- A novel mechanism for bradykinin production at inflammatory sites. Diverse effects of a mixture of neutrophil elastase and mast cell tryptase versus tissue and plasma kallikreins on native and oxidized kininogens. Kozik, A., Moore, R.B., Potempa, J., Imamura, T., Rapala-Kozik, M., Travis, J. J. Biol. Chem. (1998)