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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Hand1tm2.1Jcc
targeted mutation 2.1, James C Cross
MGI:5544632
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Hand1tm2.1Jcc/Hand1tm2.1Jcc involves: 129S1/Sv * 129X1/SvJ MGI:5544641
ht2
Hand1tm2.1Jcc/Hand1+ involves: 129S1/Sv * 129X1/SvJ MGI:5544640
ht3
Hand1tm1Jcc/Hand1tm2.1Jcc involves: 129S1/Sv * 129X1/SvJ MGI:5544639


Genotype
MGI:5544641
hm1
Allelic
Composition
Hand1tm2.1Jcc/Hand1tm2.1Jcc
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hand1tm2.1Jcc mutation (0 available); any Hand1 mutation (14 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

reproductive system
• at E10.5, all mice exhibit smaller labyrinth/implantation sites compared with wild-type mice

embryo
• decreased somite number at E10.5
• reduced cells in all mice
• limited branching morphogenesis of the labyrinth
• at E10.5, all mice exhibit smaller labyrinth/implantation sites compared with wild-type mice
• in 11 of 19 mice
• however, mice exhibit normal endoderm and mesoderm in the yolk sac vasculature
• failure of chorioallantoic attachment in 7 of 19 mice at E10.5

cardiovascular system
• in 10 of 19 mice at E10.5
• under-developed in some mice at E10.5
• in some mice at E10.5
• thin and less trabeculated at E10.5

craniofacial
• in 4 of 19 mice at E10.5

nervous system

growth/size/body
• reduced crown rump length




Genotype
MGI:5544640
ht2
Allelic
Composition
Hand1tm2.1Jcc/Hand1+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hand1tm2.1Jcc mutation (0 available); any Hand1 mutation (14 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• in 2 of 19 mice at E10.5

craniofacial
• in 2 of 19 mice at E10.5

embryo
• failure of chorioallantoic attachment in 1 of 19 mice at E10.5




Genotype
MGI:5544639
ht3
Allelic
Composition
Hand1tm1Jcc/Hand1tm2.1Jcc
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hand1tm1Jcc mutation (0 available); any Hand1 mutation (14 available)
Hand1tm2.1Jcc mutation (0 available); any Hand1 mutation (14 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• fewer than expected mice are produced
• however, surviving mice are normal
• two-thirds of mice die between E10.5 and E14.5

embryo
• in 1 of 7 mice
• reduced cells in 1 of 7 mice
• limited branching morphogenesis of the labyrinth in 1 of 17 mice at E10.5
• in 1 of 17 mice

cardiovascular system
• in 7 of 17 mice at E10.5

craniofacial
• in 4 of 17 mice at E10.5

nervous system





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last database update
04/16/2024
MGI 6.23
The Jackson Laboratory