Phenotypes Associated with This Genotype

Genotype
MGI:4437062

• Allelic Composition: Is(14)1Rdf Is(14)2Rdf/Del(14Trim13-Dleu2)4Rdf; Cd19^tm1(cre)Cgn/Cd19⁺
• Genetic Background: involves: 129P2/OlaHsd * 129S1/Sv * 129S4/SvJaeSor * C57BL/6

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

hematopoietic system

increased B cell number ( J:156946 )

• monoclonal B cell lymphocytosis in some mice at 15 - 18 months of age

increased B-1a cell number ( J:156946 )

• at 15-18 months increased clonal population in the peripheral blood

increased spleen white pulp amount ( J:156946 )

• expansion or accumulation of small lymphocytes, with a pattern similar small cell lymphocytic leukemia (SLL) or B cell chronic lymphocytic leukemia (CLL) and with characteristic 'smudge' cells in some mice

immune system

increased B cell number ( J:156946 )

• monoclonal B cell lymphocytosis in some mice at 15 - 18 months of age

increased B-1a cell number ( J:156946 )

• at 15-18 months increased clonal population in the peripheral blood

increased spleen white pulp amount ( J:156946 )

• expansion or accumulation of small lymphocytes, with a pattern similar small cell lymphocytic leukemia (SLL) or B cell chronic lymphocytic leukemia (CLL) and with characteristic 'smudge' cells in some mice

neoplasm

increased leukemia incidence ( J:156946 )

• a fraction of mice have histological features of small cell lymphocytic leukemia (SLL) or B cell chronic lymphocytic leukemia (CLL)

increased B cell derived lymphoma incidence ( J:156946 )

• some of the CD5 negative tumors showed a mature B cell phenotype histologically reminiscent of human diffuse large B cell lymphoma, non-Hodgkin lymphoma

• a minority of CD5 negative tumors showed plasmacytic features similar to lymphoplasmacytic lymphoma

Mouse Models of Human Disease		DO ID	OMIM ID(s)	Ref(s)
chronic lymphocytic leukemia		DOID:1040	OMIM:109543 OMIM:151400 OMIM:609630 OMIM:612557 OMIM:612558 OMIM:612559	J:156946