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Guo F, Wang N, Yu C, Fan Y, Chen D. Genetic association between long non-coding RNA MIAT polymorphism and ischemic stroke susceptibility in the Chinese population. J Stroke Cerebrovasc Dis 2024; 33:107813. [PMID: 38871261 DOI: 10.1016/j.jstrokecerebrovasdis.2024.107813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Revised: 06/03/2024] [Accepted: 06/10/2024] [Indexed: 06/15/2024] Open
Abstract
OBJECTIVES The genetic association of long non-coding RNAs (lncRNAs) polymorphism with ischemic stroke (IS) susceptibility is not fully understood. To explore whether lncRNA MIAT rs1894720 polymorphism can predict the susceptibility of IS in the Chinese Han population. MATERIALS AND METHODS 200 IS cases and 200 healthy controls were enrolled. Serum MIAT levels were tested via qRT-PCR. Rs1894720 genotyping was accomplished through Sanger sequencing. RESULTS MIAT rs1894720 genotypes were differentially distributed in IS and control groups. Rs1894720 TT genotype was considered to be a protective factor for IS risk in dominant model (GT + TT vs GG: OR = 0.630, 95 % CI = 0.412-0.962, P = 0.032). Further stratification results showed that individuals carrying the rs1894720 G allele in people older than 65 years, men, smokers, or those with hypertension had a higher risk of IS. MIAT rs1894720 GG genotype was positively related to the susceptibility to IS of LAA subtype compared with the healthy controls. GG genotype carriers had high serum MIAT levels compared to those with GT and TT genotypes. CONCLUSIONS MIAT rs1894720 polymorphism was associated with the risk of IS in the Chinese Han population, especially for LAA subtype. Rs1894720 GG genotype carriers were at greater risk of developing IS.
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Affiliation(s)
- Fengning Guo
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou 221000, China
| | - Nuan Wang
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou 221000, China
| | - Chunyu Yu
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou 221000, China
| | - Youmin Fan
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou 221000, China
| | - Dan Chen
- Department of Neurology, The First People's Hospital of Xuzhou, Xuzhou 221000, China.
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2
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Ciaccio AM, Tuttolomondo A. Epigenetics of cerebrovascular diseases: an update review of clinical studies. Epigenomics 2024; 16:1043-1055. [PMID: 39072474 PMCID: PMC11404611 DOI: 10.1080/17501911.2024.2377947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Accepted: 07/05/2024] [Indexed: 07/30/2024] Open
Abstract
Cerebrovascular diseases, especially stroke, are critical and heterogenous clinical conditions associated with high mortality and chronic disability. Genome-wide association studies reveal substantial stroke heritability, though specific genetic variants account for a minor fraction of stroke risk, suggesting an essential role for the epigenome. Epigenome-wide association studies and candidate gene approaches show that DNA methylation patterns significantly influence stroke susceptibility. Additionally, chromatin remodelers and non-coding RNA regulate gene expression in response to ischemic conditions. In this updated review, we summarized the progress of knowledge on epigenetics in the field of ischemic stroke underlying opportunities and challenges.
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Affiliation(s)
- Anna Maria Ciaccio
- Internal Medicine & Stroke Care Ward, PROMISE Department, University of Palermo, Piazza delle Cliniche n.2, 90127, Palermo, Italy
| | - Antonino Tuttolomondo
- Internal Medicine & Stroke Care Ward, PROMISE Department, University of Palermo, Piazza delle Cliniche n.2, 90127, Palermo, Italy
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3
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Butler T, Davey MG, Kerin MJ. Molecular Morbidity Score-Can MicroRNAs Assess the Burden of Disease? Int J Mol Sci 2024; 25:8042. [PMID: 39125612 PMCID: PMC11312210 DOI: 10.3390/ijms25158042] [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: 06/21/2024] [Revised: 07/17/2024] [Accepted: 07/18/2024] [Indexed: 08/12/2024] Open
Abstract
Multimorbidity refers to the presence of two or more chronic diseases and is associated with adverse outcomes for patients. Factors such as an ageing population have contributed to a rise in prevalence of multimorbidity globally; however, multimorbidity is often neglected in clinical guidelines. This is largely because patients with multimorbidity are systematically excluded from clinical trials. Accordingly, there is an urgent need to develop novel biomarkers and methods of prognostication for this cohort of patients. The hallmarks of ageing are now thought to potentiate the pathogenesis of multimorbidity. MicroRNAs are small, regulatory, noncoding RNAs which have been implicated in the pathogenesis and prognostication of numerous chronic diseases; there is a substantial body of evidence now implicating microRNA dysregulation with the different hallmarks of ageing in the aetiology of chronic diseases. This article proposes using the hallmarks of ageing as a framework to develop a panel of microRNAs to assess the prognostic burden of multimorbidity. This putative molecular morbidity score would have many potential applications, including assessing the efficacy of clinical interventions, informing clinical decision making and facilitating wider inclusion of patients with multimorbidity in clinical trials.
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Affiliation(s)
- Thomas Butler
- Department of Surgery, Lambe Institute for Translational Research, University of Galway, H91 TK33 Galway, Ireland; (M.G.D.); (M.J.K.)
| | - Matthew G. Davey
- Department of Surgery, Lambe Institute for Translational Research, University of Galway, H91 TK33 Galway, Ireland; (M.G.D.); (M.J.K.)
| | - Michael J. Kerin
- Department of Surgery, Lambe Institute for Translational Research, University of Galway, H91 TK33 Galway, Ireland; (M.G.D.); (M.J.K.)
- Department of Surgery, University Hospital Galway, Newcastle Road, H91 YR71 Galway, Ireland
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4
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Zeinelabdeen Y, Abaza T, Yasser MB, Elemam NM, Youness RA. MIAT LncRNA: A multifunctional key player in non-oncological pathological conditions. Noncoding RNA Res 2024; 9:447-462. [PMID: 38511054 PMCID: PMC10950597 DOI: 10.1016/j.ncrna.2024.01.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 12/27/2023] [Accepted: 01/14/2024] [Indexed: 03/22/2024] Open
Abstract
The discovery of non-coding RNAs (ncRNAs) has unveiled a wide range of transcripts that do not encode proteins but play key roles in several cellular and molecular processes. Long noncoding RNAs (lncRNAs) are specific class of ncRNAs that are longer than 200 nucleotides and have gained significant attention due to their diverse mechanisms of action and potential involvement in various pathological conditions. In the current review, the authors focus on the role of lncRNAs, specifically highlighting the Myocardial Infarction Associated Transcript (MIAT), in non-oncological context. MIAT is a nuclear lncRNA that has been directly linked to myocardial infarction and is reported to control post-transcriptional processes as a competitive endogenous RNA (ceRNA) molecule. It interacts with microRNAs (miRNAs), thereby limiting the translation and expression of their respective target messenger RNA (mRNA) and regulating protein expression. Yet, MIAT has been implicated in other numerous pathological conditions such as other cardiovascular diseases, autoimmune disease, neurodegenerative diseases, metabolic diseases, and many others. In this review, the authors emphasize that MIAT exhibits distinct expression patterns and functions across different pathological conditions and is emerging as potential diagnostic, prognostic, and therapeutic agent. Additionally, the authors highlight the regulatory role of MIAT and shed light on the involvement of lncRNAs and specifically MIAT in various non-oncological pathological conditions.
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Affiliation(s)
- Yousra Zeinelabdeen
- Molecular Genetics Research Team, Molecular Biology and Biochemistry Department, Faculty of Biotechnology, German International University (GIU), Cairo, 11835, Egypt
- Faculty of Medical Sciences/UMCG, University of Groningen, Antonius Deusinglaan 1, Groningen, 9713 AV, the Netherlands
| | - Tasneem Abaza
- Molecular Genetics Research Team, Molecular Biology and Biochemistry Department, Faculty of Biotechnology, German International University (GIU), Cairo, 11835, Egypt
- Biotechnology and Biomolecular Biochemistry Program, Faculty of Science, Cairo University, Cairo, Egypt
| | - Montaser Bellah Yasser
- Bioinformatics Group, Center for Informatics Sciences (CIS), School of Information Technology and Computer Science (ITCS), Nile University, Giza, Egypt
| | - Noha M. Elemam
- Clinical Sciences Department, College of Medicine, University of Sharjah, Sharjah, United Arab Emirates
- Research Institute for Medical and Health Sciences, University of Sharjah, Sharjah, United Arab Emirates
| | - Rana A. Youness
- Molecular Genetics Research Team, Molecular Biology and Biochemistry Department, Faculty of Biotechnology, German International University (GIU), Cairo, 11835, Egypt
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5
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Weng YH, Chen J, Yu WT, Luo YP, Liu C, Yang J, Liu HB. lncRNA-MIAT rs9625066 polymorphism could be a potential biomarker for ischemic stroke. BMC Med Genomics 2024; 17:58. [PMID: 38383415 PMCID: PMC10882908 DOI: 10.1186/s12920-024-01830-w] [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: 12/16/2023] [Accepted: 02/10/2024] [Indexed: 02/23/2024] Open
Abstract
BACKGROUND Ischemic stroke (IS) is a common and serious neurological condition that is highly fatal but so far no early diagnostic markers are available. Myocardial infarction-associated transcript (MIAT) is a long non-coding RNA (lncRNA) that could lead to IS by inducing autophagy and apoptosis in neuronal cells. However, there has been no report on the link between susceptibility to IS and the single-nucleotide polymorphisms (SNPs) of MIAT. This study aimed to investigate the association between MIAT gene polymorphisms and IS risk. METHODS A total of 320 IS patients and 310 age-, sex- and race-matched controls were included in this study. Four polymorphisms (rs2157598, rs5761664, rs1894720, and rs9625066) were genotyped by using SNPscan technique. RESULTS Among the 4 polymorphisms of MIAT, only rs9625066 was associated with IS risk (CA vs. CC: adjusted OR = 0.55, 95% CI, 0.37-0.85, P = 0.006; AA vs. CC: adjusted OR = 0.39, 95% CI, 0.16-0.94, P = 0.036; (AA + CA vs. CC: adjusted OR = 0.53, 95% CI, 0.35-0.80, P = 0.002; A vs. C adjusted OR = 0.59, 95% CI, 0.42-0.82, P = 0.002). Haplotype analysis showed a 1.32-fold increase (95% CI, 1.05-1.67, P = 0.017) in IS risk for rs2157598-rs5761664-rs1894720-rs9625066 (A-C-G-C). Logistic regression analysis identified some independent impact factors for IS including rs9625066 AA/AC, TC, TG, HDL-C (P < 0.05). CONCLUSION The rs9625066 polymorphism of MIAT might be associated with IS susceptibility in Chinese population, in which AA/CA plays a protective role in IS, whereas the CC genotype increases the risk of developing IS, suggesting it might be a marker predictive of IS risk.
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Affiliation(s)
- Yin-Hua Weng
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
| | - Jie Chen
- Department of Laboratory Medicine, Affiliated Hospital of Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Wen-Tao Yu
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Yan-Ping Luo
- Department of Laboratory Medicine, Affiliated Hospital of Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
| | - Chao Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China
- School of Clinical Medicine, Guilin Medical University, Guilin, China
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China
| | - Jun Yang
- Department of Laboratory Medicine, Affiliated Hospital of Guilin Medical University, Guilin, China.
| | - Hong-Bo Liu
- Department of Laboratory Medicine, The Second Affiliated Hospital of Guilin Medical University, Guilin, China.
- College of Medical Laboratory Science, Guilin Medical University, Guilin, China.
- Guangxi Key Laboratory of Metabolic Reprogramming and Intelligent Medical Engineering for Chronic Diseases, Guangxi Clinical Research Center for Diabetes and Metabolic Diseases, The Second Affiliated Hospital of Guilin Medical University, Guilin, China.
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6
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Edwardson MA, Shivapurkar N, Li J, Khan M, Smith J, Giannetti ML, Fan R, Dromerick AW. Expansion of plasma MicroRNAs over the first month following human stroke. J Cereb Blood Flow Metab 2023; 43:2130-2143. [PMID: 37694957 PMCID: PMC10925862 DOI: 10.1177/0271678x231196982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 05/05/2023] [Accepted: 06/07/2023] [Indexed: 09/12/2023]
Abstract
Few have characterized miRNA expression during the transition from injury to neural repair and secondary neurodegeneration following stroke in humans. We compared expression of 754 miRNAs from plasma samples collected 5, 15, and 30 days post-ischemic stroke from a discovery cohort (n = 55) and 15-days post-ischemic stroke from a validation cohort (n = 48) to healthy control samples (n = 55 and 48 respectively) matched for age, sex, race and cardiovascular comorbidities using qRT-PCR. Eight miRNAs remained significantly altered across all time points in both cohorts including many described in acute stroke. The number of significantly dysregulated miRNAs more than doubled from post-stroke day 5 (19 miRNAs) to days 15 (50 miRNAs) and 30 (57 miRNAs). Twelve brain-enriched miRNAs were significantly altered at one or more time points (decreased expression, stroke versus controls: miR-107; increased expression: miR-99-5p, miR-127-3p, miR-128-3p, miR-181a-3p, miR-181a-5p, miR-382-5p, miR-433-3p, miR-491-5p, miR-495-3p, miR-874-3p, and miR-941). Many brain-enriched miRNAs were associated with apoptosis over the first month post-stroke whereas other miRNAs suggested a transition to synapse regulation and neuronal protection by day 30. These findings suggest that a program of decreased cellular proliferation may last at least 30 days post-stroke, and points to specific miRNAs that could contribute to neural repair in humans.
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Affiliation(s)
- Matthew A Edwardson
- Department of Neurology, Georgetown University, Washington, DC, USA
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | | | - James Li
- Department of Biostatistics, Bioinformatics, and Mathematics, Georgetown University, Washington, DC, USA
| | - Muhib Khan
- Spectrum Health, Grand Rapids, MI, USA
- Michigan State University, College of Human Medicine, Grand Rapids, MI, USA
| | - Jamal Smith
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | - Margot L Giannetti
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
| | - Ruzong Fan
- Department of Biostatistics, Bioinformatics, and Mathematics, Georgetown University, Washington, DC, USA
| | - Alexander W Dromerick
- Department of Neurology, Georgetown University, Washington, DC, USA
- Research Division, MedStar National Rehabilitation Hospital, Washington, DC, USA
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7
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Becker J, Sun B, Alammari F, Haerty W, Vance KW, Szele FG. What has single-cell transcriptomics taught us about long non-coding RNAs in the ventricular-subventricular zone? Stem Cell Reports 2022; 18:354-376. [PMID: 36525965 PMCID: PMC9860170 DOI: 10.1016/j.stemcr.2022.11.011] [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: 04/25/2022] [Revised: 11/14/2022] [Accepted: 11/14/2022] [Indexed: 12/16/2022] Open
Abstract
Long non-coding RNA (lncRNA) function is mediated by the process of transcription or through transcript-dependent associations with proteins or nucleic acids to control gene regulatory networks. Many lncRNAs are transcribed in the ventricular-subventricular zone (V-SVZ), a postnatal neural stem cell niche. lncRNAs in the V-SVZ are implicated in neurodevelopmental disorders, cancer, and brain disease, but their functions are poorly understood. V-SVZ neurogenesis capacity declines with age due to stem cell depletion and resistance to neural stem cell activation. Here we analyzed V-SVZ transcriptomics by pooling current single-cell RNA-seq data. They showed consistent lncRNA expression during stem cell activation, lineage progression, and aging. In conjunction with epigenetic and genetic data, we predicted V-SVZ lncRNAs that regulate stem cell activation and differentiation. Some of the lncRNAs validate known epigenetic mechanisms, but most remain uninvestigated. Our analysis points to several lncRNAs that likely participate in key aspects of V-SVZ stem cell activation and neurogenesis in health and disease.
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Affiliation(s)
- Jemima Becker
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - Bin Sun
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK
| | - Farah Alammari
- Department of Blood and Cancer Research, King Abdullah International Medical Research Center, Riyadh, Saudi Arabia,Clinical Laboratory Sciences Department, College of Applied Medical Sciences, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | | | - Keith W. Vance
- Department of Life Sciences, University of Bath, Bath, UK
| | - Francis George Szele
- Department of Physiology, Anatomy and Genetics, University of Oxford, Oxford, UK.
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8
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Yang K, Zeng L, Ge A, Wang S, Zeng J, Yuan X, Mei Z, Wang G, Ge J. A systematic review of the research progress of non-coding RNA in neuroinflammation and immune regulation in cerebral infarction/ischemia-reperfusion injury. Front Immunol 2022; 13:930171. [PMID: 36275741 PMCID: PMC9585453 DOI: 10.3389/fimmu.2022.930171] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/08/2022] [Indexed: 11/15/2022] Open
Abstract
Cerebral infarction/ischemia-reperfusion injury is currently the disease with the highest mortality and disability rate of cardiovascular disease. Current studies have shown that nerve cells die of ischemia several hours after ischemic stroke, which activates the innate immune response in the brain, promotes the production of neurotoxic substances such as inflammatory cytokines, chemokines, reactive oxygen species and − nitrogen oxide, and mediates the destruction of blood-brain barrier and the occurrence of a series of inflammatory cascade reactions. Meanwhile, the expression of adhesion molecules in cerebral vascular endothelial cells increased, and immune inflammatory cells such as polymorphonuclear neutrophils, lymphocytes and mononuclear macrophages passed through vascular endothelial cells and entered the brain tissue. These cells recognize antigens exposed by the central nervous system in the brain, activate adaptive immune responses, and further mediate secondary neuronal damage, aggravating neurological deficits. In order to reduce the above-mentioned damage, the body induces peripheral immunosuppressive responses through negative feedback, which increases the incidence of post-stroke infection. This process is accompanied by changes in the immune status of the ischemic brain tissue in local and systemic systems. A growing number of studies implicate noncoding RNAs (ncRNAs) as novel epigenetic regulatory elements in the dysfunction of various cell subsets in the neurovascular unit after cerebral infarction/ischemia-reperfusion injury. In particular, recent studies have revealed advances in ncRNA biology that greatly expand the understanding of epigenetic regulation of immune responses and inflammation after cerebral infarction/ischemia-reperfusion injury. Identification of aberrant expression patterns and associated biological effects of ncRNAs in patients revealed their potential as novel biomarkers and therapeutic targets for cerebral infarction/ischemia-reperfusion injury. Therefore, this review systematically presents recent studies on the involvement of ncRNAs in cerebral infarction/ischemia-reperfusion injury and neuroimmune inflammatory cascades, and elucidates the functions and mechanisms of cerebral infarction/ischemia-reperfusion-related ncRNAs, providing new opportunities for the discovery of disease biomarkers and targeted therapy. Furthermore, this review introduces clustered regularly interspaced short palindromic repeats (CRISPR)-Display as a possible transformative tool for studying lncRNAs. In the future, ncRNA is expected to be used as a target for diagnosing cerebral infarction/ischemia-reperfusion injury, judging its prognosis and treatment, thereby significantly improving the prognosis of patients.
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Affiliation(s)
- Kailin Yang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Liuting Zeng
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Anqi Ge
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Shanshan Wang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Jinsong Zeng
- The First Hospital of Hunan University of Chinese Medicine, Changsha, China
| | - Xiao Yuan
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Zhigang Mei
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Guozuo Wang
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
| | - Jinwen Ge
- Key Laboratory of Hunan Province for Integrated Traditional Chinese and Western Medicine on Prevention and Treatment of Cardio-Cerebral Diseases, Hunan University of Chinese Medicine, Changsha, China
- Hunan Academy of Chinese Medicine, Changsha, China
- *Correspondence: Jinwen Ge,
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Zhang Q, Zhong C, Yan Q, Zeng LH, Gao W, Duan S. miR-874: An Important Regulator in Human Diseases. Front Cell Dev Biol 2022; 10:784968. [PMID: 35465322 PMCID: PMC9019486 DOI: 10.3389/fcell.2022.784968] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 03/23/2022] [Indexed: 11/23/2022] Open
Abstract
miR-874 is located at 5q31.2, which is frequently deleted in cancer. miR-874 is downregulated in 22 types of cancers and aberrantly expressed in 18 types of non-cancer diseases. The dysfunction of miR-874 is not only closely related to the diagnosis and prognosis of tumor patients but also plays an important role in the efficacy of tumor chemotherapy drugs. miR-874 participates in the ceRNA network of long non-coding RNAs or circular RNAs, which is closely related to the occurrence and development of cancer and other non-cancer diseases. In addition, miR-874 is also involved in the regulation of multiple signaling pathways, including the Wnt/β-catenin signaling pathway, Hippo signaling pathway, PI3K/AKT signaling pathway, JAK/STAT signaling pathway, and Hedgehog signaling pathway. This review summarizes the molecular functions of miR-874 in the biological processes of tumor cell survival, apoptosis, differentiation, and tumorigenesis, and reveal the value of miR-874 as a cancer biomarker in tumor diagnosis and prognosis. Future work is necessary to explore the potential clinical application of miR-874 in chemotherapy resistance.
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Affiliation(s)
- Qiudan Zhang
- School of Medicine, Zhejiang University City College, Hangzhou, China
- Medical Genetics Center, School of Medicine, Ningbo University, Ningbo, China
| | - Chenming Zhong
- Medical Genetics Center, School of Medicine, Ningbo University, Ningbo, China
| | - Qianqian Yan
- Medical Genetics Center, School of Medicine, Ningbo University, Ningbo, China
| | - Ling-hui Zeng
- School of Medicine, Zhejiang University City College, Hangzhou, China
| | - Wei Gao
- School of Medicine, Zhejiang University City College, Hangzhou, China
- *Correspondence: Wei Gao, ; Shiwei Duan,
| | - Shiwei Duan
- School of Medicine, Zhejiang University City College, Hangzhou, China
- Medical Genetics Center, School of Medicine, Ningbo University, Ningbo, China
- *Correspondence: Wei Gao, ; Shiwei Duan,
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10
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Dai Y, Sheng Y, Deng Y, Wang H, Zhao Z, Yu X, Xu T. Circ_0000647 promotes cell injury by modulating miR-126-5p/TRAF3 axis in oxygen-glucose deprivation and reperfusion-induced SK-N-SH cell model. Int Immunopharmacol 2022; 104:108464. [PMID: 35021128 DOI: 10.1016/j.intimp.2021.108464] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/09/2021] [Accepted: 12/12/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Emerging evidence has shown that circular RNAs (circRNAs) are involved in the pathogenesis of ischemic stroke (IS). Nonetheless, the function of circ_0000647 was not reported. METHODS Oxygen-glucose deprivation and reperfusion (OGD/R)-treated SK-N-SH cells were used to mimic cerebral ischemia/reperfusion (I/R) conditions. Quantitative real-time polymerase chain reaction (qRT-PCR) and western blot were used to measure the levels of circ_0000647, microRNA-126-5p (miR-126-5p) and TNF receptor associated factor 3 (TRAF3). Cell Counting Kit-8 (CCK-8) assay, 5'-ethynyl-2'-deoxyuridine (EDU) assay and flow cytometry analysis were employed to assess cell proliferation and apoptosis. Enzyme-linked immunosorbent assay (ELISA) was conducted for the concentrations of IL-6 and TNF-α. Oxidative stress was assessed by determining malondialdehyde (MDA) level and superoxide dismutase (SOD) activity. Dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay were adopted to estimate the relationships of circ_0000647, miR-126-5p and TRAF3. The morphology and size of exosomes were observed via transmission electron microscopy (TEM) and nanoparticle tracking analysis (NTA) analysis. RESULTS Circ_0000647 was elevated in OGD/R-treated SK-N-SH cells. OGD/R treatment suppressed the proliferation and promoted the apoptosis, inflammation and oxidative stress in SK-N-SH cells, while circ_0000647 knockdown reversed the effects. Circ_0000647 could sponge miR-126-5p, which directly targeted TRAF3. MiR-126-5p overexpression alleviated OGD/R-induced SK-N-SH cell damage and miR-126-5p inhibition reversed the effect of circ_0000647 knockdown on OGD/R-induced SK-N-SH cell damage. Moreover, TRAF3 elevation abated miR-126-5p-mediated effect on SK-N-SH cell injury. In addition, exosomal circ_0000647 level was increased in OGD/R-stimulated SK-N-SH cells. CONCLUSION Circ_0000647 interference relieved OGD/R-induced SK-N-SH cell damage by altering miR-126-5p/TRAF3 axis.
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Affiliation(s)
- Yuanqiang Dai
- Department of Faculty of Anesthesiology, Changhai Hospital Affiliated to Naval Medical University, Shanghai 200433, China
| | - Ying Sheng
- Department of Faculty of Anesthesiology, Changhai Hospital Affiliated to Naval Medical University, Shanghai 200433, China
| | - Yu Deng
- Department of Faculty of Anesthesiology, Changhai Hospital Affiliated to Naval Medical University, Shanghai 200433, China
| | - Heng Wang
- Department of Faculty of Anesthesiology, Changhai Hospital Affiliated to Naval Medical University, Shanghai 200433, China
| | - Zhenzhen Zhao
- Department of Faculty of Anesthesiology, Changhai Hospital Affiliated to Naval Medical University, Shanghai 200433, China
| | - Xiya Yu
- Department of Faculty of Anesthesiology, Changhai Hospital Affiliated to Naval Medical University, Shanghai 200433, China.
| | - Tao Xu
- Department of Faculty of Anesthesiology, Changhai Hospital Affiliated to Naval Medical University, Shanghai 200433, China.
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11
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Sun H, Li S, Xu Z, Liu C, Gong P, Deng Q, Yan F. SNHG15 is a negative regulator of inflammation by mediating TRAF2 ubiquitination in stroke-induced immunosuppression. J Neuroinflammation 2022; 19:1. [PMID: 34980176 PMCID: PMC8722265 DOI: 10.1186/s12974-021-02372-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 12/22/2021] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Abnormal expression of long noncoding RNAs (lncRNAs) has been reported in the acute stage of acute ischemic stroke (AIS). This study aimed to explore differential lncRNA expression in the subpopulations of peripheral blood mononuclear cells (PBMCs) from AIS patients and further evaluate its underlying mechanisms in stroke-induced immunosuppression. METHODS We reanalyzed lncRNA microarray data and investigated abnormally expressed lncRNAs in the subpopulations of PBMCs by magnetic cell sorting and real-time quantitative PCR. The potential mechanism of small nucleolar RNA host gene 15 (SNHG15) was explored through in vitro and in vivo approaches. RESULTS The stroke-induced SNHG15 acted as a checkpoint to inhibit peripheral inflammatory responses. Functional studies showed that SNHG15 promoted M2 macrophage polarization. Mechanistically, SNHG15 expression was dysregulated through the Janus kinase (JAK)-signal transducer and activator of transcription 6 (STAT6) signaling pathway. SNHG15, localized in the cytoplasm, interfered with K63-linked ubiquitination of tumor necrosis factor receptor-associated factor 2 and thereby repressed the activation of mitogen-activated protein kinase and nuclear factor kappa-B signaling pathways and prevented the production of proinflammatory cytokines. Administration of an adenovirus targeting SNHG15 improved stroke-induced immunosuppression in mice. CONCLUSIONS This study identified SNHG15 as a negative regulator of inflammation in stroke-induced immunosuppression, suggesting it as a novel biomarker and therapeutic target in stroke-associated infection. Trial registration ClinicalTrials.gov NCT04175691. Registered November 25, 2019, https://www.clinicaltrials.gov/ct2/show/NCT04175691 .
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Affiliation(s)
- Huiling Sun
- General Clinical Research Center, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, People's Republic of China
| | - Shuo Li
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87 Dingjiaqiao Road, Nanjing, 210009, People's Republic of China
| | - Zhaohan Xu
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, No. 68 Changle Road, Nanjing, 210006, People's Republic of China
| | - Chengfang Liu
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, No. 68 Changle Road, Nanjing, 210006, People's Republic of China
| | - Pengyu Gong
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, No. 68 Changle Road, Nanjing, 210006, People's Republic of China
| | - Qiwen Deng
- Department of Neurology, Nanjing First Hospital, Nanjing Medical University, No. 68 Changle Road, Nanjing, 210006, People's Republic of China.
| | - Fuling Yan
- Department of Neurology, Affiliated ZhongDa Hospital, School of Medicine, Southeast University, No. 87 Dingjiaqiao Road, Nanjing, 210009, People's Republic of China.
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