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Phenotypes Associated with This Genotype
Genotype
MGI:5308964
Allelic
Composition
Krastm4Tyj/Kras+
Tg(Pdx1-cre)89.1Dam/0
Genetic
Background
involves: 129S4/SvJae * C57BL/6 * CBA * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Krastm4Tyj mutation (11 available); any Kras mutation (69 available)
Tg(Pdx1-cre)89.1Dam mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• mutants develop pancreatic tumors with an average latency of 57 weeks
• 100% of tumors exhibit sarcomatoid carcinoma histology
• 67% of tumors exhibit metastasis

endocrine/exocrine glands
• mutants develop pancreatic tumors with an average latency of 57 weeks
• 100% of tumors exhibit sarcomatoid carcinoma histology


Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
01/28/2026
MGI 6.24
The Jackson Laboratory