. 2013 Sep 9;8(9):e73815. doi: 10.1371/journal.pone.0073815

Table 2. Minimum bactericidal concentration (MBC₅₀ and MBC₉₀) values of selected antimicrobial agents when used alone and in the presence of 8 µg/ml of α-MSH against clinical MRSA strain.

Antibiotic	MBC_50/MBC₉₀ (µg/ml) ofantibiotic alone	MBC_50/MBC₉₀ (µg/ml) of antibioticin the presence of α-MSH	Fold reduction in MBC values(MBC_50/MBC₉₀) of antibiotic whencombined with α-MSH
Oxacillin	2048/>2048	4/>32	512/NA*
Ciprofloxacin	64/128	2/16	32/8
Tetracycline	64/128	2/32	32/4
Gentamicin	2048/>2048	2/32	1024/>64
Rifampicin	>256/512	8/>32	>32/NA*

Note: Fold reduction = (MBC₅₀ of antibiotic alone/MBC₅₀ in presence of α-MSH).

NA*means MBC₉₀ not achieved.

Table 2. Minimum bactericidal concentration (MBC50 and MBC90) values of selected antimicrobial agents when used alone and in the presence of 8 µg/ml of α-MSH against clinical MRSA strain.