TLR4 and Hyperglycemia: Western blotting analysis demonstrated that the combination of hyperglycaemia and oxLDL treatment synergistically increased the protein expression of TLR4 (Figure 3B, NG oxLDL(−), NG oxLDL(+), HG oxLDL(−), HG oxLDL(+); 1.00 ± 0.12, 1.16 ± 0.17, 1.11 ± 0.22, 2.27 ± 0.35).