S100A8 and Peptic ulcer: HPLM01, HPLM02, and HPLM03 harbored genes encoding previously known virulence factors associated with peptic ulcers and gastric cancer, such as cagA, cagE, vacA, iceA, babA, hopQ, oipA, sabA, hopZ, babB, babC, sabB, and homB, while the last four genes were not present in strain B38 (3, 4).