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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Ezh2+
wild type
MGI:2434016
Summary 8 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Ezh2em1Jbn/Ezh2+ C57BL/6J-Ezh2em1Jbn MGI:6275998
ht2
Ezh2em1Jiaf/Ezh2+ C57BL/6J-Ezh2em1Jiaf MGI:7611833
ht3
Ezh2tm1a(EUCOMM)Wtsi/Ezh2+ C57BL/6N-Ezh2tm1a(EUCOMM)Wtsi/Wtsi MGI:5781623
cn4
Ezh2tm1.1Nesh/Ezh2+
Cd19tm1(cre)Cgn/Cd19+
involves: 129 * 129P2/OlaHsd * C57BL/6 MGI:6393679
cn5
Braftm1Mmcm/Braf+
Ezh2tm1.1Nesh/Ezh2+
Tg(Tyr-cre/ERT2)13Bos/0
involves: 129 * 129P2/OlaHsd * C57BL/6 * FVB MGI:6393921
cn6
Ezh2tm1.1Nesh/Ezh2+
Nrastm1.1Nesh/Nras+
Tg(Tyr-cre/ERT2)13Bos/0
involves: 129 * 129P2/OlaHsd * C57BL/6 * FVB MGI:6393932
cn7
Cdkn2atm2.1Nesh/Cdkn2atm2.1Nesh
Ezh2tm1.1Nesh/Ezh2+
Nrastm1.1Nesh/Nras+
Tg(Tyr-cre/ERT2)13Bos/0
involves: 129 * 129S4/SvJae * 129P2/OlaHsd * C57BL/6 * FVB MGI:6393935
cn8
Ezh2tm2Sho/Ezh2+
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Kdm6btm1.1Rbo/Kdm6btm1.1Rbo
involves: 129S1/Sv * 129S4/SvJae * C57BL/6J * CBA/J MGI:7338996


Genotype
MGI:6275998
ht1
Allelic
Composition
Ezh2em1Jbn/Ezh2+
Genetic
Background
C57BL/6J-Ezh2em1Jbn
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ezh2em1Jbn mutation (1 available); any Ezh2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• increased heart weight at 8 weeks of age

growth/size/body
• increased heart weight at 8 weeks of age
• by 8 weeks of age, body weight is increased in comparison to controls
• increase is more prominent in females
• is observed by 8 weeks of age
• increased kidney weight at 8 weeks of age
• increased spleen weight at 8 weeks of age

hematopoietic system
• increased spleen weight at 8 weeks of age

immune system
• increased spleen weight at 8 weeks of age

renal/urinary system
• increased kidney weight at 8 weeks of age

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
Weaver syndrome DOID:14731 OMIM:277590
J:267184




Genotype
MGI:7611833
ht2
Allelic
Composition
Ezh2em1Jiaf/Ezh2+
Genetic
Background
C57BL/6J-Ezh2em1Jiaf
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ezh2em1Jiaf mutation (0 available); any Ezh2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
skeleton
N
• normal tibia and femur lengths at age 8 weeks
• normal trabecular bone structure in distal femur
• increased periosteal and endosteal mineral apposition rate (MAR) in females
• increased endosteal mineral apposition rate (MAR) in males
• at femoral middiaphysis
• increased tissue diameter at femoral middiaphysis, leading to reduced bone/tissue ratio

growth/size/body
N
• normal body length in males and females
• normal body weight in males
• at ages 8-22 weeks
• normal body weight in males

limbs/digits/tail
• at femoral middiaphysis
• increased tissue diameter at femoral middiaphysis, leading to reduced bone/tissue ratio

mortality/aging
N
• mice born at expected Mendelian ratios

cellular
• increased periosteal and endosteal mineral apposition rate (MAR) in females
• increased endosteal mineral apposition rate (MAR) in males

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
Weaver syndrome DOID:14731 OMIM:277590
J:345603




Genotype
MGI:5781623
ht3
Allelic
Composition
Ezh2tm1a(EUCOMM)Wtsi/Ezh2+
Genetic
Background
C57BL/6N-Ezh2tm1a(EUCOMM)Wtsi/Wtsi
Cell Lines EPD0052_2_C05
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ezh2tm1a(EUCOMM)Wtsi mutation (2 available); any Ezh2 mutation (70 available)
Data Sources
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system

homeostasis/metabolism

skeleton




Genotype
MGI:6393679
cn4
Allelic
Composition
Ezh2tm1.1Nesh/Ezh2+
Cd19tm1(cre)Cgn/Cd19+
Genetic
Background
involves: 129 * 129P2/OlaHsd * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cd19tm1(cre)Cgn mutation (12 available); any Cd19 mutation (61 available)
Ezh2tm1.1Nesh mutation (1 available); any Ezh2 mutation (70 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• median survival of 1 year

neoplasm
• about 50% of mice show frank leukemia and/or hepatic involvement
• mice develop B cell lymphoma with a median survival of 1 year
• tumors show a CD45+B220+CD19+IgM+CD43+CD5+ immunophenotype
• mice treated with JQEZ5, an S-5'adenosyl-l-methionine (SAM)-competitive pyridinone inhibitor, for 6 days show completely cleared malignant population from the spleen without depleting normal B cells

immune system
• tumor-bearing mice show disruption of the splenic architecture
• tumor-bearing mice show expansion of abnormal, large lymphoid cells in the white pulp

hematopoietic system
• tumor-bearing mice show disruption of the splenic architecture
• tumor-bearing mice show expansion of abnormal, large lymphoid cells in the white pulp

growth/size/body

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
B-cell lymphoma DOID:707 J:239472




Genotype
MGI:6393921
cn5
Allelic
Composition
Braftm1Mmcm/Braf+
Ezh2tm1.1Nesh/Ezh2+
Tg(Tyr-cre/ERT2)13Bos/0
Genetic
Background
involves: 129 * 129P2/OlaHsd * C57BL/6 * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Braftm1Mmcm mutation (4 available); any Braf mutation (61 available)
Ezh2tm1.1Nesh mutation (1 available); any Ezh2 mutation (70 available)
Tg(Tyr-cre/ERT2)13Bos mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• tamoxifen-treated mice show accelerated tumorigenesis of unpigmented, nonmetastatic melanoma compared to single Braf conditional mutants




Genotype
MGI:6393932
cn6
Allelic
Composition
Ezh2tm1.1Nesh/Ezh2+
Nrastm1.1Nesh/Nras+
Tg(Tyr-cre/ERT2)13Bos/0
Genetic
Background
involves: 129 * 129P2/OlaHsd * C57BL/6 * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ezh2tm1.1Nesh mutation (1 available); any Ezh2 mutation (70 available)
Nrastm1.1Nesh mutation (2 available); any Nras mutation (42 available)
Tg(Tyr-cre/ERT2)13Bos mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
N
• tamoxifen-treated mice do not show acceleration of melanomagenesis and do not form melanoma compared to single Nras conditional mutants




Genotype
MGI:6393935
cn7
Allelic
Composition
Cdkn2atm2.1Nesh/Cdkn2atm2.1Nesh
Ezh2tm1.1Nesh/Ezh2+
Nrastm1.1Nesh/Nras+
Tg(Tyr-cre/ERT2)13Bos/0
Genetic
Background
involves: 129 * 129S4/SvJae * 129P2/OlaHsd * C57BL/6 * FVB
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Cdkn2atm2.1Nesh mutation (4 available); any Cdkn2a mutation (67 available)
Ezh2tm1.1Nesh mutation (1 available); any Ezh2 mutation (70 available)
Nrastm1.1Nesh mutation (2 available); any Nras mutation (42 available)
Tg(Tyr-cre/ERT2)13Bos mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
neoplasm
• tamoxifen-treated mice develop melanoma similarly to conditional Nras and Cdkn2a double mutants




Genotype
MGI:7338996
cn8
Allelic
Composition
Ezh2tm2Sho/Ezh2+
H2az2Tg(Wnt1-cre)11Rth/H2az2+
Kdm6btm1.1Rbo/Kdm6btm1.1Rbo
Genetic
Background
involves: 129S1/Sv * 129S4/SvJae * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Ezh2tm2Sho mutation (1 available); any Ezh2 mutation (70 available)
H2az2Tg(Wnt1-cre)11Rth mutation (2 available); any H2az2 mutation (25 available)
Kdm6btm1.1Rbo mutation (1 available); any Kdm6b mutation (65 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
N
• development of the palatine processes of the maxilla and palatine bones and proliferation and differentiation of palatal mesenchymal cells are restored by conditional deletion of one copy of Ezh2 compared to mutant mice with wild-type Ezh2
• conditional deletion of one copy of Ezh2 rescues cleft palate with 70% efficiency

digestive/alimentary system
• conditional deletion of one copy of Ezh2 rescues cleft palate with 70% efficiency

growth/size/body
• conditional deletion of one copy of Ezh2 rescues cleft palate with 70% efficiency





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last database update
03/25/2025
MGI 6.24
The Jackson Laboratory