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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Smad1tm1Abr
targeted mutation 1, Anita B Roberts
MGI:2386127
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Smad1tm1Abr/Smad1tm1Abr B.129S-Smad1tm1Abr MGI:5009238
hm2
Smad1tm1Abr/Smad1tm1Abr involves: 129S/SvEv MGI:3805997
cn3
Smad1tm1Abr/Smad1tm1.1Abr
Tg(Col2a1-cre)1Bhr/0
involves: BALB/cJ * C57 * C57BL/6 * SJL MGI:5009239
cn4
Smad1tm1Abr/Smad1tm1.1Abr
Tg(Col1a1-cre)1Kry/0
involves: BALB/cJ * C57 * FVB MGI:5009240


Genotype
MGI:5009238
hm1
Allelic
Composition
Smad1tm1Abr/Smad1tm1Abr
Genetic
Background
B.129S-Smad1tm1Abr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smad1tm1Abr mutation (1 available); any Smad1 mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• mice are viable




Genotype
MGI:3805997
hm2
Allelic
Composition
Smad1tm1Abr/Smad1tm1Abr
Genetic
Background
involves: 129S/SvEv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smad1tm1Abr mutation (1 available); any Smad1 mutation (32 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
N
• viable mice are produced




Genotype
MGI:5009239
cn3
Allelic
Composition
Smad1tm1Abr/Smad1tm1.1Abr
Tg(Col2a1-cre)1Bhr/0
Genetic
Background
involves: BALB/cJ * C57 * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smad1tm1.1Abr mutation (0 available); any Smad1 mutation (32 available)
Smad1tm1Abr mutation (1 available); any Smad1 mutation (32 available)
Tg(Col2a1-cre)1Bhr mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• at E16.5, calvarial bone formation and mineralization is reduced compared to in wild-type mice
• at E16.5, mice exhibit delayed ossification of the frontal, parietal, and supraoccipital bones compared with wild-type mice
• at E16.5, formation of ossification centers in the proximal phalangeal bones is delayed compared to in wild-type mice
• at E16.5, calvarial bone formation and mineralization is reduced compared to in wild-type mice
• however, embryos appeared normal by E18.5

craniofacial
• at E16.5, calvarial bone formation and mineralization is reduced compared to in wild-type mice




Genotype
MGI:5009240
cn4
Allelic
Composition
Smad1tm1Abr/Smad1tm1.1Abr
Tg(Col1a1-cre)1Kry/0
Genetic
Background
involves: BALB/cJ * C57 * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smad1tm1.1Abr mutation (0 available); any Smad1 mutation (32 available)
Smad1tm1Abr mutation (1 available); any Smad1 mutation (32 available)
Tg(Col1a1-cre)1Kry mutation (2 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
• osteoblast proliferation is reduced compared to in wild-type mice
• mice exhibit increased trabecular separation and structural model index compared with wild-type mice
• bone formation rate is reduced compared to in wild-type mice
• osteoblast differentiation is impaired compared to in wild-type mice

cellular
• osteoblast differentiation is impaired compared to in wild-type mice
• osteoblast proliferation is reduced compared to in wild-type mice





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