MMP2 and viral encephalitis: As shown in Figure 2, significant positive correlations were found between sCD146 levels and IL-10 (r=0.479, p=0.021), IL-6 (r=0.452, p=0.031), and MMP2 (r=0.415, p=0.049) in the CSF of anti-NMDAR encephalitis patients in the acute stage.