期刊
INTERNATIONAL IMMUNOPHARMACOLOGY
卷 80, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.intimp.2019.106151
关键词
Sildenafil; SAP; Lung injury; Inflammation; Nrf2; NF-kappa b
资金
- National Natural Science Foundation of China [81572087]
- Natural Science Foundation of Zhejiang Province [LQ20H030004]
Background: Inflammatory response and acute lung injury (ALI) occur in sodium taurocholate-induced severe acute pancreatitis (SAP). Because sildenafil has anti-inflammatory, anti-oxidant and immune-modulating effects, we investigated its effect on inflammatory and lung injury in sodium taurocholate-induced SAP-associated ALI rat lung. Methods: Sodium taurocholate-induced SAP rats received sildenafil (100 mg/kg) or not and were compared to age-matched normal control animals. We evaluated inflammatory response by detecting the expression of inflammatory factors including IL-1 beta, IL-6 and TNF-alpha, and detected the level of lung injury through histopathological evaluation. Moreover, we also tested the protein expression of PCNA, P21, Bcl-2 and Bax in the lung. Results: Sildenafil administration rats had a low level of lung injury and inflammation. In addition, sildenafil significantly increased the expression of proliferation-related markers and decreased the expression of apoptosis-related markers in lung tissue. Conclusions: Sildenafil administration may attenuate inflammation and lung injury by promoting proliferation and suppressing apoptosis in SAP rats.
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