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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tg(Foxa3-cre)1Khk
transgene insertion 1, Klaus H Kaestner
MGI:2664968
Summary 8 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Sox17tm1Jaw/Sox17tm1Sjm
Tg(Foxa3-cre)1Khk/0
involves: 129 * C57BL/6 * DBA MGI:4356148
cn2
Foxa2tm1Khk/Foxa2tm1Khk
Tg(Foxa3-cre)1Khk/0
involves: 129P2/OlaHsd * C57BL/6 * CD-1 * DBA MGI:3700827
cn3
Cdk5rap3tm1c(EUCOMM)Hmgu/Cdk5rap3tm1c(EUCOMM)Hmgu
Tg(Foxa3-cre)1Khk/0
involves: 129S4/SvJaeSor * C57BL/6N * DBA MGI:6295910
cn4
Klf4tm1Khk/Klf4tm1Khk
Tg(Foxa3-cre)1Khk/0
involves: 129S6/SvEvTac * C57BL/6 * DBA MGI:3700826
cn5
Sox17tm1Jaw/Sox17tm1Jaw
Tg(Foxa3-cre)1Khk/0
involves: 129S6/SvEvTac * C57BL/6 * DBA MGI:4356147
cn6
Hhextm1Cwb/Hhextm2Cwb
Tg(Foxa3-cre)1Khk/?
involves: 129X1/SvJ * C57BL/6 * DBA * SJL MGI:3721922
cn7
Tg(Erbb2*)#Maed/0
Tg(Foxa3-cre)1Khk/0
involves: C57BL/6 * C57BL/6J * DBA MGI:6192631
cn8
Cdx2tm1Khk/Cdx2tm1Khk
Tg(Foxa3-cre)1Khk/0
involves: C57BL/6 * DBA * SJL MGI:3848933


Genotype
MGI:4356148
cn1
Allelic
Composition
Sox17tm1Jaw/Sox17tm1Sjm
Tg(Foxa3-cre)1Khk/0
Genetic
Background
involves: 129 * C57BL/6 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Sox17tm1Jaw mutation (1 available); any Sox17 mutation (29 available)
Sox17tm1Sjm mutation (1 available); any Sox17 mutation (29 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• at E9.5, Ipfl (Pdx1)+ cells are found throughout the liver bud unlike in control mice
• at E10.5, the biliary/gall bladder primordium is absent unlike in control mice
• however, cell proliferation and apoptosis rates are normal

liver/biliary system
• at E9.5, Ipfl (Pdx1)+ cells are found throughout the liver bud unlike in control mice
• at E10.5, the biliary/gall bladder primordium is absent unlike in control mice
• however, cell proliferation and apoptosis rates are normal




Genotype
MGI:3700827
cn2
Allelic
Composition
Foxa2tm1Khk/Foxa2tm1Khk
Tg(Foxa3-cre)1Khk/0
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6 * CD-1 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxa2tm1Khk mutation (1 available); any Foxa2 mutation (28 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most die by P3, with a few surviving to P5

growth/size/body

endocrine/exocrine glands
• the number of mature glucagon-positive pancreatic alpha-cells is reduced
• islets are irregularly shaped and display a disorganized architecture with many small clusters of endocrine cells embedded in the exocrine tissue

homeostasis/metabolism
• severely hypoglycemic
• 50% reduction of plasma glucagon

integument




Genotype
MGI:6295910
cn3
Allelic
Composition
Cdk5rap3tm1c(EUCOMM)Hmgu/Cdk5rap3tm1c(EUCOMM)Hmgu
Tg(Foxa3-cre)1Khk/0
Genetic
Background
involves: 129S4/SvJaeSor * C57BL/6N * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdk5rap3tm1c(EUCOMM)Hmgu mutation (0 available); any Cdk5rap3 mutation (20 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mice began to die after weaning
• however, supplementation with glucose after weaning rescues come mortality

liver/biliary system
• defective at 1 months with disorganized tubular structures extending away from portal tracts
• however, parenchyma organization at 0.5 months is normal
• smaller cell area at 1 month of age
• reduced hepatocyte maturation
• hepatocytes exhibit perturbed endoplasmic reticulum homeostasis (increased ER stress and activated unfolded protein response) compared with control cells

homeostasis/metabolism
• at 1 month of age in fasted and fed mice
• however, serum aspartate transaminase levels are normal

growth/size/body
• from 1 week of age




Genotype
MGI:3700826
cn4
Allelic
Composition
Klf4tm1Khk/Klf4tm1Khk
Tg(Foxa3-cre)1Khk/0
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Klf4tm1Khk mutation (1 available); any Klf4 mutation (26 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
digestive/alimentary system
• polypoid lesions of the mucosa are present at 1 year of age, but no inflammation, dysplasia, or malignancies are seen in the gastric epithelia at any time
• by 6 months of age, exhibit severe distortion of gastric pit glands
• number of pit cells is increased about 2-fold
• mature zymogenic cells are decreased by more than 50%
• 50% decrease in the number of parietal cells
• starting at 2 weeks of age, begin to show mucous cell hyperplasia
• number of mucous neck cells per gland is increased 4-fold
• exhibit increased proliferation and altered differentiation of the gastric epithelia
• show progressive gastric hypertrophy beginning at 2 weeks of age

neoplasm
• mutants display aberrant expression of acidic mucins and TFF2/SP-positive cells, indicative of premalignant conditions, but no inflammation, intestinal metaplasia, dysplasia, or cancer up to 1 year of age

endocrine/exocrine glands
• by 6 months of age, exhibit severe distortion of gastric pit glands
• number of pit cells is increased about 2-fold
• mature zymogenic cells are decreased by more than 50%
• 50% decrease in the number of parietal cells
• number of mucous neck cells per gland is increased 4-fold




Genotype
MGI:4356147
cn5
Allelic
Composition
Sox17tm1Jaw/Sox17tm1Jaw
Tg(Foxa3-cre)1Khk/0
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Sox17tm1Jaw mutation (1 available); any Sox17 mutation (29 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• at E9.5, Ipfl (Pdx1)+ cells are found throughout the liver bud unlike in control mice
• at E10.5, the biliary/gall bladder primordium is absent unlike in control mice
• however, cell proliferation and apoptosis rates are normal
• at E16.5, 50% of mice exhibit ectopic pancreatic tissue in the common duct unlike control mice
• at E16.5

liver/biliary system
• at E9.5, Ipfl (Pdx1)+ cells are found throughout the liver bud unlike in control mice
• at E10.5, the biliary/gall bladder primordium is absent unlike in control mice
• however, cell proliferation and apoptosis rates are normal
• at E16.5, 50% of mice exhibit ectopic pancreatic tissue in the common duct unlike control mice
• at E16.5




Genotype
MGI:3721922
cn6
Allelic
Composition
Hhextm1Cwb/Hhextm2Cwb
Tg(Foxa3-cre)1Khk/?
Genetic
Background
involves: 129X1/SvJ * C57BL/6 * DBA * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hhextm1Cwb mutation (0 available); any Hhex mutation (17 available)
Hhextm2Cwb mutation (1 available); any Hhex mutation (17 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

liver/biliary system
• at E13.5, the extrahepatic bile duct (EHBD) is absent and normal EHBD epithelium is replaced by pseudostratified epithelium resembling the duodenum
• at E16.5, the duodenal-like mucosa extends from the duodenum to the liver hilum
• at E16.5, dilated hepatic ducts and biliary cysts lined by cuboidal epithelium are present at the liver hilum
• at E16.5, biliary cysts are present at the liver hilum
• at E10.5, gall bladder primordium could not be detected by Onecut1 staining
• at E16.5, the ventral liver periphery has lost its cohesive structure and bloods cells are trapped or pool in this region
• at E18.5, normal hepatic architecture is disrupted
• at E18.5, livers exhibit large dilated duct-like structures
• at E18.5, livers are extremely cystic with large dilated duct-like structures and many smaller cysts
• at E13.5, the liver is hypoplastic

endocrine/exocrine glands
• at E13.5, the extrahepatic bile duct (EHBD) is absent and normal EHBD epithelium is replaced by pseudostratified epithelium resembling the duodenum
• at E16.5, the duodenal-like mucosa extends from the duodenum to the liver hilum
• at E16.5, dilated hepatic ducts and biliary cysts lined by cuboidal epithelium are present at the liver hilum
• at E18.5, livers exhibit large dilated duct-like structures
• at E16.5, biliary cysts are present at the liver hilum
• at E10.5, gall bladder primordium could not be detected by Onecut1 staining

growth/size/body
• at E16.5, biliary cysts are present at the liver hilum
• at E18.5, livers are extremely cystic with large dilated duct-like structures and many smaller cysts




Genotype
MGI:6192631
cn7
Allelic
Composition
Tg(Erbb2*)#Maed/0
Tg(Foxa3-cre)1Khk/0
Genetic
Background
involves: C57BL/6 * C57BL/6J * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tg(Erbb2*)#Maed mutation (0 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most mice die within 10 weeks after birth

neoplasm
• papillary epithelial cells show dysplasia of low- to high-grades, resembling human intraductal papillary mucinous neoplasm with focal high-grade dysplasia

digestive/alimentary system
• loss of acinar cells in the pancreatic parenchyma, broad cystic changes, and elevated papillary lesions

endocrine/exocrine glands
• mice develop cystic lesions exhibiting papillary proliferation in almost all pancreatic tissue at 8 weeks of age
• loss of acinar cells in the pancreatic parenchyma, broad cystic changes, and elevated papillary lesions
• papillary epithelial cells show dysplasia of low- to high-grades, resembling human intraductal papillary mucinous neoplasm with focal high-grade dysplasia

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
benign neoplasm DOID:0060072 J:262746




Genotype
MGI:3848933
cn8
Allelic
Composition
Cdx2tm1Khk/Cdx2tm1Khk
Tg(Foxa3-cre)1Khk/0
Genetic
Background
involves: C57BL/6 * DBA * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdx2tm1Khk mutation (0 available); any Cdx2 mutation (22 available)
Tg(Foxa3-cre)1Khk mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

digestive/alimentary system
• at E14.5, mice exhibit a progressive defects in elongation compared with wild-type mice
• at E14.5, distal intestine contains a dilated gut lumen unlike in wild-type mice
• posterior gut region abnormalities are evident as early as E12.5
• terminal differentiation is severely impaired
• the intestine ends in an abnormal distal structure that terminates in a blind-sac
• mice exhibit intestinal obstruction unlike in wild-type mice
• at E16.5, mice exhibit a severe shortening of the intestine unlike in wild-type mice
• the posterior intestine is anteriorized
• terminal differentiation is severely impaired
• proximal and medial intestinal epithelia is less organized compared to in wild-type mice
• the cuboidal epithelia of the jejunum and ileum is replaced with a flattened epithelium
• duodenum epithelial cell proliferation is increased more than 20% compared to in wild-type mice
• however, apoptosis rates of duodenum epithelial cells are normal
• differentiation of gastric glandular epithelial cells cannot be detected
• posterior intestinal epithelial cells contain tonofilaments unlike in wild-type cells
• terminal differentiation is severely impaired
• the mutant ileum and cecum lack villi entirely
• no colon forms
• the duodenum contains villus-like epithelial foldings that are stunted and broadened compared to in wild-type mice
• duodenum epithelial cell proliferation is increased more than 20% compared to in wild-type mice
• however, apoptosis rates of duodenum epithelial cells are normal
• the duodenum becomes progressively distended and translucent likely due to fluid retention caused by distal obstruction
• by E18.5, the duodenum is dilated 5- to 7-fold compared to in wild-type mice
• the mutant ileum and cecum lack villi entirely
• at E16.5, mice exhibit villus hypoplasia
• at E18.5, reduced villus increases in severity from anterior to posterior

cellular
• terminal differentiation is severely impaired





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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory