Inhibitory effects of α-cyperone on adherence and invasion of avian pathogenic Escherichia coli O78 to chicken type II pneumocytes.

Avian pathogenic Escherichia coli (APEC) are extra-intestinal pathogenic E. coli, and usually cause avian septicemia through breaching the blood-gas barrier. Type II pneumocytes play an important role of maintaining the function of the blood-gas barrier.