KRAS and pancreatitis: 20 Grasso Grasso D D ,  Garcia Garcia MN MN ,  Hamidi Hamidi T T ,  et al et al Genetic inactivation of the pancreatitis-inducible gene Nupr1 impairs PanIN formation by modulating Kras(G12D)-induced senescence Genetic inactivation of the pancreatitis-inducible gene Nupr1 impairs PanIN formation by modulating Kras(G12D)-induced senescence .