FABP1 and hydrops fetalis: Interestingly, unlike what was found in the iWAT depot, the increase in eWAT mass observed on HF feeding was associated with an increase in adipocyte size in the LFABP−/− mice, similar to the WT mice (LFABP−/−: p = 0.007; WT: p < 0.001) (Figure 3f).