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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Gpr15tm1.1Litt
targeted mutation 1.1, Dan R Littman
MGI:3815547
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Gpr15tm1.1Litt/Gpr15tm1.1Litt B6.129P2-Gpr15tm1.1Litt MGI:4429706
hm2
Gpr15tm1.1Litt/Gpr15tm1.1Litt involves: 129P2/OlaHsd * C57BL/6 MGI:5518931
cx3
Gpr15tm1.1Litt/Gpr15tm1.1Litt
Rag2tm1Fwa/Rag2tm1Fwa
Tg(TcraTcrb)425Cbn/0
involves: 129P2/OlaHsd * 129S/SvEv * BALB/c * C57BL/6 MGI:5518933


Genotype
MGI:4429706
hm1
Allelic
Composition
Gpr15tm1.1Litt/Gpr15tm1.1Litt
Genetic
Background
B6.129P2-Gpr15tm1.1Litt
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gpr15tm1.1Litt mutation (1 available); any Gpr15 mutation (31 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice are viable and fertile

reproductive system
N
• mice are viable and fertile

immune system
N
• Background Sensitivity: mice on a congenic C57BL/6 background exhibit normal proportions of IFN-gamma and IL17A-producing CD4+ T cells in the large intestine lamina propria unlike mice on a mixed background
• mice infected with Citrobacter rodentium exhibit severe weight loss, increased inflammation, increased tissue damage, increased cytokine expression, decreased regulatory T cell numbers in the large intestine lamina propria and death compared with control mice
• in the large intestine lamina propria
• however, the numbers are normal in the small intestine
• small reduction in the large intestine lamina propria
• however, numbers are normal in the small intestine propria and spleen
• in the large intestine lamina propria
• however, the numbers are normal in the small intestine
• reduced percentage and cell number in the large intestine lamina propria
• in mice infected with Citrobacter rodentium
• however, percentages are normal in the small intestine propria and spleen
• regulatory T cells transferred into Rag2 null mice fail to reduce induced colitis unlike wild-type cells
• however, regulatory T cell exhibit normal ability to suppress naive T cell proliferation
• mice infected with Citrobacter rodentium exhibit severe weight loss, increased inflammation, increased tissue damage, increased cytokine expression, decreased regulatory T cell numbers in the large intestine lamina propria and death compared with control mice
• however, pathogen load in the large intestine and spleen is normal

digestive/alimentary system
• mice infected with Citrobacter rodentium exhibit severe weight loss, increased inflammation, increased tissue damage, increased cytokine expression, decreased regulatory T cell numbers in the large intestine lamina propria and death compared with control mice

growth/size/body
• severe in mice infected with Citrobacter rodentium

hematopoietic system
• in the large intestine lamina propria
• however, the numbers are normal in the small intestine
• small reduction in the large intestine lamina propria
• however, numbers are normal in the small intestine propria and spleen
• in the large intestine lamina propria
• however, the numbers are normal in the small intestine
• reduced percentage and cell number in the large intestine lamina propria
• in mice infected with Citrobacter rodentium
• however, percentages are normal in the small intestine propria and spleen
• regulatory T cells transferred into Rag2 null mice fail to reduce induced colitis unlike wild-type cells
• however, regulatory T cell exhibit normal ability to suppress naive T cell proliferation
• bone marrow transplanted into irradiated Foxp3sf mice confers increased susceptibility to Citrobacter rodentium-induced colitis




Genotype
MGI:5518931
hm2
Allelic
Composition
Gpr15tm1.1Litt/Gpr15tm1.1Litt
Genetic
Background
involves: 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gpr15tm1.1Litt mutation (1 available); any Gpr15 mutation (31 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• in the large intestine lamina propria
• Background Sensitivity: mice on a mixed background exhibit increased proportion of IFN-gamma and IL17A-producing CD4+ T cells in the large intestine lamina propria compared with mice on a congenic C57BL/6 background
• Background Sensitivity: mice on a mixed background exhibit increased proportion of IFN-gamma and IL17A-producing CD4+ T cells in the large intestine lamina propria compared with mice on a congenic C57BL/6 background

hematopoietic system
• in the large intestine lamina propria




Genotype
MGI:5518933
cx3
Allelic
Composition
Gpr15tm1.1Litt/Gpr15tm1.1Litt
Rag2tm1Fwa/Rag2tm1Fwa
Tg(TcraTcrb)425Cbn/0
Genetic
Background
involves: 129P2/OlaHsd * 129S/SvEv * BALB/c * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gpr15tm1.1Litt mutation (1 available); any Gpr15 mutation (31 available)
Rag2tm1Fwa mutation (45 available); any Rag2 mutation (119 available)
Tg(TcraTcrb)425Cbn mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• mice fed chicken ovalbumin exhibit a reduced increase the number and frequency of regulatory T cells in the large intestine lamina propria comparted with control mice





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