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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Wnt1tm1.1Mze
targeted mutation 1.1, Mark Zervas
MGI:5495278
Summary 4 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
cn1
Wnt1tm1.1Mze/Wnt1tm1.1Mze
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/Gt(ROSA)26Sor+
En1tm2(cre)Wrst/En1+
involves: 129 * C57BL/6N MGI:5495280
cn2
Wnt1tm1.1Mze/Wnt1tm1.1Mze
En1tm2(cre)Wrst/En1+
involves: 129S1/Sv * 129X1/SvJ * C57BL/6N MGI:5495279
cn3
Wnt1tm1.1Mze/Wnt1tm1.1Mze
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/Gt(ROSA)26Sor+
Shhtm1(EGFP/cre)Cjt/Shh+
involves: 129S6/SvEvTac * C57BL/6N MGI:5495282
cn4
Wnt1tm1.1Mze/Wnt1tm1.1Mze
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/Gt(ROSA)26Sor+
Tg(Wnt1-cre/ERT)1Alj/0
involves: 129S6/SvEvTac * C57BL/6N * Swiss Webster MGI:5495281


Genotype
MGI:5495280
cn1
Allelic
Composition
Wnt1tm1.1Mze/Wnt1tm1.1Mze
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/Gt(ROSA)26Sor+
En1tm2(cre)Wrst/En1+
Genetic
Background
involves: 129 * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
En1tm2(cre)Wrst mutation (1 available); any En1 mutation (32 available)
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze mutation (5 available); any Gt(ROSA)26Sor mutation (942 available)
Wnt1tm1.1Mze mutation (0 available); any Wnt1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• rhombomere 1 is diminished with only a small domain adjacent to axonal bundles connected to the trigeminal ganglia
• dorsal rhombomere 1 is severely depleted but the ventral portion is less severely affected
• substantial depletion of the En1 lineage derived mesencephalon at E12.5
• dorsal mesencephalon is severely depleted but the ventral portion is less severely affected
• severe truncation of the lateral anterior hindbrain
• aberrantly patterned whisker fields innervated by serotonergic neurons
• absence of LMX1a+ progenitors throughout the medial-lateral extent of the ventral mesencephalon and decreased numbers in the ventral diencephalon
• only a small disorganized cohort of TH+ MbDA neurons remain at E8.5

embryo
• rhombomere 1 is diminished with only a small domain adjacent to axonal bundles connected to the trigeminal ganglia
• dorsal rhombomere 1 is severely depleted but the ventral portion is less severely affected




Genotype
MGI:5495279
cn2
Allelic
Composition
Wnt1tm1.1Mze/Wnt1tm1.1Mze
En1tm2(cre)Wrst/En1+
Genetic
Background
involves: 129S1/Sv * 129X1/SvJ * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
En1tm2(cre)Wrst mutation (1 available); any En1 mutation (32 available)
Wnt1tm1.1Mze mutation (0 available); any Wnt1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• severe deletion of rhombomere 1 at E10.5
• the ventral mesencephalon is dysmorphic
• severe deletion of the putative mesencephalon at E10.5

embryo
• severe deletion of rhombomere 1 at E10.5




Genotype
MGI:5495282
cn3
Allelic
Composition
Wnt1tm1.1Mze/Wnt1tm1.1Mze
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/Gt(ROSA)26Sor+
Shhtm1(EGFP/cre)Cjt/Shh+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze mutation (5 available); any Gt(ROSA)26Sor mutation (942 available)
Shhtm1(EGFP/cre)Cjt mutation (1 available); any Shh mutation (45 available)
Wnt1tm1.1Mze mutation (0 available); any Wnt1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• significant increase of the number of differentiated MbDA neurons at E11.5
• significant increase in the number of Ki67+ progenitors in the differentiating zone in medial planes
• depletion of medial MbDA neurons and expansion of more laterally positioned MbDA neurons at E12.5
• depletion of medial MbDA neurons

cellular
• significant increase of the number of differentiated MbDA neurons at E11.5
• significant increase in the number of Ki67+ progenitors in the differentiating zone in medial planes




Genotype
MGI:5495281
cn4
Allelic
Composition
Wnt1tm1.1Mze/Wnt1tm1.1Mze
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze/Gt(ROSA)26Sor+
Tg(Wnt1-cre/ERT)1Alj/0
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6N * Swiss Webster
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Gt(ROSA)26Sortm14(CAG-tdTomato)Hze mutation (5 available); any Gt(ROSA)26Sor mutation (942 available)
Tg(Wnt1-cre/ERT)1Alj mutation (1 available)
Wnt1tm1.1Mze mutation (0 available); any Wnt1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• following tamoxifen treatment at E8.5, the ventral mesencephalon is smaller and has an abnormal notch at E12.5
• depletion of TH+ neurons in the medial ventral mesencephalon and an increase in TH+ neurons in the off-midline plane in 2 of 4 embryos at E12.5
• tamoxifen treatment at E10.5 does not produce an overt phenotype in the mesencephalon





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last database update
04/23/2024
MGI 6.23
The Jackson Laboratory