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Shin HE, Jang JY, Jung H, Won CW, Kim M. MicroRNAs as commonly expressed biomarkers for sarcopenia and frailty: A systematic review. Exp Gerontol 2024; 197:112600. [PMID: 39349187 DOI: 10.1016/j.exger.2024.112600] [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: 06/17/2024] [Revised: 09/03/2024] [Accepted: 09/27/2024] [Indexed: 10/02/2024]
Abstract
BACKGROUND Coexistent sarcopenia and frailty is more strongly associated with adverse health outcomes than each condition alone. As the importance of coexistent sarcopenia and frailty increases, exploring their underlying mechanisms is warranted. Recently, noncoding ribonucleic acids (RNAs) have been suggested as potential biomarkers of sarcopenia and frailty. This systematic review aimed to summarize noncoding RNAs commonly expressed in sarcopenia and frailty, and to search the predicted target genes and biological pathways of them. METHODS We systematically searched the literatures on PubMed, Embase, Cochrane Library, Web of Science, and Scopus for literature published till November 15, 2023. A total of 7,202 literatures were initially retrieved. After de-duplication, 34 studies (26 sarcopenia-related and 8 frailty-related) were full-text reviewed, and 15 studies (11 sarcopenia-related and 4 frailty-related) were finally included. RESULTS miR-29a-3p, miR-29b-3p, and miR-328 were identified as commonly expressed in same direction in sarcopenia and frailty. These microRNAs (miRNAs), identified in the literature search using PubMed, modulate transforming growth factor-β signaling via extracellular matrix components and calcineurin/nuclear factor of activated T cells 3 signaling via sarcoplasmic/endoplasmic reticulum Ca2+ ATPase 2a, which are involved in regulating skeletal muscle fibrosis and the growth of slow-twitch muscle fibers, respectively. miR-155-5p, miR-486, and miR-23a-3p were also commonly expressed in two conditions, although in different or conflicting directions. CONCLUSION In this systematic review, we highlight the potential of shared miRNAs that exhibit consistent expression patterns as biomarkers for the early diagnosis and progression assessment of both sarcopenia and frailty.
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Affiliation(s)
- Hyung Eun Shin
- Department of Orthopaedics, Emory Musculoskeletal Institute, Emory University School of Medicine, Atlanta, GA 30329, USA; Department of Health Sciences and Technology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jae Young Jang
- Department of Biomedical Science and Technology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Heeeun Jung
- KHU-KIST Department of Converging Science and Technology, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Chang Won Won
- Elderly Frailty Research Center, Department of Family Medicine, College of Medicine, Kyung Hee University, Kyung Hee University Medical Center, Seoul 02447, Republic of Korea
| | - Miji Kim
- Department of Health Sciences and Technology, College of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea.
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2
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Sawant H, Sun B, Mcgrady E, Bihl JC. Role of miRNAs in neurovascular injury and repair. J Cereb Blood Flow Metab 2024; 44:1693-1708. [PMID: 38726895 PMCID: PMC11494855 DOI: 10.1177/0271678x241254772] [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: 11/07/2023] [Revised: 02/29/2024] [Accepted: 04/22/2024] [Indexed: 10/18/2024]
Abstract
MicroRNAs (miRNA) are endogenously produced small, non-coded, single-stranded RNAs. Due to their involvement in various cellular processes and cross-communication with extracellular components, miRNAs are often coined the "grand managers" of the cell. miRNAs are frequently involved in upregulation as well as downregulation of specific gene expression and thus, are often found to play a vital role in the pathogenesis of multiple diseases. Central nervous system (CNS) diseases prove fatal due to the intricate nature of both their development and the methods used for treatment. A considerable amount of ongoing research aims to delineate the complex relationships between miRNAs and different diseases, including each of the neurological disorders discussed in the present review. Ongoing research suggests that specific miRNAs can play either a pathologic or restorative and/or protective role in various CNS diseases. Understanding how these miRNAs are involved in various regulatory processes of CNS such as neuroinflammation, neurovasculature, immune response, blood-brain barrier (BBB) integrity and angiogenesis is of empirical importance for developing effective therapies. Here in this review, we summarized the current state of knowledge of miRNAs and their roles in CNS diseases along with a focus on their association with neuroinflammation, innate immunity, neurovascular function and BBB.
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Affiliation(s)
- Harshal Sawant
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Bowen Sun
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Erin Mcgrady
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
| | - Ji Chen Bihl
- Department of Biomedical Sciences, Joan C. Edwards School of Medicine, Marshall University, Huntington, WV, USA
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3
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Zhang WT, Wang YJ, Yao YF, Zhang GX, Zhang YN, Gao SS. Circulating microRNAs as potential biomarkers for the diagnosis of Parkinson's disease: A meta-analysis. Neurologia 2024; 39:573-583. [PMID: 39232595 DOI: 10.1016/j.nrleng.2024.07.004] [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: 01/23/2022] [Accepted: 03/20/2022] [Indexed: 09/06/2024] Open
Abstract
BACKGROUND AND OBJECTIVE Parkinson's disease (PD) is the one of the most common neurodegenerative diseases. Many investigators have confirmed the possibility of using circulating miRNAs to diagnose PD. However, the results were inconsistent. Therefore, the aim of this meta-analysis was to systematically evaluate the diagnostic accuracy of circulating miRNAs in the diagnosis of PD. METHODS We carefully searched PubMed, Embase, Web of Science, Cochrane Library, Wanfang database and China National Knowledge Infrastructure for relevant studies (up to January 1, 2022) based on PRISMA statement. The pooled sensitivity, specificity, positive likelihood ratio (PLR), negative likelihood ratio (NLR), the diagnostic odds ratio (DOR), and area under the curve (AUC) were calculated to test the diagnostic accuracy. Furthermore, subgroup analyses were performed to identify the potential sources of heterogeneity, and the Deeks' funnel plot asymmetry test was used to evaluate the potential publication bias. RESULTS Forty-four eligible studies from 16 articles (3298 PD patients and 2529 healthy controls) were included in the current meta-analysis. The pooled sensitivity was 0.79 (95% CI: 0.76-0.81), specificity was 0.82 (95% CI: 0.78-0.84), PLR was 4.3 (95% CI: 3.6-5.0), NLR was 0.26 (95% CI: 0.23-0.30), DOR was 16 (95% CI: 13-21), and AUC was 0.87 (95% CI: 0.84-0.90). Subgroup analysis suggested that miRNA cluster showed a better diagnostic accuracy than miRNA simple. Moreover, there was no significant publication bias. CONCLUSIONS Circulating miRNAs have great potential as novel non-invasive biomarkers for PD diagnosis.
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Affiliation(s)
- W T Zhang
- Xi'an Daxing Hospital, Shaanxi, China; International Doctoral School, University of Seville, Seville, Spain
| | - Y J Wang
- Xi'an Daxing Hospital, Shaanxi, China
| | - Y F Yao
- Xi'an Daxing Hospital, Shaanxi, China
| | - G X Zhang
- International Doctoral School, University of Seville, Seville, Spain
| | - Y N Zhang
- Xi'an Daxing Hospital, Shaanxi, China
| | - S S Gao
- Xi'an Daxing Hospital, Shaanxi, China; International Doctoral School, University of Seville, Seville, Spain.
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Awasthi P, Kumar D, Hasan S. Role of 14-3-3 protein family in the pathobiology of EBV in immortalized B cells and Alzheimer's disease. Front Mol Biosci 2024; 11:1353828. [PMID: 39144488 PMCID: PMC11322100 DOI: 10.3389/fmolb.2024.1353828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 07/03/2024] [Indexed: 08/16/2024] Open
Abstract
Background and Aims Several studies have revealed that Epstein-Barr virus (EBV) infection raised the likelihood of developing Alzheimer's disease (AD) via infecting B lymphocytes. The purpose of the current investigation was to assess the possible association between EBV infection and AD. Methods The microarray datasets GSE49628, GSE126379, GSE122063, and GSE132903 were utilized to extract DEGs by using the GEO2R tool of the GEO platform. The STRING tool was used to determine the interaction between the DEGs, and Cytoscape was used to visualize the results. The DEGs that were found underwent function analysis, including pathway and GO, using the DAVID 2021 and ClueGo/CluePedia. By using MNC, MCC, Degree, and Radiality of cytoHubba, we identified seven common key genes. Gene co-expression analysis was performed through the GeneMANIA web tool. Furthermore, expression analysis of key genes was performed through GTEx software, which have been identified in various human brain regions. The miRNA-gene interaction was performed through the miRNet v 2.0 tool. DsigDB on the Enrichr platform was utilized to extract therapeutic drugs connected to key genes. Results In GEO2R analysis of datasets with |log2FC|≥ 0.5 and p-value <0.05, 8386, 10,434, 7408, and 759 genes were identified. A total of 141 common DEGs were identified by combining the extracted genes of different datasets. A total of 141 nodes and 207 edges were found during the PPI analysis. The DEG GO analysis with substantial alterations disclosed that they are associated to molecular functions and biological processes, such as positive regulation of neuron death, autophagy regulation of mitochondrion, response of cell to insulin stimulus, calcium signaling regulation, organelle transport along microtubules, protein kinase activity, and phosphoserine binding. Kyoto Encyclopedia of Genes and Genomes analysis discovered the correlation between the DEGs in pathways of neurodegeneration: multiple disease, cell cycle, and cGMP-PKG signaling pathway. Finally, YWHAH, YWHAG, YWHAB, YWHAZ, MAP2K1, PPP2CA, and TUBB genes were identified that are strongly linked to EBV and AD. Three miRNAs, i.e., hsa-mir-15a-5p, hsa-let-7a-5p, and hsa-mir-7-5p, were identified to regulate most of hub genes that are associated with EBV and AD. Further top 10 significant therapeutic drugs were predicted. Conclusion We have discovered new biomarkers and therapeutic targets for AD, as well as the possible biological mechanisms whereby infection with EBV may be involved in AD susceptibility for the first time.
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Affiliation(s)
- Prankur Awasthi
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow, India
| | - Dhruv Kumar
- School of Health Sciences and Technology, UPES University Dehradun, Dehradun, India
| | - Saba Hasan
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Lucknow, India
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Hasona NA, Moneim AA, Mohammed EA, Twab NAA, Azeem AAA, Teryak GM, Ewiss SS, Khalil RG. Osteocalcin, miR-143, and miR-145 Expression in Long-Standing Type 1 Diabetes Mellitus and Their Correlation with HbA1c. Indian J Clin Biochem 2024; 39:421-428. [PMID: 39005871 PMCID: PMC11239619 DOI: 10.1007/s12291-023-01131-6] [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: 01/15/2023] [Accepted: 03/01/2023] [Indexed: 03/17/2023]
Abstract
Inadequate management and control of hyperglycemia predisposes diabetic patients to a wide range of complications. Thus, this opens new windows for exploring and scrutinizing novel candidate biomarkers. This study was designed to scrutinize the relationship between HbA1c, osteocalcin, calcium, phosphorus, and expression levels of miR-143 and miR-145 in individuals with T1DM and explore their correlations and diagnostic potential for T1DM. 120 unrelated participants were included (i.e., 90 participants with type 1 diabetes mellitus and 30 healthy controls) and were allocated into two groups. Participants with T1DM were allocated into three subgroups (i.e., below 1 year, 1-8 years, and over 8 years) based on diabetic duration. Participants with T1DM experienced noticeable HbA1c elevation. However, osteocalcin, phosphorus, and calcium profiles notably declined in participants with diabetes compared with those in healthy controls. Moreover, the expression levels of miR-143 and miR-145 decreased in participants with diabetes with a significant difference between participants with diabetes and healthy controls. Additionally, significant alterations in HbA1c, osteocalcin, phosphorus, and calcium profiles and expression levels of miR-143 and miR-145 were observed with increasing diabetic duration (T1DM > 8 years compared with those with a diabetes duration of less than 1 year). This study suggests that miR-143 and miR-145 are prospective biomarkers of diabetes mellitus, which may help predict the progression of complications.
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Affiliation(s)
- Nabil A. Hasona
- Department of Biochemistry, Faculty of Science, Beni-Suef University, Salah Salim St., Beni Suef, 62511 Egypt
- Beni Suef National University, Beni Suef, Egypt
| | - Adel Abdel Moneim
- Molecular Physiology Division, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
| | - Esraa A. Mohammed
- Zoology Department, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
| | | | - Aya A. Abdel Azeem
- Zoology Department, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
| | - Gehad M. Teryak
- Zoology Department, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
| | - Sheryhan Sh. Ewiss
- Zoology Department, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
| | - Rehab G. Khalil
- Immunology Division, Faculty of Science, Beni-Suef University, Beni Suef, Egypt
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6
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Zhang Z, Wu Z, Hu S, He M. Identification of serum microRNA alterations associated with long-term exercise-induced motor improvements in patients with Parkinson disease. Medicine (Baltimore) 2024; 103:e37470. [PMID: 38552099 PMCID: PMC10977540 DOI: 10.1097/md.0000000000037470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 02/12/2024] [Indexed: 04/02/2024] Open
Abstract
BACKGROUND Long-term physical exercise has been shown to benefit patients with Parkinson disease (PD), but there is a lack of evidence regarding the underlying mechanism. A better understanding of how such benefits are induced by exercise might contribute to the development of therapeutic targets for improving the motor function in individuals with PD. The purpose of this study was therefore to investigate the possible association between exercise-induced motor improvements and the changes in serum microRNA (miRNA) levels of PD patients through small RNA sequencing for the first time. METHODS Thirteen PD patients completed our 3-month home-and-community-based exercise program, while 6 patients were assigned to the control group. Motor functions were measured, and small RNA sequencing with data analysis was performed on serum miRNAs both before and after the program. The results were further validated by quantitative real-time polymerase chain reaction. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes enrichment analyses were then conducted to determine the role of differentially expressed miRNAs. RESULTS The 3-month home-and-community-based exercise program induced significant motor improvements in PD patients in terms of Unified Parkinson's Disease Rating Scale activities of daily living and Motor Subscale (P < .05), comfortable walking speed (P = .003), fast walking speed (P = .028), Six-Minute Walk Test (P = .004), Berg Balance Scale (P = .039), and Timed Up and Go (P = .002). A total of 11 miRNAs (10 upregulated and one downregulated) were identified to be remarkably differentially expressed after intervention in the exercise group, but not in the control group. The results of miRNA sequencing were further validated by quantitative real-time polymerase chain reaction. It was found that the targets of altered miRNAs were mostly enriched in the mitogen-activated protein kinase, Wnt, and Hippo signaling pathways and the GO annotations mainly included binding, catalytic activity, and transcription regulator activity. CONCLUSION The exercise-induced motor improvements were possibly associated with changes in circulating miRNA levels in PD patients. These miRNAs, as well as the most enriched pathways and GO terms, may play a critical role in the mechanism of exercise-induced benefits in PD and serve as novel treatment targets for the disease, although further investigations are needed.
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Affiliation(s)
- Ziyi Zhang
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Ziwei Wu
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Shenglan Hu
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Miao He
- Department of Neurology, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
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7
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Tavares e Silva J, Pessoa J, Nóbrega-Pereira S, Bernardes de Jesus B. The Impact of Long Noncoding RNAs in Tissue Regeneration and Senescence. Cells 2024; 13:119. [PMID: 38247811 PMCID: PMC10814083 DOI: 10.3390/cells13020119] [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: 11/14/2023] [Revised: 12/19/2023] [Accepted: 01/05/2024] [Indexed: 01/23/2024] Open
Abstract
Overcoming senescence with tissue engineering has a promising impact on multiple diseases. Here, we provide an overview of recent studies in which cellular senescence was inhibited through the up/downregulation of specific lncRNAs. This approach prevented senescence in the bones, joints, nervous system, heart, and blood vessels, with a potential impact on regeneration and the prevention of osteoarthritis and osteoporosis, as well as neurodegenerative and cardiovascular diseases. Senescence of the skin and liver could also be prevented through the regulation of cellular levels of specific lncRNAs, resulting in the rejuvenation of cells from these organs and their potential protection from disease. From these exciting achievements, which support tissue regeneration and are not restricted to stem cells, we propose lncRNA regulation through RNA or gene therapies as a prospective preventive and therapeutic approach against aging and multiple aging-related diseases.
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Affiliation(s)
| | | | | | - Bruno Bernardes de Jesus
- Department of Medical Sciences and Institute of Biomedicine—iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal; (J.T.e.S.); (J.P.); (S.N.-P.)
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Gomez Ramos B, Ohnmacht J, de Lange N, Valceschini E, Ginolhac A, Catillon M, Ferrante D, Rakovic A, Halder R, Massart F, Arena G, Antony P, Bolognin S, Klein C, Krause R, Schulz MH, Sauter T, Krüger R, Sinkkonen L. Multiomics analysis identifies novel facilitators of human dopaminergic neuron differentiation. EMBO Rep 2024; 25:254-285. [PMID: 38177910 PMCID: PMC10897179 DOI: 10.1038/s44319-023-00024-2] [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: 04/17/2023] [Revised: 11/17/2023] [Accepted: 11/23/2023] [Indexed: 01/06/2024] Open
Abstract
Midbrain dopaminergic neurons (mDANs) control voluntary movement, cognition, and reward behavior under physiological conditions and are implicated in human diseases such as Parkinson's disease (PD). Many transcription factors (TFs) controlling human mDAN differentiation during development have been described, but much of the regulatory landscape remains undefined. Using a tyrosine hydroxylase (TH) human iPSC reporter line, we here generate time series transcriptomic and epigenomic profiles of purified mDANs during differentiation. Integrative analysis predicts novel regulators of mDAN differentiation and super-enhancers are used to identify key TFs. We find LBX1, NHLH1 and NR2F1/2 to promote mDAN differentiation and show that overexpression of either LBX1 or NHLH1 can also improve mDAN specification. A more detailed investigation of TF targets reveals that NHLH1 promotes the induction of neuronal miR-124, LBX1 regulates cholesterol biosynthesis, and NR2F1/2 controls neuronal activity.
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Affiliation(s)
- Borja Gomez Ramos
- Department of Life Sciences and Medicine (DLSM), University of Luxembourg, L-4362, Belvaux, Luxembourg
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Jochen Ohnmacht
- Department of Life Sciences and Medicine (DLSM), University of Luxembourg, L-4362, Belvaux, Luxembourg
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Nikola de Lange
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Elena Valceschini
- Department of Life Sciences and Medicine (DLSM), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Aurélien Ginolhac
- Department of Life Sciences and Medicine (DLSM), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Marie Catillon
- Department of Life Sciences and Medicine (DLSM), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Daniele Ferrante
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Aleksandar Rakovic
- Institute of Neurogenetics, University of Lübeck, 23538, Lübeck, Germany
| | - Rashi Halder
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - François Massart
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Giuseppe Arena
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Paul Antony
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Silvia Bolognin
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, 23538, Lübeck, Germany
| | - Roland Krause
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Marcel H Schulz
- Institute for Cardiovascular Regeneration, Goethe University, 60590, Frankfurt, Germany
- German Centre for Cardiovascular Research, Partner site Rhein-Main, 60590, Frankfurt am Main, Germany
- Cardio-Pulmonary Institute, Goethe University, Frankfurt am Main, Germany
| | - Thomas Sauter
- Department of Life Sciences and Medicine (DLSM), University of Luxembourg, L-4362, Belvaux, Luxembourg
| | - Rejko Krüger
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, L-4362, Belvaux, Luxembourg
- Centre Hospitalier de Luxembourg (CHL), L-1210, Luxembourg, Luxembourg
- Luxembourg Institute of Health (LIH), L-1445, Luxembourg, Luxembourg
| | - Lasse Sinkkonen
- Department of Life Sciences and Medicine (DLSM), University of Luxembourg, L-4362, Belvaux, Luxembourg.
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Kunze R, Fischer S, Marti HH, Preissner KT. Brain alarm by self-extracellular nucleic acids: from neuroinflammation to neurodegeneration. J Biomed Sci 2023; 30:64. [PMID: 37550658 PMCID: PMC10405513 DOI: 10.1186/s12929-023-00954-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 07/22/2023] [Indexed: 08/09/2023] Open
Abstract
Neurological disorders such as stroke, multiple sclerosis, as well as the neurodegenerative diseases Parkinson's or Alzheimer's disease are accompanied or even powered by danger associated molecular patterns (DAMPs), defined as endogenous molecules released from stressed or damaged tissue. Besides protein-related DAMPs or "alarmins", numerous nucleic acid DAMPs exist in body fluids, such as cell-free nuclear and mitochondrial DNA as well as different species of extracellular RNA, collectively termed as self-extracellular nucleic acids (SENAs). Among these, microRNA, long non-coding RNAs, circular RNAs and extracellular ribosomal RNA constitute the majority of RNA-based DAMPs. Upon tissue injury, necrosis or apoptosis, such SENAs are released from neuronal, immune and other cells predominantly in association with extracellular vesicles and may be translocated to target cells where they can induce intracellular regulatory pathways in gene transcription and translation. The majority of SENA-induced signaling reactions in the brain appear to be related to neuroinflammatory processes, often causally associated with the onset or progression of the respective disease. In this review, the impact of the diverse types of SENAs on neuroinflammatory and neurodegenerative diseases will be discussed. Based on the accumulating knowledge in this field, several specific antagonistic approaches are presented that could serve as therapeutic interventions to lower the pathological outcome of the indicated brain disorders.
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Affiliation(s)
- Reiner Kunze
- Institute of Physiology and Pathophysiology, Department of Cardiovascular Physiology, Ruprecht-Karls-University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Silvia Fischer
- Department of Biochemistry, Medical School, Justus-Liebig-University, Giessen, Germany
| | - Hugo H. Marti
- Institute of Physiology and Pathophysiology, Department of Cardiovascular Physiology, Ruprecht-Karls-University, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Klaus T. Preissner
- Department of Biochemistry, Medical School, Justus-Liebig-University, Giessen, Germany
- Kerckhoff-Heart-Research-Institute, Department of Cardiology, Medical School, Justus-Liebig-University, Giessen, Germany
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Ryan KM, Smyth P, Blackshields G, Kranaster L, Sartorius A, Sheils O, McLoughlin DM. Electroconvulsive Stimulation in Rats Induces Alterations in the Hippocampal miRNome: Translational Implications for Depression. Mol Neurobiol 2023; 60:1150-1163. [PMID: 36414911 DOI: 10.1007/s12035-022-03131-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 11/09/2022] [Indexed: 11/24/2022]
Abstract
MicroRNAs (miRNAs) may contribute to the development of depression and its treatment. Here, we used the hypothesis-neutral approach of next-generation sequencing (NGS) to gain comprehensive understanding of the effects of a course of electroconvulsive stimulation (ECS), the animal model equivalent of electroconvulsive therapy (ECT), on rat hippocampal miRNAs. Significant differential expression (p < 0.001) of six hippocampal miRNAs was noted following NGS, after correcting for multiple comparisons. Three of these miRNAs were upregulated (miR-132, miR-212, miR-331) and three downregulated (miR-204, miR-483, miR-301a). qRT-PCR confirmed significant changes in four of the six miRNAs (miR-132, miR-212, miR-204, miR-483). miR-483 was also significantly reduced in frontal cortex, though no other significant alterations were noted in frontal cortex, cerebellum, or whole blood. Assessing the translatability of the results, miR-132 and miR-483 were significantly reduced in whole blood samples from medicated patients with depression (n = 50) compared to healthy controls (n = 45), though ECT had no impact on miRNA levels. Notably, pre-ECT miR-204 levels moderately positively correlated with depression severity at baseline and moderately negatively correlated with mood score reduction post-ECT. miRNAs were also examined in cerebrospinal fluid and serum from a separate cohort of patients (n = 8) treated with ECT; no significant changes were noted post-treatment. However, there was a large positive correlation between changes in miR-212 and mood score post-ECT in serum. Though replication studies using larger sample sizes are required, alterations in miRNA expression may be informative about the mechanism of action of ECS/ECT and in turn might give insight into the neurobiology of depression.
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Affiliation(s)
- Karen M Ryan
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland. .,Department of Psychiatry, Trinity College Dublin, St Patrick's University Hospital, Dublin 8, Ireland.
| | - Paul Smyth
- Department of Histopathology, Trinity Translational Medicine Institute, Trinity College Dublin, St. James's Hospital, Dublin, Ireland
| | - Gordon Blackshields
- Department of Histopathology, Trinity Translational Medicine Institute, Trinity College Dublin, St. James's Hospital, Dublin, Ireland
| | - Laura Kranaster
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty, Mannheim/Heidelberg University, Mannheim, Germany
| | - Alexander Sartorius
- Department of Psychiatry and Psychotherapy, Central Institute of Mental Health, Medical Faculty, Mannheim/Heidelberg University, Mannheim, Germany
| | - Orla Sheils
- Department of Histopathology, Trinity Translational Medicine Institute, Trinity College Dublin, St. James's Hospital, Dublin, Ireland
| | - Declan M McLoughlin
- Trinity College Institute of Neuroscience, Trinity College Dublin, Dublin 2, Ireland.,Department of Psychiatry, Trinity College Dublin, St Patrick's University Hospital, Dublin 8, Ireland
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Zhang J, Chen Z, Chen H, Deng Y, Li S, Jin L. Recent Advances in the Roles of MicroRNA and MicroRNA-Based Diagnosis in Neurodegenerative Diseases. BIOSENSORS 2022; 12:1074. [PMID: 36551041 PMCID: PMC9776063 DOI: 10.3390/bios12121074] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/17/2022] [Accepted: 11/23/2022] [Indexed: 06/17/2023]
Abstract
Neurodegenerative diseases manifest as progressive loss of neuronal structures and their myelin sheaths and lead to substantial morbidity and mortality, especially in the elderly. Despite extensive research, there are few effective treatment options for the diseases. MicroRNAs have been shown to be involved in the developmental processes of the central nervous system. Mounting evidence suggest they play an important role in the development of neurodegenerative diseases such as Alzheimer's disease and Parkinson's disease. However, there are few reviews regarding the roles of miRNAs in neurodegenerative diseases. This review summarizes the recent developments in the roles of microRNAs in neurodegenerative diseases and presents the application of microRNA-based methods in the early diagnosis of these diseases.
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12
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Mir-29b in Breast Cancer: A Promising Target for Therapeutic Approaches. Diagnostics (Basel) 2022; 12:diagnostics12092139. [PMID: 36140539 PMCID: PMC9497770 DOI: 10.3390/diagnostics12092139] [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: 07/29/2022] [Revised: 08/26/2022] [Accepted: 08/30/2022] [Indexed: 11/22/2022] Open
Abstract
The miR-29 family comprises miR-29a, miR-29b, and miR-29c, and these molecules play crucial and partially overlapped functions in solid tumors, in which the different isoforms are variously de-regulated and mainly correlated with tumor suppression. miR-29b is the most expressed family member in cancer, in which it is involved in regulating gene expression at both transcriptional and post-transcriptional levels. This review focuses on the role of miR-29b in breast cancer, in which it plays a controversial role as tumor suppressor or onco-miRNA. Here we have highlighted the dual effect of miR-29b on breast tumor features, which depend on the prevailing function of this miRNA, on the mature miR-29b evaluated, and on the breast tumor characteristics. Remarkably, the analyzed miR-29b form emerged as a crucial element in the results obtained by various research groups, as the most abundant miR-29b-3p and the less expressed miR-29b1-5p seem to play distinct roles in breast tumors with different phenotypes. Of particular interest are the data showing that miR-29b1-5p counteracts cell proliferation and migration and reduces stemness in breast tumor cells with a triple negative phenotype. Even if further studies are required to define exactly the role of each miR-29b, our review highlights its possible implication in phenotype-specific management of breast tumors.
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13
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Sanchez-Mirasierra I, Ghimire S, Hernandez-Diaz S, Soukup SF. Targeting Macroautophagy as a Therapeutic Opportunity to Treat Parkinson's Disease. Front Cell Dev Biol 2022; 10:921314. [PMID: 35874822 PMCID: PMC9298504 DOI: 10.3389/fcell.2022.921314] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 06/13/2022] [Indexed: 12/18/2022] Open
Abstract
Macroautophagy, an evolutionary conserved catabolic process in the eukaryotic cell, regulates cellular homeostasis and plays a decisive role in self-engulfing proteins, protein aggregates, dysfunctional or damaged organelles, and invading pathogens. Growing evidence from in vivo and in vitro models shows that autophagy dysfunction plays decisive role in the pathogenesis of various neurodegenerative diseases, including Parkinson's disease (PD). PD is an incurable and second most common neurodegenerative disease characterised by neurological and motor dysfunction accompanied of non-motor symptoms that can also reduce the life quality of patients. Despite the investment in research, the aetiology of the disease is still unknown and the therapies available are aimed mostly at ameliorating motor symptoms. Hence, therapeutics regulating the autophagy pathway might play an important role controlling the disease progression, reducing neuronal loss and even ameliorating non-motor symptoms. In this review, we highlight potential therapeutic opportunities involved in different targeting options like an initiation of autophagy, Leucine-rich repeat kinase 2 (LRRK2) inhibition, mitophagy, lysosomes, lipid metabolism, immune system, gene expression, biomarkers, and also non-pharmacological interventions. Thus, strategies to identify therapeutics targeting the pathways modulating autophagy might hold a future for therapy development against PD.
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Affiliation(s)
| | - Saurav Ghimire
- Universite Bordeaux, CNRS, IMN, UMR 5293, F-33000 Bordeaux, France
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14
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Circulating microRNAs as potential biomarkers for the diagnosis of Parkinson's disease: A meta-analysis. Neurologia 2022. [DOI: 10.1016/j.nrl.2022.03.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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15
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Cao Z, Oyang L, Luo X, Xia L, Hu J, Lin J, Tan S, Tang Y, Zhou Y, Cao D, Liao Q. The roles of long non-coding RNAs in lung cancer. J Cancer 2022; 13:174-183. [PMID: 34976181 PMCID: PMC8692699 DOI: 10.7150/jca.65031] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 11/05/2021] [Indexed: 12/29/2022] Open
Abstract
Lung cancer is the most common malignancy, being a serious threat of human lives. The incidence and mortality of lung cancer has been increasing rapidly in the past decades. Although the development of new therapeutic modes, such as target therapy, the overall survival rate of lung cancer remains low. It is urgent to advance the understanding of molecular oncology and find novel biomarkers and targets for the early diagnosis, treatment, and prognostic prediction of lung cancer. Long non-coding RNAs (lncRNAs) are non-protein coding RNA transcripts that are more than 200 nucleotides in length. LncRNAs exert diverse biological functions by regulating gene expressions at transcriptional, translational, and post-translational levels. In the past decade, it has been shown that lncRNAs are extensively involved in the pathogenesis of various diseases, including lung cancer. In this review, we highlighted the lncRNAs characterized in lung cancer and discussed their translational potential in lung cancer clinics.
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Affiliation(s)
- Zhe Cao
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Linda Oyang
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Xia Luo
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Longzheng Xia
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Jiaqi Hu
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Jinguan Lin
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Shiming Tan
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Yanyan Tang
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China.,Clinical Research Center for Wound Healing in Hunan Province, Changsha 410013, Hunan, China
| | - Yujuan Zhou
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Deliang Cao
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China
| | - Qianjin Liao
- Hunan Key Laboratory of Cancer Metabolism, Hunan Cancer Hospital and the Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Changsha, 410013, Hunan, China.,Clinical Research Center for Wound Healing in Hunan Province, Changsha 410013, Hunan, China
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16
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Lang Y, Zhang H, Yu H, Li Y, Liu X, Li M. Long non-coding RNA myocardial infarction-associated transcript promotes 1-Methyl-4-phenylpyridinium ion-induced neuronal inflammation and oxidative stress in Parkinson's disease through regulating microRNA-221-3p/ transforming growth factor /nuclear factor E2-related factor 2 axis. Bioengineered 2021; 13:930-940. [PMID: 34967706 PMCID: PMC8805986 DOI: 10.1080/21655979.2021.2015527] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
This study attempted to evaluate the role of long non-coding RNA myocardial infarction-associated transcript (LncRNA MIAT) in Parkinson’s disease (PD). The mouse model was established through intraperitoneal injection with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), and in vitro model was induced by administrating cell with 1-Methyl-4-phenylpyridinium ion (MPP+). Rotarod test was conducted to evaluate the motor coordination of PD mice. In order to investigate the roles of LncRNA MIAT in neuronal inflammation and oxidative stress, MIAT shRNA (shMIAT) was transfected into MPP+-treated cells, and cell viability, cell apoptosis and oxidative stress response were evaluated. To evaluate the interactions between LncRNA MIAT and microRNA-221-3p (miR-221-3p)/TGF-β1/Nrf2, miR-221-3p mimic, miR-221-3p inhibitor, NC-inhibitor and transforming growth factor-β1 shRNA (shTGF-β1) were subsequently transfected into MPP+-treated cells. Dual-luciferase reporter gene assays were performed to determine the interaction of miR-221-3p with MIAT or TGFB receptor 1 (TGFBR1). The expressions of LncRNA MIAT, miR-221-3p, TGFBR1, transforming growth factor (TGF-β1) and nuclear factor E2-related factor 2 (Nrf2) were measured by quantitative reverse-transcription polymerase chain reaction (RT-qPCR) and immunoblotting. As a result, LncRNA MIAT was abundantly expressed in PD mice and cells, while downregulation of LncRNA MIAT promoted the survival of neurons, inhibited apoptosis and oxidative stress in neurons. LncRNA MIAT bound to miR-221-3p, and there was a negative correlation between miR-221-3p and LncRNA MIAT expression. In addition, miR-221-3p targeted TGFBR1 and suppressed TGF-β1 expression but increased Nrf2 expression. LncRNA MIAT promoted MPP+-induced neuronal injury in PD via regulating TGF-β1/Nrf2 axis through binding with miR-221-3p.
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Affiliation(s)
- Yue Lang
- Department of Neurology, The Second Hospital of Dalian Medical University, Dalian City, Liaoning Province, China
| | - Hui Zhang
- Department of Neurology, The Second Hospital of Dalian Medical University, Dalian City, Liaoning Province, China
| | - Haojia Yu
- Department of Neurology, The Second Hospital of Dalian Medical University, Dalian City, Liaoning Province, China
| | - Yu Li
- Department of Neurology, The Second Hospital of Dalian Medical University, Dalian City, Liaoning Province, China
| | - Xiao Liu
- Graduate School, Dalian Medical University, Dalian City, Liaoning Province, China
| | - Minjie Li
- Graduate School, Dalian Medical University, Dalian City, Liaoning Province, China
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Yang X, Zhang Y, Chen Y, He X, Qian Y, Xu S, Gao C, Mo C, Chen S, Xiao Q. LncRNA HOXA-AS2 regulates microglial polarization via recruitment of PRC2 and epigenetic modification of PGC-1α expression. J Neuroinflammation 2021; 18:197. [PMID: 34511122 PMCID: PMC8436538 DOI: 10.1186/s12974-021-02267-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Accepted: 08/30/2021] [Indexed: 02/06/2023] Open
Abstract
Background Microglia-mediated neuroinflammation plays an important role in Parkinson’s disease (PD), and it exerts proinflammatory or anti-inflammatory effects depending on the M1/M2 polarization phenotype. Hence, promoting microglia toward the anti-inflammatory M2 phenotype is a potential therapeutic approach for PD. Long noncoding RNAs (lncRNAs) are crucial in the progression of neurodegenerative diseases, but little is known about their role in microglial polarization in PD. Methods In our study, we profiled the expression of lncRNAs in the peripheral blood mononuclear cells (PBMCs) of PD patients using a microarray. RT-qPCR was used to evaluate the lncRNA levels and mRNA levels of cytokines and microglial cell markers both in vitro and in vivo. RIP and ChIP assays were analyzed for the underlying mechanism of lncRNA regulating microglial polarization. Results We found that HOXA-AS2 was upregulated in the PBMCs of PD patients and negatively associated with peroxisome proliferator-activated receptor gamma coactivator-1a (PGC-1α) expression. Moreover, HOXA-AS2 knockdown significantly repressed microglial M1 polarization and promoted M2 polarization by regulating PGC-1α expression. Mechanistic investigations demonstrated that HOXA-AS2 could directly interact with polycomb repressive complex 2 (PRC2) and modulate the histone methylation of the promoter of PGC-1α. Conclusions Our findings identify the upregulated lncRNA HOXA-AS2 promotes neuroinflammation by regulating microglial polarization through interacts with the PRC2 complex and epigenetically silencing PGC-1α. HOXA-AS2 may be a potential therapeutic target for microglia-mediated neuroinflammation in patients with PD. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02267-z.
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Affiliation(s)
- Xiaodong Yang
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Yi Zhang
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Yimeng Chen
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Xiaoqin He
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Yiwei Qian
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Shaoqing Xu
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Chao Gao
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Chengjun Mo
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China
| | - Shengdi Chen
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China.
| | - Qin Xiao
- Department of Neurology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, 200025, Shanghai, PR China.
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18
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Zhong L, Ju K, Chen A, Cao H. Circulating CircRNAs Panel Acts as a Biomarker for the Early Diagnosis and Severity of Parkinson's Disease. Front Aging Neurosci 2021; 13:684289. [PMID: 34276342 PMCID: PMC8281126 DOI: 10.3389/fnagi.2021.684289] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 05/11/2021] [Indexed: 11/17/2022] Open
Abstract
Parkinson’s disease (PD) is a chronic and progressive degenerative disease of the central nervous system. Degenerative neuropathy can occur in patients with PD even before typical clinical symptoms appear in the preclinical stage. Therefore, if the early diagnosis of degenerative diseases can be timely and the correlation with the disease progression can be explored, the disease progression will be slowed down and the quality of life of patients will be improved. In this study, the circRNA microarray was employed to screen the dysregulated circRNA in plasma samples of PD. Four circRNAs (circ_0085869, circ_0004381, circ_0017204, and circ_0090668) were obtained with increased levels in PD patients by cross comparison and preliminary verification in PD comparing with healthy controls. Further validation found the circRNA panel was consistent with the training set. The ROC curve also revealed a high diagnostic ability of circ_0004381 and circ_0017204 in predicting the early stage of PD from healthy controls. circ_0085869, circ_0004381, circ_0017204, and circ_0090668 also presented a high ability to distinguish the late stage of PD from early stage. In conclusion, circulating circRNA panel might be a potential fingerprint for predicting the early diagnosis of PD and may act as a biomarker for disease progression.
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Affiliation(s)
- Lingling Zhong
- Department of Neurology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - KeJu Ju
- Department of Neurology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Ainian Chen
- Department of Neurology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
| | - Hua Cao
- Department of Neurology, The Affiliated Huai'an No. 1 People's Hospital of Nanjing Medical University, Huai'an, China
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