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. 2015 May 19;10(5):e0121911. doi: 10.1371/journal.pone.0121911

Fig 6. MEM potentiates intracellular killing of E. coli K1 in HBMEC with a combination of Amp.

Fig 6

A: Five combination settings of HBMEC were tested with the same concentration (10 μM) of MEM and different concentrations of Amp (0, 5, 25, 50 and 100 μg/ml). B: Five combination settings of cells were treated with the same amount (50 μg/ml) of Amp and different concentrations of MEM (0, 1, 5, 10, and 15 μM). The intracellular killing activity with a combination of drugs was significantly higher (**P<0.001) than that of the treatment with one drug alone.