MMP9 and lung carcinoma: Novel ginsenoside derivatives AD-1 (40 mg/kg) and 4-XL-PPD (50 and 100 μM) are also reported to inhibit protein levels of MMP-9 and/or MMP-2 in athymic nude mice with A549 lung cancer cells and MGC-803 human gastric cancer cells, respectively [123,124] (Figure 10C,D).