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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Mpltm1Wsa
targeted mutation 1, Warren S Alexander
MGI:2660811
Summary 14 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Mpltm1Wsa/Mpltm1Wsa involves: 129S1/Sv MGI:4819819
hm2
Mpltm1Wsa/Mpltm1Wsa involves: 129S1/Sv * C57BL/6 MGI:2662524
cx3
Lynmld4/Lynmld4
Mpltm1Wsa/Mpltm1Wsa
B6.129S1-Mpltm1Wsa MGI:3832564
cx4
Ergmld2/Erg+
Mpltm1Wsa/Mpltm1Wsa
B6.Cg-Mpltm1Wsa Ergmld2 MGI:3805474
cx5
Mpltm1Wsa/Mpltm1Wsa
Suz12Plt8/Suz12+
B6.Cg-Mpltm1Wsa Suz12Plt8 MGI:3796621
cx6
Mpltm1Wsa/Mpltm1Wsa
Suz12Plt8/Suz12Plt8
B6.Cg-Mpltm1Wsa Suz12Plt8 MGI:3796623
cx7
Mpltm1Wsa/Mpltm1Wsa
Suz12Gt(Betageo)1Khe/Suz12+
involves: 129P2/OlaHsd * 129S1/Sv * C57BL/6 MGI:3796626
cx8
Fli1tm1Dkw/Fli1+
Mpltm1Wsa/Mpltm1Wsa
involves: 129S1/Sv * 129S6/SvEvTac * C57BL/6 MGI:3805477
cx9
Mpltm1Wsa/Mpltm1Wsa
MybPlt3/MybPlt3
involves: 129S1/Sv * C57BL/6 MGI:3045895
cx10
Mpltm1Wsa/Mpltm1Wsa
MybPlt3/Myb+
involves: 129S1/Sv * C57BL/6 MGI:3045896
cx11
Mpltm1Wsa/Mpltm1Wsa
MybPlt4/MybPlt4
involves: 129S1/Sv * C57BL/6 MGI:3045897
cx12
Mpltm1Wsa/Mpltm1Wsa
MybPlt4/Myb+
involves: 129S1/Sv * C57BL/6 MGI:3045898
cx13
Ep300Plt6/Ep300Plt6
Mpltm1Wsa/Mpltm1Wsa
involves: 129S1/Sv * C57BL/6 MGI:3813260
cx14
Ep300Plt6/Ep300+
Mpltm1Wsa/Mpltm1Wsa
involves: 129S1/Sv * C57BL/6 MGI:3813262


Genotype
MGI:4819819
hm1
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
Genetic
Background
involves: 129S1/Sv
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system

homeostasis/metabolism
• plasma levels of CXCL4, CXCL5, and CXCL7 are attenuated compared to in wild-type mice

immune system
• plasma levels of CXCL4, CXCL5, and CXCL7 are attenuated compared to in wild-type mice




Genotype
MGI:2662524
hm2
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
Genetic
Background
involves: 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• mutant mice displayed a loss of megakaryocytes in the spleen and bone marrow
• mice are deficient in megakaryocyte progenitor cells
• mice had only 6% the number platelets detected in controls
• in clonal culture of bone marrow, total progenotor cell number was 38%- 44% of wildtype
• neutrophil-CFC, neutrophil-macrophage-CFC and pure erythroid-CFC were present at approximately 50% of normal levels
• cell reduction not seen in mature cell populations

immune system
N
• no alterations were detected in the ratios of B and T cells examined in the spleen, thymus and bone marrow using momoclonal antibodies




Genotype
MGI:3832564
cx3
Allelic
Composition
Lynmld4/Lynmld4
Mpltm1Wsa/Mpltm1Wsa
Genetic
Background
B6.129S1-Mpltm1Wsa
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Lynmld4 mutation (1 available); any Lyn mutation (65 available)
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• WBC is reduced by more than a third compared to Mpltm1Wsa homozygote controls

hematopoietic system
• there is a slight reduction in the number of red blood cells compared to Mpltm1Wsa homozygote controls
• platelet count is reduced by about half compared to Mpltm1Wsa homozygote controls
• WBC is reduced by more than a third compared to Mpltm1Wsa homozygote controls




Genotype
MGI:3805474
cx4
Allelic
Composition
Ergmld2/Erg+
Mpltm1Wsa/Mpltm1Wsa
Genetic
Background
B6.Cg-Mpltm1Wsa Ergmld2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ergmld2 mutation (0 available); any Erg mutation (27 available)
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• platelet counts are significantly lower than single Mpl-deficient animals
• at lower end of normal range

immune system
• at lower end of normal range




Genotype
MGI:3796621
cx5
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
Suz12Plt8/Suz12+
Genetic
Background
B6.Cg-Mpltm1Wsa Suz12Plt8
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
Suz12Plt8 mutation (0 available); any Suz12 mutation (61 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• amelioration of thrombocytopenia compared to Mpltm1Wsa , increased platelet cell number was significant but not to the wild-type level
• hematopoietic stem cell number were increased in the bone marrow compared to Mpltm1Wsa control, but not to the wild-type level
• megakaryocyte numbers were increased in the bone marrow compared to Mpltm1Wsa control, but not to the wild-type level
• thrombocytopenia of Mpltm1Wsa ameliorated, however platelet count is significantly lower than normal wild-type level

immune system
• amelioration of thrombocytopenia compared to Mpltm1Wsa , increased platelet cell number was significant but not to the wild-type level

cellular
• megakaryocyte numbers were increased in the bone marrow compared to Mpltm1Wsa control, but not to the wild-type level




Genotype
MGI:3796623
cx6
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
Suz12Plt8/Suz12Plt8
Genetic
Background
B6.Cg-Mpltm1Wsa Suz12Plt8
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
Suz12Plt8 mutation (0 available); any Suz12 mutation (61 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• no homozygous Suz12Plt8Hiltanimals were found, indicating prenatal lethality
• embryos homozygous for Suz12Plt8Hilt were reduced in number at embryonic day 8.5

embryo
• embryos homozygous for Suz12Plt8Hilt were smaller than wild-type

growth/size/body
• embryos homozygous for Suz12Plt8Hilt were smaller than wild-type




Genotype
MGI:3796626
cx7
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
Suz12Gt(Betageo)1Khe/Suz12+
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
Suz12Gt(Betageo)1Khe mutation (1 available); any Suz12 mutation (61 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• amelioration of thrombocytopenia compared to Mpltm1Wsa , increased platelet cell number was significant but not to the wild-type level
• thrombocytopenia of Mpltm1Wsa ameliorated, however platelet count is significantly lower than normal wild-type level

immune system
• amelioration of thrombocytopenia compared to Mpltm1Wsa , increased platelet cell number was significant but not to the wild-type level




Genotype
MGI:3805477
cx8
Allelic
Composition
Fli1tm1Dkw/Fli1+
Mpltm1Wsa/Mpltm1Wsa
Genetic
Background
involves: 129S1/Sv * 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fli1tm1Dkw mutation (1 available); any Fli1 mutation (26 available)
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
N
• mice do not show leukopenia or anemia
• platelet counts are lower than single Mpl-deficient littermates at 7 weeks of age




Genotype
MGI:3045895
cx9
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
MybPlt3/MybPlt3
Genetic
Background
involves: 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
MybPlt3 mutation (0 available); any Myb mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• lower than expected numbers of homozygotes born in matings of heterozygotes indicating a degree of perinatal or embryonic lethality

hematopoietic system
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen
• numbers of most progenitor cell lines are elevated
• defective production of erythroid lineages
• large numbers of erythroid colony forming units but defective maturation
• leukopenic
• significantly reduced numbers of B cells in bone marrow and spleen
• supraphysiological levels
• expanded red pulp with abnormal architecture
• abnormally small lymphoid follicles

immune system
• leukopenic
• significantly reduced numbers of B cells in bone marrow and spleen
• expanded red pulp with abnormal architecture
• abnormally small lymphoid follicles

cellular
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen




Genotype
MGI:3045896
cx10
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
MybPlt3/Myb+
Genetic
Background
involves: 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
MybPlt3 mutation (0 available); any Myb mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen
• numbers of most progenitor cell lines are unchanged
• amelioration of thrombocytopenia compared to Mpltm1Wsa but not to wild-type

cellular
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen

immune system




Genotype
MGI:3045897
cx11
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
MybPlt4/MybPlt4
Genetic
Background
involves: 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
MybPlt4 mutation (0 available); any Myb mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen
• numbers of most progenitor cell lines are elevated
• defective production of erythroid lineages
• large numbers of erythroid colony forming units but defective maturation
• supraphysiological levels
• leukopenic
• significantly reduced numbers of B cells in bone marrow and spleen
• expanded red pulp with abnormal architecture
• abnormally small lymphoid follicles

immune system
• leukopenic
• significantly reduced numbers of B cells in bone marrow and spleen
• expanded red pulp with abnormal architecture
• abnormally small lymphoid follicles

cellular
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen




Genotype
MGI:3045898
cx12
Allelic
Composition
Mpltm1Wsa/Mpltm1Wsa
MybPlt4/Myb+
Genetic
Background
involves: 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
MybPlt4 mutation (0 available); any Myb mutation (53 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen
• numbers of most progenitor cell lines are unchanged
• amelioration of thrombocytopenia compared to Mpltm1Wsa but not to wild-type

cellular
• increased numbers of progenitor cells and megakaryocytes in both bone marrow and in spleen

immune system




Genotype
MGI:3813260
cx13
Allelic
Composition
Ep300Plt6/Ep300Plt6
Mpltm1Wsa/Mpltm1Wsa
Genetic
Background
involves: 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ep300Plt6 mutation (0 available); any Ep300 mutation (98 available)
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• about 80% of mice fail to survive to weaning

hematopoietic system
• megakarycoyte numbers are about 10-fold higher in the bone marrow and spleen
• clonogenic myeloid progenitor cells are also significantly elevated by more than 3-fold in the spleen
• platelet count is increased more than 10-fold over Mpltm1Wsa homozygotes and more than twice as much as wild-type mice




Genotype
MGI:3813262
cx14
Allelic
Composition
Ep300Plt6/Ep300+
Mpltm1Wsa/Mpltm1Wsa
Genetic
Background
involves: 129S1/Sv * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ep300Plt6 mutation (0 available); any Ep300 mutation (98 available)
Mpltm1Wsa mutation (1 available); any Mpl mutation (48 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• the eosinophil number is almost double that of Mpltm1Wsa homozygotes and is similar to wild-type mice

hematopoietic system
• megakaryocyte numbers in the bone marrow and spleen are more than double what is found of wild-type mice
• clonogenic myeloid progenitor cells are also significantly elevated by more than 3-fold in the spleen
• the eosinophil number is almost double that of Mpltm1Wsa homozygotes and is similar to wild-type mice
• platelet count is increased more than 2-fold compared to Mpltm1Wsa homozygotes but is about half the number found in wild-type mice





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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory