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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Tg(Mef2c-cre)#Blk
transgene insertion, Brian L Black
MGI:4940068
Summary 5 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Hand2tm1Dsr/Hand2tm2.1Dsr
Tg(Mef2c-cre)#Blk/0
involves: 129 * 129S7/SvEvBrd * C57BL/6 MGI:4940093
cn2
Nkx2-5tm1Krc/Nkx2-5tm1Krc
Tg(Mef2c-cre)#Blk/0
involves: 129 * C57BL/6 MGI:5643690
cn3
Arhgef25tm1.1Xya/Arhgef25tm1.1Xya
Tg(Mef2c-cre)#Blk/0
involves: 129S4/SvJaeSor * C57BL/6 MGI:5426697
cn4
Irx3tm3Hui/Irx3tm3Hui
Irx5tm3Hui/Irx5tm3Hui
Tg(Mef2c-cre)#Blk/0
Not Specified MGI:5444487
cn5
Zic3tm1.1Smwa/Y
Tg(Mef2c-cre)#Blk/0
Not Specified MGI:5476841


Genotype
MGI:4940093
cn1
Allelic
Composition
Hand2tm1Dsr/Hand2tm2.1Dsr
Tg(Mef2c-cre)#Blk/0
Genetic
Background
involves: 129 * 129S7/SvEvBrd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hand2tm1Dsr mutation (0 available); any Hand2 mutation (12 available)
Hand2tm2.1Dsr mutation (0 available); any Hand2 mutation (12 available)
Tg(Mef2c-cre)#Blk mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

cardiovascular system
• immature truncus arteriosis
• mice lack the anlage of the tricuspid valve between the right atrium and ventricle unlike wild-type mice
• at E9.5 but not as severely as in Hand2tm1Dsr homozygotes

muscle




Genotype
MGI:5643690
cn2
Allelic
Composition
Nkx2-5tm1Krc/Nkx2-5tm1Krc
Tg(Mef2c-cre)#Blk/0
Genetic
Background
involves: 129 * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Nkx2-5tm1Krc mutation (0 available); any Nkx2-5 mutation (21 available)
Tg(Mef2c-cre)#Blk mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• early embryonic lethality at E10-E10.5

cardiovascular system
• foreshortened outflow tract
• loss of right ventricle




Genotype
MGI:5426697
cn3
Allelic
Composition
Arhgef25tm1.1Xya/Arhgef25tm1.1Xya
Tg(Mef2c-cre)#Blk/0
Genetic
Background
involves: 129S4/SvJaeSor * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Arhgef25tm1.1Xya mutation (0 available); any Arhgef25 mutation (37 available)
Tg(Mef2c-cre)#Blk mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• mice are born in the expected Mendelian ratio

cardiovascular system
N
• mice exhibit normal development of the second heart field




Genotype
MGI:5444487
cn4
Allelic
Composition
Irx3tm3Hui/Irx3tm3Hui
Irx5tm3Hui/Irx5tm3Hui
Tg(Mef2c-cre)#Blk/0
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Irx3tm3Hui mutation (0 available); any Irx3 mutation (25 available)
Irx5tm3Hui mutation (0 available); any Irx5 mutation (31 available)
Tg(Mef2c-cre)#Blk mutation (0 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• recapitulates outflow tract abnormalities seen in germ line double null mice




Genotype
MGI:5476841
cn5
Allelic
Composition
Zic3tm1.1Smwa/Y
Tg(Mef2c-cre)#Blk/0
Genetic
Background
Not Specified
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tg(Mef2c-cre)#Blk mutation (0 available)
Zic3tm1.1Smwa mutation (0 available); any Zic3 mutation (38 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• viable with no cardiac looping defects detected





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