Interleukin-20 targets podocytes and is upregulated in experimental murine diabetic nephropathy
Experimental & Molecular Medicine
; : e310-2017.
Article
in En
| WPRIM
| ID: wpr-198941
Responsible library:
WPRO
ABSTRACT
Interleukin (IL)-20, a proinflammatory cytokine of the IL-10 family, is involved in acute and chronic renal failure. The aim of this study was to elucidate the role of IL-20 during diabetic nephropathy development. We found that IL-20 and its receptor IL-20R1 were upregulated in the kidneys of mice and rats with STZ-induced diabetes. In vitro, IL-20 induced MMP-9, MCP-1, TGF-β1 and VEGF expression in podocytes. IL-20 was upregulated by hydrogen peroxide, high-dose glucose and TGF-β1. In addition, IL-20 induced apoptosis in podocytes by activating caspase-8. In STZ-induced early diabetic nephropathy, IL-20R1-deficient mice had lower blood glucose and serum BUN levels and a smaller glomerular area than did wild-type controls. Anti-IL-20 monoclonal antibody (7E) treatment reduced blood glucose and the glomerular area and improved renal functions in mice in the early stage of STZ-induced diabetic nephropathy. ELISA showed that the serum IL-20 level was higher in patients with diabetes mellitus than in healthy controls. The findings of this study suggest that IL-20 induces cell apoptosis of podocytes and plays a role in the pathogenesis of early diabetic nephropathy.
Full text:
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Index:
WPRIM
Main subject:
Blood Glucose
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In Vitro Techniques
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Enzyme-Linked Immunosorbent Assay
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Interleukins
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Interleukin-10
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Apoptosis
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Vascular Endothelial Growth Factor A
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Diabetes Mellitus
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Diabetic Nephropathies
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Podocytes
Limits:
Animals
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Humans
Language:
En
Journal:
Experimental & Molecular Medicine
Year:
2017
Type:
Article