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Phenotypes Associated with This Genotype
Genotype
MGI:6382285
cx5
Allelic
Composition
Raratm1Ipc/Raratm2Ipc
Rargtm1Ipc/Rarg+
Genetic
Background
involves: 129S2/SvPas
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Raratm1Ipc mutation (0 available); any Rara mutation (79 available)
Raratm2Ipc mutation (0 available); any Rara mutation (79 available)
Rargtm1Ipc mutation (1 available); any Rarg mutation (151 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• a third cartilaginous pillar is fused ventrally to the basisphenoid bone to form a cartilaginous medial wall to the cavum epiptericum unlike in wild-type mice
• shortened braincase and compression by intracranial ectopic cartilaginous and bony nodules in non-exencephalic mice at E18.5
• never closes
• frequently fused to the incus, which is continuous with a rostrally oriented cartilaginous or osseous rod
• dysplasia in some mice
• in some mice
• continuous with a rostrally oriented cartilaginous or osseous rod, which is frequently fused with the alisphenoid bone
• larger than in wild-type mice
• duplication of cartilaginous nasal septum
• in 3 of 11 mice
• in 2 of 11 mice
• fusion of cervical neural arches in all mice
• dyssymphysis of cervical neural arches in 10 of 11 mice
• C2 to C1 in 7 of 11 mice
• C6 to C5 in 8 of 11 mice
• C7 to C6 in 8 of 11 mice
• C7 to T1 of T2 in 3 of 11 mice

hearing/vestibular/ear
• continuous with a rostrally oriented cartilaginous or osseous rod, which is frequently fused with the alisphenoid bone
• larger than in wild-type mice

nervous system
• in two exencephalic mice at E18.5
• secondary to increased intracranial pressure caused by shortened braincase and compression by intracranial ectopic cartilaginous and bony nodules in 2 of 5 mice at E18.5
• failure of the rostral interhemispheric commissures (corpus callosum, hippocampal commissure and anterior commissure) in 2 of 5 mice at E18.5
• small in two exencephalic mice at E18.5
• in two exencephalic mice at E18.5
• in two exencephalic mice at E18.5
• ectopic cartilaginous and bony nodules at E18.5

vision/eye
• in 4 of 12 mice
• in 4 of 12 mice
• in all mice

endocrine/exocrine glands
• bilateral (1 of 5 mice) or unilateral (3 of 5 mice) cystic epithelial formations within the parenchyma
• bilateral in 1 of 5 mice, unilateral in 3 of 5 mice
• bilateral in 1 of 5 mice, unilateral in 3 of 5 mice
• bilateral in 1 of 5 mice, unilateral in 3 of 5 mice
• bilateral cystic dysplasia in 2 of 5 mice
• shortened in all mice
• in all mice

cardiovascular system
• in two exencephalic mice at E18.5

craniofacial
• a third cartilaginous pillar is fused ventrally to the basisphenoid bone to form a cartilaginous medial wall to the cavum epiptericum unlike in wild-type mice
• shortened braincase and compression by intracranial ectopic cartilaginous and bony nodules in non-exencephalic mice at E18.5
• never closes
• frequently fused to the incus, which is continuous with a rostrally oriented cartilaginous or osseous rod
• dysplasia in some mice
• in some mice
• continuous with a rostrally oriented cartilaginous or osseous rod, which is frequently fused with the alisphenoid bone
• larger than in wild-type mice
• cleft of the median upper lip in some mice
• duplication of cartilaginous nasal septum

digestive/alimentary system
• bilateral (1 of 5 mice) or unilateral (3 of 5 mice) cystic epithelial formations within the parenchyma
• bilateral in 1 of 5 mice, unilateral in 3 of 5 mice
• bilateral in 1 of 5 mice, unilateral in 3 of 5 mice
• bilateral in 1 of 5 mice, unilateral in 3 of 5 mice
• bilateral cystic dysplasia in 2 of 5 mice
• shortened in all mice

growth/size/body
• dysplasia in some mice
• in some mice
• cleft of the median upper lip in some mice
• duplication of cartilaginous nasal septum

respiratory system
• duplication of cartilaginous nasal septum


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
03/18/2025
MGI 6.24
The Jackson Laboratory