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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Pax7tm1(cre)Mrc
targeted mutation 1, Mario R Capecchi
MGI:3497712
Summary 11 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:3510832
cn2
Abcc6tm1c(EUCOMM)Wtsi/Abcc6tm1c(EUCOMM)Wtsi
Pax7tm1(cre)Mrc/?
B6.Cg-Pax7tm1(cre)Mrc Abcc6tm1c(EUCOMM)Wtsi MGI:6241508
cn3
Dbx1tm1(DTA)Apie/Dbx1+
Pax7tm1(cre)Mrc/Pax7+
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:4837354
cn4
Ptch1tm1Cklr/Ptch1+
Trp53tm1Brn/?
Pax7tm1(cre)Mrc/Pax7+
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL MGI:4453164
cn5
Myh3tm1.2Sajm/Myh3tm1.1Sajm
Pax7tm1(cre)Mrc/Pax7+
involves: 129S1/Sv * 129S4/SvJaeSor * 129X1/SvJ * C57BL/6J MGI:6695908
cn6
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc
Paxbp1tm1.1Nju/Paxbp1tm1.1Nju
involves: 129S1/Sv * 129X1/SvJ MGI:6827450
cn7
Gt(ROSA)26Sortm4(EWSR1/ATF1)Mrc/Gt(ROSA)26Sor+
Pax7tm1(cre)Mrc/Pax7+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:5495314
cn8
Pax3tm1Mrc/Pax3+
Pax7tm1(cre)Mrc/Pax7+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:3510831
cn9
Gt(ROSA)26Sortm2(SS18)Mrc/Gt(ROSA)26Sortm2(SS18)Mrc
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:3710998
cn10
Gt(ROSA)26Sortm3(SS18/EGFP)Mrc/Gt(ROSA)26Sortm3(SS18/EGFP)Mrc
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:3710999
cn11
Ptch1tm1Cklr/Ptch1+
Pax7tm1(cre)Mrc/Pax7+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL MGI:4453163


Genotype
MGI:3510832
hm1
Allelic
Composition
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax7tm1(cre)Mrc mutation (3 available); any Pax7 mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• homozygotes are normal and fertile




Genotype
MGI:6241508
cn2
Allelic
Composition
Abcc6tm1c(EUCOMM)Wtsi/Abcc6tm1c(EUCOMM)Wtsi
Pax7tm1(cre)Mrc/?
Genetic
Background
B6.Cg-Pax7tm1(cre)Mrc Abcc6tm1c(EUCOMM)Wtsi
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Abcc6tm1c(EUCOMM)Wtsi mutation (1 available); any Abcc6 mutation (74 available)
Pax7tm1(cre)Mrc mutation (3 available); any Pax7 mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
integument
N
• no calcification occurs in the fibrous capsule surrounding the muzzle vibrissae




Genotype
MGI:4837354
cn3
Allelic
Composition
Dbx1tm1(DTA)Apie/Dbx1+
Pax7tm1(cre)Mrc/Pax7+
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Dbx1tm1(DTA)Apie mutation (1 available); any Dbx1 mutation (25 available)
Pax7tm1(cre)Mrc mutation (3 available); any Pax7 mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• at E15.5, rhythmic activity in the pre-Botzinger complex is preserved




Genotype
MGI:4453164
cn4
Allelic
Composition
Ptch1tm1Cklr/Ptch1+
Trp53tm1Brn/?
Pax7tm1(cre)Mrc/Pax7+
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax7tm1(cre)Mrc mutation (3 available); any Pax7 mutation (39 available)
Ptch1tm1Cklr mutation (1 available); any Ptch1 mutation (115 available)
Trp53tm1Brn mutation (18 available); any Trp53 mutation (232 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• earlier tumor onset, from 32 to 65 days of age
• bortezomib treated mice have better survival

nervous system
• earlier tumor onset, from 32 to 65 days of age
• bortezomib treated mice have better survival




Genotype
MGI:6695908
cn5
Allelic
Composition
Myh3tm1.2Sajm/Myh3tm1.1Sajm
Pax7tm1(cre)Mrc/Pax7+
Genetic
Background
involves: 129S1/Sv * 129S4/SvJaeSor * 129X1/SvJ * C57BL/6J
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)
phenotype observed in females
phenotype observed in males
N normal phenotype
muscle
• 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

cellular
N
• normal apoptosis in E16.5 embryos




Genotype
MGI:6827450
cn6
Allelic
Composition
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc
Paxbp1tm1.1Nju/Paxbp1tm1.1Nju
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ
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)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:5495314
cn7
Allelic
Composition
Gt(ROSA)26Sortm4(EWSR1/ATF1)Mrc/Gt(ROSA)26Sor+
Pax7tm1(cre)Mrc/Pax7+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
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)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging

craniofacial
• severe craniofacial deformation




Genotype
MGI:3510831
cn8
Allelic
Composition
Pax3tm1Mrc/Pax3+
Pax7tm1(cre)Mrc/Pax7+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax3tm1Mrc mutation (1 available); any Pax3 mutation (50 available)
Pax7tm1(cre)Mrc mutation (3 available); any Pax7 mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• because of breathing difficulties few mutants survive beyond 3.5 months of age

neoplasm
N
• no alveolar rhabdomyosarcomas are detected

craniofacial
• agenesis of the rostral premaxilla is seen
• hypoplasia of the lacrimal bone is seen
• a narrowed nose is seen
• the nasal turbinates are underdeveloped

growth/size/body
• a narrowed nose is seen
• the nasal turbinates are underdeveloped
• at 3 weeks of age mutants weigh less than one-third of wild-type littermates
• severe growth retardation is seen by 3 weeks of age

muscle
• myofiber diameter is reduced
• muscle mass is reduced
• the number of satellite cells is reduced
• myofiber density is increased

respiratory system
• a narrowed nose is seen
• the nasal turbinates are underdeveloped

skeleton
• agenesis of the rostral premaxilla is seen
• hypoplasia of the lacrimal bone is seen
• the nasal turbinates are underdeveloped




Genotype
MGI:3710998
cn9
Allelic
Composition
Gt(ROSA)26Sortm2(SS18)Mrc/Gt(ROSA)26Sortm2(SS18)Mrc
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
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)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging




Genotype
MGI:3710999
cn10
Allelic
Composition
Gt(ROSA)26Sortm3(SS18/EGFP)Mrc/Gt(ROSA)26Sortm3(SS18/EGFP)Mrc
Pax7tm1(cre)Mrc/Pax7tm1(cre)Mrc
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
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)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• no pups are born but they can be recovered at E15.5

muscle
• Pax7+ lineage cells are mostly absent except in the proximity to cartilaginous regions of the developing maxilla and nasal turbinates




Genotype
MGI:4453163
cn11
Allelic
Composition
Ptch1tm1Cklr/Ptch1+
Pax7tm1(cre)Mrc/Pax7+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pax7tm1(cre)Mrc mutation (3 available); any Pax7 mutation (39 available)
Ptch1tm1Cklr mutation (1 available); any Ptch1 mutation (115 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
behavior/neurological
• 9 of 30 double heterozygous mice become ataxic starting around 88-100 days of age

neoplasm
• 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

nervous system
• 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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last database update
04/30/2024
MGI 6.23
The Jackson Laboratory