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Phenotypes Associated with This Genotype
Genotype
MGI:5508329
Allelic
Composition		 Braftm1Sva/Braftm1Sva
Krastm1Bbd/Kras+
Genetic
Background		 involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Sva mutation (1 available); any Braf mutation (61 available)
Krastm1Bbd mutation (2 available); any Kras mutation (88 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
mortality/aging
premature death ( J:172200 )
• following intratracheal instillation of adenovirus expressing Cre-recombinase (Ad-Cre), mice show 50% survival at 41.5 weeks compared to 40 weeks in single Kras heterozygous controls, indicating similar survival

neoplasm
increased lung non-small cell carcinoma incidence ( J:172200 )
• mice develop non-small cell lung carcinoma following intratracheal instillation of adenovirus expressing Cre-recombinase (Ad-Cre); tumor burden in similar to that seen in single Kras heterozygotes

respiratory system
increased lung non-small cell carcinoma incidence ( J:172200 )
• mice develop non-small cell lung carcinoma following intratracheal instillation of adenovirus expressing Cre-recombinase (Ad-Cre); tumor burden in similar to that seen in single Kras heterozygotes

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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Send questions and comments to User Support. 		last database update
03/25/2025
MGI 6.24 		The Jackson Laboratory