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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Pitx2tm1.1Dmm
targeted mutation 1.1, Donna M Martin
MGI:5308807
Summary 3 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Pitx2tm1.1Dmm/Pitx2tm1.1Dmm B6.129P2-Pitx2tm1.1Dmm MGI:5308809
ht2
Pitx2tm1.1Dmm/Pitx2tm2Sac involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6J MGI:5308808
cn3
Pitx2tm1.1Dmm/Pitx2tm1.1Sac
Tg(Nes-cre)1Kln/0
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL MGI:5308810


Genotype
MGI:5308809
hm1
Allelic
Composition
Pitx2tm1.1Dmm/Pitx2tm1.1Dmm
Genetic
Background
B6.129P2-Pitx2tm1.1Dmm
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pitx2tm1.1Dmm mutation (1 available); any Pitx2 mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
• abdominal viscera defects similar to in Pitx2tm2Sac homozygotes
• distal turning defect similar to in Pitx2tm2Sac homozygotes

cardiovascular system
• similar to in Pitx2tm2Sac homozygotes




Genotype
MGI:5308808
ht2
Allelic
Composition
Pitx2tm1.1Dmm/Pitx2tm2Sac
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pitx2tm1.1Dmm mutation (1 available); any Pitx2 mutation (39 available)
Pitx2tm2Sac mutation (0 available); any Pitx2 mutation (39 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
• abdominal and abdominal viscera defects similar to in Pitx2tm2Sac homozygotes
• distal turning defect similar to in Pitx2tm2Sac homozygotes

nervous system
• mice lack migration of subthalamic neurons and recruitment of their projections into an expanded mammillotegmental tract
• mice lack migration of subthalamic neurons and recruitment of their projections into an expanded mammillotegmental tract

cardiovascular system
• similar to in Pitx2tm2Sac homozygotes

vision/eye
• medially displaced

craniofacial

cellular
• mice lack migration of subthalamic neurons and recruitment of their projections into an expanded mammillotegmental tract

endocrine/exocrine glands

growth/size/body

skeleton




Genotype
MGI:5308810
cn3
Allelic
Composition
Pitx2tm1.1Dmm/Pitx2tm1.1Sac
Tg(Nes-cre)1Kln/0
Genetic
Background
involves: 129P2/OlaHsd * 129S1/Sv * 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pitx2tm1.1Dmm mutation (1 available); any Pitx2 mutation (39 available)
Pitx2tm1.1Sac mutation (1 available); any Pitx2 mutation (39 available)
Tg(Nes-cre)1Kln mutation (4 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
• mammillothalamic tract fibers are truncated or severely diminished compared to in control mice
• PAX6+ cells at the principal mammillary tract-mammillothalamic tract bifurcation are reduced compared to in control mice
• however, mice exhibit intact principal mammillary and mammillotegmental projections





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last database update
12/10/2024
MGI 6.24
The Jackson Laboratory