The mitochondrial DNA-cGAS-STING axis in colorectal cancer: a focused review of context-dependent roles and therapeutic opportunities
Immune checkpoint blockade produces durable benefit mainly in microsatellite instability-high/mismatch repair-deficient (MSI-H/dMMR) colorectal cancer (CRC), whereas most microsatellite-stable/mismatch repair-proficient (MSS/pMMR) tumors remain poorly inflamed and resistant to immunotherapy. This focused narrative revi...