FABP1 and neoplasm: In an in vivo tumor metastasis assay, the number of metastatic nodules formed in the lungs of NOD/SCID mice after 60 days was 3.9-fold higher in the Hus/L-FABP-injected group relative to the control group (Figure 6D), and angiogenic vessel formation was increased in these nodules (Figure 6E).