The reason for this is unknown as the secretion of the same cytokines (i.e., EGF and fractalkine) and some others (i.e., FGF-2, IL12p40, MCP-1, and INF-γ) was found to be increased in i-HF lines in response to IR (Figure 4b). This evidence concerns the gene CX3CL1 and hydrops fetalis.