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Wang Q, Jin Q, Cai L, Zhao C, Feng P, Jia J, Xu W, Qian Q, Ding Z, Xu J, Gu C, Zhang S, Shi H, Ma H, Deng Y, Zhang T, Song Y, Wang Q, Zhang Y, Zhou X, Pei L, Yang Y, Liang J, Jiang T, Li H, Liu H, Wu L, Kang P. Efficacy of Diosmin in Reducing Lower-Extremity Swelling and Pain After Total Knee Arthroplasty: A Randomized, Controlled Multicenter Trial. J Bone Joint Surg Am 2024; 106:492-500. [PMID: 38109425 DOI: 10.2106/jbjs.23.00854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2023]
Abstract
BACKGROUND Many patients experience lower-extremity swelling following total knee arthroplasty (TKA), which impedes recovery. Diosmin is a semisynthetic flavonoid that is often utilized to treat swelling and pain caused by chronic venous insufficiency. We aimed to evaluate the efficacy and safety of diosmin in reducing lower-extremity swelling and pain as well as in improving functional outcomes following TKA. METHODS This study was designed as a randomized, controlled multicenter trial and conducted in 13 university-affiliated tertiary hospitals. A total of 330 patients undergoing TKA were randomized to either receive or not receive diosmin postoperatively. The diosmin group received 0.9 g of diosmin twice per day for 14 consecutive days starting on the day after surgery, whereas the control group received neither diosmin nor a placebo postoperatively. The primary outcome was lower-extremity swelling 1, 2, 3, and 14 days postoperatively. The secondary outcomes were postoperative pain assessed with use of a visual analogue scale, Hospital for Special Surgery score, range of knee motion, levels of the inflammatory biomarkers C-reactive protein and interleukin-6, and complications. RESULTS At all postoperative time points, diosmin was associated with significantly less swelling of the calf, thigh, and upper pole of the patella as well as with significantly lower pain scores during motion. However, no significant differences in postoperative pain scores at rest, Hospital for Special Surgery scores, range of motion, levels of inflammatory biomarkers, or complication rates were found between the diosmin and control groups. CONCLUSIONS The use of diosmin after TKA reduced lower-extremity swelling and pain during motion and was not associated with an increased incidence of short-term complications involving the outcomes studied. However, further studies are needed to continue exploring the efficacy and safety of diosmin use in TKA. LEVEL OF EVIDENCE Therapeutic Level I . See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Qiuru Wang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Qunhua Jin
- Orthopedics Ward 3, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, People's Republic of China
| | - Lijun Cai
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Chengcheng Zhao
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
| | - Pengfei Feng
- Orthopedics Ward 3, General Hospital of Ningxia Medical University, Yinchuan, Ningxia, People's Republic of China
| | - Jie Jia
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Weihua Xu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, People's Republic of China
| | - Qirong Qian
- Department of Orthopedics, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, People's Republic of China
| | - Zheru Ding
- Department of Orthopedics, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, People's Republic of China
| | - Jianzhong Xu
- Department of Orthopedics, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Chenxi Gu
- Department of Orthopedics, First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, People's Republic of China
| | - Shoutao Zhang
- Department of Bone and Joint Surgery, Binzhou Medical University Hospital, Binzhou, Shandong, People's Republic of China
| | - Hui Shi
- Department of Bone and Joint Surgery, Binzhou Medical University Hospital, Binzhou, Shandong, People's Republic of China
| | - Hongbing Ma
- Department of Orthopedics, Chengdu Second People's Hospital, Chengdu, Sichuan, People's Republic of China
| | - Ye Deng
- Department of Orthopedics, Chengdu Second People's Hospital, Chengdu, Sichuan, People's Republic of China
| | - Tingjiu Zhang
- Department of Orthopedics, Dazhou Central Hospital, Dazhou, Sichuan, People's Republic of China
| | - Yuan Song
- Department of Orthopedics, Dazhou Central Hospital, Dazhou, Sichuan, People's Republic of China
| | - Qiang Wang
- Department of Orthopedics, First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui, People's Republic of China
| | - Yinchang Zhang
- Department of Orthopedics, First Affiliated Hospital of Wannan Medical College, Wuhu, Anhui, People's Republic of China
| | - Xinshe Zhou
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Lijia Pei
- Department of Orthopedics, First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, People's Republic of China
| | - Yunkang Yang
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, LuZhou, Sichuan, People's Republic of China
| | - Jie Liang
- Department of Orthopedics, Affiliated Hospital of Southwest Medical University, LuZhou, Sichuan, People's Republic of China
| | - Tao Jiang
- Department of Orthopedics, First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, People's Republic of China
| | - Hao Li
- Department of Orthopedics, First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, People's Republic of China
| | - Huancai Liu
- Department of Orthopedics, Affiliated Hospital of Weifang Medical College, Weifang, Shandong, People's Republic of China
| | - Lizhong Wu
- Department of Orthopedics, Affiliated Hospital of Weifang Medical College, Weifang, Shandong, People's Republic of China
| | - Pengde Kang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, Sichuan, People's Republic of China
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Lawrence JM, Schardien K, Wigdahl B, Nonnemacher MR. Roles of neuropathology-associated reactive astrocytes: a systematic review. Acta Neuropathol Commun 2023; 11:42. [PMID: 36915214 PMCID: PMC10009953 DOI: 10.1186/s40478-023-01526-9] [Citation(s) in RCA: 60] [Impact Index Per Article: 60.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 02/08/2023] [Indexed: 03/16/2023] Open
Abstract
In the contexts of aging, injury, or neuroinflammation, activated microglia signaling with TNF-α, IL-1α, and C1q induces a neurotoxic astrocytic phenotype, classified as A1, A1-like, or neuroinflammatory reactive astrocytes. In contrast to typical astrocytes, which promote neuronal survival, support synapses, and maintain blood-brain barrier integrity, these reactive astrocytes downregulate supportive functions and begin to secrete neurotoxic factors, complement components like C3, and chemokines like CXCL10, which may facilitate recruitment of immune cells across the BBB into the CNS. The proportion of pro-inflammatory reactive astrocytes increases with age through associated microglia activation, and these pro-inflammatory reactive astrocytes are particularly abundant in neurodegenerative disorders. As the identification of astrocyte phenotypes progress, their molecular and cellular effects are characterized in a growing array of neuropathologies.
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Affiliation(s)
- Jill M Lawrence
- Molecular and Cell Biology and Genetics Graduate Program, Drexel University College of Medicine, Philadelphia, PA, USA
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA, USA
- Center for Molecular Virology and Translational Neuroscience, Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Kayla Schardien
- Molecular and Cell Biology and Genetics Graduate Program, Drexel University College of Medicine, Philadelphia, PA, USA
- Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, PA, USA
| | - Brian Wigdahl
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA, USA
- Center for Molecular Virology and Translational Neuroscience, Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA, USA
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Michael R Nonnemacher
- Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA, USA.
- Center for Molecular Virology and Translational Neuroscience, Institute for Molecular Medicine and Infectious Disease, Drexel University College of Medicine, Philadelphia, PA, USA.
- Sidney Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA.
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Rao Y, Li J, Qiao R, Luo J, Liu Y. Tetramethylpyrazine and Astragaloside IV have synergistic effects against spinal cord injury-induced neuropathic pain via the OIP5-AS1/miR-34a/Sirt1/NF-κB axis. Int Immunopharmacol 2023; 115:109546. [PMID: 36577153 DOI: 10.1016/j.intimp.2022.109546] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 11/09/2022] [Accepted: 12/01/2022] [Indexed: 12/28/2022]
Abstract
BACKGROUND Both Tetramethylpyrazine (TMPZ) and Astragaloside IV (AGS-IV) can ameliorate neuronal apoptosis and neuroinflammation in CNS diseases. This study revolves around the underlying mechanism of TMPZ and AGS-IV in spinal cord injury (SCI)-associated neuropathic pain (NP). MATERIALS AND METHODS An in-vivo NP model was constructed in Sprague-Dawley (SD) rats via SCI. qRT-PCR was employed to detect OIP5-AS1 and miR-34a. The paw withdrawal threshold (PWT) and paw withdrawal latency (PWL) of the rats were evaluated. Neuronal apoptosis in the spinal cord of rats was examined by Nissl staining and TUNEL staining. The interactions between OIP5-AS1 and miR-34a as well as miR-34a and Sirt1 were investigated through dual luciferase assay and RIP assay. The protein expressions of Bad, Bax, Caspase-3, iNOS, COX2, NF-κB, and Sirt1 were examined by western blot. RESULTS TMPZ and AGS-IV combination relieved behavioral symptoms of neuropathic pain in the SCI rat model, enhanced the levels of OIP5-AS1 and Sirt1, and lowered the profile of miR-34a. OIP5-AS1 downregulation weakened the neuroprotective function of TMPZ and AGS-IV in SCI rats and reversed their anti-inflammatory and anti-apoptotic effects on LPS-elicited primary spinal cord neurons. miR-34a was identified as a target of OIP5-AS1. Upregulated miR-34a partly abated the protective functions of TMPZ and AGS-IV in primary spinal cord neurons. Additionally, miR-34a targeted and repressed Sirt1, thus activating the NF-κB pathway and inflammatory reactions. Sirt1 inhibition reduced the protective effects mediated by OIP5-AS1. CONCLUSION TMPZ and AGS-IV ameliorate SCI-elicited NP via the OIP5-AS1/miR-34a/Sirt1/NF-κB pathway.
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Affiliation(s)
- Yaojian Rao
- Department of Spine Surgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003, China.
| | - Junjie Li
- Department of Spine Surgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003, China
| | - Ruofei Qiao
- Department of Spine Surgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003, China
| | - Jinxin Luo
- Department of Spine Surgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003, China
| | - Yan Liu
- Department of Spine Surgery, The First Affiliated Hospital, and College of Clinical Medicine of Henan University of Science and Technology, Luoyang 471003, China
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4
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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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5
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Starobova H, Alshammari A, Winkler IG, Vetter I. The role of the neuronal microenvironment in sensory function and pain pathophysiology. J Neurochem 2022. [PMID: 36394416 DOI: 10.1111/jnc.15724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/10/2022] [Accepted: 11/16/2022] [Indexed: 11/19/2022]
Abstract
The high prevalence of pain and the at times low efficacy of current treatments represent a significant challenge to healthcare systems worldwide. Effective treatment strategies require consideration of the diverse pathophysiologies that underlie various pain conditions. Indeed, our understanding of the mechanisms contributing to aberrant sensory neuron function has advanced considerably. However, sensory neurons operate in a complex dynamic microenvironment that is controlled by multidirectional interactions of neurons with non-neuronal cells, including immune cells, neuronal accessory cells, fibroblasts, adipocytes, and keratinocytes. Each of these cells constitute and control the microenvironment in which neurons operate, inevitably influencing sensory function and the pathology of pain. This review highlights the importance of the neuronal microenvironment for sensory function and pain, focusing on cellular interactions in the skin, nerves, dorsal root ganglia, and spinal cord. We discuss the current understanding of the mechanisms by which neurons and non-neuronal cells communicate to promote or resolve pain, and how this knowledge could be used for the development of mechanism-based treatments.
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Affiliation(s)
- Hana Starobova
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland, Australia
| | - Ammar Alshammari
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland, Australia
| | - Ingrid G Winkler
- Mater Research Institute, The University of Queensland, Queensland, South Brisbane, Australia
| | - Irina Vetter
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, Queensland, Australia
- The School of Pharmacy, The University of Queensland, Woolloongabba, Queensland, Australia
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6
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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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7
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Cheng T, Xu Z, Ma X. The role of astrocytes in neuropathic pain. Front Mol Neurosci 2022; 15:1007889. [PMID: 36204142 PMCID: PMC9530148 DOI: 10.3389/fnmol.2022.1007889] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 08/30/2022] [Indexed: 11/23/2022] Open
Abstract
Neuropathic pain, whose symptoms are characterized by spontaneous and irritation-induced painful sensations, is a condition that poses a global burden. Numerous neurotransmitters and other chemicals play a role in the emergence and maintenance of neuropathic pain, which is strongly correlated with common clinical challenges, such as chronic pain and depression. However, the mechanism underlying its occurrence and development has not yet been fully elucidated, thus rendering the use of traditional painkillers, such as non-steroidal anti-inflammatory medications and opioids, relatively ineffective in its treatment. Astrocytes, which are abundant and occupy the largest volume in the central nervous system, contribute to physiological and pathological situations. In recent years, an increasing number of researchers have claimed that astrocytes contribute indispensably to the occurrence and progression of neuropathic pain. The activation of reactive astrocytes involves a variety of signal transduction mechanisms and molecules. Signal molecules in cells, including intracellular kinases, channels, receptors, and transcription factors, tend to play a role in regulating post-injury pain once they exhibit pathological changes. In addition, astrocytes regulate neuropathic pain by releasing a series of mediators of different molecular weights, actively participating in the regulation of neurons and synapses, which are associated with the onset and general maintenance of neuropathic pain. This review summarizes the progress made in elucidating the mechanism underlying the involvement of astrocytes in neuropathic pain regulation.
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8
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Mustafa S, Akbar M, Khan MA, Sunita K, Parveen S, Pawar JS, Massey S, Agarwal NR, Husain SA. Plant metabolite diosmin as the therapeutic agent in human diseases. CURRENT RESEARCH IN PHARMACOLOGY AND DRUG DISCOVERY 2022; 3:100122. [PMID: 36568270 PMCID: PMC9780066 DOI: 10.1016/j.crphar.2022.100122] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 07/08/2022] [Accepted: 08/02/2022] [Indexed: 12/27/2022] Open
Abstract
Plant-derived flavonoids have been the focus of research for many years mainly in the last decade owing to their therapeutic properties. So far, about 4000 flavonoids have been identified from plants and diosmin (a flavone glycoside) is one of them. Online databases, previous studies, and reviews have been used to gather information on anti-oxidant, immunomodulatory, anti-cancer, anti-parasitic, and anti-microbialproperties of diosmin. Effects of diosmin in combination with other flavonoids have been reviewed thoroughly and its administrative routes are also summarized. Additionally, we studied the effect of diosmin on critical protein networks. It exhibits therapeutic effects in diabetes and its associated complications such as neuropathy and dyslipidemia. Combination of diosmin with hesperidin is found to be very effective in the treatment of chronic venous insufficiency and haemorrhoids. Diosmin is an exquisite therapeutic agent alone as well as in combination with other flavonoids.
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Affiliation(s)
- Saad Mustafa
- Human Genetics Laboratory, Department of Biosciences, JamiaMilliaIslamia, New Delhi, 110025, India
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
- DDU Kaushal Kendra, JamiaMilliaIslamia, New Delhi, 110025, India
| | - Mahmood Akbar
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002, India
| | - Mohammad Aasif Khan
- Human Genetics Laboratory, Department of Biosciences, JamiaMilliaIslamia, New Delhi, 110025, India
| | - Kumari Sunita
- Human Genetics Laboratory, Department of Biosciences, JamiaMilliaIslamia, New Delhi, 110025, India
| | - Shabana Parveen
- Human Genetics Laboratory, Department of Biosciences, JamiaMilliaIslamia, New Delhi, 110025, India
| | - Jogendra Singh Pawar
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
- Department of Medicinal Chemistry and Molecular Pharmacology, Hansen Life Sciences Research Building, Purdue University, 201 S. University Street, 405, West Lafayette, Indiana, USA
| | - Sheersh Massey
- Human Genetics Laboratory, Department of Biosciences, JamiaMilliaIslamia, New Delhi, 110025, India
| | - Nupur Rani Agarwal
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Syed Akhtar Husain
- Human Genetics Laboratory, Department of Biosciences, JamiaMilliaIslamia, New Delhi, 110025, India
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9
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Mou W, Ma L, Zhu A, Cui H, Huang Y. Astrocyte-microglia interaction through C3/C3aR pathway modulates neuropathic pain in rats model of chronic constriction injury. Mol Pain 2022; 18:17448069221140532. [PMID: 36341694 PMCID: PMC9669679 DOI: 10.1177/17448069221140532] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 09/24/2022] [Accepted: 11/03/2022] [Indexed: 12/30/2023] Open
Abstract
Neuropathic pain (NP) is the cardinal symptom of neural injury, and its underlying molecular mechanism needs further investigation. Complements, especially complement 3 (C3), are involved in the pathophysiology of many neurological disorders, while the specific role of C3 in NP is still obscure. In this study, we found that both C3 and its receptor C3aR were upregulated in the spinal dorsal horn in a rat chronic constriction injury (CCI) model. In addition, C3 was mainly detected in astrocytes, while C3aR was expressed in microglia and neuron. Intrathecal injection of C3 antibody and C3aR antagonist alleviated NP in CCI model together with reduced M1 polarization of microglia. Our finding suggested that blockade of the C3/C3aR pathway might be a novel strategy for NP.
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Affiliation(s)
- Wanying Mou
- Department of Anesthesiology,
Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College
Hospital, Beijing, China
| | - Lulu Ma
- Department of Anesthesiology,
Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College
Hospital, Beijing, China
| | - Afang Zhu
- Department of Anesthesiology,
Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College
Hospital, Beijing, China
| | - Huan Cui
- Department of Human Anatomy,
Histology and Embryology, Neuroscience Center, Institute of Basic Medical
Sciences, School of Basic Medicine, Chinese Academy of Medical Sciences, Peking Union Medical
College, Beijing, China
| | - Yuguang Huang
- Department of Anesthesiology,
Peking Union Medical College, Chinese Academy of Medical Sciences, Peking Union Medical College
Hospital, Beijing, China
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10
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Tilley DM, Cedeño DL, Vetri F, Platt DC, Vallejo R. Differential target multiplexed spinal cord stimulation programming modulates proteins involved in ion regulation in an animal model of neuropathic pain. Mol Pain 2022; 18:17448069211060181. [PMID: 35048719 PMCID: PMC8785327 DOI: 10.1177/17448069211060181] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The effect of spinal cord stimulation (SCS) using differential target multiplexed programming (DTMP) on proteins involved in the regulation of ion transport in spinal cord (SC) tissue of an animal model of neuropathic pain was evaluated in comparison to low rate (LR) SCS. Rats subjected to the spared nerve injury model (SNI) and implanted with a SCS lead were assigned to DTMP or LR and stimulated for 48 h. A No-SCS group received no stimulation, and a Sham group received no SNI or stimulation. Proteins in the dorsal ipsilateral quadrant of the stimulated SC were identified and quantified using mass spectrometry. Proteins significantly modulated by DTMP or LR relative to No-SCS were identified. Bioinformatic tools were used to identify proteins related to ion transport regulation. DTMP modulated a larger number of proteins than LR. More than 40 proteins significantly involved in the regulation of chloride (Cl-), potassium (K+), sodium (Na+), or calcium (Ca2+) ions were identified. SNI affected proteins that promote the increase of intracellular Ca2+, Na+, and K+ and decrease of intracellular Cl-. DTMP modulated proteins involved in glial response to neural injury that affect Ca2+ signaling. DTMP decreased levels of proteins related to Ca2+ transport that may result in the reduction of intracellular Ca2+. Presynaptic proteins involved in GABA vesicle formation and release were upregulated by DTMP. DTMP also upregulated postsynaptic proteins involved with elevated intracellular Cl-, while modulating proteins, expressed by astrocytes, that regulate postsynaptic Cl- inhibition. DTMP downregulated K+ regulatory proteins affected by SNI that affect neuronal depolarization, and upregulated proteins that are associated with a decrease of intracellular neuronal K+ and astrocyte uptake of extracellular K+. DTMP treatment modulated the expression of proteins with the potential to facilitate a reversal of dysregulation of ion transport and signaling associated with a model of neuropathic pain.
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Affiliation(s)
| | - David L Cedeño
- SGX Medical LLC, Bloomington, IL, USA.,Department of Psychology, 1770Illinois Wesleyan University, Bloomington, IL, USA
| | | | - David C Platt
- SGX Medical LLC, Bloomington, IL, USA.,Department of Psychology, 1770Illinois Wesleyan University, Bloomington, IL, USA
| | - Ricardo Vallejo
- SGX Medical LLC, Bloomington, IL, USA.,Department of Psychology, 1770Illinois Wesleyan University, Bloomington, IL, USA.,National Spine and Pain Centers, Bloomington, IL, USA
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11
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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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12
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Jha RM, Rani A, Desai SM, Raikwar S, Mihaljevic S, Munoz-Casabella A, Kochanek PM, Catapano J, Winkler E, Citerio G, Hemphill JC, Kimberly WT, Narayan R, Sahuquillo J, Sheth KN, Simard JM. Sulfonylurea Receptor 1 in Central Nervous System Injury: An Updated Review. Int J Mol Sci 2021; 22:ijms222111899. [PMID: 34769328 PMCID: PMC8584331 DOI: 10.3390/ijms222111899] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/25/2021] [Accepted: 10/26/2021] [Indexed: 12/17/2022] Open
Abstract
Sulfonylurea receptor 1 (SUR1) is a member of the adenosine triphosphate (ATP)-binding cassette (ABC) protein superfamily, encoded by Abcc8, and is recognized as a key mediator of central nervous system (CNS) cellular swelling via the transient receptor potential melastatin 4 (TRPM4) channel. Discovered approximately 20 years ago, this channel is normally absent in the CNS but is transcriptionally upregulated after CNS injury. A comprehensive review on the pathophysiology and role of SUR1 in the CNS was published in 2012. Since then, the breadth and depth of understanding of the involvement of this channel in secondary injury has undergone exponential growth: SUR1-TRPM4 inhibition has been shown to decrease cerebral edema and hemorrhage progression in multiple preclinical models as well as in early clinical studies across a range of CNS diseases including ischemic stroke, traumatic brain injury, cardiac arrest, subarachnoid hemorrhage, spinal cord injury, intracerebral hemorrhage, multiple sclerosis, encephalitis, neuromalignancies, pain, liver failure, status epilepticus, retinopathies and HIV-associated neurocognitive disorder. Given these substantial developments, combined with the timeliness of ongoing clinical trials of SUR1 inhibition, now, another decade later, we review advances pertaining to SUR1-TRPM4 pathobiology in this spectrum of CNS disease—providing an overview of the journey from patch-clamp experiments to phase III trials.
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Affiliation(s)
- Ruchira M. Jha
- Department of Neurology, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (R.M.J.); (S.M.D.)
- Department of Translational Neuroscience, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (A.R.); (S.R.); (S.M.); (A.M.-C.)
- Department of Neurosurgery, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (J.C.); (E.W.)
| | - Anupama Rani
- Department of Translational Neuroscience, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (A.R.); (S.R.); (S.M.); (A.M.-C.)
| | - Shashvat M. Desai
- Department of Neurology, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (R.M.J.); (S.M.D.)
| | - Sudhanshu Raikwar
- Department of Translational Neuroscience, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (A.R.); (S.R.); (S.M.); (A.M.-C.)
| | - Sandra Mihaljevic
- Department of Translational Neuroscience, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (A.R.); (S.R.); (S.M.); (A.M.-C.)
| | - Amanda Munoz-Casabella
- Department of Translational Neuroscience, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (A.R.); (S.R.); (S.M.); (A.M.-C.)
| | - Patrick M. Kochanek
- Clinical and Translational Science Institute, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA;
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
- Department of Pediatrics, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
- Safar Center for Resuscitation Research, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Joshua Catapano
- Department of Neurosurgery, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (J.C.); (E.W.)
| | - Ethan Winkler
- Department of Neurosurgery, Barrow Neurological Institute and St. Joseph’s Hospital and Medical Center, Phoenix, AZ 85013, USA; (J.C.); (E.W.)
| | - Giuseppe Citerio
- School of Medicine and Surgery, University of Milan-Bicocca, 20126 Milan, Italy;
- Neurointensive Care Unit, Department of Neuroscience, San Gerardo Hospital, ASST—Monza, 20900 Monza, Italy
| | - J. Claude Hemphill
- Department of Neurology, University of California, San Francisco, CA 94143, USA;
| | - W. Taylor Kimberly
- Division of Neurocritical Care and Center for Genomic Medicine, Department of Neurology, Massachusetts General Hospital, Boston, MA 02114, USA;
| | - Raj Narayan
- Department of Neurosurgery, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, North Shore University Hospital, Manhasset, NY 11549, USA;
| | - Juan Sahuquillo
- Neurotrauma and Neurosurgery Research Unit (UNINN), Vall d’Hebron Research Institute (VHIR), 08035 Barcelona, Spain;
- Neurotraumatology and Neurosurgery Research Unit, Universitat Autònoma de Barcelona (UAB), 08193 Barcelona, Spain
- Department of Neurosurgery, Vall d’Hebron University Hospital, 08035 Barcelona, Spain
| | - Kevin N. Sheth
- Division of Neurocritical Care and Emergency Neurology, Department of Neurology, School of Medicine, Yale University, New Haven, CT 06510, USA;
| | - J. Marc Simard
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Department of Pathology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Department of Physiology, University of Maryland School of Medicine, Baltimore, MD 21201, USA
- Correspondence:
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13
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Pharmacology of Diosmin, a Citrus Flavone Glycoside: An Updated Review. Eur J Drug Metab Pharmacokinet 2021; 47:1-18. [PMID: 34687440 DOI: 10.1007/s13318-021-00731-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/10/2021] [Indexed: 12/16/2022]
Abstract
Flavonoids are phytochemicals that are well known for their beneficial pharmacological properties. Diosmin is a flavone glycoside derived from hesperidin, a flavanone abundantly found in citrus fruits. Daflon is an oral phlebotonic flavonoid combination containing diosmin and hesperidin (9:1) that is commonly used for the management of blood vessel disorders. After oral administration, diosmin is converted to diosmetin, which is subsequently absorbed and esterified into glucuronide conjugates that are excreted in the urine. Pharmacological effects of diosmin have been investigated in several in vitro and in vivo studies, and it was found to possess anti-inflammatory, antioxidant, antidiabetic, antihyperlipidemic, and antifibrotic effects in different disease models. Diosmin also demonstrated multiple desirable properties in several clinical studies. Moreover, toxicological studies showed that diosmin has a favorable safety profile. Accordingly, diosmin is a potential effective and safe treatment for many diseases. However, diosmin exhibits inhibitory effects on different metabolic enzymes. This encourages the investigation of its potential therapeutic effect and safety in different diseases in clinical trials, while taking potential interactions into consideration.
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14
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Li HN, Yang QQ, Wang WT, Tian X, Feng F, Zhang ST, Xia YT, Wang JX, Zou YW, Wang JY, Zeng XY. Red nucleus IL-33 facilitates the early development of mononeuropathic pain in male rats by inducing TNF-α through activating ERK, p38 MAPK, and JAK2/STAT3. J Neuroinflammation 2021; 18:150. [PMID: 34225736 PMCID: PMC8258957 DOI: 10.1186/s12974-021-02198-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/17/2021] [Indexed: 01/12/2023] Open
Abstract
Background Our recent studies have identified that the red nucleus (RN) dual-directionally modulates the development and maintenance of mononeuropathic pain through secreting proinflammatory and anti-inflammatory cytokines. Here, we further explored the action of red nucleus IL-33 in the early development of mononeuropathic pain. Methods In this study, male rats with spared nerve injury (SNI) were used as mononeuropathic pain model. Immunohistochemistry, Western blotting, and behavioral testing were used to assess the expressions, cellular distributions, and actions of red nucleus IL-33 and its related downstream signaling molecules. Results IL-33 and its receptor ST2 were constitutively expressed in the RN in naive rats. After SNI, both IL-33 and ST2 were upregulated significantly at 3 days and peaked at 1 week post-injury, especially in RN neurons, oligodendrocytes, and microglia. Blockade of red nucleus IL-33 with anti-IL-33 neutralizing antibody attenuated SNI-induced mononeuropathic pain, while intrarubral administration of exogenous IL-33 evoked mechanical hypersensitivity in naive rats. Red nucleus IL-33 generated an algesic effect in the early development of SNI-induced mononeuropathic pain through activating NF-κB, ERK, p38 MAPK, and JAK2/STAT3, suppression of NF-κB, ERK, p38 MAPK, and JAK2/STAT3 with corresponding inhibitors markedly attenuated SNI-induced mononeuropathic pain or IL-33-evoked mechanical hypersensitivity in naive rats. Red nucleus IL-33 contributed to SNI-induced mononeuropathic pain by stimulating TNF-α expression, which could be abolished by administration of inhibitors against ERK, p38 MAPK, and JAK2/STAT3, but not NF-κB. Conclusions These results suggest that red nucleus IL-33 facilitates the early development of mononeuropathic pain through activating NF-κB, ERK, p38 MAPK, and JAK2/STAT3. IL-33 mediates algesic effect partly by inducing TNF-α through activating ERK, p38 MAPK and JAK2/STAT3. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02198-9.
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Affiliation(s)
- Hao-Nan Li
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.,Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Qing-Qing Yang
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Wen-Tao Wang
- Biological Science BSc, Department of Biological Sciences, Xi'an Jiaotong-Liverpool University, Suzhou, 215123, Jiangsu, China.,Biochemistry BSc, Faculty of Health and Life Sciences, University of Liverpool, Liverpool, L69 3BX, UK
| | - Xue Tian
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Fan Feng
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Shu-Ting Zhang
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Yu-Tong Xia
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Jia-Xue Wang
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Yuan-Wu Zou
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China.,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China
| | - Jun-Yang Wang
- Department of Pathogenic Biology and Immunology, Xi'an Jiaotong University Health Science Center, Xi'an, 710061, Shaanxi, China. .,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China.
| | - Xiao-Yan Zeng
- Department of Laboratory Medicine, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China. .,Key Laboratory of Environment and Genes Related to Diseases (Xi'an Jiaotong University), Ministry of Education of China, Xi'an, China.
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15
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Peruru R, Dodoala S. Therapeutic potential of diosmin, a citrus flavonoid against arsenic-induced neurotoxicity via suppression of NOX 4 and its subunits. Indian J Pharmacol 2021; 53:132-142. [PMID: 34100397 PMCID: PMC8265410 DOI: 10.4103/ijp.ijp_837_19] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
OBJECTIVES: Water contaminated with arsenic affected millions of people worldwide and arsenic exposure is related to various neurological disorders. Hence, the current study was planned to investigate the neuroprotective activity of diosmin (DSN) against arsenic induced neurotoxicity as an attempt to identify therapeutic intervention to combat arsenicism. MATERIALS AND METHODS: Sodium arsenite an inducer of neurotoxicity was administered orally (13 mg/kg) and DSN treatment at two selected doses (50 and 100 mg/kg) was done for 21 days. Behavioral and biochemical variations were examined by various parameters. Furthermore, histopathological and immunohistochemistry studies were done with the brain sections. RESULTS: The behavioral studies evidenced that arsenic has suppressed the exploratory behavior and motor coordination in rats and DSN treatment has recovered the behavioral changes to normal. Arsenic administration has also found to induce oxidative stress and DSN co-treatment has ameliorated the oxidative stress markers. Interestingly, depleted levels of neurotransmitters were observed with the arsenic and it was restored back by the DSN treatment. Histopathological alterations like pyknosis of the neuronal cells were identified with arsenic exposure and subsided upon DSN co administration. Immunohistochemical studies have revealed the expression of NOX4 and its gp91phox and P47phox subunits and its suppression by DSN treatment may be the key therapeutic factor of it. CONCLUSIONS: Treatment with DSN showed a beneficial effect in protecting against arsenic-induced neurotoxicity by suppressing the toxicity changes and the antioxidant effect of DSN might be attributed to its ability of suppressing NOX4 and its subunits.
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Affiliation(s)
- Rupasree Peruru
- Department of Pharmacology, Institute of Pharmaceutical Technology, Sri Padmavati Mahila Visvavidyalayam (Women's University), Tirupati, Andhra Pradesh, India
| | - Sujatha Dodoala
- Department of Pharmacology, Institute of Pharmaceutical Technology, Sri Padmavati Mahila Visvavidyalayam (Women's University), Tirupati, Andhra Pradesh, India
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16
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Tsymbalyuk O, Gerzanich V, Mumtaz A, Andhavarapu S, Ivanova S, Makar TK, Sansur CA, Keller A, Nakamura Y, Bryan J, Simard JM. SUR1, newly expressed in astrocytes, mediates neuropathic pain in a mouse model of peripheral nerve injury. Mol Pain 2021; 17:17448069211006603. [PMID: 33788643 PMCID: PMC8020112 DOI: 10.1177/17448069211006603] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/02/2021] [Accepted: 03/08/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Neuropathic pain following peripheral nerve injury (PNI) is linked to neuroinflammation in the spinal cord marked by astrocyte activation and upregulation of interleukin 6 (IL-6), chemokine (C-C motif) ligand 2 (CCL2) and chemokine (C-X-C motif) ligand 1 (CXCL1), with inhibition of each individually being beneficial in pain models. METHODS Wild type (WT) mice and mice with global or pGfap-cre- or pGFAP-cre/ERT2-driven Abcc8/SUR1 deletion or global Trpm4 deletion underwent unilateral sciatic nerve cuffing. WT mice received prophylactic (starting on post-operative day [pod]-0) or therapeutic (starting on pod-21) administration of the SUR1 antagonist, glibenclamide (10 µg IP) daily. We measured mechanical and thermal sensitivity using von Frey filaments and an automated Hargreaves method. Spinal cord tissues were evaluated for SUR1-TRPM4, IL-6, CCL2 and CXCL1. RESULTS Sciatic nerve cuffing in WT mice resulted in pain behaviors (mechanical allodynia, thermal hyperalgesia) and newly upregulated SUR1-TRPM4 in dorsal horn astrocytes. Global and pGfap-cre-driven Abcc8 deletion and global Trpm4 deletion prevented development of pain behaviors. In mice with Abcc8 deletion regulated by pGFAP-cre/ERT2, after pain behaviors were established, delayed silencing of Abcc8 by tamoxifen resulted in gradual improvement over the next 14 days. After PNI, leakage of the blood-spinal barrier allowed entry of glibenclamide into the affected dorsal horn. Daily repeated administration of glibenclamide, both prophylactically and after allodynia was established, prevented or reduced allodynia. The salutary effects of glibenclamide on pain behaviors correlated with reduced expression of IL-6, CCL2 and CXCL1 by dorsal horn astrocytes. CONCLUSION SUR1-TRPM4 may represent a novel non-addicting target for neuropathic pain.
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Affiliation(s)
- Orest Tsymbalyuk
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD, USA
| | - Volodymyr Gerzanich
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD, USA
| | - Aaida Mumtaz
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD, USA
| | - Sanketh Andhavarapu
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD, USA
| | - Svetlana Ivanova
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD, USA
| | - Tapas K Makar
- Research Service, Veterans Affairs Maryland Health Care System,
Baltimore, MD, USA
| | - Charles A Sansur
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD, USA
| | - Asaf Keller
- Department of Anatomy & Neurobiology, University of Maryland
School of Medicine, Baltimore, MD, USA
| | - Yumiko Nakamura
- Pacific Northwest Diabetes Research Institute, Seattle, WA,
USA
| | - Joseph Bryan
- Pacific Northwest Diabetes Research Institute, Seattle, WA,
USA
| | - J Marc Simard
- Department of Neurosurgery, University of Maryland School of
Medicine, Baltimore, MD, USA
- Research Service, Veterans Affairs Maryland Health Care System,
Baltimore, MD, USA
- Department of Pathology, University of Maryland School of
Medicine, Baltimore, MD, USA
- Department of Physiology, University of Maryland School of
Medicine, Baltimore, MD, USA
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17
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Preoperative Chronic and Acute Pain Affects Postoperative Cognitive Function Mediated by Neurotransmitters. J Mol Neurosci 2020; 71:515-526. [PMID: 32901371 DOI: 10.1007/s12031-020-01673-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 07/20/2020] [Indexed: 02/08/2023]
Abstract
The effective prevention of postoperative cognitive dysfunction (POCD) needs to be explored, and the effect of preoperative pain on POCD remains unclear. We established a chronic pain model induced by chronic constriction injury (CCI) and models of acute pain and anxiety without pain in mice that were subsequently subjected to partial hepatectomy surgery. Morris water maze (MWM) tests were performed to evaluate the learning and memory abilities of the mice. ELISA was used to measure IL-1β, IL-6, and TNF-α in serum, and HPLC-MS was used to detect neurotransmitters in the prefrontal cortices and hippocampi of the mice. The results indicated that chronic pain induced by CCI might have significantly impaired the learning and memory abilities of mice, while acute pain and anxiety without pain only affected the memory abilities of mice. Perioperative acute pain increased the level of IL-1β in serum, and CCI might have increased the level of IL-6. CCI and acute pain increased dopamine (DA) levels in the cortex, similar to anxiety. Like anxiety, CCI increased 5-hydroxytryptamine (5-HT) levels in the prefrontal cortex and hippocampus. Acute pain led to a decrease in the acetylcholine (ACH) level in the hippocampus. Our results suggest that acute pain and CCI-induced chronic pain might aggravate postoperative cognitive dysfunction via neurotransmitters and by changing the levels of inflammatory factors such as IL-1β and IL-6.
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18
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Boniface PK, Elizabeth FI. Flavones as a Privileged Scaffold in Drug Discovery: Current Developments. Curr Org Synth 2020; 16:968-1001. [PMID: 31984880 DOI: 10.2174/1570179416666190719125730] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/03/2019] [Accepted: 04/27/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Flavones are one of the main subclasses of flavonoids with diverse pharmacological properties. They have been reported to possess antimalarial, antimicrobial, anti-tuberculosis, anti-allergic, antioxidant, anti-inflammatory activities, among others. OBJECTIVE The present review summarizes the recent information on the pharmacological properties of naturally occurring and synthetic flavones. METHODS Scientific publications referring to natural and synthetic flavones in relation to their biological activities were hand-searched in databases such as SciFinder, PubMed (National Library of Medicine), Science Direct, Wiley, ACS, SciELO, Springer, among others. RESULTS As per the literature, seventy-five natural flavones were predicted as active compounds with reference to their IC50 (<20 µg/mL) in in vitro studies. Also, synthetic flavones were found active against several diseases. CONCLUSION As per the literature, flavones are important sources for the potential treatment of multifactorial diseases. However, efforts toward the development of flavone-based therapeutic agents are still needed. The appearance of new catalysts and chemical transformations is expected to provide avenues for the synthesis of unexplored flavones, leading to the discovery of flavones with new properties and biological activities.
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Affiliation(s)
- Pone K Boniface
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Ferreira I Elizabeth
- Department of Pharmacy, Faculty of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
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19
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Uddin MS, Mamun AA, Rahman MA, Kabir MT, Alkahtani S, Alanazi IS, Perveen A, Ashraf GM, Bin-Jumah MN, Abdel-Daim MM. Exploring the Promise of Flavonoids to Combat Neuropathic Pain: From Molecular Mechanisms to Therapeutic Implications. Front Neurosci 2020; 14:478. [PMID: 32587501 PMCID: PMC7299068 DOI: 10.3389/fnins.2020.00478] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Accepted: 04/17/2020] [Indexed: 01/10/2023] Open
Abstract
Neuropathic pain (NP) is the result of irregular processing in the central or peripheral nervous system, which is generally caused by neuronal injury. The management of NP represents a great challenge owing to its heterogeneous profile and the significant undesirable side effects of the frequently prescribed psychoactive agents, including benzodiazepines (BDZ). Currently, several established drugs including antidepressants, anticonvulsants, topical lidocaine, and opioids are used to treat NP, but they exert a wide range of adverse effects. To reduce the burden of adverse effects, we need to investigate alternative therapeutics for the management of NP. Flavonoids are the most common secondary metabolites of plants used in folkloric medicine as tranquilizers, and have been claimed to have a selective affinity to the BDZ binding site. Several studies in animal models have reported that flavonoids can reduce NP. In this paper, we emphasize the potentiality of flavonoids for the management of NP.
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Affiliation(s)
- Md Sahab Uddin
- Department of Pharmacy, Southeast University, Dhaka, Bangladesh.,Pharmakon Neuroscience Research Network, Dhaka, Bangladesh
| | - Abdullah Al Mamun
- Department of Pharmacy, Southeast University, Dhaka, Bangladesh.,Pharmakon Neuroscience Research Network, Dhaka, Bangladesh
| | - Md Ataur Rahman
- Center for Neuroscience, Brain Science Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | | | - Saad Alkahtani
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Ibtesam S Alanazi
- Department of Biology, Faculty of Sciences, Univesity of Hafr Al Batin, Hafr Al Batin, Saudi Arabia
| | - Asma Perveen
- Glocal School of Life Sciences, Glocal University, Saharanpur, India
| | - Ghulam Md Ashraf
- King Fahd Medical Research Center, King Abdulaziz University, Jeddah, Saudi Arabia.,Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - May N Bin-Jumah
- Department of Biology, College of Science, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia.,Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
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20
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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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21
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Fattori V, Rasquel-Oliveira FS, Artero NA, Ferraz CR, Borghi SM, Casagrande R, Verri WA. Diosmin Treats Lipopolysaccharide-Induced Inflammatory Pain and Peritonitis by Blocking NF-κB Activation in Mice. JOURNAL OF NATURAL PRODUCTS 2020; 83:1018-1026. [PMID: 32083866 DOI: 10.1021/acs.jnatprod.9b00887] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Gram-negative bacterial infections induce inflammation and pain. Lipopolysaccharide (LPS) is a pathogen-associated molecular pattern and the major constituent of Gram-negative bacterial cell walls. Diosmin is a citrus flavonoid with antioxidant and anti-inflammatory activities. Here we investigated the efficacy of diosmin in a nonsterile model of inflammatory pain and peritonitis induced by LPS. Diosmin reduced in a dose-dependent manner LPS-induced inflammatory mechanical hyperalgesia, thermal hyperalgesia, and neutrophil recruitment to the paw (myeloperoxidase activity). Diosmin also normalized changes in paw weight distribution assessed by static weight bearing as a nonreflexive method of pain measurement. Moreover, treatment with diosmin inhibited LPS-induced peritonitis as observed by a reduction of leukocyte recruitment and oxidative stress. Diosmin reduced LPS-induced total ROS production (DCFDA assay) and superoxide anion production (NBT assay and NBT-positive cells). We also observed a reduction of LPS-induced oxidative stress and cytokine production (IL-1β, TNF-α, and IL-6) in the paw. Furthermore, we demonstrated that diosmin inhibited LPS-induced NF-κB activation in peritoneal exudate. Thus, we demonstrated, using a model of nonsterile inflammation induced by LPS, that diosmin is a promising molecule for the treatment of inflammation and pain.
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Affiliation(s)
- Victor Fattori
- Departament of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, Paraná, Brazil
| | - Fernanda S Rasquel-Oliveira
- Departament of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, Paraná, Brazil
| | - Nayara A Artero
- Departament of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, Paraná, Brazil
| | - Camila R Ferraz
- Departament of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, Paraná, Brazil
| | - Sergio M Borghi
- Departament of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, Paraná, Brazil
- Center for Research in Health Sciences, University of Northern Paraná, Londrina 86057-970, Paraná, Brazil
| | - Rubia Casagrande
- Departament of Pharmaceutical Sciences, Center of Health Sciences, Londrina State University, Londrina 86057-970, Paraná, Brazil
| | - Waldiceu A Verri
- Departament of Pathology, Center of Biological Sciences, Londrina State University, Londrina 86057-970, Paraná, Brazil
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22
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Basu P, Basu A. In Vitro and In Vivo Effects of Flavonoids on Peripheral Neuropathic Pain. Molecules 2020; 25:molecules25051171. [PMID: 32150953 PMCID: PMC7179245 DOI: 10.3390/molecules25051171] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 03/02/2020] [Indexed: 01/04/2023] Open
Abstract
Neuropathic pain is a common symptom and is associated with an impaired quality of life. It is caused by the lesion or disease of the somatosensory system. Neuropathic pain syndromes can be subdivided into two categories: central and peripheral neuropathic pain. The present review highlights the peripheral neuropathic models, including spared nerve injury, spinal nerve ligation, partial sciatic nerve injury, diabetes-induced neuropathy, chemotherapy-induced neuropathy, chronic constriction injury, and related conditions. The drugs which are currently used to attenuate peripheral neuropathy, such as antidepressants, anticonvulsants, baclofen, and clonidine, are associated with adverse side effects. These negative side effects necessitate the investigation of alternative therapeutics for treating neuropathic pain conditions. Flavonoids have been reported to alleviate neuropathic pain in murine models. The present review elucidates that several flavonoids attenuate different peripheral neuropathic pain conditions at behavioral, electrophysiological, biochemical and molecular biological levels in different murine models. Therefore, the flavonoids hold future promise and can be effectively used in treating or mitigating peripheral neuropathic conditions. Thus, future studies should focus on the structure-activity relationships among different categories of flavonoids and develop therapeutic products that enhance their antineuropathic effects.
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Affiliation(s)
- Paramita Basu
- Department of Anesthesiology, Pittsburgh Center for Pain Research, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA;
| | - Arpita Basu
- Department of Kinesiology and Nutrition Sciences, School of Integrated Health Sciences, University of Nevada, Las Vegas, NV 89154, USA
- Correspondence: ; Tel.: +702-895-4576; Fax: +702-895-1500
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23
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Ma X, Wang H, Song T, Wang W, Zhang Z. lncRNA MALAT1 contributes to neuropathic pain development through regulating miR-129-5p/HMGB1 axis in a rat model of chronic constriction injury. Int J Neurosci 2020; 130:1215-1224. [PMID: 32065547 DOI: 10.1080/00207454.2020.1731508] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Backgrounds: Mounting studies pay attention to the functional roles of long non-coding RNAs (lncRNAs) in many human diseases including neuropathic pain. LncRNA MALAT1 has been indicated to serve as a critical mediator in neuropathic pain with unclear mechanisms. The present study aims to explore the functional roles of MALAT1 in neuropathic pain progression and the related mechanisms.Methods: Bilateral sciatic nerves were ligated to induce chronic constriction injury (CCI) in order to establish the neuropathic pain rat model followed by behavioral tests, RT-qPCR, Western blotting, and ELISA. Dual luciferase activity assay was performed to determine the binding effect between MALAT1 or HMGB1 and miR-129-5p.Results: The mRNA levels of MALAT1 were significantly enhanced in CCI rats. MALAT1 inhibition repressed the development of neuropathic pain and neuroinflammation. Additionally, miR-129-5p was decreased and HMGB1 was increased, both of which could be rectified by MALAT1 inhibition. Meanwhile, MALAT1 targeted miR-129-5p/HMGB1 axis. Finally, miR-129-5p suppression attenuated the inhibitory effect of MALAT1 inhibition on neuropathic pain and neuroinflammation development in CCI rats.Conclusion: The present study demonstrates that MALAT1 might modulate neuropathic pain via targeting miR-129-5p/HMGB1 axis. These findings may lead to a promising and efficacious clinical approach for the treatment of neuropathic pain.
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Affiliation(s)
- Xiaojing Ma
- Department of Anesthesiology, The First Hospital of Shijiazhuang, Shijiazhuang, China
| | - Hong Wang
- Department of Anesthesiology, The First Hospital of Shijiazhuang, Shijiazhuang, China
| | - Tieying Song
- Department of Anesthesiology, The First Hospital of Shijiazhuang, Shijiazhuang, China
| | - Wenli Wang
- Department of Gynaecology, Maternal and Child Health Care Hospital of Shijiazhuang, Shijiazhuang, China
| | - Zaiwang Zhang
- Department of Anesthesiology, The Bethune International Peace Hospital of P.L.A, Shijiazhuang, China
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24
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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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25
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Oliveira MA, Heimfarth L, Passos FRS, Miguel-Dos-Santos R, Mingori MR, Moreira JCF, Lauton SS, Barreto RSS, Araújo AAS, Oliveira AP, Oliveira JT, Baptista AF, Martinez AMB, Quintans-Júnior LJ, Quintans JSS. Naringenin complexed with hydroxypropyl-β-cyclodextrin improves the sciatic nerve regeneration through inhibition of p75 NTR and JNK pathway. Life Sci 2020; 241:117102. [PMID: 31790691 DOI: 10.1016/j.lfs.2019.117102] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 11/19/2019] [Accepted: 11/22/2019] [Indexed: 11/17/2022]
Abstract
Peripheral nerve injuries are common conditions that often lead to dysfunctions. Although much knowledge exists on the several factors that mediate the complex biological process involved in peripheral nerve regeneration, there is a lack of effective treatments that ensure full functional recovery. Naringenin (NA) is the most abundant flavanone found in citrus fruits and it has promising neuroprotective, anti-inflammatory and antioxidant effects. This study aimed to enhance peripheral nerve regeneration using an inclusion complex containing NA and hydroxypropyl-β-cyclodextrin (HPβCD), named NA/HPβCD. A mouse sciatic nerve crush model was used to evaluate the effects of NA/HPβCD on nerve regeneration. Sensory and motor parameters, hyperalgesic behavior and the sciatic functional index (SFI), respectively, improved with NA treatment. Western blot analysis revealed that the levels of p75NTR ICD and p75NTR full length as well phospho-JNK/total JNK ratios were preserved by NA treatment. In addition, NA treatment was able to decrease levels of caspase 3. The concentrations of TNF-α and IL-1β were decreased in the lumbar spine, on the other hand there was an increase in IL-10. NA/HPβCD presented a better overall morphological profile but it was not able to increase the number of myelinated fibers. Thus, NA was able to enhance nerve regeneration, and NA/HPβCD decreased effective drug doses while maintaining the effect of the pure drug, demonstrating the advantage of using the complex over the pure compound.
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Affiliation(s)
- Marlange A Oliveira
- Multiuser Health Center Facility (CMulti-Saúde), Federal University of Sergipe; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil
| | - Luana Heimfarth
- Multiuser Health Center Facility (CMulti-Saúde), Federal University of Sergipe; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil
| | - Fabiolla Rocha Santos Passos
- Multiuser Health Center Facility (CMulti-Saúde), Federal University of Sergipe; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil
| | - Rodrigo Miguel-Dos-Santos
- Multiuser Health Center Facility (CMulti-Saúde), Federal University of Sergipe; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil
| | - Moara R Mingori
- Department of Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - José Cláudio F Moreira
- Department of Biochemistry, Federal University of Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Sandra S Lauton
- Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil
| | - Rosana S S Barreto
- Multiuser Health Center Facility (CMulti-Saúde), Federal University of Sergipe; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil
| | - Adriano A S Araújo
- Department of Pharmacy, Federal University of Sergipe, São Cristóvão, SE, 49100-000, Brazil
| | - Aldeidia P Oliveira
- Medicinal Plants Research Center, Federal University of Piauí, Teresina, PI 64.049-550, Brazil
| | - Júlia T Oliveira
- Department of Pathology, Medical School - HUCFF - Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | | | - Ana Maria B Martinez
- Department of Pathology, Medical School - HUCFF - Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Lucindo J Quintans-Júnior
- Multiuser Health Center Facility (CMulti-Saúde), Federal University of Sergipe; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil.
| | - Jullyana S S Quintans
- Multiuser Health Center Facility (CMulti-Saúde), Federal University of Sergipe; Department of Physiology, Federal University of Sergipe, São Cristóvão, SE, 49100-000 lBrazil.
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26
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Zheng Y, Zhang R, Shi W, Li L, Liu H, Chen Z, Wu L. Metabolism and pharmacological activities of the natural health-benefiting compound diosmin. Food Funct 2020; 11:8472-8492. [DOI: 10.1039/d0fo01598a] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Diosmin is a famous natural flavonoid for treating chronic venous insufficiency and varicose veins.
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Affiliation(s)
- Yizhou Zheng
- College of Pharmacy
- Gannan Medical University
- Ganzhou
- China
| | - Rui Zhang
- College of Pharmacy
- Gannan Medical University
- Ganzhou
- China
| | - Weimei Shi
- College of Pharmacy
- Gannan Medical University
- Ganzhou
- China
| | - Linfu Li
- College of Pharmacy
- Gannan Medical University
- Ganzhou
- China
| | - Hai Liu
- College of Pharmacy
- Gannan Medical University
- Ganzhou
- China
| | - Zhixi Chen
- College of Pharmacy
- Gannan Medical University
- Ganzhou
- China
| | - Longhuo Wu
- College of Pharmacy
- Gannan Medical University
- Ganzhou
- China
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27
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Bozdağ M, Eraslan G. The effect of diosmin against lead exposure in rats ‡. Naunyn Schmiedebergs Arch Pharmacol 2019; 393:639-649. [PMID: 31792554 DOI: 10.1007/s00210-019-01758-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Accepted: 10/30/2019] [Indexed: 12/18/2022]
Abstract
In this study, the effect of diosmin against the adverse effects of lead exposure in rats was investigated. Wistar Albino race 40 male rats weighing 150-200 g 2-3 months were used. A total of 4 groups were assigned, one of which was control and the other 3 were trial groups. The rats in the control group were treated with dimethyl sulfoxide, which was used only as a vehicle in diosmin administration. Groups 2, 3, and 4 from the experimental group were given diosmin at a dose of 50 mg/kg.bw, lead acetate at the dose of 1000 ppm, lead acetate at the dose of 1000 ppm, and diosmin at a dose of 50 mg/kg.bw for 6 weeks, respectively. Application of lead acetate with drinking water and also diosmin was performed by oral catheter. At the end of the experimental period, blood was taken to dry and with heparin by puncture to the heart under light ether anesthesia. Following the blood samples, some organs of the rats (the liver, kidney, brain, heart, and testis) were removed. Some biochemical parameters (glucose, triglyceride, cholesterol, BUN, creatinine, uric acid, LDH, AST, ALT, ALP, total protein, albumin) were measured in serum. Some oxidative stress parameters in tissue samples and blood (MDA, NO, SOD, CAT, GSH-Px, GSH) were evaluated. Body and organ (the liver, kidney, brain, heart, and testis) weights were also evaluated at the end of the study. No significant change was observed in the parameters examined in the diosmin alone-treated group by comparison to control group. On the other hand, significant changes were found in the values of lead acetate-treated group comparing control group. It was observed that the values approached the values of the control group in the combination of lead and diosmin. Exposure to lead acetate at a dose of 1000 ppm for 6 weeks causes organ damage; however the diosmin application at a dose of 50 mg/kg.bw had a positive effect on the regression of tissue damage.
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Affiliation(s)
- Mehmet Bozdağ
- Department of Veterinary Pharmacology and Toxicology, Institute of Health Sciences, Erciyes University, Kayseri, Turkey
| | - Gökhan Eraslan
- Faculty of Veterinary Medicine, Department of Pharmacology and Toxicology, Erciyes University, Kayseri, Turkey.
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28
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Li T, Chen X, Zhang C, Zhang Y, Yao W. An update on reactive astrocytes in chronic pain. J Neuroinflammation 2019; 16:140. [PMID: 31288837 PMCID: PMC6615111 DOI: 10.1186/s12974-019-1524-2] [Citation(s) in RCA: 184] [Impact Index Per Article: 36.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Accepted: 06/18/2019] [Indexed: 12/17/2022] Open
Abstract
Chronic pain is a critical clinical problem with an increasing prevalence. However, there are limited effective prevention measures and treatments for chronic pain. Astrocytes are the most abundant glial cells in the central nervous system and play important roles in both physiological and pathological conditions. Over the past few decades, a growing body of evidence indicates that astrocytes are involved in the regulation of chronic pain. Recently, reactive astrocytes were further classified into A1 astrocytes and A2 astrocytes according to their functions. After nerve injury, A1 astrocytes can secrete neurotoxins that induce rapid death of neurons and oligodendrocytes, whereas A2 astrocytes promote neuronal survival and tissue repair. These findings can well explain the dual effects of reactive astrocytes in central nervous injury and diseases. In this review, we will summarise the (1) changes in the morphology and function of astrocytes after noxious stimulation and nerve injury, (2) molecular regulators and signalling mechanisms involved in the activation of astrocytes and chronic pain, (3) the role of spinal and cortical astrocyte activation in chronic pain, and (4) the roles of different subtypes of reactive astrocytes (A1 and A2 phenotypes) in nerve injury that is associated with chronic pain. This review provides updated information on the role of astrocytes in the regulation of chronic pain. In particular, we discuss recent findings about A1 and A2 subtypes of reactive astrocytes and make several suggestions for potential therapeutic targets for chronic pain.
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Affiliation(s)
- Ting Li
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xuhui Chen
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Chuanhan Zhang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Yue Zhang
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Wenlong Yao
- Department of Anesthesiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China.
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29
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Chen X, Xu L, Guo S, Wang Z, Jiang L, Wang F, Zhang J, Liu B. Profiling and comparison of the metabolites of diosmetin and diosmin in rat urine, plasma and feces using UHPLC-LTQ-Orbitrap MS n. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1124:58-71. [PMID: 31177049 DOI: 10.1016/j.jchromb.2019.05.030] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/23/2019] [Accepted: 05/27/2019] [Indexed: 01/29/2023]
Abstract
Diosmin (diosmetin-7-O-rutinoside) and its aglycone diosmetin, natural bioflavonoids distributing in a variety of citrus fruits and Chinese herbal medicines, possessed positive effects against hepatic, renal, lung, gastric, cerebral and cardiac injury. However, the in vivo metabolic profiles of diosmin and diosmetin in urine, plasma and feces still remain ambiguous. In this study, metabolites of diosmin and diosmetin were identified using an UHPLC-LTQ-Orbitrap MSn strategy coupled with multiple metabolite templates, extracted ion chromatograms (EICs) and diagnostic product ions (DPIs). As a result, 46 diosmetin metabolites and 64 diosmin metabolites were respectively identified in rat biological samples. Methylation, demethylation, hydroxylation, glycosylation, glucuronidation, diglucuronidation and sulfation were common metabolic pathways of diosmetin and diosmin, while demethoxylation, decarbonylation, dihydroxylation and dehydroxylation were particular metabolic pathways of diosmin comparing with that of diosmetin. Diosmetin was not detected in all the biological samples, suggesting that it was quickly transformed into other metabolites in vivo. Diosmin and diosmetin-7-O-glucoside identified in urine and feces as well as their subsequent metabolites accounted for a substantial part of all the diosmin metabolic products. Metabolic profiles of diosmetin and diosmin indicated that they were primarily excreted through the urine route possibly originating from the dominant role of their phase II metabolism in vivo. Our results have provided a better understanding of the similarities and differences in pharmacodynamics and pharmacokinetics of diosmetin and diosmin in the future.
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Affiliation(s)
- Xiangyang Chen
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Lulu Xu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Shuzhen Guo
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Zijian Wang
- Beijing Research Institution of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Lijuan Jiang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China
| | - Fei Wang
- Department of Pharmacy, Peking University People's Hospital, Beijing 100044, China
| | - Jiayu Zhang
- Beijing Research Institution of Chinese Medicine, Beijing University of Chinese Medicine, Beijing 100029, China.
| | - Bin Liu
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 102488, China.
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30
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Carvalho TT, Mizokami SS, Ferraz CR, Manchope MF, Borghi SM, Fattori V, Calixto-Campos C, Camilios-Neto D, Casagrande R, Verri WA. The granulopoietic cytokine granulocyte colony-stimulating factor (G-CSF) induces pain: analgesia by rutin. Inflammopharmacology 2019; 27:1285-1296. [PMID: 30945072 DOI: 10.1007/s10787-019-00591-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 03/21/2019] [Indexed: 01/06/2023]
Abstract
Rutin is a glycone form of the flavonol quercetin and it reduces inflammatory pain in animal models. Therapy with granulocyte colony-stimulating factor (G-CSF) is known by the pain caused as its main side effect. The effect of rutin and its mechanisms of action were evaluated in a model of hyperalgesia induced by G-CSF in mice. The mechanical hyperalgesia induced by G-CSF was reduced by treatment with rutin in a dose-dependent manner. Treatment with both rutin + morphine or rutin + indomethacin, at doses that are ineffectual per se, significantly reduced the pain caused by G-CSF. The nitric oxide (NO)-cyclic guanosine monophosphate (cGMP)-protein kinase G (PKG)-ATP-sensitive potassium channel (KATP) signaling pathway activation is one of the analgesic mechanisms of rutin. Rutin also reduced the pro-hyperalgesic and increased anti-hyperalgesic cytokine production induced by G-CSF. Furthermore, rutin inhibited the activation of the nuclear factor kappa-light-chain enhancer of activated B cells (NFκB), which might explain the inhibition of the cytokine production. Treatment with rutin upregulated the decreased mRNA expression of the nuclear factor (erythroid-derived 2)-like 2 (Nrf2) combined with enhancement of the mRNA expression of the Nrf2 downstream target heme oxygenase (HO-1). Intraperitoneal (i.p.) treatment with rutin did not alter the mobilization of neutrophils induced by G-CSF. The analgesia by rutin can be explained by: NO-cGMP-PKG-KATP channel signaling activation, inhibition of NFκB and triggering the Nrf2/HO-1 pathway. The present study demonstrates rutin as a promising pharmacological approach to treat the pain induced by G-CSF without impairing its primary therapeutic benefit of mobilizing hematopoietic progenitor cells into the blood.
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Affiliation(s)
- Thacyana T Carvalho
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Sandra S Mizokami
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Camila R Ferraz
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Marília F Manchope
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Sergio M Borghi
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil.,Center for Research in Health Science, University of Northern Paraná-UNOPAR, Rua Marselha, 591, Jardim Piza, Londrina, Paraná, CEP 86041-140, Brazil
| | - Victor Fattori
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Cassia Calixto-Campos
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Doumit Camilios-Neto
- Department of Biochemistry and Biotechnology, Exact Sciences Center, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Center of Health Sciences, State University of Londrina, Avenida Robert Koch, 60, Hospital Universitário, Londrina, Paraná, CEP 86038-350, Brazil
| | - Waldiceu A Verri
- Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil. .,Department of Pathology, Center of Biological Sciences, State University of Londrina, Rod. Celso Garcia Cid KM480 PR445, Cx Postal 10.011, Londrina, Paraná, CEP 86057-970, Brazil.
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Cheng H, Wu LY. Influence of Phosphatidylinositol-3-Kinase/Protein Kinase B-Mammalian Target of Rapamycin Signaling Pathway on the Neuropathic Pain Complicated by Nucleoside Reverse Transcriptase Inhibitors for the Treatment of HIV Infection. Chin Med J (Engl) 2018; 131:1849-1856. [PMID: 30058583 PMCID: PMC6071467 DOI: 10.4103/0366-6999.237398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Background: Nucleoside reverse transcriptase inhibitors (NRTIs) are the earliest and most commonly used anti-human immunodeficiency virus drugs and play an important role in high active antiretroviral therapy. However, NRTI drug therapy can cause peripheral neuropathic pain. In this study, we aimed to investigate the mechanisms of rapamycin on the pain sensitization of model mice by in vivo experiments to explore the effect of mammalian target of rapamycin (mTOR) in the pathogenesis of neuropathic pain caused by NRTIs. Methods: Male Kun Ming (KM) mice weighing 20–22 g were divided into control, 2 mg/kg rapamycin, 12 mg/kg stavudine, and CMC-Na groups. Drugs were orally administered to mice for 42 consecutive days. The von Frey filament detection and thermal pain tests were conducted on day 7, 14, 21, 28, 35, and 42 after drug administration. After the last behavioral tests, immunohistochemistry and western blotting assay were used for the measurement of mTOR and other biomarkers. Multivariate analysis of variance was used. Results: The beneficial effects of rapamycin on neuropathic pain were attributed to a reduction in mammalian target of rapamycin sensitive complex 1 (mTORC1)-positive cells (70.80 ± 2.41 vs. 112.30 ± 5.66, F = 34.36, P < 0.01) and mTORC1 activity in the mouse spinal cord. Mechanistic studies revealed that Protein Kinase B (Akt)/mTORsignaling pathway blockade with rapamycin prevented the phosphorylation of mTORC1 in stavudine-intoxicated mice (0.72 ± 0.04 vs. 0.86 ± 0.03, F = 4.24, P = 0.045), as well as decreased the expression of phospho-p70S6K (0.47 ± 0.01 vs. 0.68 ± 0.03, F = 6.01, P = 0.022) and phospho-4EBP1 (0.90 ± 0.04 vs. 0.94 ± 0.06, F = 0.28, P = 0.646). Conclusions: Taken together, these results suggest that stavudine elevates the expression and activity of mTORC1 in the spinal cord through activating the Akt/mTOR signaling pathway. The data also provide evidence that rapamycin might be useful for the treatment of peripheral neuropathic pain.
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Affiliation(s)
- Hao Cheng
- Department of Anesthesiology, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Liang-Yu Wu
- Department of Anesthesiology, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
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Fairlie-Clarke K, Barbour M, Wilson C, Hridi SU, Allan D, Jiang HR. Expression and Function of IL-33/ST2 Axis in the Central Nervous System Under Normal and Diseased Conditions. Front Immunol 2018; 9:2596. [PMID: 30515150 PMCID: PMC6255965 DOI: 10.3389/fimmu.2018.02596] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 10/22/2018] [Indexed: 12/11/2022] Open
Abstract
Interleukin-33 (IL-33) is a well-recognized immunomodulatory cytokine which plays critical roles in tissue function and immune-mediated diseases. The abundant expression of IL-33 in brain and spinal cord prompted many scientists to explore its unique role in the central nervous system (CNS) under physiological and pathological conditions. Indeed emerging evidence from over a decade's research suggests that IL-33 acts as one of the key molecular signaling cues coordinating the network between the immune and CNS systems, particularly during the development of neurological diseases. Here, we highlight the recent advances in our knowledge regarding the distribution and cellular localization of IL-33 and its receptor ST2 in specific CNS regions, and more importantly the key roles IL-33/ST2 signaling pathway play in CNS function under normal and diseased conditions.
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Affiliation(s)
| | | | | | | | | | - Hui-Rong Jiang
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, Glasgow, United Kingdom
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33
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Ruiz-Miyazawa KW, Staurengo-Ferrari L, Pinho-Ribeiro FA, Fattori V, Zaninelli TH, Badaro-Garcia S, Borghi SM, Andrade KC, Clemente-Napimoga JT, Alves-Filho JC, Cunha TM, Fraceto LF, Cunha FQ, Napimoga MH, Casagrande R, Verri WA. 15d-PGJ 2-loaded nanocapsules ameliorate experimental gout arthritis by reducing pain and inflammation in a PPAR-gamma-sensitive manner in mice. Sci Rep 2018; 8:13979. [PMID: 30228306 PMCID: PMC6143605 DOI: 10.1038/s41598-018-32334-0] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 09/05/2018] [Indexed: 12/13/2022] Open
Abstract
Gout arthritis (GA) is a painful inflammatory disease in response to monosodium urate (MSU) crystals in the joints. 15deoxy-Δ12,14-prostaglandin J2 (15d-PGJ2) is a natural activator of PPAR-γ with analgesic, anti-inflammatory, and pro-resolution properties. Thus, we aimed to evaluate the effect and mechanisms of action of 15d-PGJ2 nanocapsules (NC) in the model of GA in mice, since a reduction of 33-fold in the dose of 15d-PGJ2 has been reported. Mice were treated with 15d-PGJ2-loaded NC, inert NC, free 15d-PGJ2 (without NC), or 15d-PGJ2-loaded NC+ GW9662, a PPAR-γ inhibitor. We show that 15d-PGJ2-loaded NC provided analgesic effect in a dose that the free 15d-PGJ2 failed to inhibiting pain and inflammation. Hence, 15d-PGJ2-loaded NC reduced MSU-induced IL-1β, TNF-α, IL-6, IL-17, and IL-33 release and oxidative stress. Also, 15d-PGJ2-loaded NC decreased the maturation of IL-1β in LPS-primed BMDM triggered by MSU. Further, 15d-PGJ2-loaded NC decreased the expression of the components of the inflammasome Nlrp3, Asc, and Pro-caspase-1, as consequence of inhibiting NF-κB activation. All effects were PPAR-γ-sensitive. Therefore, we demonstrated that 15d-PGJ2-loaded NC present analgesic and anti-inflammatory properties in a PPAR-γ-dependent manner inhibiting IL-1β release and NF-κB activation in GA. Concluding, 15d-PGJ2-loaded NC ameliorates MSU-induced GA in a PPAR-γ-sensitive manner.
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Affiliation(s)
- Kenji W Ruiz-Miyazawa
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Larissa Staurengo-Ferrari
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Victor Fattori
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Tiago H Zaninelli
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Stephanie Badaro-Garcia
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Sergio M Borghi
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Ketlem C Andrade
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil
| | - Juliana T Clemente-Napimoga
- Laboratory of Immunology and Molecular Biology, São Leopoldo Mandic Institute and Researcher Center, Campinas, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes s/n, 14050-490, Ribeirão Preto, São Paulo, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes s/n, 14050-490, Ribeirão Preto, São Paulo, Brazil
| | - Leonardo F Fraceto
- Department of Environmental Engineering, São Paulo State University, Sorocaba, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Avenida Bandeirantes s/n, 14050-490, Ribeirão Preto, São Paulo, Brazil
| | - Marcelo H Napimoga
- Laboratory of Immunology and Molecular Biology, São Leopoldo Mandic Institute and Researcher Center, Campinas, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Universidade Estadual de Londrina-UEL, Avenida Robert Koch, 60, Hospital Universitário, 86038-350, Londrina, Paraná, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina-UEL, Rod. Celso Garcia Cid, Km 380, PR445, 86057-970, Cx. Postal 10.011, Londrina, Paraná, Brazil.
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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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Central and peripheral anti-hyperalgesic effects of diosmin in a neuropathic pain model in rats. Biomed Pharmacother 2018; 97:310-320. [DOI: 10.1016/j.biopha.2017.10.077] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 10/16/2017] [Accepted: 10/16/2017] [Indexed: 01/21/2023] Open
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36
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Fattori V, Hohmann MSN, Rossaneis AC, Manchope MF, Alves-Filho JC, Cunha TM, Cunha FQ, Verri WA. Targeting IL-33/ST2 signaling: regulation of immune function and analgesia. Expert Opin Ther Targets 2017; 21:1141-1152. [PMID: 29076792 DOI: 10.1080/14728222.2017.1398734] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
INTRODUCTION IL-33 signals through ST2 receptor and promotes inflammation by activating downstream pathways culminating in the production of pro-inflammatory mediators such as IL-1β, TNF-α, and IL-6 in an NF-κB-dependent manner. In fact, compelling evidence has demonstrated the importance of IL-33/ST2 in both innate and adaptive immune responses in diseases presenting pain as an important clinical symptom. Areas covered: IL-33 is a pleiotropic cytokine with varied immune functions. Dysregulation of this pathway has been described as a key step in varied immune responses. Further, IL-33 contributes to peripheral and spinal cord nociceptor neuron sensitization in innate and adaptive inflammatory immune responses as well as in neuropathic and cancer pain. In this sense, targeting IL-33/ST2 signaling is a promising therapeutic approach. Expert opinion: The modulation of IL-33/ST2 signaling represents a possible approach in regulating immune functions. In addition to immune function, strategies targeting IL-33/ST2 signaling pathway display a favorable preclinical analgesic profile in both acute and chronic models of pain. Therefore, IL-33-targeting therapies represent a potential target for the development of novel analgesic drugs given that IL-33 activates, for instance, neutrophils, mast cells, macrophages, astrocytes, and microglia that are important cells in the induction and maintenance of chronic pain states.
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Affiliation(s)
- Victor Fattori
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Miriam S N Hohmann
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Ana C Rossaneis
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Marilia F Manchope
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
| | - Jose C Alves-Filho
- b Department of Pharmacology, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Thiago M Cunha
- b Department of Pharmacology, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Fernando Q Cunha
- b Department of Pharmacology, Ribeirão Preto Medical School , University of São Paulo , Ribeirão Preto , Brazil
| | - Waldiceu A Verri
- a Departamento de Ciências Patológicas, Centro de Ciências Biológicas , Universidade Estadual de Londrina , Londrina , Brazil
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