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Symbol
Name
ID
Lig4
ligase IV, DNA, ATP-dependent
MGI:1335098
Phenotype annotations related to hematopoietic system
*Aspects of the system are reported to show a normal phenotype.
Darker colors indicate more annotations
Human Phenotypes
Increased circulating IgA level
Increased circulating IgG level
Decreased circulating antibody level
Paraproteinemia
Pancytopenia
Anemia
Acute lymphoblastic leukemia
Thrombocytopenia
Multiple myeloma
Myelodysplasia
Splenomegaly
Hepatosplenomegaly
Disease(s) Associated with LIG4
DNA ligase IV deficiency
multiple myeloma
pancreatic cancer

Mouse Phenotypes
hematopoietic system phenotype
increased T cell apoptosis
decreased T cell proliferation
abnormal thymus morphology
decreased thymus weight
small thymus
decreased thymocyte number
abnormal lymphopoiesis
abnormal B cell differentiation
abnormal class switch recombination
arrested B cell differentiation
abnormal T cell differentiation
abnormal T cell receptor V(D)J recombination
abnormal T cell receptor beta chain V(D)J recombination
decreased double-negative T cell number
decreased double-positive T cell number
arrested T cell differentiation
decreased bone marrow cell number
abnormal proerythroblast morphology
abnormal lymphocyte cell number
decreased B cell number
increased NK cell number
increased effector memory CD4-positive, alpha-beta T cell number
decreased CD4-positive, alpha-beta T cell number
increased central memory CD8 positive, alpha-beta T cell number
decreased CD8-positive, naive alpha-beta T cell number
decreased CD8-positive, alpha-beta T cell number
absent CD8-positive, alpha-beta T cells
increased CD8-positive, alpha-beta T cell number
decreased lymphocyte cell number
decreased hematopoietic stem cell number
abnormal regulatory T cell morphology
decreased spleen weight
small spleen
decreased splenocyte number
abnormal B cell activation
decreased IgA level
decreased IgD level
decreased IgG2b level
decreased IgG3 level
decreased IgG level
decreased IgM level
decreased immunoglobulin level
abnormal T cell activation
Availability Mouse Genotype
Lig4m1Btlr/Lig4m1Btlr
Lig4m2Btlr/Lig4m2Btlr
Lig4tiny/Lig4tiny
Lig4tm1Fwa/Lig4tm1Fwa *
Lig4tm2.1Fwa/Lig4tm2.1Fwa
Lig4tm3.1Fwa/Lig4tm3.1Fwa
Tg(Cr2-cre)3Cgn/0  (conditional)

Contributing Projects:
Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
04/23/2024
MGI 6.23
The Jackson Laboratory