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He X, Yang H, Zheng Y, Zhao X, Wang T. The role of non-coding RNAs in neuropathic pain. Pflugers Arch 2024:10.1007/s00424-024-02989-y. [PMID: 39017932 DOI: 10.1007/s00424-024-02989-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 02/19/2024] [Accepted: 07/09/2024] [Indexed: 07/18/2024]
Abstract
Neuropathic pain (NPP) is a refractory pain syndrome, caused by damage or disease of the somatosensory nervous system and characterized by spontaneous pain, hyperalgesia, abnormal pain and sensory abnormality. Non-coding RNAs (ncRNAs), including microRNA (miRNA), long non-coding RNA (lncRNA), circular RNA (circRNA) and Piwi interacting RNA (piRNA), play a notable role in initiation and maintenance of NPP. In this review, we summarize the role of ncRNAs in NPP and their underlaying mechanism. Generally, ncRNAs are interacted with mRNA, protein or DNA to regulate the molecules and signals assciated with neuroinflammation, ion channels, neurotrophic factors and others, and then involved in the occurrence and development of NPP. Therefore, this review not only contributes to deepen our understanding of the pathophysiological mechanism of NPP, but also provides theoretical basis for the development of new therapy strategies for this disorder.
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Affiliation(s)
- Xiuying He
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- Institute of Neurological Disease, West China Hospital, Sichuan University, Chengdu, China
| | - Huisi Yang
- School of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Yuexiang Zheng
- School of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China
| | - Xiaoming Zhao
- Department of Basic Medicine, Medical School, Kunming University of Science and Technology, Kunming, Yunnan, 650504, P.R. China.
| | - Tinghua Wang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China.
- Institute of Neurological Disease, West China Hospital, Sichuan University, Chengdu, China.
- School of Integrated Traditional Chinese and Western Medicine, Southwest Medical University, Luzhou, China.
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Li P, Cao G. PDCD4 silencing alleviates KA‑induced neurotoxicity of HT22 cells by inhibiting endoplasmic reticulum stress via blocking the MAPK/NF‑κB signaling pathway. Exp Ther Med 2024; 27:55. [PMID: 38234627 PMCID: PMC10790171 DOI: 10.3892/etm.2023.12343] [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: 04/26/2023] [Accepted: 08/11/2023] [Indexed: 01/19/2024] Open
Abstract
Human programmed cell death 4 (PDCD4) has been reported to participate in multiple neurological diseases. However, the role of PDCD4 in epilepsy, as well as its underlying mechanism, remains unclear. To induce excitotoxicity, 100 µM kainic acid (KA) was applied for the stimulation of HT22 cells for 12 h. Initially, the mRNA and protein expression levels of PDCD4 were evaluated using reverse transcription-quantitative PCR and western blotting. A lactate dehydrogenase assay was performed to detect cell injury. Cell apoptosis was assessed using flow cytometry and western blotting was performed to determine the expression levels of apoptosis-related proteins. Oxidative stress was detected using dichlorodihydrofluorescein diacetate staining, and malondialdehyde (MDA), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) assay kits. Furthermore, the expression levels of MAPK/NF-κB signaling-related proteins and endoplasmic reticulum (ER) stress-related proteins C/EBP homologous protein, glucose-regulated protein 78, activating transcription factor 4 and phosphorylated-eukaryotic initiation factor-2α were assessed by western blotting. It was revealed that PDCD4 expression was markedly elevated in KA-induced HT22 cells, whereas PDCD4 silencing alleviated KA-induced neurotoxicity of HT22 cells by alleviating cell injury and inhibiting apoptosis. In addition, PDCD4 silencing reduced the levels of reactive oxygen species and MDA, but elevated those of SOD and GSH-Px. PDCD4 silencing also suppressed ER stress by blocking the MAPK/NF-κB signaling pathway. By contrast, the MAPK agonist phorbol myristate acetate reversed the effects of PDCD4 silencing on KA-induced neurotoxicity and oxidative stress in HT22 cells. In conclusion, PDCD4 silencing alleviated KA-induced neurotoxicity and oxidative stress in HT22 cells by suppressing ER stress through the inhibition of the MAPK/NF-κB signaling pathway, which may provide novel insights into the treatment of epilepsy.
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Affiliation(s)
- Peng Li
- Department of Neurology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Guiling Cao
- Department of Neurology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
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Zarezadeh R, Abbasi K, Aboutalebi Vand Beilankouhi E, Navali N, Hakimi P, Fattahi A, Farzadi L. Programmed cell death 4: A novel player in the pathogenesis of polycystic ovary syndrome. Cell Biochem Funct 2024; 42:e3905. [PMID: 38115175 DOI: 10.1002/cbf.3905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/16/2023] [Accepted: 12/05/2023] [Indexed: 12/21/2023]
Abstract
Polycystic ovary syndrome (PCOS) is a pathological condition recognized by menstrual cycle irregularities, androgen excess, and polycystic ovarian morphology, affecting a significant proportion of women of childbearing age and accounting for the most prevalent cause of anovulatory sterility. In addition, PCOS is frequently accompanied by metabolic and endocrine disturbances such as obesity, dyslipidemia, insulin resistance, and hyperinsulinemia, indicating the multiplicity of mechanisms implicated in the progression of PCOS. However, the exact pathogenesis of PCOS is yet to be elucidated. Programmed cell death 4 (PDCD4) is a ubiquitously expressed protein that contributes to the regulation of various cellular processes, including gene expression, cell cycle progression, proliferation, and apoptosis. Despite some disparities concerning its exact cellular effects, PDCD4 is generally characterized as a protein that inhibits cell cycle progression and proliferation and instead drives the cell into apoptosis. The apoptosis of granulosa cells (GCs) is speculated to take a major part in the occurrence and progression of PCOS by ceasing antral follicle development and compromising oocyte competence. Given the possible involvement of GC apoptosis in the progression of PCOS, as well as the contribution of PDCD4 to the regulation of cell apoptosis and the development of metabolic diseases, the current review aimed to discuss whether or how PDCD4 can play a role in the pathogenesis of PCOS by affecting GC apoptosis.
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Affiliation(s)
- Reza Zarezadeh
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Khadijeh Abbasi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Nazli Navali
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Parvin Hakimi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Fattahi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Laya Farzadi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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4
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Jian H, Wang F, Wang Y, Dou L. Clinical Significance of MicroRNA-330-3p in Plasma Level for Acute Cerebral Infarction. Cerebrovasc Dis 2023; 53:411-419. [PMID: 37778331 DOI: 10.1159/000533605] [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: 02/28/2023] [Accepted: 08/10/2023] [Indexed: 10/03/2023] Open
Abstract
INTRODUCTION The present study was to investigate the clinical role of miR-330-3p in acute cerebral infarction (ACI), including its diagnostic and prognostic potential. Preliminary exploration of its target genes was archived by bioinformatics analysis. METHODS miR-330-3p in plasma of the patients with ACI and controls were quantified by real-time quantitative PCR. The 1-month prognosis of the ACI patients was evaluated by the Glasgow Outcome Scale (GOS). The correlation between the plasma levels of miR-330-3p and the GOS scores was tested by Pearson correlation analysis. The receiver operating characteristic (ROC) curves were established based on the expression level of miR-330-3p in different groups. The miR-330-3p-targeting genes were analyzed using Venn diagram, protein-protein interaction network, and Gene Ontology enrichment analysis. RESULTS miR-330-3p was significantly increased in the plasma of ACI patients compared with that in healthy controls, and ROC curve revealed its diagnostic value for ACI. miR-330-3p was significantly increased in the plasma of patients with poor 1-month prognosis compared with those with good 1-month prognosis. miR-330-3p expression was negatively correlated with GOS score, suggesting its potential to predict the 1-month prognosis for ACI. One-year survival analysis revealed surviving patients had lower levels of miR-330-3p than the deceased. miR-330-3p was proven to predict the death of patients with ACI. The miR-330-3p-targeting genes were associated with synapse-related Gene Ontology terms. CONCLUSION miR-330-3p was upregulated in the plasma of patients with ACI, making it a promising diagnostic and prognostic marker for patients with ACI. miR-330-3p could facilitate synaptic plasticity following cerebral infarction.
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Affiliation(s)
- Huiru Jian
- The First Affiliated Hospital of Yangtze University, Jingzhou, China
| | - Fei Wang
- Department of Neurosurgery, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Ying Wang
- Department of Medical Record Room, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Liping Dou
- Department of Geriatrics, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
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Rivi V, Rigillo G, Toscano Y, Benatti C, Blom JMC. Narrative Review of the Complex Interaction between Pain and Trauma in Children: A Focus on Biological Memory, Preclinical Data, and Epigenetic Processes. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1217. [PMID: 37508714 PMCID: PMC10378710 DOI: 10.3390/children10071217] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 07/07/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023]
Abstract
The incidence and collective impact of early adverse experiences, trauma, and pain continue to increase. This underscores the urgent need for translational efforts between clinical and preclinical research to better understand the underlying mechanisms and develop effective therapeutic approaches. As our understanding of these issues improves from studies in children and adolescents, we can create more precise preclinical models and ultimately translate our findings back to clinical practice. A multidisciplinary approach is essential for addressing the complex and wide-ranging effects of these experiences on individuals and society. This narrative review aims to (1) define pain and trauma experiences in childhood and adolescents, (2) discuss the relationship between pain and trauma, (3) consider the role of biological memory, (4) decipher the relationship between pain and trauma using preclinical data, and (5) examine the role of the environment by introducing the importance of epigenetic processes. The ultimate scope is to better understand the wide-ranging effects of trauma, abuse, and chronic pain on children and adolescents, how they occur, and how to prevent or mitigate their effects and develop effective treatment strategies that address both the underlying causes and the associated physiological and psychological effects.
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Affiliation(s)
- Veronica Rivi
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Giovanna Rigillo
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Ylenia Toscano
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Cristina Benatti
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Centre of Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, 41125 Modena, Italy
| | - Johanna Maria Catharina Blom
- Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy
- Centre of Neuroscience and Neurotechnology, University of Modena and Reggio Emilia, 41125 Modena, Italy
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6
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Zhang C, Gao R, Zhou R, Chen H, Liu C, Zhu T, Chen C. The emerging power and promise of non-coding RNAs in chronic pain. Front Mol Neurosci 2022; 15:1037929. [PMID: 36407760 PMCID: PMC9668864 DOI: 10.3389/fnmol.2022.1037929] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 10/07/2022] [Indexed: 08/26/2023] Open
Abstract
Chronic pain (CP) is an unpleasant sensory and emotional experience associated with, or resembling that associated with, actual or potential tissue damage lasting longer than 3 months. CP is the main reason why people seek medical care and exerts an enormous economic burden. Genome-wide expression analysis has revealed that diverse essential genetic elements are altered in CP patients. Although many possible mechanisms of CP have been revealed, we are still unable to meet all the analgesic needs of patients. In recent years, non-coding RNAs (ncRNAs) have been shown to play essential roles in peripheral neuropathy and axon regeneration, which is associated with CP occurrence and development. Multiple key ncRNAs have been identified in animal models of CP, such as microRNA-30c-5p, ciRS-7, and lncRNA MRAK009713. This review highlights different kinds of ncRNAs in the regulation of CP, which provides a more comprehensive understanding of the pathogenesis of the disease. It mainly focuses on the contributions of miRNAs, circRNAs, and lncRNAs to CP, specifically peripheral neuropathic pain (NP), diabetic NP, central NP associated with spinal cord injury, complex regional pain syndrome, inflammatory pain, and cancer-induced pain. In addition, we summarize some potential ncRNAs as novel biomarkers for CP and its complications. With an in-depth understanding of the mechanism of CP, ncRNAs may provide novel insight into CP and could become new therapeutic targets in the future.
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Affiliation(s)
- Changteng Zhang
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and The Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Rui Gao
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and The Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Ruihao Zhou
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and The Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Hai Chen
- Department of Respiratory and Critical Care Medicine, West China Medical School/West China Hospital, Sichuan University, Chengdu, China
- Department of Respiratory and Critical Care Medicine, Targeted Tracer Research and Development Laboratory, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Changliang Liu
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and The Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Tao Zhu
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and The Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
| | - Chan Chen
- Department of Anesthesiology and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University and The Research Units of West China (2018RU012), Chinese Academy of Medical Sciences, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Centre of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
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7
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Emerging roles of lncRNAs in the pathogenesis, diagnosis, and treatment of trigeminal neuralgia. Biochem Soc Trans 2022; 50:1013-1023. [PMID: 35437600 DOI: 10.1042/bst20220070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 03/25/2022] [Accepted: 03/30/2022] [Indexed: 02/05/2023]
Abstract
Trigeminal neuralgia (TN) is one of the most common neuropathic pain disorders and is often combined with other comorbidities if managed inadequately. However, the present understanding of its pathogenesis at the molecular level remains lacking. Long noncoding RNAs (lncRNAs) play crucial roles in neuropathic pain, and many studies have reported that specific lncRNAs are related to TN. This review summarizes the current understanding of lncRNAs in the pathogenesis, diagnosis, and treatment of TN. Recent studies have shown that the lncRNAs uc.48+, Gm14461, MRAK009713 and NONRATT021972 are potential candidate loci for the diagnosis and treatment of TN. The current diagnostic system could be enhanced and improved by a workflow for selecting transcriptomic biomarkers and the development of lncRNA-based molecular diagnostic systems for TN. The discovery of lncRNAs potentially impacts drug selection for TN; however, the current supporting evidence is limited to preclinical studies. Additional studies are needed to further test the diagnostic and therapeutic value of lncRNAs in TN.
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8
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Zhou S, Chen R, She Y, Liu X, Zhao H, Li C, Jia Y. A new perspective on depression and neuroinflammation: Non-coding RNA. J Psychiatr Res 2022; 148:293-306. [PMID: 35193033 DOI: 10.1016/j.jpsychires.2022.02.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 01/30/2022] [Accepted: 02/14/2022] [Indexed: 12/19/2022]
Abstract
The high incidence and relapse rate of depression, as well comorbidity with other diseases, has made depression one of the primary causes of years of life lived with disability. Moreover, the unknown biological mechanism of depression has made treatment difficult. Neuroinflammation is important in the pathogenesis of depression. Neuroinflammation may affect depression by regulating the production of immune factors, immune cell activation, neuron generation, synaptic plasticity, and neurotransmission. Non-coding RNAs (ncRNAs) may be a breakthrough link between depression and neuroinflammation, as ncRNAs participate in these biological changes. We summarize the functions and mechanisms of ncRNAs in neuroinflammation and depression, and predict ncRNAs that may regulate the occurrence and progression of depression through neuritis. These findings not only broaden our understanding of the genetic regulation of depression and neuroinflammation but also provide a new perspective of the underlying mechanism and aid in the design of novel prevention, diagnosis, and treatment strategies.
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Affiliation(s)
- Shanyao Zhou
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, 466 Xin Gang Zhong Road, Guangzhou, 510317, China
| | - Rui Chen
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, 466 Xin Gang Zhong Road, Guangzhou, 510317, China.
| | - Yanling She
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, 466 Xin Gang Zhong Road, Guangzhou, 510317, China
| | - Xuanjun Liu
- Department of Psychiatry, First Affiliated Hospital of Jinan University, 613 W. Huangpu Avenue, Guangzhou, 510630, China
| | - Hui Zhao
- Department of Psychiatry, First Affiliated Hospital of Jinan University, 613 W. Huangpu Avenue, Guangzhou, 510630, China
| | - Cheng Li
- Guangdong Traditional Medical and Sports Injury Rehabilitation Research Institute, Guangdong Second Provincial General Hospital, 466 Xin Gang Zhong Road, Guangzhou, 510317, China.
| | - Yanbin Jia
- Department of Psychiatry, First Affiliated Hospital of Jinan University, 613 W. Huangpu Avenue, Guangzhou, 510630, China.
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Gada Y, Pandey A, Jadhav N, Ajgaonkar S, Mehta D, Nair S. New Vistas in microRNA Regulatory Interactome in Neuropathic Pain. Front Pharmacol 2022; 12:778014. [PMID: 35280258 PMCID: PMC8914318 DOI: 10.3389/fphar.2021.778014] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 12/10/2021] [Indexed: 12/11/2022] Open
Abstract
Neuropathic pain is a chronic pain condition seen in patients with diabetic neuropathy, cancer chemotherapy-induced neuropathy, idiopathic neuropathy as well as other diseases affecting the nervous system. Only a small percentage of people with neuropathic pain benefit from current medications. The complexity of the disease, poor identification/lack of diagnostic and prognostic markers limit current strategies for the management of neuropathic pain. Multiple genes and pathways involved in human diseases can be regulated by microRNA (miRNA) which are small non-coding RNA. Several miRNAs are found to be dysregulated in neuropathic pain. These miRNAs regulate expression of various genes associated with neuroinflammation and pain, thus, regulating neuropathic pain. Some of these key players include adenylate cyclase (Ac9), toll-like receptor 8 (Tlr8), suppressor of cytokine signaling 3 (Socs3), signal transducer and activator of transcription 3 (Stat3) and RAS p21 protein activator 1 (Rasa1). With advancements in high-throughput technology and better computational power available for research in present-day pharmacology, biomarker discovery has entered a very exciting phase. We dissect the architecture of miRNA biological networks encompassing both human and rodent microRNAs involved in the development of neuropathic pain. We delineate various microRNAs, and their targets, that may likely serve as potential biomarkers for diagnosis, prognosis, and therapeutic intervention in neuropathic pain. miRNAs mediate their effects in neuropathic pain by signal transduction through IRAK/TRAF6, TLR4/NF-κB, TXIP/NLRP3 inflammasome, MAP Kinase, TGFβ and TLR5 signaling pathways. Taken together, the elucidation of the landscape of signature miRNA regulatory networks in neuropathic pain will facilitate the discovery of novel miRNA/target biomarkers for more effective management of neuropathic pain.
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10
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Xu S, Dong H, Zhao Y, Feng W. Differential Expression of Long Non-Coding RNAs and Their Role in Rodent Neuropathic Pain Models. J Pain Res 2022; 14:3935-3950. [PMID: 35002313 PMCID: PMC8722684 DOI: 10.2147/jpr.s344339] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/14/2021] [Indexed: 12/12/2022] Open
Abstract
Neuropathic pain, which is accompanied by an unpleasant sensation, affects the patient’s quality of life severely. Considering the complexity of the neuropathic pain, there are huge unmet medical needs for it while current effective therapeutics remain far from satisfactory. Accordingly, exploration of mechanisms of neuropathic pain could provide new therapeutic insights. While numerous researches have pointed out the contribution of sensory neuron-immune cell interactions, other mechanisms of action, such as long non-coding RNAs (lncRNAs), also could contribute to the neuropathic pain observed in vivo. LncRNAs have more than 200 nucleotides and were originally considered as transcriptional byproducts. However, recent studies have suggested that lncRNAs played a significant role in gene regulation and disease pathogenesis. A substantial number of long non-coding RNAs were expressed differentially in neuropathic pain models. Besides, therapies targeting specific lncRNAs can significantly ameliorate the development of neuropathic pain, which reveals the contribution of lncRNAs in the generation and maintenance of neuropathic pain and provides a new therapeutic strategy. The primary purpose of this review is to introduce recent studies of lncRNAs on different neuropathic pain models.
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Affiliation(s)
- Songchao Xu
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, People's Republic of China
| | - He Dong
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, People's Republic of China
| | - Yang Zhao
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, People's Republic of China
| | - Wei Feng
- Department of Anesthesiology, Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, People's Republic of China
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11
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Hu C, He M, Xu Q, Tian W. Advances With Non-coding RNAs in Neuropathic Pain. Front Neurosci 2022; 15:760936. [PMID: 35002601 PMCID: PMC8733285 DOI: 10.3389/fnins.2021.760936] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/29/2021] [Indexed: 12/22/2022] Open
Abstract
Neuropathic pain (NP) is one of the most common types of clinical pain. The common causes of this syndrome include injury to the central or peripheral nervous systems and pathological changes. NP is characterized by spontaneous pain, hyperalgesia, abnormal pain, and paresthesia. Because of its diverse etiology, the pathogenesis of NP has not been fully elucidated and has become one of the most challenging problems in clinical medicine. This kind of pain is extremely resistant to conventional treatment and is accompanied by serious complications. Non-coding RNAs (ncRNAs), such as microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), contribute to diverse biological processes by regulating the expression of various mRNAs involved in pain-related pathways, at the posttranscriptional level. Abnormal regulation of ncRNAs is closely related to the occurrence and development of NP. In this review, we summarize the current state of understanding of the roles of different ncRNAs in the development of NP. Understanding these mechanisms can help develop novel therapeutic strategies to prevent or treat chronic pain.
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Affiliation(s)
- Cheng Hu
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Menglin He
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Qian Xu
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Weiqian Tian
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
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12
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Li Z, Li X, Jian W, Xue Q, Liu Z. Roles of Long Non-coding RNAs in the Development of Chronic Pain. Front Mol Neurosci 2021; 14:760964. [PMID: 34887726 PMCID: PMC8649923 DOI: 10.3389/fnmol.2021.760964] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/21/2021] [Indexed: 01/15/2023] Open
Abstract
Chronic pain, a severe public health issue, affects the quality of life of patients and results in a major socioeconomic burden. Only limited drug treatments for chronic pain are available, and they have insufficient efficacy. Recent studies have found that the expression of long non-coding RNAs (lncRNAs) is dysregulated in various chronic pain models, including chronic neuropathic pain, chronic inflammatory pain, and chronic cancer-related pain. Studies have also explored the effect of these dysregulated lncRNAs on the activation of microRNAs, inflammatory cytokines, and so on. These mechanisms have been widely demonstrated to play a critical role in the development of chronic pain. The findings of these studies indicate the significant roles of dysregulated lncRNAs in chronic pain in the dorsal root ganglion and spinal cord, following peripheral or central nerve lesions. This review summarizes the mechanism underlying the abnormal expression of lncRNAs in the development of chronic pain induced by peripheral nerve injury, diabetic neuropathy, inflammatory response, trigeminal neuralgia, spinal cord injury, cancer metastasis, and other conditions. Understanding the effect of lncRNAs may provide a novel insight that targeting lncRNAs could be a potential candidate for therapeutic intervention in chronic pain.
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Affiliation(s)
- Zheng Li
- Department of Anesthesiology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China.,Department of Geriatric & Spinal Pain Multi-Department Treatment, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Xiongjuan Li
- Department of Anesthesiology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China.,Department of Geriatric & Spinal Pain Multi-Department Treatment, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Wenling Jian
- Department of Anesthesiology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China.,Department of Geriatric & Spinal Pain Multi-Department Treatment, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Qingsheng Xue
- Department of Anesthesiology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhiheng Liu
- Department of Anesthesiology, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China.,Department of Geriatric & Spinal Pain Multi-Department Treatment, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
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13
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Abstract
Neuropathic pain (NP) is a common symptom in many diseases of the somatosensory
nervous system, which severely affects the patient’s quality of life.
Epigenetics are heritable alterations in gene expression that do not cause
permanent changes in the DNA sequence. Epigenetic modifications can affect gene
expression and function and can also mediate crosstalk between genes and the
environment. Increasing evidence shows that epigenetic modifications, including
DNA methylation, histone modification, non-coding RNA, and RNA modification, are
involved in the development and maintenance of NP. In this review, we focus on
the current knowledge of epigenetic modifications in the development and
maintenance of NP. Then, we illustrate different facets of epigenetic
modifications that regulate gene expression and their crosstalk. Finally, we
discuss the burgeoning evidence supporting the potential of emerging epigenetic
therapies, which has been valuable in understanding mechanisms and offers novel
and potent targets for NP therapy.
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Affiliation(s)
- Danzhi Luo
- Department of Anesthesiology, The First People’s Hospital of
Foshan, Foshan, China
- Sun Yet-Sen Memorial Hospital of Sun
Yet-Sen University, Guangzhou, China
| | - Xiaohong Li
- Department of Anesthesiology, The First People’s Hospital of
Foshan, Foshan, China
| | - Simin Tang
- Department of Anesthesiology, The Third Affiliated Hospital of
Southern Medical University, Guangzhou, China
| | - Fuhu Song
- Department of Anesthesiology, The Third Affiliated Hospital of
Southern Medical University, Guangzhou, China
| | - Wenjun Li
- Department of Anesthesiology, The Third Affiliated Hospital of
Southern Medical University, Guangzhou, China
| | - Guiling Xie
- Department of Anesthesiology, The Third Affiliated Hospital of
Southern Medical University, Guangzhou, China
| | - Jinshu Liang
- Department of Anesthesiology, The Third Affiliated Hospital of
Southern Medical University, Guangzhou, China
| | - Jun Zhou
- Department of Anesthesiology, The Third Affiliated Hospital of
Southern Medical University, Guangzhou, China
- Jun Zhou, Department of Anesthesiology, The
Third Affiliated Hospital of Southern Medical University, Guangzhou 510630,
China.
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14
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Wang Z, Wang D, Guo S, Zhuo Q, Jiang D, Yu Z. Long noncoding RNA distal-less homeobox 2 antisense 1 restrains inflammatory response and apoptosis of periodontal ligament cells by binding with microRNA-330-3p to regulate Ro60, Y RNA binding protein. Arch Oral Biol 2021; 133:105298. [PMID: 34752991 DOI: 10.1016/j.archoralbio.2021.105298] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 10/22/2021] [Accepted: 10/23/2021] [Indexed: 01/08/2023]
Abstract
OBJECTIVE This study aims to investigate the role of long noncoding RNA distal-less homeobox 2 antisense 1 (DLX2-AS1) in lipopolysaccharide-induced inflammatory response and apoptosis of periodontal ligament cells (PDLCs). DESIGN Lipopolysaccharide was used to induce inflammation response of PDLCs. The expression of DLX2-AS1, microRNA-330-3p and Ro60, Y RNA binding protein (RO60) in lipopolysaccharide-treated PDLCs was detected by reverse transcription quantitative polymerase chain reaction (RT-qPCR). Enzyme linked immunosorbent assay (ELISA) was performed to evaluate the concentration of inflammatory cytokines in PDLCs after DLX2-AS1 overexpression or RO60 downregulation. The apoptosis of PDLCs after lipopolysaccharide treatment or indicated transfection was analyzed by flow cytometry analysis. The level of apoptosis-related proteins, Bax and Bcl-2, were examined by western blotting. The binding capacity between microRNA-330-3p and DLX2-AS1 (or RO60) was verified by luciferase reporter assays. RESULTS DLX2-AS1 was downregulated in PDLCs after lipopolysaccharide treatment. DLX2-AS1 overexpression decreased the production of inflammatory cytokines and inhibited cell apoptosis. microRNA-330-3p bound with DLX2-AS1 and displayed high expression in lipopolysaccharide-induced PDLCs. In addition, the downregulation of RO60, a target gene of microRNA-330-3p, reversed the suppressive influence of DLX2-AS1 overexpression on the inflammatory response and apoptosis of PDLCs. CONCLUSIONS DLX2-AS1 restrains inflammatory response and apoptosis of PDLCs via the microRNA-330-3p/RO60 axis.
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Affiliation(s)
- Zhihua Wang
- Department of Stomatology, Huaian Maternal and Child Health Hospital, Huaian 223300, Jiangsu, China
| | - Dazhao Wang
- Department of Stomatology, The Affiliated Huaian No. 1 People's Hospital of Nanjing Medical University, Huaian 223300, Jiangsu, China
| | - Song Guo
- Department of Stomatology, Huaian Maternal and Child Health Hospital, Huaian 223300, Jiangsu, China
| | - Qibao Zhuo
- Department of Stomatology, Huaian Maternal and Child Health Hospital, Huaian 223300, Jiangsu, China
| | - Dongting Jiang
- Department of Stomatology, Huaian Maternal and Child Health Hospital, Huaian 223300, Jiangsu, China
| | - Zhifen Yu
- Department of Stomatology, Huaian Maternal and Child Health Hospital, Huaian 223300, Jiangsu, China.
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15
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Chen Q, Lu H, Duan C, Zhu X, Zhang Y, Li M, Zhang D. PDCD4 Simultaneously Promotes Microglia Activation via PDCD4-MAPK-NF-κB Positive Loop and Facilitates Neuron Apoptosis During Neuroinflammation. Inflammation 2021; 45:234-252. [PMID: 34613548 DOI: 10.1007/s10753-021-01541-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 08/10/2021] [Indexed: 10/20/2022]
Abstract
Neuroinflammation and neuron injury are common features of the central nervous system (CNS) diseases. It is of great significance to identify their shared key regulatory molecules and thus explore the potential therapeutic targets. Programmed cell death factor 4 (PDCD4), an apoptosis-related molecule, extensively participates in tumorigenesis and inflammatory diseases, but its expression and biological function during CNS neuroinflammation remain unclear. In the present study, utilizing the lipopolysaccharide (LPS)-induced neuroinflammation model in mice, we reported an elevated expression of PDCD4 both in injured neurons and activated microglia of the inflamed brain. A similar change in PDCD4 expression was observed in vitro in the microglial activation model. Silencing PDCD4 by shRNA significantly inhibited the phosphorylation of MAPKs (p38, ERK, and JNK), prevented the phosphorylation and nuclear translocation of NF-κB p65, and thus attenuated the LPS-induced microglial inflammatory activation. Interestingly, LPS also required the MAPK/NF-κB signaling activation to boost PDCD4 expression in microglia, indicating the presence of a positive loop. Moreover, a persistent elevation of PDCD4 expression was detected in the H2O2-induced neuronal oxidative damage model. Knocking down PDCD4 significantly inhibited the expression of pro-apoptotic proteins BAX and Cleaved-PARP, suggesting the proapoptotic activity of PDCD4 in neurons. Taken together, our data indicated that PDCD4 may serve as a hub regulatory molecule that simultaneously promotes the microglial inflammatory activation and the oxidative stress-induced neuronal apoptosis within CNS. The microglial PDCD4-MAPK-NF-κB positive feedback loop may act as pivotal signaling for neuroinflammation which subsequently exaggerates neuronal injury, and thus may become a potential therapeutic target for neuroinflammatory diseases.
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Affiliation(s)
- Quan Chen
- Medical Research Center, Affiliated Hospital 2 of Nantong University, Nantong, 226001, People's Republic of China.,Department of Pathogen Biology, Medical College, Nantong University, Nantong, 226001, People's Republic of China
| | - Hongjian Lu
- Medical Research Center, Affiliated Hospital 2 of Nantong University, Nantong, 226001, People's Republic of China
| | - Chengwei Duan
- Medical Research Center, Affiliated Hospital 2 of Nantong University, Nantong, 226001, People's Republic of China
| | - Xiangyang Zhu
- Neurology Department, Affiliated Hospital 2 of Nantong University, 226001, Nantong, People's Republic of China
| | - Yi Zhang
- Neurosurgery Department, Affiliated Hospital 2 of Nantong University, 226001, Nantong, People's Republic of China
| | - Mengmeng Li
- Medical Research Center, Affiliated Hospital 2 of Nantong University, Nantong, 226001, People's Republic of China
| | - Dongmei Zhang
- Medical Research Center, Affiliated Hospital 2 of Nantong University, Nantong, 226001, People's Republic of China. .,Department of Pathogen Biology, Medical College, Nantong University, Nantong, 226001, People's Republic of China. .,Rehabilitation Medicine Department, Affiliated Hospital 2 of Nantong University, 226001, Nantong, People's Republic of China.
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16
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Yuan L, Xu H, Guo R, Lu T, Li X. Long non-coding RNA ZFAS1 alleviates bupivacaine-induced neurotoxicity by regulating the miR-421/zinc finger protein564 (ZNF564) axis. Bioengineered 2021; 12:5231-5240. [PMID: 34414857 PMCID: PMC8806570 DOI: 10.1080/21655979.2021.1960776] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
This research aimed to explore the biological role of long non-coding RNA (lncRNA) ZFAS1 in bupivacaine-induced neurotoxicity. The levels of lncRNA ZFAS1, miR-421, and zinc finger protein 564 (ZNF564) were detected by RT-qPCR. MTT and TUNEL assays were utilized to evaluate cell viability and apoptosis, respectively. Caspase-3 activity was measured by the caspase-3 activity assay kit. The binding ability between miR-421 and ZFAS1 or ZNF564 was confirmed by Rip and dual-luciferase reporter assays. In this study, it was found that the levels of ZFAS1 and ZNF564 were gradually upregulated and miR-421 expression was downregulated with increasing concentrations of bupivacaine. Functional assays indicated that the silencing of ZFAS1 suppressed cell viability and facilitated cell apoptosis of SH-SY5Y cells, while overexpression of ZFAS1 had the opposite effects. Moreover, it was identified that miR-421 was a target of ZFAS1, and ZFAS1 regulated the bupivacaine-induced neurotoxicity via miR-421. In addition, we confirmed that ZNF564 was a downstream target of miR-421. The upregulation of miR-421 decreased the cell viability, and increased the cell apoptosis rate and caspase-3 activity, while the upregulation of ZND564 partially abolished these effects. Finally, it was demonstrated that ZFAS1 could upregulate the expression of ZNF564 by targeting miR-421. In conclusion, our results demonstrated that ZFAS1 alleviated bupivacaine-induced neurotoxicity through the miR-421/ZNF564 axis, suggesting a new strategy for the amelioration of bupivacaine-induced neurotoxicity.
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Affiliation(s)
- Liuqing Yuan
- Department of Anesthesiology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, P.R. China
| | - Houren Xu
- Department of Anesthesiology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, P.R. China
| | - Rui Guo
- Department of Anesthesiology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, P.R. China
| | - Ting Lu
- Department of Anesthesiology, Jiangsu Province Hospital, Nanjing, Jiangsu, P.R. China
| | - Xiaoling Li
- Department of Anesthesiology, First Affiliated Hospital of Gannan Medical University, Ganzhou, Jiangxi, P.R. China
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17
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Peng Y, Lin H. [Regulatory role of long non-coding RNA in peripheral nerve injury and neural regeneration]. ZHONGGUO XIU FU CHONG JIAN WAI KE ZA ZHI = ZHONGGUO XIUFU CHONGJIAN WAIKE ZAZHI = CHINESE JOURNAL OF REPARATIVE AND RECONSTRUCTIVE SURGERY 2021; 35:1051-1056. [PMID: 34387437 DOI: 10.7507/1002-1892.202103107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Objective To summarize the regulatory role of long non-coding RNA (lncRNA) in peripheral nerve injury (PNI) and neural regeneration. Methods The characteristics and mechanisms of lncRNA were summarized and its regulatory role in PNI and neural regeneration were elaborated by referring to relevant domestic and foreign literature in recent years. Results Neuropathic pain and denervated muscle atrophy are common complications of PNI, affecting patients' quality of life. Numerous lncRNAs are upregulated after PNI, which promote the progress of neuropathic pain by regulating nerve excitability and neuroinflammation. Several lncRNAs are found to promote the progress of denervated muscle atrophy. Importantly, peripheral nerve regeneration occurs after PNI. LncRNAs promote peripheral nerve regeneration through promoting neuronal axonal outgrowth and the proliferation and migration of Schwann cells. Conclusion At present, the research on lncRNA regulating PNI and neural regeneration is still in its infancy. The specific mechanism remains to be further explored. How to achieve clinical translation of experimental results is also a major challenge for future research.
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Affiliation(s)
- Ying Peng
- Trauma Clinic Medicine Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201600, P.R.China
| | - Haodong Lin
- Trauma Clinic Medicine Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 201600, P.R.China
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18
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Xia H, Huang Z, Liu S, Zhao X, He R, Wang Z, Shi W, Chen W, Li Z, Yu L, Huang P, Kang P, Su Z, Xu Y, Yam JWP, Cui Y. LncRNA DiGeorge syndrome critical region gene 5: A crucial regulator in malignant tumors. Biomed Pharmacother 2021; 141:111889. [PMID: 34323697 DOI: 10.1016/j.biopha.2021.111889] [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: 04/24/2021] [Revised: 05/30/2021] [Accepted: 06/28/2021] [Indexed: 02/07/2023] Open
Abstract
Long non-coding RNA (lncRNA), a subgroup of ncRNA with a length of more than 200 nt without protein coding function, has been recognized by the academia for its mediating effects of dysregulated expression on the tumorigenesis and development of a variety of tumors. LncRNA DiGeorge syndrome critical region gene 5 (DGCR5), originally found to induce DiGeorge syndrome, has been confirmed to be extremely dysregulated in multiple tumors, which mediates the malignant phenotypes of hepatocellular carcinoma, pancreatic cancer, lung cancer, etc. through the regulation of Wnt/β-catenin, MEK/ERK1/2 and other cancerous signaling pathways as a molecular sponge. Researches on the cancerous derivation-related pathways involved in DGCR5 can provide potential molecular intervention targets for tumor precision treatment. Moreover, liquid biopsy based on the detection of DGCR5 in body fluids is also expected to provide a non-invasive evaluation method for the early diagnosis and prognostic evaluation of malignant tumors.
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Affiliation(s)
- Haoming Xia
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Ziyue Huang
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Shuqiang Liu
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Xudong Zhao
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Risheng He
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Zhongrui Wang
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Wenguang Shi
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Wangming Chen
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Zhizhou Li
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Liang Yu
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China; The key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin 150086, Heilongjiang, China
| | - Peng Huang
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China; The key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin 150086, Heilongjiang, China
| | - Pengcheng Kang
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Zhilei Su
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China
| | - Yi Xu
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China; The key Laboratory of Myocardial Ischemia, Harbin Medical University, Ministry of Education, Harbin 150086, Heilongjiang, China; Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 999077, Hong Kong.
| | - Judy Wai Ping Yam
- Department of Pathology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, 999077, Hong Kong.
| | - Yunfu Cui
- Department of Hepatopancreatobiliary Surgery, The Second Affiliated Hospital of Harbin Medical University, Harbin 150086, Heilongjiang, China.
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Chen Z, Wu H, Zhang M. Long non-coding RNA: An underlying bridge linking neuroinflammation and central nervous system diseases. Neurochem Int 2021; 148:105101. [PMID: 34139298 DOI: 10.1016/j.neuint.2021.105101] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/05/2021] [Accepted: 06/10/2021] [Indexed: 02/08/2023]
Abstract
Central nervous system (CNS) diseases are responsible for a large proportion of morbidity and mortality worldwide. CNS diseases caused by intrinsic and extrinsic stimuli stimulate the resident immune cells including microglia and astrocyte, resulting in neuroinflammation that exacerbates the progression of diseases. Recent evidence reveals the aberrant expression patterns of long non-coding RNAs (lncRNAs) in the damaged tissues following CNS diseases. It was also proposed that lncRNAs possessed immune-modulatory activities by directly or indirectly affecting various effector proteins including transcriptional factor, acetylase, protein kinase, phosphatase, etc. In addition, lncRNAs can form a sophisticated network by interacting with other molecules to regulate the expression or activation of downstream immune response pathways. However, the major roles of lncRNAs in CNS pathophysiologies are still elusive, especially in neuroinflammation. Herein, we tend to review some potential roles of lncRNAs in modulating neuroinflammation based on current evidence in various CNS diseases, in order to provide novel explanations for the initiation and progression of CNS diseases and help to establish therapeutic strategies targeting neuroinflammation.
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Affiliation(s)
- Zhuohui Chen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Haiyue Wu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Mengqi Zhang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, 410008, China.
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20
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Zhang P, Sun H, Ji Z. Downregulating lncRNA PVT1 Relieves Astrocyte Overactivation Induced Neuropathic Pain Through Targeting miR-186-5p/CXCL13/CXCR5 Axis. Neurochem Res 2021; 46:1457-1469. [PMID: 33742328 DOI: 10.1007/s11064-021-03287-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 01/26/2021] [Accepted: 02/23/2021] [Indexed: 12/13/2022]
Abstract
Spinal cord injury (SCI) is one of the main causes leading to neuropathic pain. Here, we aim to explore the molecular mechanism and function of lncRNA PVT1 in neuropathic pain induced by SCI. The expression of lncRNA PVT1, microRNA (miR) - 186-5p was measured via quantitative reverse transcription PCR (qRT-PCR), and the activation of astrocytes (labeled by GFAP) was detected by immunohistochemistry. Western blot was conducted to detect the expression of chemokine ligand 13 (CXCL13), chemokine receptor 5 (CXCR5), cyclooxygenase-2 (COX2), inducible nitric oxide synthase (iNOS) and glial fibrillary acidic protein (GFAP) in spinal cord injury lesions. The levels of inflammatory cytokines (including IL-1β and IL-6) and MDA in tissues were examined via Enzyme-linked immunosorbent assay (ELISA). In vitro experiments were also conducted in primary cultured astrocyte to explore the response of astrocyte to lipopolysaccharide (LPS). What's more, the PVT1-miR-186-5p interaction was verified via the dual luciferase activity assay and RNA immunoprecipitation (RIP) assay. The results demonstrated that the levels of PVT1, CXCL13 and CXCR5 were upregulated, while miR-186-5p were decreased in SCI rats' spinal cord and LPS-mediated astrocytes. In the SCI model, PVT1 depletion significantly alleviated neuropathic pain, astrocytic activation and reduced the expression of neuroinflammatory factors and proteins. The relevant mechanism studies confirmed that PVT1 is a competitive endogenous RNA (ceRNA) of miR-186-5p, targets and inhibits its expression and promotes the expression of CXCL13/CXCR5, while miR-186-5p targets CXCL13. In conclusion, inhibition of lncRNA PVT1 alleviates neuropathic pain in SCI rats by upregulating miR-186-5p and down-regulating CXCL13/CXCR5. The PVT1/miR-186-5p/CXCL13/CXCR5 axis can be used as a new therapeutic target for neuropathic pain.
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Affiliation(s)
- Peisong Zhang
- Department of Neurosurgery, Liaocheng People's Hospital, No. 67 Dongchang Road, Liaocheng, 252000, Shandong, China
| | - Hanyu Sun
- Department of Neurosurgery, Liaocheng People's Hospital, No. 67 Dongchang Road, Liaocheng, 252000, Shandong, China
| | - Zhengang Ji
- Department of Neurosurgery, Liaocheng People's Hospital, No. 67 Dongchang Road, Liaocheng, 252000, Shandong, China.
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21
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TRESK Regulates Gm11874 to Induce Apoptosis of Spinal Cord Neurons via ATP5i Mediated Oxidative Stress and DNA Damage. Neurochem Res 2021; 46:1970-1980. [PMID: 33973102 DOI: 10.1007/s11064-021-03318-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/17/2021] [Accepted: 03/30/2021] [Indexed: 12/31/2022]
Abstract
Reportedly, TWIK-related spinal cord K+ (TRESK) deficiency in spinal cord neurons positively correlates with the mechanism underlying neuropathic pain (NP). However, the precise effects of TRESK on neurons of the spinal cord remain elusive. In the present study, we investigated the impact of TRESK silencing on spinal cord neurons to further elucidate the downstream mechanisms of TRESK. Herein, neurons of the dorsal spinal cord were cultured as a cell model for investigations. Apoptosis, oxidative stress, and DNA damage-related proteins were evaluated. Additionally, flow cytometry, microarray profiling, real-time polymerase chain reaction (PCR), western blotting, fluorescence in situ hybridization (FISH), immunofluorescence, and enzyme-linked immunosorbent assay (ELISA) were performed. In cultured neurons, the downregulation of TRESK mRNA expression induced apoptosis of dorsal spinal cord neurons. Using real-time PCR and western blotting, the upregulation of LncRNA Gm11874 (Gm11874) and ATP5i, screened from the gene chip, was confirmed. On silencing TRESK, expression levels of γ-H2AX, poly [ADP-ribose] polymerase 1 (PARP-1), FoxO1, FoxO3, MitoSOX, malondialdehyde (MDA), and 8-hydroxy-2' -deoxyguanosine (8-OHdG), which are known indices of oxidative stress and DNA damage, were significantly elevated. Moreover, ATP induced oxidative stress, DNA damage, and apoptosis were reduced by ATP5i siRNA. Finally, Gm11874 and ATP5i were co-expressed in spinal cord neurons in a FISH experiment, and the expression of ATP5i was positively regulated by Gm11874. These results implied that ATP5i induced oxidative stress and DNA damage, resulting in neuronal apoptosis, and Gm11874 was confirmed to act upstream of ATP5i. Our study revealed that TRESK silencing upregulated Gm11874 to induce apoptosis of spinal cord neurons, which resulted in ATP5i promoting oxidative stress and DNA damage. These findings could highlight the TRESK-mediated NP mechanism.
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22
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Zhou G, Duan Y, Lu C, Wang W. Knockdown of circ-UQCRC2 ameliorated lipopolysaccharide-induced injury in MRC-5 cells by the miR-326/PDCD4/NF-κB pathway. Int Immunopharmacol 2021; 97:107633. [PMID: 33895481 DOI: 10.1016/j.intimp.2021.107633] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 03/24/2021] [Accepted: 03/31/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Circular RNAs (circRNAs) have been shown as important modulators in the pathogenesis of pediatric pneumonia. In this paper, we focused on the molecular basis of circRNA ubiquinol-cytochrome c reductase core protein 2 (circ-UQCRC2, circ_0038467) in lipopolysaccharide (LPS)-induced cell injury. METHODS Quantitative real-time polymerase chain reaction (qRT-PCR) was used to gauge the levels of circ-UQCRC2, microRNA (miR)-326 and programmed cell death 4 (PDCD4) mRNA. PDCD4 protein expression and the activation of the NF-κB signaling pathway were evaluated by western blot. Ribonuclease R (RNase R) assay was performed to assess the stability of circ-UQCRC2. Cell viability and apoptosis were detected by the Cell Counting Kit-8 (CCK-8) and flow cytometry assays, respectively. The levels of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and IL-6 were measured by the enzyme-linked immunosorbent assay (ELISA). Targeted relationship between miR-326 and circ-UQCRC2 or PDCD4 was confirmed by dual-luciferase reporter and RNA immunoprecipitation (RIP) assays. RESULTS Our data showed the up-regulation of circ-UQCRC2 level in pneumonia serum and LPS-treated MRC-5 cells. The silencing of circ-UQCRC2 attenuated LPS-induced MRC-5 cell injury. Mechanistically, circ-UQCRC2 directly targeted miR-326, and circ-UQCRC2 regulated PDCD4 expression through miR-326. MiR-326 was a downstream effector of circ-UQCRC2 function, and PDCD4 was a functional target of miR-326 in regulating LPS-induced MRC-5 cell injury. Additionally, circ-UQCRC2 knockdown inactivated the NF-κB signaling pathway by regulating the miR-326/PDCD4 axis. CONCLUSION Our findings demonstrated a novel regulatory network, the miR-326/PDCD4/NF-κB pathway, for the function of circ-UQCRC2 in LPS-induced cell injury in MRC-5 cells.
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Affiliation(s)
- Gang Zhou
- Department of Pediatrics, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, Hubei, China
| | - Yunyan Duan
- Department of Pediatrics, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, Hubei, China
| | - Chi Lu
- Department of Oncology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Wenguang Wang
- Department of Pediatrics, Hubei Provincial Hospital of Traditional Chinese Medicine, Wuhan, Hubei, China.
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23
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Zhang Q, Zhou L, Xie H, Zhang H, Gao X. HAGLR aggravates neuropathic pain and promotes inflammatory response and apoptosis of lipopolysaccharide-treated SH-SY5Y cells by sequestering miR-182-5p from ATAT1 and activating NLRP3 inflammasome. Neurochem Int 2021; 145:105001. [PMID: 33626373 DOI: 10.1016/j.neuint.2021.105001] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 01/27/2021] [Accepted: 02/16/2021] [Indexed: 01/09/2023]
Abstract
BACKGROUND Chronic neuropathic pain is characterized by neuroinflammation. Previously, long noncoding RNA (lncRNA) HAGLR was reported to regulate the inflammatory response of SH-SY5Y cells. However, neither the specific function nor the potential mechanism of HAGLR in neuropathic pain has been explored. AIM OF THE STUDY Our study is aimed to figure out the role of HAGLR in neuropathic pain. METHODS SH-SY5Y cells were treated with lipopolysaccharide (LPS) to mimic neuron injury in vitro. The chronic constriction injury (CCI) rat models were established by ligation of sciatic nerve to mimic neuropathic pain in vivo. Behavioral assessment assays were performed to determine the effects of HAGLR on hypersensitivity in neuropathic pain. Enzyme-linked immunosorbent assay kits were used for detection of inflammatory cytokines. Flow cytometry analysis and Western blot were applied to detect apoptosis. RESULTS HAGLR displayed high levels in spinal cords of CCI rats and in LPS treated SH-SY5Y cells. Knockdown of HAGLR inhibited inflammation and neuron apoptosis of LPS treated SH-SY5Y cells. Mechanistically, HAGLR bound with miR-182-5p in SH-SY5Y cells. ATAT1 served as a target of miR-182-5p. HAGLR activated the NLRP3 inflammasome by ATAT1. Rescue assays demonstrated that overexpression of ATAT1 or NLRP3 reversed the suppressive effects of HAGLR silencing on apoptosis and inflammatory response in SH-SY5Y cells and in spinal cords of CCI rats. The inhibitory effects of silenced HAGLR on hypersensitivity in neuropathic pain were also rescued by ATAT1 or NLRP3. CONCLUSIONS HAGLR aggravates neuropathic pain by sequestering miR-182-5p from ATAT1 and activating NLRP3 inflammasome, which may provide a potential therapeutic target for neuropathic pain treatment.
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Affiliation(s)
- QuanYun Zhang
- Department of Anesthesiology, Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China; Department of Pain Medical Center, Lianyungang Second People's Hospital, Lianyungang, 222000, Jiangsu, China
| | - Li Zhou
- Department of Anaesthesia, Affiliated Hospital of Xuzhou Medical University, Xuzhou, 221006, Jiangsu, China
| | - Hong Xie
- Department of Anesthesiology, Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China.
| | - HongJin Zhang
- Department of Anesthesiology, Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
| | - XuZhu Gao
- Department of Anesthesiology, Second Affiliated Hospital of Soochow University, Suzhou, 215000, Jiangsu, China
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24
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The Expanding Regulatory Mechanisms and Cellular Functions of Long Non-coding RNAs (lncRNAs) in Neuroinflammation. Mol Neurobiol 2021; 58:2916-2939. [PMID: 33555549 DOI: 10.1007/s12035-020-02268-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 12/16/2020] [Indexed: 12/13/2022]
Abstract
LncRNAs have emerged as important regulatory molecules in biological processes. They serve as regulators of gene expression pathways through interactions with proteins, RNA, and DNA. LncRNA expression is altered in several diseases of the central nervous system (CNS), such as neurodegenerative disorders, stroke, trauma, and infection. More recently, it has become clear that lncRNAs contribute to regulating both pro-inflammatory and anti-inflammatory pathways in the CNS. In this review, we discuss the molecular pathways involved in the expression of lncRNAs, their role and mechanism of action during gene regulation, cellular functions, and use of lncRNAs as therapeutic targets during neuroinflammation in CNS disorders.
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25
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LncRNA NEAT1/miR-128-3p/AQP4 axis regulating spinal cord injury-induced neuropathic pain progression. J Neuroimmunol 2020; 351:577457. [PMID: 33373887 DOI: 10.1016/j.jneuroim.2020.577457] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 11/29/2020] [Accepted: 12/06/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Neuropathic pain (NP) is the comorbidity in spinal cord injury(SCI), which is the hardest to cure. Non-coding RNA dysregulations are related to the development of NP. NEAT1(nuclear paraspeckle assembly transcript 1) is a new type of lncRNA. This study explores the role and specific mechanism of NEAT1 in SCI-mediated NP. METHODS Firstly, the NEAT1 expression in SCI rats and the control group was detected with RT-PCR to analyze the relationship between NEAT13 and NP symptoms. Then, SCI rats were intrathecally injected with NEAT13 overexpressing and knocking down lentiviruses. Afterward, ELISA was utilized to assess the expression of IL-6, IL-1β and TNFα in rats. Subsequently, immunohistochemistry was adopted to verify the activation of microglial cells. After that, bioinformatics analysis was employed to further predict the downstream target genes of NEAT1, while RT-PCR and Western blot were conducted to determine the relative expression of miR-128-3p and aquaporin-4(AQP4). Meanwhile, a dual-luciferase reporter assay was performed to further study the targeting relationship between NEAT1 and miR-128-3p, and miR-128-3p and AQP4. RESULTS SCI rats showed distinctly higher NEAT1 expression compared with that of the control group. ELISA experiment confirmed that the over-expression of NEAT1 enhanced the expression of IL-6, IL-1β, and TNFα in SCI rats. Other related mechanism studies revealed that NEAT13 targeted and inhibited miR-128-3p as its competing endogenous RNA (ceRNA), and enhanced AQP4 expression, while miR-128-3p targeted AQP4 to regulate its expression. SUMMARY NEAT1 affects AQP4 signaling pathway to alleviate the spinal cord injury-induced NP via promoting miR-128-3p expression.
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26
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Lu K, Chen Q, Li M, He L, Riaz F, Zhang T, Li D. Programmed cell death factor 4 (PDCD4), a novel therapy target for metabolic diseases besides cancer. Free Radic Biol Med 2020; 159:150-163. [PMID: 32745771 DOI: 10.1016/j.freeradbiomed.2020.06.016] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 06/05/2020] [Accepted: 06/06/2020] [Indexed: 02/06/2023]
Abstract
Programmed cell death factor 4 (PDCD4) is originally described as a tumor suppressor gene that exerts antineoplastic effects by promoting apoptosis and inhibiting tumor cell proliferation, invasion, and metastasis. Several investigations have probed the aberrant expression of PDCD4 with the progression of metabolic diseases, such as polycystic ovary syndrome (PCOS), obesity, diabetes, and atherosclerosis. It has been ascertained that PDCD4 causes glucose and lipid metabolism disorders, insulin resistance, oxidative stress, chronic inflammatory response, and gut flora disorders to regulate the progression of metabolic diseases. This review aims to summarize the latest researches to uncover the structure, expression regulation, and biological functions of PDCD4 and to elucidate the regulatory mechanism of the development of tumors and metabolic diseases. This review has emphasized the understanding of the PDCD4 role and to provide new ideas for the research, diagnosis, and treatment of tumors and metabolic diseases.
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Affiliation(s)
- Kaikai Lu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, 710061, PR China
| | - Qian Chen
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, 710061, PR China
| | - Mengda Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, 710061, PR China
| | - Lei He
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, 710061, PR China
| | - Farooq Riaz
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, 710061, PR China
| | - Tianyun Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, 710061, PR China
| | - Dongmin Li
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, 710061, PR China; Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education, Xi'an, Shaanxi, 710061, PR China.
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27
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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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28
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Wu W, Ji X, Zhao Y. Emerging Roles of Long Non-coding RNAs in Chronic Neuropathic Pain. Front Neurosci 2019; 13:1097. [PMID: 31680832 PMCID: PMC6813851 DOI: 10.3389/fnins.2019.01097] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Accepted: 09/30/2019] [Indexed: 02/06/2023] Open
Abstract
Chronic neuropathic pain, a type of chronic and potentially disabling pain caused by a disease or injury of the somatosensory nervous system, spinal cord injury, or various chronic conditions, such as viral infections (e.g., post-herpetic neuralgia), autoimmune diseases, cancers, and metabolic disorders (e.g., diabetes mellitus), is one of the most intense types of chronic pain, which incurs a major socio-economic burden and is a serious public health issue, with an estimated prevalence of 7–10% in adults throughout the world. Presently, the available drug treatments (e.g., anticonvulsants acting at calcium channels, serotonin-noradrenaline reuptake inhibitors, tricyclic antidepressants, opioids, topical lidocaine, etc.) for chronic neuropathic pain patients are still rare and have disappointing efficacy, which makes it difficult to relieve the patients’ painful symptoms, and, at best, they only try to reduce the patients’ ability to tolerate pain. Long non-coding RNAs (lncRNAs), a type of transcript of more than 200 nucleotides with no protein-coding or limited capacity, were identified to be abnormally expressed in the spinal cord, dorsal root ganglion, hippocampus, and prefrontal cortex under chronic neuropathic pain conditions. Moreover, a rapidly growing body of data has clearly pointed out that nearly 40% of lncRNAs exist specifically in the nervous system. Hence, it was speculated that these dysregulated lncRNAs might participate in the occurrence, development, and progression of chronic neuropathic pain. In other words, if we deeply delve into the potential roles of lncRNAs in the pathogenesis of chronic neuropathic pain, this may open up new strategies and directions for the development of novel targeted drugs to cure this refractory disorder. In this article, we primarily review the status of chronic neuropathic pain and provide a general overview of lncRNAs, the detailed roles of lncRNAs in the nervous system and its related diseases, and the abnormal expression of lncRNAs and their potential clinical applications in chronic neuropathic pain. We hope that through the above description, readers can gain a better understanding of the emerging roles of lncRNAs in chronic neuropathic pain.
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Affiliation(s)
- Wei Wu
- College of Food Science and Engineering, Qingdao Agricultural University, Qingdao, China
| | - Xiaojun Ji
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Yang Zhao
- Department of Anesthesiology, Affiliated Hospital to Qingdao University, Qingdao, China
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29
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Tang S, Zhou J, Jing H, Liao M, Lin S, Huang Z, Huang T, Zhong J, HanbingWang. Functional roles of lncRNAs and its potential mechanisms in neuropathic pain. Clin Epigenetics 2019; 11:78. [PMID: 31092294 PMCID: PMC6521530 DOI: 10.1186/s13148-019-0671-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 04/25/2019] [Indexed: 12/20/2022] Open
Abstract
Neuropathic pain (NP) is ranked as one of the major forms of chronic pain and emerges as a direct consequence of a lesion or disease affecting the somatosensory nervous system. Despite great advances into the mechanisms of NP, clinical practice is still not satisfactory. Fortunately, progress in elucidating unique features and multiple molecular mechanisms of long non-coding RNAs (lncRNAs) in NP has emerged in the past 10 years, suggesting that novel therapeutic strategies for pain treatment may be proposed. In this review, we will concentrate on recent studies associated with lncRNAs in NP. First, we will describe the alterations of lncRNA expression after spinal cord injury (SCI) and peripheral nerve injury (PNI), and then we illustrate the role of some specific lncRNAs in detail, which may offer new insights into our understanding of the etiology and pathophysiology of NP. Finally, we put special emphasis on the altered expression of lncRNAs in the diverse biological process of NP. Recent advances we summarized above in the development of NP may facilitate translation of these findings from bench to bedside in the future.
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Affiliation(s)
- Simin Tang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China.,Sun Yet-sen University, Guangzhou, 510000, Guangdong Province, China
| | - Jun Zhou
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China.
| | - Huan Jing
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China.,ZunYi Medical University, ZunYi, 563100, China
| | - Meijuan Liao
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China
| | - Sen Lin
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China
| | - Zhenxing Huang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China
| | - Teng Huang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China
| | - Jiying Zhong
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China
| | - HanbingWang
- Department of Anesthesiology, The First People's Hospital of Foshan, Foshan, 528000, Guangdong Province, China
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