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Yu H, Xie Y, Zuo M, Xu J, Jiang L, Liu T, Wang R, Hu D, Cha Z. Mapping theme evolution and identifying hotspots in biomarkers of systemic lupus erythematosus based on global research. Biomark Med 2024. [PMID: 38648095 DOI: 10.2217/bmm-2023-0774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024] Open
Abstract
Objective: To perform a bibliometric analysis in the field of biomarkers for systemic lupus erythematosus. Methods: Publications were from Web of Science. Microsoft Excel, VOSviewer, Science Mapping Analysis software Tool, CiteSpace and Tableau were used for analysis. Results: A total of 1112 publications were identified; 1503 institutions from 69 countries contributed, with the highest outputs from China and Karolinska University Hospital. Petri had a tremendous impact. Academic collaborations were localized. Lupus and Arthritis & Rheumatology were the top two journals in terms of publications and citations. Lymphocyte, autoantibody, type I interferon, genetic polymorphisms and urinary biomarkers have been high-frequency themes. Conclusion: Global collaboration needs to be further strengthened. Immune cell, cytokine and gene-level research as a whole and noninvasive tests are the future trends.
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Affiliation(s)
- Haitao Yu
- Department of Laboratory Medicine, The First Hospital of Lanzhou University, The First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Yafei Xie
- West China School of Medicine/West China Hospital of Sichuan University, Sichuan University, Chengdu, Sichuan, 610041, China
- The First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Meiying Zuo
- The First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Jianguo Xu
- Evidence-Based Medicine Center, School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Lili Jiang
- School of Material Science & Technology, Lanzhou University of Technology, Lanzhou, Gansu, 730050, China
| | - Ting Liu
- Department of Laboratory Medicine, Traditional Chinese Medicine Hospital of Yunyang County, Chongqing, 404500, China
| | - Renmei Wang
- The First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Dexuan Hu
- The First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Zhenglei Cha
- The First Clinical Medical College of Lanzhou University, Lanzhou University, Lanzhou, Gansu, 730000, China
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Li C, Ding L, Wang X, Shu P, Shi X, Zheng Z, Liu J, Zhu J. A RBM47 and IGF2BP1 mediated circular FNDC3B-FNDC3B mRNA imbalance is involved in the malignant processes of osteosarcoma. Cancer Cell Int 2023; 23:334. [PMID: 38129874 PMCID: PMC10740216 DOI: 10.1186/s12935-023-03175-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Circular RNAs (circRNAs) are a class of noncoding RNAs that are involved in the progression of many human cancers. The precise gene locus and the roles of circular RNA from Fibronectin type III domain containing 3B (FNDC3B) in OS and its mechanisms of action have not been fully explored. MATERIALS AND METHODS qRT-qPCR assay was used to determine gene expressions. CCK8 Assay, EdU assay, wound-healing assay, transwell invasion assay and in vivo xenograft assay were used to perform functional investigations. RNA-FISH, immunofluorescence, RIP assay, RNA stability analysis were applied in mechanistic studies. RESULTS We found that circFNDC3B downregulated and FNDC3B mRNA upregulated in OS, and might be potential biomarkers for indicating disease progression and prognosis of OS patients. CircFNDC3B acted as a tumor suppressor gene to restrain OS progression and FNDC3B functioned as an oncogene to promote OS progression in vitro and in vivo. RNA binding protein RNA binding motif protein 47 (RBM47) could bind to the flanking introns of circFNDC3B to facilitate the generation of circFNDC3B, resulting in the reduction of FNDC3B mRNA and the circFNDC3B-FNDC3B mRNA imbalance. CircFNDC3B also inhibited FNDC3B mRNA expression by reducing its stability via competitively binding to Insulin-like growth-factor-2 mRNA binding protein (IGF2BP1). CONCLUSION This study demonstrated that RBM47 and IGF2BP1 mediated circular FNDC3B/FNDC3B mRNA imbalance was involved in the malignant processes of OS.
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Affiliation(s)
- Congya Li
- Precision Medicine Laboratory, Beilun People's Hospital, Beilun Branch of the First Affiliated Hospital, School of Medicine, Zhejiang University, No.1288 of Lushan Road, Beilun District, Ningbo, 315800, Zhejiang, China
- Health Science Center, Ningbo University, Ningbo, 315021, Zhejiang, China
| | - Linchao Ding
- Department of Scientific Research, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, 365 Renmin East Road, Jinhua, 321000, Zhejiang, China
| | - Xuyao Wang
- Precision Medicine Laboratory, Beilun People's Hospital, Beilun Branch of the First Affiliated Hospital, School of Medicine, Zhejiang University, No.1288 of Lushan Road, Beilun District, Ningbo, 315800, Zhejiang, China
| | - Peng Shu
- Precision Medicine Laboratory, Beilun People's Hospital, Beilun Branch of the First Affiliated Hospital, School of Medicine, Zhejiang University, No.1288 of Lushan Road, Beilun District, Ningbo, 315800, Zhejiang, China
| | - Xuchao Shi
- Department of Orthopaedics Surgery, Beilun People's Hospital, Ningbo, Zhejiang, China
| | - Zhijian Zheng
- Department of Medical Oncology, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, 321000, China
| | - Jian Liu
- Precision Medicine Laboratory, Beilun People's Hospital, Beilun Branch of the First Affiliated Hospital, School of Medicine, Zhejiang University, No.1288 of Lushan Road, Beilun District, Ningbo, 315800, Zhejiang, China.
| | - Junlan Zhu
- Precision Medicine Laboratory, Beilun People's Hospital, Beilun Branch of the First Affiliated Hospital, School of Medicine, Zhejiang University, No.1288 of Lushan Road, Beilun District, Ningbo, 315800, Zhejiang, China.
- Health Science Center, Ningbo University, Ningbo, 315021, Zhejiang, China.
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Ma S, Feng G, Li L, Li Z, Zhou X, Zhou Y, Zhang R. Downregulation of circETS1 disrupts Th17/Treg homeostasis by inhibiting FOXP3 transcription: A new potential biomarker in systemic lupus erythematosus. Lupus 2023; 32:1430-1439. [PMID: 37852297 DOI: 10.1177/09612033231207545] [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] [Indexed: 10/20/2023]
Abstract
Systemic lupus erythematosus (SLE) is an autoimmune disease associated with an imbalance of T helper 17 (Th17) to regulatory T cells (Tregs). However, the underlying mechanism remains unclear. Increasing evidence suggests that circular RNAs play a crucial role in SLE. Although circETS1 was discovered 30 years ago, detailed exploration of its functions remains limited. In this study, we measured the expression levels of circETS1 in peripheral blood mononuclear cells (PBMCs) and CD4+ T cells of patients with SLE by quantitative polymerase chain reaction. The impact of circETS1 expression on the Th17/Treg balance and underlying mechanism were evaluated using double-luciferase reporter, gain-/loss-of-function, and rescue assays. Receiver operating characteristic (ROC) curve analysis was conducted to assess the diagnostic value of circETS1. Both circETS1 and FOXP3 expression were downregulated in the PBMCs and CD4+ T cells of patients with SLE (n = 28) compared with those in the cells of healthy controls (n = 20). Mechanistically, we found that circETS1 can bind directly to the microRNA miR-1205, acting as a sponge to upregulate the transcription of FOXP3, thereby maintaining the Th17/Treg balance. Notably, ROC analysis showed that the expression level of circETS1 in PBMCs had an area under the curve of 0.873 (95% confidence interval: 0.771-0.976; p < .001) for diagnosing SLE, with a sensitivity of 80.00% and a specificity of 89.29%. Finally, we found negative correlations between the level of circETS1 in PBMCs and disease severity (according to the Systemic Lupus Erythematosus Disease Activity Index) in patients with SLE (r = -0.7712, 95% CI: -0.8910 to -0.5509; p < .001). The imbalance in Th17/Treg cells in SLE may be attributed, in part, to the circETS1/miR-1205/FOXP3 pathway. CircETS1 has potential to serve as a valuable biomarker for the diagnosis and evaluation of SLE.
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Affiliation(s)
- Sha Ma
- Department of Rheumatology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Guofu Feng
- Department of Disease Control and Prevention, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Li Li
- School of Public Health, Dali University, Dali, China
| | - Zi Li
- Quality Management Department, Yunnan Center for Disease Control and Prevention, Kunming, China
| | - Xiaoyu Zhou
- Department of Disease Control and Prevention, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Yan Zhou
- Department of Nephrology, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
| | - Ruixian Zhang
- Department of Disease Control and Prevention, The First People's Hospital of Yunnan Province, The Affiliated Hospital of Kunming University of Science and Technology, Kunming, China
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Wang Q, Xu B, Zhang Q, Wang H, Chen S, Chen T, Liang S. The role of hsa_circ_0008945 in juvenile-onset systemic lupus erythematosus. BMC Med Genomics 2023; 16:97. [PMID: 37161408 PMCID: PMC10169373 DOI: 10.1186/s12920-023-01524-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 04/23/2023] [Indexed: 05/11/2023] Open
Abstract
BACKGROUND circular RNAs (circRNAs) play a crucial role in many physiological and pathological processes including juvenile-onset systemic lupus erythematosus (JSLE). The aim of this study is to investigate the role of circRNA hsa_circ_0008945 in JSLE and evaluate its significance as diagnosing biomarker. METHODS RT-qPCR was applied to detect the level of circ_0008945 in JSLE and controls. The Spearman correlation test assessed the correlation between circ_0008945 and clinical variables. The receiver operating characteristic (ROC) curve was calculated for evaluating the diagnostic value. Overexpression or knockdown of circ_0008945 in primary peripheral blood mononuclear cells (PBMCs) was performed to further examine its function in apoptosis. RESULTS RT-qPCR revealed that there were significantly higher levels of hsa_circ_0008945 in PMBCs from JSLE patients (p < 0.001) compared to healthy controls. In addition, there were significant associations between hsa_circ_0008945 level and the level of C3, C4, anti-ds DNA, IgG, CRP and ESR (p < 0.05) but not associated with the level of Ig A and Ig M. ROC curve of the circ_0008945 showed that the AUC was 0.790 and it may potentially be used as a novel biomarker for the diagnosis of JSLE. The results showed that overexpression of circ-0008945 increased the apoptosis of PBMCs while knockdown of circ-0008945 by siRNA decreased the apoptosis of PBMCs, supporting that circ-0008945 promoted the apoptosis in PBMCs and contributed to the pathogenesis of JSLE. CONCLUSION The role of circ_0008945 was first investigated in JSLE and proposed herein their possible contribution to the pathogenesis of JSLE. This study provides not only novel insight into the pathological mechanisms but also the potential value as a useful biomarker for JSLE.
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Affiliation(s)
- Qifan Wang
- Department of Pediatrics, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000, Fujian, PR China
| | - Baiye Xu
- Department of Pediatrics, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000, Fujian, PR China.
| | - Qingmei Zhang
- Department of Pediatrics, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000, Fujian, PR China
| | - Haidao Wang
- Department of Pediatrics, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000, Fujian, PR China
| | - Shulian Chen
- Department of Pediatrics, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000, Fujian, PR China
| | - Tingting Chen
- Department of Pediatrics, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000, Fujian, PR China
| | - Shishan Liang
- Department of Pediatrics, The First Hospital of Quanzhou Affiliated to Fujian Medical University, Quanzhou, 362000, Fujian, PR China
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Huang Y, Xue Q, Cheng C, Wang Y, Wang X, Chang J, Miao C. Circular RNA in autoimmune diseases: special emphasis on regulation mechanism in RA and SLE. J Pharm Pharmacol 2023; 75:370-384. [PMID: 36583516 DOI: 10.1093/jpp/rgac096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 11/26/2022] [Indexed: 12/31/2022]
Abstract
BACKGROUND Autoimmune diseases are diseases caused by tissue damage caused by the body's immune response to autoantibodies. Circular RNAs (CircRNAs) are a kind of special endogenous non-coding RNA that play a biological role by regulating gene transcription. METHODS In this work, we searched the PubMed, Web of Science (SCIE), National Science and Technology Library (NSTL), and ScienceDirect Online (SDOL) databases to summarize the impact of circRNAs on autoimmune diseases, especially the results of circRNAs in rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). RESULTS The study on the function of circRNAs and autoimmune diseases further deepened our understanding of the development and pathogenesis of autoimmune diseases. CircRNAs may act as miRNA sponges to regulate biological processes and affect the occurrence and development of autoimmune diseases. CircRNAs are closely related to the pathogenesis of RA and SLE and may become potential biomarkers for the diagnosis and treatment of RA and SLE. CONCLUSION CircRNAs play an important role in the pathogenesis of RA, SLE and other autoimmune diseases, and are expected to provide new biomarkers for the diagnosis and treatment of autoimmune diseases. However, the function and mechanism of circRNAs in autoimmune diseases need more comprehensive research.
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Affiliation(s)
- Yurong Huang
- 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
| | - Chenglong Cheng
- 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
| | - 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, Anhui Medical University, Hefei 230032, China.,Anhui Public Health Clinical Center, Hefei, China
| | - Chenggui Miao
- Department of Pharmacology, School of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, China
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6
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Zheng F, Tan L, Zhang F, Li S, Lai Z, Xu H, Xiong Z, Dai Y. The circRNA-miRNA-mRNA regulatory network in plasma and peripheral blood mononuclear cells and the potential associations with the pathogenesis of systemic lupus erythematosus. Clin Rheumatol 2023:10.1007/s10067-023-06560-5. [PMID: 36862342 DOI: 10.1007/s10067-023-06560-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 02/17/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023]
Abstract
OBJECTIVES This study aimed to explore the possible role of plasma and peripheral blood mononuclear cells (PBMCs) circular RNA (circRNA) in systemic lupus erythematosus (SLE). METHOD Total RNA was extracted from blood plasma samples obtained from 10 patients with SLE and 10 healthy controls and subjected to microarray analysis to define the profile of circRNA expression. The quantitative reverse transcription-polymerase chain reaction (qRT-PCR) amplification was conducted. The overlapped circRNA between PBMCs and plasma was performed, the interactions with microRNAs were predicted, the miRNA target mRNA was predicted, and the GEO database was used. The Gene ontology and pathway analysis was performed. RESULTS One hundred thirty-one upregulated and 314 significantly downregulated circRNAs were identified in the plasma of patients with SLE by the Fold change criteria (≥ 2.0) and P < 0.05. The qRT-PCR results showed that the expression of has-circRNA-102531, has-circRNA-103984, and has-circRNA-104262 was increased in plasma of SLE, and the expression of has-circRNA-102972, has-circRNA-102006, has-circRNA-104313 was decreased in plasma of SLE. Twenty-eight upregulated circRNAs and 119 downregulated circRNAs were overlapped from PBMCs and plasma, and ubiquitination was enriched. Furthermore, the circRNA-miRNA-mRNA network was constructed in SLE after analyzing dataset GSE61635 from GEO. The circRNA-miRNA-mRNA network comprises 54 circRNAs, 41 miRNAs, and 580 mRNAs. In addition, the TNF signaling pathway and the MAPK pathway were enriched from the mRNA of the miRNA target. CONCLUSION We first revealed the differentially expressed circRNAs in plasma and PBMCs, and then the circRNA-miRNA-mRNA network was constructed. The network's circRNAs could be a potential diagnostic biomarker and potentially play an important role in the pathogenesis and development of SLE. Key Points • This study analyzed the circRNAs expression profiles combined with the plasma and PBMCs, which provided a comprehensive overview of circRNAs expression patterns in SLE. • The network of the circRNA-miRNA-mRNA in SLE was constructed, which contributes to a better understanding of the pathogenesis and development of SLE.
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Affiliation(s)
- Fengping Zheng
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong, China
| | - Lishan Tan
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong, China
| | - Fan Zhang
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong, China
| | - Sanmu Li
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong, China
| | - Zhiwei Lai
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong, China
| | - Huixuan Xu
- Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, Guangdong, 518020, People's Republic of China
| | - Zuying Xiong
- Department of Nephrology, Peking University Shenzhen Hospital, Shenzhen Peking University-The Hong Kong University of Science and Technology Medical Center, Shenzhen, Guangdong, China.
| | - Yong Dai
- Clinical Medical Research Center, The Second Clinical Medical College of Jinan University, Shenzhen People's Hospital, Shenzhen, Guangdong, 518020, People's Republic of China.
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7
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Liu J, Zhang C, Jiang M, Ni Y, Xu Y, Wu W, Huang L, Newmaster SG, Kole C, Wu B, Liu C. Identification of circular RNAs of Cannabis sativa L. potentially involved in the biosynthesis of cannabinoids. PLANTA 2023; 257:72. [PMID: 36862222 DOI: 10.1007/s00425-023-04104-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Accepted: 02/21/2023] [Indexed: 06/18/2023]
Abstract
We identified circRNAs in the Cannabis sativa L. genome and examined their association with 28 cannabinoids in three tissues of C. sativa. Nine circRNAs are potentially involved in the biosynthesis of six cannabinoids. Cannabis sativa L. has been widely used in the production of medicine, textiles, and food for over 2500 years. The main bioactive compounds in C. sativa are cannabinoids, which have multiple important pharmacological actions. Circular RNAs (circRNAs) play essential roles in growth and development, stress resistance, and the biosynthesis of secondary metabolites. However, the circRNAs in C. sativa remain unknown. In this study, to explore the role of circRNAs in cannabinoid biosynthesis, we performed RNA-Seq and metabolomics analysis on the leaves, roots, and stems of C. sativa. We identified 741 overlapping circRNAs by three tools, of which 717, 16, and 8 circRNAs were derived from exonic, intronic, and intergenic, respectively. Functional enrichment analysis indicated that the parental genes (PGs) of circRNAs were enriched in many processes related to biological stress responses. We found that most of the circRNAs showed tissue-specific expression and 65 circRNAs were significantly correlated with their PGs (P < 0.05, |r|≥ 0.5). We also determined 28 cannabinoids by High-performance liquid chromatography-ESI-triple quadrupole-linear ion trap mass spectrometry. Ten circRNAs, including ciR0159, ciR0212, ciR0153, ciR0149, ciR0016, ciR0044, ciR0022, ciR0381, ciR0006, and ciR0025 were found to be associated with six cannabinoids by weighted gene co-expression network analysis. Twenty-nine of 53 candidate circRNAs, including 9 cannabinoids related were validated successfully using PCR amplification and Sanger sequencing. Taken together, all these results would help to enhance our acknowledge of the regulation of circRNAs, and lay the foundation for breeding new C. sativa cultivars with high cannabinoids through manipulating circRNAs.
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Affiliation(s)
- Jingting Liu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China
| | - Chang Zhang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China
| | - Mei Jiang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China
| | - Yang Ni
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China
| | - Yicen Xu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China
| | - Wuwei Wu
- Guangxi Botanical Garden of Medicinal Plants, Nanning, 530023, People's Republic of China
| | - Linfang Huang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China
| | - Steven G Newmaster
- Natural Health Product Research Alliance, College of Biological Sciences, University of Guelph, Guelph, ON, N1G2W1, Canada
| | - Chittaranjan Kole
- International Climate Resilient Crop Genomics Consortium and International Phytomedomics and Nutriomics Consortium, Kolkata, 700094, India
| | - Bin Wu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China.
| | - Chang Liu
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, People's Republic of China.
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Abbas AA, Abdulkader HA, Giordo R, Ashour HM, Erre GL, Pintus G, Zayed H. Implications and theragnostic potentials of circular RNAs in rheumatic diseases. Int J Biol Macromol 2023; 235:123783. [PMID: 36822282 DOI: 10.1016/j.ijbiomac.2023.123783] [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: 10/11/2022] [Accepted: 02/16/2023] [Indexed: 02/25/2023]
Abstract
Circular RNAs (circRNAs), a class of non-coding RNAs (ncRNAs), are highly stable and ubiquitous molecules that exhibit tissue-specific expression. Accumulating evidence has shown that aberrant expression of circRNAs can play a role in the pathogenesis of several diseases. Rheumatic diseases are a varied group of autoimmune and inflammatory disorders affecting mainly the musculoskeletal system. Notably, circRNAs, which are essential immune system gene modulators, are strongly linked to the occurrence and progression of autoimmune disorders. Here, we present and discuss the current findings concerning the roles, implications and theragnostic potentials of circRNAs in common rheumatic diseases, including ankylosing spondylitis (AS), osteoarthritis (OA), osteoporosis (OP), rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), Crohn's disease (CD), and gout. This review aims to provide new insights to support the development of novel diagnostic and therapeutic strategies for these disabling diseases.
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Affiliation(s)
- Alaa Ahmed Abbas
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Hadil Adnan Abdulkader
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Roberta Giordo
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, 505055 Dubai, United Arab Emirates
| | - Hossam M Ashour
- Department of Integrative Biology, College of Arts and Sciences, University of South Florida, St. Petersburg, FL 33701, USA
| | - Gian Luca Erre
- Rheumatology Unit, Department of Clinical and Experimental Medicine, University Hospital (AOUSS) and University of Sassari, 07100 Sassari, Italy
| | - Gianfranco Pintus
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43B, 07100 Sassari, Italy; Department of Medical Laboratory Sciences, College of Health Sciences and Sharjah Institute for Medical Research, University of Sharjah, University City Rd, Sharjah 27272, United Arab Emirates.
| | - Hatem Zayed
- Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, P.O. Box 2713, Doha, Qatar.
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Zhang L, Wang X, Zhao W, Liu J. Overview of m 6A and circRNAs in human cancers. J Cancer Res Clin Oncol 2023:10.1007/s00432-023-04610-8. [PMID: 36807759 DOI: 10.1007/s00432-023-04610-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 01/27/2023] [Indexed: 02/21/2023]
Abstract
N6-methyladenosine (m6A), the richest post-transcriptional modification of RNA in eukaryotic cells, is dynamically installed/uninstalled by the RNA methylase complex ("writer") and demethylase ("eraser") and recognized by the m6A-binding protein ("reader"). M6A modification on RNA metabolism involves maturation, nuclear export, translation and splicing, thereby playing a critical role in cellular pathophysiology and disease processes. Circular RNAs (circRNAs) are a class of non-coding RNAs with a covalently closed loop structure. Due to its conserved and stable properties, circRNAs could participate in physiological and pathological processes through unique pathways. Despite the recent discovery of m6A and circRNAs remains in the initial stage, research has shown that m6A modifications are widespread in circRNAs and regulates circRNA metabolism, including biogenesis, cell localization, translation, and degradation. In this review, we describe the functional crosstalk between m6A and circRNAs, and illustrate their roles in cancer development. Moreover, we discuss the potential mechanisms and future research directions of m6A modification and circRNAs.
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Affiliation(s)
- Leyu Zhang
- The School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Xi Wang
- The School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China.
| | - Wei Zhao
- The School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China.
| | - Jingwen Liu
- The School and Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China.
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Afrashteh Nour M, Ghorbaninezhad F, Asadzadeh Z, Baghbanzadeh A, Hassanian H, Leone P, Jafarlou M, Alizadeh N, Racanelli V, Baradaran B. The emerging role of noncoding RNAs in systemic lupus erythematosus: new insights into the master regulators of disease pathogenesis. Ther Adv Chronic Dis 2023; 14:20406223231153572. [PMID: 37035097 PMCID: PMC10074641 DOI: 10.1177/20406223231153572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 01/11/2023] [Indexed: 04/11/2023] Open
Abstract
Auto-immune diseases are a form of chronic disorders in which the immune system destroys the body's cells due to a loss of tolerance to self-antigens. Systemic lupus erythematosus (SLE), identified by the production of autoantibodies in different body parts, is one of the most well-known examples of these diseases. Although the etiology of SLE is unclear, the disease's progression may be affected by genetic and environmental factors. As studies in twins provide adequate evidence for genetic involvement in the SLE, other phenomena such as metallization, histone modifications, and alterations in the expression of noncoding RNAs (ncRNAs) also indicate the involvement of epigenetic factors in this disease. Among all the epigenetic alterations, ncRNAs appear to have the most crucial contribution to the pathogenesis of SLE. The ncRNAs' length and size are divided into three main classes: micro RNAs, long noncoding RNAs (LncRNA), and circular RNAs (circRNAs). Accumulating evidence suggests that dysregulations in these ncRNAs contributed to the pathogenesis of SLE. Hence, clarifying the function of these groups of ncRNAs in the pathophysiology of SLE provides a deeper understanding of the disease. It also opens up new opportunities to develop targeted therapies for this disease.
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Affiliation(s)
- Mina Afrashteh Nour
- Immunology Research Center, Tabriz University
of Medical Sciences, Tabriz, Iran
| | - Farid Ghorbaninezhad
- Immunology Research Center, Tabriz University
of Medical Sciences, Tabriz, Iran
- Department of Immunology, Faculty of Medicine,
Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zahra Asadzadeh
- Immunology Research Center, Tabriz University
of Medical Sciences, Tabriz, Iran
| | - Amir Baghbanzadeh
- Immunology Research Center, Tabriz University
of Medical Sciences, Tabriz, Iran
| | - Hamidreza Hassanian
- Student Research Committee, Tabriz University
of Medical Sciences, Tabriz, Iran
| | - Patrizia Leone
- Department of Interdisciplinary Medicine,
University of Bari ‘Aldo Moro’, Bari, Italy
| | - Mahdi Jafarlou
- Immunology Research Center, Tabriz University
of Medical Sciences, Tabriz, Iran
| | - Nazila Alizadeh
- Immunology Research Center, Tabriz University
of Medical Sciences, Tabriz, Iran
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11
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Hu X, Xia W. Circ_0005714/miR-223-3p/ADAM9 regulatory axis affects proliferation, migration, invasion, and angiopoiesis in trophoblast cells. Autoimmunity 2022; 55:640-649. [PMID: 35880619 DOI: 10.1080/08916934.2022.2101642] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
BACKGROUND Circular RNAs (circRNAs) have critical roles in various types of diseases, including preeclampsia (PE). Circ_0005714 function in PE was explored in this study. METHODS Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was performed for level analysis of circ_0005714, micoRNA-223-3p (miR-223-3p), and a disintegrin and metalloproteinase 9 (ADAM9). Cell Counting Kit-8 (CCK-8) and colony formation assays were used for cell viability and colony formation detection. Cell proliferation was determined by EdU assay. The determination of migration and invasion was conducted by wound healing assay and transwell assay. Tube formation assay was applied to assess angiopoiesis. Target binding analysis was performed by dual-luciferase reporter assay and RNA immunoprecipitation (RIP) assay. Western blot was used for protein examination. RESULTS Circ_0005714 was highly expressed in PE placenta tissues. The expression promotion of circ_0005714 reduced proliferation, migration, invasion, and angiopoiesis in trophoblast cells. Furthermore, circ_0005714 acted as a molecular sponge for miR-223-3p and the effects of circ_0005714 on trophoblast cells were achieved by sponging miR-223-3p. Moreover, miR-223-3p could target ADAM9 and knockdown of ADAM9 reversed cell progression inhibition induced by miR-223-3p inhibitor. In addition, circ_0005714 upregulated the ADAM9 expression and inactivated the Wnt/β-catenin pathway through targeting miR-223-3p. CONCLUSIONS All results manifested that circ_0005714 retarded the progression of PE by mediating the miR-223-3p/ADAM9 signal network.
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Affiliation(s)
- Xuemei Hu
- Department of Obstetrics and Gynecology, Lishui People's Hospital, Lishui City, PR China
| | - Weilan Xia
- Department of Obstetrics and Gynecology, Lishui People's Hospital, Lishui City, PR China
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12
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Wang L, Lu M, Li W, Fan R, Wen S, Xiao W, Lin Y. Significance of circRNAs as biomarkers for systemic lupus erythematosus: a systematic review and meta-analysis. J Int Med Res 2022; 50:3000605221103546. [PMID: 35796516 PMCID: PMC9274425 DOI: 10.1177/03000605221103546] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Objective To comprehensively evaluate the significance of circular RNAs (circRNAs) as
potential diagnostic biomarkers for systemic lupus erythematosus (SLE) via
pooled analyses of data from published studies that focussed on the
association between circRNAs and SLE. Methods The systematic review and meta-analysis protocol was registered in PROSPERO
(registration No. CRD42021229383). Relevant studies published before 3 April
2022 were selected to verify the relationship between circRNA expression
levels and SLE. Extracted data were analysed using a random-effects model
with Meta-DiSc 1.4 and Stata 16 software. Transcription factors related to
hsa_circ_0000479 and its parental gene were extracted from the TRCirc and
hTFtarget databases, respectively. Results A total of 10 studies, involving 438 patients with SLE and 434 controls, were
included in the meta-analysis. The pooled sensitivity, specificity, and
diagnostic odds ratio of circRNAs in detecting SLE were 0.66 (95% confidence
interval [CI] 0.63, 0.70), 0.79 (95% CI 0.76, 0.82), and 10.80 (95% CI 6.58,
17.73), respectively. The area under the summary receiver operating
characteristic curve was 0.8366. Conclusions Meta-analysis of pooled data indicated a moderate accuracy of circRNAs in
diagnosing SLE. The exact diagnostic value of circRNAs and the mechanisms of
interaction between circRNAs and their parental genes should be confirmed in
further studies.
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Affiliation(s)
- Luyuan Wang
- Department of Dermatology and Venerology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.,Department of Dermatology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, Guangxi, China
| | - Mengting Lu
- Department of Dermatology and Venerology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China.,Department of Dermatology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, Guangxi, China
| | - Wenyu Li
- Department of Dermatology and Venerology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Runge Fan
- Department of Dermatology and Venerology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Sijian Wen
- Department of Dermatology and Venerology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
| | - Wen Xiao
- Department of Dermatology, The Fourth Affiliated Hospital of Guangxi Medical University, Liuzhou, Guangxi, China
| | - Youkun Lin
- Department of Dermatology and Venerology, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
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13
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Liu R, Zhang L, Zhao X, Liu J, Chang W, Zhou L, Zhang K. circRNA: Regulatory factors and potential therapeutic targets in inflammatory dermatoses. J Cell Mol Med 2022; 26:4389-4400. [PMID: 35770323 PMCID: PMC9357617 DOI: 10.1111/jcmm.17473] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/10/2022] [Accepted: 06/21/2022] [Indexed: 12/13/2022] Open
Abstract
The skin is the largest organ of the human body and acts as the first line of defence against injury and infection. Skin diseases are among the most common health problems and are associated with a considerable burden that encompasses financial, physical and mental consequences for patients. Exploring the pathogenesis of skin diseases can provide insights into new treatment strategies. Inflammatory dermatoses account for a large proportion of dermatoses and have a great impact on the patients' body and quality of life. Therefore, it is important to study their pathogenesis and explore effective treatment. Circular RNAs (circRNAs) are a special type of RNA molecules that play important regulatory roles in several diseases and are involved in skin pathophysiological processes. This review summarizes the biogenesis, properties and functions of circRNAs as well as their roles in the pathogenesis of inflammatory dermatoses, including psoriasis, lupus erythematosus, atopic dermatitis, lichen planus and severe acne and their potential as therapeutic targets.
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Affiliation(s)
- Ruifeng Liu
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China
| | - Luyao Zhang
- Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
| | - Xincheng Zhao
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China
| | - Jia Liu
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China
| | - Wenjuan Chang
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China
| | - Ling Zhou
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China
| | - Kaiming Zhang
- Shanxi Key Laboratory of Stem Cells for Immunological Dermatosis, Institute of Dermatology, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, China
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14
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Jiang F, Hu X, Cao H, Shen X. Hsa_circ_0000081 promotes the function of gastric cancer through sponging hsa-miR-423-5p to influence 3-phosphoinositide-dependent kinase 1 expression. Bioengineered 2022; 13:8277-8290. [PMID: 35302432 PMCID: PMC9162021 DOI: 10.1080/21655979.2022.2053796] [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] [Indexed: 12/12/2022] Open
Abstract
Gastric cancer (GC) is one of the most common malignancies in the world, and effective therapeutic targets need to be identified for this type of cancer. In this study, circular RNA (circRNA) microarray analysis was utilized to screen differentially expressed circRNA in GC. Using quantitative reverse transcription polymerase chain reaction (qRT-PCR), hsa_circ_0000081 (circRNA-0000081) expression was found to be up-regulated in tissues and cells and was negative correlated with patients' survival time. RNase R and Actinomycin D assays indicated that circRNA-0000081 was significantly more resistant to R enzyme and had a longer half-life than linear RNA. Moreover, the knockdown or overexpression of circRNA-000081 could influence the proliferation, migration, and invasion potential of GC. Finally, dual luciferase reporter, RNA immunoprecipitation, qRT-PCR, and western blotting assays were used to verify the targeting relationship between circRNA-000081 and miRNA-423-5p or miRNA-423-5p and 3-phosphoinositide-dependent kinase 1 (PDPK1). In conclusion, circRNA-0000081 promotes the function of GC through sponging hsa-miR-423-5p to influence PDPK1 expression, which has a promising therapeutic potential for treating patients with GC.
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Affiliation(s)
- Fei Jiang
- Key Laboratory of Environmental Medical Engineering and Education Ministry, Nanjing Public Health College, Southeast University, Nanjing, China.,Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, China
| | - Xueju Hu
- Key Laboratory of Environmental Medical Engineering and Education Ministry, Nanjing Public Health College, Southeast University, Nanjing, China.,Department of Occupational and Environmental Health, School of Public Health, Southeast University, Nanjing, China
| | - Hongyong Cao
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
| | - Xiaobing Shen
- Key Laboratory of Environmental Medical Engineering and Education Ministry, Nanjing Public Health College, Southeast University, Nanjing, China.,Department of Epidemiology and Health Statistics, School of Public Health, Southeast University, Nanjing, China.,Department of Occupational and Environmental Health, School of Public Health, Southeast University, Nanjing, China
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15
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Shu J, Su G, Zhang J, Liu Z, Chang R, Wang Q, Yang P. Analyses of circRNA and mRNA Profiles in Vogt-Koyanagi-Harada Disease. Front Immunol 2022; 12:738760. [PMID: 35003060 PMCID: PMC8727692 DOI: 10.3389/fimmu.2021.738760] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 12/03/2021] [Indexed: 01/26/2023] Open
Abstract
Recent studies revealed that circular RNAs (circRNAs) are important in numerous biological process and involved in autoimmune diseases. However, their role in Vogt-Koyanagi-Harada (VKH) disease, a classical autoimmune disease, is not yet known. This research aimed to study the expression profile of mRNAs, microRNAs (miRNAs) and circRNAs and investigate the influence of circRNAs on the pathogenesis of VKH disease. We identified circRNAs, miRNAs, and mRNAs expression profiles in CD4+ T cells between 4 VKH patients and 3 healthy controls using the whole-transcriptome sequencing (RNA-seq) technique. We discovered that a total of 5088 mRNAs, 451 circRNAs and 433 miRNAs were differently expressed. The GO and KEGG pathway enrichment analyses were performed for significantly differentially expressed circRNAs and mRNAs. GSEA was conducted for all mRNAs. The functional enrichment suggested that the inflammatory response, the adaptive immune response, NF-kappa B signaling pathway, Th17 cell differentiation, Th1 and Th2 cell differentiation and T cell receptor signaling pathway were associated with VKH disease. In addition, based on the immune-related genes we screened, the circRNA-miRNA-mRNA ceRNA network was analyzed and constructed. Ten differently expressed mRNAs (LAT, ZAP70, ITK, ICOS, RASGRP1, PAG1, PLCG1, PRKCQ, LCK, CARD11) and 5 differently expressed circRNAs (hsa_circ_0033144, hsa_circ_0000233, hsa_circ_0000396, hsa_circ_0001924, hsa_circ_0001320) were selected to be validated by Real-time qPCR (RT-qPCR). The results of RT-qPCR turned out to be consistent with RNA-seq data. Further analysis showed that hsa_circ_0001320 and hsa_circ_0001924 may serve as crucial candidate marker genes of VKH disease. These results reveal that circRNAs may have a crucial immunomodulatory function in the pathophysiological process of VKH disease.
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Affiliation(s)
- Jia Shu
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Guannan Su
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Jun Zhang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Zhangluxi Liu
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Rui Chang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Qingfeng Wang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
| | - Peizeng Yang
- The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China
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16
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Dai F, Zhang QB, Tang YP, He YX, Yi T, Qing YF. Expression Profile and Potential Function of Circular RNAs in Peripheral Blood Mononuclear Cells in Male Patients With Primary Gout. Front Genet 2021; 12:728091. [PMID: 34764979 PMCID: PMC8576385 DOI: 10.3389/fgene.2021.728091] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 10/11/2021] [Indexed: 12/27/2022] Open
Abstract
Circular RNAs (circRNAs) are non-coding RNAs (ncRNAs) with a single-stranded covalently closed-loop structure, and their abnormal expression may participate in the pathogenesis of various human diseases. Currently, knowledge of circRNAs in gout is limited. In this case-control study, human circRNA microarrays were used to identify differentially expressed circRNAs in peripheral blood mononuclear cells (PBMCs) from patients with primary gout (n = 5) and healthy controls (HC; n = 3). Bioinformatics methods were used to analyze significantly different circRNAs (fold change >1.5, p < 0.05). In addition, four significantly differentially expressed circRNAs were selected for quantitative real-time polymerase chain reaction to detect expression levels in 90 gout patients and 60 HC. Subsequently, circRNA-miRNA-mRNA network was established to predict the function of circRNAs of interest. Microarray analysis indicated that 238 circRNAs were upregulated and 41 circRNAs were down-regulated in the gout group (fold change >1.5, p < 0.05). Bioinformatics analysis showed that differentially expressed circRNAs were involved in the pathogenesis of gout via various pathways. Moreover, the expression levels of hsa_circRNA_103657 and hsa_circRNA_000241 were significantly higher in the gout group than those in the HC group, and both correlated significantly with lipid metabolism parameters. Furthermore, the area under the curve of hsa_circRNA_103657 was 0.801 (95% confidence interval (CI): 0.730–0.871; p < 0.001). Our results provide novel insights into the pathogenesis of primary gout. Differentially expressed circRNAs were identified in the PBMCs of gout patients, and these differential circRNAs may play important roles in the development and progression of gout.
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Affiliation(s)
- Fei Dai
- Research Center of Hyperuricemia and Gout, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China.,Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China
| | - Quan-Bo Zhang
- Research Center of Hyperuricemia and Gout, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China.,Department of Geriatrics, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China
| | - Yi-Ping Tang
- Research Center of Hyperuricemia and Gout, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China.,Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China
| | - Yi-Xi He
- Research Center of Hyperuricemia and Gout, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China.,Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China
| | - Ting Yi
- Research Center of Hyperuricemia and Gout, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China.,Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China
| | - Yu-Feng Qing
- Research Center of Hyperuricemia and Gout, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China.,Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, North Sichuan Medical College, Nanchong, China
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17
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Yang R, Wang RC. Research Techniques Made Simple: Studying Circular RNA in Skin Diseases. J Invest Dermatol 2021; 141:2313-2319.e1. [PMID: 34560913 PMCID: PMC8480520 DOI: 10.1016/j.jid.2021.07.156] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 07/16/2021] [Accepted: 07/19/2021] [Indexed: 12/13/2022]
Abstract
Circular RNAs (circRNAs) are a unique class of covalently closed, single-stranded RNAs. High-throughput sequencing has uncovered the abundance and complexity of circRNAs. Changes in levels of circRNAs correlate with diverse disease states, including many skin diseases. CircRNAs can function as microRNA inhibitors, protein interactors, or mRNAs. Although circRNAs do have unique topological features, they share many similarities, including primary sequence, with their linear orthologs, so carefully controlled experiments are required to detect and study them. Here, we summarize some protocols used in the identification, validation, and characterization of circRNAs. We also discuss ways to repress and overexpress specific circRNAs to assess potential unique functions for these molecules. These techniques may be useful in exploring how circRNAs contribute to skin disease.
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Affiliation(s)
- Rong Yang
- Department of Dermatology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA
| | - Richard C Wang
- Department of Dermatology, The University of Texas Southwestern Medical Center, Dallas, Texas, USA; Harold C. Simmons Comprehensive Cancer Center, The University of Texas Southwestern Medical Center, Dallas, Texas, USA.
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18
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Wang X, Ma R, Zhang X, Cui L, Ding Y, Shi W, Guo C, Shi Y. Crosstalk between N6-methyladenosine modification and circular RNAs: current understanding and future directions. Mol Cancer 2021; 20:121. [PMID: 34560891 PMCID: PMC8461955 DOI: 10.1186/s12943-021-01415-6] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 08/31/2021] [Indexed: 02/07/2023] Open
Abstract
N6-methyladenosine (m6A) is a prevalent internal modification in eukaryotic RNAs regulated by the so-called "writers", "erasers", and "readers". m6A has been demonstrated to exert critical molecular functions in modulating RNA maturation, localization, translation and metabolism, thus playing an essential role in cellular, developmental, and disease processes. Circular RNAs (circRNAs) are a class of non-coding RNAs with covalently closed single-stranded structures generated by back-splicing. CircRNAs also participate in physiological and pathological processes through unique mechanisms. Despite their discovery several years ago, m6A and circRNAs has drawn increased research interest due to advances in molecular biology techniques these years. Recently, several scholars have investigated the crosstalk between m6A and circRNAs. In this review, we provide an overview of the current knowledge of m6A and circRNAs, as well as summarize the crosstalk between these molecules based on existing research. In addition, we present some suggestions for future research perspectives.
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Affiliation(s)
- Xin Wang
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, 1278 Baode Road, Jing'an District, Shanghai, 200443, China.,Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Rui Ma
- Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xilin Zhang
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, 1278 Baode Road, Jing'an District, Shanghai, 200443, China.,Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Lian Cui
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, 1278 Baode Road, Jing'an District, Shanghai, 200443, China.,Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Yangfeng Ding
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, 1278 Baode Road, Jing'an District, Shanghai, 200443, China.,Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China
| | - Weimin Shi
- Department of Dermatology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chunyuan Guo
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, 1278 Baode Road, Jing'an District, Shanghai, 200443, China. .,Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China.
| | - Yuling Shi
- Department of Dermatology, Shanghai Skin Disease Hospital, Tongji University School of Medicine, 1278 Baode Road, Jing'an District, Shanghai, 200443, China. .,Institute of Psoriasis, Tongji University School of Medicine, Shanghai, China.
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