional Nutrition, Oxidation and Cardiovascular Disease Group (NFOC-SALUT), Reus, Spain
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Xuguang H, Aofei T, Tao L, Longyan Z, Weijian B, Jiao G. Hesperidin ameliorates insulin resistance by regulating the IRS1-GLUT2 pathway via TLR4 in HepG2 cells. Phytother Res 2019; 33:1697-1705. [PMID: 31074547 DOI: 10.1002/ptr.6358] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 02/22/2019] [Accepted: 03/11/2019] [Indexed: 11/07/2022]
Abstract
The aim of this study was to evaluate the effect and mechanism of hesperidin (HES) on insulin resistance (IR) in the human hepatocellular carcinoma cell line (HepG2 cells). HepG2 cells were induced with lipopolysaccharide (LPS) as a model of IR and treated with HES at three dosages. Next, the levels of interleukin-6 (IL-6) and tumor necrosis factor-α (TNF-α), the glucose content, and glucose uptake were evaluated by enzyme-linked immunosorbent assay, glucose oxidase-peroxidase method (GOD-POD), or (2-(N-(7-nitrobenz-2-oxa-1, 3-diazol-4-yl)amino)-2-deoxyglucose) (2-NBDG). Moreover, the protein expression of toll-like receptors 4 (TLR4), insulin receptor substrate 1 (IRS1), nuclear factor kappa B (NF-κB), and glucose transporter 2 (GLUT2) in HepG2 cells treated with HES were assessed via western blotting analysis. In addition, GLUT2 protein expression exposed to HES was detected following treatment with TLR4 inhibitor (HTA125). Our results demonstrated that HES decreased the levels of TNF-α and IL-6, attenuated the glucose content in culture medium and increased glucose uptake in insulin-resistant HepG2 cells in vitro. Moreover, HES upregulated the expression of IRS1 and GLUT2 protein and downregulated the protein expression of TLR4 and NF-κB in insulin-resistant HepG2 cells. The expression of GLUT2 protein had no significant changes when treated with HES after blockade of TLR4. HES attenuated IR in LPS-inducedinsulin-resistant HepG2 cells. Therefore, regulating the IRS1-GLUT2 pathway via TLR4 represents a potential mechanism of HES on IR in HepG2 cells.
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Affiliation(s)
- Hu Xuguang
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong Key Laboratory of Metabolic Disease Prevention and Treatment of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, China
| | - Tian Aofei
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong Key Laboratory of Metabolic Disease Prevention and Treatment of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, China
| | - Liu Tao
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong Key Laboratory of Metabolic Disease Prevention and Treatment of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, China
| | - Zhou Longyan
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong Key Laboratory of Metabolic Disease Prevention and Treatment of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, China
| | - Bei Weijian
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong Key Laboratory of Metabolic Disease Prevention and Treatment of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, China
| | - Guo Jiao
- Guangdong Metabolic Disease Research Center of Integrated Chinese and Western Medicine, Guangdong Key Laboratory of Metabolic Disease Prevention and Treatment of Traditional Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou, China
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E3 Ubiquitin Ligase c-cbl Inhibits Microglia Activation After Chronic Constriction Injury. Neurochem Res 2018; 43:1631-1640. [PMID: 29934689 DOI: 10.1007/s11064-018-2578-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Revised: 06/12/2018] [Accepted: 06/15/2018] [Indexed: 12/11/2022]
Abstract
E3 ubiquitin ligase c-Caritas B cell lymphoma (c-cbl) is associated with negative regulation of receptor tyrosine kinases, signal transduction of antigens and cytokine receptors, and immune response. However, the expression and function of c-cbl in the regulation of neuropathic pain after chronic constriction injury (CCI) are unknown. In rat CCI model, c-cbl inhibited the activation of spinal cord microglia and the release of pro-inflammatory factors including tumor necrosis factor alpha (TNF-α), interleukin 1 beta (IL-1β) and interleukin 6 (IL-6), which alleviated mechanical and heat pain through down-regulating extracellular signal-regulated kinase (ERK) pathway. Additionally, exogenous TNF-α inhibited c-cbl protein level vice versa. In the primary microglia transfected with c-cbl siRNA, when treated with TNF-α or TNF-α inhibitor, the corresponding secretion of IL-1β and IL-6 did not change. In summary, CCI down-regulated c-cbl expression and induced the activation of microglia, then activated microglia released inflammatory factors via ERK signaling to cause pain. Our data might supply a novel molecular target for the therapy of CCI-induced neuropathic pain.
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Zarei M, Mohammadi S, Komaki A. Antinociceptive activity of Inula britannica L. and patuletin: In vivo and possible mechanisms studies. JOURNAL OF ETHNOPHARMACOLOGY 2018; 219:351-358. [PMID: 29567278 DOI: 10.1016/j.jep.2018.03.021] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 03/08/2018] [Accepted: 03/16/2018] [Indexed: 06/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Inula britannica L. is a predominant medicinal plant traditionally utilized in the treatments of arthritis and back pain in Iranian folk medicine. AIM OF THE STUDY The purpose of this research was to evaluate the antinociceptive effects of Inula britannica L. flower essential oil (IBLEO) and one of its major constituents, Patuletin (Pn), in male mice. MATERIALS AND METHODS In this study, we used pain assessment tests including acetic acid-induced writhing, tail-flick (TF), formalin induced paw licking (FIPL) model, and glutamate-induced paw licking (GPL). For understanding the supposed antinociceptive mechanisms of IBLEO, opioid and L-arginine/NO/cGMP/ KATP pathways were examined. RESULTS In the TF, writhing, GPL, and FIPL tests, a dosage of 100 mg/kg of IBLEO showed noteworthy antinociceptive effects in comparison with control (p < 0.05). In writhing test, administration of selective opioid antagonists (naltrindole, nor-binaltorphimine, and naloxonazine) attenuated the antinociceptive effect of IBLEO in comparison with control (p < 0.001). Both methylene blue and glibenclamide blocked the antinociceptive effect of IBLEO (p < 0.05), but the administration of L-arginine or sodium nitroprusside fundamentally potentiated the antinociception induced by IBLEO in phase II of the FIPL (p < 0.05). Additionally, patuletin showed significant antinociceptive effects in writhing, FIPL, and GPL tests (p < 0.01). CONCLUSION The results of this examination showed that IBLEO and Pn have antinociceptive effects. The modulation of glutamatergic systems by opioid receptors could be involved, at least in part, in these effects. Our data also suggest the activation of the L-arginine/NO/cGMP/KATP pathway in IBLEO antinociceptive effects.
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Affiliation(s)
- Mohammad Zarei
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Saeed Mohammadi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Alireza Komaki
- Neurophysiology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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Singh AK, Kumar S, Vinayak M. Recent development in antihyperalgesic effect of phytochemicals: anti-inflammatory and neuro-modulatory actions. Inflamm Res 2018; 67:633-654. [PMID: 29767332 DOI: 10.1007/s00011-018-1156-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 05/04/2018] [Accepted: 05/08/2018] [Indexed: 02/08/2023] Open
Abstract
INTRODUCTION Pain is an unpleasant sensation triggered by noxious stimulation. It is one of the most prevalent conditions, limiting productivity and diminishing quality of life. Non steroidal anti inflammatory drugs (NSAIDs) are widely used as pain relievers in present day practice as pain is mostly initiated due to inflammation. However, due to potentially serious side effects, long term use of these antihyperalgesic drugs raises concern. Therefore there is a demand to search novel medicines with least side effects. Herbal products have been used for centuries to reduce pain and inflammation, and phytochemicals are known to cause fewer side effects. However, identification of active phytochemicals of herbal medicines and clear understanding of the molecular mechanism of their action is needed for clinical acceptance. MATERIALS AND METHODS In this review, we have briefly discussed the cellular and molecular changes during hyperalgesia via inflammatory mediators and neuro-modulatory action involved therein. The review includes 54 recently reported phytochemicals with antihyperalgesic action, as per the literature available with PubMed, Google Scholar and Scopus. CONCLUSION Compounds of high interest as potential antihyperalgesic agents are: curcumin, resveratrol, capsaicin, quercetin, eugenol, naringenin and epigallocatechin gallate (EGCG). Current knowledge about molecular targets of pain and their regulation by these phytochemicals is elaborated and the scope of further research is discussed.
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Affiliation(s)
- Ajeet Kumar Singh
- Department of Zoology, Biochemistry and Molecular Biology Laboratory, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.,Department of Zoology, CMP Degree College, University of Allahabad, Allahabad, 211002, India
| | - Sanjay Kumar
- Department of Zoology, Biochemistry and Molecular Biology Laboratory, Institute of Science, Banaras Hindu University, Varanasi, 221005, India
| | - Manjula Vinayak
- Department of Zoology, Biochemistry and Molecular Biology Laboratory, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
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Singh G, Bhatti R, Mannan R, Singh D, Kesavan A, Singh P. Osthole ameliorates neurogenic and inflammatory hyperalgesia by modulation of iNOS, COX-2, and inflammatory cytokines in mice. Inflammopharmacology 2018; 27:949-960. [PMID: 29736690 DOI: 10.1007/s10787-018-0486-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 04/20/2018] [Indexed: 01/04/2023]
Abstract
BACKGROUND Osthole is a bioactive component reported in medicinal plants such as Angelica pubescens and Cnidium monnieri, known for analgesic activity. However, the toxicity, median effective dose (ED50), and dual modulation of nitric oxide and cyclooxygenase pathways along with inflammatory cytokines of osthole are yet to be determined. METHODS The animals (mice) were assessed for general behaviour and mortality in varying doses (50, 300, and 2000 mg kg-1) of osthole for acute toxicity over 14 days. The analgesic activity was investigated using acetic acid and formalin-induced hyperalgesia, and anti-inflammatory activity was explored in carrageenan-induced paw oedema. ED50 of osthole was calculated using Design Expert software. Involvement of nitric oxide and cyclooxygenase pathways was investigated by agonist challenges with L-arginine and substance P, respectively. The expression of inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) was determined in spinal sections by immunohistochemical analysis. Lipopolysaccharide (LPS) challenge was used to assess in vivo effect on inflammatory cytokines (TNFα and IL-6). RESULTS Acute toxicity studies revealed no behavioural abnormality or mortality on osthole treatment and unremarkable histological findings. Osthole was found to significantly decrease acetic acid and formalin-induced hyperalgesia (ED50 = 5.43 mg kg-1) and carrageenan-induced paw oedema with no toxicity symptoms. Osthole produced a marked decrease in iNOS and COX-2 expression as well as TNFα and IL-6. The findings corroborate to modulation of iNOS and COX-2 and inflammatory cytokines by osthole. This study provides promising insights and prospects for application of osthole in pain management.
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Affiliation(s)
- Gurjit Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India
| | - Rajbir Bhatti
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, Punjab, 143005, India.
| | - Rahul Mannan
- Department of Pathology, Sri Guru Ram Das Institute of Medical Sciences and Research, Amritsar, India
| | - Drishtant Singh
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar, India
| | - Anup Kesavan
- Department of Molecular Biology and Biochemistry, Guru Nanak Dev University, Amritsar, India
| | - Palwinder Singh
- Department of Chemistry, Guru Nanak Dev University, Amritsar, India
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Shi J, Jiang K, Li Z. MiR-145 ameliorates neuropathic pain via inhibiting inflammatory responses and mTOR signaling pathway by targeting Akt3 in a rat model. Neurosci Res 2017; 134:10-17. [PMID: 29162479 DOI: 10.1016/j.neures.2017.11.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 11/15/2017] [Accepted: 11/17/2017] [Indexed: 12/19/2022]
Abstract
Neuropathic pain perplexes a large population of patients with various diseases. Inflammation plays a key role in the physiopathology of neuropathic pain. Anti-inflammatory can be a promising strategy to treat neuropathic pain. We generated a chronic constriction injury rat model to mimic neuropathic pain by ligating the left ischiadic nerves of rats. Then we performed intrathecal injection of miR-145 mimics to treat these rats for seven consecutive days. Pain behavior tests including mechanical allodynia and thermal hyperalgesia, pro-inflammatory cytokines including tumor necrosis factor (TNF)-α, interleukin (IL)-1β and IL-6 were analyzed. Quantitative polymerase chain reaction and immunoblotting were performed to detect the changes of signaling pathway after miR-145 mimic treatment. Targeting of Akt3 by miR-145 was studied by dual-luciferase reporter gene assays. MiR-145 mimics injection significantly mollified both mechanical allodynia and thermal hyperalgesia in rats, and down-regulated secretion of TNF-α, IL-1β and IL-6. We confirmed that miR-145 directly targeted Akt3, inhibiting NF-κB and mTOR downstream genes in rat dorsal root ganglia. MiR-145 can mollify neuropathic pain in a chronic constriction injury rat model by reducing inflammation and ion channel overexpression through Akt3/mTOR and Akt3/NF-κB signaling pathways.
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Affiliation(s)
- Jinshan Shi
- Department of Anesthesiology, Guizhou Provincial People's Hospital, Guiyang 550002, China.
| | - Ke Jiang
- Department of Anesthesiology, The Affiliated Hospital of Guizhou Medical University, Guiyang 550000, China
| | - Zhaoduan Li
- Department of Anesthesiology, Tianjin Nankai Hospital, Tianjin 300100, China
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