FABP4 and hydrops fetalis: Accordingly, our findings showed that the mean serum levels of CXCL13 (20, 24, and 30 weeks of age) and CXCL5 (16, 20, 24, and 30 weeks of age) were significantly lower in FABP4−/− TRAMP-HF than in TRAMP-HF mice (Figure 4C,D).