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Phenotypes Associated with This Genotype
involves: 129S1/Sv * 129S4/SvJae * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Errfi1tm1Jwj mutation (0 available); any Errfi1 mutation (8 available)
Pgrtm2(cre)Lyd mutation (0 available); any Pgr mutation (25 available)
Ptentm1Hwu mutation (3 available); any Pten mutation (42 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
• survival time of double mutants is shorter than either single mutant, with mice dying by 16 weeks of age

reproductive system
• development of endometrial cancer is accelerated compared to either single mutant
• decrease in the number of apoptotic cells in the endothelium epithelium compared to single Pten mutants
• proliferation is increased in the endothelium epithelium
• mutants exhibit endometrial hyperplasia at 2 weeks of age and develop endometrial adenocarcinoma at 4 weeks of age
• however, myometrial hyperplasia is not observed in the uteri of mutants
• increase in uterine weight at 2 weeks of age, with weight at 4 weeks greater than in single Pten mutants

• mutants exhibit distant metastases into the ovary, diaphragmatic skeletal muscle, lymph node, colon and pancreas
• development of endometrial cancer is accelerated compared to either single mutant

Mouse Models of Human Disease
OMIM ID Ref(s)
Endometrial Cancer 608089 J:162027

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc
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last database update
MGI 6.07
The Jackson Laboratory