Phenotypes Associated with This Genotype

Genotype
MGI:5825359

• Allelic Composition: Tcf3^tm1(PBX1)Mlc/Tcf3⁺; Tg(Mx1-cre)1Cgn/0
• Genetic Background: involves: C57BL/6 * C57BL/6J * CBA/J

• ♀: phenotype observed in females
• ♂: phenotype observed in males
• N: normal phenotype

neoplasm

increased B cell acute lymphoblastic leukemia incidence ( J:226241 )

• mice develop acute leukemia with an incidence of 59% at 12 months of age

• leukemia cells are present in the bone marrow, spleen, lymph nodes and infiltrate multiple organs, including the CNS

• 94% of leukemias have a B cell precursor phenotype

hematopoietic system

enlarged spleen ( J:226241 )

• in leukemic mice

arrested B cell differentiation ( J:226241 )

• leukemic blasts are arrested at the pro/pre-B stage of B cell precursor differentiation

anemia ( J:226241 )

• in leukemic mice

thrombocytopenia ( J:226241 )

• in leukemic mice

decreased B cell number ( J:226241 )

• a lower percentage of B cells are seen in the peripheral blood over a 30 week period in healthy preleukemic mice

decreased immature B cell number ( J:226241 )

• decrease in immature and recirculating B cells in the bone marrow in healthy preleukemic mice

increased leukocyte cell number ( J:226241 )

• leukemic mice present with leukocytosis

immune system

enlarged spleen ( J:226241 )

• in leukemic mice

arrested B cell differentiation ( J:226241 )

• leukemic blasts are arrested at the pro/pre-B stage of B cell precursor differentiation

decreased B cell number ( J:226241 )

• a lower percentage of B cells are seen in the peripheral blood over a 30 week period in healthy preleukemic mice

decreased immature B cell number ( J:226241 )

• decrease in immature and recirculating B cells in the bone marrow in healthy preleukemic mice

increased leukocyte cell number ( J:226241 )

• leukemic mice present with leukocytosis

enlarged lymph nodes ( J:226241 )

• in leukemic mice

liver/biliary system

enlarged liver ( J:226241 )

• in leukemic mice

growth/size/body

enlarged liver ( J:226241 )

• in leukemic mice

enlarged spleen ( J:226241 )

• in leukemic mice

Mouse Models of Human Disease		DO ID	OMIM ID(s)	Ref(s)
acute lymphoblastic leukemia		DOID:9952	OMIM:247640 OMIM:613065	J:226241