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A: lungs from different groups were processed for histological evaluation 8 h after the LPS. B/D: The mRNA levels of TNFα and IL-6 were determined by quantitative real-time PCR. C/E: The BALF levels of TNF-α, IL-6 and IL-1β, determined by ELISA. #P<0.05, ##P<0.01 vs control; *P<0.05, **P<0.01 vs LPS.
