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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tg(Cela1-tTA)#Eps
transgene insertion, Eric P Sandgren
MGI:5502418
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Krastm1Bbd/Kras+
Trp53tm1Brd/Trp53+
Tg(Cela1-tTA)#Eps/?
Tg(tetO-cre)3Jig/?
involves: 129S1/Sv * 129S7/SvEvBrd * 129X1/SvJ * FVB/N MGI:5502432
cn2
Krastm1Bbd/Krastm1Bbd
Tg(Cela1-tTA)#Eps/?
Tg(tetO-cre)3Jig/?
involves: 129S1/Sv * 129X1/SvJ * FVB/N MGI:5502430


Genotype
MGI:5502432
cn1
Allelic
Composition
Krastm1Bbd/Kras+
Trp53tm1Brd/Trp53+
Tg(Cela1-tTA)#Eps/?
Tg(tetO-cre)3Jig/?
Genetic
Background
involves: 129S1/Sv * 129S7/SvEvBrd * 129X1/SvJ * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Krastm1Bbd mutation (2 available); any Kras mutation (84 available)
Tg(Cela1-tTA)#Eps mutation (0 available)
Tg(tetO-cre)3Jig mutation (0 available)
Trp53tm1Brd mutation (5 available); any Trp53 mutation (240 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• 50% mortality by 6 months of age
• 100% mortality by 1 year of age

neoplasm
• all mice develop moderately to poorly differentiated pancreatic ductal adenocarcinomas, peritoneal explants, and perineural extensions
• metastases develop affecting liver, diaphragm, lungs, lymph nodes, and spleen

endocrine/exocrine glands
• all mice develop moderately to poorly differentiated pancreatic ductal adenocarcinomas, peritoneal explants, and perineural extensions

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
pancreatic carcinoma DOID:4905 OMIM:260350
J:119988




Genotype
MGI:5502430
cn2
Allelic
Composition
Krastm1Bbd/Krastm1Bbd
Tg(Cela1-tTA)#Eps/?
Tg(tetO-cre)3Jig/?
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Krastm1Bbd mutation (2 available); any Kras mutation (84 available)
Tg(Cela1-tTA)#Eps mutation (0 available)
Tg(tetO-cre)3Jig mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• focal morphological lesions develop in acinar and centroacinar cells at 1-3 months
• acinar to ductal metaplasias develop
• some mice develop ductal adenocarcinomas by 12 months
• properties are similar to those in human patients
• sometimes areas of non malignant hyperplasia develop
• latency is increased if gene expression is delayed by maintaining exposure to doxycycline until 10 days of age
• if doxycycline exposure continues to 2 months of age, no pancreatic abnormalities develop

endocrine/exocrine glands
• focal morphological lesions develop in acinar and centroacinar cells at 1-3 months
• acinar to ductal metaplasias develop
• some mice develop ductal adenocarcinomas by 12 months
• properties are similar to those in human patients
• sometimes areas of non malignant hyperplasia develop

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
pancreatic carcinoma DOID:4905 OMIM:260350
J:119988





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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
11/19/2024
MGI 6.24
The Jackson Laboratory