TNF and hydrops fetalis: After switching to the normal diet for an additional 12 weeks up to the age of 24 weeks, the transcriptional expression levels of Tnfα, Il-6 and Ccr2 increased 2.7-fold (p < 0.01), 3.5-fold (p < 0.01) and 2.0-fold (p < 0.01) in HF diet group in iMT.