CD8A and neoplasm: (91) found that 50 mg/kg and 100 mg/kg GLP significantly reduced the tumor volume of glioma-bearing rats to 101.93 ± 53.58 mm3 and 113.56 ± 39.76 mm3, compared to 162.99 ± 48.34 mm3 in the control group, and GLP significantly increased the intratumoral infiltration of CD8+ T cells.