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. Author manuscript; available in PMC: 2024 Feb 8.
Published in final edited form as: Neurosurg Focus. 2022 Feb;52(2):E5. doi: 10.3171/2021.11.FOCUS21556

TABLE 1.

Overall immune characteristics of syngeneic murine GBM models

GL261 SB28 CT-2A SMA-560
Overall immunogenicity High Low Low Moderate
MHC class I High None Low Low
MHC class II Low/none None Low None
PD-L1 Present Present Present Present
PD-L2 None Unknown Unknown Unknown
Mutational load Very high Low Moderate High

PD-L2 = programmed death-ligand 2.