Aspirin increases susceptibility of Helicobacter pylori to metronidazole by augmenting endocellular concentrations of antimicrobials

Table 2 cDNAs levels of porins and efflux system of H pylori tested by real-time quantitative PCR

	Levels of cDNA
Gene	Aspirin group	DMSO control	Blank control
hopA	963.60 ± 23.33	1087.75 ± 26.42	856.27 ± 25.43
hopB	84.00 ± 15.97	91.45 ± 14.83	100.15 ± 16.28
hopC	52.98 ± 11.67	51.77 ± 12.01	52.79 ± 10.27
hopD	83.86 ± 14.09	92.46 ± 17.78	89.92 ± 13.72
hopE	54.07 ± 10.58	52.77 ± 11.93	52.12 ± 9.92
hefA	12.31 ± 2.12	12.51 ± 1.99	12.97 ± 2.76
hefB	25.47 ± 4.73	28.48 ± 5.07	25.60 ± 4.99
hefC	55.62 ± 8.89	52.08 ± 9.78	53.37 ± 10.04

P > 0.05 (Aspirin group compared with DMSO control or blank control).