S100A8 and infection: For example, infection of human gastric adenocarcinoma (AGS) cells with wild-type or the cytotoxin-associated gene A (CagA) and virB7 mutants of H. pylori suppressed eEF2 phosphorylation at Thr-56 on eEF2K at 1 to 3 hours post-infection (Sokolova et al., 2014).