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Wang X, Xue Q, Duan Q, Sun Z, Wu Y, Yang S, Xu P, Cao H, Liao F, Wang X, Miao C. Circ_0011058 alleviates RA pathology through the circ_0011058/miR-335-5p/CUL4B signal axis. Autoimmunity 2024; 57:2299587. [PMID: 38254314 DOI: 10.1080/08916934.2023.2299587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024]
Abstract
Our previous study found that Cullin 4B (CUL4B) inhibited rheumatoid arthritis (RA) pathology through glycogen synthase kinase-3beta (GSK3β)/canonical Wnt signalling pathway. In this work, pre-experiment and bioinformatics analysis suggested that circ_0011058 may lead to the up-regulation of CUL4B expression by inhibiting miR-335-5p. Therefore, we studied whether circ_0011058 can promote the expression of CUL4B through sponging the miR-335-5p and further promote the pathological development of RA. Bioinformatics prediction, real-time quantitative PCR (RT-qPCR), western blot (WB), double luciferase reporter gene and other relevant methods were used to study the inhibition of circ_0011058 on RA pathology and its molecular mechanism. Results showed that the expression of circ_0011058 was significantly increased in adjuvant arthritis (AA) rats and RA fibroblast-like synoviocytes (FLS). The knockout of circ_0011058 inhibited the proliferation of AA FLS and RA FLS, decreased the levels of interleukin-1 beta (IL-1β), interleukin 6 (IL-6), interleukin 8 (IL-8), and inhibited the expression of matrix metalloproteinase 3 (MMP3), fibronectin, which showed that circ_0011058 had a strong role in promoting RA pathology. Furthermore, miR-335-5p expression was reduced in AA rats and RA FLS. The highly expressed circ_0011058 directly sponged the miR-335-5p, which led to the increase of CUL4B expression and promoted the activation of the GSK3β/canonical signalling pathway. Finally, we confirmed that miR-335-5p mediated the roles of circ_0011058 in promoting RA pathological development, which showed that the circ_0011058/miR-335-5p/CUL4B signal axis was involved in RA pathology. This work was of great significance for clarifying the roles of circ_0011058 in RA pathology, and further work was needed to establish whether circ_0011058 was a potential therapeutic target or diagnostic marker for RA.
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Affiliation(s)
- Xiaomei Wang
- Department of Humanistic Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China
| | - Qiuyun Xue
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Qiangjun Duan
- Department of Experimental Teaching Center, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Ziyi Sun
- Department of Scientific Research Technology Center, Anhui University of Chinese Medicine, Hefei, China
| | - Yajie Wu
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Shuo Yang
- Department of Orthopaedics, the First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Public Health Clinical Center, Hefei, China
| | - Pengfei Xu
- Department of Orthopaedics, the First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Public Health Clinical Center, Hefei, China
| | - Huibo Cao
- Chuzhou Integrated Traditional Chinese and Western Medicine Hospital, Anhui University of Chinese Medicine, Chuzhou, China
| | - Faxue Liao
- Department of Orthopaedics, the First Affiliated Hospital of Anhui Medical University, Hefei, China
- Anhui Public Health Clinical Center, Hefei, China
| | - Xiao Wang
- Department of Clinical Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
- Institute of Rheumatism, Anhui University of Chinese Medicine, Hefei, China
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2
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Zhou F, Zhou P, Jiang X, Yang Z, Cui W, Liu W, Liu R. Fengshi Liuhe Decoction treatment for rheumatoid arthritis via the Fzd6/NF-κB signaling axis. Gene 2024; 920:148538. [PMID: 38710294 DOI: 10.1016/j.gene.2024.148538] [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: 03/16/2024] [Revised: 04/22/2024] [Accepted: 05/03/2024] [Indexed: 05/08/2024]
Abstract
To explore whether Fengshi Liuhe Decoction (FLD) alleviates rheumatoid arthritis (RA) via the Fzd6/NF-κB signaling axis. We used real-time quantitative PCR (qPCR) and western blotting (WB) to determine the genes of the frizzled (Fzd) protein 1- Fzd protein 10 that are significantly differentially expressed between normal rat fibroblast-like synoviocyte (FLS) and collagen II-induced arthritis (CIA) rat FLS. Next, we used enzyme-linked immunosorbent assay (ELISA) to evaluate the levels of inflammatory factors in cell culture supernatant to determine the ability of FLD to ameliorate RA. Finally, we employed WB to detect the key gene expression in protein levels of the Fzd6/NF-κB signaling axis among normal rat FLS, CIA rat FLS, and FLD-treated CIA rat FLS. Our results showed that Fzd6 expression was significantly higher in CIA rat FLS at both the mRNA and protein levels than in normal rat FLS. FLD was found to downregulate Fzd6 and inflammatory factors, including COX-2, IL-8, and TNF-α, at both the mRNA and protein levels. FLD was also found to downregulate the total protein levels of Fzd6 and the NF-κB signaling pathway key gene phosphorylation of p-p65/p65 and p-IκBα/IκBα. Moreover, FLD inhibited the nuclear translocation of NF-κB p65 in CIA rat FLS. FLD can alleviate inflammation of CIA rat FLS via the Fzd6/NF-κB signaling axis.
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Affiliation(s)
- Fulin Zhou
- Department of Orthopaedics, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou 213003, China
| | - Peilin Zhou
- Department of Orthopaedics, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou 213003, China
| | - Xian Jiang
- Department of Biochemical Engineering, College of Pharmaceutical Engineering and Life Science, Changzhou University, Changzhou 213164, China
| | - Zhicheng Yang
- Department of Orthopaedics, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou 213003, China
| | - Weiding Cui
- Nanjing Medical University, Nangjing 210029, China
| | - Weixi Liu
- Department of Orthopedic Surgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China.
| | - Ruiping Liu
- Department of Orthopaedics, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou 213003, China.
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Sun Y, Jiang H, Pan L, Han Y, Chen Y, Jiang Y, Wang Y. LncRNA OIP5-AS1/miR-410-3p/Wnt7b axis promotes the proliferation of rheumatoid arthritis fibroblast-like synoviocytes via regulating the Wnt/β-catenin pathway. Autoimmunity 2023; 56:2189136. [PMID: 36942896 DOI: 10.1080/08916934.2023.2189136] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023]
Abstract
LncRNA OIP5-AS1 has a common gene imbalance in various cancers and tumours, which plays an important role in regulating its biological function. However, there are few studies on lncRNA OIP5-AS1 in rheumatoid arthritis (RA). The purpose of the present study was to investigate the role of lncRNA OIP5-AS1 in the pathogenesis of RA. In the present study, we established an adjuvant arthritis (AA) rat model to obtain primary fibroblast-like synoviocytes (FLSs);The subcellular localisation of lncRNA OIP5-AS1 was detected by fluorescence in situ hybridisation (FISH) assay; Cell proliferation of FLSs was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) assay;IL-1β, IL-6 and TNF-α concentrations were measured by enzyme-linked immunosorbent assay (ELISA);Quantitative real-time PCR (qRT-PCR), Western blots(WB) and immunofluorescence were used to detect the expression of lncRNA OIP5-AS1/miR-410-3p/wnt7b signal axis and Wnt/β-catenin signal pathway related indicators in FLSs. FISH assay confirmed the presence of lncRNA OIP5-AS1 in the cytoplasm, suggesting that it acts as a competing endogenous RNA (ceRNA). qRT-PCR showed that the expression of lncRNA OIP5-AS1 was upregulated in FLSs, while the expression of miR-410-3p was downregulated in FLSs. We also found that lncRNA OIP5-AS1 knockdown inhibited the proliferation and inflammation of FLSs. Moreover, the expression of Wnt7b, the downstream target gene of miR-410-3p, and the activation of the Wnt/β-catenin signalling pathway were also inhibited by lncRNA OIP5-AS1 knockdown. These results suggested that lncRNA OIP5-AS1 promotes the activation of the Wnt/β-catenin signalling pathway by regulating the miR-410-3p/Wnt7b signalling axis, thereby participating in the occurrence and development of RA.
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Affiliation(s)
- Yuan Sun
- Pharmacy Department, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
- School of Pharmacy, Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
- Pharmacy Department, ShangHai East Hospital, Shanghai, P.R. China
| | - Hui Jiang
- Pharmacy Department, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
| | - LingYu Pan
- Pharmacy Department, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
| | - YanQuan Han
- Pharmacy Department, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
| | - Yan Chen
- School of Pharmacy, Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
| | - Yeke Jiang
- School of Pharmacy, Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
| | - Yongzhong Wang
- Pharmacy Department, The First Affiliated Hospital of Anhui University of Traditional Chinese Medicine, Hefei, Anhui, P.R. China
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Giriyappagoudar M, Vastrad B, Horakeri R, Vastrad C. Study on Potential Differentially Expressed Genes in Idiopathic Pulmonary Fibrosis by Bioinformatics and Next-Generation Sequencing Data Analysis. Biomedicines 2023; 11:3109. [PMID: 38137330 PMCID: PMC10740779 DOI: 10.3390/biomedicines11123109] [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: 09/23/2023] [Revised: 10/31/2023] [Accepted: 11/02/2023] [Indexed: 12/24/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic progressive lung disease with reduced quality of life and earlier mortality, but its pathogenesis and key genes are still unclear. In this investigation, bioinformatics was used to deeply analyze the pathogenesis of IPF and related key genes, so as to investigate the potential molecular pathogenesis of IPF and provide guidance for clinical treatment. Next-generation sequencing dataset GSE213001 was obtained from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified between IPF and normal control group. The DEGs between IPF and normal control group were screened with the DESeq2 package of R language. The Gene Ontology (GO) and REACTOME pathway enrichment analyses of the DEGs were performed. Using the g:Profiler, the function and pathway enrichment analyses of DEGs were performed. Then, a protein-protein interaction (PPI) network was constructed via the Integrated Interactions Database (IID) database. Cytoscape with Network Analyzer was used to identify the hub genes. miRNet and NetworkAnalyst databaseswereused to construct the targeted microRNAs (miRNAs), transcription factors (TFs), and small drug molecules. Finally, receiver operating characteristic (ROC) curve analysis was used to validate the hub genes. A total of 958 DEGs were screened out in this study, including 479 up regulated genes and 479 down regulated genes. Most of the DEGs were significantly enriched in response to stimulus, GPCR ligand binding, microtubule-based process, and defective GALNT3 causes HFTC. In combination with the results of the PPI network, miRNA-hub gene regulatory network and TF-hub gene regulatory network, hub genes including LRRK2, BMI1, EBP, MNDA, KBTBD7, KRT15, OTX1, TEKT4, SPAG8, and EFHC2 were selected. Cyclothiazide and rotigotinethe are predicted small drug molecules for IPF treatment. Our findings will contribute to identification of potential biomarkers and novel strategies for the treatment of IPF, and provide a novel strategy for clinical therapy.
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Affiliation(s)
- Muttanagouda Giriyappagoudar
- Department of Radiation Oncology, Karnataka Institute of Medical Sciences (KIMS), Hubballi 580022, Karnataka, India;
| | - Basavaraj Vastrad
- Department of Pharmaceutical Chemistry, K.L.E. Socitey’s College of Pharmacy, Gadag 582101, Karnataka, India;
| | - Rajeshwari Horakeri
- Department of Computer Science, Govt First Grade College, Hubballi 580032, Karnataka, India;
| | - Chanabasayya Vastrad
- Biostatistics and Bioinformatics, Chanabasava Nilaya, Bharthinagar, Dharwad 580001, Karnataka, India
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Tonutti A, Granata V, Marrella V, Sobacchi C, Ragusa R, Sconza C, Rani N, Di Matteo B, Ceribelli A. The role of WNT and IL-1 signaling in osteoarthritis: therapeutic implications for platelet-rich plasma therapy. FRONTIERS IN AGING 2023; 4:1201019. [PMID: 37362206 PMCID: PMC10285667 DOI: 10.3389/fragi.2023.1201019] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 05/22/2023] [Indexed: 06/28/2023]
Abstract
Different from inflammatory arthritis, where biologicals and targeted synthetic molecules have revolutionized the disease course, no drug has demonstrated a disease modifying activity in osteoarthritis, which remains one of the most common causes of disability and chronic pain worldwide. The pharmacological therapy of osteoarthritis is mainly directed towards symptom and pain relief, and joint replacement is still the only curative strategy. Elucidating the disease pathophysiology is essential to understand which mechanisms can be targeted by innovative therapies. It has extensively been demonstrated that aberrant WNT and IL-1 signaling pathways are responsible for cartilage degeneration, impaired chondrocyte metabolism and differentiation, increased extracellular matrix degradation, and altered subchondral bone homeostasis. Platelet-rich plasma is an autologous blood derivative containing a concentration of platelets that is much higher than the whole blood counterpart and has shown promising results in the treatment of early knee osteoarthritis. Among the proposed mechanisms, the modulation of WNT and IL-1 pathways is of paramount importance and is herein reviewed in light of the proposed regenerative approaches.
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Affiliation(s)
- Antonio Tonutti
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Rheumatology and Clinical Immunology, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Italy
| | - Valentina Granata
- Human Genome and Biomedical Technologies Unit, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Italy
- Milan Unit, National Research Council—Institute for Genetic and Biomedical Research (CNR-IRGB), Milan, Italy
| | - Veronica Marrella
- Human Genome and Biomedical Technologies Unit, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Italy
- Milan Unit, National Research Council—Institute for Genetic and Biomedical Research (CNR-IRGB), Milan, Italy
| | - Cristina Sobacchi
- Human Genome and Biomedical Technologies Unit, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Italy
- Milan Unit, National Research Council—Institute for Genetic and Biomedical Research (CNR-IRGB), Milan, Italy
| | - Rita Ragusa
- Rheumatology and Clinical Immunology, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Italy
| | - Cristiano Sconza
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Department of Rehabilitation and Functional Recovery, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Milan, Italy
| | - Nicola Rani
- Conservative Orthopaedic Surgery and Innovative Techniques, Rizzoli Orthopaedic Institute, Bologna, Italy
| | - Berardo Di Matteo
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Division of Orthopedics, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Italy
| | - Angela Ceribelli
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy
- Rheumatology and Clinical Immunology, Istituti di Ricovero e Cura a Carattere Scientifico (IRCCS) Humanitas Research Hospital, Rozzano, Italy
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Zhu M, Ding Q, Lin Z, Fu R, Zhang F, Li Z, Zhang M, Zhu Y. New Targets and Strategies for Rheumatoid Arthritis: From Signal Transduction to Epigenetic Aspect. Biomolecules 2023; 13:biom13050766. [PMID: 37238636 DOI: 10.3390/biom13050766] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/17/2023] [Accepted: 04/21/2023] [Indexed: 05/28/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease that can lead to joint damage and even permanent disability, seriously affecting patients' quality of life. At present, the complete cure for RA is not achievable, only to relieve the symptoms to reduce the pain of patients. Factors such as environment, genes, and sex can induce RA. Presently, non-steroidal anti-inflammatory drugs, DRMADs, and glucocorticoids are commonly used in treating RA. In recent years, some biological agents have also been applied in clinical practice, but most have side effects. Therefore, finding new mechanisms and targets for treating RA is necessary. This review summarizes some potential targets discovered from the perspective of epigenetics and RA mechanisms.
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Affiliation(s)
- Menglin Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
| | - Qian Ding
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
| | - Zhongxiao Lin
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
| | - Rong Fu
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
| | - Fuyuan Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
| | - Zhaoyi Li
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
| | - Mei Zhang
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
| | - Yizhun Zhu
- State Key Laboratory of Quality Research in Chinese Medicine, School of Pharmacy, Macau University of Science and Technology, Macau 999078, China
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 201203, China
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Zhou W, Wang Y, Huang Y, Liu J, Cheng C, Xue Q, Wang X, Chang J, Miao C. Huangqin Qingre Qubi Capsule inhibits RA pathology by binding FZD8 and further inhibiting the activity of Wnt/β-catenin signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2023; 302:115886. [PMID: 36336221 DOI: 10.1016/j.jep.2022.115886] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/18/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Huangqin Qingre Qubi Capsule (HQC) is a Chinese herbal compound for the treatment of rheumatoid arthritis (RA), which is made from dry roots of Scutellaria baicalensis Georgi, dry mature seeds of Gardenia jasminoides J.Ellis, dry and mature seeds of Coix lacryma-jobi var. stenocarpa Oliv., dry mature seeds of Amygdalus persica L. and roots and rhizomes of Clematis chinensis Osbeck in the proportion of 10:9:30:5:10. HQC has a significant effect in clinical treatment of RA, which can inhibit RA inflammation, improve oxidative stress state, and effectively relieve symptoms of RA patients. AIM OF THE STUDY The anti-arthritis effect of HQC and its mechanism, especially whether it improves RA through FZD8-Wnt/β-catenin signal axis, were studied using adjuvant arthritis (AA) rats and FLS from RA patients. MATERIALS AND METHODS Real time qPCR (RT-qPCR), Western blot (WB), confocal microscopy and other molecular biological methods were used to study the anti-RA effect of HQC and its mechanism. RESULTS The expression of FZD8 was significantly up-regulated in synovium and FLS of AA rats and RA FLS. FZD8 significantly activated the Wnt/β-catenin signaling pathway, promoted abnormal proliferation of FLS, increased the levels of inflammatory factors IL-1β, IL-6 and IL-8, and significantly increased the expression of matrix metalloproteinase 3 (MMP3) and fibronectin. HQC has significant therapeutic effect on AA rats. Molecular docking and molecular dynamics showed that HQC had a good binding ability with FZD8. We also confirmed that HQC inhibited Wnt/β-catenin signaling pathway by binding FZD8, and reduced the levels of the above inflammatory factors and pathological genes of RA. CONCLUSIONS The expression of FZD8 is significantly increased in AA rats and FLS from RA patients. Clarify that HQC improves RA through the FZD8-Wnt/β-catenin signal axis, provide a clear therapeutic mechanism for HQC to improve RA, and also provide a basis for clinical promotion of HQC.
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Affiliation(s)
- Wanwan Zhou
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yuting Wang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Yurong Huang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Jian Liu
- Department of Rheumatology, The First Affiliated Hospital, Anhui University of Chinese Medicine, Hefei, China; Institute of Rheumatism, Anhui University of Chinese Medicine, Hefei, China.
| | - Chenglong Cheng
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Qiuyun Xue
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Xiao Wang
- Department of Clinical Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China
| | - Jun Chang
- Department of Orthopaedics, The First Affiliated Hospital of Anhui Medical University, Hefei, China; Anhui Public Health Clinical Center, Hefei, China; Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, School of Life Sciences, Anhui Medical University, Hefei, China.
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China; Institute of Rheumatism, Anhui University of Chinese Medicine, Hefei, China.
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8
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Assadiasl S, Rajabinejad M, Soleimanifar N, Makiyan F, Azizi E, Rezaiemanesh A, Nicknam MH. MicroRNAs-mediated regulation pathways in rheumatic diseases. Inflammopharmacology 2023; 31:129-144. [PMID: 36469219 DOI: 10.1007/s10787-022-01097-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Accepted: 10/29/2022] [Indexed: 12/09/2022]
Abstract
Rheumatoid arthritis (RA) and ankylosing spondylitis (AS) are two common rheumatic disorders marked by persistent inflammatory joint disease. Patients with RA have osteodestructive symptoms, but those with AS have osteoproliferative manifestations. Ligaments, joints, tendons, bones, and muscles are all affected by rheumatic disorders. In recent years, many epigenetic factors contributing to the pathogenesis of rheumatoid disorders have been studied. MicroRNAs (miRNAs) are small, non-coding RNA molecules implicated as potential therapeutic targets or biomarkers in rheumatic diseases. MiRNAs play a critical role in the modulation of bone homeostasis and joint remodeling by controlling fibroblast-like synoviocytes (FLSs), chondrocytes, and osteocytes. Several miRNAs have been shown to be dysregulated in rheumatic diseases, including miR-10a, 16, 17, 18a, 19, 20a, 21, 27a, 29a, 34a, 103a, 125b, 132, 137, 143, 145, 146a, 155, 192, 203, 221, 222, 301a, 346, and 548a.The major molecular pathways governed by miRNAs in these cells are Wnt, bone-morphogenic protein (BMP), nuclear factor (NF)-κB, receptor activator of NF-κB (RANK)-RANK ligand (RANKL), and macrophage colony-stimulating factor (M-CSF) receptor pathway. This review aimed to provide an overview of the most important signaling pathways controlled by miRNAs in rheumatic diseases.
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Affiliation(s)
- Sara Assadiasl
- Molecular Immunology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Misagh Rajabinejad
- Student Research Committee, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran.,Department of Immunology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Narjes Soleimanifar
- Molecular Immunology Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Farideh Makiyan
- Division of Nanobiotechnology, Department of Life Sciences Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran
| | - Esfandiar Azizi
- Department of Immunology, Faculty of Medicine, Ilam University of Medical Sciences, Ilam, Iran
| | - Alireza Rezaiemanesh
- Department of Immunology, School of Medicine, Kermanshah University of Medical Sciences, Daneshgah Street, Shahid Shiroudi Boulevard, PO-Box: 6714869914, Bākhtarān, Iran.
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9
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Peng X, Wang Q, Li W, Ge G, Peng J, Xu Y, Yang H, Bai J, Geng D. Comprehensive overview of microRNA function in rheumatoid arthritis. Bone Res 2023; 11:8. [PMID: 36690624 PMCID: PMC9870909 DOI: 10.1038/s41413-023-00244-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 11/15/2022] [Accepted: 12/04/2022] [Indexed: 01/25/2023] Open
Abstract
MicroRNAs (miRNAs), a class of endogenous single-stranded short noncoding RNAs, have emerged as vital epigenetic regulators of both pathological and physiological processes in animals. They direct fundamental cellular pathways and processes by fine-tuning the expression of multiple genes at the posttranscriptional level. Growing evidence suggests that miRNAs are implicated in the onset and development of rheumatoid arthritis (RA). RA is a chronic inflammatory disease that mainly affects synovial joints. This common autoimmune disorder is characterized by a complex and multifaceted pathogenesis, and its morbidity, disability and mortality rates remain consistently high. More in-depth insights into the underlying mechanisms of RA are required to address unmet clinical needs and optimize treatment. Herein, we comprehensively review the deregulated miRNAs and impaired cellular functions in RA to shed light on several aspects of RA pathogenesis, with a focus on excessive inflammation, synovial hyperplasia and progressive joint damage. This review also provides promising targets for innovative therapies of RA. In addition, we discuss the regulatory roles and clinical potential of extracellular miRNAs in RA, highlighting their prospective applications as diagnostic and predictive biomarkers.
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Affiliation(s)
- Xiaole Peng
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Qing Wang
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Wenming Li
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Gaoran Ge
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Jiachen Peng
- grid.413390.c0000 0004 1757 6938Department of Orthopedics, Affiliated Hospital of Zunyi Medical University, 563000 Zunyi, P. R. China
| | - Yaozeng Xu
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Huilin Yang
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Jiaxiang Bai
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
| | - Dechun Geng
- grid.429222.d0000 0004 1798 0228Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, 215006 Jiangsu P. R. China
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10
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Yu B, Chen Y, Chen E, Zuo F, Yuan Y, Zhao X, Xiao C. LncRNA RNA XIST binding to GATA1 contributes to rheumatoid arthritis through its effects on proliferation of synovial fibroblasts and angiogenesis via regulation of CCN6. Mol Immunol 2023; 153:200-211. [PMID: 36542956 DOI: 10.1016/j.molimm.2022.12.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 11/09/2022] [Accepted: 12/07/2022] [Indexed: 12/23/2022]
Abstract
This study explored the role of the long non-coding RNA (lncRNA) XIST (X-inactive specific transcript) as a driver of RA pathogenesis, with a particular focus on the ability of this lncRNA to interact with GATA1 and CCN6. The GSE83147and GSE181614 datasets were downloaded for analysis. XIST and CCN6 expression were assessed in synovial fibroblasts (SFs) and in both normal cartilage samples and those from RA patients, with the relationship between XIST and CCN6 additionally being examined. XIST and CCN6 were respectively knocked down or overexpressed in SFs to establish their regulatory roles in these cells in the context of RA. Further studies of the regulatory interplay between XIST, GATA1, and CCN6 were then performed through RNA immunoprecipitation, RNA pull-down, gain-of-function, loss-of-function, and luciferase reporter assays. In addition, RA model rats were established and used to measure the production of TNF-α, IL-6, and IL-8 and to subject tissues from these animals to histopathological examination. RA patient synovial tissues and SFs exhibited XIST and CCN6 upregulation. The knockdown of XIST suppressed SF migratory, proliferative, invasive, and angiogenic activity, while CCN6 knockdown partially reversed the ability of XIST to influence these phenotypic outcomes in vitro and in vivo. XIST bound to GATA1 within SFs, thus promoting enhanced CCN6 transcription. Knocking down XIST alleviated RA-related pathological damage, synovial injury, and inflammatory response induction in rats. The binding of XIST to GATA1 leads to CCN6 upregulation, driving RA pathogenesis by altering SF proliferation and angiogenic activity, suggesting that this pathway may represent a viable target for therapeutic intervention.
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Affiliation(s)
- Beijia Yu
- the Department of Rheumatology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, China.
| | - Yong Chen
- the Department of Rheumatology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, China.
| | - Ensheng Chen
- the Department of Rheumatology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, China.
| | - Fangfang Zuo
- the Department of Rheumatology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, China.
| | - Yi Yuan
- the Department of Rheumatology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, China.
| | - Xiaofeng Zhao
- the Department of Rheumatology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, China.
| | - Changhong Xiao
- the Department of Rheumatology, Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, China.
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11
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Yang J, Li Z, Wang L, Yun X, Zeng Y, Ng JP, Lo H, Wang Y, Zhang K, Law BYK, Wong VKW. The role of non-coding RNAs (miRNA and lncRNA) in the clinical management of rheumatoid arthritis. Pharmacol Res 2022; 186:106549. [DOI: 10.1016/j.phrs.2022.106549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 11/04/2022] [Accepted: 11/06/2022] [Indexed: 11/09/2022]
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12
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Overexpression of miR-375 and L-type Amino Acid Transporter 1 in Pheochromocytoma and Their Molecular and Functional Implications. Int J Mol Sci 2022; 23:ijms23052413. [PMID: 35269556 PMCID: PMC8910416 DOI: 10.3390/ijms23052413] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 02/06/2022] [Accepted: 02/15/2022] [Indexed: 02/04/2023] Open
Abstract
Pheochromocytoma (Pheo) is a tumor derived from chromaffin cells. It can be studied using 18F-dihydroxyphenylalanine (DOPA)—positron emission tomography (PET) due to its overexpression of L-type amino acid transporters (LAT1 and LAT2). The oncogenic pathways involved are still poorly understood. This study examined the relationship between 18F-DOPA-PET uptake and LAT1 expression, and we explored the role of miR-375 and putative target genes. A consecutive series of 58 Pheo patients were retrospectively analyzed, performing 18F-DOPA-PET in 32/58 patients. Real-time quantitative PCR was used to assess the expression of LAT1, LAT2, phenylethanolamine N-methyltransferase (PNMT), miR-375, and the major components of the Hippo and Wingless/Integrated pathways. Principal germline mutations associated with hereditary Pheo were also studied. Pheo tissues had significantly higher LAT1, LAT2, and PNMT mRNA levels than normal adrenal tissues. MiR-375 was strongly overexpressed. Yes-associated protein 1 and tankyrase 1 were upregulated, while beta-catenin, axin2, monocarboxylate transporter 8, and Frizzled 8 were downregulated. A positive relationship was found between 18F-DOPA-PET SUV mean and LAT1 gene expression and for 24 h-urinary norepinephrine and LAT1. This is the first experimental evidence of 18F-DOPA uptake correlating with LAT1 overexpression. We also demonstrated miR-375 overexpression and downregulated (Wnt) signaling and identified the Hippo pathway as a new potentially oncogenic feature of Pheo.
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13
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Han JJ, Wang XQ, Zhang XA. Functional Interactions Between lncRNAs/circRNAs and miRNAs: Insights Into Rheumatoid Arthritis. Front Immunol 2022; 13:810317. [PMID: 35197980 PMCID: PMC8858953 DOI: 10.3389/fimmu.2022.810317] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 01/06/2022] [Indexed: 12/14/2022] Open
Abstract
Rheumatoid arthritis (RA) is one of the most common autoimmune diseases that affect synovitis, bone, cartilage, and joint. RA leads to bone and cartilage damage and extra-articular disorders. However, the pathogenesis of RA is still unclear, and the lack of effective early diagnosis and treatment causes severe disability, and ultimately, early death. Accumulating evidence revealed that the regulatory network that includes long non-coding RNAs (lncRNAs)/circular RNAs (circRNAs), micro RNAs (miRNAs), and messenger RNAs (mRNA) plays important roles in regulating the pathological and physiological processes in RA. lncRNAs/circRNAs act as the miRNA sponge and competitively bind to miRNA to regulate the expression mRNA in synovial tissue, FLS, and PBMC, participate in the regulation of proliferation, apoptosis, invasion, and inflammatory response. Thereby providing new strategies for its diagnosis and treatment. In this review, we comprehensively summarized the regulatory mechanisms of lncRNA/circRNA-miRNA-mRNA network and the potential roles of non-coding RNAs as biomarkers and therapeutic targets for the diagnosis and treatment of RA.
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Affiliation(s)
- Juan-Juan Han
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai Shangti Orthopaedic Hospital, Shanghai, China
- *Correspondence: Xin-An Zhang, ; Xue-Qiang Wang,
| | - Xin-An Zhang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- College of Kinesiology, Shenyang Sport University, Shenyang, China
- *Correspondence: Xin-An Zhang, ; Xue-Qiang Wang,
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14
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Jhawar S, Arakawa Y, Kumar S, Varghese D, Kim YS, Roper N, Elloumi F, Pommier Y, Pacak K, Del Rivero J. New Insights on the Genetics of Pheochromocytoma and Paraganglioma and Its Clinical Implications. Cancers (Basel) 2022; 14:cancers14030594. [PMID: 35158861 PMCID: PMC8833412 DOI: 10.3390/cancers14030594] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 02/07/2023] Open
Abstract
Simple Summary Pheochromocytoma and paraganglioma (together PPGL) are rare neuroendocrine tumors that arise from chromaffin tissue and produce catecholamines. Approximately 40% of cases of PPGL carry a germline mutation, suggesting that they have a high degree of heritability. The underlying mutation influences the PPGL clinical presentation such as cell differentiation, specific catecholamine production, tumor location, malignant potential and genetic anticipation, which helps to better understand the clinical course and tailor treatment accordingly. Genetic testing for pheochromocytoma and paraganglioma allows an early detection of hereditary syndromes and facilitates a close follow-up of high-risk patients. In this review article, we present the most recent advances in the field of genetics and we discuss the latest guidelines on the surveillance of asymptomatic SDHx mutation carriers. Abstract Pheochromocytomas (PHEOs) and paragangliomas (PGLs) are rare neuroendocrine tumors that arise from chromaffin cells. PHEOs arise from the adrenal medulla, whereas PGLs arise from the neural crest localized outside the adrenal gland. Approximately 40% of all cases of PPGLs (pheochromocytomas/paragangliomas) are associated with germline mutations and 30–40% display somatic driver mutations. The mutations associated with PPGLs can be classified into three groups. The pseudohypoxic group or cluster I includes the following genes: SDHA, SDHB, SDHC, SDHD, SDHAF2, FH, VHL, IDH1/2, MHD2, EGLN1/2 and HIF2/EPAS; the kinase group or cluster II includes RET, NF1, TMEM127, MAX and HRAS; and the Wnt signaling group or cluster III includes CSDE1 and MAML3. Underlying mutations can help understand the clinical presentation, overall prognosis and surveillance follow-up. Here we are discussing the new genetic insights of PPGLs.
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Affiliation(s)
- Sakshi Jhawar
- Life Bridge Health Center, Internal Medicine Program, Sinai Hospital of Baltimore, Baltimore, MD 21215, USA
| | - Yasuhiro Arakawa
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Suresh Kumar
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Diana Varghese
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Yoo Sun Kim
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Nitin Roper
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Fathi Elloumi
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Yves Pommier
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Karel Pacak
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH), Bethesda, MD 20892, USA
| | - Jaydira Del Rivero
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health (NIH), Bethesda, MD 20892, USA
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15
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Abdelaleem OO, Fouad NA, Shaker OG, Ahmed TI, Abdelghaffar NK, Eid HM, Mohamed AA, Elebiary AM, Mohamed MM, Mahmoud RH. Serum miR-224, miR-760, miR-483-5p, miR-378 and miR-375 as potential novel biomarkers in rheumatoid arthritis. Int J Clin Pract 2021; 75:e14651. [PMID: 34310809 DOI: 10.1111/ijcp.14651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 07/21/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is an inflammatory autoimmune disease which affects various tissues and organs mainly joints. Serum microRNAs are considered a new class of non-coding RNA which plays a vital role in pathogenesis of RA. METHODS The current study was conducted on 80 RA patients and 80 healthy participants. Serum expression levels of miR-224, miR-760, miR-483-5p, miR-378 and miR-375 were evaluated via real-time quantitative polymerase chain reaction (PCR). RESULTS Significant upregulation of miR-224, miR-760, miR-483-5p, miR-378 and miR-375 was reported in the present study with respect to the control group (P = .031, P = .017, P = .026, P = .036 and P = .05, respectively). Furthermore, significant positive correlation between the abovementioned microRNAs with DAS28 score (P < .001, each) was demonstrated. CONCLUSION Early detection of RA could be achieved through evaluation of serum expression of miR-224, miR-760, miR-483-5p, miR-378 and miR-375 which also may be used as targets for treatment of patients with RA.
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Affiliation(s)
- Omayma O Abdelaleem
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Nermeen A Fouad
- Department of Rheumatology and Rehabilitation, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Olfat G Shaker
- Department of Biochemistry and molecular biology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Tarek I Ahmed
- Department of Internal medicine, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Noha K Abdelghaffar
- Department of clinical pathology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Hanaa M Eid
- Department of Medical microbiology and immunology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Abdelrahmaan A Mohamed
- Department of Medical microbiology and immunology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Ahmed Magdy Elebiary
- Department of Medical physiology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
| | - Mohamed M Mohamed
- Department of Internal medicine, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Rania H Mahmoud
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Fayoum University, Fayoum, Egypt
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16
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Wang X, Chang J, Zhou G, Cheng C, Xiong Y, Dou J, Cheng G, Miao C. The Traditional Chinese Medicine Compound Huangqin Qingre Chubi Capsule Inhibits the Pathogenesis of Rheumatoid Arthritis Through the CUL4B/Wnt Pathway. Front Pharmacol 2021; 12:750233. [PMID: 34512369 PMCID: PMC8430027 DOI: 10.3389/fphar.2021.750233] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 08/16/2021] [Indexed: 01/13/2023] Open
Abstract
The pathogenesis of rheumatoid arthritis (RA) is still not fully clarified, and the development of therapeutic drugs for RA is particularly urgent. Our group studies a possibility that circ_ 0015756/miR-942-5p may participate in the pathogenesis of RA through disordered Cullin 4B (CUL4B) and the traditional Chinese medicine compound Huangqin Qingre Chubi Capsule (HQC) may inhibit the pathogenesis of RA through the CUL4B/Wnt pathway. Data showed that the expression of circ_0015756 increased not only in fibroblast-like synoviocytes (FLS) of RA, but also in synovium and FLS of CIA mice, and the expression of miR-942-5p decreased. Abnormal circ_0015756 up-regulated the CUL4B expression and activated the canonical Wnt signaling pathway by inhibiting the expression of miR-942-5p. Circ_0015756 participated in the pathogenesis of RA and promoted the abnormal proliferation of FLS. Further, circ_0015756 activated the secretion of IL-1 and IL-8 and promoted the production of RA pathological gene MMP3 and fibronectin. Further analysis showed that HQC inhibited the pathogenesis of RA through the CUL4B/Wnt pathway, and the specific target was CUL4B. HQC interfered with the effects of circ_0015756 on the pathogenesis of RA by inhibiting the CUL4B, showing a good therapeutic effect on RA.
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Affiliation(s)
- Xiao Wang
- Department of Clinical Nursing, School of Nursing, Anhui University of Chinese Medicine, Hefei, China
| | - Jun Chang
- Department of Orthopaedics, 4th Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Guoliang Zhou
- Department of Pharmacy, School of Life and Health Sciences, Anhui University of Science and Technology, Fengyang, China
| | - Chenglong Cheng
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
| | - Youyi Xiong
- Department of Pharmacy, School of Life and Health Sciences, Anhui University of Science and Technology, Fengyang, China
| | - Jinfeng Dou
- Department of Pharmacy, School of Life and Health Sciences, Anhui University of Science and Technology, Fengyang, China
| | - Gen Cheng
- Department of Pharmacy, School of Life and Health Sciences, Anhui University of Science and Technology, Fengyang, China
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
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17
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Adipose-Derived Stem Cell-Derived Extracellular Vesicles Inhibit the Fibrosis of Fibrotic Buccal Mucosal Fibroblasts via the MicroRNA-375/FOXF1 Axis. Stem Cells Int 2021; 2021:9964159. [PMID: 34257670 PMCID: PMC8245228 DOI: 10.1155/2021/9964159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 05/25/2021] [Accepted: 06/07/2021] [Indexed: 01/05/2023] Open
Abstract
Oral submucous fibrosis (OSF) is a precancerous lesion. Adipose-derived stem cell- (ADSC-) derived extracellular vesicles (EVs) (ADSC-EVs) regulate multiple oral diseases. Hence, this study explored the mechanism of ADSC-EVs in OSF. ADSCs were transduced with microRNA- (miR-) 375 mimic. ADSC-EVs and miR-375-overexpressed ADSC-EVs (EVs-miR-375) were extracted and identified. miR-375 expression in EVs and fibrotic buccal mucosal fibroblasts (fBMFs) was detected. EV uptake by fBMFs was observed. The targeted relationship between miR-375 and forkhead box protein F1 (FOXF1) was predicted and verified. After EVs-miR-375 treatment or FOXF1 overexpression, fBMF cell proliferation, migration, invasion, and apoptosis were evaluated, and levels of apoptosis-related proteins (cleaved-caspase-3, Bax, and Bcl-2) and fibrosis markers (α-SMA, collagen I, and collagen III) were detected. Functional rescue experiments were further performed to verify the role of the miR-375/FOXF1 axis in OSF. miR-375 was notably upregulated in EVs-miR-375 and EVs-miR-375-treated fBMFs (all P < 0.001). ADSC-EVs carried miR-375 into fBMFs. fBMFs can internalize ADSC-EVs. EVs-miR-375 treatment markedly inhibited fBMF cell proliferation, migration, invasion, and fibrosis and promoted apoptosis (all P < 0.01). Moreover, miR-375 targeted FOXF1 in fBMFs. FOXF1 overexpression promoted fBMF cell biological behaviors and fibrosis, which were reversed after EVs-miR-375 treatment (P < 0.01 or P < 0.001). We highlighted that ADSC-EVs inhibited fBMF fibrosis and then suppressed OSF progression via the miR-375/FOXF1 axis.
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18
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Miao C, Bai L, Yang Y, Huang J. Dysregulation of lncRNAs in Rheumatoid Arthritis: Biomarkers, Pathogenesis and Potential Therapeutic Targets. Front Pharmacol 2021; 12:652751. [PMID: 33776780 PMCID: PMC7994855 DOI: 10.3389/fphar.2021.652751] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 02/05/2021] [Indexed: 12/15/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease of unknown etiology, mainly manifested by persistent abnormal proliferation of fibroblast-like synoviocytes (FLSs), inflammation, synovial hyperplasia and cartilage erosion, accompanied by joint swelling and joint destruction. Abnormal expression or function of long noncoding RNAs (lncRNAs) are closely related to human diseases, including cancers, mental diseases, autoimmune diseases and others. The abnormal sequence and spatial structure of lncRNAs, the disorder expression and the abnormal interaction with the binding protein will lead to the change of gene expression in the way of epigenetic modification. Increasing evidence demonstrated that lncRNAs were involved in the activation of FLSs, which played a key role in the pathogenesis of RA. In this review, the research progress of lncRNAs in the pathogenesis of RA was systematically summarized, including the role of lncRNAs in the diagnosis of RA, the regulatory mechanism of lncRNAs in the pathogenesis of RA, and the intervention role of lncRNAs in the treatment of RA. Furthermore, the activated signal pathways, the role of DNA methylation and other mechanism have also been overview in this review.
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Affiliation(s)
- Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China.,Anhui Provincial Key Laboratory of Chinese Medicine Compound, Anhui University of Chinese Medicine, Hefei, China.,Department of Pharmacy, School of Life and Health Sciences, Anhui University of Science and Technology, Fengyang, China
| | - Liangliang Bai
- Department of Biomedical Engineering, School of Biomedical Engineering, Anhui Medical University, Hefei, China
| | - Yaru Yang
- Department of Pharmacy, First Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Jinling Huang
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
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19
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Zhi L, Liang J, Huang W, Ma J, Qing Z, Wang X. Circ_AFF2 facilitates proliferation and inflammatory response of fibroblast-like synoviocytes in rheumatoid arthritis via the miR-375/TAB2 axis. Exp Mol Pathol 2021; 119:104617. [PMID: 33535081 DOI: 10.1016/j.yexmp.2021.104617] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 12/10/2020] [Accepted: 01/26/2021] [Indexed: 02/07/2023]
Abstract
Circular RNAs (circRNAs) have been implicated in the pathological regulation of human diseases by acting as microRNA (miRNA) sponges to affect gene expression. CircRNA Fragile Mental Retardation 2 (circ_AFF2) was dysregulated in rheumatoid arthritis (RA), but little is known about its specific function and hidden molecular mechanism in RA. Circ_AFF2, miR-375 and TAK1-binding 2 (TAB2) expression levels were determined through the quantitative real-time polymerase chain reaction (qRT-PCR). Flow cytometry was performed to analyze cell cycle and apoptosis. Cell proliferation detection was conducted by 3-(4, 5-dimethylthiazol-2-y1)-2, 5-diphenyl tetrazolium bromide (MTT) assay. The protein levels were measured using western blot. Inflammatory response was evaluated by enzyme-linked immunosorbent assay (ELISA). RNA pull-down assay was used to select the miRNA target of circ_AFF2. The interaction between miR-375 and circ_AFF2 or TAB2 was analyzed using the dual-luciferase reporter assay. Contrasted to normal samples and fibroblast-like synoviocytes (FLS), circ_AFF2 expression was upregulated in RA blood samples and FLS-RA cells. Cell cycle, proliferation and inflammatory response were blocked while apoptosis was promoted in FLS-RA after the downregulation of circ_AFF2. In addition, circ_AFF2 could interact with miR-375 and the function of circ_AFF2 was achieved by sponging miR-375 in FLS-RA cells. Moreover, TAB2 was a target of miR-375 and miR-375 repressed RA progression by decreasing TAB2 expression in FLS-RA cells. More importantly, circ_AFF2 promoted the expression of TAB2 by targeting miR-375. These findings clarified that circ_AFF2 induced cell progression, inflammatory response in FLS-RA cells via the miR-375/TAB2 axis. Circ_AFF2 could be used as a biomarker in the diagnosis and treatment of RA.
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Affiliation(s)
- Liqiang Zhi
- Department of Joint Surgery, Xi'an Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jingqi Liang
- Department of Foot and Ankle Surgery, Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Wei Huang
- Department of Orthopaedics Trauma, Xi'an Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jianbing Ma
- Department of Joint Surgery, Xi'an Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhong Qing
- Department of Joint Surgery, Xi'an Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Xi Wang
- Department of Joint Surgery, Xi'an Honghui Hospital, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
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20
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Cheng S, Di Z, Hirman AR, Zheng H, Duo L, Zhai Q, Xu J. MiR-375-3p alleviates the severity of inflammation through targeting YAP1/LEKTI pathway in HaCaT cells. Biosci Biotechnol Biochem 2020; 84:2005-2013. [PMID: 32564679 DOI: 10.1080/09168451.2020.1783196] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Abstract
Atopic dermatitis (AD) is a relapsing inflammatory skin disease with a complicated pathogenesis. This study aimed to investigate whether miR-375-3p could regulate AD through the Yes-associated protein 1 (YAP1) pathway. In this study, inflammatory response was induced by TNF-α and IFN-γ administration in HaCaT cells. We found that viability and inflammatory factor release, including interleukin-1β (IL-1β) and IL-6, were negatively related to miR-375-3p expression in HaCaT cells. We also found that YAP1 overexpression down-regulated lympho-epithelial Kazal type inhibitor (LEKTI) levels and aggravated viability and inflammation in TNF-α and IFN-γ-treated HaCaT cells. Dual-luciferase reporter assay proved the targeted binding of miR-375-3p and YAP1 3ʹ-UTR. Additionally, the protective effect of miR-375-3p on inflammatory response in TNF-α and IFN-γ-treated HaCaT cells could be impeded by YAP1 overexpression. Collectively, our results suggested that miR-375-3p could modulate HaCaT cell viability and inflammation through the YAP1/LEKTI pathway.
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Affiliation(s)
- Shaohang Cheng
- Department of Dermatology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Zhenghong Di
- Department of Dermatology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Abdul Razaq Hirman
- Department of Dermatology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Heng Zheng
- Department of Dermatology, The Central Hospital Affiliated to Shenyang Medical College, Shenyang, People’s Republic of China
| | - Linna Duo
- Department of Dermatology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Qianyu Zhai
- Department of Dermatology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
| | - Jing Xu
- Department of Dermatology, Shengjing Hospital of China Medical University, Shenyang, People’s Republic of China
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21
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Taheri M, Eghtedarian R, Dinger ME, Ghafouri-Fard S. Dysregulation of non-coding RNAs in Rheumatoid arthritis. Biomed Pharmacother 2020; 130:110617. [DOI: 10.1016/j.biopha.2020.110617] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 07/26/2020] [Accepted: 08/02/2020] [Indexed: 02/07/2023] Open
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22
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Li L, Li H, Wang L, Wu S, Lv L, Tahir A, Xiao X, Wong CKC, Sun F, Ge R, Cheng CY. Role of cell polarity and planar cell polarity (PCP) proteins in spermatogenesis. Crit Rev Biochem Mol Biol 2020; 55:71-87. [PMID: 32207344 DOI: 10.1080/10409238.2020.1742091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Studies on cell polarity proteins and planar cell polarity (PCP) proteins date back to almost 40 years ago in Drosophila and C. elegans when these proteins were shown to be crucial to support apico-basal polarity and also directional alignment of polarity cells across the plane of an epithelium during morphogenesis. In adult mammals, cell polarity and PCP are most notable in cochlear hair cells. However, the role of these two groups of proteins to support spermatogenesis was not explored until a decade earlier when several proteins that confer cell polarity and PCP proteins were identified in the rat testis. Since then, there are several reports appearing in the literature to examine the role of both cell polarity and PCP in supporting spermatogenesis. Herein, we provide an overview regarding the role of cell polarity and PCP proteins in the testis, evaluating these findings in light of studies in other mammalian epithelial cells/tissues. Our goal is to provide a timely evaluation of these findings, and provide some thought provoking remarks to guide future studies based on an evolving concept in the field.
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Affiliation(s)
- Linxi Li
- The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China.,Center for Biomedical Research, The Mary M. Wohlford Laboratory for Male Contraceptive Research, Population Council, New York, USA
| | - Huitao Li
- The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China.,Center for Biomedical Research, The Mary M. Wohlford Laboratory for Male Contraceptive Research, Population Council, New York, USA
| | - Lingling Wang
- Center for Biomedical Research, The Mary M. Wohlford Laboratory for Male Contraceptive Research, Population Council, New York, USA
| | - Siwen Wu
- The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China.,Center for Biomedical Research, The Mary M. Wohlford Laboratory for Male Contraceptive Research, Population Council, New York, USA
| | - Lixiu Lv
- The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Anam Tahir
- The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - Xiang Xiao
- Department of Reproductive Physiology, Zhejiang Academy of Medical Sciences, Hangzhou, China
| | - Chris K C Wong
- Department of Biology, Croucher Institute for Environmental Sciences, Hong Kong Baptist University, Hong Kong, China
| | - Fei Sun
- Institute of Reproductive Medicine, Nantong University School of Medicine, Nantong, China
| | - Renshan Ge
- The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China
| | - C Yan Cheng
- The Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, China.,Center for Biomedical Research, The Mary M. Wohlford Laboratory for Male Contraceptive Research, Population Council, New York, USA
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23
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Dinesh P, Kalaiselvan S, Sujitha S, Rasool M. MiR-145-5p mitigates dysregulated Wnt1/β-catenin signaling pathway in rheumatoid arthritis. Int Immunopharmacol 2020; 82:106328. [PMID: 32088641 DOI: 10.1016/j.intimp.2020.106328] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 02/04/2020] [Accepted: 02/14/2020] [Indexed: 12/28/2022]
Abstract
Fibroblast-like synoviocytes (FLS) lining the arthritic synovial joint region have been implicated to be a key player in bone remodeling. The uncontrolled proliferation of this cell subtype is strictly regulated by various molecular elements including microRNAs (miRNAs). The Wnt1/β-catenin signaling pathway plays a crucial role in the survival of FLS cells. This study explores the underlying mechanism of miR-145-5p towards the Wnt1/β-catenin pathway. MiR-145-5p depicted a strong binding affinity towards frizzled class receptor 4 (FZD4) 3' UTR, a key receptor complex essential for recognizing circulating Wnt1 molecules. Adjuvant induced arthritic fibroblast-like synoviocytes (AA-FLS) isolated from rats stimulated with Wnt1 (10 ng/ml) elicited active Wnt1/β-catenin signaling. Transfection of miR-145-5p mimic (50 pmol) to AA-FLS stimulated with Wnt1 elicited reduced expression levels of various factors of Wnt1/β-catenin signaling including low-density lipoprotein receptor-related protein 5 (LRP5), dishevelled segment polarity protein 1 (Dvl1) and β-catenin transcription factor. Moreover, pro-inflammatory cytokines (TNFα, IL-1β, IL-6 and IL-23) were regulated compared to the diseased groups. Furthermore, miR-145-5p counterbalanced the levels of receptor activator of nuclear factor kappa B ligand (RANKL) and osteoprotegerin (OPG) at the cellular level, essential for bone remodeling. Hence, we suggest that miR-145-5p regulates the survival/proliferation of FLS cells in RA disease condition through attenuation of Wnt1/β-catenin signaling.
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Affiliation(s)
- Palani Dinesh
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore 632 014, Tamil Nadu, India
| | - Sowmiya Kalaiselvan
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore 632 014, Tamil Nadu, India
| | - Sali Sujitha
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore 632 014, Tamil Nadu, India
| | - Mahaboobkhan Rasool
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore 632 014, Tamil Nadu, India.
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24
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Sujitha S, Dinesh P, Rasool M. Berberine encapsulated PEG-coated liposomes attenuate Wnt1/β-catenin signaling in rheumatoid arthritis via miR-23a activation. Eur J Pharm Biopharm 2020; 149:170-191. [PMID: 32068029 DOI: 10.1016/j.ejpb.2020.02.007] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 01/16/2020] [Accepted: 02/12/2020] [Indexed: 10/25/2022]
Abstract
Bone erosion is a debilitating pathological process of osteopathic disorder like rheumatoid arthritis (RA). Current treatment strategies render low disease activity but with disease recurrence. To find an alternative, we designed this study with an aim to explore the underlying therapeutic effect of PEGylated liposomal BBR (PEG-BBR) against Wnt1/β-catenin mediated bone erosion in adjuvant-induced arthritic (AA) rat model and fibroblast-like synoviocytes (FLS) with reference to microRNA-23a (miR-23a) activity. Our initial studies using confocal microscopy and Near-Infrared Imaging (NIR) showed successful internalization of PEG-BBR and PEG-miR-23a in vitro and in vivo respectively and was retained till 48 h. The preferential internalization of PEG-BBR into the inflamed joint region significantly reduced the gene and protein level expression of major Wnt1 signaling mediators and reduced bone erosion in rats. Moreover, PEG-BBR treatment in FLS cells attenuated the gene and protein expression levels of FZD4, LRP5, β-catenin, and Dvl-1 through the induction of CYLD. Furthermore, inhibition of these factors resulted in reduced bone loss and increased calcium retainability by altering the RANKL/OPG axis. PEG-BBR treatment markedly inhibited the expression of LRP5 protein on par with the DKK-1 (LRP5/Wnt signaling inhibitor) and suppressed the transcriptional activation of β-catenin inside the cells. We further witnessed that miR-23a altered the expression levels of LRP5 through RNA interference. Overall, our findings endorsed that miR-23a possesses a multifaceted therapeutic efficiency like berberine in RA pathogenesis and can be considered as a potential candidate for therapeutic targeting of Wnt1/β-catenin signaling in RA disease condition.
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Affiliation(s)
- Sali Sujitha
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore 632 014, Tamil Nadu, India
| | - Palani Dinesh
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore 632 014, Tamil Nadu, India
| | - Mahaboobkhan Rasool
- Immunopathology Lab, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore 632 014, Tamil Nadu, India.
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25
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Zou LX, Yu L, Zhao XM, Liu J, Lu HG, Liu GW, Guo WC. MiR-375 Mediates Chondrocyte Metabolism and Oxidative Stress in Osteoarthritis Mouse Models through the JAK2/STAT3 Signaling Pathway. Cells Tissues Organs 2020; 208:13-24. [PMID: 32045921 DOI: 10.1159/000504959] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Accepted: 11/24/2019] [Indexed: 11/19/2022] Open
Abstract
OBJECTIVE The aim of this work was to determine the effect of miR-375 on chondrocyte metabolism and oxidative stress in osteoarthritis (OA) mouse models through the JAK2/STAT3 signaling pathway. METHODS Chondrocytes were divided into control, IL-1β, IL-1β + miR-375 mimic, IL-1β + miR-375 inhibitor, IL-1β + miR-NC (negative control), and IL-1β + miR-375 inhibitor + siJAK2 groups. The chondrocyte proliferation was determined by MTT assay, the superoxide dismutase (SOD) and malondialdehyde (MDA) levels by corresponding kits, and the chondrocyte apoptosis by TUNEL staining. Furthermore, OA mouse models were divided into Sham, OA + miR-NC, and OA + miRNA-375 antagomir groups. The pathological changes were observed, and the expressions of miR-375 and the JAK2/STAT3 pathway were determined by qRT-PCR and Western blotting, respectively. RESULTS IL-1β-induced chondrocytes had significant increases in miR-375 and MDA, with decreased proliferation and SOD levels, as compared to the control group. Meanwhile, they also exhibited elevated apoptosis, with upregulations of ADAMTS-5 and MMP-13 and downregulations of COL2A1 and ACAN, as well as decreased p-JAK2/JAK2, p-STAT3/STAT3, and Bcl-2/Bax. However, these changes were significantly improved after transfection with miR-375 inhibitor, but transfection with miR-375 mimic resulted in severer exacerbation. Notably, the improvement of miR-375 inhibitor could be abolished by transfection with siJAK2. Furthermore, miR-375 antagomir significantly alleviated OA progression in OA mice in vivo. CONCLUSION MiR-375 suppression enhanced the ability of chondrocyte to antagonize the oxidative stress and maintained the homeostasis of extracellular matrix metabolism to protect chondrocytes from OA via activation of the JAK2/STAT3 pathway, indicating that miR-375 is a potential molecular target for OA treatment.
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Affiliation(s)
- Li-Xue Zou
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ling Yu
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xun-Ming Zhao
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
| | - Jun Liu
- Department of Orthopedics, Jingzhou Central Hospital, Jingzhou City, China
| | - Hou-Gen Lu
- Department of Orthopedics, Jingzhou Central Hospital, Jingzhou City, China
| | - Gai-Wei Liu
- Department of Orthopedics, Jingzhou Central Hospital, Jingzhou City, China
| | - Wei-Chun Guo
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China,
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26
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Wnt Signaling and Biological Therapy in Rheumatoid Arthritis and Spondyloarthritis. Int J Mol Sci 2019; 20:ijms20225552. [PMID: 31703281 PMCID: PMC6888549 DOI: 10.3390/ijms20225552] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Revised: 11/02/2019] [Accepted: 11/06/2019] [Indexed: 12/17/2022] Open
Abstract
The Wnt signaling pathway plays a key role in several biological processes, such as cellular proliferation and tissue regeneration, and its dysregulation is involved in the pathogenesis of many autoimmune diseases. Several evidences support its role especially in bone complications of rheumatic diseases. In Rheumatoid Arthritis (RA), the Wnt signaling is implicated in systemic and localized bone loss, while available data of its role in Spondyloarthritis (SpA) are conflicting. In the last few decades, the quality of life of rheumatic patients has been dramatically improved by biological therapy, targeting cytokines involved in the pathogenesis of these diseases like tumor necrosis factor (TNF)α, interleukin (IL)-1, IL-6, IL-17. In this review, we reviewed the role of Wnt signaling in RA and SpA, focusing on the effect of biological therapy on this pathway and its possible clinical implications.
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27
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Evangelatos G, Fragoulis GE, Koulouri V, Lambrou GI. MicroRNAs in rheumatoid arthritis: From pathogenesis to clinical impact. Autoimmun Rev 2019; 18:102391. [PMID: 31520804 DOI: 10.1016/j.autrev.2019.102391] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Accepted: 05/31/2019] [Indexed: 12/15/2022]
Abstract
Over the last decade, many epigenetic mechanisms that contribute in the pathogenesis of autoimmune disorders have been revealed. MicroRNAs (miRNAs) are small, non-coding, RNA molecules that bind to messenger RNAs and disrupt the transcription of target genes. Rheumatoid arthritis (RA) is a chronic systemic autoimmune disease in which a plethora of epigenetic changes take place. Current research on RA epigenetics has focused mainly on miRNAs. Genetic variance of some miRNA genes, especially miR-499, might predispose an individual to RA development. Additionally, altered expression of many miRNAs has been discovered in several cells, tissues and body fluids in patients with RA. MiRNAs expression also differs depending on disease's stage and activity. Serum miR-22 and miR-103a might predict RA development in susceptible individuals (pre-RA), while serum miR-16, miR-24, miR-125a and miR-223 levels are altered in early RA (disease duration <12 months) patients compared to established RA or healthy individuals. Moreover, serum miR-223 levels have been associated with RA activity and disease relapse. What is more, serum levels of several miRNAs, including miR-125b and miR-223, could be used to predict response to RA treatment. Finally, miRNA analogs or antagonists have been used as therapeutic regimens in experimental arthritis models and have demonstrated promising results. In conclusion, the research on the miRNA alterations in RA sheds light to several aspects of RA pathogenesis, introduces new biomarkers for RA diagnosis and treatment response prediction and offers the opportunity to discover new, targeted drugs for patients with RA.
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Affiliation(s)
- Gerasimos Evangelatos
- Rheumatology Department, 417 Army Share Fund Hospital (NMTS), Athens, Greece; Postgraduate Program "Metabolic Bone Diseases", School of Medicine, National and Kapodistrian University of Athens, Greece.
| | - George E Fragoulis
- Rheumatology Unit, First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece; Institute of Infection, Immunity and Inflammation, University of Glasgow, Glasgow, United Kingdom.
| | - Vassiliki Koulouri
- Department of Physiology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
| | - George I Lambrou
- Postgraduate Program "Metabolic Bone Diseases", School of Medicine, National and Kapodistrian University of Athens, Greece; Choremeio Research Laboratory, First Department of Pediatrics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece.
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28
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Zakeri Z, Salmaninejad A, Hosseini N, Shahbakhsh Y, Fadaee E, Shahrzad MK, Fadaei S. MicroRNA and exosome: Key players in rheumatoid arthritis. J Cell Biochem 2019; 120:10930-10944. [PMID: 30825220 DOI: 10.1002/jcb.28499] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2018] [Revised: 12/10/2018] [Accepted: 12/14/2018] [Indexed: 01/24/2023]
Abstract
Rheumatoid arthritis (RA) is known as one of important autoimmune disorders which can lead to joint pain and damage throughout body. Given that internal (ie, genetic and epigenetic alterations) and external factors (ie, lifestyle changes, age, hormones, smoking, stress, and obesity) involved in RA pathogenesis. Increasing evidence indicated that cellular and molecular alterations play critical roles in the initiation and progression of RA. Among various targets and molecular signaling pathways, microRNAs (miRNAs) and their regulatory networks have key roles in the RA pathogenesis. It has been showed that deregulation of many miRNAs involved in different stages of RA. Hence, identification of miRNAs and their signaling pathways in RA, could contribute to new knowledge which help to better treatment of patients with RA. Besides miRNAs, exosomes have been emerged as key messengers in RA pathogenesis. Exsosomes are nanocarriers which could be released from various cells and lead to changing of behaviors recipient cells via targeting their cargos (eg, proteins, messenger RNAs, miRNAs, long noncoding RNAs, DNAs). Here, we summarized several miRNAs involved in RA pathogenesis. Moreover, we highlighted the roles of exosomes in RA pathogenesis.
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Affiliation(s)
- Zahra Zakeri
- Labafinejad Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Arash Salmaninejad
- Drug Applied Research Center, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medical Genetics, Medical Genetics Research Center, Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Nayyerehalsadat Hosseini
- Department of Medical Genetics, Medical Genetics Research Center, Student Research Committee, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Yas Shahbakhsh
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Elyas Fadaee
- Faculty of Medicine, Islamic Azad University of Najafabad, Najafabad, Iran
| | - Mohammad Karim Shahrzad
- Shohada Tajrish Medical Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sara Fadaei
- Department of Internal Medicine, Student Research Committee, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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29
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Nemtsova MV, Zaletaev DV, Bure IV, Mikhaylenko DS, Kuznetsova EB, Alekseeva EA, Beloukhova MI, Deviatkin AA, Lukashev AN, Zamyatnin AA. Epigenetic Changes in the Pathogenesis of Rheumatoid Arthritis. Front Genet 2019; 10:570. [PMID: 31258550 PMCID: PMC6587113 DOI: 10.3389/fgene.2019.00570] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 05/31/2019] [Indexed: 01/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is a systemic autoimmune disease that affects about 1% of the world’s population. The etiology of RA remains unknown. It is considered to occur in the presence of genetic and environmental factors. An increasing body of evidence pinpoints that epigenetic modifications play an important role in the regulation of RA pathogenesis. Epigenetics causes heritable phenotype changes that are not determined by changes in the DNA sequence. The major epigenetic mechanisms include DNA methylation, histone proteins modifications and changes in gene expression caused by microRNAs and other non-coding RNAs. These modifications are reversible and could be modulated by diet, drugs, and other environmental factors. Specific changes in DNA methylation, histone modifications and abnormal expression of non-coding RNAs associated with RA have already been identified. This review focuses on the role of these multiple epigenetic factors in the pathogenesis and progression of the disease, not only in synovial fibroblasts, immune cells, but also in the peripheral blood of patients with RA, which clearly shows their high diagnostic potential and promising targets for therapy in the future.
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Affiliation(s)
- Marina V Nemtsova
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Laboratory of Epigenetics, Research Centre for Medical Genetics, Moscow, Russia
| | - Dmitry V Zaletaev
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Laboratory of Epigenetics, Research Centre for Medical Genetics, Moscow, Russia
| | - Irina V Bure
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Dmitry S Mikhaylenko
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Laboratory of Epigenetics, Research Centre for Medical Genetics, Moscow, Russia
| | - Ekaterina B Kuznetsova
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Laboratory of Epigenetics, Research Centre for Medical Genetics, Moscow, Russia
| | - Ekaterina A Alekseeva
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Laboratory of Epigenetics, Research Centre for Medical Genetics, Moscow, Russia
| | - Marina I Beloukhova
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Andrei A Deviatkin
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Alexander N Lukashev
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,Martsinovsky Institute of Medical Parasitology, Tropical and Vector Borne Diseases, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Andrey A Zamyatnin
- Institute of Molecular Medicine, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.,A.N. Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, Russia
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30
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Sedgeman LR, Beysen C, Ramirez Solano MA, Michell DL, Sheng Q, Zhao S, Turner S, Linton MF, Vickers KC. Beta cell secretion of miR-375 to HDL is inversely associated with insulin secretion. Sci Rep 2019; 9:3803. [PMID: 30846744 PMCID: PMC6405899 DOI: 10.1038/s41598-019-40338-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 02/08/2019] [Indexed: 12/15/2022] Open
Abstract
Extracellular microRNAs (miRNAs) are a new class of biomarkers for cellular phenotypes and disease, and are bioactive signals within intercellular communication networks. Previously, we reported that miRNAs are secreted from macrophage to high-density lipoproteins (HDL) and delivered to recipient cells to regulate gene expression. Despite the potential importance of HDL-miRNAs, regulation of HDL-miRNA export from cells has not been fully studied. Here, we report that pancreatic islets and beta cells abundantly export miR-375-3p to HDL and this process is inhibited by cellular mechanisms that promote insulin secretion. Small RNA sequencing and PCR approaches were used to quantify beta cell miRNA export to HDL. Strikingly, high glucose conditions were found to inhibit HDL-miR-375-3p export, which was dependent on extracellular calcium. Likewise, stimulation of cAMP was found to repress HDL-miR-375-3p export. Furthermore, we found that beta cell ATP-sensitive potassium channel (KATP) channels are required for HDL-miRNA export as chemical inhibition (tolbutamide) and global genetic knockout (Abcc8−/−) approaches inhibited HDL-miR-375-3p export. This process is not likely associated with cholesterol flux, as gain-of-function and loss-of-function studies for cholesterol transporters failed to alter HDL-miR-375-3p export. In conclusion, results support that pancreatic beta cells export miR-375-3p to HDL and this process is inversely regulated to insulin secretion.
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Affiliation(s)
- Leslie R Sedgeman
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, USA
| | | | | | - Danielle L Michell
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Quanhu Sheng
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Shilin Zhao
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN, USA
| | | | - MacRae F Linton
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kasey C Vickers
- Department of Molecular Physiology and Biophysics, Vanderbilt University, Nashville, TN, USA. .,Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA.
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31
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Dinh TA, Jewell ML, Kanke M, Francisco A, Sritharan R, Turnham RE, Lee S, Kastenhuber ER, Wauthier E, Guy CD, Yeung RS, Lowe SW, Reid LM, Scott JD, Diehl AM, Sethupathy P. MicroRNA-375 Suppresses the Growth and Invasion of Fibrolamellar Carcinoma. Cell Mol Gastroenterol Hepatol 2019; 7:803-817. [PMID: 30763770 PMCID: PMC6468197 DOI: 10.1016/j.jcmgh.2019.01.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 01/31/2019] [Accepted: 01/31/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND & AIMS Fibrolamellar carcinoma (FLC) is a rare liver cancer that primarily affects adolescents and young adults. It is characterized by a heterozygous approximately 400-kb deletion on chromosome 19 that results in a unique fusion between DnaJ heat shock protein family member B1 (DNAJB1) and the alpha catalytic subunit of protein kinase A (PRKACA). The role of microRNAs (miRNAs) in FLC remains unclear. We identified dysregulated miRNAs in FLC and investigated whether dysregulation of 1 key miRNA contributes to FLC pathogenesis. METHODS We analyzed small RNA sequencing (smRNA-seq) data from The Cancer Genome Atlas to identify dysregulated miRNAs in primary FLC tumors and validated the findings in 3 independent FLC cohorts. smRNA-seq also was performed on a FLC patient-derived xenograft model as well as purified cell populations of the liver to determine whether key miRNA changes were tumor cell-intrinsic. We then used clustered regularly interspaced short palindromic repeats/CRISPR-associated protein 9 (Cas9) technology and transposon-mediated gene transfer in mice to determine if the presence of DNAJB1-PRKACA is sufficient to suppress miR-375 expression. Finally, we established a new FLC cell line and performed colony formation and scratch wound assays to determine the functional consequences of miR-375 overexpression. RESULTS We identified miR-375 as the most dysregulated miRNA in primary FLC tumors (27-fold down-regulation; P = .009). miR-375 expression also was decreased significantly in a FLC patient-derived xenograft model compared to 4 different cell populations of the liver. Introduction of DNAJB1-PRKACA by clustered regularly interspaced short palindromic repeats/CRISPR-associated protein 9 engineering and transposon-mediated somatic gene transfer in mice was sufficient to induce significant loss of miR-375 expression (P < .05). Overexpression of miR-375 in FLC cells inhibited Hippo signaling pathway proteins, including yes-associated protein 1 and connective tissue growth factor, and suppressed cell proliferation and migration (P < .05). CONCLUSIONS We identified miR-375 as the most down-regulated miRNA in FLC tumors and showed that overexpression of miR-375 mitigated tumor cell growth and invasive potential. These findings open a potentially new molecular therapeutic approach. Further studies are necessary to determine how DNAJB1-PRKACA suppresses miR-375 expression and whether miR-375 has additional important targets in this tumor. Transcript profiling: GEO accession numbers: GSE114974 and GSE125602.
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Affiliation(s)
- Timothy A Dinh
- Curriculum in Genetics and Molecular Biology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Mark L Jewell
- Department of Medicine, School of Medicine, Duke University, Durham, North Carolina
| | - Matt Kanke
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Adam Francisco
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Ramja Sritharan
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Rigney E Turnham
- Department of Pharmacology, School of Medicine, University of Washington, Seattle, Washington
| | - Seona Lee
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York
| | - Edward R Kastenhuber
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Eliane Wauthier
- Department of Cell Biology and Physiology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Cynthia D Guy
- Department of Pathology, School of Medicine, Duke University, Durham, North Carolina
| | - Raymond S Yeung
- Department of Surgery, University of Washington, Seattle, Washington
| | - Scott W Lowe
- Cancer Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center, New York, New York
| | - Lola M Reid
- Department of Cell Biology and Physiology, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - John D Scott
- Department of Pharmacology, School of Medicine, University of Washington, Seattle, Washington
| | - Anna M Diehl
- Department of Medicine, School of Medicine, Duke University, Durham, North Carolina.
| | - Praveen Sethupathy
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York.
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Mousavi MJ, Jamshidi A, Chopra A, Aslani S, Akhlaghi M, Mahmoudi M. Implications of the noncoding RNAs in rheumatoid arthritis pathogenesis. J Cell Physiol 2018; 234:335-347. [DOI: 10.1002/jcp.26911] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Accepted: 06/13/2018] [Indexed: 12/26/2022]
Affiliation(s)
- Mohammad Javad Mousavi
- Rheumatology Research Center, Tehran University of Medical Sciences Tehran Iran
- Department of Hematology Faculty of Allied Medicine, Bushehr University of Medical Sciences Bushehr Iran
- Department of Immunology School of Medicine, Tehran University of Medical Sciences Tehran Iran
| | - Ahmadreza Jamshidi
- Rheumatology Research Center, Tehran University of Medical Sciences Tehran Iran
| | - Arvind Chopra
- Centre for Rheumatic Diseases Pune Maharashtra India
| | - Saeed Aslani
- Rheumatology Research Center, Tehran University of Medical Sciences Tehran Iran
| | - Massoomeh Akhlaghi
- Rheumatology Research Center, Tehran University of Medical Sciences Tehran Iran
| | - Mahdi Mahmoudi
- Rheumatology Research Center, Tehran University of Medical Sciences Tehran Iran
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The Effects of MicroRNAs on Key Signalling Pathways and Epigenetic Modification in Fibroblast-Like Synoviocytes of Rheumatoid Arthritis. Mediators Inflamm 2018; 2018:9013124. [PMID: 29861659 PMCID: PMC5971246 DOI: 10.1155/2018/9013124] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Revised: 02/03/2018] [Accepted: 04/08/2018] [Indexed: 01/08/2023] Open
Abstract
MicroRNAs (miRNAs) are small noncoding RNAs that regulate gene expression at the posttranscriptional level via direct binding to the 3′-untranslated region (UTR) of target mRNAs. Emerging evidence shows that miRNAs play crucial roles in controlling and modulating immune system-related diseases. This review focuses on the role played by miRNAs in fibroblast-like synoviocytes (FLS), which is a key cellular component within synovia, during the establishment and maintenance of rheumatoid arthritis (RA), a systemic inflammatory autoimmune disease. It also provides an overview and classification of known functional miRNAs in RA FLS and summarizes the potential uses of these small molecules in RA diagnosis and treatment.
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Miao C, Yu H, Chang J, Zhang G, Zhou G, Zhao C. miR-148b-3p affects the pathogenesis of adjuvant-induced arthritis rats through the direct target DNMT1. Autoimmunity 2018; 51:43-52. [DOI: 10.1080/08916934.2018.1442441] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Chenggui Miao
- Department of Pharmacy, School of Food and Drug, Anhui Science and Technology University, Fengyang, China
| | - Hao Yu
- Department of Pharmacy, School of Food and Drug, Anhui Science and Technology University, Fengyang, China
| | - Jun Chang
- Department of Orthopaedics, 4th Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Guoxue Zhang
- State Key Laboratory of Tea Biology and Resource Utilization, College of Tea and Food Science and Technology, Anhui Agricultural University, Hefei, China
| | - Guoliang Zhou
- Department of Pharmacy, School of Food and Drug, Anhui Science and Technology University, Fengyang, China
| | - Chuanlei Zhao
- Department of Pharmacy, School of Food and Drug, Anhui Science and Technology University, Fengyang, China
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35
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Epigenetic aspects of rheumatoid arthritis: contribution of non-coding RNAs. Semin Arthritis Rheum 2017; 46:724-731. [DOI: 10.1016/j.semarthrit.2017.01.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 11/20/2016] [Accepted: 01/13/2017] [Indexed: 01/07/2023]
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36
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Sun Y, Franklin AM, Mauerhan DR, Hanley EN. Biological Effects of Phosphocitrate on Osteoarthritic Articular Chondrocytes. Open Rheumatol J 2017; 11:62-74. [PMID: 28659999 PMCID: PMC5470061 DOI: 10.2174/1874312901711010062] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2017] [Revised: 03/06/2017] [Accepted: 04/08/2017] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Phosphocitrate (PC) inhibits osteoarthritis (OA) in Hartley guinea pigs. However, the underlying molecular mechanisms remain poorly understood. OBJECTIVE This study sought to examine the biological effect of PC on OA chondrocytes and test the hypothesis that PC may exert its OA disease modifying effect, in part, by inhibiting the expression of genes implicated in OA disease process and stimulating the production of extracellular matrices. METHOD OA chondrocytes were cultured in the absence or presence of PC. Total RNA was extracted and subjected to microarray analyses. The effect of PC on proliferation and chondrocyte-mediated calcification were examined in monolayer culture. The effect of PC on the production of extracellular matrices was examined in micromass culture. RESULTS PC downregulated the expression of numerous genes classified in proliferation and apoptosis while upregulating the expression of many genes classified in transforming growth factor-β (TGF-β) receptor signaling pathway and ossification. PC also downregulated the expressions of many genes classified in inflammatory response and Wnt receptor signaling pathways. Consistent with its effect on the expression of genes classified in proliferation, ossification, and skeletal development, PC inhibited the proliferation of OA chondrocytes and chondrocyte-mediated calcification while stimulating the production of extracellular matrices. CONCLUSION PC may exert its OA disease modifying effect, in part, through a crystal-independent mechanism or by inhibiting the expressions of many genes implicated in OA disease process, and at the same time, stimulating the expression of genes implicated in chondroprotection and production of extracellular matrices.
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Affiliation(s)
- Yubo Sun
- Department of Orthopedic Surgery, Cannon Research, Carolinas Medical Center, PO Box 32861, Charlotte, NC 28232, USA
| | - Atiya M Franklin
- Department of Orthopedic Surgery, Cannon Research, Carolinas Medical Center, PO Box 32861, Charlotte, NC 28232, USA
| | - David R Mauerhan
- Department of Orthopedic Surgery, Cannon Research, Carolinas Medical Center, PO Box 32861, Charlotte, NC 28232, USA
| | - Edward N Hanley
- Department of Orthopedic Surgery, Cannon Research, Carolinas Medical Center, PO Box 32861, Charlotte, NC 28232, USA
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Fishbein L, Leshchiner I, Walter V, Danilova L, Robertson AG, Johnson AR, Lichtenberg TM, Murray BA, Ghayee HK, Else T, Ling S, Jefferys SR, de Cubas AA, Wenz B, Korpershoek E, Amelio AL, Makowski L, Rathmell WK, Gimenez-Roqueplo AP, Giordano TJ, Asa SL, Tischler AS, Pacak K, Nathanson KL, Wilkerson MD. Comprehensive Molecular Characterization of Pheochromocytoma and Paraganglioma. Cancer Cell 2017; 31:181-193. [PMID: 28162975 PMCID: PMC5643159 DOI: 10.1016/j.ccell.2017.01.001] [Citation(s) in RCA: 475] [Impact Index Per Article: 67.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 10/07/2016] [Accepted: 01/04/2017] [Indexed: 12/17/2022]
Abstract
We report a comprehensive molecular characterization of pheochromocytomas and paragangliomas (PCCs/PGLs), a rare tumor type. Multi-platform integration revealed that PCCs/PGLs are driven by diverse alterations affecting multiple genes and pathways. Pathogenic germline mutations occurred in eight PCC/PGL susceptibility genes. We identified CSDE1 as a somatically mutated driver gene, complementing four known drivers (HRAS, RET, EPAS1, and NF1). We also discovered fusion genes in PCCs/PGLs, involving MAML3, BRAF, NGFR, and NF1. Integrated analysis classified PCCs/PGLs into four molecularly defined groups: a kinase signaling subtype, a pseudohypoxia subtype, a Wnt-altered subtype, driven by MAML3 and CSDE1, and a cortical admixture subtype. Correlates of metastatic PCCs/PGLs included the MAML3 fusion gene. This integrated molecular characterization provides a comprehensive foundation for developing PCC/PGL precision medicine.
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Affiliation(s)
- Lauren Fishbein
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ignaty Leshchiner
- The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02142, USA
| | - Vonn Walter
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Ludmila Danilova
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins University, Baltimore, MD 21287, USA
| | - A Gordon Robertson
- Canada's Michael Smith Genome Sciences Centre, BC Cancer Agency, Vancouver, BC V5Z 4S6, Canada
| | - Amy R Johnson
- Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Tara M Lichtenberg
- The Research Institute at Nationwide Children's Hospital, Columbus, OH 43205, USA
| | - Bradley A Murray
- The Eli and Edythe L. Broad Institute of Massachusetts Institute of Technology and Harvard University, Cambridge, MA 02142, USA
| | - Hans K Ghayee
- Division of Endocrinology & Metabolism, Department of Medicine, University of Florida College of Medicine & Malcom Randall VA Medical Center, Gainesville, FL 32608, USA
| | - Tobias Else
- Division of Metabolism, Endocrinology, & Diabetes, Department of Internal Medicine, University of Michigan Health System, Ann Arbor, MI 48109, USA
| | - Shiyun Ling
- University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Stuart R Jefferys
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Aguirre A de Cubas
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Division of Hematology and Oncology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Brandon Wenz
- Division of Translational Medicine and Human Genetics, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Esther Korpershoek
- Department of Pathology, Erasmus MC University Medical Center Rotterdam, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands
| | - Antonio L Amelio
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Liza Makowski
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - W Kimryn Rathmell
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Division of Hematology and Oncology, Department of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | | | - Thomas J Giordano
- Department of Pathology, University of Michigan Health System, Ann Arbor, MI 48109, USA
| | - Sylvia L Asa
- Department of Pathology, University Health Network, Toronto, ON M5G 2C4, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5G 2C4, Canada
| | - Arthur S Tischler
- Department of Pathology and Laboratory Medicine, Tufts Medical Center, Boston, MA 02111, USA
| | | | - Karel Pacak
- Section on Medical Neuroendocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD 20892, USA.
| | - Katherine L Nathanson
- Division of Translational Medicine and Human Genetics, Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA; Abramson Cancer Center, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104, USA.
| | - Matthew D Wilkerson
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA; Department of Genetics, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
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Sun T, Li CT, Xiong L, Ning Z, Leung F, Peng S, Lu WW. miR-375-3p negatively regulates osteogenesis by targeting and decreasing the expression levels of LRP5 and β-catenin. PLoS One 2017; 12:e0171281. [PMID: 28158288 PMCID: PMC5291413 DOI: 10.1371/journal.pone.0171281] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Accepted: 01/18/2017] [Indexed: 12/18/2022] Open
Abstract
Wnt signaling pathways are essential for bone formation. Previous studies showed that Wnt signaling pathways were regulated by miR-375. Thus, we aim to explore whether miR-375 could affect osteogenesis. In the present study, we investigated the roles of miR-375 and its downstream targets. Firstly, we revealed that miR-375-3p negatively modulated osteogenesis by suppressing positive regulators of osteogenesis and promoting negative regulators of osteogenesis. In addition, the results of TUNEL cell apoptosis assay showed that miR-375-3p induced MC3T3-E1 cell apoptosis. Secondly, miR-375-3p targeted low-density lipoprotein receptor-related protein 5 (LRP5), a co-receptor of the Wnt signaling pathways, and β-catenin as determined by luciferase activity assay, and it decreased the expression levels of LRP5 and β-catenin. Thirdly, the decline of protein levels of β-catenin was determined by immunocytochemistry and immunofluorescence. Finally, silence of LRP5 in osteoblast precursor cells resulted in diminished cell viability and cell proliferation as detected by WST-1-based colorimetric assay. Additionally, all the parameters including the relative bone volume from μCT measurement suggested that LRP5 knockout in mice resulted in a looser and worse-connected trabeculae. The mRNA levels of important negative modulators relating to osteogenesis increased after the functions of LRP5 were blocked in mice. Last but not least, the expression levels of LRP5 increased during the osteogenesis of MC3T3-E1, while the levels of β-catenin decreased in bone tissues from osteoporotic patients with vertebral compression fractures. In conclusion, we revealed miR-375-3p negatively regulated osteogenesis by targeting LRP5 and β-catenin. In addition, loss of functions of LRP5 damaged bone formation in vivo. Clinically, miR-375-3p and its targets might be used as diagnostic biomarkers for osteoporosis and might be also as novel therapeutic agents in osteoporosis treatment. The relevant products of miR-375-3p might be developed into molecular drugs in the future. These molecules could be used in translational medicine.
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Affiliation(s)
- Tianhao Sun
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
- Department of Spine Surgery, Shenzhen People's Hospital, Jinan University Second College of Medicine, Shenzhen, China
| | - Chen-Tian Li
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Lifeng Xiong
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Ziyu Ning
- Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Frankie Leung
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Songlin Peng
- Department of Spine Surgery, Shenzhen People's Hospital, Jinan University Second College of Medicine, Shenzhen, China
| | - William W. Lu
- Department of Orthopaedics and Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
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Suryawanshi A, Tadagavadi RK, Swafford D, Manicassamy S. Modulation of Inflammatory Responses by Wnt/β-Catenin Signaling in Dendritic Cells: A Novel Immunotherapy Target for Autoimmunity and Cancer. Front Immunol 2016; 7:460. [PMID: 27833613 PMCID: PMC5081350 DOI: 10.3389/fimmu.2016.00460] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 10/12/2016] [Indexed: 12/02/2022] Open
Abstract
The Wnt/β-catenin pathway is an evolutionarily conserved signaling pathway critical for several biological processes. An aberrant Wnt/β-catenin signaling is linked to several human diseases. Emerging studies have highlighted the regulatory role of the Wnt/β-catenin signaling pathway in normal physiological processes of parenchymal and hematopoietic cells. Recent studies have shown that the activation of Wnt/β-catenin pathway in dendritic cells (DCs) play a critical role in mucosal tolerance and suppression of chronic autoimmune pathologies. Alternatively, tumors activate Wnt/β-catenin pathway in DCs to induce immune tolerance and thereby evade antitumor immunity through suppression of effector T cell responses and promotion of regulatory T cell responses. Here, we review our work and current understanding of how Wnt/β-catenin signaling in DCs shapes the immune response in cancer and autoimmunity and discuss how Wnt/β-catenin pathway can be targeted for successful therapeutic interventions in various human diseases.
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Affiliation(s)
- Amol Suryawanshi
- Cancer Immunology, Inflammation, and Tolerance Program, Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | | | - Daniel Swafford
- Cancer Immunology, Inflammation, and Tolerance Program, Georgia Cancer Center, Augusta University, Augusta, GA, USA
| | - Santhakumar Manicassamy
- Cancer Immunology, Inflammation, and Tolerance Program, Georgia Cancer Center, Augusta University, Augusta, GA, USA
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Xu L, Wen T, Liu Z, Xu F, Yang L, Liu J, Feng G, An G. MicroRNA-375 suppresses human colorectal cancer metastasis by targeting Frizzled 8. Oncotarget 2016; 7:40644-40656. [PMID: 27276676 PMCID: PMC5130033 DOI: 10.18632/oncotarget.9811] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2015] [Accepted: 05/17/2016] [Indexed: 01/01/2023] Open
Abstract
microRNAs are aberrantly expressed during the development and progression of a variety of human cancers, including colorectal cancer (CRC). Of these microRNAs, microRNA-375 (miR-375) was previously observed to be downregulated in human colorectal cancer(CRC) plasma and tissues, but its functions are largely unknown. Here, we investigated the impact of miR-375 on CRC metastasis. Specifically, miR-375 expression was significantly decreased in human CRC tissues compared with their matched noncancerous tissues (NCTs), and low levels of miR-375 predicted tumor metastatic potential. The up-regulation of miR-375 suppressed colorectal cancer cell migration and invasion in vitro and reduced tumor metastases in murine models established by both orthotopic implantation and spleen injection. Furthermore, we identified Frizzled 8 (FZD8) as a direct target of miR-375 in CRC, and miR-375 negatively regulated Wnt/β-catenin signaling by suppressing FZD8. More importantly, FZD8 expression inversely correlated with overall survival in human CRC patients and is a likely independent predictor of survival. Therefore, we concluded that miR-375 functions as a tumor-suppressive microRNA by directly acting upon FZD8, which may serve as a new therapeutic target to inhibit tumor metastasis in CRC.
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Affiliation(s)
- Lingling Xu
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Tao Wen
- Medical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Zhe Liu
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Feng Xu
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Lei Yang
- Medical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Jian Liu
- Medical Research Center, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Guosheng Feng
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Guangyu An
- Department of Oncology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
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Emerging Role and Therapeutic Implication of Wnt Signaling Pathways in Autoimmune Diseases. J Immunol Res 2016; 2016:9392132. [PMID: 27110577 PMCID: PMC4826689 DOI: 10.1155/2016/9392132] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 03/05/2016] [Accepted: 03/09/2016] [Indexed: 12/13/2022] Open
Abstract
The Wnt signaling pathway plays a key role in many biological aspects, such as cellular proliferation, tissue regeneration, embryonic development, and other systemic effects. Under a physiological condition, it is tightly controlled at different layers and arrays, and a dysregulated activation of this signaling has been implicated into the pathogenesis of various human disorders, including autoimmune diseases. Despite the fact that therapeutic interventions are available for ameliorating disease manifestations, there is no curative therapy currently available for autoimmune disorders. Increasing lines of evidence have suggested a crucial role of Wnt signaling during the pathogenesis of many autoimmune diseases; in addition, some of microRNAs (miRNAs), a class of small, noncoding RNA molecules capable of transcriptionally regulating gene expression, have also recently been demonstrated to possess both physiological and pathological roles in autoimmune diseases by regulating the Wnt signaling pathway. This review summarizes currently our understanding of the pathogenic roles of Wnt signaling in several major autoimmune disorders and miRNAs, those targeting Wnt signaling in autoimmune diseases, with a focus on the implication of the Wnt signaling as potential biomarkers and therapeutic targets in immune diseases, as well as miRNA-mediated regulation of Wnt signaling activation in the development of autoimmune diseases.
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Lü S, Wang Q, Li G, Sun S, Guo Y, Kuang H. The treatment of rheumatoid arthritis using Chinese medicinal plants: From pharmacology to potential molecular mechanisms. JOURNAL OF ETHNOPHARMACOLOGY 2015; 176:177-206. [PMID: 26471289 DOI: 10.1016/j.jep.2015.10.010] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Revised: 10/02/2015] [Accepted: 10/03/2015] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Rheumatoid arthritis (RA) is a common worldwide public health problem. Traditional Chinese Medicine (TCM) achieved some results to some extent in the treatment of rheumatoid arthritis (RA). Especially in China, TCM formulas are used in the clinic because of their advantages. Some of these TCM formulas have been used for thousands of years in ancient China, they pays much attention to strengthening healthy qi, cleaning heat, and wet, activating blood, etc. So TCM in anti-RA drug is considered as a simple and effective method. In addition, TCM are also traditionally used as extracts and many Chinese herbs which are considered to be effective for RA. With the advancement of technologies and research methods, researchers have devoted themselves to exploring new therapeutic materials from troves of TCM. The components of TCM are identified and purified, which include alkaloids, coumarins, flavonoids, saponins and so on. However, little or no review works are found in the research literature on the anti-RA drugs from TCM. The present review aims to provide systematically reorganized information on the ethnopharmacology, phytochemistry and pharmacology of TCM used traditionally against RA. The information recorded in this review will provide new directions for researchers in the future. MATERIALS AND METHODS Relevant scientific literatures were collected from Chinese traditional books and Chinese Pharmacopoeia. Several important pharmacology data, clinical observations, animal experiments on effects of anti-RA drugs from TCM and their mechanisms were extracted from a library and electric search (Pubmed, PubChem Compound, Science Direct, Spring Link, Elsevier, Web of Science, CNKI, Wan Fang, Bai du, The Plant List, etc.). We collected information published between 2002 and 2015 on Chinese medicine in the treatment of RA. Information was also acquired from local classic herbal literature, conference papers, government reports, and PhD and MSc dissertations. RESULTS This review mainly introduces the current research on anti-RA TCM formulas, extracts and compounds from TCM, pharmacological data and potential mechanisms (inhibit osteoclast proliferation, suppress fibroblast-like synoviocytes (FLSs) growth, decrease the expression of inflammatory cytokines, blocking signal pathways, etc.). CONCLUSIONS TCM, as a multi-component and multi-target approach, which is a perfect match with the holistic concept of systems biology, is applicable in the treatment of RA. The synergistic connections of Chinese herbs and mechanisms of related active compounds on RA increase the trust for TCM. TCM as alternative remedies for RA not only has an important position in the world market, but also has an irreplaceable role in the treatment of RA in future.
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Affiliation(s)
- Shaowa Lü
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
| | - Qiushi Wang
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
| | - Guoyu Li
- College of Pharmacy, Harbin Medical University, Harbin 150040, China
| | - Shuang Sun
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Yuyan Guo
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China
| | - Haixue Kuang
- Key Laboratory of Ministry of Education, Department of Pharmacology, Heilongjiang University of Chinese Medicine, Harbin 150040, China.
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Abstract
Epigenetic abnormalities are part of the pathogenetic alterations involved in the development of rheumatic disorders. In this context, the main musculoskeletal cell lineages, which are generated from the pool of mesenchymal stromal cells (MSCs), and the immune cells that participate in rheumatic diseases are deregulated. In this Review, we focus on microRNA (miRNA)-mediated regulatory pathways that control cell proliferation, drive the production of proinflammatory mediators and modulate bone remodelling. The main studies that identify miRNAs as regulators of immune cell fate, MSC differentiation and immunomodulatory properties - parameters that are altered in rheumatoid arthritis (RA) and osteoarthritis (OA) - are also discussed, with emphasis on the importance of miRNAs in the regulation of cellular machinery, extracellular matrix remodelling and cytokine release. A deeper understanding of the involvement of miRNAs in rheumatic diseases is needed before these regulatory pathways can be explored as therapeutic approaches for patients with RA or OA.
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