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This study aims to understand how different KRAS mutations affect cell fate decisions in pancreatic cancer development.

Abstract A027: Molecular dynamics driving phenotypic divergence among KRAS mutants in pancreatic tumorigenesis

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This study aims to understand how different KRAS mutations affect cell fate decisions in pancreatic cancer development.
Utilized Ptf1a-TdTomato mice to study KRAS mutations in vivo
Conducted multiple genetic and pharmacologic perturbations
Examined lineage reversion and tumor initiation across KRAS variants
Investigated signaling pathways including EGFR and AKT
KRASG12D mutations enable lineage reversion and tumor initiation
KRASG12R/V mutations fail to sustain neoplastic programs and exhibit signaling defects
Only active AKT can rescue tumorigenic potential in KRASG12R models
Observed enrichment of PI3K pathway mutations in KRASG12R pancreatic cancer

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In vivo analysis reveals mutation-specific tumor initiation mechanisms in pancreatic cancer, suggesting tailored therapeutic strategies.

Grimont et al. (2026) studied this question.

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