ITGB1 potentially interacted with AKT1, GSK3β, and CTNNB1 (β-catenin) (Figure 6C), suggesting that ITGB1 may play a role in the regulatory circuit through which FABP4 mediates the activation of Wnt/β-catenin signaling in HCC. Here, CTNNB1 is linked to hepatocellular carcinoma.