APOE and atherosclerosis: Serum levels of lipopolysaccharide (LPS) (Figure 2C) and inflammatory markers, including IL‐6, TNF‐α, and IL‐1β (Figure 2D), indicated that HFD‐fed Apoe−/− mice subjected to FMT from patients with ASCVD (MC group) experienced a more pronounced inflammatory response than the M group.