Abstract
Sepsis caused by lipopolysaccharide (LPS) is a life-threatening disease accompanied by multiple organ failure. This study investigated the curative effects of imatinib (IMA) against hepatic, renal, and pulmonary responses caused by a single administration of LPS (10mg/kg, i.p.) in rats. Treatment with IMA (15mg/kg, i.p.) 30min after LPS antagonized the LPS-induced boost of liver enzymes (ALT, AST), kidney functions (BUN, sCr) as well as the elevated pulmonary vascular permeability and edema. IMA declined tissue contents of NF-κB, STAT-3, P38-MAPK, TNF-α, IL-1β, and iNOS. It also amplified the anti-inflammatory cytokine IL-10 as well as the Bcl-2/Bax ratio, a cardinal indicator of the anti-apoptotic effect. Meanwhile, the rats exhibited marked reduction of the broncho-alveolar lavage fluid (BALF) contents of TNF-α, IL-1β, IFN-γ, and neutrophil count; however, they revealed prominent augmentation of the BALF content IL-10. In conclusion, these findings suggest that IMA is endowed with anti-inflammatory, anti-oxidant, and anti-apoptotic properties and hence may provide a novel agent for the management of sepsis.
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