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Costunolide alleviates HKSA-induced acute lung injury via inhibition of macrophage activation

	author = {Yun-tian Chen and Yao Du and Bo Zhao and Li-xing Gan and Kai-kai Yu and Lei Sun and Jian Wang and Feng Qian},
	title = {Costunolide alleviates HKSA-induced acute lung injury via inhibition of macrophage activation},
	journal = {Acta Pharmacologica Sinica},
	volume = {40},
	number = {8},
	year = {2019},
	keywords = {},
	abstract = {Staphylococcus aureus (S. aureus) infection leads to a severe inflammatory response and causes acute lung injury (ALI), eventually threatening human life. Therefore, it is of importance to find an agent to inhibit inflammation and reduce ALI. Here, we found that costunolide, a sesquiterpene lactone, displays anti-inflammatory effects and ameliorates heat-killed S. aureus (HKSA)-induced pneumonia. Costunolide treatment attenuated HKSA-induced murine ALI in which pulmonary neutrophil infiltration was inhibited, lung edema was decreased, and the production of pro-inflammatory cytokines was significantly reduced. In addition, costunolide dose-dependently inhibited the generation of IL-6, TNF-α, IL-1β, and keratinocyte-derived cytokine (KC), as well as the expression of iNOS, in HKSA-induced macrophages. Furthermore, costunolide attenuated the phosphorylation of p38 MAPK and cAMP response element-binding protein (CREB). Collectively, our findings suggested that costunolide is a promising agent for alleviating bacterial-induced ALI via the inhibition of the MAPK signaling pathways.},
	issn = {1745-7254},	url = {}