(a). The electrophorogram of total RNA from PBMCs. (b). Expression of CXCL8 mRNA in the PBMCs of mycoplasmal pneumonia. Note: M: DL2000; 1, 2 for GAPDHC and CXCL8 of normal control; 3, 4, 5, 6 for GAPDH and CXCL8 of mycoplasmal pneumonia (light 1 and light 2); 7, 8, 9, 10 for GAPDH and CXCL8 of mycoplasmal pneumonia (severe 1 and severe 2).