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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Impdh1tm1Bmi
targeted mutation 1, Beverly S Mitchell
MGI:2678364
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Impdh1tm1Bmi/Impdh1tm1Bmi involves: 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:2678462
cx2
Impdh1tm1Bmi/Impdh1tm1Bmi
Impdh2tm1Bmi/Impdh2+
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:2678464
cx3
Hprt1b-m3/Y
Impdh1tm1Bmi/Impdh1tm1Bmi
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 MGI:2678469


Genotype
MGI:2678462
hm1
Allelic
Composition
Impdh1tm1Bmi/Impdh1tm1Bmi
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Impdh1tm1Bmi mutation (0 available); any Impdh1 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• decreased lymphocyte proliferation in response to anti-CD3 together with anti-CD28

hematopoietic system
• decreased lymphocyte proliferation in response to anti-CD3 together with anti-CD28

cellular
• decreased lymphocyte proliferation in response to anti-CD3 together with anti-CD28




Genotype
MGI:2678464
cx2
Allelic
Composition
Impdh1tm1Bmi/Impdh1tm1Bmi
Impdh2tm1Bmi/Impdh2+
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Impdh1tm1Bmi mutation (0 available); any Impdh1 mutation (26 available)
Impdh2tm1Bmi mutation (0 available); any Impdh2 mutation (41 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• decreased lymphocyte proliferation in response to anti-CD3 together with anti-Cd28
• impairment of splenocyte proliferation also seen in response to concanavalin A, lipopolysaccharide, or to PMA + ionomycin
• fewer cells in S phase
• deficient T cell cytolytic effects

immune system
• decreased lymphocyte proliferation in response to anti-CD3 together with anti-Cd28
• impairment of splenocyte proliferation also seen in response to concanavalin A, lipopolysaccharide, or to PMA + ionomycin
• deficient T cell cytolytic effects
• fewer cells in S phase

cellular
• decreased lymphocyte proliferation in response to anti-CD3 together with anti-Cd28
• impairment of splenocyte proliferation also seen in response to concanavalin A, lipopolysaccharide, or to PMA + ionomycin




Genotype
MGI:2678469
cx3
Allelic
Composition
Hprt1b-m3/Y
Impdh1tm1Bmi/Impdh1tm1Bmi
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hprt1b-m3 mutation (4 available); any Hprt1 mutation (1279 available)
Impdh1tm1Bmi mutation (0 available); any Impdh1 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• decreased lymphocyte proliferation due to anti-CD3 + anti-CD28
• impaired splenocyte proliferation in response to concanavalin A, lipopolysaccharide, or to PMA + ionomycin
• light but significant drop in proportion of T cells
• fewer cells in S phase
• deficient T cell cytolytic effect

immune system
• decreased lymphocyte proliferation due to anti-CD3 + anti-CD28
• impaired splenocyte proliferation in response to concanavalin A, lipopolysaccharide, or to PMA + ionomycin
• light but significant drop in proportion of T cells
• fewer cells in S phase
• deficient T cell cytolytic effect
• decreased secretion of Il-4 due to decreased GTP levels
• Il-2 levels remain more or less normal

cellular
• decreased lymphocyte proliferation due to anti-CD3 + anti-CD28
• impaired splenocyte proliferation in response to concanavalin A, lipopolysaccharide, or to PMA + ionomycin





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last database update
12/10/2024
MGI 6.24
The Jackson Laboratory