miR-431-5p regulates cell proliferation and apoptosis in fibroblast-like synoviocytes in rheumatoid arthritis by targeting XIAP
BACKGROUND: miR-431-5p is dysregulated in various cancers and plays an important function in the development of cancer. However, its role in fibroblast-like synoviocytes (FLSs) in patients with rheumatoid arthritis (RA) remains to be understood.
METHODS: Quantitative real-time polymerase chain reaction was used to detect the relative expression of miR-431-5p in synovial tissues and FLSs. Cell proliferation assays helped examine RA FLS proliferation. Flow cytometry was performed to determine apoptosis and cell cycle progression in RA FLSs. We used dual-luciferase assays to determine the correlation between miR-431-5p and its putative target, X-linked inhibitor of apoptosis (XIAP). Quantitative real-time PCR and western blotting were used to measure XIAP levels in synovial tissues and transfected RA FLSs.
RESULTS: miR-431-5p was downregulated in synovial tissues and FLSs of patients with RA. Upregulation of miR-431-5p prohibited cell proliferation and the G0/G1-to-S phase transition but promoted apoptosis in RA FLSs, while miR-431-5p inhibition showed the opposite results. miR-431-5p directly targeted XIAP in RA FLSs and reversely correlated with XIAP levels in synovial tissues. Notably, XIAP silencing partially restored the effects of miR-431-5p inhibition in RA FLSs.
CONCLUSION: miR-431-5p regulates cell proliferation, apoptosis, and cell cycle of RA FLSs by targeting XIAP, suggesting its potential in the treatment of RA.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:22 |
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| Enthalten in: |
Arthritis research & therapy - 22(2020), 1 vom: 06. Okt., Seite 231 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wang, Yuejiao [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 21.06.2021 Date Revised 31.05.2022 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s13075-020-02328-3 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM315938315 |
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| 100 | 1 | |a Wang, Yuejiao |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a miR-431-5p regulates cell proliferation and apoptosis in fibroblast-like synoviocytes in rheumatoid arthritis by targeting XIAP |
| 264 | 1 | |c 2020 | |
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| 500 | |a Date Completed 21.06.2021 | ||
| 500 | |a Date Revised 31.05.2022 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: miR-431-5p is dysregulated in various cancers and plays an important function in the development of cancer. However, its role in fibroblast-like synoviocytes (FLSs) in patients with rheumatoid arthritis (RA) remains to be understood | ||
| 520 | |a METHODS: Quantitative real-time polymerase chain reaction was used to detect the relative expression of miR-431-5p in synovial tissues and FLSs. Cell proliferation assays helped examine RA FLS proliferation. Flow cytometry was performed to determine apoptosis and cell cycle progression in RA FLSs. We used dual-luciferase assays to determine the correlation between miR-431-5p and its putative target, X-linked inhibitor of apoptosis (XIAP). Quantitative real-time PCR and western blotting were used to measure XIAP levels in synovial tissues and transfected RA FLSs | ||
| 520 | |a RESULTS: miR-431-5p was downregulated in synovial tissues and FLSs of patients with RA. Upregulation of miR-431-5p prohibited cell proliferation and the G0/G1-to-S phase transition but promoted apoptosis in RA FLSs, while miR-431-5p inhibition showed the opposite results. miR-431-5p directly targeted XIAP in RA FLSs and reversely correlated with XIAP levels in synovial tissues. Notably, XIAP silencing partially restored the effects of miR-431-5p inhibition in RA FLSs | ||
| 520 | |a CONCLUSION: miR-431-5p regulates cell proliferation, apoptosis, and cell cycle of RA FLSs by targeting XIAP, suggesting its potential in the treatment of RA | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Apoptosis | |
| 650 | 4 | |a Proliferation | |
| 650 | 4 | |a Rheumatoid arthritis | |
| 650 | 4 | |a Synoviocytes | |
| 650 | 4 | |a XIAP | |
| 650 | 4 | |a miR-431-5p | |
| 650 | 7 | |a MIRN431 microRNA, human |2 NLM | |
| 650 | 7 | |a MicroRNAs |2 NLM | |
| 650 | 7 | |a X-Linked Inhibitor of Apoptosis Protein |2 NLM | |
| 650 | 7 | |a XIAP protein, human |2 NLM | |
| 700 | 1 | |a Zhang, Kailin |e verfasserin |4 aut | |
| 700 | 1 | |a Yuan, Xiaowei |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Neili |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Shuai |e verfasserin |4 aut | |
| 700 | 1 | |a Hou, Linxin |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Lili |e verfasserin |4 aut | |
| 700 | 1 | |a Zhang, Ning |e verfasserin |4 aut | |
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