Artesunate relieves acute kidney injury through inhibiting macrophagic Mincle‐mediated necroptosis and inflammation to tubular epithelial cell

Artesunate is a widely used derivative of artemisinin for malaria. Recent researches have shown that artesunate has a significant anti‐inflammatory effect on many diseases. However, its effect on acute kidney injury with a significant inflammatory response is not clear. In this study, we established...

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Veröffentlicht in:Journal of cellular and molecular medicine 2021-09, Vol.25 (18), p.8775-8788
Hauptverfasser: Lei, Xian‐ying, Tan, Rui‐zhi, Jia, Jian, Wu, Song‐lin, Wen, Cheng‐li, Lin, Xiao, Wang, Huan, Shi, Zhang‐jing, Li, Bo, Kang, Yan, Wang, Li
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container_end_page 8788
container_issue 18
container_start_page 8775
container_title Journal of cellular and molecular medicine
container_volume 25
creator Lei, Xian‐ying
Tan, Rui‐zhi
Jia, Jian
Wu, Song‐lin
Wen, Cheng‐li
Lin, Xiao
Wang, Huan
Shi, Zhang‐jing
Li, Bo
Kang, Yan
Wang, Li
description Artesunate is a widely used derivative of artemisinin for malaria. Recent researches have shown that artesunate has a significant anti‐inflammatory effect on many diseases. However, its effect on acute kidney injury with a significant inflammatory response is not clear. In this study, we established a cisplatin‐induced AKI mouse model and a co‐culture system of BMDM and tubular epithelial cells (mTEC) to verify the renoprotective and anti‐inflammatory effects of artesunate on AKI, and explored the underlying mechanism. We found that artesunate strongly down‐regulated the serum creatinine and BUN levels in AKI mice, reduced the necroptosis of tubular cells and down‐regulated the expression of the tubular injury molecule Tim‐1. On the other hand, artesunate strongly inhibited the mRNA expression of inflammatory cytokines (IL‐1β, IL‐6 and TNF‐α), protein levels of inflammatory signals (iNOS and NF‐κB) and necroptosis signals (RIPK1, RIPK3 and MLKL) in kidney of AKI mouse. Notably, the co‐culture system proved that Mincle in macrophage can aggravate the inflammation and necroptosis of mTEC induced by LPS, and artesunate suppressed the expression of Mincle in macrophage of kidney in AKI mouse. Overexpression of Mincle in BMDM restored the damage and necroptosis inhibited by artesunate in mTEC, indicating Mincle in macrophage is the target of artesunate to protect tubule cells in AKI. Our findings demonstrated that artesunate can significantly improve renal function in AKI, which may be related to the inhibition of Mincle‐mediated macrophage inflammation, thereby reducing the damage and necroptosis to tubular cells that provide new option for the treatment of AKI.
doi_str_mv 10.1111/jcmm.16833
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Recent researches have shown that artesunate has a significant anti‐inflammatory effect on many diseases. However, its effect on acute kidney injury with a significant inflammatory response is not clear. In this study, we established a cisplatin‐induced AKI mouse model and a co‐culture system of BMDM and tubular epithelial cells (mTEC) to verify the renoprotective and anti‐inflammatory effects of artesunate on AKI, and explored the underlying mechanism. We found that artesunate strongly down‐regulated the serum creatinine and BUN levels in AKI mice, reduced the necroptosis of tubular cells and down‐regulated the expression of the tubular injury molecule Tim‐1. On the other hand, artesunate strongly inhibited the mRNA expression of inflammatory cytokines (IL‐1β, IL‐6 and TNF‐α), protein levels of inflammatory signals (iNOS and NF‐κB) and necroptosis signals (RIPK1, RIPK3 and MLKL) in kidney of AKI mouse. Notably, the co‐culture system proved that Mincle in macrophage can aggravate the inflammation and necroptosis of mTEC induced by LPS, and artesunate suppressed the expression of Mincle in macrophage of kidney in AKI mouse. Overexpression of Mincle in BMDM restored the damage and necroptosis inhibited by artesunate in mTEC, indicating Mincle in macrophage is the target of artesunate to protect tubule cells in AKI. Our findings demonstrated that artesunate can significantly improve renal function in AKI, which may be related to the inhibition of Mincle‐mediated macrophage inflammation, thereby reducing the damage and necroptosis to tubular cells that provide new option for the treatment of AKI.</description><identifier>ISSN: 1582-1838</identifier><identifier>EISSN: 1582-4934</identifier><identifier>DOI: 10.1111/jcmm.16833</identifier><identifier>PMID: 34337860</identifier><language>eng</language><publisher>England: John Wiley &amp; Sons, Inc</publisher><subject>Acute Kidney Injury - drug therapy ; AKI ; Animals ; Anti-Inflammatory Agents - pharmacology ; Antibodies ; Artemisinin ; Artesunate ; Artesunate - pharmacology ; Cell culture ; Cisplatin ; Creatinine ; Epithelial cells ; Experiments ; Gene expression ; Inflammation ; Inflammation - drug therapy ; Kidneys ; Lipopolysaccharides ; Macrophages ; Malaria ; Male ; Mice ; Mice, Inbred C57BL ; Mincle ; Necroptosis ; Necroptosis - drug effects ; Nitric-oxide synthase ; Original ; Oxidative stress ; Primary Cell Culture ; Renal function ; Streptococcus infections ; Tumor necrosis factor</subject><ispartof>Journal of cellular and molecular medicine, 2021-09, Vol.25 (18), p.8775-8788</ispartof><rights>2021 The Authors. published by Foundation for Cellular and Molecular Medicine and John Wiley &amp; Sons Ltd.</rights><rights>2021 The Authors. 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subjects Acute Kidney Injury - drug therapy
AKI
Animals
Anti-Inflammatory Agents - pharmacology
Antibodies
Artemisinin
Artesunate
Artesunate - pharmacology
Cell culture
Cisplatin
Creatinine
Epithelial cells
Experiments
Gene expression
Inflammation
Inflammation - drug therapy
Kidneys
Lipopolysaccharides
Macrophages
Malaria
Male
Mice
Mice, Inbred C57BL
Mincle
Necroptosis
Necroptosis - drug effects
Nitric-oxide synthase
Original
Oxidative stress
Primary Cell Culture
Renal function
Streptococcus infections
Tumor necrosis factor
title Artesunate relieves acute kidney injury through inhibiting macrophagic Mincle‐mediated necroptosis and inflammation to tubular epithelial cell
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