C3AR1 and central nervous system cancer: The q-PCR results showed that MSR1 (p < 0.05; Figure 12A), IL18 (p < 0.05; Figure 12B), SLC11A1 (p < 0.05; Figure 12C), and C3AR1 (p < 0.05; Figure 12D) were highly expressed in the glioma tissue compared with the normal tissues.