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Golmakani H, Azimian A, Golmakani E. Newly discovered functions of miRNAs in neuropathic pain: Transitioning from recent discoveries to innovative underlying mechanisms. Mol Pain 2024; 20:17448069231225845. [PMID: 38148597 PMCID: PMC10851769 DOI: 10.1177/17448069231225845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/12/2023] [Accepted: 10/11/2023] [Indexed: 12/28/2023] Open
Abstract
Neuropathic pain is a widespread clinical issue caused by somatosensory nervous system damage, affecting numerous individuals. It poses considerable economic and public health challenges, and managing it can be challenging due to unclear underlying mechanisms. Nevertheless, emerging evidence suggests that neurogenic inflammation and neuroinflammation play a role in developing pain patterns. Emerging evidence suggests that neurogenic inflammation and neuroinflammation play significant roles in developing neuropathic pain within the nervous system. Increased/decreased miRNA expression patterns could affect the progression of neuropathic and inflammatory pain by controlling nerve regeneration, neuroinflammation, and the expression of abnormal ion channels. However, our limited knowledge of miRNA targets hinders a complete grasp of miRNA's functions. Meanwhile, exploring exosomal miRNA, a recently uncovered role, has significantly advanced our comprehension of neuropathic pain's pathophysiology in recent times. In this review, we present a comprehensive overview of the latest miRNA studies and explore the possible ways miRNAs might play a role in the development of neuropathic pain.
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Affiliation(s)
- Hasan Golmakani
- Department of Pediatrics, Faculty of Medicine, Mashhad Azad University, Mashhad, Iran
| | - Amir Azimian
- Department of Pathobiology and Laboratory Sciences, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Ebrahim Golmakani
- Department of Anesthesiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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2
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Zhu J, Huang F, Hu Y, Qiao W, Guan Y, Zhang ZJ, Liu S, Liu Y. Non-Coding RNAs Regulate Spinal Cord Injury-Related Neuropathic Pain via Neuroinflammation. J Inflamm Res 2023; 16:2477-2489. [PMID: 37334347 PMCID: PMC10276590 DOI: 10.2147/jir.s413264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 06/02/2023] [Indexed: 06/20/2023] Open
Abstract
Secondary chronic neuropathic pain (NP) in addition to sensory, motor, or autonomic dysfunction can significantly reduce quality of life after spinal cord injury (SCI). The mechanisms of SCI-related NP have been studied in clinical trials and with the use of experimental models. However, in developing new treatment strategies for SCI patients, NP poses new challenges. The inflammatory response following SCI promotes the development of NP. Previous studies suggest that reducing neuroinflammation following SCI can improve NP-related behaviors. Intensive studies of the roles of non-coding RNAs in SCI have discovered that ncRNAs bind target mRNA, act between activated glia, neuronal cells, or other immunocytes, regulate gene expression, inhibit inflammation, and influence the prognosis of NP.
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Affiliation(s)
- Jing Zhu
- Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
| | - Fei Huang
- Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
- Department of Rehabilitation Medicine, Nantong Health College of Jiangsu Province, Nantong, JiangSu Province, 226010, People’s Republic of China
| | - Yonglin Hu
- Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
- Affiliated Nantong Rehabilitation Hospital of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
| | - Wei Qiao
- Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
| | - Yingchao Guan
- Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
| | - Zhi-Jun Zhang
- Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
| | - Su Liu
- Department of Rehabilitation Medicine, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
| | - Ying Liu
- Department of Pathology, Affiliated Hospital of Nantong University, Nantong, JiangSu Province, 226001, People’s Republic of China
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3
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Zhang D, Ma L, Tan X, Deng W, Wen S, Li Y, Qin B, Cao S, Yu T. Intradermal miR-16-5p targets Akt3 and reduces RTX-induced postherpetic neuralgia-mimic pain in mice. Eur J Pharmacol 2023; 946:175665. [PMID: 36940911 DOI: 10.1016/j.ejphar.2023.175665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 02/27/2023] [Accepted: 03/16/2023] [Indexed: 03/23/2023]
Abstract
The molecular mechanisms of refractory pain in postherpetic neuralgia (PHN) patients are not fully understood. PHN may be related to skin abnormality after herpes zoster induced skin lesions. We previously reported 317 differentially expressed microRNAs (miRNAs) in PHN skin compared with the contralateral normal mirror skin. In this study, 19 differential miRNAs were selected and the expression was validated in other 12 PHN patients. The expression levels of miR-16-5p, miR-20a-5p, miR-505-5p, miR-3664-3p, miR-4714-3p and let-7a-5p are lower in PHN skin, which is the same as those in microarray experiment. To evaluate the effects of cutaneous miRNA on PHN, the expression of candidate miRNAs is further observed in resiniferatoxin (RTX) induced PHN-mimic mice model. In the plantar skin of RTX mice, miR-16-5p and let-7a-5p are downregulated, with the same expression trend of PHN patients. In addition, intraplantar injection of agomir-16-5p reduced mechanical hyperalgesia, and improved thermal hypoalgesia in RTX mice. Furthermore, agomir-16-5p down-regulated the expression levels of Akt3, which is the target gene of agomir-16-5p. These results suggest that intraplantar miR-16-5p may alleviate RTX induced PHN-mimic pain by inhibiting the expression of Akt3 in the skin.
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Affiliation(s)
- Dexin Zhang
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China; Department of Pain Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Lulin Ma
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Xinran Tan
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China; Department of Pain Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Wenwen Deng
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Song Wen
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Ying Li
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China; Department of Pain Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Bangyong Qin
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China; Department of Pain Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China
| | - Song Cao
- Department of Anesthesiology, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China; Department of Pain Medicine, Affiliated Hospital of Zunyi Medical University, Zunyi, Guizhou, China; Guizhou Key Laboratory of Anesthesia and Organ Protection, Zunyi Medical University, Zunyi, Guizhou, China.
| | - Tian Yu
- Guizhou Key Laboratory of Anesthesia and Organ Protection, Zunyi Medical University, Zunyi, Guizhou, China.
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Morchio M, Sher E, Collier DA, Lambert DW, Boissonade FM. The Role of miRNAs in Neuropathic Pain. Biomedicines 2023; 11:biomedicines11030775. [PMID: 36979754 PMCID: PMC10045079 DOI: 10.3390/biomedicines11030775] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/27/2023] [Accepted: 02/28/2023] [Indexed: 03/08/2023] Open
Abstract
Neuropathic pain is a debilitating condition affecting around 8% of the adult population in the UK. The pathophysiology is complex and involves a wide range of processes, including alteration of neuronal excitability and synaptic transmission, dysregulated intracellular signalling and activation of pro-inflammatory immune and glial cells. In the past 15 years, multiple miRNAs–small non-coding RNA–have emerged as regulators of neuropathic pain development. They act by binding to target mRNAs and preventing the translation into proteins. Due to their short sequence (around 22 nucleotides in length), they can have hundreds of targets and regulate several pathways. Several studies on animal models have highlighted numerous miRNAs that play a role in neuropathic pain development at various stages of the nociceptive pathways, including neuronal excitability, synaptic transmission, intracellular signalling and communication with non-neuronal cells. Studies on animal models do not always translate in the clinic; fewer studies on miRNAs have been performed involving human subjects with neuropathic pain, with differing results depending on the specific aetiology underlying neuropathic pain. Further studies using human tissue and liquid samples (serum, plasma, saliva) will help highlight miRNAs that are relevant to neuropathic pain diagnosis or treatment, as biomarkers or potential drug targets.
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Affiliation(s)
- Martina Morchio
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK
- The Neuroscience Institute, University of Sheffield, Sheffield S10 2TN, UK
| | - Emanuele Sher
- UK Neuroscience Hub, Eli Lilly and Company, Bracknell RG12 1PU, UK
| | - David A. Collier
- UK Neuroscience Hub, Eli Lilly and Company, Bracknell RG12 1PU, UK
| | - Daniel W. Lambert
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK
- The Neuroscience Institute, University of Sheffield, Sheffield S10 2TN, UK
| | - Fiona M. Boissonade
- School of Clinical Dentistry, University of Sheffield, Sheffield S10 2TA, UK
- The Neuroscience Institute, University of Sheffield, Sheffield S10 2TN, UK
- Correspondence:
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Rastegar-Moghaddam SH, Ebrahimzadeh-Bideskan A, Shahba S, Malvandi AM, Mohammadipour A. Roles of the miR-155 in Neuroinflammation and Neurological Disorders: A Potent Biological and Therapeutic Target. Cell Mol Neurobiol 2023; 43:455-467. [PMID: 35107690 DOI: 10.1007/s10571-022-01200-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/23/2022] [Indexed: 12/19/2022]
Abstract
Neuroinflammation plays a crucial role in the development and progression of neurological disorders. MicroRNA-155 (miR-155), a miR is known to play in inflammatory responses, is associated with susceptibility to inflammatory neurological disorders and neurodegeneration, including Alzheimer's disease, Parkinson's disease, multiple sclerosis, and amyotrophic lateral sclerosis as well as epilepsy, stroke, and brain malignancies. MiR-155 damages the central nervous system (CNS) by enhancing the expression of pro-inflammatory cytokines, like IL-1β, IL-6, TNF-α, and IRF3. It also disturbs the blood-brain barrier by decreasing junctional complex molecules such as claudin-1, annexin-2, syntenin-1, and dedicator of cytokinesis 1 (DOCK-1), a hallmark of many neurological disorders. This review discusses the molecular pathways which involve miR-155 as a critical component in the progression of neurological disorders, representing miR-155 as a viable therapeutic target.
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Affiliation(s)
- Seyed Hamidreza Rastegar-Moghaddam
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, PO Box 91779-48564, Mashhad, Iran.,Applied Biomedical Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Ebrahimzadeh-Bideskan
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, PO Box 91779-48564, Mashhad, Iran.,Applied Biomedical Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sara Shahba
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Amir Mohammad Malvandi
- Laboratory of Experimental Biochemistry & Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi, 4, 20161, Milan, Italy.
| | - Abbas Mohammadipour
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, PO Box 91779-48564, Mashhad, Iran.
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Role of the MicroRNAs in the Pathogenic Mechanism of Painful Symptoms in Long COVID: Systematic Review. Int J Mol Sci 2023; 24:ijms24043574. [PMID: 36834984 PMCID: PMC9963913 DOI: 10.3390/ijms24043574] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
The ongoing pandemic of COVID-19 has caused more than 6.7 million tragic deaths, plus, a large percentage of people who survived it present a myriad of chronic symptoms that last for at least 6 months; this has been named as long COVID. Some of the most prevalent are painful symptoms like headache, joint pain, migraine, neuropathic-like pain, fatigue and myalgia. MicroRNAs are small non-coding RNAs that regulate genes, and their involvement in several pathologies has been extensively shown. A deregulation of miRNAs has been observed in patients with COVID-19. The objective of the present systematic review was to show the prevalence of chronic pain-like symptoms of patients with long COVID and based on the expression of miRNAs in patients with COVID-19, and to present a proposal on how they may be involved in the pathogenic mechanisms of chronic pain-like symptoms. A systematic review was carried out in online databases for original articles published between March 2020 to April 2022; the systematic review followed the PRISMA guidelines, and it was registered in PROSPERO with registration number CRD42022318992. A total of 22 articles were included for the evaluation of miRNAs and 20 regarding long COVID; the overall prevalence of pain-like symptoms was around 10 to 87%, plus, the miRNAs that were commonly up and downregulated were miR-21-5p, miR-29a,b,c-3p miR-92a,b-3p, miR-92b-5p, miR-126-3p, miR-150-5p, miR-155-5p, miR-200a, c-3p, miR-320a,b,c,d,e-3p, and miR-451a. The molecular pathways that we hypothesized to be modulated by these miRNAs are the IL-6/STAT3 proinflammatory axis and the compromise of the blood-nerve barrier; these two mechanisms could be associated with the prevalence of fatigue and chronic pain in the long COVID population, plus they could be novel pharmacological targets in order to reduce and prevent these symptoms.
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Zhang C, Talifu Z, Xu X, Liu W, Ke H, Pan Y, Li Y, Bai F, Jing Y, Li Z, Li Z, Yang D, Gao F, Du L, Li J, Yu Y. MicroRNAs in spinal cord injury: A narrative review. Front Mol Neurosci 2023; 16:1099256. [PMID: 36818651 PMCID: PMC9931912 DOI: 10.3389/fnmol.2023.1099256] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/12/2023] [Indexed: 02/05/2023] Open
Abstract
Spinal cord injury (SCI) is a global medical problem with high disability and mortality rates. At present, the diagnosis and treatment of SCI are still lacking. Spinal cord injury has a complex etiology, lack of diagnostic methods, poor treatment effect and other problems, which lead to the difficulty of spinal cord regeneration and repair, and poor functional recovery. Recent studies have shown that gene expression plays an important role in the regulation of SCI repair. MicroRNAs (miRNAs) are non-coding RNA molecules that target mRNA expression in order to silence, translate, or interfere with protein synthesis. Secondary damage, such as oxidative stress, apoptosis, autophagy, and inflammation, occurs after SCI, and differentially expressed miRNAs contribute to these events. This article reviews the pathophysiological mechanism of miRNAs in secondary injury after SCI, focusing on the mechanism of miRNAs in secondary neuroinflammation after SCI, so as to provide new ideas and basis for the clinical diagnosis and treatment of miRNAs in SCI. The mechanisms of miRNAs in neurological diseases may also make them potential biomarkers and therapeutic targets for spinal cord injuries.
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Affiliation(s)
- Chunjia Zhang
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Zuliyaer Talifu
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China,School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, Shandong Province, China
| | - Xin Xu
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Wubo Liu
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China,Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China,Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - Han Ke
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China,Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China,Department of Orthopedics, Qilu Hospital of Shandong University, Jinan, Shandong Province, China
| | - Yunzhu Pan
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China,School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, Shandong Province, China
| | - Yan Li
- China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Fan Bai
- China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Yingli Jing
- China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Zihan Li
- China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Zehui Li
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Degang Yang
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Feng Gao
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Liangjie Du
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China
| | - Jianjun Li
- School of Rehabilitation, Capital Medical University, Beijing, China,,Department of Spinal and Neural Functional Reconstruction, China Rehabilitation Research Center, Beijing, China,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China,School of Rehabilitation Sciences and Engineering, University of Health and Rehabilitation Sciences, Qingdao, Shandong Province, China,Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China,*Correspondence: Jianjun Li,
| | - Yan Yu
- School of Rehabilitation, Capital Medical University, Beijing, China,,China Rehabilitation Science Institute, Beijing, China,Center of Neural Injury and Repair, Beijing Institute for Brain Disorders, Beijing, China,Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China,Yan Yu,
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Zhao YY, Wu ZJ, Zhu LJ, Niu TX, Liu B, Li J. Emerging roles of miRNAs in neuropathic pain: From new findings to novel mechanisms. Front Mol Neurosci 2023; 16:1110975. [PMID: 36873108 PMCID: PMC9981676 DOI: 10.3389/fnmol.2023.1110975] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/30/2023] [Indexed: 02/19/2023] Open
Abstract
Neuropathic pain, which results from damage to the somatosensory nervous system, is a global clinical condition that affects many people. Neuropathic pain imposes significant economic and public health burdens and is often difficult to manage because the underlying mechanisms remain unclear. However, mounting evidence indicates a role for neurogenic inflammation and neuroinflammation in pain pattern development. There is increasing evidence that the activation of neurogenic inflammation and neuroinflammation in the nervous system contribute to neuropathic pain. Altered miRNA expression profiles might be involved in the pathogenesis of both inflammatory and neuropathic pain by regulating neuroinflammation, nerve regeneration, and abnormal ion channel expression. However, the lack of knowledge about miRNA target genes prevents a full understanding of the biological functions of miRNAs. At the same time, an extensive study on exosomal miRNA, a newly discovered role, has advanced our understanding of the pathophysiology of neuropathic pain in recent years. This section provides a comprehensive overview of the current understanding of miRNA research and discusses the potential mechanisms of miRNAs in neuropathic pain.
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Affiliation(s)
- Yu-Ying Zhao
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China.,Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Zi-Jun Wu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China.,Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Li-Juan Zhu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China.,Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Tong-Xiang Niu
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China.,Tianjin Research Institute of Anesthesiology, Tianjin, China
| | - Bin Liu
- Department of Critical Care Medicine, General Hospital of Tianjin Medical University, Tianjin, China.,Center for Critical Care Medicine, Institute of Hematology and Blood Diseases Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Tianjin, China
| | - Jing Li
- Department of Anesthesiology, Tianjin Medical University General Hospital, Tianjin, China.,Tianjin Research Institute of Anesthesiology, Tianjin, China
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Zhang K, Li P, Jia Y, Liu M, Jiang J. Non-coding RNA and n6-methyladenosine modification play crucial roles in neuropathic pain. Front Mol Neurosci 2022; 15:1002018. [PMID: 36466810 PMCID: PMC9716653 DOI: 10.3389/fnmol.2022.1002018] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Accepted: 10/28/2022] [Indexed: 07/30/2023] Open
Abstract
After peripheral nerve injury, pain signals are transmitted from primary sensory neurons in the dorsal root ganglion (DRG) to the central nervous system. Epigenetic modification affects neuropathic pain through alterations in the gene expression in pain-related areas and glial cell activation. Recent studies have shown that non-coding RNA and n6-methyladenosine (m6A) methylation modification play pivotal regulatory roles in the occurrence and maintenance of neuropathic pain. Dysregulation of the RNA m6A level via dynamic changes in methyltransferase and demethylase after central or peripheral nerve injury commonly regulates pain-associated genes, contributing to the induction and maintenance of neuropathic pain. The dynamic process has significant implications for the development and maintenance of neuropathic pain. However, the underlying mechanisms by which non-coding RNA and m6A RNA modification regulate neuropathic pain are not well-characterized. This article elucidates the multiple mechanisms of non-coding RNA and m6A methylation in the context of neuropathic pain, and summarizes its potential functions as well as recent advances.
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Upregulation of Spinal miR-155-5p Contributes to Mechanical Hyperalgesia by Promoting Inflammatory Activation of Microglia in Bone Cancer Pain Rats. Life (Basel) 2022; 12:life12091349. [PMID: 36143385 PMCID: PMC9503135 DOI: 10.3390/life12091349] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 11/16/2022] Open
Abstract
Bone cancer pain (BCP) seriously deteriorates the life quality of patients, but its underlying mechanism is still unclear. Spinal microRNAs might contribute to the development of BCP and the role of microglial activation is controversial. In this study, we established a BCP model by injecting Walker 256 breast carcinoma cells into the tibial intramedullary cavity of rats and significant hyperalgesia was observed in the BCP rats. The lumbar spinal cords were harvested to perform RNA sequencing (RNA-seq), and 31 differentially expressed miRNAs (26 upregulated and 5 downregulated) were identified in the BCP rats. Among them, miR-155-5p was significantly upregulated in the BCP rats. Spinal microglial activation was observed during BCP development. miR-155-5p could be expressed in spinal microglia and was significantly upregulated in microglia treated with lipopolysaccharide (LPS) in vitro. Serum/glucocorticoid regulated kinase family member 3 (Sgk3) was predicted to be the possible downstream target of miR-155-5p and this was confirmed using a dual-luciferase reporter assay in vitro. The inhibition of miR-155-5p restored Sgk3-expression-attenuated microglial activation and alleviated hyperalgesia in the BCP rats. In conclusion, spinal miR-155-5p/Sgk3/microglial activation might play an important role in BCP pathogenesis.
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Jiang M, Wang Y, Wang J, Feng S, Wang X. The etiological roles of miRNAs, lncRNAs, and circRNAs in neuropathic pain: A narrative review. J Clin Lab Anal 2022; 36:e24592. [PMID: 35808924 PMCID: PMC9396192 DOI: 10.1002/jcla.24592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 11/16/2022] Open
Abstract
Background Non‐coding RNAs (ncRNAs) are involved in neuropathic pain development. Herein, we systematically searched for neuropathic pain‐related ncRNAs expression changes, including microRNAs (miRNAs), long non‐coding RNAs (lncRNAs), and circular non‐coding RNAs (circRNAs). Methods We searched two databases, PubMed and GeenMedical, for relevant studies. Results Peripheral nerve injury or noxious stimuli can induce extensive changes in the expression of ncRNAs. For example, higher serum miR‐132‐3p, ‐146b‐5p, and ‐384 was observed in neuropathic pain patients. Either sciatic nerve ligation, dorsal root ganglion (DRG) transaction, or ventral root transection (VRT) could upregulate miR‐21 and miR‐31 while downregulating miR‐668 and miR‐672 in the injured DRG. lncRNAs, such as early growth response 2‐antisense‐RNA (Egr2‐AS‐RNA) and Kcna2‐AS‐RNA, were upregulated in Schwann cells and inflicted DRG after nerve injury, respectively. Dysregulated circRNA homeodomain‐interacting protein kinase 3 (circHIPK3) in serum and the DRG, abnormally expressed lncRNAs X‐inactive specific transcript (XIST), nuclear enriched abundant transcript 1 (NEAT1), small nucleolar RNA host gene 1 (SNHG1), as well as ciRS‐7, zinc finger protein 609 (cirZNF609), circ_0005075, and circAnks1a in the spinal cord were suggested to participate in neuropathic pain development. Dysregulated miRNAs contribute to neuropathic pain via neuroinflammation, autophagy, abnormal ion channel expression, regulating pain‐related mediators, protein kinases, structural proteins, neurotransmission excitatory–inhibitory imbalances, or exosome miRNA‐mediated neuron–glia communication. In addition, lncRNAs and circRNAs are essential in neuropathic pain by acting as antisense RNA and miRNA sponges, epigenetically regulating pain‐related molecules expression, or modulating miRNA processing. Conclusions Numerous dysregulated ncRNAs have been suggested to participate in neuropathic pain development. However, there is much work to be done before ncRNA‐based analgesics can be clinically used for various reasons such as conservation among species, proper delivery, stability, and off‐target effects.
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Affiliation(s)
- Ming Jiang
- Department of Anesthesiology and Pain Medicine, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China
| | - Yelong Wang
- Department of Anesthesiology, Gaochun People's Hospital, Nanjing, China
| | - Jing Wang
- Department of Anesthesiology and Pain Medicine, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China
| | - Shanwu Feng
- Department of Anesthesiology and Pain Medicine, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China
| | - Xian Wang
- Department of Anesthesiology and Pain Medicine, Nanjing Maternity and Child Health Care Hospital, Women's Hospital of Nanjing Medical University, Nanjing, China
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12
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Jiang W, Tan XY, Li JM, Yu P, Dong M. DNA Methylation: A Target in Neuropathic Pain. Front Med (Lausanne) 2022; 9:879902. [PMID: 35872752 PMCID: PMC9301322 DOI: 10.3389/fmed.2022.879902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 06/06/2022] [Indexed: 11/13/2022] Open
Abstract
Neuropathic pain (NP), caused by an injury or a disease affecting the somatosensory nervous system of the central and peripheral nervous systems, has become a global health concern. Recent studies have demonstrated that epigenetic mechanisms are among those that underlie NP; thus, elucidating the molecular mechanism of DNA methylation is crucial to discovering new therapeutic methods for NP. In this review, we first briefly discuss DNA methylation, demethylation, and the associated key enzymes, such as methylases and demethylases. We then discuss the relationship between NP and DNA methylation, focusing on DNA methyltransferases including methyl-CpG-binding domain (MBD) family proteins and ten-eleven translocation (TET) enzymes. Based on experimental results of neuralgia in animal models, the mechanism of DNA methylation-related neuralgia is summarized, and useful targets for early drug intervention in NP are discussed.
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Affiliation(s)
- Wei Jiang
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
| | - Xuan-Yu Tan
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Jia-Ming Li
- Department of Emergency, The First Hospital of Jilin University, Changchun, China
| | - Peng Yu
- Department of Ophthalmology, The Second Hospital of Jilin University, Changchun, China
- *Correspondence: Peng Yu
| | - Ming Dong
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Changchun, China
- Ming Dong
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13
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Electroacupuncture Alleviates Neuropathic Pain through Regulating miR-206-3p Targeting BDNF after CCI. Neural Plast 2022; 2022:1489841. [PMID: 35719137 PMCID: PMC9203241 DOI: 10.1155/2022/1489841] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Accepted: 04/27/2022] [Indexed: 12/03/2022] Open
Abstract
Background Electroacupuncture (EA) has benefits for neuropathic pain. However, the underlying mechanisms are still unknown. The current study explores the underlying mechanisms of EA in neuropathic pain of chronic constriction injury (CCI) rats. Material/Methods. Overall, 126 Sprague-Dawley (200-250 g) rats were divided into nine groups randomly: the sham-operated, CCI, CCI+EA, CCI+sham EA, CCI+NS, CCI+AAV-NC, CCI+AAV-miR-206-3p, CCI+EA+NS, and CCI+EA+AAV-miR-206-3p groups. The animals were sacrificed 14 days postsurgery. Mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL) tests were used to determine differences in neurobehavioral manifestations. qPCR, western blotting, and immunofluorescence (IF) were carried out to detect the expression levels of miR-206-3p, BDNF, BAX/Bcl-2, TNF-α, and IL-6. Nissl staining was measured to observe morphological changes in neurons. Transmission electron microscopy (TEM) was employed to evaluate microscopic changes in dorsal horn synapses. Results Hyperalgesia was reduced markedly by EA in the CCI model. The expression level of miR-206-3p was elevated, whereas the expression levels of BDNF, BAX/Bcl-2, TNF-α, and IL-6 were decreased in EA-treated CCI rats. However, a miR-206-3p inhibitor partially abrogated the analgesic effect of EA and resulted in poor behavioral performance and the BDNF, BAX/Bcl-2, TNF-α, and IL-6 expression was elevated as well. Conclusions EA can relieve neuropathic pain by regulating the miR-206-3p/BDNF pathway, thus exerting anti-inflammatory and antiapoptotic effect.
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Sabina S, Panico A, Mincarone P, Leo CG, Garbarino S, Grassi T, Bagordo F, De Donno A, Scoditti E, Tumolo MR. Expression and Biological Functions of miRNAs in Chronic Pain: A Review on Human Studies. Int J Mol Sci 2022; 23:ijms23116016. [PMID: 35682695 PMCID: PMC9181121 DOI: 10.3390/ijms23116016] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/24/2022] [Accepted: 05/26/2022] [Indexed: 02/01/2023] Open
Abstract
Chronic pain is a major public health problem and an economic burden worldwide. However, its underlying pathological mechanisms remain unclear. MicroRNAs (miRNAs) are a class of small noncoding RNAs that post-transcriptionally regulate gene expression and serve key roles in physiological and pathological processes. This review aims to synthesize the human studies examining miRNA expression in the pathogenesis of chronic primary pain and chronic secondary pain. Additionally, to understand the potential pathophysiological impact of miRNAs in these conditions, an in silico analysis was performed to reveal the target genes and pathways involved in primary and secondary pain and their differential regulation in the different types of chronic pain. The findings, methodological issues and challenges of miRNA research in the pathophysiology of chronic pain are discussed. The available evidence suggests the potential role of miRNA in disease pathogenesis and possibly the pain process, eventually enabling this role to be exploited for pain monitoring and management.
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Affiliation(s)
- Saverio Sabina
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
| | - Alessandra Panico
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
| | - Pierpaolo Mincarone
- Institute for Research on Population and Social Policies, National Research Council, c/o ex Osp. Di Summa, Piazza Di Summa, 72100 Brindisi, Italy;
| | - Carlo Giacomo Leo
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
| | - Sergio Garbarino
- Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics and Maternal/Child Sciences, University of Genoa, 16132 Genoa, Italy;
| | - Tiziana Grassi
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
| | - Francesco Bagordo
- Department of Pharmacy-Pharmaceutical Science, University of Bari Aldo Moro, Via Edoardo Orabona, 70126 Bari, Italy;
| | - Antonella De Donno
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
| | - Egeria Scoditti
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
- Correspondence: ; Tel.: +39-(08)-3229-8860
| | - Maria Rosaria Tumolo
- Institute of Clinical Physiology, National Research Council, Via Monteroni, 73100 Lecce, Italy; (S.S.); (C.G.L.); (M.R.T.)
- Department of Biological and Environmental Sciences and Technology, University of Salento, Via Monteroni, 73100 Lecce, Italy; (A.P.); (T.G.); (A.D.D.)
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Huang A, Ji L, Huang Y, Yu Q, Li Y. miR-185-5p alleviates CCI-induced neuropathic pain by repressing NLRP3 inflammasome through dual targeting MyD88 and CXCR4. Int Immunopharmacol 2022; 104:108508. [PMID: 34999395 DOI: 10.1016/j.intimp.2021.108508] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/28/2021] [Accepted: 12/28/2021] [Indexed: 12/13/2022]
Abstract
MicroRNAs (miRNAs) are important modulators in the evolvement and progression of neuropathic pain (NP). According to reports, miR-185-5p contributes to various diseases and inflammatory responses. However, it is not clear whether miR-185-5p mediates neuroinflammation and NP following chronic constrictive injury (CCI). The CCI model was constructed in rats to induce NP. Paw withdrawal threshold (PWT) and paw withdrawal latency (PWL) were employed to evaluate pain threshold in CCI rats. The expression of miR-185-5p, GFAP, Iba1, Caspase-3-positive cells, terminal deoxynucleotidyl transferase-mediated dUTP-biotin nick end labeling (TUNEL)-labeled apoptotic neurons, inflammatory mediators, including interleukin (IL)-6, IL-1β and tumor necrosis factor-α (TNF-α) in lumbar portion (L4-L6) of CCI rats were determined. Furthermore, the targets of miR-185-5p were predicted by the Starbase, and the binding association between miR-185-5p and MyD88, miR-185-5p and CXCR4 was verified by the dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay. As shown by the data, miR-185-5p was distinctly reduced in L4-L6 spinal cord tissues of rats after CCI. Up-regulating miR-185-5p alleviated mechanical and thermal hyperalgesia, inactivated microglia and astrocytes accumulation, and abated the contents of IL-1β, IL-6 and TNF-α in L4-L6 spinal cord tissues of CCI rats. Bioinformatics analysis suggested that MyD88 and CXCR4 were potential target genes of miR-185-5p. Increasing miR-185-5p expression notably impeded the expression of MyD88, CXCR4 and NLRP3 inflammasome in BV2 microglia, while attenuating miR-185-5p expression exerted the opposite effects. Notably, down-regulating MyD88 and CXCR4 significantly enhanced the miR-185-5p-mediated anti-inflammatory effects, and reversed miR-185-5p inhibitor-mediated proinflammatory effects. Additionally, up-regulating miR-185-5p repressed BV2-induced neuronal apoptosis and increased neuronal viability. In conclusion, this study suggested that miR-185-5p chokes CCI-induced NP and neuroinflammation by targeting MyD88 and CXCR4, indicating that miR-186-5p is an underlying therapeutic target for NP.
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Affiliation(s)
- Airu Huang
- Department of Rehabilitation Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, PR China
| | - Ling Ji
- Department of Rehabilitation Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, PR China
| | - Yilong Huang
- Gastrointestinal surgery, Pidu District People's Hospital, Chengdu, Sichuan 611730, PR China
| | - Qian Yu
- Department of Rehabilitation Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, PR China.
| | - Yufeng Li
- Department of Rehabilitation Medicine, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, Sichuan 610072, PR China.
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16
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Role of miRNAs in diabetic neuropathy: mechanisms and possible interventions. Mol Neurobiol 2022; 59:1836-1849. [PMID: 35023058 DOI: 10.1007/s12035-021-02662-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/19/2021] [Indexed: 10/19/2022]
Abstract
Accelerating cases of diabetes worldwide have given rise to higher incidences of diabetic complications. MiRNAs, a much-explored class of non-coding RNAs, play a significant role in the pathogenesis of diabetes mellitus by affecting insulin release, β-cell proliferation, and dysfunction. Besides, disrupted miRNAs contribute to various complications, diabetic retinopathy, nephropathy, and neuropathy as well as severe conditions like diabetic foot. MiRNAs regulate various processes involved in diabetic complications like angiogenesis, vascularization, inflammations, and various signaling pathways like PI3K, MAPK, SMAD, and NF-KB signaling pathways. Diabetic neuropathy is the most common diabetic complication, characterized mainly by pain and numbness, especially in the legs and feet. MiRNAs implicated in diabetic neuropathy include mir-9, mir-106a, mir-146a, mir-182, miR-23a and b, miR-34a, and miR-503. The diabetic foot is the most common diabetic neuropathy, often leading to amputations. Mir-203, miR-23c, miR-145, miR-29b and c, miR-126, miR-23a and b, miR-503, and miR-34a are associated with diabetic foot. This review has been compiled to summarize miRNA involved in initiation, progression, and miRNAs affecting various signaling pathways involved in diabetic neuropathy including the diabetic foot. Besides, potential applications of miRNAs as biomarkers and therapeutic targets in this microvascular complication will also be discussed.
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Wang Z, Shen W, Zhu M, Xu M, Qiu M, Zhang D, Chen S. MiR-199-3p Suppressed Inflammatory Response by Targeting MECP2 to Alleviate TRX-Induced PHN in Mice. Cell Transplant 2022; 31:9636897221108192. [PMID: 35838296 PMCID: PMC9290148 DOI: 10.1177/09636897221108192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Varicella zoster virus–induced postherpetic neuralgia (PHN) can be alleviated by limited medications with serious side effects. This study aims to investigate the underlying molecular mechanism of miR-199-3p in mediating PHN in mice. 293T cells were transfected with miR-199-3p vectors (mimic/inhibitor). The target relationship between miR-199-3p and MECP2 was confirmed using luciferase reporter assay. PHN mouse model was established by TRX injection. Animal behaviors were evaluated using Hargreaves test and Von Frey test. Western blot was used for protein analysis, and quantitative reverse transcription polymerase chain reaction was performed for messenger RNA quantification. Serum levels of inflammatory mediators were determined using ELISA. Paw withdrawal latency (PWL) and mechanical withdrawal threshold (MWT) were decreased in resiniferatoxin-induced PHN mice. Downregulated miR-199-3p and upregulated MECP2 were found in PHN mice. Upregulated miR-199-3p increased PWL and MWT, but inhibited MECP2 in PHN mice. Besides, increased miR-199-3p suppressed proinflammatory indicators and activated anti-inflammatory mediators. It also found that MECP2 was the target of miR-199-3p. Further study showed miR-199-3p enhanced PWL and MWT, and supported inflammatory response via targeting MECP2. miR-199-3p regulated inflammation by targeting MECP2 to alleviate TRX-induced PHN in mice.
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Affiliation(s)
- Zhijian Wang
- Department of Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Wei Shen
- Department of Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Mengye Zhu
- Department of Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Mu Xu
- Department of Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Mizhen Qiu
- Department of Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Daying Zhang
- Department of Pain, The First Affiliated Hospital of Nanchang University, Nanchang, China
| | - Shibiao Chen
- Department of Anesthesiology, The First Affiliated Hospital of Nanchang University, Nanchang, China
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18
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Wen Q, Wang Y, Pan Q, Tian R, Zhang D, Qin G, Zhou J, Chen L. MicroRNA-155-5p promotes neuroinflammation and central sensitization via inhibiting SIRT1 in a nitroglycerin-induced chronic migraine mouse model. J Neuroinflammation 2021; 18:287. [PMID: 34893074 PMCID: PMC8665643 DOI: 10.1186/s12974-021-02342-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 12/05/2021] [Indexed: 12/03/2022] Open
Abstract
Background Previous studies have confirmed that the microglial activation and subsequent inflammatory responses in the trigeminal nucleus caudalis (TNC) are involved in the central sensitization of chronic migraine (CM). MicroRNA-155-5p has been shown to modulate the polarization of microglia and participate in inflammatory processes in a variety of neurological diseases. However, its role in CM remains unclear. The purpose of this study was to determine the precise role of miR-155-5p in CM. Methods A model of CM in C57BL/6 mice was established by recurrent intraperitoneal injection of nitroglycerin (NTG). Mechanical and thermal hyperalgesia were evaluated by Von Frey filaments and radiant heat. The expression of miR-155-5p was examined by qRT-PCR, and the mRNA and protein levels of silent information regulator 1(SIRT1) were measured by qRT-PCR, Western blotting (WB) and immunofluorescence (IF) analysis. The miR-155-5p antagomir, miR-155-5p agomir, SRT1720 (a SIRT1 activator) and EX527 (a SIRT1 inhibitor) were administered to confirm the effects of miR-155-5p and SIRT1 on neuroinflammation and the central sensitization of CM. ELISA, WB and IF assays were applied to evaluate the expression of TNF-α, myeloperoxidase (MPO), IL-10, p-ERK, p-CREB, calcitonin gene-related peptide (CGRP), c-Fos and microglial activation. The cellular localization of SIRT1 was illustrated by IF. Results After the NTG-induced mouse model of CM was established, the expression of miR-155-5p was increased. The level of SIRT1 was decreased, and partly colocalized with Iba1 in the TNC. The miR-155-5p antagomir and SRT1720 downregulated the expression of p-ERK, p-CREB, CGRP, and c-Fos, alleviating microglial activation and decreasing inflammatory substances (TNF-α, MPO). The administration of miR-155-5p agomir or EX527 exacerbated neuroinflammation and central sensitization. Importantly, the miR-155-5p agomir elevated CGRP and c-Fos expression and microglial activation, which could subsequently be alleviated by SRT1720. Conclusions These data demonstrate that upregulated miR-155-5p in the TNC participates in the central sensitization of CM. Inhibiting miR-155-5p alleviates neuroinflammation by activating SIRT1 in the TNC of CM mice.
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Affiliation(s)
- Qianwen Wen
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, 1st You Yi Road, Yu Zhong, Chongqing, 400016, China
| | - Yunfeng Wang
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.,Department of Neurology, Nanchong Central Hospital, Nanchong, China
| | - Qi Pan
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Ruimin Tian
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dunke Zhang
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, 1st You Yi Road, Yu Zhong, Chongqing, 400016, China
| | - Guangcheng Qin
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, 1st You Yi Road, Yu Zhong, Chongqing, 400016, China
| | - Jiying Zhou
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Lixue Chen
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, 1st You Yi Road, Yu Zhong, Chongqing, 400016, China.
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Gaudet AD, Fonken LK, Ayala MT, Maier SF, Watkins LR. Aging and miR-155 in mice influence survival and neuropathic pain after spinal cord injury. Brain Behav Immun 2021; 97:365-370. [PMID: 34284114 PMCID: PMC8453092 DOI: 10.1016/j.bbi.2021.07.003] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/18/2021] [Accepted: 07/03/2021] [Indexed: 12/24/2022] Open
Abstract
Spinal cord injury (SCI) elicits chronic pain in 65% of individuals. In addition, SCI afflicts an increasing number of aged individuals, and those with SCI are predisposed to shorter lifespan. Our group previously identified that deletion of the microRNA miR-155 reduced neuroinflammation and locomotor deficits after SCI. Here, we hypothesized that aged mice would be more susceptible to pain symptoms and death soon after SCI, and that miR-155 deletion would reduce pain symptoms in adult and aged mice and improve survival. Adult (2 month-old) and aged (20 month-old) female wildtype (WT) and miR-155 knockout (KO) mice received T9 contusion SCI. Aged WT mice displayed reduced survival and increased autotomy - a symptom of spontaneous pain. In contrast, aged miR-155 KO mice after SCI were less susceptible to death or spontaneous pain. Evoked pain symptoms were tested using heat (Hargreaves test) and mechanical (von Frey) stimuli. At baseline, aged mice showed heightened heat sensitivity. After SCI, adult and aged WT and miR-155 KO mice all exhibited heat and mechanical hypersensitivity at all timepoints. miR-155 deletion in adult (but not aged) mice reduced mechanical hypersensitivity at 7 and 14 d post-SCI. Therefore, aging predisposes mice to SCI-elicited spontaneous pain and expedited mortality. miR-155 deletion in adult mice reduces evoked pain symptoms, and miR-155 deletion in aged mice reduces spontaneous pain and expedited mortality post-SCI. This study highlights the importance of studying geriatric models of SCI, and that inflammatory mediators such as miR-155 are promising targets after SCI for improving pain relief and longevity.
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Affiliation(s)
- Andrew D Gaudet
- Department of Psychology, College of Liberal Arts, University of Texas at Austin, Austin, TX 78712, USA; Department of Neurology, Dell Medical School, University of Texas at Austin, Austin, TX 78712, USA; Institute for Neuroscience, University of Texas at Austin, Austin, TX 78712, USA; Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA; Center for Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA.
| | - Laura K Fonken
- Institute for Neuroscience, University of Texas at Austin, Austin, TX 78712, USA; Division of Pharmacology and Toxicology, University of Texas at Austin, Austin, TX 78712, USA; Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA; Center for Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA.
| | - Monica T Ayala
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA; Center for Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA.
| | - Steven F Maier
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA; Center for Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA.
| | - Linda R Watkins
- Department of Psychology and Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA; Center for Neuroscience, University of Colorado Boulder, 2860 Wilderness Place, UCB 603, Boulder, CO 80301, USA.
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20
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Gao P, Zeng X, Zhang L, Wang L, Shen LL, Hou YY, Zhou F, Zhang X. Overexpression of miR-378 Alleviates Chronic Sciatic Nerve Injury by Targeting EZH2. Neurochem Res 2021; 46:3213-3221. [PMID: 34406548 DOI: 10.1007/s11064-021-03424-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 07/12/2021] [Accepted: 08/06/2021] [Indexed: 11/25/2022]
Abstract
In numerous studies, microRNAs (miRNAs) have been authenticated to play vital roles in the pathophysiology of neuropathic pain and other neurological diseases. In our study, we focused on evaluating miR-378 and its potential effects in neuropathic pain development, as well as the underlying molecular mechanisms. Primarily, a chronic sciatic nerve injury (CCI) rat model was established. Next, reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was employed to measure the expression levels of miR-378 and EZH2 mRNA; the EZH2 protein expression levels were detected by western blot. A luciferase activity assay monitored the interaction of miR-378 and EZH2. Mechanical and thermal hyperalgesia was also performed to quantitate the effects of overexpression of miR-378 or EZH2 on the CCI rats. We found that miR-378 was down-regulated in the CCI rats, and the overexpression of miR-378 produced significant relief in their pain management. EZH2 was the downstream gene of miR-378 and was negatively regulated by miR-378. The up-regulation of EZH2 reduced the inhibitory effects of miR-378 on the development of neuropathic pain in the CCI rats. miR-378 acts as an inhibitor in the progression of neuropathic pain via targeting EZH2; the miR-378/EZH2 axis may be a novel target for the diagnosis and therapy of neuropathic pain in clinical treatment.
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Affiliation(s)
- Pengfei Gao
- Department of Anesthesiology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, China
| | - Xin Zeng
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Hubei Province, Wuhan, China
| | - Lin Zhang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Hubei Province, Wuhan, China
| | - Long Wang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Hubei Province, Wuhan, China
| | - Lu-Lu Shen
- Department of Anesthesiology, Huai'an Second People's Hospital and The Affiliated Huai'an Hospital of Xuzhou Medical University, 66 Huaihai South Road, Huai'an, Jiangsu, China
| | - Ya-Yun Hou
- Department of Anesthesiology, Huai'an Hospital of Traditional Chinese Medicine, 3 Heping Road, Huai'an, Jiangsu, China
| | - Fang Zhou
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Hubei Province, Wuhan, China
| | - Xianlong Zhang
- Department of Anesthesiology, The Affiliated Huai'an No.1 People's Hospital of Nanjing Medical University, Huai'an, Jiangsu, China.
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21
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Giordano R, Petersen KK, Santoro M, Pazzaglia C, Simonsen O, Valeriani M, Arendt-Nielsen L. Circulating long non-coding RNA signature in knee osteoarthritis patients with postoperative pain one-year after total knee replacement. Scand J Pain 2021; 21:823-830. [PMID: 34323060 DOI: 10.1515/sjpain-2021-0069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 07/05/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVES The incidence of chronic postoperative pain after total knee replacement (TKR) is approx. 20%, and hence preoperative risk factors are important to identify. Recent studies have indicated that preoperative inflammatory markers might hold prognostic information for the development of chronic postoperative pain. Long non-coding RNA (lncRNA) regulates the expression of genes related to e.g. inflammatory processes. The current study aimed to investigate the preoperative lncRNA signature as possible preoperative predictive markers for chronic postoperative pain following TKR. METHODS Serum samples, collected preoperatively from 20 knee osteoarthritis (KOA) patients, were analyzed for 84 validated circulatory lncRNA. Pain intensity was assessed using a visual analog scale (VAS) before and one-year after TKR. Differences for the lncRNA expression were analyzed between patients with chronic postoperative pain (VAS≥3) and those with a normal postoperative recovery (VAS<3). RESULTS LncRNA Myeloid Zinc Finger 1 Antisense RNA 1 (MZF1-AS1) (fold change -3.99; p-value: 0.038) (shown to be involved neuropathic pain) Metastasis associated lung adenocarcinoma transcript 1 (MALAT1) (fold change -3.39; p-value: 0.044) (shown to be involved neuropathic pain); Patched 1 pseudogene (LOC100287846) (fold change -6.99; p-value: 0.029) (unknown in pain) were down-regulated preoperatively in the group with chronic postoperative pain compared to the group normal postoperative pain recovery. CONCLUSIONS These findings suggest, that TKR patients with chronic postoperative pain present preoperative downregulations of three specific lncRNA detectable at the systemic level. The presented study might give new insights into the complexity of chronic postoperative pain development and show how non-coding RNA plays a role in the underlying molecular mechanisms of pain.
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Affiliation(s)
- Rocco Giordano
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Aalborg, Denmark
| | - Kristian Kjær Petersen
- Department of Health Science and Technology, Faculty of Medicine, Center for Neuroplasticity and Pain (CNAP), SMI, Aalborg University, Aalborg, Denmark.,Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg, Denmark
| | - Massimo Santoro
- Laboratory "Health and Environment" Division of Health Protection Technologies, ENEA-Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Rome, Italy
| | - Costanza Pazzaglia
- Unit of High Intensity Neurorehabilitation, Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Italy
| | - Ole Simonsen
- Orthopedic Surgery Research Unit, Aalborg University Hospital, Aalborg, Denmark
| | - Massimiliano Valeriani
- Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg, Denmark.,Department of Neuroscience and Neurorehabilitation, Child Neurology Unit, Headache Center, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy
| | - Lars Arendt-Nielsen
- Department of Health Science and Technology, Faculty of Medicine, Center for Sensory-Motor Interaction (SMI), Aalborg University, Aalborg, Denmark
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22
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Giordano R, Petersen KK, Andersen HH, Lichota J, Valeriani M, Simonsen O, Arendt-Nielsen L. Preoperative serum circulating microRNAs as potential biomarkers for chronic postoperative pain after total knee replacement. Mol Pain 2021; 16:1744806920962925. [PMID: 33021154 PMCID: PMC7543153 DOI: 10.1177/1744806920962925] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Background Chronic postoperative pain affects approximately 20% of patients with knee
osteoarthritis after total knee replacement. Circulating microRNAs can be
found in serum and might act as biomarkers in a variety of diseases. The
current study aimed to investigate the preoperative expression of
circulating microRNAs as potential predictive biomarkers for the development
of chronic postoperative pain in the year following total knee
replacement. Methods Serum samples, collected preoperatively from 136 knee osteoarthritis
patients, were analyzed for 21 circulatory microRNAs. Pain intensity was
assessed using a visual analog scale before and one year after total knee
replacement. Patients were divided into a low-pain relief group (pain relief
percentage <30%) and a high-pain relief group (pain relief percentage
>30%) based on their pain relief one year after total knee replacement,
and differences in microRNAs expression were analyzed between the two
groups. Results We found that three microRNAs were preoperatively dysregulated in serum in
the low-pain relief group compared with the high-pain relief group.
MicroRNAs hsa-miR-146a-5p, -145-5p, and -130 b-3p exhibited fold changes of
1.50, 1.55, and 1.61, respectively, between the groups (all P
values < 0.05). Hsa-miR-146a-5p and preoperative pain intensity
correlated positively with postoperative pain relief (respectively,
R = 0.300, P = 0.006; R = 0.500, P < 0.001). Discussion This study showed that patients with a low postoperative pain relief present
a dysregulation of circulating microRNAs. Altered circulatory microRNAs
expression correlated with postoperative pain relief, indicating that
microRNAs can serve as predictive biomarkers of pain outcome after surgery
and hence may foster new strategies for preventing chronic postoperative
pain after total knee replacement (TKR).
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Affiliation(s)
- Rocco Giordano
- Center for Neuroplasticity and Pain, SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Kristian Kjær Petersen
- Center for Neuroplasticity and Pain, SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Center for Sensory-Motor Interaction, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Hjalte Holm Andersen
- Center for Sensory-Motor Interaction, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Jacek Lichota
- Laboratory of Metabolism Modifying Medicine, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
| | - Massimiliano Valeriani
- Center for Sensory-Motor Interaction, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark.,Child Neurology Unit, Department of Neuroscience and Neurorehabilitation, Headache Center, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Ole Simonsen
- Orthopedic Surgery Research Unit, Aalborg University Hospital, Aalborg, Denmark
| | - Lars Arendt-Nielsen
- Center for Sensory-Motor Interaction, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark
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23
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Maciak K, Dziedzic A, Miller E, Saluk-Bijak J. miR-155 as an Important Regulator of Multiple Sclerosis Pathogenesis. A Review. Int J Mol Sci 2021; 22:ijms22094332. [PMID: 33919306 PMCID: PMC8122504 DOI: 10.3390/ijms22094332] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/05/2021] [Accepted: 04/17/2021] [Indexed: 02/07/2023] Open
Abstract
Multiple sclerosis (MS) is a chronic, immune-mediated disease and the leading cause of disability among young adults. MicroRNAs (miRNAs) are involved in the post-transcriptional regulation of gene expression. Of them, miR-155 is a crucial regulator of inflammation and plays a role in modulating the autoimmune response in MS. miR-155 is involved in blood–brain barrier (BBB) disruption via down-regulation of key junctional proteins under inflammatory conditions. It drives demyelination processes by contributing to, e.g., microglial activation, polarization of astrocytes, and down-regulation of CD47 protein and affecting crucial transcription factors. miR-155 has a huge impact on the development of neuropathic pain and indirectly influences a regulatory T (Treg) cell differentiation involved in the alleviation of pain hypersensitivity. This review also focused on neuropsychiatric symptoms appearing as a result of disease-associated stressors, brain atrophy, and pro-inflammatory factors. Recent studies revealed the role of miR-155 in regulating anxiety, stress, inflammation in the hippocampus, and treatment-resistant depression. Inhibition of miR-155 expression was demonstrated to be effective in preventing processes involved in the pathophysiology of MS. This review aimed to support the better understanding the great role of miR-155 dysregulation in various aspects of MS pathophysiology and highlight future perspectives for this molecule.
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Affiliation(s)
- Karina Maciak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (K.M.); (J.S.-B.)
| | - Angela Dziedzic
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (K.M.); (J.S.-B.)
- Correspondence:
| | - Elzbieta Miller
- Department of Neurological Rehabilitation, Medical University of Lodz, Milionowa 14, 93-113 Lodz, Poland;
| | - Joanna Saluk-Bijak
- Department of General Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Pomorska 141/143, 90-236 Lodz, Poland; (K.M.); (J.S.-B.)
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24
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Fakhri S, Abbaszadeh F, Jorjani M. On the therapeutic targets and pharmacological treatments for pain relief following spinal cord injury: A mechanistic review. Biomed Pharmacother 2021; 139:111563. [PMID: 33873146 DOI: 10.1016/j.biopha.2021.111563] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 03/29/2021] [Accepted: 03/31/2021] [Indexed: 12/11/2022] Open
Abstract
Spinal cord injury (SCI) is globally considered as one of the most debilitating disorders, which interferes with daily activities and life of the affected patients. Despite many developments in related recognizing and treating procedures, post-SCI neuropathic pain (NP) is still a clinical challenge for clinicians with no distinct treatments. Accordingly, a comprehensive search was conducted in PubMed, Medline, Scopus, Web of Science, and national database (SID and Irandoc). The relevant articles regarding signaling pathways, therapeutic targets and pharmacotherapy of post-SCI pain were also reviewed. Data were collected with no time limitation until November 2020. The present study provides the findings on molecular mechanisms and therapeutic targets, as well as developing the critical signaling pathways to introduce novel neuroprotective treatments of post-SCI pain. From the pathophysiological mechanistic point of view, post-SCI inflammation activates the innate immune system, in which the immune cells elicit secondary injuries. So, targeting the critical signaling pathways for pain management in the SCI population has significant importance in providing new treatments. Indeed, several receptors, ion channels, excitatory neurotransmitters, enzymes, and key signaling pathways could be used as therapeutic targets, with a pivotal role of n-methyl-D-aspartate, gamma-aminobutyric acid, and inflammatory mediators. The current review focuses on conventional therapies, as well as crucial signaling pathways and promising therapeutic targets for post-SCI pain to provide new insights into the clinical treatment of post-SCI pain. The need to develop innovative delivery systems to treat SCI is also considered.
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Affiliation(s)
- Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Fatemeh Abbaszadeh
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Masoumeh Jorjani
- Neurobiology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Pharmacology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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25
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Epigenetic modification of BDNF mediates neuropathic pain via miR-30a-3p/EP300 axis in CCI rats. Biosci Rep 2021; 40:226778. [PMID: 33103739 PMCID: PMC7670569 DOI: 10.1042/bsr20194442] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 09/08/2020] [Accepted: 09/22/2020] [Indexed: 12/15/2022] Open
Abstract
Recent investigation of microRNAs on chronic pain has developed a breakthrough in neuropathic pain management. In the present study, decreased expression of miR-30a-3p was reported using qRT-PCR analysis and loss of miR-30a-3p promoted neuropathic pain progression in sciatic nerve chronic constrictive injury rats through determining the pain threshold. We predicted miR-30a-3p could target E-cadherin transcriptional activator (EP300) via bioinformatics analysis. Meanwhile, we found that brain-derived neurotrophic factor (BDNF) is involved in neuropathic pain. Here, we exhibited that EP300 epigenetically up-regulated BDNF via enhancing acetylated histone H3 and H4 on the promoter. For another, miR-30a-3p was able to modify the level of BDNF and acetylated histone H3 and H4. Loss of miR-30a-3p enhanced EP300 and BDNF colocalization in CCI rats. Subsequently, it was shown that increased EP300 induced neuropathic pain by an enhancement of neuronal BDNF level in vivo. To sum up, it was revealed that epigenetic modification of BDNF promoted neuropathic pain via EP300 induced by miR-30a-3p in CCI rats.
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26
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Tao S, Zhou Y, Ni J. Downregulated
microRNA
‐106 inhibits apoptosis and promotes proliferation and differentiation of chondrocytes in osteoarthritis through restraining the activation of Wnt/β‐catenin pathway. Kaohsiung J Med Sci 2020. [DOI: 10.1002/kjm2.12300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Affiliation(s)
- Si‐Yi Tao
- Department of Orthopedics The Second Xiangya Hospital of Central South University Changsha Hunan China
| | - Yan‐Lin Zhou
- Department of Orthopedics The Second Xiangya Hospital of Central South University Changsha Hunan China
| | - Jiang‐Dong Ni
- Department of Orthopedics, Chief Physician The Second Xiangya Hospital of Central South University Changsha Hunan China
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27
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Tang S, Jing H, Song F, Huang H, Li W, Xie G, Zhou J. MicroRNAs in the Spinal Microglia Serve Critical Roles in Neuropathic Pain. Mol Neurobiol 2020; 58:132-142. [PMID: 32902792 DOI: 10.1007/s12035-020-02102-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Accepted: 08/26/2020] [Indexed: 02/06/2023]
Abstract
Neuropathic pain (NP) can occur after peripheral nerve injury (PNI), and it can be converted into a maladaptive, detrimental phenotype that causes a long-term state of pain hypersensitivity. In the last decade, the discovery that dysfunctional microglia evoke pain, called "microgliopathic pain," has challenged traditional neuronal views of "pain" and has been extensively explored. Recent studies have shown that microRNAs (miRNAs) can act as activators or inhibitors of spinal microglia in NP conditions. We first briefly review spinal microglial activation in NP. We then comprehensively describe miRNA expression changes and their potential mechanisms in the response of microglia to nerve injury. We summarize the roles of the following two representative miRNAs: miR-124, which reverses NP by keeping microglia quiescent, and miR-155, which promotes NP following microglial activation. Finally, we focused on the therapeutic potential of microglial miRNAs in NP. The findings we summarized may be essential tools for basic research and clinical treatment of NP.
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Affiliation(s)
- Simin Tang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, People's Republic of China
- Sun Yat-sen University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Huan Jing
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, People's Republic of China
- ZunYi Medical University, ZunYi, 563100, Guizhou Province, People's Republic of China
| | - Fuhu Song
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Haicheng Huang
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Wenjun Li
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Guiling Xie
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China
| | - Jun Zhou
- Department of Anesthesiology, The Third Affiliated Hospital of Southern Medical University, Guangzhou, 510000, Guangdong Province, People's Republic of China.
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28
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Reyes-Long S, Cortes-Altamirano JL, Clavijio-Cornejo D, Gutiérrez M, Bertolazzi C, Bandala C, Pineda C, Alfaro-Rodríguez A. Nociceptive related microRNAs and their role in rheumatoid arthritis. Mol Biol Rep 2020; 47:7265-7272. [PMID: 32740794 DOI: 10.1007/s11033-020-05700-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Accepted: 07/26/2020] [Indexed: 12/20/2022]
Abstract
Rheumatoid Arthritis (RA) is an autoimmune disease with unknown etiology and a global incidence around 1%, a positive family history increases the risk of RA roughly three to five times. Pain is one of the first symptoms to appear in this disease. MicroRNAs (miRNAs) belong to the class of small non-coding RNAs; they regulate multiple cellular processes including embryonic development, cellular proliferation, differentiation and apoptosis among others. A great deal of evidence points to the employment of miRNAs as therapeutic targets and biomarkers for several pathologies. The main objective of this Review is to assess how miRNAs participate in the pathogenesis of RA. Two advanced searches were conducted in databases, one using "micro-RNA" and "rheumatoid arthritis" as key words, and another one with "micro-RNA", "pain" and "nociception". In this Review, we describe how six miRNAs: miR-16-5p, miR-23b-3b, miR-124-3p, miR-146a-5p, miR-155-5p and miR-223-3p, involved in the modulation and transmission of the nociceptive input are unregulated in RA patients. Key molecular pathways involved in nociception, inflammation and autoimmune responses, are regulated by these miRNAs; the NF-κB, TNF-α, interleukins and TLR4. By means of gene repression, the miRNAs here described modulate the nociceptive process as well as the autoimmune response that characterize this disease.
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Affiliation(s)
- S Reyes-Long
- Department of Neurosciences, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389, Mexico City, Mexico.,Escuela Superior de Medicina, Instituto Politécnico Nacional, Salvador Díaz Mirón, Col. Casco de Santo Tomas, 11340, Mexico City, Mexico
| | - J L Cortes-Altamirano
- Department of Neurosciences, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389, Mexico City, Mexico
| | - D Clavijio-Cornejo
- Department of Musculoskeletal and Rheumatic Diseases, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico
| | - M Gutiérrez
- Department of Musculoskeletal and Rheumatic Diseases, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico
| | - C Bertolazzi
- Department of Musculoskeletal and Rheumatic Diseases, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico
| | - C Bandala
- Department of Neurosciences, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389, Mexico City, Mexico.,Escuela Superior de Medicina, Instituto Politécnico Nacional, Salvador Díaz Mirón, Col. Casco de Santo Tomas, 11340, Mexico City, Mexico
| | - C Pineda
- Department of Musculoskeletal and Rheumatic Diseases, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Mexico City, Mexico
| | - A Alfaro-Rodríguez
- Department of Neurosciences, Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra", Calzada México-Xochimilco 289, Col. Arenal de Guadalupe, Del. Tlalpan, 14389, Mexico City, Mexico.
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29
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Song G, Yang Z, Guo J, Zheng Y, Su X, Wang X. Interactions Among lncRNAs/circRNAs, miRNAs, and mRNAs in Neuropathic Pain. Neurotherapeutics 2020; 17:917-931. [PMID: 32632773 PMCID: PMC7609633 DOI: 10.1007/s13311-020-00881-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Neuropathic pain (NP) is directly caused by an injury or disease of the somatosensory nervous system. It is a serious type of chronic pain that is a burden to the economy and public health. Although recent studies have improved our understanding of NP, its pathogenesis has not been fully elucidated. Noncoding RNAs, including lncRNAs, circRNAs, and miRNAs, are involved in the pathological development of NP through many mechanisms. In addition, extensive evidence suggests that novel regulatory mechanisms among lncRNAs/circRNAs, miRNAs, and mRNAs play a crucial role in the pathophysiological process of NP. In this review, we comprehensively summarize the regulatory relationship among lncRNAs/circRNAs, miRNAs, and mRNAs and emphasize the important role of the lncRNA/circRNA-miRNA-mRNA axis in NP.
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Affiliation(s)
- Ge Song
- Department of Sport Rehabilitation, Shanghai University of Sport, 188 Hengren Road, Shanghai, 200438, China
| | - Zheng Yang
- Department of Sport Rehabilitation, Shanghai University of Sport, 188 Hengren Road, Shanghai, 200438, China
| | - Jiabao Guo
- Department of Sport Rehabilitation, Shanghai University of Sport, 188 Hengren Road, Shanghai, 200438, China
| | - Yili Zheng
- Department of Sport Rehabilitation, Shanghai University of Sport, 188 Hengren Road, Shanghai, 200438, China
| | - Xuan Su
- Department of Sport Rehabilitation, Shanghai University of Sport, 188 Hengren Road, Shanghai, 200438, China
| | - Xueqiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, 188 Hengren Road, Shanghai, 200438, China.
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30
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Qian Z, Chang J, Jiang F, Ge D, Yang L, Li Y, Chen H, Cao X. Excess administration of miR-340-5p ameliorates spinal cord injury-induced neuroinflammation and apoptosis by modulating the P38-MAPK signaling pathway. Brain Behav Immun 2020; 87:531-542. [PMID: 32014577 DOI: 10.1016/j.bbi.2020.01.025] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2020] [Accepted: 01/30/2020] [Indexed: 12/13/2022] Open
Abstract
Spinal cord injury (SCI) is a destructive polyneuropathy that can result in loss of sensorimotor function and sphincter dysfunction, and even death in critical situations. MicroRNAs (miRs) are a series of non-coding RNA molecules that are involved in transcriptional regulation. Previous studies have demonstrated that modulation of multiple miRs is involved in neurological recovery after SCI. However, the functions of miR-340-5p in SCI remain uncertain. Therefore, we probed the therapeutic effect and mechanism of miR-340-5p in microglia in vitro and in vivo in SCI rats. Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blotting were employed to examine the alterations in miR-340-5p and P38 levels in SCI rats. miR-340-5p targets in microglia were ascertained using luciferase reporter assays, immunofluorescence analyses, and western blotting. We also established an SCI model and administered miR-340-5p. The effects of miR-340-5p on the amelioration of inflammation, oxidative stress, and apoptosis following SCI were assessed using immunofluorescence, immunohistochemistry, and histological analyses. Finally, locomotor function recovery was determined using the Basso, Beattie, Bresnahan rating scale. In our study, the expression profiles and luciferase assay results clarified that P38 was a target of miR-340-5p, which was associated with activation of the P38-MAPK signaling pathway. Elevation of miR-340-5p decreased P38 expression, subsequently inhibiting the inflammatory reaction. SCI-induced secondary neuroinflammation was relieved under miR-340-5p treatment. Moreover, by controlling neuroinflammation, the increased levels of miR-340-5p might counter oxidative stress and reduce the degree of apoptosis. We also observed decreasing gliosis and glial scar formation and increasing neurotrophin expression at the chronic stage of SCI. Together, these potential effects of miR-340-5p treatment ultimately improved locomotor function recovery in SCI rats.
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Affiliation(s)
- Zhanyang Qian
- Department of Orthopedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Jie Chang
- Department of Orthopedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Fan Jiang
- Department of Orthopedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Dawei Ge
- Department of Orthopedics, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Lei Yang
- Department of Orthopedics, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - You Li
- Department of Orthopedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China
| | - Hongtao Chen
- Department of Orthopedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
| | - Xiaojian Cao
- Department of Orthopedics, the First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
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31
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Cata JP, Gorur A, Yuan X, Berg NK, Sood AK, Eltzschig HK. Role of Micro-RNA for Pain After Surgery. Anesth Analg 2020; 130:1638-1652. [DOI: 10.1213/ane.0000000000004767] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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32
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Non-coding RNA regulators of diabetic polyneuropathy. Neurosci Lett 2020; 731:135058. [PMID: 32454150 DOI: 10.1016/j.neulet.2020.135058] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 02/08/2023]
Abstract
Diabetic polyneuropathy is a common and disturbing complication of diabetes mellitus, presenting patients and caregivers with a substantial disease burden. Emerging mechanisms which are underlying diabetes may provide novel pathways to understand diabetic polyneuropathy (DPN). Specifically, non-coding RNA molecules consisting of microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) are implicated in the biological processes underlying DPN, and may link it to clinical spheres such as other metabolic and neural pathologies. Here, we elaborate on several candidate non-coding RNAs which may be associated with DPN via regulatory roles governing phenomena related to inflammatory, pain-provoking, and metabolic syndrome pathways. Specific examples include miRNAs such as miR-106a, -146a, -9, -29b, -466a, and -98; likewise, lncRNAs MIAT, PVT1, H19, MEG3, and MALAT1 are implicated, often co-affecting the involved pathways. Incorporating newly discovered regulators into what we know about specific clinical applications may highlight novel avenues for diagnosis, prevention, and intervention with DPN.
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Wilkerson JL, Jiang J, Felix JS, Bray JK, da Silva L, Gharaibeh RZ, McMahon LR, Schmittgen TD. Alterations in mouse spinal cord and sciatic nerve microRNAs after the chronic constriction injury (CCI) model of neuropathic pain. Neurosci Lett 2020; 731:135029. [PMID: 32380144 DOI: 10.1016/j.neulet.2020.135029] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 04/28/2020] [Accepted: 04/30/2020] [Indexed: 02/07/2023]
Abstract
Pain is one of the most common reasons to seek medical attention and chronic pain is a worldwide epidemic. There are currently no relevant biomarkers for the diagnosis of chronic pain, and new therapeutic strategies for chronic pain treatment are desperately needed. The chronic constriction injury (CCI) of the sciatic nerve is a widely used preclinical model of pathological neuropathic pain. Over the past decade, investigators have come to appreciate the many contributions of noncoding RNA including microRNA (miRNA), and other long and short noncoding (nc) RNAs. The development and/or maintenance of chronic pain could be controlled epigenetically through ncRNAs. Here we seek to characterize CNS tissues in a mouse model of neuropathic pain as this may serve to elucidate potential biomarkers relevant to pathological pain in humans. Male C57BL6/J mice (6 CCI and 6 sham procedure) underwent surgery for sciatic nerve ligation with chromic gut sutures. Following 7 days, mechanical allodynia was quantified using the von Frey assay. Mice were then euthanized for collection of spinal cord and sciatic nerve. cDNA was synthesized to 627 unique mature miRNAs from the total RNA. In the CCI mice that displayed mechanical allodynia, 11 and 125 miRNAs were differentially expressed (i.e., greater than 1.5-fold increase or decrease; P < 0.05) in the spinal cord and sciatic nerve, respectively, as compared to sham controls. Among those differentially expressed miRNAs in the sciatic nerve of CCI mice, the following passed the more stringent Bonfferoni correction: miR-138-3p, miR-138-5p and miR-676-3p, reduced and miR-142-5p, increased. Our data support miRNAs as promising therapeutic targets for the treatment of pathological pain.
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Affiliation(s)
- Jenny L Wilkerson
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, USA.
| | - Jinmai Jiang
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL, USA
| | - Jasmine S Felix
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, USA
| | - Julie K Bray
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL, USA
| | - Lais da Silva
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL, USA
| | - Raad Z Gharaibeh
- Department of Medicine, University of Florida, Gainesville, FL, USA
| | - Lance R McMahon
- Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL, USA
| | - Thomas D Schmittgen
- Department of Pharmaceutics, College of Pharmacy, University of Florida, Gainesville, FL, USA.
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Non-coding RNAs in neuropathic pain. Neuronal Signal 2020; 4:NS20190099. [PMID: 32587755 PMCID: PMC7306520 DOI: 10.1042/ns20190099] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 03/31/2020] [Accepted: 04/02/2020] [Indexed: 02/07/2023] Open
Abstract
Neuro-immune alterations in the peripheral and central nervous system play a role in the pathophysiology of chronic pain in general, and members of the non-coding RNA (ncRNA) family, specifically the short, 22 nucleotide microRNAs (miRNAs) and the long non-coding RNAs (lncRNAs) act as master switches orchestrating both immune as well as neuronal processes. Several chronic disorders reveal unique ncRNA expression signatures, which recently generated big hopes for new perspectives for the development of diagnostic applications. lncRNAs may offer perspectives as candidates indicative of neuropathic pain in liquid biopsies. Numerous studies have provided novel mechanistic insight into the role of miRNAs in the molecular sequelae involved in the pathogenesis of neuropathic pain along the entire pain pathway. Specific processes within neurons, immune cells, and glia as the cellular components of the neuropathic pain triad and the communication paths between them are controlled by specific miRNAs. Therefore, nucleotide sequences mimicking or antagonizing miRNA actions can provide novel therapeutic strategies for pain treatment, provided their human homologues serve the same or similar functions. Increasing evidence also sheds light on the function of lncRNAs, which converge so far mainly on purinergic signalling pathways both in neurons and glia, and possibly even other ncRNA species that have not been explored so far.
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Duan Z, Zhang J, Li J, Pang X, Wang H. Inhibition of microRNA-155 Reduces Neuropathic Pain During Chemotherapeutic Bortezomib via Engagement of Neuroinflammation. Front Oncol 2020; 10:416. [PMID: 32296644 PMCID: PMC7141419 DOI: 10.3389/fonc.2020.00416] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 03/10/2020] [Indexed: 02/01/2023] Open
Abstract
As a chemotherapeutic agent, bortezomib (BTZ) is used for the treatment of multiple myeloma with adverse effect of painful peripheral neuropathy. Our current study was to determine the inhibitory effects of blocking microRNA-155 (miR-155) signal on BTZ-induced neuropathic pain and the underlying mechanisms. We employed real time RT-PCR and western blot analysis to examine the miR-155 and expression of pro−inflammatory tumor necrosis factor-α receptor (TNFR1) in the dorsal horn of the spinal cord. Its downstream signals p38-MAPK and JNK and transient receptor potential ankyrin 1 (TRPA1) were also determined. Mechanical pain and cold sensitivity were assessed by behavioral test. In result, inhibition of miR-155 significantly attenuated mechanical allodynia and thermal hyperalgesia in BTZ rats, which was accompanied with decreasing expression of TNFR1, p38-MAPK, JNK, and TRPA1. In contrast, miRNA-155 mimics amplified TNFR1-TRPA1 pathway and augmented mechanical pain and cold sensitivity. In addition, mechanical and thermal hypersensitivity induced by miRNA-155 mimics were attenuated after blocking TNFR1, p38-MAPK, JNK, and TRPA1. Overall, we show the key role of miR-155 in modifying BTZ-induced neuropathic pain through TNFR1-TRPA1 pathway, suggesting that miR-155 is a potential target in preventing neuropathic pain development during intervention of BTZ.
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Affiliation(s)
- Zongsheng Duan
- Department of Anesthesiology, The First Hospital of Jilin University, Changchun, China
| | - Jian Zhang
- Department of Anesthesiology, The First Hospital of Jilin University, Changchun, China
| | - Jing Li
- Department of Radiology, The Second Part of The First Hospital of Jilin University, Changchun, China
| | - Xiaochuan Pang
- Clinical Laboratory, The First Hospital of Jilin University, Changchun, China
| | - Hushan Wang
- Department of Anesthesiology, The First Hospital of Jilin University, Changchun, China
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Lee T, Mohammadniaei M, Zhang H, Yoon J, Choi HK, Guo S, Guo P, Choi J. Single Functionalized pRNA/Gold Nanoparticle for Ultrasensitive MicroRNA Detection Using Electrochemical Surface-Enhanced Raman Spectroscopy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1902477. [PMID: 32042566 PMCID: PMC7001639 DOI: 10.1002/advs.201902477] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 11/14/2019] [Indexed: 05/07/2023]
Abstract
Controlling the selective one-to-one conjugation of RNA with nanoparticles is vital for future applications of RNA nanotechnology. Here, the monofunctionalization of a gold nanoparticle (AuNP) with a single copy of RNA is developed for ultrasensitive microRNA-155 quantification using electrochemical surface-enhanced Raman spectroscopy (EC-SERS). A single AuNP is conjugated with one copy of the packaging RNA (pRNA) three-way junction (RNA 3WJ). pRNA 3WJ containing one strand of the 3WJ is connected to a Sephadex G100 aptamer and a biotin group at each arm (SEPapt/3WJ/Bio) which is then immobilized to the Sephadex G100 resin. The resulting complex is connected to streptavidin-coated AuNP (STV/AuNP). Next, the STV/AuNP-Bio/3WJa is purified and reassembled with another 3WJ to form a single-labeled 3WJ/AuNP. Later, the monoconjugate is immobilized onto the AuNP-electrodeposited indium tin oxide coated substrate for detecting microRNA-155 based on EC-SERS. Application of an optimum potential of +0.2 V results in extraordinary amplification (≈7 times) of methylene blue (reporter) SERS signal compared to the normal SERS signal. As a result, a highly sensitive detection of 60 × 10-18 m microRNA-155 in 1 h in serum based on monoconjugated AuNP/RNA is achieved. Thus, the monofunctionalization of RNA onto nanoparticle can provide a new methodology for biosensor construction and diverse RNA nanotechnology development.
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Affiliation(s)
- Taek Lee
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
- Department of Chemical EngineeringKwangwoon University20 Kwangwoon‐Ro, Nowon‐GuSeoul01897Republic of Korea
| | - Mohsen Mohammadniaei
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
| | - Hui Zhang
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
| | - Jinho Yoon
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
| | - Hye Kyu Choi
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
| | - Sijin Guo
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
| | - Peixuan Guo
- College of PharmacyCollege of Medicine/Department of Physiology and Cell Biology/Dorothy M. Davis Heart and Lung Research InstituteOhio State UniversityColumbusOH43210USA
| | - Jeong‐Woo Choi
- Department of Chemical and Biomolecular EngineeringSogang University35 Baekbeom‐ro, Mapo‐guSeoul121‐742Republic of Korea
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Chen A, Wen J, Lu C, Lin B, Xian S, Huang F, Wu Y, Zeng Z. Inhibition of miR‑155‑5p attenuates the valvular damage induced by rheumatic heart disease. Int J Mol Med 2019; 45:429-440. [PMID: 31894293 PMCID: PMC6984794 DOI: 10.3892/ijmm.2019.4420] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Accepted: 11/20/2019] [Indexed: 12/26/2022] Open
Abstract
Autoimmunity is involved in the valvular damage caused by rheumatic heart disease (RHD). Increased evidence has linked microRNAs (miRNAs/miRs) to autoimmune disease. Signal transducer and activator of transcription 3 (STAT3) and sphingosine-1-phosphate receptor 1 (S1PR1) and suppressor of cytokine signaling 1 (SOCS1) have been widely studied for their roles in autoimmunity and inflammation. Thus, the current study aims to investigate the role played by miR-155-5p in RHD-induced valvular damage via the S1PR1, SOCS1/STAT3 and interleukin (IL)-6/STAT3 signaling pathways. An RHD rat model was induced by inactivated Group A streptococci and complete Freund's adjuvant. A recombinant adeno-associated virus (AAV-miR155-inhibitor) was used to inhibit the expression of miR-155-5p in the heart. Inflammation and fibrosis were assessed by hematoxylin and eosin staining and Sirius red staining. The expression of miR-155-5p in valvular tissues and serum exosomes was detected by reverse transcription-quantitative PCR. S1PR1, SOCS1, STAT3, phosphorylated STAT3, IL-6 and IL-17 protein expression was detected by western blotting and immunohistochemistry. The relationships between miR-155-5p and S1PR1 and SOCS1 were detected by dual luciferase assays. Cytokine concentrations were measured by ELISA. The expression of miR-155-5p in valve tissues and serum exosomes was increased along with decreased S1PR1 and activated SOCS1/STAT3 signaling in the RHD model. The expression of IL-6 and IL-17 was increased in the valves and the serum. Dual luciferase assays showed that miR-155-5p directly targeted S1PR1 and SOCS1. Inhibition of valvular miR-155-5p through AAV pretreatment increased S1PR1 expression and inhibited activation of the SOCS1/STAT3 signal pathway as a result of attenuated valvular inflammation and fibrosis as well as a decrease in IL-6 and IL-17 in the valves and serum. These results suggest that inhibition of miR-155-5p can reduce RHD-induced valvular damage via the S1PR1, SOCS1/STAT3 and IL-6/STAT3 signaling pathways.
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Affiliation(s)
- Ang Chen
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Jianlin Wen
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Chuanghong Lu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Beiyou Lin
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Shenglin Xian
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Feng Huang
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Yunjiao Wu
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Zhiyu Zeng
- Department of Cardiology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
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Gulei D, Raduly L, Broseghini E, Ferracin M, Berindan-Neagoe I. The extensive role of miR-155 in malignant and non-malignant diseases. Mol Aspects Med 2019; 70:33-56. [PMID: 31558293 DOI: 10.1016/j.mam.2019.09.004] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 09/13/2019] [Accepted: 09/16/2019] [Indexed: 02/06/2023]
Abstract
MicroRNAs (miRNAs) have rapidly emerged as key molecules in cancer initiation and development, showing the capability to regulate pivotal oncogenic pathways. MiR-155 has gathered an increased attention especially in oncology, but also in non-malignanat pathologies. Nowadays, this noncoding RNA is one of the most important miRNAs in cancer, due to the extensive signaling network associated with it, implication in immune system regulation and also deregulation in disease states. Therefore, numerous research protocols are focused on preclinical modulation of miR-155 for therapeutic purposes, or investigation of its dynamic expression for diagnostic/prognostic assessments, with the final intention of bringing this miRNA into the clinical setting. This review comprehensively presents the extended role of miR-155 in cancer and other pathologies, where its expression is dysregulated. Finally, we assess the future steps toward miR-155 based therapeutics.
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Affiliation(s)
- Diana Gulei
- MEDFUTURE - Research Center for Advanced Medicine, University of Medicine and Pharmacy Iuliu-Hatieganu, Marinescu 23 Street, Cluj-Napoca, Romania.
| | - Lajos Raduly
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, No. 23, 400337, Cluj-Napoca, Romania
| | - Elisabetta Broseghini
- Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, Bologna, Italy
| | - Manuela Ferracin
- Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, No. 23, 400337, Cluj-Napoca, Romania; Department of Experimental, Diagnostic and Specialty Medicine, DIMES, University of Bologna, Bologna, Italy
| | - Ioana Berindan-Neagoe
- MEDFUTURE - Research Center for Advanced Medicine, University of Medicine and Pharmacy Iuliu-Hatieganu, Marinescu 23 Street, Cluj-Napoca, Romania; Research Center for Functional Genomics, Biomedicine and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, Marinescu 23 Street, No. 23, 400337, Cluj-Napoca, Romania; Department of Functional Genomics and Experimental Pathology, The Oncology Institute "Prof. Dr. Ion Chiricuţă", Cluj-Napoca, 400015, Romania.
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Guo JB, Zhu Y, Chen BL, Song G, Peng MS, Hu HY, Zheng YL, Chen CC, Yang JZ, Chen PJ, Wang XQ. Network and pathway-based analysis of microRNA role in neuropathic pain in rat models. J Cell Mol Med 2019; 23:4534-4544. [PMID: 31066224 PMCID: PMC6584487 DOI: 10.1111/jcmm.14357] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 12/18/2018] [Accepted: 04/14/2019] [Indexed: 12/17/2022] Open
Abstract
The molecular mechanisms underlying neuropathic pain (NP) remain poorly understood. Emerging evidence has suggested the role of microRNAs (miRNAs) in the initiation and development of NP, but the specific effects of miRNAs in NP are largely unknown. Here, we use network- and pathway-based methods to investigate NP-induced miRNA changes and their biological functions by conducting a systematic search through multiple electronic databases. Thirty-seven articles meet the inclusion criteria. Venn analysis and target gene forecasting are performed and the results indicate that 167 overlapping target genes are co-regulated by five down-regulated miRNAs (rno-miR-183, rno-miR-96, rno-miR-30b, rno-miR-150 and rno-miR-206). Protein-protein interaction network analysis shows that 77 genes exhibit interactions, with cyclic adenosine monophosphate (cAMP)-dependent protein kinase catalytic subunit beta (degree = 11) and cAMP-response element binding protein 1 (degree = 10) having the highest connectivity degree. Gene ontology analysis shows that these target genes are enriched in neuron part, neuron projection, somatodendritic compartment and nervous system development. Moreover, analysis of Kyoto Encyclopedia of Genes and Genomes reveals that three pathways, namely, axon guidance, circadian entrainment and insulin secretion, are significantly enriched. In addition, rno-miR-183, rno-miR-96, rno-miR-30b, rno-miR-150 and rno-miR-206 are consistently down-regulated in the NP models, thus constituting the potential biomarkers of this disease. Characterizing these miRNAs and their target genes paves way for their future use in clinical practice.
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Affiliation(s)
- Jia-Bao Guo
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yi Zhu
- The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Bing-Lin Chen
- School of Medical Technology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Ge Song
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Meng-Si Peng
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Hao-Yu Hu
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Yi-Li Zheng
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Chang-Cheng Chen
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Jing-Zhao Yang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Pei-Jie Chen
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
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Zhong L, Fu K, Xiao W, Wang F, Shen LL. Overexpression of miR-98 attenuates neuropathic pain development via targeting STAT3 in CCI rat models. J Cell Biochem 2019; 120:7989-7997. [PMID: 30485529 DOI: 10.1002/jcb.28076] [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: 06/19/2018] [Accepted: 10/22/2018] [Indexed: 01/24/2023]
Abstract
MicroRNA (miRNA) are significant regulators of neuropathic pain development and neuroinflammation can contribute a lot to the progression of neuropathic pain. Recently, miR-98 has been reported to be involved in various diseases. However, little is known about the role of miR-98 in neuropathic pain development and neuroinflammation. Therefore, our study was aimed to investigate the function of miR-98 in neuropathic pain via establishing a rat model using chronic constriction injury (CCI) of the sciatic nerve. Here, we observed that miR-98 was downregulated in CCI rat models. Overexpression of miR-9 was able to inhibit neuropathic pain progression. Recently, STAT3 has been reported to serve a key role in various processes, including inflammation. Interestingly, our study indicated that STAT3 was dramatically upregulated and activated in CCI rats. By using informatics analysis, STAT3 was predicted as a direct target of miR-98 and the direct correlation was confirmed. Then, miR-98 was overexpressed in CCI rats and it was found that miR-98 was able to repress neuropathic pain development via inhibiting the neuroinflammation. As displayed, interleukin 6 (IL-6), IL-1β, and tumor necrosis factor-α (TNF-α) expression was obviously induced in CCI rats, while miR-98 reduced their protein levels. Finally, we found that overexpression of STAT3 reversed the inhibitory effect of miR-98 on neuropathic pain development. Taken these together, we reported that overexpression of miR-98 attenuated neuropathic pain development via targeting STAT3 in CCI rat models.
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Affiliation(s)
- Liang Zhong
- Department of Anesthesiology, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science & Technology, Wuhan, China
| | - Kui Fu
- Department of Anesthesiology, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, China
| | - Weimin Xiao
- Department of Anesthesiology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fang Wang
- Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lu-Lu Shen
- Department of Anesthesiology, Huai'an Second People' Hospital and The Affiliated Huai'an Hospital of Xuzhou Medical University, Huai'an, Jiangsu, China
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Miao F, Wang R, Cui G, Li X, Wang T, Li X. Engagement of MicroRNA-155 in Exaggerated Oxidative Stress Signal and TRPA1 in the Dorsal Horn of the Spinal Cord and Neuropathic Pain During Chemotherapeutic Oxaliplatin. Neurotox Res 2019; 36:712-723. [PMID: 31016687 DOI: 10.1007/s12640-019-00039-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 03/29/2019] [Accepted: 04/01/2019] [Indexed: 02/07/2023]
Abstract
Oxaliplatin (OXL) is a third-generation chemotherapeutic agent commonly used to treat metastatic digestive tumors, but one of the main limiting complications of OXL is painful peripheral neuropathy. The present study was to examine the inhibitory effects of blocking microRNA-155 (miR-155) in the dorsal horn of the spinal cord on neuropathic pain induced by OXL in rats and the underlying mechanisms. Behavioral test was performed to examine mechanical pain and cold sensitivity in rats. Real-time RT-PCR and ELISA were employed to determine miR-155 and products of oxidative stress 8-isoprostaglandin F2α (8-iso PGF2α) and 8-hydroxy-2'-deoxyguanosine (8-OHdG) in the dorsal horn. Western blot analysis was used to examine expression of Nrf2-antioxidant response element (Nrf2-ARE), NADPH oxidases (NOXs), and transient receptor potential ankyrin 1 (TRPA1). In results, intrathecal administration of miR-155 inhibitor attenuated mechanical allodynia and cold hyperalgesia in rats with OXL therapy and this was accompanied with restoring of impaired Nrf2-ARE in the dorsal horn. A blockade of miR-155 also attenuated expression of NOX subtype 4 (NOX4) and thereby decreased the levels of 8-iso PGF2α/8-OHdG in the dorsal horn of OXL rats. In addition, inhibiting NOX4 decreased products of oxidative stress in the dorsal horn and attenuated upregulation of TRPA1 induced by OXL. In conclusion, data show the critical role of miR-155 in regulating OXL-induced neuropathic pain likely via oxidative stress-TRPA1 signal pathway, indicating that inhibition of miR-155 has potential benefits in preventing neuropathic pain development during intervention of OXL.
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Affiliation(s)
- Fenghua Miao
- Tumor Center, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Rong Wang
- Department of Gastrointestinal Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, Jilin, China
| | - Guozhen Cui
- Tumor Center, The First Hospital of Jilin University, Changchun, 130021, Jilin, China
| | - Xiaoguang Li
- Department of Gastrointestinal Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, Jilin, China
| | - Ting Wang
- Department of Gastrointestinal Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, Jilin, China.
| | - Xue Li
- Department of Gastrointestinal Surgery, The First Hospital of Jilin University, 71 Xinmin Street, Changchun, 130021, Jilin, China.
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Gao L, Pu X, Huang Y, Huang J. MicroRNA-340-5p relieved chronic constriction injury-induced neuropathic pain by targeting Rap1A in rat model. Genes Genomics 2019; 41:713-721. [PMID: 30848438 DOI: 10.1007/s13258-019-00802-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2018] [Accepted: 02/21/2019] [Indexed: 12/25/2022]
Abstract
OBJECTIVES Neuropathic pain (NP) is one of the main challenges towards NP syndrome treatment. miR-340-5p exhibit different expression levels in NP models. Its effects on NP remained unclear. The objective of this study was to explore the potential regulation mechanisms of miR-340-5p in NP. METHODS Rat model of chronic constriction injury (CCI) was established to induce NP in vivo. NP levels were assessed using mechanical withdrawal threshold (MWT). The inflammation response in CCI rats were determined by HE staining and ELISA assay. The target genes of miR-340-5p were verified by luciferase report assays. RESULTS In CCI rats, level of miR-340-5p was down-regulated both in spinal cord tissues and isolated microglial cells. Paw withdrawal threshold (PWT) and paw withdrawal latency (PWL) were decreased in CCI rats, which were restored upon miR-340-5p overexpression. miR-340-5p overexpression also decreased inflammation as well as expression levels of COX-2, IL-1β, TNF-α and IL-6 in CCI rats. Luciferase report assays revealed Rap1A was a target gene of miR-340-5p in the experimental model. Elevated miR-340-5p decreased Rap1A expression level in vitro and in vivo. Overexpression of Rap1A protein restored expression levels of COX-2, IL-1β, TNF-α and IL-6, reduced the PWT and PWL and increased inflammation response in CCI rats. CONCLUSION miR-340-5p alleviated CCI-induced NP by targeting Rap1A. miR-340-5p and Rap1A may be the potential treatment targets for NP therapeutics.
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Affiliation(s)
- Lu Gao
- Department of Neurology, Taizhou People's Hospital, No. 366 Taihu Road, Hailing District, Taizhou, 225300, Jiangsu, China
| | - Xuehua Pu
- Department of ICU, Taizhou People's Hospital, Taizhou, 225300, Jiangsu, China.
| | - Yujing Huang
- Department of Neurology, Taizhou People's Hospital, No. 366 Taihu Road, Hailing District, Taizhou, 225300, Jiangsu, China
| | - Jing Huang
- Department of Neurology, Taizhou People's Hospital, No. 366 Taihu Road, Hailing District, Taizhou, 225300, Jiangsu, China
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Hu JZ, Rong ZJ, Li M, Li P, Jiang LY, Luo ZX, Duan CY, Cao Y, Lu HB. Silencing of lncRNA PKIA-AS1 Attenuates Spinal Nerve Ligation-Induced Neuropathic Pain Through Epigenetic Downregulation of CDK6 Expression. Front Cell Neurosci 2019; 13:50. [PMID: 30873006 PMCID: PMC6401634 DOI: 10.3389/fncel.2019.00050] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 02/01/2019] [Indexed: 01/07/2023] Open
Abstract
Neuropathic pain (NP) is among the most intractable comorbidities of spinal cord injury. Dysregulation of non-coding RNAs has also been implicated in the development of neuropathic pain. Here, we identified a novel lncRNA, PKIA-AS1, by using lncRNA array analysis in spinal cord tissue of spinal nerve ligation (SNL) model rats, and investigated the role of PKIA-AS1 in SNL-mediated neuropathic pain. We observed that PKIA-AS1 was significantly upregulated in SNL model rats and that PKIA-AS1 knockdown attenuated neuropathic pain progression. Alternatively, overexpression of PKIA-AS1 was sufficient to induce neuropathic pain-like symptoms in uninjured rats. We also found that PKIA-AS1 mediated SNL-induced neuropathic pain by directly regulating the expression and function of CDK6, which is essential for the initiation and maintenance of neuroinflammation and neuropathic pain. Therefore, our study identifies PKIA-AS1 as a novel therapeutic target for neuroinflammation related neuropathic pain.
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Affiliation(s)
- Jian-Zhong Hu
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China
| | - Zi-Jie Rong
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China
| | - Miao Li
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China
| | - Ping Li
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China.,Department of Obstetrics, Xiangya Hospital, Central South University, Changsha, China
| | - Li-Yuan Jiang
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China
| | - Zi-Xiang Luo
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China
| | - Chun-Yue Duan
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China
| | - Yong Cao
- Department of Spine Surgery, Xiangya Hospital, Central South University, Changsha, China.,Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China
| | - Hong-Bin Lu
- Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Xiangya Hospital, Central South University, Changsha, China.,Department of Sports Medicine, Xiangya Hospital, Central South University, Changsha, China
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Henry RJ, Doran SJ, Barrett JP, Meadows VE, Sabirzhanov B, Stoica BA, Loane DJ, Faden AI. Inhibition of miR-155 Limits Neuroinflammation and Improves Functional Recovery After Experimental Traumatic Brain Injury in Mice. Neurotherapeutics 2019; 16:216-230. [PMID: 30225790 PMCID: PMC6361054 DOI: 10.1007/s13311-018-0665-9] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Micro-RNAs (miRs) are short, noncoding RNAs that negatively regulate gene expression at the post-transcriptional level and have been implicated in the pathophysiology of secondary damage after traumatic brain injury (TBI). Among miRs linked to inflammation, miR-155 has been implicated as a pro-inflammatory factor in a variety of organ systems. We examined the expression profile of miR-155, following experimental TBI (controlled cortical impact) in adult male C57Bl/6 mice, as well as the effects of acute or delayed administration of a miR-155 antagomir on post-traumatic neuroinflammatory responses and neurological recovery. Trauma robustly increased miR-155 expression in the injured cortex over 7 days. Similar TBI-induced miR-155 expression changes were also found in microglia/macrophages isolated from the injured cortex at 7 days post-injury. A miR-155 hairpin inhibitor (antagomir; 0.5 nmol), administered intracerebroventricularly (ICV) immediately after injury, attenuated neuroinflammatory markers at both 1 day and 7 days post-injury and reduced impairments in spatial working memory. Delayed ICV infusion of the miR-155 antagomir (0.5 nmol/day), beginning 24 h post-injury and continuing for 6 days, attenuated neuroinflammatory markers at 7 days post-injury and improved motor, but not cognitive, function through 28 days. The latter treatment limited NADPH oxidase 2 expression changes in microglia/macrophages in the injured cortex and reduced cortical lesion volume. In summary, TBI causes a robust and persistent neuroinflammatory response that is associated with increased miR-155 expression in microglia/macrophages, and miR-155 inhibition reduces post-traumatic neuroinflammatory responses and improves neurological recovery. Thus, miR-155 may be a therapeutic target for TBI-related neuroinflammation.
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Affiliation(s)
- Rebecca J. Henry
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Sarah J. Doran
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - James P. Barrett
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Victoria E. Meadows
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Boris Sabirzhanov
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - Bogdan A. Stoica
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
| | - David J. Loane
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
- Department of Anesthesiology, University of Maryland School of Medicine, 655 West Baltimore Street, No. 6-011, Baltimore, MD 21201 USA
| | - Alan I. Faden
- Department of Anesthesiology and Shock, Trauma and Anesthesiology Research (STAR) Center, University of Maryland School of Medicine, Baltimore, MD USA
- Department of Anesthesiology, University of Maryland School of Medicine, 685 West Baltimore Street, MSTF No. 6-02, Baltimore, MD 21201 USA
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45
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Wen J, He T, Qi F, Chen H. MiR-206-3p alleviates chronic constriction injury-induced neuropathic pain through targeting HDAC4. Exp Anim 2018; 68:213-220. [PMID: 30587671 PMCID: PMC6511522 DOI: 10.1538/expanim.18-0091] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
It was identified that microRNAs were involved in the regulation of chronic neuropathic pain. However, the role of miR-206-3p in neuropathic pain was still unclear. In the current study, the role of miR-206-3p, a type of mature miR-206, in neuropathic pain was investigated. The potential mechanisms were also explored. We found that the expression of miR-206-3p decreased in the dorsal root ganglion (DRG) of chronic constriction sciatic nerve injury (CCI) rats, whereas the While histone deacetylase 4 (HDAC4) level increased. Further exploration showed that administration of a miR-206-3p mimic alleviated neuropathic pain and reduced the level of HDAC4, a predicted target of miR-206-3p. Overexpression of HDAC4 attenuated the effects of miR-206-3p on neuropathic pain. Our data revealed a miR-206-3p-HDAC4 signal that played a potentially important role in CCI-induced neuropathic pain.
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Affiliation(s)
- Jing Wen
- Department of Histology and Embryology, Medical College, Nanchang University, 461 Bayi Road, Nanchang 330006, People's Republic of China
| | - Tao He
- Department of Histology and Embryology, Medical College, Nanchang University, 461 Bayi Road, Nanchang 330006, People's Republic of China.,Nanchang Joint Programme, Queen Mary University of London, London E1 4NS, UK
| | - Fangfang Qi
- Department of Histology and Embryology, Medical College, Nanchang University, 461 Bayi Road, Nanchang 330006, People's Republic of China.,Nanchang Joint Programme, Queen Mary University of London, London E1 4NS, UK
| | - Hongping Chen
- Department of Histology and Embryology, Medical College, Nanchang University, 461 Bayi Road, Nanchang 330006, People's Republic of China.,Jiangxi Province Key Laboratory of Tumor Pathogen's and Molecular Pathology, Nanchang 330006, People's Republic of China
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46
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Overexpression of TUSC7 inhibits the inflammation caused by microglia activation via regulating miR-449a/PPAR-γ. Biochem Biophys Res Commun 2018; 503:1020-1026. [DOI: 10.1016/j.bbrc.2018.06.111] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 06/20/2018] [Indexed: 01/11/2023]
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47
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Intrathecal Injection of miR-133b-3p or miR-143-3p Prevents the Development of Persistent Cold and Mechanical Allodynia Following a Peripheral Nerve Injury in Rats. Neuroscience 2018; 386:223-239. [PMID: 30018017 DOI: 10.1016/j.neuroscience.2018.06.040] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2018] [Revised: 06/01/2018] [Accepted: 06/24/2018] [Indexed: 12/24/2022]
Abstract
In DRG an increase in miR-133b-3p, miR-143-3p, and miR-1-3p correlates with the lack of development of neuropathic pain following a peripheral nerve injury. Using lentiviral (LV) vectors we found that a single injection of LV-miR-133b-3p or LV-miR-143-3p immediately after a peripheral nerve injury prevented the development of sustained mechanical and cold allodynia. Injection of LV-miR-133b-3p or LV-miR-143-3p by themselves or in combination, on day 3 post-injury produced a partial and transient reduction in mechanical allodynia and a sustained decrease in cold allodynia. Injection of LV-miR-1-3p has no effect. Co-injection of LV-miR-1a with miR-133b-3p or miR-143-3p on day 3 post-injury produced a sustained decrease in mechanical and cold allodynia. In DRG cultures, miR-133b-3p and miR-143-3p but not miR-1-3p, enhanced the depolarization-evoked cytoplasmic calcium increase. Using 3'UTR target clones containing a Gaussian luciferase reporter gene we found that with the 3'UTR-Scn2b, miR-133-3p and miR-143-3p reduced the expression while miR-1-3p enhanced the expression of the reporter gene. With the 3'UTR-TRPM8, miR-133-3p and miR-143-3p reduced the expression and miR-1-3p had no effect. With the 3'UTR-Piezo2, miR-133-3p increased the expression while miR-143-3p and miR-1-3p had no effect. LV-miR133b-3p, LV-miR-143-3p and LV-miR1a-3p reduced Scn2b-mRNA and Piezo2-mRNA. LV-miR133b-3p and LV-miR-143-3p reduced TRPM8-mRNA. LV-miR-133b-3p and LV-miR-143-3p prevent the development of chronic pain when injected immediately after the injury, but are only partially effective when injected at later times. LV-miR-1a-3p had no effect on pain, but complemented the actions of LV-miR-133b-3p or LV-miR-143-3p resulting in a sustained reversal of pain when co-injected 3 days following nerve injury.
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48
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Chen ML, Lin K, Lin SK. NLRP3 inflammasome signaling as an early molecular response is negatively controlled by miR-186 in CFA-induced prosopalgia mice. ACTA ACUST UNITED AC 2018; 51:e7602. [PMID: 30020320 PMCID: PMC6050947 DOI: 10.1590/1414-431x20187602] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 05/24/2018] [Indexed: 01/19/2023]
Abstract
The NOD-like receptor family pyrin domain containing 3 (NLRP3) inflammasome is the most frequently studied in the central nervous system and has been linked to neuropathic pain. In this study, a post-translational mechanism of microRNA (miR)-186 via regulating the expression of NLRP3 in the complete Freund's adjuvant (CFA)-treated mice was investigated. The injection of CFA was used to induce trigeminal neuropathic pain in mice. miRs microarray chip assay was performed in trigeminal ganglions (TGs). CFA treatment significantly increased the mRNA expression of NLRP3, interleukin (IL)-1β, and IL-18 in TGs compared to the control group. Moreover, 26 miRs were differentially expressed in TGs from trigeminal neuropathic pain mice, and the expression of miR-186 showed the lowest level of all the miRs. Further examination revealed that NLRP3 was a candidate target gene of miR-186. We delivered miR-186 mimics to CFA-treated mice. The head withdrawal thresholds of the CFA-treated mice were significantly increased by miR-186 mimics injection compared with CFA single treatment. The mRNA and protein expression of NLRP3, IL-1β, and IL-18 in TGs from trigeminal neuropathic pain mice were significantly inhibited by miR-186 mimics treatment compared to the CFA group. miR-186 was able to suppress the neuropathic pain via regulating the NLRP3 inflammasome signaling.
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Affiliation(s)
- Ming-Lei Chen
- Department of Neurology, the Third People's Hospital of Hainan Province, Sanya, China
| | - Kang Lin
- Department of Neurology, the Third People's Hospital of Hainan Province, Sanya, China
| | - Shu-Kai Lin
- Department of Neurosurgery, the Third People's Hospital of Hainan Province, Sanya, China
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49
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Penas C, Navarro X. Epigenetic Modifications Associated to Neuroinflammation and Neuropathic Pain After Neural Trauma. Front Cell Neurosci 2018; 12:158. [PMID: 29930500 PMCID: PMC5999732 DOI: 10.3389/fncel.2018.00158] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Accepted: 05/22/2018] [Indexed: 12/20/2022] Open
Abstract
Accumulating evidence suggests that epigenetic alterations lie behind the induction and maintenance of neuropathic pain. Neuropathic pain is usually a chronic condition caused by a lesion, or pathological change, within the nervous system. Neuropathic pain appears frequently after nerve and spinal cord injuries or diseases, producing a debilitation of the patient and a decrease of the quality of life. At the cellular level, neuropathic pain is the result of neuronal plasticity shaped by an increase in the sensitivity and excitability of sensory neurons of the central and peripheral nervous system. One of the mechanisms thought to contribute to hyperexcitability and therefore to the ontogeny of neuropathic pain is the altered expression, trafficking, and functioning of receptors and ion channels expressed by primary sensory neurons. Besides, neuronal and glial cells, such as microglia and astrocytes, together with blood borne macrophages, play a critical role in the induction and maintenance of neuropathic pain by releasing powerful neuromodulators such as pro-inflammatory cytokines and chemokines, which enhance neuronal excitability. Altered gene expression of neuronal receptors, ion channels, and pro-inflammatory cytokines and chemokines, have been associated to epigenetic adaptations of the injured tissue. Within this review, we discuss the involvement of these epigenetic changes, including histone modifications, DNA methylation, non-coding RNAs, and alteration of chromatin modifiers, that have been shown to trigger modification of nociception after neural lesions. In particular, the function on these processes of EZH2, JMJD3, MeCP2, several histone deacetylases (HDACs) and histone acetyl transferases (HATs), G9a, DNMT, REST and diverse non-coding RNAs, are described. Despite the effort on developing new therapies, current treatments have only produced limited relief of this pain in a portion of patients. Thus, the present review aims to contribute to find novel targets for chronic neuropathic pain treatment.
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Affiliation(s)
- Clara Penas
- Institut de Neurociències, Departament de Biologia Cellular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Madrid, Spain
| | - Xavier Navarro
- Institut de Neurociències, Departament de Biologia Cellular, Fisiologia i Immunologia, Universitat Autònoma de Barcelona, Barcelona, Spain.,Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Madrid, Spain
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50
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Spectroelectrochemical detection of microRNA-155 based on functional RNA immobilization onto ITO/GNP nanopattern. J Biotechnol 2018; 274:40-46. [DOI: 10.1016/j.jbiotec.2018.03.014] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 03/02/2018] [Accepted: 03/23/2018] [Indexed: 01/29/2023]
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