- Cell activation by ligands of the toll-like receptor and interleukin-1 receptor family depends on the function of the large-conductance potassium channel MaxiK in human macrophages. Scheel, O., Papavlassopoulos, M., Blunck, R., Gebert, A., Hartung, T., Zähringer, U., Seydel, U., Schromm, A.B. Infect. Immun. (2006)