The aim of this thesis is to elucidate the biological as well as methodological implications that arise from modeling the spatio-temporal dynamics of lipid rafts. Therefore the effect of raft-dependent receptors dynamics on both, individual signaling events as well as the canonical Wnt signaling pathway, is thoroughly analyzed. To explore the effect of lipid rafts on individual signaling events, a Cellular-Automata based membrane model is developed. The specific involvement of lipid rafts in Wnt/b-catenin signaling is explored by means of an integrated in silico and in vitro approach.<eng>
