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NLRP3 Deficiency Alleviates Severe Acute Pancreatitis and Pancreatitis-Associated Lung Injury in a Mouse Model

NLRP3 Deficiency Alleviates Severe Acute Pancreatitis and Pancreatitis-Associated Lung Injury in a Mouse Model

Qiang Fu, Zhensheng Zhai, Yuzhu Wang, Lixia Xu, Pengchong Jia, Peng Xia, Chuanjiang Liu, Xu Zhang, Tao Qin, Hongwei Zhang

Biomed Res Int. 2018 Nov 28;2018:1294951.

PMID: 30622955

Abstract:

The rapid production and release of a large number of inflammatory cytokines can cause excessive local and systemic inflammation in severe acute pancreatitis (SAP) and multiple organ dysfunction syndrome (MODS), especially pancreatitis-associated acute lung injury (P-ALI), which is the main cause of early death in patients with SAP. The NLRP3 inflammasome plays an important role in the maturation of IL-1β and the inflammatory cascade. Here, we established a model of SAP using wild-type (NLRP3+/+) and NLRP3 knockout (NLRP3-/-) mice by intraperitoneal injections of caerulein (Cae) and lipopolysaccharide (LPS). Pathological injury to the pancreas and lungs, the inflammatory response, and neutrophil infiltration were significantly mitigated in NLRP3-/- mice. Furthermore, INF-39, an NLRP3 inflammasome inhibitor, could reduce the severity of SAP and P-ALI in a dose-dependent manner. Our results suggested that SAP and P-ALI were alleviated by NLRP3 deficiency in mice, and thus, reducing NLRP3 expression may mitigate SAP-associated inflammation and P-ALI.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP866028264	INF39		866028-26-4	Price

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