MFN2 and hydrops fetalis: When normalized to total Mfn2 protein, pMfn2 in HF-CON was again significantly lower than in normal dogs (2.91 ± 0.86 vs. 6.27 ± 0.86, p < 0.05) and was restored to near normal level in HF-ELAM dogs (4.22 ± 0.54).