Phenotypes associated with this allele
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax7tm1(cre)Mrc mutation
(3 available);
any
Pax7 mutation
(39 available)
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normal phenotype
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• homozygotes are normal and fertile
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integument
N |
• no calcification occurs in the fibrous capsule surrounding the muzzle vibrissae
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nervous system
N |
• at E15.5, rhythmic activity in the pre-Botzinger complex is preserved
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neoplasm
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• earlier tumor onset, from 32 to 65 days of age
• bortezomib treated mice have better survival
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nervous system
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• earlier tumor onset, from 32 to 65 days of age
• bortezomib treated mice have better survival
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Myh3tm1.1Sajm mutation
(0 available);
any
Myh3 mutation
(73 available)
Myh3tm1.2Sajm mutation
(0 available);
any
Myh3 mutation
(73 available)
Pax7tm1(cre)Mrc mutation
(3 available);
any
Pax7 mutation
(39 available)
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muscle
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• reduction in myogenic precursor marker Pax7 peptide level and 50% reduction in Pax7+ myogenic precursor cells in E16.5 embryos
• significantly reduced levels of committed myoblast markers MyoD and myogenin peptide levels and 60% reduction in MyoD+ myoblasts in E16.5 embryos
• 7x increased MyHC-slow peptide levels in E16.5 embryos
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cellular
N |
• normal apoptosis in E16.5 embryos
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|
Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax7tm1(cre)Mrc mutation
(3 available);
any
Pax7 mutation
(39 available)
Paxbp1tm1.1Nju mutation
(0 available);
any
Paxbp1 mutation
(44 available)
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm4(EWSR1/ATF1)Mrc mutation
(0 available);
any
Gt(ROSA)26Sor mutation
(944 available)
Pax7tm1(cre)Mrc mutation
(3 available);
any
Pax7 mutation
(39 available)
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mortality/aging
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• live embryos at E18.5 but no live progeny
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craniofacial
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• severe craniofacial deformation
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mortality/aging
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• because of breathing difficulties few mutants survive beyond 3.5 months of age
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neoplasm
N |
• no alveolar rhabdomyosarcomas are detected
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craniofacial
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• agenesis of the rostral premaxilla is seen
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• hypoplasia of the lacrimal bone is seen
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• a narrowed nose is seen
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• the nasal turbinates are underdeveloped
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growth/size/body
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• a narrowed nose is seen
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• the nasal turbinates are underdeveloped
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• at 3 weeks of age mutants weigh less than one-third of wild-type littermates
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• severe growth retardation is seen by 3 weeks of age
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muscle
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• myofiber diameter is reduced
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• the number of satellite cells is reduced
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• myofiber density is increased
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respiratory system
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• a narrowed nose is seen
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• the nasal turbinates are underdeveloped
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skeleton
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• agenesis of the rostral premaxilla is seen
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• hypoplasia of the lacrimal bone is seen
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• the nasal turbinates are underdeveloped
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm2(SS18)Mrc mutation
(0 available);
any
Gt(ROSA)26Sor mutation
(944 available)
Pax7tm1(cre)Mrc mutation
(3 available);
any
Pax7 mutation
(39 available)
|
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mortality/aging
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• no live embryos are recovered
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Find Mice |
Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm3(SS18/EGFP)Mrc mutation
(0 available);
any
Gt(ROSA)26Sor mutation
(944 available)
Pax7tm1(cre)Mrc mutation
(3 available);
any
Pax7 mutation
(39 available)
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mortality/aging
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• no pups are born but they can be recovered at E15.5
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muscle
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• Pax7+ lineage cells are mostly absent except in the proximity to cartilaginous regions of the developing maxilla and nasal turbinates
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behavior/neurological
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• 9 of 30 double heterozygous mice become ataxic starting around 88-100 days of age
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neoplasm
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• tumors invade the subarachnoid space
• evidence of leptomeningeal metastasis
• all ataxic mice have rapidly growing tumors in the cerebellum
• high nuclear to cytoplasm ratio in tumor cells
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nervous system
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• all ataxic mice have rapidly growing tumors in the cerebellum
• high nuclear to cytoplasm ratio in tumor cells
• tumors invade the subarachnoid space
• evidence of leptomeningeal metastasis
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