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The chemical structure of NCTS and its effect on cell viability with or without LPS co-treatment in RAW264.7 macrophages. RAW264.7 cells were treated with or without 500 ng/mL of LPS and NCTS (5, 10 and 20 μmol/L) for 24 h. Data were presented as the means±SD of three independent experiments. ##P<0.01, vs. the control group; **P<0.01, *P<0.05 vs. LPS-stimulated group. NCTS, Neocryptotanshinone; Cont, Control group.
