HLA-C and hydrops fetalis: The most abundant MHC species in the liver (in descending order) and their level in HF and HFPL mice were (in nmol/liver): MHC 22:0, 9.9 ± 1.0 vs 6.2 ± 0.6, -37%, P < 0.01; MHC 24:0, 5.3 ± 0.3 vs 3.9 ± 0.2, -26%, P < 0.01; MHC 24:1, 5.3 ± 0.7 vs 3.6 ± 0.3, -32%, P < 0.05.