MRC1 and hepatocellular carcinoma: Co-culturing WWOXlow HCC cells (HCCLM3-Vector and Huh7-shWWOX) with macrophages enhances macrophage recruitment, leading to significant upregulation of M2-like macrophage markers such as CD163, MRC1, IL-10, TGF-β, and ARG-1, along with increased CD206 protein expression.