Figure 4: Migration of MSC (in arbitary units) towards basal conditioned medium of HL-1 cardiomyocytes and that of HL-1 cardiomyocytes stimulated with TNF-α, in the presence or absence of a SDF-α-antibody, MCP-1-antibody or IgG-antibody. Columns represent mean ± SEM with n=4/group.