Research Article

Methyl Protodioscin from the Roots of Asparagus cochinchinensis Attenuates Airway Inflammation by Inhibiting Cytokine Production

Figure 4

Effects of Asparagus radix (ACE) and methyl protodioscin (MP) on iNOS-catalyzed NO production in MH-S cells. (a) Effects of ACE and MP against NO production. (b) Viability of MH-S cells measured by MTT assay. AMT: iNOS inhibitor and CT: cytotoxic; , , significantly different from the LPS-treated group ().
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