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Phenotypes Associated with This Genotype
Genotype
MGI:4889211
cx39
Allelic
Composition
Cmahtm1Avrk/Cmahtm1Avrk
Dmdmdx/Dmdmdx
Genetic
Background
involves: 129X1/SvJ * C57BL/10ScSn
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cmahtm1Avrk mutation (5 available); any Cmah mutation (37 available)
Dmdmdx mutation (33 available); any Dmd mutation (167 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• 50% of mice dying by 11 months of age
• mice exhibit decreased life span compared with Dmdmdx homozygotes

muscle
• by 3 months, mice exhibit necrotic foci in the heart unlike wild-type mice
• in the quadriceps at 6 weeks of age
• fibrosis in the diaphragm is increased compared to in Dmdmdx homozygotes
• more severe than in Dmdmdx homozygotes
• at 8 months, mice exhibit impaired diaphragm and cardiac peak force compared with Dmdmdx homozygotes

behavior/neurological
• at 8 months on a rotarod to a greater extent than in Dmdmdx homozygotes
• at 8 months to a greater extent than in Dmdmdx homozygotes

immune system
• in muscles compared to in Dmdmdx homozygotes
• in muscles compared to in Dmdmdx homozygotes

hematopoietic system
• in muscles compared to in Dmdmdx homozygotes
• in muscles compared to in Dmdmdx homozygotes

cardiovascular system
• by 3 months, mice exhibit necrotic foci in the heart unlike wild-type mice


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
01/06/2026
MGI 6.24
The Jackson Laboratory