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Recombinant human lactoferrin (rhLf) inhibits the expression of virulence factors of H. pylori in vitro. The mRNA levels of these virulence factors were determined by RT-qPCR. (A) Cytotoxin-associated gene A (CagA), (B) vacuolating cytotoxin A (VacA), and (C) urease (Ure). *P<0.05, **P<0.01 and ***P<0.001.
