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Hoque P, Romero B, Akins RE, Batish M. Exploring the Multifaceted Biologically Relevant Roles of circRNAs: From Regulation, Translation to Biomarkers. Cells 2023; 12:2813. [PMID: 38132133 PMCID: PMC10741722 DOI: 10.3390/cells12242813] [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: 11/15/2023] [Revised: 12/02/2023] [Accepted: 12/05/2023] [Indexed: 12/23/2023] Open
Abstract
CircRNAs are a category of regulatory RNAs that have garnered significant attention in the field of regulatory RNA research due to their structural stability and tissue-specific expression. Their circular configuration, formed via back-splicing, results in a covalently closed structure that exhibits greater resistance to exonucleases compared to linear RNAs. The distinctive regulation of circRNAs is closely associated with several physiological processes, as well as the advancement of pathophysiological processes in several human diseases. Despite a good understanding of the biogenesis of circular RNA, details of their biological roles are still being explored. With the steady rise in the number of investigations being carried out regarding the involvement of circRNAs in various regulatory pathways, understanding the biological and clinical relevance of circRNA-mediated regulation has become challenging. Given the vast landscape of circRNA research in the development of the heart and vasculature, we evaluated cardiovascular system research as a model to critically review the state-of-the-art understanding of the biologically relevant functions of circRNAs. We conclude the review with a discussion of the limitations of current functional studies and provide potential solutions by which these limitations can be addressed to identify and validate the meaningful and impactful functions of circRNAs in different physiological processes and diseases.
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Affiliation(s)
- Parsa Hoque
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Brigette Romero
- Department of Medical and Molecular Sciences, University of Delaware, Newark, DE 19716, USA;
| | - Robert E Akins
- Nemours Children’s Research, Nemours Children’s Health System, Wilmington, DE 19803, USA;
| | - Mona Batish
- Department of Biological Sciences, University of Delaware, Newark, DE 19716, USA;
- Department of Medical and Molecular Sciences, University of Delaware, Newark, DE 19716, USA;
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2
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Mazzone GL, Coronel MF, Mladinic M, Sámano C. An update to pain management after spinal cord injury: from pharmacology to circRNAs. Rev Neurosci 2023; 34:599-611. [PMID: 36351309 DOI: 10.1515/revneuro-2022-0089] [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: 07/22/2022] [Accepted: 10/19/2022] [Indexed: 08/04/2023]
Abstract
Neuropathic pain (NP) following a spinal cord injury (SCI) is often hard to control and therapies should be focused on the physical, psychological, behavioral, social, and environmental factors that may contribute to chronic sensory symptoms. Novel therapeutic treatments for NP management should be based on the combination of pharmacological and nonpharmacological options. Some of them are addressed in this review with a focus on mechanisms and novel treatments. Several reports demonstrated an aberrant expression of non-coding RNAs (ncRNAs) that may represent key regulatory factors with a crucial role in the pathophysiology of NP and as potential diagnostic biomarkers. This review analyses the latest evidence for cellular and molecular mechanisms associated with the role of circular RNAs (circRNAs) in the management of pain after SCI. Advantages in the use of circRNA are their stability (up to 48 h), and specificity as sponges of different miRNAs related to SCI and nerve injury. The present review discusses novel data about deregulated circRNAs (up or downregulated) that sponge miRNAs, and promote cellular and molecular interactions with mRNAs and proteins. This data support the concept that circRNAs could be considered as novel potential therapeutic targets for NP management especially after spinal cord injuries.
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Affiliation(s)
- Graciela L Mazzone
- Instituto de Investigaciones en Medicina Traslacional (IIMT), CONICET-Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina
| | - María F Coronel
- Instituto de Investigaciones en Medicina Traslacional (IIMT), CONICET-Universidad Austral, Av. Pte. Perón 1500, B1629AHJ, Pilar, Buenos Aires, Argentina
| | - Miranda Mladinic
- Laboratory for Molecular Neurobiology, Department of Biotechnology, University of Rijeka, 51000 Rijeka, Croatia
| | - Cynthia Sámano
- Departamento de Ciencias Naturales, Universidad Autónoma Metropolitana, Unidad Cuajimalpa. Avenida Vasco de Quiroga 4871, Col. Santa Fe Cuajimalpa. Alcaldía Cuajimalpa de Morelos, C.P. 05348, Ciudad de México, México
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3
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Cao F, Wang X, Ye Q, Yan F, Lu W, Xie J, Bi B, Wang X. Identifying circRNA-miRNA-mRNA Regulatory Networks in Chemotherapy-Induced Peripheral Neuropathy. Curr Issues Mol Biol 2023; 45:6804-6822. [PMID: 37623249 PMCID: PMC10453290 DOI: 10.3390/cimb45080430] [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: 07/18/2023] [Revised: 08/13/2023] [Accepted: 08/15/2023] [Indexed: 08/26/2023] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a frequent and severe side effect of first-line chemotherapeutic agents. The association between circular RNAs (circRNAs) and CIPN remains unclear. In this study, CIPN models were constructed with Taxol, while 134 differentially expressed circRNAs, 353 differentially expressed long non-coding RNAs, and 86 differentially expressed messenger RNAs (mRNAs) were identified utilizing RNA sequencing. CircRNA-targeted microRNAs (miRNAs) were predicted using miRanda, and miRNA-targeted mRNAs were predicted using TargetScan and miRDB. The intersection of sequencing and mRNA prediction results was selected to establish the circRNA-miRNA-mRNA networks, which include 15 circRNAs, 18 miRNAs, and 11 mRNAs. Functional enrichment pathway analyses and immune infiltration analyses revealed that differentially expressed mRNAs were enriched in the immune system, especially in T cells, monocytes, and macrophages. Cdh1, Satb2, Fas, P2ry2, and Zfhx2 were further identified as hub genes and validated by RT-qPCR, correlating with macrophages, plasmacytoid dendritic cells, and central memory CD4 T cells in CIPN. Additionally, we predicted the associated diseases, 36 potential transcription factors (TFs), and 30 putative drugs for hub genes using the DisGeNET, TRRUST, and DGIdb databases, respectively. Our results indicated the crucial role of circRNAs, and the immune microenvironment played in CIPN, providing novel insights for further research.
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Affiliation(s)
- Fei Cao
- Department of Anesthesiology, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China; (F.C.); (X.W.); (Q.Y.); (F.Y.); (W.L.); (J.X.)
| | - Xintong Wang
- Department of Anesthesiology, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China; (F.C.); (X.W.); (Q.Y.); (F.Y.); (W.L.); (J.X.)
| | - Qingqing Ye
- Department of Anesthesiology, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China; (F.C.); (X.W.); (Q.Y.); (F.Y.); (W.L.); (J.X.)
| | - Fang Yan
- Department of Anesthesiology, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China; (F.C.); (X.W.); (Q.Y.); (F.Y.); (W.L.); (J.X.)
| | - Weicheng Lu
- Department of Anesthesiology, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China; (F.C.); (X.W.); (Q.Y.); (F.Y.); (W.L.); (J.X.)
| | - Jingdun Xie
- Department of Anesthesiology, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China; (F.C.); (X.W.); (Q.Y.); (F.Y.); (W.L.); (J.X.)
| | - Bingtian Bi
- Department of Clinical Trial Center, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Xudong Wang
- Department of Anesthesiology, State Key Laboratory of Oncology in South China, Sun Yat-sen University Cancer Center, Guangzhou 510060, China; (F.C.); (X.W.); (Q.Y.); (F.Y.); (W.L.); (J.X.)
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4
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Yu Y, Xu X, Lin C, Liu R. Systematic identification of potential key microRNAs and circRNAs in the dorsal root ganglia of mice with sciatic nerve injury. Front Mol Neurosci 2023; 16:1119164. [PMID: 36998510 PMCID: PMC10043392 DOI: 10.3389/fnmol.2023.1119164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 02/21/2023] [Indexed: 03/15/2023] Open
Abstract
BackgroundNeuropathic pain (NeP) is a pathological condition arising from a lesion or disease affecting the somatosensory system. Accumulating evidence has shown that circular RNAs (circRNAs) exert critical functions in neurodegenerative diseases by sponging microRNAs (miRNAs). However, the functions and regulatory mechanisms of circRNAs as competitive endogenous RNAs (ceRNAs) in NeP remain to be determined.MethodsThe sequencing dataset GSE96051 was obtained from the public Gene Expression Omnibus (GEO) database. First, we conducted a comparison of gene expression profiles in the L3/L4 dorsal root ganglion (DRG) of sciatic nerve transection (SNT) mice (n = 5) and uninjured mice (Control) (n = 4) to define the differentially expressed genes (DEGs). Then, critical hub genes were screened by exploring protein–protein interaction (PPI) networks with Cytoscape software, and the miRNAs bound to them were predicted and selected and then validated by qRT-PCR. Furthermore, key circRNAs were predicted and filtered, and the network of circRNA-miRNA-mRNA in NeP was constructed.ResultsA total of 421 DEGs were identified, including 332 upregulated genes and 89 downregulated genes. Ten hub genes, including IL6, Jun, Cd44, Timp1, and Csf1, were identified. Two miRNAs, mmu-miR-181a-5p and mmu-miR-223-3p, were preliminarily verified as key regulators of NeP development. In addition, circARHGAP5 and circLPHN3 were identified as key circRNAs. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis demonstrated that these differentially expressed mRNAs and targeting miRNAs were involved in signal transduction, positive regulation of receptor-mediated endocytosis and regulation of neuronal synaptic plasticity. These findings have useful implications for the exploration of new mechanisms and therapeutic targets for NeP.ConclusionThese newly identified miRNAs and circRNAs in networks reveal potential diagnostic or therapeutic targets for NeP.
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Affiliation(s)
- Youfen Yu
- Department of Pain Management, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Xueru Xu
- Department of Pain Management, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
| | - Chun Lin
- Institute of Pain Research, School of Basic Medical Sciences, Fujian Medical University, Fuzhou, Fujian, China
| | - Rongguo Liu
- Department of Pain Management, Fujian Provincial Hospital, Shengli Clinical Medical College of Fujian Medical University, Fuzhou, China
- *Correspondence: Rongguo Liu,
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5
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Bielewicz J, Kamieniak M, Szymoniuk M, Litak J, Czyżewski W, Kamieniak P. Diagnosis and Management of Neuropathic Pain in Spine Diseases. J Clin Med 2023; 12:jcm12041380. [PMID: 36835916 PMCID: PMC9961043 DOI: 10.3390/jcm12041380] [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: 12/23/2022] [Revised: 01/31/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
Neuropathic pain is generally defined as a non-physiological pain experience caused by damage to the nervous system. It can occur spontaneously, as a reaction to a given stimulus, or independently of its action, leading to unusual pain sensations usually referred to as firing, burning or throbbing. In the course of spine disorders, pain symptoms commonly occur. According to available epidemiological studies, a neuropathic component of pain is often present in patients with spinal diseases, with a frequency ranging from 36% to 55% of patients. Distinguishing between chronic nociceptive pain and neuropathic pain very often remains a challenge. Consequently, neuropathic pain is often underdiagnosed in patients with spinal diseases. In reference to current guidelines for the treatment of neuropathic pain, gabapentin, serotonin and norepinephrine reuptake inhibitors and tricyclic antidepressants constitute first-line therapeutic agents. However, long-term pharmacologic treatment often leads to developing tolerance and resistance to used medications. Therefore, in recent years, a plethora of therapeutic methods for neuropathic pain have been developed and investigated to improve clinical outcomes. In this review, we briefly summarized current knowledge about the pathophysiology and diagnosis of neuropathic pain. Moreover, we described the most effective treatment approaches for neuropathic pain and discussed their relevance in the treatment of spinal pain.
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Affiliation(s)
- Joanna Bielewicz
- Department of Neurology, Medical University of Lublin, Jaczewskiego 8, 20-954 Lublin, Poland
| | - Maciej Kamieniak
- Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, Jaczewskiego 8, 20-954 Lublin, Poland
| | - Michał Szymoniuk
- Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, Jaczewskiego 8, 20-954 Lublin, Poland
- Correspondence:
| | - Jakub Litak
- Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, Jaczewskiego 8, 20-954 Lublin, Poland
- Department of Clinical Immunology, Medical University of Lublin, Chodźki 4A, 20-093 Lublin, Poland
| | - Wojciech Czyżewski
- Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, Jaczewskiego 8, 20-954 Lublin, Poland
- Department of Didactics and Medical Simulation, Medical University of Lublin, Chodźki 4, 20-093 Lublin, Poland
| | - Piotr Kamieniak
- Department of Neurosurgery and Pediatric Neurosurgery, Medical University of Lublin, Jaczewskiego 8, 20-954 Lublin, Poland
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Poonaki E, Kahlert UD, Meuth SG, Gorji A. The role of the ZEB1–neuroinflammation axis in CNS disorders. J Neuroinflammation 2022; 19:275. [PMCID: PMC9675144 DOI: 10.1186/s12974-022-02636-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Accepted: 10/31/2022] [Indexed: 11/21/2022] Open
Abstract
Zinc finger E-box binding homeobox 1 (ZEB1) is a master modulator of the epithelial–mesenchymal transition (EMT), a process whereby epithelial cells undergo a series of molecular changes and express certain characteristics of mesenchymal cells. ZEB1, in association with other EMT transcription factors, promotes neuroinflammation through changes in the production of inflammatory mediators, the morphology and function of immune cells, and multiple signaling pathways that mediate the inflammatory response. The ZEB1–neuroinflammation axis plays a pivotal role in the pathogenesis of different CNS disorders, such as brain tumors, multiple sclerosis, cerebrovascular diseases, and neuropathic pain, by promoting tumor cell proliferation and invasiveness, formation of the hostile inflammatory micromilieu surrounding neuronal tissues, dysfunction of microglia and astrocytes, impairment of angiogenesis, and dysfunction of the blood–brain barrier. Future studies are needed to elucidate whether the ZEB1–neuroinflammation axis could serve as a diagnostic, prognostic, and/or therapeutic target for CNS disorders.
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Affiliation(s)
- Elham Poonaki
- grid.411327.20000 0001 2176 9917Department of Neurology, Faculty of Medicine, Heinrich-Heine-University, Düsseldorf, Germany ,grid.5949.10000 0001 2172 9288Epilepsy Research Center, Department of Neurosurgery, Westfälische Wilhelms-Universität Münster, Domagkstr. 11, 48149 Münster, Germany
| | - Ulf Dietrich Kahlert
- grid.5807.a0000 0001 1018 4307Molecular and Experimental Surgery, Faculty of Medicine, University Clinic for General-, Visceral-, Vascular- and Transplantation Surgery, Otto-Von-Guericke-University, Magdeburg, Germany
| | - Sven G. Meuth
- grid.411327.20000 0001 2176 9917Department of Neurology, Faculty of Medicine, Heinrich-Heine-University, Düsseldorf, Germany
| | - Ali Gorji
- grid.5949.10000 0001 2172 9288Epilepsy Research Center, Department of Neurosurgery, Westfälische Wilhelms-Universität Münster, Domagkstr. 11, 48149 Münster, Germany ,grid.512981.60000 0004 0612 1380Shefa Neuroscience Research Center, Khatam Alanbia Hospital, Tehran, Iran ,grid.411583.a0000 0001 2198 6209Neuroscience Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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7
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Tan Y, Wang Z, Liu T, Gao P, Xu S, Tan L. RNA interference-mediated silencing of DNA methyltransferase 1 attenuates neuropathic pain by accelerating microglia M2 polarization. BMC Neurol 2022; 22:376. [PMID: 36183073 PMCID: PMC9526327 DOI: 10.1186/s12883-022-02860-6] [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: 04/24/2022] [Accepted: 08/30/2022] [Indexed: 11/10/2022] Open
Abstract
Background DNA methyltransferase 1 (DNMT1) exerts imperative functions in neuropathic pain (NP). This study explored the action of RNA interference-mediated DNMT1 silencing in NP by regulating microglial M2 polarization. Methods NP rat models were established using chronic constriction injury (CCI) and highly aggressive proliferating immortalized (HAPI) microglia were treated with lipopolysaccharide (LPS) to induce microglia M1 polarization, followed by treatment of DNMT1 siRNA or si-DNMT1/oe-DNMT1, respectively. The pain threshold of CCI rats was assessed by determining mechanical withdrawal threshold (MWT) and thermal withdrawal latency (TWL). Levels of inflammatory factors (TNF-α/IL-1β/IL-6/IL-10) and DNMT1 in rat L4-L6 spinal cord samples and HAPI cells were measured using ELISA, RT-qPCR, and Western blot. iNOS and Arg-1 mRNA levels were measured via RT-qPCR. DNMT1, M1 marker (iNOS), and M2 marker (Arg-1) levels in microglia of CCI rats were detected by immunofluorescence. Percentages of M1 microglia phenotype (CD16) and M2 microglia phenotype (CD206) were detected by flow cytometry. The phosphorylation of PI3K/Akt pathway-related proteins was determined by Western blot. Results CCI rats exhibited diminished MWT and TWL values, increased pro-inflammatory cytokines, and decreased anti-inflammatory cytokine IL-10. Additionally, DNMT1 was upregulated in CCI rat microglia. DNMT1 siRNA alleviated CCI-induced NP and facilitated M2 polarization of microglia in CCI rats. DNMT1 knockdown inhibited LPS-induced M1 polarization of HAPI cells and promoted M2 polarization by blocking the PI3K/Akt pathway, but DNMT1 overexpression inhibited the M1-to-M2 polarization of microglia. Conclusion RNA interference-mediated DNMT1 silencing accelerates microglia M2 polarization by impeding the PI3K/Akt pathway, thereby alleviating CCI-induced NP. Supplementary Information The online version contains supplementary material available at 10.1186/s12883-022-02860-6.
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Affiliation(s)
- Ying Tan
- Department of Spinal Surgery, Weifang Traditional Chinese Medicine Hospital, No.1055, Weizhou Road, Kuiwen District, Weifang, 261041, China.
| | - Zongjiang Wang
- Department of Spinal Surgery, Sunshine Union Hospital, Weifang, 261041, China
| | - Tao Liu
- Department of Spinal Surgery, Weifang Traditional Chinese Medicine Hospital, No.1055, Weizhou Road, Kuiwen District, Weifang, 261041, China
| | - Peng Gao
- Department of Spinal Surgery, Weifang Traditional Chinese Medicine Hospital, No.1055, Weizhou Road, Kuiwen District, Weifang, 261041, China
| | - Shitao Xu
- Department of Spinal Surgery, Weifang Traditional Chinese Medicine Hospital, No.1055, Weizhou Road, Kuiwen District, Weifang, 261041, China
| | - Lei Tan
- Department of Spinal Surgery, Weifang Traditional Chinese Medicine Hospital, No.1055, Weizhou Road, Kuiwen District, Weifang, 261041, China.
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8
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Fang ZH, Liao HL, Tang QF, Liu YJ, Zhang YY, Lin J, Yu HP, Zhou C, Li CJ, Liu F, Shen JF. Interactions Among Non-Coding RNAs and mRNAs in the Trigeminal Ganglion Associated with Neuropathic Pain. J Pain Res 2022; 15:2967-2988. [PMID: 36171980 PMCID: PMC9512292 DOI: 10.2147/jpr.s382692] [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: 07/23/2022] [Accepted: 09/13/2022] [Indexed: 11/23/2022] Open
Abstract
Background Recent studies have demonstrated the contribution of non-coding RNAs (ncRNAs) to neuropathic pain. However, the expression profile of ncRNAs in the trigeminal ganglion (TG) and their functional mechanism underlying trigeminal neuropathic pain are still unclear. Methods In the present study, the trigeminal neuropathic pain model induced by chronic constriction injury of the infraorbital nerve (CCI-ION) was used to study the expression profile and potential regulatory mechanism of miRNAs, lncRNAs, circRNAs, and mRNAs in the TG by RNA-sequencing (RNA-seq) and bioinformatics analysis. CCI-ION mice suffered from mechanical allodynia from 3 days to 28 days after surgery. Results The RNA-seq results discovered 67 miRNAs, 216 lncRNAs, 14 circRNAs, 595 mRNAs, and 421 genes were differentially expressed (DE) in the TG of CCI-ION mice 7 days after surgery. And 39 DEGs were known pain genes. Besides, 5 and 35 pain-related DE mRNAs could be targeted by 6 DE miRNAs and 107 DE lncRNAs, respectively. And 23 pain-related DEGs had protein–protein interactions (PPI) with each other. GO analysis indicated membrane-related cell components and binding-related molecular functions were significantly enriched. KEGG analysis showed that nociception-related signaling pathways were significantly enriched for DE ncRNAs and DEGs. Finally, the competing endogenous RNA (ceRNA) regulatory network of DE lncRNA/DE circRNA-DE miRNA-DE mRNA existed in the TG of mice with trigeminal neuropathic pain. Conclusion Our findings demonstrate ncRNAs are involved in the development of trigeminal neuropathic pain, possibly through the ceRNA mechanism, which brings a new bright into the study of trigeminal neuropathic pain and the development of novel treatments targeting ncRNAs.
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Affiliation(s)
- Zhong-Han Fang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Hong-Lin Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Qing-Feng Tang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Ya-Jing Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Yan-Yan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Jiu Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Hao-Peng Yu
- West China Biomedical Big Data Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Cheng Zhou
- Laboratory of Anesthesia and Critical Care Medicine, Translational Neuroscience Center, West China Hospital, Sichuan University, Chengdu, People's Republic of China
| | - Chun-Jie Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Head and Neck Oncology, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Fei Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
| | - Jie-Fei Shen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Center for Stomatology, West China School of Stomatology, Sichuan University, Chengdu, People's Republic of China.,Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, People's Republic of China
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9
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Liu C, Gao R, Tang Y, Chen H, Zhang X, Sun Y, Zhao Q, Lv P, Wang H, Ye-Lehmann S, Liu J, Chen C. Identification of potential key circular RNAs related to cognitive impairment after chronic constriction injury of the sciatic nerve. Front Neurosci 2022; 16:925300. [PMID: 36061613 PMCID: PMC9433970 DOI: 10.3389/fnins.2022.925300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/14/2022] [Indexed: 11/13/2022] Open
Abstract
Chronic neuropathic pain is commonly accompanied by cognitive impairment. However, the underlying mechanism in the occurrence of cognitive deficits under constant nociceptive irritation remains elusive. Herein, we established a chronic neuropathic pain model by chronic constriction injury (CCI) of the unilateral sciatic nerve in rats. Behavioral tests indicated that CCI rats with long-term nociceptive threshold decline developed significant dysfunction of working memory and recognitive memory starting at 14 days and lasting for at least 21 days. Afterward, circRNA expression profiles in the hippocampus of CCI and sham rats were analyzed via high-throughput sequencing to explore the potential key factors associated with cognitive impairment induced by ongoing nociception, which showed 76 differentially expressed circRNAs, 39 upregulated and 37 downregulated, in the CCI group. These differentially expressed circRNA host genes were validated to be primarily associated with inflammation and apoptotic signaling pathways according to GO/KEGG analysis and the circRNA-miRNA-mRNA network, which was also confirmed through the analysis of neuroinflammation and neuronal apoptosis. Consequently, we assumed that enhanced neuroinflammation and neuronal apoptosis might act as potential regulators of cognitive impairment induced by chronic neuropathic pain. The identification of the regulatory mechanism would provide promising clinical biomarkers or therapeutic targets in the diagnostic prediction and intervention treatment of memory deficits under neuropathic pain conditions.
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Affiliation(s)
- Changliang Liu
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Rui Gao
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Yidan Tang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Hai Chen
- Targeted Tracer Research and Development Laboratory, Department of Respiratory and Critical Care Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Xueying Zhang
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Yalan Sun
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Qi Zhao
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Peilin Lv
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Haiyang Wang
- Department of Otolaryngology, Head and Neck Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Shixin Ye-Lehmann
- Unité INSERM U1195, Hôpital de Bicêtre, Université Paris-Saclay, Paris, France
| | - Jin Liu
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
| | - Chan Chen
- Department of Anesthesiology, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, China
- Laboratory of Anesthesia and Critical Care Medicine, National-Local Joint Engineering Research Center of Translational Medicine of Anesthesiology, West China Hospital, Sichuan University, Chengdu, China
- The Research Units of West China, Chinese Academy of Medical Sciences, Chengdu, China
- *Correspondence: Chan Chen, ,
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10
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Wen J, Xu Y, Yu Z, Zhou Y, Wang W, Yang J, Wang Y, Bai Q, Li Z. The cAMP Response Element- Binding Protein/Brain-Derived Neurotrophic Factor Pathway in Anterior Cingulate Cortex Regulates Neuropathic Pain and Anxiodepression Like Behaviors in Rats. Front Mol Neurosci 2022; 15:831151. [PMID: 35401106 PMCID: PMC8987281 DOI: 10.3389/fnmol.2022.831151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Accepted: 02/17/2022] [Indexed: 01/24/2023] Open
Abstract
Neuropathic pain is often accompanied by anxiety and depression-like manifestations. Many studies have shown that alterations in synaptic plasticity in the anterior cingulate cortex (ACC) play a critical role, but the specific underlying mechanisms remain unclear. Previously, we showed that cAMP response element-binding protein (CREB) in the dorsal root ganglion (DRG) acts as a transcription factor contributing to neuropathic pain development. At the same time, brain-derived neurotrophic factor (BDNF), as important targets of CREB, is intricate in neuronal growth, differentiation, as well as the establishment of synaptic plasticity. Here, we found that peripheral nerve injury activated the spinal cord and ACC, and silencing the ACC resulted in significant relief of pain sensitivity, anxiety, and depression in SNI rats. In parallel, the CREB/BDNF pathway was activated in the spinal cord and ACC. Central specific knockdown and peripheral non-specific inhibition of CREB reversed pain sensitivity and anxiodepression induced by peripheral nerve injury. Consequently, we identified cingulate CREB/BDNF as an assuring therapeutic method for treating neuropathic pain as well as related anxiodepression.
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Affiliation(s)
- Jing Wen
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Neuroscience, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Yaowei Xu
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Neuroscience, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
| | - Zhixiang Yu
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yifan Zhou
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Wenting Wang
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jingjie Yang
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yiming Wang
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Qian Bai
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Qian Bai,
| | - Zhisong Li
- Department of Anesthesiology and Perioperative Medicine, Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Institute of Neuroscience, Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- Zhisong Li,
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11
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Irfan J, Febrianto MR, Sharma A, Rose T, Mahmudzade Y, Di Giovanni S, Nagy I, Torres-Perez JV. DNA Methylation and Non-Coding RNAs during Tissue-Injury Associated Pain. Int J Mol Sci 2022; 23:ijms23020752. [PMID: 35054943 PMCID: PMC8775747 DOI: 10.3390/ijms23020752] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/04/2022] [Accepted: 01/07/2022] [Indexed: 02/01/2023] Open
Abstract
While about half of the population experience persistent pain associated with tissue damages during their lifetime, current symptom-based approaches often fail to reduce such pain to a satisfactory level. To provide better patient care, mechanism-based analgesic approaches must be developed, which necessitates a comprehensive understanding of the nociceptive mechanism leading to tissue injury-associated persistent pain. Epigenetic events leading the altered transcription in the nervous system are pivotal in the maintenance of pain in tissue injury. However, the mechanisms through which those events contribute to the persistence of pain are not fully understood. This review provides a summary and critical evaluation of two epigenetic mechanisms, DNA methylation and non-coding RNA expression, on transcriptional modulation in nociceptive pathways during the development of tissue injury-associated pain. We assess the pre-clinical data and their translational implication and evaluate the potential of controlling DNA methylation and non-coding RNA expression as novel analgesic approaches and/or biomarkers of persistent pain.
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Affiliation(s)
- Jahanzaib Irfan
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Muhammad Rizki Febrianto
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Anju Sharma
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Thomas Rose
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Yasamin Mahmudzade
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
| | - Simone Di Giovanni
- Department of Brain Sciences, Division of Neuroscience, Imperial College London, E505, Burlington Danes, Du Cane Road, London W12 ONN, UK;
| | - Istvan Nagy
- Nociception Group, Department of Surgery and Cancer, Division of Anaesthetics, Pain Medicine and Intensive Care, Chelsea and Westminster Hospital Campus, Imperial College London, 369 Fulham Road, London SW10 9FJ, UK; (J.I.); (M.R.F.); (A.S.); (T.R.); (Y.M.)
- Correspondence: (I.N.); (J.V.T.-P.)
| | - Jose Vicente Torres-Perez
- Department of Brain Sciences, Dementia Research Institute, Imperial College London, 86 Wood Ln, London W12 0BZ, UK
- Departament de Biologia Cellular, Biologia Funcional i Antropologia Física, Facultat de Ciències Biològiques, Universitat de València, C/Dr. Moliner 50, 46100 Burjassot, Spain
- Correspondence: (I.N.); (J.V.T.-P.)
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