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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Mir122tm1.2Kgh
targeted mutation 1.2, Kalpana Ghoshal
MGI:5448466
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Mir122tm1.2Kgh/Mir122+
Speer6-ps1Tg(Alb-cre)21Mgn/Speer6-ps1+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * DBA MGI:5448536
cn2
Mir122tm1.2Kgh/Mir122tm1.2Kgh
Speer6-ps1Tg(Alb-cre)21Mgn/Speer6-ps1+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * DBA MGI:5448537


Genotype
MGI:5448536
cn1
Allelic
Composition
Mir122tm1.2Kgh/Mir122+
Speer6-ps1Tg(Alb-cre)21Mgn/Speer6-ps1+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mir122tm1.2Kgh mutation (1 available); any Mir122 mutation (9 available)
Speer6-ps1Tg(Alb-cre)21Mgn mutation (6 available); any Speer6-ps1 mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• in 2 of 6 mice at 20 months

liver/biliary system
• in 2 of 6 mice at 20 months




Genotype
MGI:5448537
cn2
Allelic
Composition
Mir122tm1.2Kgh/Mir122tm1.2Kgh
Speer6-ps1Tg(Alb-cre)21Mgn/Speer6-ps1+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * DBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mir122tm1.2Kgh mutation (1 available); any Mir122 mutation (9 available)
Speer6-ps1Tg(Alb-cre)21Mgn mutation (6 available); any Speer6-ps1 mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Abnormal liver structure in Mir122tm1.2Kgh/Mir122tm1.2Kgh Speer6-ps1Tg(Alb-cre)21Mgn/0 mice

endocrine/exocrine glands

homeostasis/metabolism
• in tumor-bearing male mice
• increase in serum gamma-glutamyl transpeptidase
• 2-fold as early as 5 weeks of age
• in tumor-bearing mice
• 2.5-fold at 8 to 10 weeks of age
• at 6 months of age
• mice exhibit a small increase in de novo triglyceride synthesis compared with control mice
• as early as 5 weeks of age
• as early as 5 weeks of age
• as early as 5 weeks of age
• in tumor-bearing mice
• 2.5-fold at 8 to 10 weeks of age
• at 6 months of age

liver/biliary system
• 2.5-fold at 8 to 10 weeks of age
• at 6 months of age
• 2.5-fold at 8 to 10 weeks of age
• at 6 months of age
• at 12 to 17 months, 13 of 26 male mice develop liver tumors
• in 2 of 20 mice at 12 to 17 months of age
• mice exhibit a small increase in de novo triglyceride synthesis and reduced triglyceride secretion in the liver compared with control mice
• steatohepatitis with bridging fibrosis
• recruitment of monocytes and neutrophils to the liver
• increased proliferation

neoplasm
• at 12 to 17 months, 13 of 26 male mice develop liver tumors
• in 2 of 20 mice at 12 to 17 months of age

immune system
• 3-fold in the liver at 10 months
• 3-fold in the liver at 10 months
• in tumor-bearing male mice
• from monocytes and neutrophils in the liver
• from monocytes and neutrophils in the liver
• steatohepatitis with bridging fibrosis
• recruitment of monocytes and neutrophils to the liver

hematopoietic system
• 3-fold in the liver at 10 months
• 3-fold in the liver at 10 months





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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
04/30/2024
MGI 6.23
The Jackson Laboratory