miR-155-5p/Bmal1 Modulates the Senescence and Osteogenic Differentiation of Mouse BMSCs through the Hippo Signaling Pathway
© 2023. The Author(s)..
BACKGROUND: The core clock gene brain and muscle ARNT like-1 (Bmal1) is involved in the regulation of bone tissue aging. However, current studies are mostly limited to the establishment of the association between Bmal1 and bone senescence, without in-depth exploration of its main upstream and downstream regulatory mechanisms.
METHODS: The luciferase reporter assay, RT-qPCR and Western blotting were performed to detect the interaction between miR-155-5p and Bmal1. The effects of miR-155-5p and Bmal1 on the aging and osteogenic differentiation ability of mouse bone marrow mesenchymal stem cells (BMSCs) were investigated by cell counting kit-8 (CCK-8) assay, flow cytometry, β-gal staining, alkaline phosphatase quantitative assay and alizarin red staining in vitro. The potential molecular mechanism was identified by ChIP-Seq, RNA-seq database analysis and immunofluorescence staining.
RESULTS: The expression of Bmal1 declined with age, while the miR-155-5p was increased. miR-155-5p and Bmal1 repressed each other's expression, and miR-155-5p targeted the Bmal1. Besides, miR-155-5p inhibited the proliferation and osteogenic differentiation of BMSCs, promoted cell apoptosis and senescence, inhibited the expression and nuclear translocation of YAP and TAZ. However, Bmal1 facilitated the osteogenic differentiation and suppressed the aging of BMSCs, meanwhile inactivated the Hippo pathway. Moreover, YAP inhibitors abrogated the positive regulation of aging and osteogenic differentiation in BMSCs by miR-155-5p and Bmal1.
CONCLUSION: In mouse BMSCs, miR-155-5p and Bmal1 regulated the aging and osteogenic differentiation ability of BMSCs mainly through the Hippo signaling pathway. Our findings provide new insights for the interventions in bone aging.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:20 |
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| Enthalten in: |
Stem cell reviews and reports - 20(2024), 2 vom: 10. Feb., Seite 554-567 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Zhang, Lanxin [VerfasserIn] |
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| Links: |
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| Themen: |
Bmal1 |
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| Anmerkungen: |
Date Completed 12.02.2024 Date Revised 12.02.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s12015-023-10666-3 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM366407341 |
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| 100 | 1 | |a Zhang, Lanxin |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a miR-155-5p/Bmal1 Modulates the Senescence and Osteogenic Differentiation of Mouse BMSCs through the Hippo Signaling Pathway |
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| 500 | |a Date Revised 12.02.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023. The Author(s). | ||
| 520 | |a BACKGROUND: The core clock gene brain and muscle ARNT like-1 (Bmal1) is involved in the regulation of bone tissue aging. However, current studies are mostly limited to the establishment of the association between Bmal1 and bone senescence, without in-depth exploration of its main upstream and downstream regulatory mechanisms | ||
| 520 | |a METHODS: The luciferase reporter assay, RT-qPCR and Western blotting were performed to detect the interaction between miR-155-5p and Bmal1. The effects of miR-155-5p and Bmal1 on the aging and osteogenic differentiation ability of mouse bone marrow mesenchymal stem cells (BMSCs) were investigated by cell counting kit-8 (CCK-8) assay, flow cytometry, β-gal staining, alkaline phosphatase quantitative assay and alizarin red staining in vitro. The potential molecular mechanism was identified by ChIP-Seq, RNA-seq database analysis and immunofluorescence staining | ||
| 520 | |a RESULTS: The expression of Bmal1 declined with age, while the miR-155-5p was increased. miR-155-5p and Bmal1 repressed each other's expression, and miR-155-5p targeted the Bmal1. Besides, miR-155-5p inhibited the proliferation and osteogenic differentiation of BMSCs, promoted cell apoptosis and senescence, inhibited the expression and nuclear translocation of YAP and TAZ. However, Bmal1 facilitated the osteogenic differentiation and suppressed the aging of BMSCs, meanwhile inactivated the Hippo pathway. Moreover, YAP inhibitors abrogated the positive regulation of aging and osteogenic differentiation in BMSCs by miR-155-5p and Bmal1 | ||
| 520 | |a CONCLUSION: In mouse BMSCs, miR-155-5p and Bmal1 regulated the aging and osteogenic differentiation ability of BMSCs mainly through the Hippo signaling pathway. Our findings provide new insights for the interventions in bone aging | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bmal1 | |
| 650 | 4 | |a Bone Marrow Mesenchymal stem Cells | |
| 650 | 4 | |a Hippo Signaling Pathway | |
| 650 | 4 | |a Osteogenesis | |
| 650 | 4 | |a Senescence | |
| 650 | 4 | |a miR-155-5p | |
| 650 | 7 | |a MicroRNAs |2 NLM | |
| 650 | 7 | |a Mirn155 microRNA, mouse |2 NLM | |
| 650 | 7 | |a Bmal1 protein, mouse |2 NLM | |
| 700 | 1 | |a Zhang, Chengxiaoxue |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Jiawen |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yuhong |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Xiaoyu |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Yuqing |e verfasserin |4 aut | |
| 700 | 1 | |a Zhao, Qing |e verfasserin |4 aut | |
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