The MAPK family comprises three major subfamilies: ERK (a pro-survival kinase activated by mitogenic signals), and the stress-responsive MAPKs, JNK and p38 (Sugiura et al., 2021)
Additionally, PTMs play vital roles in DNA mismatch repair, metabolic pathways, and immune responses in tumor cells [18]

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The landscape of metabolic research is moving faster than ever here in 2026
KRAS is an oncogenic protein that is commonly activated in many tumors, including lung cancer and pancreatic cancer, and it has been considered an undruggable target because it lacks a classical drug binding site 143,144
C.Sanz-FernndezM.HuJ.SandalioL