Moreover, H. pylori infections come with the risk of follow-updiseases such as chronic gastritis and gastric cancer,48 and gastric cancer is often characterized bythe atypical de novo expression of MUC5B or MUC2.11,12 Our results motivate that the presence of those two mucins in gastricmucus may have very different consequences that need to be consideredfor the treatment of mucus-associated diseases. The gene discussed is MUC5B; the disease is gastric cancer.