Innate Immunity in Vertebrates; Cytokines and Chemokines Tuesday, June 30, 2009, Hall Prague C-D 16:30-16:50 A genuine T-lymphocyte associated role for IFN-?-2 in carp (Cyprinus carpio L.) Verburg-Van Kemenade B.M.L., Stolte E.H., Arts J., Tijhaar E., Wiegertjes G.F., Flik G., Savelkoul H.F.J. 16:50-17:10 Tumor necrosis factor-? (TNF?): a double edged sword. A role for TNF? in protection and immunopathology during experimental trypanosome infections in carp Forlenza M., Magez S., Scharsack J.P., Savelkoul H.M., Wiegertjes G.F. 17:10-17:30 Functional characterization of TNF? receptors in zebrafish Roca F.J., Espín R., Meseguer J., Mulero V. 17:30-17:50 Identification and characterisation of goldfish tumor necrosis factor receptors I and II Grayfer L., Belosevic M.