CGAS and neoplasm: For example, Sun et al.[111] revealed that MnO@mSiO2‐iRGD NPs could be harnessed for Fenton‐like reaction‐induced ROS upregulation, cGAS‐STING pathway‐activated immunotherapy, highly eliciting cytotoxic T lymphocyte infiltration and tumor suppression combining with αPD‐1 (Figure 7).