The Mechanism of miR-192 in Regulating High Glucose-Induced MCP-1 Expression in Rat Glomerular Mesangial Cells
Copyright© Bentham Science Publishers; For any queries, please email at epubbenthamscience.net..
BACKGROUND: Although the pathogenetic mechanism of Diabetic Kidney Disease (DKD) has not been elucidated, an inflammatory mechanism may be a potential contributor. Monocyte chemotactic protein-1 (MCP-1) is suggested to be implicated in the development of DKD by playing a role in the infiltration of monocyte/macrophage. The aim of this study was to investigate the expression of MCP-1 under high glucose conditions, as well as the effects of microRNA-192 (miR-192) under these conditions, and to study the regulatory mechanism of MCP-1 in DKD.
METHODS: Rat glomerular mesangial cells were cultured in high glucose or isotonic mannitol. The messenger RNA(mRNA) expression of miR-192, miR-200b, miR-200c, E-box-binding homeobox 1 (Zeb1), and MCP-1 was then detected by real-time PCR, and the protein expression of Zeb1 and MCP- 1 was assessed by western blotting. The rat mesangial cells were transfected with an miR-192 inhibitor, NC inhibitor , and transfected with siRNA Zeb1, siNC. The cells were then cultured in high glucose to detect the mRNA expression of miR-192, miR-200b, miR-200c, Zeb1, and MCP-1 using realtime PCR, and Zeb1 and MCP-1 protein expression were determined by western blotting.
RESULTS: MiR-192, miR-200b, miR-200c, and MCP-1 were overexpressed, whereas Zeb1 was downregulated when cultured in high glucose (P < 0.05). After transfection with an miR-192 inhibitor, the expression of miR-192, miR-200b, miR-200c, and MCP-1 was downregulated, whereas Zeb1 was increased, and these differences were statistically significant (P < 0.05). The observed changes in the expression in the NC inhibitor transfection group were similar to that of non-transfected cell lines. Silencing the expression of Zeb1 resulted in a significant increase in the expression of miR-192, miR- 200b, miR-200c, and MCP-1 (P < 0.05). The observed changes in the SiNC transfection group were similar to those of non-transfected cell lines.
CONCLUSIONS: MiR-192 expression was upregulated to increase the expression of inflammatory factor MCP-1 by inhibiting the expression of Zeb1, which was mediated by breaking the regulatory loop of Zeb1 and miR-200b/c in rat mesangial cells cultured in high glucose.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:19 |
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| Enthalten in: |
Endocrine, metabolic & immune disorders drug targets - 19(2019), 7 vom: 27., Seite 1055-1063 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chen, Fenqin [VerfasserIn] |
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| Links: |
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| Themen: |
Ccl2 protein, mouse |
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| Anmerkungen: |
Date Completed 30.03.2020 Date Revised 30.03.2020 published: Print Citation Status MEDLINE |
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| doi: |
10.2174/1871530319666190301154640 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM294515569 |
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| 245 | 1 | 4 | |a The Mechanism of miR-192 in Regulating High Glucose-Induced MCP-1 Expression in Rat Glomerular Mesangial Cells |
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| 500 | |a published: Print | ||
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| 520 | |a Copyright© Bentham Science Publishers; For any queries, please email at epubbenthamscience.net. | ||
| 520 | |a BACKGROUND: Although the pathogenetic mechanism of Diabetic Kidney Disease (DKD) has not been elucidated, an inflammatory mechanism may be a potential contributor. Monocyte chemotactic protein-1 (MCP-1) is suggested to be implicated in the development of DKD by playing a role in the infiltration of monocyte/macrophage. The aim of this study was to investigate the expression of MCP-1 under high glucose conditions, as well as the effects of microRNA-192 (miR-192) under these conditions, and to study the regulatory mechanism of MCP-1 in DKD | ||
| 520 | |a METHODS: Rat glomerular mesangial cells were cultured in high glucose or isotonic mannitol. The messenger RNA(mRNA) expression of miR-192, miR-200b, miR-200c, E-box-binding homeobox 1 (Zeb1), and MCP-1 was then detected by real-time PCR, and the protein expression of Zeb1 and MCP- 1 was assessed by western blotting. The rat mesangial cells were transfected with an miR-192 inhibitor, NC inhibitor , and transfected with siRNA Zeb1, siNC. The cells were then cultured in high glucose to detect the mRNA expression of miR-192, miR-200b, miR-200c, Zeb1, and MCP-1 using realtime PCR, and Zeb1 and MCP-1 protein expression were determined by western blotting | ||
| 520 | |a RESULTS: MiR-192, miR-200b, miR-200c, and MCP-1 were overexpressed, whereas Zeb1 was downregulated when cultured in high glucose (P < 0.05). After transfection with an miR-192 inhibitor, the expression of miR-192, miR-200b, miR-200c, and MCP-1 was downregulated, whereas Zeb1 was increased, and these differences were statistically significant (P < 0.05). The observed changes in the expression in the NC inhibitor transfection group were similar to that of non-transfected cell lines. Silencing the expression of Zeb1 resulted in a significant increase in the expression of miR-192, miR- 200b, miR-200c, and MCP-1 (P < 0.05). The observed changes in the SiNC transfection group were similar to those of non-transfected cell lines | ||
| 520 | |a CONCLUSIONS: MiR-192 expression was upregulated to increase the expression of inflammatory factor MCP-1 by inhibiting the expression of Zeb1, which was mediated by breaking the regulatory loop of Zeb1 and miR-200b/c in rat mesangial cells cultured in high glucose | ||
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Wang, Qiuyue |e verfasserin |4 aut | |
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