Amphiphilic poly-TLR7/8a and MMP-2-sensitive R9-PEG form AuNRs-IMQD-R9-PEG that effectively absorb tumor-derived protein antigens and directly from nanovaccines in vivo, enhancing the activation of host DCs, thereby amplifying adaptation anti-tumor T cell responses, triggering effector memory immune responses, and activating innate anti-tumor immunity [117]. This evidence concerns the gene MMP2 and neoplasm.