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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Pbx1tm1Mlc
targeted mutation 1, Michael L Cleary
MGI:2155612
Summary 11 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Pbx1tm1Mlc/Pbx1tm1Mlc involves: 129S6/SvEvTac MGI:4949502
hm2
Pbx1tm1Mlc/Pbx1tm1Mlc involves: 129S6/SvEvTac * C57BL/6 MGI:3052678
ht3
Pbx1tm1Mlc/Pbx1+ involves: 129S6/SvEvTac * C57BL/6 MGI:3052679
ht4
Pbx1tm1Mlc/Pbx1tm2.1Mlc involves: 129S6/SvEvTac MGI:3783741
cn5
Pbx1tm1Mlc/Pbx1+
Wnt9btm1Amc/Wnt9btm1Amc
Foxg1tm1(cre)Skm/Foxg1+
involves: 129P2/OlaHsd * 129S6/SvEvTac * 129X1/SvJ MGI:5305933
cn6
Pbx1tm1Mlc/Pbx1tm3.1Mlc
Tg(Mx1-cre)1Cgn/0
involves: 129S6/SvEvTac * C57BL/6 * CBA MGI:4352856
cn7
Pbx1tm1Mlc/Pbx1tm3.1Mlc
Tg(Tek-cre)1Ywa/0
involves: 129S6/SvEvTac * C57BL/6 * SJL MGI:4352855
cx8
Pbx1tm1Mlc/Pbx1tm1Mlc
Pbx2tm1Mlc/Pbx2+
involves: 129S6/SvEvTac MGI:5305928
cx9
Pbx1tm1Mlc/Pbx1tm1Mlc
Pbx3tm1Mlc/Pbx3+
involves: 129S6/SvEvTac MGI:5305929
cx10
Pbx1tm1Mlc/Pbx1+
Pbx2tm1Mlc/Pbx2+
Pbx3tm1Mlc/Pbx3+
involves: 129S6/SvEvTac MGI:5305931
cx11
Pdx1tm1Cvw/Pdx1+
Pbx1tm1Mlc/Pbx1+
involves: 129S6/SvEvTac * C57BL/6 MGI:3052685


Genotype
MGI:4949502
hm1
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm1Mlc
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• small nose

digestive/alimentary system

homeostasis/metabolism
• head edema with E13.5

growth/size/body
• small nose




Genotype
MGI:3052678
hm2
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm1Mlc
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• lethality occurs between E15.5 and E16.5 as a result of anemia

cellular
• diminished chrondocyte proliferation by E13.5

craniofacial
• abnormal skull and hyoid bone in embryonic skeleton
• at E16, the styloid process is thickened and truncated displaying characteristics of the malleus
• at E16, the lesser horn is transformed into an elongated cartilage that resembles Meckel's cartilage
• abnormal malleus in embryonic skeleton
• homeotic transformation of cartilage structures derived from the second arches into structures resembling first arch artery cartilages
• pinna are hypoplastic and malformed at E13.5

digestive/alimentary system
• dorsal and ventral pancreatic hypoplasia at E14
• impaired dorsal endocrine cell differentiation
• stomach hypoplasia

embryo
• agenesis of ventral portions of all ribs
• abnormalities in structures derived from occipital arch, otic capsule and parachrodal plate
• acclerated chrondocyte maturation
• diminished chrondocyte proliferation by E13.5
• malformations in proximal limbs and limb girdles
• homeotic transformation of cartilage structures derived from the second arches into structures resembling first arch artery cartilages
• vertebral and rib malformations showed some asymmetries
• forelimb and proximal hindlimb malformations

endocrine/exocrine glands
• impaired dorsal endocrine cell differentiation
• dorsal and ventral pancreatic hypoplasia at E14
• absence of islet cells

hearing/vestibular/ear
• abnormal malleus in embryonic skeleton
• pinna are hypoplastic and malformed at E13.5

hematopoietic system
• reduced number of cells in liver
• pallor evident at E12.5
• unable to establish multilineage hematopoiesis
• decreased numbers of common myeloid progenitors at E14
• reduced proliferative capacity of common myeloid progenitors
• decreased number of circulating erythrocytes
• decrease in hematocrit and circulating erythrocytes
• spleen aplasia (J:70684)

homeostasis/metabolism
• subcutaneous edema evident at E12.5

immune system
• spleen aplasia (J:70684)

limbs/digits/tail
• forelimb and proximal hindlimb malformations
• proximal humerus fused to scapula, malformed femur

liver/biliary system
• decreased in number of cells, erthyroid and nonerythroid lineages

renal/urinary system
• at E13.0, the cortical region is poorly defined, unlike in control embryos
• a few glomerular structures are seen at E15.0
• at E14.5, the metanephric mesenchyme shows a delay in tubular differentiation and expanded mesenchymal condensates around the ureteric bud tips
• newly formed mesenchymal condensations contain up to 15 cell layers in mutant kidneys relative to 2-4 layers in wild-type kidneys
• at E14.5, BrdU staining revealed high levels of proliferation in the expanded regions of induced mesenchyme
• however, specification and patterning of the stromal compartment is normal
• differentiation of the nephrogenic mesenchyme into nephrons is severely reduced
• at E14.5, mutant metanephroi display an increase in the condensing mesenchyme surrounding ureteric tips
• heterologous recombination studies with explant cultures revealed that defects in metanephric development arise from mesenchymal dysfunction
• at E14.5, mutant kidneys display few comma-and S-shaped structures and lack mature glomeruli, unlike in control embryos
• at E14.5, the nephrogenic zone is severely attenuated
• at E14.5, epithelial conversion of the mutant mesenchyme is delayed; however, nephrogenesis is not completely blocked as few glomerular structures are seen at E15.0
• at E13.0, the medullary region is poorly defined, unlike in control embryos
• at E13.0, mutant kidneys are smaller than wild-type
• at E14.5, mutant kidneys are less than half the size of controls
• at E13.0, most mutant embryos show bilateral formation of hypoplastic kidneys
• at E13.0, a decreased number of differentiating nephrons is observed relative to control embryos
• at E13.0, mutant kidneys are rotated ventrally and mispositioned caudally in the body cavity (J:82126)
• at E13.0, unilateral renal agenesis seen in ~30% of embryos analyzed (right, 36%; left, 64%)
• at E14.5, a 3-fold reduction in the number of ureteric bud tips is observed in the renal cortex relative to wild-type controls
• at E14.5, the ureteric tree appears disorganized; ureteric bifurcations are less defined resulting in a webbed pattern at branch points
• at E14.5, a dichotomous branching pattern is maintained; however, elongation of the ureter is impaired with shorter intervals between subsequent branches

reproductive system
• impaired differentiation of gonads

respiratory system

skeleton
• diminished chrondocyte proliferation by E13.5
• proximal humerus fused to scapula, malformed femur
• abnormal clavicle in embyonic skeleton
• abnormal proximal scapula in embryonic skeleton
• abnormal pelvic girdle in embryonic skeleton
• abnormal skull, rib, sternum and vertebrae development in embryonic skeleton
• abnormal skull and hyoid bone in embryonic skeleton
• at E16, the styloid process is thickened and truncated displaying characteristics of the malleus
• at E16, the lesser horn is transformed into an elongated cartilage that resembles Meckel's cartilage
• abnormal malleus in embryonic skeleton
• acclerated chrondocyte maturation in embryonic cartilage

growth/size/body
• pinna are hypoplastic and malformed at E13.5
• slender thorax and abdomen at E13.5

integument
• subcutaneous edema evident at E12.5
• at E13.5

muscle
• fundus of stomach herniated into thorax in one of three mice
• abnormal muscle patterning in the diaphragm




Genotype
MGI:3052679
ht3
Allelic
Composition
Pbx1tm1Mlc/Pbx1+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• abnormal clustering of islets
• inappropriate decrease in insulin secretion following glucose challenge

growth/size/body

homeostasis/metabolism
• inappropriate decrease in insulin secretion following glucose challenge




Genotype
MGI:3783741
ht4
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm2.1Mlc
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Pbx1tm2.1Mlc mutation (0 available); any Pbx1 mutation (40 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• embryos die by E15 with significant defects in myeloid development

hematopoietic system
• B cells are significantly reduced in irradiated recipient mice 8- and 12- weeks after transfer of fetal liver cells from mutant embryos
• CD4 T cells are reduced in irradiated recipient mice 8- and 12- weeks after transfer of fetal liver cells from mutant embryos
• CD8 T cells are reduced in irradiated recipient mice 8- and 12- weeks after transfer of fetal liver cells from mutant embryos

immune system
• B cells are significantly reduced in irradiated recipient mice 8- and 12- weeks after transfer of fetal liver cells from mutant embryos
• CD4 T cells are reduced in irradiated recipient mice 8- and 12- weeks after transfer of fetal liver cells from mutant embryos
• CD8 T cells are reduced in irradiated recipient mice 8- and 12- weeks after transfer of fetal liver cells from mutant embryos
• lymph node follicles are disorganized in irradiated recipient mice after transfer of fetal liver cells from mutant embryos

liver/biliary system
• fetal liver is about 20% size of normal




Genotype
MGI:5305933
cn5
Allelic
Composition
Pbx1tm1Mlc/Pbx1+
Wnt9btm1Amc/Wnt9btm1Amc
Foxg1tm1(cre)Skm/Foxg1+
Genetic
Background
involves: 129P2/OlaHsd * 129S6/SvEvTac * 129X1/SvJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxg1tm1(cre)Skm mutation (2 available); any Foxg1 mutation (29 available)
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Wnt9btm1Amc mutation (0 available); any Wnt9b mutation (23 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• bilateral cleft lip in all mice

digestive/alimentary system

growth/size/body
• bilateral cleft lip in all mice




Genotype
MGI:4352856
cn6
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm3.1Mlc
Tg(Mx1-cre)1Cgn/0
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6 * CBA
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Pbx1tm3.1Mlc mutation (1 available); any Pbx1 mutation (40 available)
Tg(Mx1-cre)1Cgn mutation (7 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• defects in the stem cell compartment are identical to mice heterozygous for Pbx1tm1Mlc and Pbx1tm3.1Mlc and carrying Tg(Tek-cre)1Ywa
• reduction in the number of common lymphoid progenitor cells
• assays indicate that long term hematopoietic stem cells are impaired in self renewal
• significant reduction in the number of long term hematopoietic stem cells




Genotype
MGI:4352855
cn7
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm3.1Mlc
Tg(Tek-cre)1Ywa/0
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Pbx1tm3.1Mlc mutation (1 available); any Pbx1 mutation (40 available)
Tg(Tek-cre)1Ywa mutation (6 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• pronounced histological disorganization is seen in young mice
• seen in young mice
• decrease in size is mainly the result of a decrease in the number of CD45+ hematopoietic cells
• slight decrease in the number of granulocyte-monocyte progenitor (GMP) cells
• decrease in the frequency of colony forming cells in semi solid culture
• reduction in stem cell and progenitor cell numbers increases progressively with age starting around 2 weeks of age
• in competitive repopulation assays mutant bone marrow cells are unable to compete with wild-type cells
• cells can engraft under noncompetitive conditions but show long term progressive graft failure
• decrease in B cell numbers is first significant at the pro-B stage
• hypocellular mostly as a result of a decrease in the numbers of B lineage cells
• marked reduction in the number of common lymphoid progenitor cells
• in the bone marrow
• of the subpopulations of B cells, pre-B cells are the most reduced in number
• all T cell lineages are reduced in number in the thymus starting from the earliest immature DN1 stage
• decrease in the number of DN1 cells
• increase in proliferation of long term hematopoietic stem cells suggesting a decrease in the pool of quiescent stem cells
• secondary transplant assays indicate that long term hematopoietic stem cells are impaired in self renewal
• marked reduction in the Lin-c-Kit+Sca-1+ cell population
• significant reduction in the number of long term hematopoietic stem cells
• pronounced histological disorganization is seen in young mice
• seen in young mice
• decrease in size is mainly the result of a decrease in the number of CD45+ hematopoietic cells

immune system
• pronounced histological disorganization is seen in young mice
• seen in young mice
• decrease in size is mainly the result of a decrease in the number of CD45+ hematopoietic cells
• decrease in B cell numbers is first significant at the pro-B stage
• in the bone marrow
• of the subpopulations of B cells, pre-B cells are the most reduced in number
• all T cell lineages are reduced in number in the thymus starting from the earliest immature DN1 stage
• decrease in the number of DN1 cells
• pronounced histological disorganization is seen in young mice
• seen in young mice
• decrease in size is mainly the result of a decrease in the number of CD45+ hematopoietic cells

endocrine/exocrine glands
• pronounced histological disorganization is seen in young mice
• seen in young mice
• decrease in size is mainly the result of a decrease in the number of CD45+ hematopoietic cells




Genotype
MGI:5305928
cx8
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm1Mlc
Pbx2tm1Mlc/Pbx2+
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (14 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• bilateral or unilateral
• abnormally fused at E11.5 with persistence of an abnormal bridge connecting their posterior aspects to the anterior maxillary process
• abnormally fused at E11.5 with persistence of an abnormal bridge connecting their posterior aspects to the anterior maxillary process
• abnormally fused at E11.5 with persistence of an abnormal bridge connecting their posterior aspects to the anterior maxillary process
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• small nose

homeostasis/metabolism
• head edema with E13.5

skeleton
• bilateral or unilateral

digestive/alimentary system

growth/size/body
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• small nose




Genotype
MGI:5305929
cx9
Allelic
Composition
Pbx1tm1Mlc/Pbx1tm1Mlc
Pbx3tm1Mlc/Pbx3+
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Pbx3tm1Mlc mutation (0 available); any Pbx3 mutation (35 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial
• bilateral or unilateral
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• small nose

homeostasis/metabolism
• head edema with E13.5

skeleton
• bilateral or unilateral

digestive/alimentary system
• bilateral or unilateral cleft lip and/or palate

growth/size/body
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• bilateral or unilateral cleft lip and/or palate
• small nose




Genotype
MGI:5305931
cx10
Allelic
Composition
Pbx1tm1Mlc/Pbx1+
Pbx2tm1Mlc/Pbx2+
Pbx3tm1Mlc/Pbx3+
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Pbx2tm1Mlc mutation (0 available); any Pbx2 mutation (14 available)
Pbx3tm1Mlc mutation (0 available); any Pbx3 mutation (35 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
craniofacial

digestive/alimentary system

mortality/aging

growth/size/body




Genotype
MGI:3052685
cx11
Allelic
Composition
Pdx1tm1Cvw/Pdx1+
Pbx1tm1Mlc/Pbx1+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pbx1tm1Mlc mutation (0 available); any Pbx1 mutation (40 available)
Pdx1tm1Cvw mutation (1 available); any Pdx1 mutation (35 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
endocrine/exocrine glands
• disrupted architecture, inappropriate cell types interspersed with beta cells

growth/size/body
• 9-10 weeks

homeostasis/metabolism
• onset between 9-10 weeks, progresses to overt diabetes

renal/urinary system





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last database update
11/12/2024
MGI 6.24
The Jackson Laboratory