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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Kmt2atm1Clgr
targeted mutation 1, Michael A Caligiuri
MGI:3691062
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Kmt2atm1Clgr/Kmt2atm1Clgr B6.129-Kmt2atm1Clgr MGI:3691212
ht2
Kmt2atm1Clgr/Kmt2a+ B6.129-Kmt2atm1Clgr MGI:3691228
cx3
Flt3tm1Dgg/Flt3+
Kmt2atm1Clgr/Kmt2a+
involves: 129S1/Sv * 129X1/SvJ * BALB/c * C57BL/6J MGI:5445344
cx4
Flt3tm1Dgg/Flt3tm1Dgg
Kmt2atm1Clgr/Kmt2a+
involves: 129S1/Sv * 129X1/SvJ * BALB/c * C57BL/6J MGI:5445345


Genotype
MGI:3691212
hm1
Allelic
Composition
Kmt2atm1Clgr/Kmt2atm1Clgr
Genetic
Background
B6.129-Kmt2atm1Clgr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kmt2atm1Clgr mutation (0 available); any Kmt2a mutation (135 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• no pups present at P1, authors did not look at earlier stages




Genotype
MGI:3691228
ht2
Allelic
Composition
Kmt2atm1Clgr/Kmt2a+
Genetic
Background
B6.129-Kmt2atm1Clgr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kmt2atm1Clgr mutation (0 available); any Kmt2a mutation (135 available)
phenotype observed in females
phenotype observed in males
N normal phenotype

Vertebral transformation is seen in Kmt2atm1Clgr/Mll1+ mice at 20 weeks of age

embryo
• at E12.5 the boundary of Hoxa9 expression in the paraxial mesoderm is shifted ventrally

skeleton
• rudimentary or missing thirteenth rib in 70% of mice
• rudimentary or missing thirteenth rib indicates transformation of T13 to L1
• S1 duplication in 63% of mice, indicative of S2 to S1 transformation

hematopoietic system
• increase in the number of mixed colony forming units (GEMM-CFU) formed by cultured splenocytes
• cell from splenocyte colony forming assays form larger secondary colonies in replating assays and are able to form tertiary and quaternary colonies unlike wild-type cells however, in vivo cell counts in the bone marrow, spleen and blood are similar to wild type
• progenitor cells have a 2-fold increase in BrdU incorporation and a 50% increase in the amount of apoptosis
• progenitor cells are able to survive in culture for more than 4 months compared to less than 18 days for wild-type cells
• increase in the number of myeloid colony forming units (GM-CFU) formed by cultured splenocytes
• increase in the number of erythroid burst forming units (BFU-E) formed by cultured splenocytes
• 5- to 20-fold increase in the number of Ter119+ erythroid cells in the spleen

neoplasm
N
• despite changes in hematopoiesis and Hoxa gene expression mice do not develop leukemia

immune system
• increase in the number of myeloid colony forming units (GM-CFU) formed by cultured splenocytes




Genotype
MGI:5445344
cx3
Allelic
Composition
Flt3tm1Dgg/Flt3+
Kmt2atm1Clgr/Kmt2a+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * BALB/c * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Flt3tm1Dgg mutation (8 available); any Flt3 mutation (83 available)
Kmt2atm1Clgr mutation (0 available); any Kmt2a mutation (135 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• median survival of 49 weeks of age compared to 75-94 weeks of age for wild-type and single heterozygotes

neoplasm
• 100% penetrance of acute leukemia at a median age of 49 weeks
• 70% develop acute myeloid leukemia
• 12% develop unclassifiable acute leukemia
• 9% develop B-cell leukemia
• 9% develop biphenotypic leukemia
• loss of Flt3 heterozygosity is seen in leukemias

hematopoietic system
• presence of more than or equal to 20% blasts in blood and blasts in nonhematopoietic organs, including liver and adrenal glands
• mutants develop leukocytosis

immune system
• mutants develop leukocytosis

growth/size/body

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
acute myeloid leukemia DOID:9119 OMIM:601626
J:189096




Genotype
MGI:5445345
cx4
Allelic
Composition
Flt3tm1Dgg/Flt3tm1Dgg
Kmt2atm1Clgr/Kmt2a+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * BALB/c * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Flt3tm1Dgg mutation (8 available); any Flt3 mutation (83 available)
Kmt2atm1Clgr mutation (0 available); any Kmt2a mutation (135 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• median survival is 19 weeks of age

neoplasm
• 89% develop acute myeloid leukemia
• 11% develop B-cell leukemia
• disease is more aggressive than in double heterozygous mutants

hematopoietic system

immune system

growth/size/body

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
acute myeloid leukemia DOID:9119 OMIM:601626
J:189096





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last database update
04/16/2024
MGI 6.23
The Jackson Laboratory