IL6 and hydrops fetalis: Apart from this, mice fed HF diet, when compared at the same time to mice fed HFLM diet, had similar levels of all cytokines with few exceptions: TNF α was significantly elevated in HF mice at 4 weeks (but was similar after 12 weeks of diet); IL6 was elevated in the HFLB mice after 12 weeks; MCP-1 was higher in HF mice after 12 weeks (Figure 4).