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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Gpr45em2Zz
endonuclease-mediated mutation 2, Zhao Zhang
MGI:8215535
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Gpr45em2Zz/Gpr45em2Zz C57BL/6J-Gpr45em2Zz MGI:8216707
cn2
Gpr45em2Zz/Gpr45em2Zz
Tg(Pomc-cre)1Lowl/0
B6.Cg-Gpr45em2Zz Tg(Pomc-cre)1Lowl MGI:8216703
cn3
Gpr45em2Zz/Gpr45em2Zz
Mc4rtm3.1(cre)Lowl/Mc4r+
involves: 129S6/SvEvTac * C57BL/6 MGI:8216705
cn4
Gpr45em2Zz/Gpr45em2Zz
Tg(Sim1-cre)1Lowl/0
involves: C57BL/6J * FVB MGI:8216704


Genotype
MGI:8216707
cn1
Allelic
Composition
Gpr45em2Zz/Gpr45em2Zz
Genetic
Background
C57BL/6J-Gpr45em2Zz
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gpr45em2Zz mutation (0 available); any Gpr45 mutation (25 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
• mice injected with an adeno-associated virus (AAV) expressing cre recombinase into the paraventricular nucleus of the hypothalamus exhibit increased body weight, fat weight and lean weight by 7 weeks after injection




Genotype
MGI:8216703
cn2
Allelic
Composition
Gpr45em2Zz/Gpr45em2Zz
Tg(Pomc-cre)1Lowl/0
Genetic
Background
B6.Cg-Gpr45em2Zz Tg(Pomc-cre)1Lowl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gpr45em2Zz mutation (0 available); any Gpr45 mutation (25 available)
Tg(Pomc-cre)1Lowl mutation (1 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
N
• mice exhibit normal body weight and fat weight even at 16 weeks of age
• mice fed a high-fat diet starting at 6 weeks of age and maintained for 4 weeks do not develop obesity




Genotype
MGI:8216705
cn3
Allelic
Composition
Gpr45em2Zz/Gpr45em2Zz
Mc4rtm3.1(cre)Lowl/Mc4r+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gpr45em2Zz mutation (0 available); any Gpr45 mutation (25 available)
Mc4rtm3.1(cre)Lowl mutation (1 available); any Mc4r mutation (46 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
• mice exhibit increased body weight, fat weight and lean weight at 16 weeks of age
• mice fed a high-fat diet starting at 6 weeks of age and maintained for 4 weeks exhibit increased body weight and fat weight

homeostasis/metabolism
• mice fed a high-fat diet starting at 6 weeks of age and maintained for 4 weeks exhibit increased body weight and fat weight




Genotype
MGI:8216704
cn4
Allelic
Composition
Gpr45em2Zz/Gpr45em2Zz
Tg(Sim1-cre)1Lowl/0
Genetic
Background
involves: C57BL/6J * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gpr45em2Zz mutation (0 available); any Gpr45 mutation (25 available)
Tg(Sim1-cre)1Lowl mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
• mice exhibit increased body weight, fate weight and lean weight at 16 weeks of age
• mice fed a high-fat diet starting at 6 weeks of age and maintained for 4 weeks exhibit increased body weight and fat weight

homeostasis/metabolism
• mice fed a high-fat diet starting at 6 weeks of age and maintained for 4 weeks exhibit increased body weight and fat weight





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last database update
03/25/2025
MGI 6.24
The Jackson Laboratory