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Wang Y, Zhang J, Yang Y, Liu Z, Sun S, Li R, Zhu H, Li T, Zheng J, Li J, Ma L. Circular RNAs in human diseases. MedComm (Beijing) 2024; 5:e699. [PMID: 39239069 PMCID: PMC11374765 DOI: 10.1002/mco2.699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 07/25/2024] [Accepted: 07/30/2024] [Indexed: 09/07/2024] Open
Abstract
Circular RNAs (circRNAs) are a unique class of RNA molecules formed through back-splicing rather than linear splicing. As an emerging field in molecular biology, circRNAs have garnered significant attention due to their distinct structure and potential functional implications. A comprehensive understanding of circRNAs' functions and potential clinical applications remains elusive despite accumulating evidence of their involvement in disease pathogenesis. Recent research highlights their significant roles in various human diseases, but comprehensive reviews on their functions and applications remain scarce. This review provides an in-depth examination of circRNAs, focusing first on their involvement in non-neoplastic diseases such as respiratory, endocrine, metabolic, musculoskeletal, cardiovascular, and renal disorders. We then explore their roles in tumors, with particular emphasis on exosomal circular RNAs, which are crucial for cancer initiation, progression, and resistance to treatment. By detailing their biogenesis, functions, and impact on disease mechanisms, this review underscores the potential of circRNAs as diagnostic biomarkers and therapeutic targets. The review not only enhances our understanding of circRNAs' roles in specific diseases and tumor types but also highlights their potential as novel diagnostic and therapeutic tools, thereby paving the way for future clinical investigations and potential therapeutic interventions.
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Affiliation(s)
- Yuanyong Wang
- Department of Thoracic Surgery Tangdu Hospital Air Force Medical University Xi'an China
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education) The First Department of Thoracic Surgery Peking University Cancer Hospital and Institute Peking University School of Oncology Beijing China
| | - Jin Zhang
- Department of Traditional Chinese Medicine Tangdu Hospital Air Force Medical University Xi'an China
- Key Laboratory of Integrated Traditional Chinese and Western Medicine Tumor Diagnosis and Treatment in Shaanxi Province Xi'an China
| | - Yuchen Yang
- Department of Traditional Chinese Medicine Tangdu Hospital Air Force Medical University Xi'an China
- Key Laboratory of Integrated Traditional Chinese and Western Medicine Tumor Diagnosis and Treatment in Shaanxi Province Xi'an China
| | - Zhuofeng Liu
- Department of Traditional Chinese Medicine The Third Affiliated Hospital of Xi'an Medical University Xi'an China
| | - Sijia Sun
- Department of Traditional Chinese Medicine Tangdu Hospital Air Force Medical University Xi'an China
- Key Laboratory of Integrated Traditional Chinese and Western Medicine Tumor Diagnosis and Treatment in Shaanxi Province Xi'an China
| | - Rui Li
- Department of Epidemiology School of Public Health Air Force Medical University Xi'an China
| | - Hui Zhu
- Department of Anatomy Medical College of Yan'an University Yan'an China
- Institute of Medical Research Northwestern Polytechnical University Xi'an China
| | - Tian Li
- School of Basic Medicine Fourth Military Medical University Xi'an China
| | - Jin Zheng
- Department of Traditional Chinese Medicine Tangdu Hospital Air Force Medical University Xi'an China
- Key Laboratory of Integrated Traditional Chinese and Western Medicine Tumor Diagnosis and Treatment in Shaanxi Province Xi'an China
| | - Jie Li
- Department of Endocrine Xijing 986 Hospital Air Force Medical University Xi'an China
| | - Litian Ma
- Department of Thoracic Surgery Tangdu Hospital Air Force Medical University Xi'an China
- Department of Traditional Chinese Medicine Tangdu Hospital Air Force Medical University Xi'an China
- Key Laboratory of Integrated Traditional Chinese and Western Medicine Tumor Diagnosis and Treatment in Shaanxi Province Xi'an China
- Department of Gastroenterology Tangdu Hospital Air Force Medical University Xi'an China
- School of Medicine Northwest University Xi'an China
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Chen L, Zhou Q, Fang X, Xu Q, Zou Y, Zhang J. Administration of Liposomal-Based Pde3b Gene Therapy Protects Mice Against Collagen-Induced Rheumatoid Arthritis via Modulating Macrophage Polarization. Int J Nanomedicine 2024; 19:4411-4427. [PMID: 38774028 PMCID: PMC11108074 DOI: 10.2147/ijn.s454445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Accepted: 05/09/2024] [Indexed: 05/24/2024] Open
Abstract
Background Rheumatoid arthritis (RA) is a chronic and systemic autoimmune disease characterized by synovial inflammation and joint destruction. Despite progress in RA therapy, it remains difficult to achieve long-term remission in RA patients. Phosphodiesterase 3B (Pde3b) is a member of the phosphohydrolyase family that are involved in many signal transduction pathways. However, its role in RA is yet to be fully addressed. Methods Studies were conducted in arthritic DBA/1 mice, a suitable mouse strain for collagen-induced rheumatoid arthritis (CIA), to dissect the role of Pde3b in RA pathogenesis. Next, RNAi-based therapy with Pde3b siRNA-loaded liposomes was assessed in a CIA model. To study the mechanism involved, we investigated the effect of Pde3b knockdown on macrophage polarization and related signaling pathway. Results We demonstrated that mice with CIA exhibited upregulated Pde3b expression in macrophages. Notably, intravenous administration of liposomes loaded with Pde3b siRNA promoted the macrophage anti-inflammatory program and alleviated CIA in mice, as indicated by the reduced inflammatory response, synoviocyte infiltration, and bone and cartilage erosion. Mechanistic study revealed that depletion of Pde3b increased cAMP levels, by which it enhanced PKA-CREB-C/EBPβ pathway to transcribe the expression of anti-inflammatory program-related genes. Conclusion Our results support that Pde3b is involved in the pathogenesis of RA, and Pde3b siRNA-loaded liposomes might serve as a promising therapeutic approach against RA.
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MESH Headings
- Animals
- Male
- Mice
- Arthritis, Experimental/genetics
- Arthritis, Experimental/prevention & control
- Arthritis, Experimental/therapy
- Arthritis, Rheumatoid/genetics
- Arthritis, Rheumatoid/therapy
- Arthritis, Rheumatoid/chemically induced
- Cyclic Nucleotide Phosphodiesterases, Type 3/genetics
- Cyclic Nucleotide Phosphodiesterases, Type 3/metabolism
- Genetic Therapy
- Liposomes/chemistry
- Liposomes/administration & dosage
- Macrophages/drug effects
- Mice, Inbred DBA
- RNA, Small Interfering/genetics
- RNA, Small Interfering/administration & dosage
- Signal Transduction/drug effects
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Affiliation(s)
- Longmin Chen
- Department of Rheumatology and Immunology, the Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Qing Zhou
- Department of Respiratory and Critical Care Medicine, NHC Key Laboratory of Respiratory Disease, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Xun Fang
- Department of Rheumatology and Immunology, the Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Qianqian Xu
- Department of Respiratory and Critical Care Medicine, NHC Key Laboratory of Respiratory Disease, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Yuan Zou
- Department of Respiratory and Critical Care Medicine, NHC Key Laboratory of Respiratory Disease, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
| | - Jing Zhang
- Department of Respiratory and Critical Care Medicine, NHC Key Laboratory of Respiratory Disease, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People’s Republic of China
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Cai X, Yao Y, Ren F, Zhang S. circTldc1 increases Tldc1 expression by targeting miR-485-5p to promote fibroblast-like synoviocytes proliferation in collagen-induced arthritis. Exp Cell Res 2024; 435:113928. [PMID: 38190869 DOI: 10.1016/j.yexcr.2024.113928] [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: 11/15/2023] [Revised: 01/04/2024] [Accepted: 01/05/2024] [Indexed: 01/10/2024]
Abstract
Abnormalities in the function of fibroblast-like synoviocytes (FLSs) are crucial factors leading to joint damage of rheumatoid arthritis. In recent years, the role of circular RNA (circRNA) in RA has gradually been revealed. However, the functional regulation of FLSs mediated by circRNA and its potential mechanisms remain unclear. In this study, we elucidated the expression profile of circRNA in FLSs, as well as the role and molecular mechanisms of circTldc1. Through sequencing and validation experiments on primary FLSs derived from collagen-induced arthritis (CIA) rats, we found that circTldc1 can promote FLSs proliferation and exacerbate CIA-induced joint damage. The data revealed that circTldc1's parent gene, Tldc1, is homologous to human Tldc1, and circTldc1 is located in the cytoplasm of FLSs, belonging to the exonic circRNA category. The results from bioinformatics analysis, molecular experiments on FLSs (manipulating circTldc1 expression in vitro), and animal experiments (local regulation of circTldc1 expression in vivo) collectively confirmed that circTldc1 promotes Tldc1 expression by targeting miR-485-5p. High expression of Tldc1 further enhances FLSs proliferation and inflammatory responses, thereby worsening joint damage in CIA rats. High expression of circTldc1 and its parent gene Tldc1 may serve as biomarkers for RA. Local regulation of circTldc1 and Tldc1 gene levels in the joint cavity may represent a potential strategy to improve joint damage and inflammation in RA.
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Affiliation(s)
- Xiaoyu Cai
- Department of Pharmacy, Hangzhou First People's Hospital, Hangzhou, 310006, China.
| | - Yao Yao
- Department of Pharmacy, Women's Hospital, Zhejiang University School of Medicine, Hangzhou, 310006, China
| | - Fujia Ren
- Department of Pharmacy, Hangzhou Women's Hospital, Hangzhou, China
| | - Shiwei Zhang
- Department of Anesthesiology, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, China
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Peng Y, Zhang M, Hu J. Non-coding RNAs involved in fibroblast-like synoviocyte functioning in arthritis rheumatoid: From pathogenesis to therapy. Cytokine 2024; 173:156418. [PMID: 37952312 DOI: 10.1016/j.cyto.2023.156418] [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: 10/15/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/14/2023]
Abstract
Rheumatoid arthritis (RA) is a polygenic autoimmune disorder with an uncertain etiology, primarily impacting the joints. Moreover, the disease may manifest beyond articular involvement, leading to extra-articular manifestations. Fibroblast-like synoviocytes (FLS) are cells of mesenchymal origin that possess crucial physiological significance within the synovium, contributing to the synthesis of specific constituents found in the synovial fluid and articular cartilage. Consequently, there has been a growing focus on FLS as a potential therapeutic target in the context of RA. Recent investigations have revealed that non-coding RNAs (ncRNAs) serve as pivotal regulators of FLS function, with their dysregulated expression patterns being detected within FLS populations. NcRNAs, such as microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), assume essential functions as regulators of gene expression at both the post-transcriptional and transcriptional levels, and also serve as guiding molecules for chromatin-modifying complexes. Majority of these ncRNAs contribute to various FLS activities including metastasis, proliferation, and cytokine production. In the current work, we comprehensively review the existing literature on ncRNAs, which play pivotal roles in FLS activity and the pathogenesis of RA. Furthermore, this study provides a comprehensive summary and description of the lncRNA/circRNA-miRNA-mRNA regulatory axes in FLS activity, along with potential implications for the RA development. As well, in the final section, we illustrated that therapeutic agents including herbal medicine, and exosomes by modulating ncRNAs regulate FLS activity.
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Affiliation(s)
- Yuwei Peng
- Rheumatology and Immunology, PingXiangPeople's Hospital, No. 8, Wugongshangzhong Avenue, Anyuan District, PiangXiang City, Jiangxi Province, 337000, China
| | - Meng Zhang
- Rheumatology and Immunology, PingXiangPeople's Hospital, No. 8, Wugongshangzhong Avenue, Anyuan District, PiangXiang City, Jiangxi Province, 337000, China
| | - Jiangkang Hu
- Rheumatology and Immunology, PingXiangPeople's Hospital, No. 8, Wugongshangzhong Avenue, Anyuan District, PiangXiang City, Jiangxi Province, 337000, China.
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Cao G, Li J, Mao Z, Zhang Y. Oxymatrine Alleviates Collagen-Induced Arthritis in Mice by Regulating the Immune Balance of T Cells. Molecules 2023; 28:5879. [PMID: 37570855 PMCID: PMC10420974 DOI: 10.3390/molecules28155879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by systemic immunity and autoimmune disorders. We have previously found that oxymatrine (OMT), a natural alkaloid, can alleviate rheumatoid arthritis without knowing whether OMT can alleviate rheumatoid arthritis through gut microbiota. In this study, we found that OMT can alleviate collagen-induced arthritis in mice and reconstruct the immune balance of Th1/Th2, Treg/Th17, and Tfr/Tfh cells. Colon transcriptome gene enrichment analysis indicated that oxymatrine may alleviate collagen induced arthritis in mice through immune system process pathway. Furthermore, OMT significantly altered the gut microbiota variety, changed the composition of microbial colonies, and reshaped the gut microbiota of collagen-induced arthritis (CIA) mice, which may participate in the regulation of the balance of Th1/Th2, Treg/Th17, and Tfr/Tfh cells to alleviate collagen-induced arthritis in mice.
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Affiliation(s)
| | | | | | - Yanli Zhang
- Department of Pathogen Biology and Immunology, School of Basic Medical Sciences, Ningxia Medical University, Yinchuan 750004, China; (G.C.); (J.L.); (Z.M.)
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