Levels of TNF-α in lung tissues in control group, sepsis group, sepsis+SO2 group, and SO2 group were 41.1 ± 7.33 pg/mg, 48.5 ± 2.80 pg/mg, 45.0 ± 5.13 pg/mg, and 44.2 ± 4.30 pg/mg, respectively. The gene discussed is TNF; the disease is Sepsis.