In addition, compared with the chow and HF groups, there was a significant decrease in the area positive for CD31 staining in the DSS + HF group (DSS + HF 2.6% vs. chow 1.3%; p < 0.01, DSS + HF 2.6% vs. HF 4.7%; p < 0.01; Figure 1D). This evidence concerns the gene PECAM1 and hydrops fetalis.