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Phenotypes Associated with This Genotype
Genotype
MGI:6114152
Allelic
Composition
Cav3tm1Ncnp/Cav3tm1Ncnp
Genetic
Background
involves: 129S4/SvJae * C57BL/10
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cav3tm1Ncnp mutation (4 available); any Cav3 mutation (24 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• cardiac myocyte disorganization, where myocytes form in a criss-crossed fashion, overlapping one another
• distention or separation of the myocardial and endocardial cell layers of the atria occurs at E17.5
• atrial trabecular formation is impaired such that trabeculae at E14.5 are short and stubby

muscle
• atrial trabecular formation is impaired such that trabeculae at E14.5 are short and stubby
• cultured embryonic muscle stem cells from E15.5 to E17.5 exhibit hyperproliferation and apoptosis
• Pax7+ skeletal muscle stem cell population is reduced and disorganized at E17.5
• myotubes are hypertrophic in E13.5-E17.5 muscles
• myonuclei of myotubes are closer together and exhibit severely disrupted myonuclei spacing and nuclei bunching, especially at the ends of myotubes, at E17.5
• only central nuclei (not peripheral) are present in E15.5 muscles
• myotubes contain 2x as many myonuclei as wild-type myotubes at E13.5-E17.5
• muscles exhibit an excess of myotubes at E13.5-E17.5
• however, no myotube fiber splitting is seen and intercostal myotubes are aligned correctly
• cardiac myocyte disorganization, where myocytes form in a criss-crossed fashion, overlapping one another
• only central nuclei (not peripheral) are present in E15.5 muscles

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
rippling muscle disease 2 DOID:0060255 OMIM:606072
J:150127


Contributing Projects:
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
10/29/2024
MGI 6.24
The Jackson Laboratory