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Phenotypes Associated with This Genotype
Genotype
MGI:2684337
Allelic
Composition
Gt(ROSA)26Sortm1(Notch1)Dam/Gt(ROSA)26Sor+
Tg(Pdx1-cre)89.1Dam/0
Genetic
Background
involves: 129S4/SvJae * C57BL/6 * ICR
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm1(Notch1)Dam mutation (1 available); any Gt(ROSA)26Sor mutation (1060 available)
Tg(Pdx1-cre)89.1Dam mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• differentiation of exocrine lineages is impaired; progenitors remain trapped in an undifferentiated state

endocrine/exocrine glands
• differentiation of exocrine lineages is impaired; progenitors remain trapped in an undifferentiated state
• differentiation of endocrine lineages is impaired; progenitors remain trapped in an undifferentiated state
• at E15.5, alpha cell numbers are reduced 8-fold
• at E15.5, beta cell numbers are reduced nearly 100-fold
• pancreatic epithelium at E17.5 is translucent, cystic and comprised of highly branched, tubular epithelium with few distinct acini
• newborn pancreas exhibits convoluted epithelium in a fibroblastic stroma instead of acinar and islet tissue
• differentiation of exocrine and endocrine progenitor cells is impaired


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
12/30/2025
MGI 6.24
The Jackson Laboratory