- E. coli virulence factor hemolysin induces neutrophil apoptosis and necrosis/lysis in vitro and necrosis/lysis and lung injury in a rat pneumonia model. Russo, T.A., Davidson, B.A., Genagon, S.A., Warholic, N.M., Macdonald, U., Pawlicki, P.D., Beanan, J.M., Olson, R., Holm, B.A., Knight, P.R. Am. J. Physiol. Lung Cell Mol. Physiol. (2005)