Disulfiram relieves severe acute pancreatitis by inhibiting GSDMD-dependent NETs formation

被引:1
|
作者
Ling, Xin [1 ]
Nie, Chi [1 ]
Sheng, Li Ping [1 ]
Han, Chao Qun [1 ,3 ]
Ding, Zhen [2 ,4 ]
机构
[1] Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Div Gastroenterol, Wuhan, Hubei, Peoples R China
[2] Sun Yat Sen Univ, Affiliated Hosp 1, Div Gastroenterol, Guangzhou, Guangdong, Peoples R China
[3] Huazhong Univ Sci & Technol, Union Hosp, Tongji Med Coll, Div Gastroenterol, 1277 Jiefang Ave, Wuhan 430022, Hubei, Peoples R China
[4] Sun Yat Sen Univ, Affiliated Hosp 1, Div Gastroenterol, 58 Zhongshan Er Rd, Guangzhou 510080, Guangdong, Peoples R China
基金
中国国家自然科学基金;
关键词
acute pancreatitis; disulfiram; gasdermin D; neutrophil extracellular traps; neutrophils; NEUTROPHIL EXTRACELLULAR TRAPS; PORE FORMATION; ACTIVATION; INJURY; INFLAMMATION; MECHANISM; TRYPSIN; DAMAGE;
D O I
10.1111/1751-2980.13211
中图分类号
R57 [消化系及腹部疾病];
学科分类号
摘要
Objectives: Severe acute pancreatitis (SAP) is characterized by pancreatic and systemic inflammation and persistent organ failure. Neutrophil extracellular traps (NETs) are considered to play an important role in the development of SAP. We aimed to explore the effect of disulfiram (DSL), a newly developed anti-inflammatory drug, on NETs in SAP.Methods: A mouse model of SAP was induced by caerulein and lipopolysaccharide, and the mice were divided into the normal control group, the DSL group, the SAP group, and the SAP treated with 50 mg/kg (50DSLSAP) and 100 mg/kg DSL (100DSLSAP) groups, respectively. The severity of SAP was evaluated based on the morphological and biochemical changes. Gasdermin D (GSDMD) expression was evaluated in vivo and in vitro to verify the effect of DSL. Additionally, the expressions of NETs were also evaluated in vivo and in vitro in SAP with and without DSL treatment to explore the possible mechanism of DSL on SAP.Results: Pancreatic inflammatory injury increased in the SAP group, which was alleviated by DSL. GSDMD, a protein related to the formation of NETs, increased in SAP. Expressions of NETs were also promoted in the in vivo SAP model and by phorbol myristate acetate (PMA) in vitro. Moreover, DSL inhibited the expressions of GSDMD and NETs in vivo. The results were further confirmed in the in vitro experiment.Conclusions: NETs are highly associated with inflammatory injury in SAP. DSL inhibits NETs formation by downregulating GSDMD, which in turn relieves the inflammation of SAP. Our study may provide a possible therapeutic target for SAP.
引用
收藏
页码:359 / 368
页数:10
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