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学科主题: 临床医学
题名:
Pretreatment with interleukin-33 reduces warm hepatic ischemia/reperfusion injury in mice
作者: Li Shu; Zhu Feng-xue; Zhang Hong-bin; Li Hui; An You-zhong
关键词: liver ; ischemia/reperfusion ; T helper lymphocyte ; interleukin-33
刊名: CHINESE MEDICAL JOURNAL
发表日期: 2013-05-20
DOI: 10.3760/cma.j.issn.0366-6999.20123530
卷: 126, 期:10, 页:1855-1859
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Medicine, General & Internal
研究领域[WOS]: General & Internal Medicine
关键词[WOS]: REPERFUSION INJURY ; NKT CELLS ; LIVER ; IL-33 ; HEPATOCYTES ; ISCHEMIA ; PROTECTS ; RECEPTOR ; INNATE ; MOUSE
英文摘要:

Background Interleukin (IL)-33 is a recently identified member of the IL-1 family that binds to the receptor, ST2L. This study examined IL-33 production in mouse liver and investigated its role in hepatic ischemia/reperfusion (I/R) injury.

Methods Male BALB/c mice ((22 +/- 3) g) were subjected to 90 minutes partial hepatic ischemia, followed by 6 hours reperfusion. First, mice were randomized into two groups: control group (laparotomy only, without blocking blood supply) and ischennia model group. IL-33 mRNA and serum protein levels were measured at 30, 60, 90 minutes after ischemia and 2 and 6 hours after reperfusion. Second, mice were randomized into four groups: control, model (injection of rabbit IgG polyclonal antibody), recombinant IL-33 intervention and anti-ST2L antibody intervention group. Mice were sacrificed 6 hours after reperfusion. Liver pathology was observed via transmission electron microscopy. Serum aspartate aminotransferase (AST), alanine aminotransferase (ALT), IL-4, IL-5, IL-13, interferon-gamma (IFN-gamma) and tumor necrosis factor-alpha (TNF-alpha) levels were measured.

Results Levels of IL-33 mRNA and protein did not change during ischemia (P > 0.05) but increased significantly during reperfusion (P < 0.05). After reperfusion for 6 hours, serum levels of ALT, AST, IL-4, IL-5, IL-13, IFN-gamma and TNF-alpha were significantly increased (P < 0.05), and hepatocellular ultrastructure was damaged. Pretreatment with IL-33 attenuated severity of liver damage compared with controls, but pretreatment with anti-ST2L antibody increased severity. Serum levels of IL-4, IL-5 and IL-13 protein increased whereas IFN-gamma decreased following IL-33 pretreatment. Pretreatment with anti-ST2L antibody significantly decreased serum IL-4, IL-5, IL-13 levels and increased serum IFN-gamma levels compared with controls (P < 0.05). There was no change in the level of TNF-alpha.

Conclusion IL-33 is produced systematically and locally in liver during I/R injury. Pretreatment with IL-33 is therapeutic for hepatic I/R injury, possibly via inducing a Th1 to Th2 shift.

语种: 英语
所属项目编号: RDB2010-21
项目资助者: Peking University People&prime ; s Hospital Research and Development Funds
WOS记录号: WOS:000319529200011
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/58392
Appears in Collections:北京大学第二临床医学院_重症医学科_期刊论文

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作者单位: Peking Univ, Peoples Hosp, Dept Crit Care Med, Beijing 100044, Peoples R China

Recommended Citation:
Li Shu,Zhu Feng-xue,Zhang Hong-bin,et al. Pretreatment with interleukin-33 reduces warm hepatic ischemia/reperfusion injury in mice[J]. CHINESE MEDICAL JOURNAL,2013,126(10):1855-1859.
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