- Up-regulation of Fas expression by Pseudomonas aeruginosa-infected endothelial cells depends on modulation of iNOS and enhanced production of NO induced by bacterial type III secreted proteins. Assis, M.C., Freitas, C., Saliba, A.M., D'A Carvalho, A.P., Simao, T.A., Albano, R.M., Plotkowski, M.C. Int. J. Mol. Med. (2006)