However, DIO promoted recruitment of gMDSC and reductions in cytotoxic T cells within the 2838c3 T-cell inflamed TME, correlating with loss of control of microscopic disease. These findings suggest that DIO reduces the potency of targeted KRASG12D inhibition in T cell-inflamed PDAC.
Several candidate ligands exhibited favorable binding affinity, stable proteinligand interactions, and enhanced structural stability compared with reference inhibitors, including MRTX1133 and BI-2852. Molecular dynamics analyses further supported the stability of the predicted complexes and the involvement of key binding residues within the KRAS G12D pocket. These findings demonstrate that MPFF-IS can efficiently identify potential KRAS G12D inhibitors and may provide a useful computational framework for precision drug discovery targeting difficult oncogenic proteins.
Transmembrane oncoMUCs promote immune evasion in PDA through EGFR/UNC5B signaling, and their targeting enhances the efficacy of K-rasG12D inhibition, suggesting oncoMUCs as novel immune regulators and therapeutic targets in PDA.