About   Help   FAQ
Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Zap70m1Saka
mutation 1, Shimon Sakaguchi
MGI:2683318
Summary 7 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Zap70m1Saka/Zap70m1Saka involves: BALB/c MGI:3698734
ht2
Zap70m1Saka/Zap70+ involves: BALB/c MGI:3698735
ht3
Zap70m1Saka/Zap70tm1Dlo involves: 129P2/OlaHsd * BALB/c MGI:3698739
ht4
Zap70m1Saka/Zap70tm2.1Weis involves: 129S4/SvJae * BALB/c MGI:4399132
cx5
Zap70m1Saka/Zap70tm1Dlo
Tg(Lck-ZAP70)824Saka/0
involves: 129P2/OlaHsd * BALB/c MGI:3698747
cx6
Zap70m1Saka/Zap70m1Saka
Tg(DO11.10)10Dlo/0
involves: BALB/c * C3H * C57BL/6 MGI:3698742
cx7
Zap70m1Saka/Zap70m1Saka
Tg(TcraH-Y,TcrbH-Y)71Vbo/0
involves: BALB/c * C57BL/6J * DBA/2J MGI:3698744


Genotype
MGI:3698734
hm1
Allelic
Composition
Zap70m1Saka/Zap70m1Saka
Genetic
Background
involves: BALB/c
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Zap70m1Saka mutation (1 available); any Zap70 mutation (55 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• proliferative response to various T cell stimulating treatments is reduced compared to controls (J:86607)
• poor proliferative responses to TCR and CD28 stimulation (J:154166)
• significant decrease in the absolute number of CD4 and CD8 single positive subsets
• however, total thymic cellularity is only mildly decreased
• an attenuated TCR-induced increase in cytoplasmic free calcium in thymocytes and peripheral T cells
• TCRhigh mature thymocytes are decreased in number and ratio compared to wild-type, while TCRlow immature cells increase in thymus
• thmocytes exhibit abnormal sensitivity to both positive and negative selection
• defective clonal deletion of Vbeta5 and Vbeta11 thymocytes from endogenous viral superantigens, Mtv-8 and Mtv-9
• mice show positive thymic selection of arthritogenic autoimmune T cells (J:86607)
• numbers of the HSAlo TCRbetahi cells are substantially decreased in mutant mice as compared with thymocytes from wild-type mice (J:154166)
• B cell numbers are relatively increased
• peripheral CD4+ numbers are decreased, with relative increase in B cells (J:86607)
• absolute numbers of CD4 single positive thymocytes are profoundly reduced, and fewer mature CD4+ T cells are present in the periphery (J:154166)
• peripheral CD8+ numbers are decreased, with relative increase in B cells (J:86607)
• absolute numbers of CD8 single positive thymocytes are profoundly reduced, and fewer mature CD8+ T cells are present in the periphery (J:154166)
• increase percentages of memory CD4 + T cells
• a marked reduction in both thymic T reg cell frequency as well as absolute T reg cell numbers
• the percentages of CD45RBlo CD4+ T cells were increased
• significant decrease in the absolute number of CD4 and CD8 single positive subsets
• mice display severe hypergammaglobulinemia

cellular
• proliferative response to various T cell stimulating treatments is reduced compared to controls (J:86607)
• poor proliferative responses to TCR and CD28 stimulation (J:154166)

immune system
• proliferative response to various T cell stimulating treatments is reduced compared to controls (J:86607)
• poor proliferative responses to TCR and CD28 stimulation (J:154166)
• significant decrease in the absolute number of CD4 and CD8 single positive subsets
• however, total thymic cellularity is only mildly decreased
• an attenuated TCR-induced increase in cytoplasmic free calcium in thymocytes and peripheral T cells
• TCRhigh mature thymocytes are decreased in number and ratio compared to wild-type, while TCRlow immature cells increase in thymus
• thmocytes exhibit abnormal sensitivity to both positive and negative selection
• defective clonal deletion of Vbeta5 and Vbeta11 thymocytes from endogenous viral superantigens, Mtv-8 and Mtv-9
• mice show positive thymic selection of arthritogenic autoimmune T cells (J:86607)
• numbers of the HSAlo TCRbetahi cells are substantially decreased in mutant mice as compared with thymocytes from wild-type mice (J:154166)
• B cell numbers are relatively increased
• peripheral CD4+ numbers are decreased, with relative increase in B cells (J:86607)
• absolute numbers of CD4 single positive thymocytes are profoundly reduced, and fewer mature CD4+ T cells are present in the periphery (J:154166)
• peripheral CD8+ numbers are decreased, with relative increase in B cells (J:86607)
• absolute numbers of CD8 single positive thymocytes are profoundly reduced, and fewer mature CD8+ T cells are present in the periphery (J:154166)
• increase percentages of memory CD4 + T cells
• a marked reduction in both thymic T reg cell frequency as well as absolute T reg cell numbers
• the percentages of CD45RBlo CD4+ T cells were increased
• significant decrease in the absolute number of CD4 and CD8 single positive subsets
• mice display severe hypergammaglobulinemia
• significant decrease in the absolute number of CD4 and CD8 single positive subsets
• the percentages of IL-17 producing cells are 15- fold higher than in the wild-type controls
• IL-2 production after CD3 stimulation was greatly reduced in mutant mice
• mice develop Rheumatoid Factor antibodies after zymosan challenge
• mice develop high titres of rheumatoid factor, autoantibodies to type II collagen, heat shock protein-70 and high levels of circulating immune complexes
• by ~2 months of age
• swollen joints showed severe synovitis with subsynovial neutrophil, lymphocyte, macrophage and plasma cell infiltration
• pneumonitis with perivascular and peribronchiolar cellular infiltration (extra-articular manifestation of arthritis) affects >90% of mutants by 6 months of age

skeleton
• swelling with hyperaemia is evident at 2 month of age at interphalangeal joints of forepaws, then proceeding symmetrically to other finger joints of fore- and hindpaws and wrists and ankles
• severe synovitis with inflammatory cell infiltration is observed in swollen joints, and increases in severity with age
• mice develop Rheumatoid Factor antibodies after zymosan challenge
• by ~2 months of age
• swollen joints showed severe synovitis with subsynovial neutrophil, lymphocyte, macrophage and plasma cell infiltration
• by 8-12 months of age
• at 8-12 months of age, fusion of subchondral bones (wrist and ankle joints) is observed radiographically
• dislocation of wrist and ankle joints is observed radiographically at 8-12 months of age

respiratory system
• pneumonitis with perivascular and peribronchiolar cellular infiltration (extra-articular manifestation of arthritis) affects >90% of mutants by 6 months of age

integument
• >90% of mice show infiltration of inflammatory cells to skin by 6 months of age

endocrine/exocrine glands
• significant decrease in the absolute number of CD4 and CD8 single positive subsets
• however, total thymic cellularity is only mildly decreased
• an attenuated TCR-induced increase in cytoplasmic free calcium in thymocytes and peripheral T cells

homeostasis/metabolism
• swelling with hyperaemia is evident at 2 month of age at interphalangeal joints of forepaws, then proceeding symmetrically to other finger joints of fore- and hindpaws and wrists and ankles
• severe synovitis with inflammatory cell infiltration is observed in swollen joints, and increases in severity with age

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
rheumatoid arthritis DOID:7148 OMIM:180300
J:86607




Genotype
MGI:3698735
ht2
Allelic
Composition
Zap70m1Saka/Zap70+
Genetic
Background
involves: BALB/c
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Zap70m1Saka mutation (1 available); any Zap70 mutation (55 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• mice do not develop arthritis or display immunological abnormalities seen in homozygotes




Genotype
MGI:3698739
ht3
Allelic
Composition
Zap70m1Saka/Zap70tm1Dlo
Genetic
Background
involves: 129P2/OlaHsd * BALB/c
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Zap70m1Saka mutation (1 available); any Zap70 mutation (55 available)
Zap70tm1Dlo mutation (0 available); any Zap70 mutation (55 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• mice develop arthritis spontaneously by 3 months of age

skeleton
• mice develop arthritis spontaneously by 3 months of age




Genotype
MGI:4399132
ht4
Allelic
Composition
Zap70m1Saka/Zap70tm2.1Weis
Genetic
Background
involves: 129S4/SvJae * BALB/c
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Zap70m1Saka mutation (1 available); any Zap70 mutation (55 available)
Zap70tm2.1Weis mutation (1 available); any Zap70 mutation (55 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• defects in the effectiveness of Mtv-8 and Mtv-9 induced clonal deletion in thymocyte cells bearing Vbeta5 and Vbeta11

immune system
• defects in the effectiveness of Mtv-8 and Mtv-9 induced clonal deletion in thymocyte cells bearing Vbeta5 and Vbeta11
• only 1 of 6 heterozygous mice develop mild arthritis during the 12-wk observation compared to the Zap70m1Saka homozygous mice which all have severe arthritis

skeleton
• only 1 of 6 heterozygous mice develop mild arthritis during the 12-wk observation compared to the Zap70m1Saka homozygous mice which all have severe arthritis




Genotype
MGI:3698747
cx5
Allelic
Composition
Zap70m1Saka/Zap70tm1Dlo
Tg(Lck-ZAP70)824Saka/0
Genetic
Background
involves: 129P2/OlaHsd * BALB/c
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tg(Lck-ZAP70)824Saka mutation (0 available)
Zap70m1Saka mutation (1 available); any Zap70 mutation (55 available)
Zap70tm1Dlo mutation (0 available); any Zap70 mutation (55 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
normal phenotype
• expression of transgene completely inhibits development of arthritis and corrects immunological abnormalities observed in Zap70-deficient mice




Genotype
MGI:3698742
cx6
Allelic
Composition
Zap70m1Saka/Zap70m1Saka
Tg(DO11.10)10Dlo/0
Genetic
Background
involves: BALB/c * C3H * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tg(DO11.10)10Dlo mutation (7 available)
Zap70m1Saka mutation (1 available); any Zap70 mutation (55 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• T cells require a 10-fold greater concentration of ovalbumin peptide to proliferate to the same extent and wild-type Tg(DO11.10)10Dlo T cells
• number of CD4+CD8- mature thymocytes decreases to ~20% that in control Tg(DO11.10)10Dlo mice

hematopoietic system
• T cells require a 10-fold greater concentration of ovalbumin peptide to proliferate to the same extent and wild-type Tg(DO11.10)10Dlo T cells
• number of CD4+CD8- mature thymocytes decreases to ~20% that in control Tg(DO11.10)10Dlo mice

cellular
• T cells require a 10-fold greater concentration of ovalbumin peptide to proliferate to the same extent and wild-type Tg(DO11.10)10Dlo T cells




Genotype
MGI:3698744
cx7
Allelic
Composition
Zap70m1Saka/Zap70m1Saka
Tg(TcraH-Y,TcrbH-Y)71Vbo/0
Genetic
Background
involves: BALB/c * C57BL/6J * DBA/2J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Tg(TcraH-Y,TcrbH-Y)71Vbo mutation (3 available)
Zap70m1Saka mutation (1 available); any Zap70 mutation (55 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• female mice show almost no positive selection for transgenic CD8+CD4- thymocytes and T cells
• male transgenic mice show efficient positive selection of transgenic CD8+CD4- thymocytes

immune system
• female mice show almost no positive selection for transgenic CD8+CD4- thymocytes and T cells
• male transgenic mice show efficient positive selection of transgenic CD8+CD4- thymocytes
• mice develop arthritis with high incidence

skeleton
• mice develop arthritis with high incidence





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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
04/16/2024
MGI 6.23
The Jackson Laboratory