TNF and acute respiratory distress syndrome: In addition, compared with the LPS-induced ALI model group, the expressions of IL-6, IL-1β, and TNF-α in lung tissues in the positive, SSA-L, SSA-H, SSb1-L, SSb1-H, SSb2-H, and SSD-H groups were decreased (p < 0.05 or p < 0.01).