首页|多功能分子SLPI调节肾缺血再灌注损伤和修复的作用及机制

多功能分子SLPI调节肾缺血再灌注损伤和修复的作用及机制

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分泌性白细胞蛋白酶抑制因子(secretory leukocyte protease inhibitor，SLPI)主要由免疫细胞及多种上皮细胞产生，受多种细胞因子调节，如转化生长因子β1、白介素1β和肿瘤坏死因子α等。除公认的抗蛋白酶活性外，近年来发现SLPI还具备抗细胞凋亡、调节细胞周期、促进细胞分化和增殖及抑制炎症反应等多种特性。SLPI亦可增强细胞吞噬功能和免疫系统对病原体/损伤细胞的清除，从而改善组织损伤及启动修复。另外，新近研究表明，血清SLPI水平变化对心血管术后急性肾损伤的发生具有较高的诊断价值，提示SLPI参与肾脏缺血再灌注损伤相关的免疫反应。本文中我们综述了SLPI在不同器官损伤模型中的表达、调控、信号通路机制以及相关生物学事件，并探讨和评价其在缺血再灌注所致急性肾损伤中发挥保护作用及作为生物学标志物的潜力。
The role and mechanism of multifunctional molecule SLPI in regulating ischemia-reperfusion induced acute kidney injury and repair
The secretory leukocyte protease inhibitor(SLPI)is mainly produced by immune cells and various epithelial cells,and is regulated by a variety of cytokines,such as transforming growth factor β1,interleukin 1β and tumor necrosis factor α.In addition to commonly known anti-protease activity,it has been found in recent years that SLPI plays essential roles in anti-apoptosis,regulating cell cycle,cell differentiation and proliferation,and inhibiting inflammatory response.SLPI can also assist the immune system to clear pathogens/damaged cells by enhancing the phagocytic function of phagocytes,so as to ameliorate tissue damage and promote repair.Moreover,recent studies have shown that the change of SLPI level in the serum of patients post cardiovascular surgery has a high diagnostic value in predicting the occurrence of acute kidney injury,suggesting that SLPI is involved in ischemia-reperfusion(IR)induced acute kidney injury.In this review,we summarized the expression,regulation,signaling pathways and associated biological events of SLPI in different organ injury models,and also discussed and evaluated the potential role of SLPI in renoprotection against IR induced acute kidney injury and its potential as a new biomarker.

secretory leukocyte protease inhibitoracute kidney injuryischemia-reperfusion injurybiomarkers

陈飞、吴圆圆、杨斌

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南通-莱斯特联合肾脏病学研究所,南通大学附属医院肾内科,南通大学医学院,南通 226001

南通大学医学院病理系,南通 226001

莱斯特大学生命科学院心血管科学系肾脏研究组,莱斯特LE1 9HN,英国

分泌性白细胞蛋白酶抑制因子 急性肾损伤 缺血再灌注损伤 生物标志物

project grants from the National Natural Foundation of Chinaproject grants from the National Natural Foundation of ChinaJiangsu Provincial Department of Science and Technology,China

8187362282200765BK20210842

2024

10.13294/j.aps.2024.0027

生理学报
中国科学院上海生命科学研究院,中国生理学会

生理学报

CSTPCD北大核心
影响因子：0.864
ISSN：0371-0874
年,卷(期)：2024.76(3)