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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Fgf8tm1Jyhl
targeted mutation 1, James Y H Li
MGI:4430252
Summary 1 genotype
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Fgf8tm1Jyhl/Fgf8tm1Jyhl involves: CD-1 MGI:4430254


Genotype
MGI:4430254
hm1
Allelic
Composition
Fgf8tm1Jyhl/Fgf8tm1Jyhl
Genetic
Background
involves: CD-1
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fgf8tm1Jyhl mutation (0 available); any Fgf8 mutation (18 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
• the heart mesoderm is evident but severely malformed at E8.5 in 8% of the mutants (2/25)
• a cell mass of the nascent mesoderm in the posterior region, bulging into the amniotic cavity at E7.5
• few mesodermal cells outside of the primitive streak in the embryonic region at E7.5
• absent embryonic mesoderm derived structures at E8.5 in 92% of the mutant (23/25)
• normal extraembryonic mesoderm
• the headfold is evident but severely malformed at E8.5 in 8% of the mutants (2/25)
• mesodermal cells accumulate at the primitive streak at E7.5
• the somites are evident but severely malformed at E8.5 in 8% of the mutants (2/25)

cardiovascular system
• the heart mesoderm is evident but severely malformed at E8.5 in 8% of the mutants (2/25)





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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
05/07/2024
MGI 6.23
The Jackson Laboratory