STING1 and neoplasm: Murine-specific STING agonist, 5,6-dimethylxanthenone-4-acetic acid (DMXAA), which also has been known as a tumour vascular disrupting agent (VDA), exerts a potent anti-tumour effect that is caused by tumour endothelial cell (EC)-specific apoptosis and extensive haemorrhage within tumour17.