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논문 기본 정보

자료유형
학술저널
저자정보
Wu Long-Fei (Medical College of Soochow University) Zhang Qin (the First Affiliated Hospital of Soochow University) Mo Xing-Bo (Medical College of Soochow University) Lin Jun (the First Affiliated Hospital of Soochow University) Wu Yang-Lin (the First Affiliated Hospital of Soochow University) Lu Xin (Medical College of Soochow University) He Pei (Medical College of Soochow University) Wu Jian (the First Affiliated Hospital of Soochow University) Guo Yu-Fan (the First Affiliated Hospital of Soochow University) Wang Ming-Jun (the First Affiliated Hospital of Soochow University) Ren Wen-Yan (Medical College of Soochow University) Deng Hong-Wen (Department of Global Biostatistics and Data Science) Lei Shu-Feng (Medical College of Soochow University) Deng Fei-Yan (Medical College of Soochow University)
저널정보
대한생화학·분자생물학회 Experimental and Molecular Medicine Experimental and Molecular Medicine 제54권
발행연도
2022.3
수록면
1 - 12 (12page)
DOI
10.1038/s12276-022-00751-x

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Rheumatoid arthritis (RA) is an autoimmune disease characterized by infiltration of immune cells in the synovium. However, the crosstalk of immune cells and synovial fibroblasts is still largely unknown. Here, global miRNA screening in plasma exosomes was carried out with a custom microarray (RA patients vs. healthy controls?=?9:9). A total of 14 exosomal miRNAs were abnormally expressed in the RA patients. Then, downregulated expression of exosomal miR-204-5p was confirmed in both the replication (RA patients vs. healthy controls?=?30:30) and validation groups (RA patients vs. healthy controls?=?56:60). Similar to the findings obtained in humans, a decreased abundance of exosomal miR-204-5p was observed in mice with collagen-induced arthritis (CIA). Furthermore, Spearman correlation analysis indicated that plasma exosomal miR-204-5p expression was inversely correlated with disease parameters of RA patients, such as rheumatoid factor, erythrocyte sedimentation rate, and C-reactive protein. In vitro, our data showed that human T lymphocytes released exosomes containing large amounts of miR-204-5p, which can be transferred into synovial fibroblasts, inhibiting cell proliferation. Overexpression of miR-204-5p in synovial fibroblasts suppressed synovial fibroblast activation by targeting genes related to cell proliferation and invasion. In vivo assays found that administration of lentiviruses expressing miR-204-5p markedly alleviated the disease progression of the mice with CIA. Collectively, this study identified a novel RA-associated plasma exosomal miRNA-204-5p that mediates the communication between immune cells and synovial fibroblasts and can be used as a potential biomarker for RA diagnosis and treatment.

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