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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Foxc1+
wild type
MGI:1857870
Summary 12 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Foxc1tm1Blh/Foxc1+ 129S6/SvEvTac-Foxc1tm1Blh MGI:3811484
ht2
Foxc1tm1Blh/Foxc1+ B6.Cg-Foxc1tm1Blh MGI:3655827
ht3
Foxc1ch/Foxc1+ CHMU/Le MGI:3811487
ht4
Foxc1tm1Blh/Foxc1+ involves: 129S6/SvEvTac * Black Swiss MGI:3811488
ht5
Foxc1tm1Blh/Foxc1+ involves: 129S6/SvEvTac * C57BL/6J MGI:3811486
ht6
Foxc1tm1Blh/Foxc1+ involves: 129S6/SvEvTac * CAST/Ei MGI:3811485
ht7
Foxc1ch/Foxc1+ involves: C57BL/6 * CHMU/Le MGI:3811565
ht8
Foxc1ch/Foxc1+ involves: CBA * STOCK Tyrc f MGI:3813455
cx9
Foxc1tm1Blh/Foxc1+
Tyrc-2J/Tyrc-2J
B6.Cg-Tyrc-2J Foxc1tm1Blh MGI:3655825
cx10
Foxc1tm1Blh/Foxc1+
Foxc2tm1Blh/Foxc2tm1Blh
involves: 129S6/SvEvTac MGI:3811361
cx11
Foxc1tm1Blh/Foxc1+
Foxc2tm1Blh/Foxc2+
involves: 129S6/SvEvTac * Black Swiss MGI:2170671
cx12
Foxc1tm1Blh/Foxc1+
Foxc2tm1Blh/Foxc2tm1Blh
involves: 129S6/SvEvTac * Black Swiss MGI:3622549


Genotype
MGI:3811484
ht1
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Genetic
Background
129S6/SvEvTac-Foxc1tm1Blh
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• Background Sensitivity: incidence and severity of anterior segment abnormalities varies with strain background
• 2 of 8 mice had obvious anterior segment abnormalities at 11 months of age
• most eyes contain morphologically normal and abnormal regions of the iridocorneal angle
• abnormalities include large blood vessels and iris strands
• small or absent
• in some areas the canal of Schlemm is absent, in others it is relatively normal but contains fewer giant vacuoles, and in still others it has a normal appearance
• areas may be hypoplastic or absent
• in some places the trabecular meshwork appears compressed
• some areas where the trabecular meshwork is absent contain cells that resemble mesenchymal precursor cells
• some abnormal areas show a decrease in the amount of extracellular matrix components present
• at 11 months of age in 2 of 8 mice, the left pupil in was eccentric
• seen in the left eyes of 2 of 8 mice at 11 months of age
• at 11 months of age in 1 of 8 mice in the right eye, the focal region of the peripheral cornea was opaque and resemble sclera




Genotype
MGI:3655827
ht2
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Genetic
Background
B6.Cg-Foxc1tm1Blh
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• pigmented mice had mild developmental defects than compared to albino Tyrc-2J/Tyrc-2J, Foxc1tm1Blh /Foxc1+ mice
• mild hypoplasia

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
buphthalmos DOID:11211 OMIM:231300
J:82280




Genotype
MGI:3811487
ht3
Allelic
Composition
Foxc1ch/Foxc1+
Genetic
Background
CHMU/Le
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1ch mutation (1 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• despite these abnormalities intraocular pressure is rarely increased
• 48 of 51 had clinically detectable abnormalities with 40 mice having bilateral abnormalities
• present in some older mice
• most eyes contain morphologically normal and abnormal regions of the iridocorneal angle
• abnormalities include large blood vessels and iris strands
• small or absent
• areas may be hypoplastic or absent
• in some places the trabecular meshwork appears compressed
• some areas where the trabecular meshwork is absent contain cells that resemble mesenchymal precursor cells
• short and thin ciliary processes in some mice
• some eyes have a focally hypoplastic ciliary body with short and thin ciliary processes
• some have very large pupils resembling the phenotype associated with aniridia
• tend to be more severe than in Foxc1tm1Blh heterozygotes on a C57BL/6J containing background
• seen in about 25% of mice and the incidence increase with age

cardiovascular system
• present in some older mice




Genotype
MGI:3811488
ht4
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Genetic
Background
involves: 129S6/SvEvTac * Black Swiss
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• Background Sensitivity: incidence and severity of anterior segment abnormalities varies with strain background
• most eyes contain morphologically normal and abnormal regions of the iridocorneal angle
• abnormalities include large blood vessels and iris strands
• areas may be hypoplastic or absent
• in some places the trabecular meshwork appears compressed
• 1 of 20 mice had abnormal processes extending from the iris
• eccentric pupil present in 1 of 20 mice
• seen in 1 of 20 mice
• hypoplastic development

pigmentation




Genotype
MGI:3811486
ht5
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• despite abnormalities intraocular pressure is not increased
• Background Sensitivity: incidence and severity of anterior segment abnormalities varies with strain background
• at N2 4 of 12 mice had anterior segment abnormalities
• at N3 and higher generations, 20 of 21 mice had anterior segment abnormalities
• 17 of 24 affected mice had abnormalities in both eyes
• most eyes contain morphologically normal and abnormal regions of the iridocorneal angle
• abnormalities include large blood vessels and iris strands
• areas may be hypoplastic or absent
• in some places the trabecular meshwork appears compressed
• some areas where the trabecular meshwork is absent contain cells that resemble mesenchymal precursor cells
• displaced and/or enlarged
• tears are present
• severely misplaced in some mice
• some mice had irregular pupils with normal locations others have irregular pupils with iris tears
• scleralization of the peripheral cornea
• iris strands are frequently attached to the cornea




Genotype
MGI:3811485
ht6
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Genetic
Background
involves: 129S6/SvEvTac * CAST/Ei
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
N
• Background Sensitivity: unlike mice on other backgrounds no clinical anterior segment abnormalities are seen in mice crossed onto the CAST/Ei background
• most eyes contain morphologically normal and abnormal regions of the iridocorneal angle
• abnormalities include large blood vessels and iris strands
• areas may be hypoplastic or absent
• in some places the trabecular meshwork appears compressed
• some areas where the trabecular meshwork is absent contain cells that resemble mesenchymal precursor cells




Genotype
MGI:3811565
ht7
Allelic
Composition
Foxc1ch/Foxc1+
Genetic
Background
involves: C57BL/6 * CHMU/Le
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1ch mutation (1 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
renal/urinary system
• seen in 1 of 15 mice
• seen in 1 of 15 mice




Genotype
MGI:3813455
ht8
Allelic
Composition
Foxc1ch/Foxc1+
Genetic
Background
involves: CBA * STOCK Tyrc f
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1ch mutation (1 available); any Foxc1 mutation (30 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
nervous system
N
• unlike homozygotes, no cases of hydrocephalus are seen

renal/urinary system
• at 4 weeks of age about 1/6 of mice have urogenital abnormalities
• abnormal arrangement of the renal arteries and veins may be seen at P0 but with a lower incidence compared to homozygotes
• at 4 weeks of age about 50% of mice have an abnormal right renal artery
• incidence is less than that in homozygotes
• incidence is less than that in homozygotes

reproductive system
• at 4 weeks of age about 1/6 of mice have urogenital abnormalities
• may be located more anteriorly than in controls
• this occurs with a lower incidence compared to homozygotes
• may be located more anteriorly than in controls
• this occurs with a lower incidence compared to homozygotes

skeleton
• the border of the foramen magnum at the suture between the supraoccipital and exoccipital is slightly concave rather than straight or slightly convex as in controls
• may have defects on the ventral side
• in some mice at 4 weeks of age, the anterior and posterior halves of the sternum consist of separate bones
• the neural canal is wider and more rounded at its ventral border and the lateral vertebral foramen is often open dorsolaterally

craniofacial
• the border of the foramen magnum at the suture between the supraoccipital and exoccipital is slightly concave rather than straight or slightly convex as in controls

respiratory system
• may have defects on the ventral side

endocrine/exocrine glands
• may be located more anteriorly than in controls
• this occurs with a lower incidence compared to homozygotes
• may be located more anteriorly than in controls
• this occurs with a lower incidence compared to homozygotes

cardiovascular system
• abnormal arrangement of the renal arteries and veins may be seen at P0 but with a lower incidence compared to homozygotes
• at 4 weeks of age about 50% of mice have an abnormal right renal artery




Genotype
MGI:3655825
cx9
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Tyrc-2J/Tyrc-2J
Genetic
Background
B6.Cg-Tyrc-2J Foxc1tm1Blh
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
Tyrc-2J mutation (28 available); any Tyr mutation (382 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
vision/eye
• albino mice had severe and more extensive angle developmental defects than pigmented Foxc1tm1Blh /Foxc1+ mice
• a small or absent Schlemm's canal
• basal lamina extending from the cornea over the trabecular meshwork
• broad synechiae occupies the region where the trabecular meshwork is normally located

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
buphthalmos DOID:11211 OMIM:231300
J:82280




Genotype
MGI:3811361
cx10
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Foxc2tm1Blh/Foxc2tm1Blh
Genetic
Background
involves: 129S6/SvEvTac
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
Foxc2tm1Blh mutation (0 available); any Foxc2 mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
embryo
• at E9.5, mesonephric tissue is expanded and disorganized compared to in wild-type mice
• somites are very narrow and irregular




Genotype
MGI:2170671
cx11
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Foxc2tm1Blh/Foxc2+
Genetic
Background
involves: 129S6/SvEvTac * Black Swiss
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
Foxc2tm1Blh mutation (0 available); any Foxc2 mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• most embryos die between E14.5 and birth
• double heterozygotes shown signs of cardiac failure between E13.5 and E15.5

cardiovascular system
• major malformations in the branchial arch arteries and heart are found in all double heterozygotes
• in 2 of 3 embryos examined on E10.5 and 11.5 a blister like defect is seen on the wall of left arch artery 4
• coarctation of the arch of the aorta is found in 8 of 17 embryos at E13.5
• at E12.5 and 13.5 type B interruption of the arch of the aorta is seen
• the number of coronary vessels is decreased in embryos examined between E15.5 and E17.5
• in embryos collected between E13.5 and E15.5 the superior caval veins are overexpanded
• the thickness of the myocardium of the ventricles is decreased in all double heterozygotes between E13.5 and E17.5
• the extent of trabeculations of the ventricles is decreased in all double heterozygotes between E13.5 and E17.5
• the membraneous portion of the ventricular septum fails to fuse at E13.5 (15 out of 17)
• at E13.5 dysplasia of the semilunar valves is found (8 out of 17)
• the leaflets are thickened and partially fused
• at E13.5 dysplasia of the semilunar valves is found (8 out of 17)
• the leaflets are thickened and partially fused

homeostasis/metabolism
• 65% of embryos collected between E13.5 and E15.5 are edematous

liver/biliary system
• the fetal liver is enlarged and engorged with blood

renal/urinary system
• 26% of newborn double heterozygotes display hydronephrosis
• 7 of 19 newborn double heterozygotes have hypoplastic kidneys (less than 3/4 of wild-type length)
• hypoplastic kidneys are either unilateral (71%) or bilateral (29%)
• 5% of newborn double heterozygotes show renal agenesis
• 1 of 19 newborn double heterozygotes had a duplex kidney and double ureters
• 1 of 19 newborn double heterozygotes had a duplex kidney and double ureters
• 13 of 19 double heterozygotes have a single hydroureter
• hydroureter is either unilateral (85%) or bilateral (15%)
• at E10.5, 2 of 3 double heterozygotes show a much broader outgrowth of the ureteric bud
• at E11.0, 3 of 4 double heterozygotes exhibit an ectopic ureteric bud

skeleton
N
• no gross malformations of the vertebral column, ribs, or skull are found

embryo
• major malformations in the branchial arch arteries and heart are found in all double heterozygotes
• in 2 of 3 embryos examined on E10.5 and 11.5 a blister like defect is seen on the wall of left arch artery 4
• double heterozygotes display extra mesonephric tubules distributed caudally between somites 16 and 23

vision/eye
• abnormalities similar to those in Foxc1tm1Blh heterozygotes are seen
• areas may be hypoplastic or absent
• intermittent abnormalities are seen
• more severely affected than in either single heterozygote
• almost completely absent in some areas
• corneal ulcers and immune cell infiltrates are present in some eyes
• present in some eyes
• in some cases

muscle
• the thickness of the myocardium of the ventricles is decreased in all double heterozygotes between E13.5 and E17.5
• the extent of trabeculations of the ventricles is decreased in all double heterozygotes between E13.5 and E17.5

craniofacial
• major malformations in the branchial arch arteries and heart are found in all double heterozygotes
• in 2 of 3 embryos examined on E10.5 and 11.5 a blister like defect is seen on the wall of left arch artery 4

growth/size/body
• the fetal liver is enlarged and engorged with blood




Genotype
MGI:3622549
cx12
Allelic
Composition
Foxc1tm1Blh/Foxc1+
Foxc2tm1Blh/Foxc2tm1Blh
Genetic
Background
involves: 129S6/SvEvTac * Black Swiss
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Foxc1tm1Blh mutation (0 available); any Foxc1 mutation (30 available)
Foxc2tm1Blh mutation (0 available); any Foxc2 mutation (19 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• mutant embryos die at ~E10.5, with a more severe phenotype than that of double heterozygotes or either single homozygote alone

cardiovascular system
• at E10.5, mutant embryos show extensive defects in the remodeling of blood vessels in the head and body
• at E10.5, mutant embryos exhibit variable and multiple branchial arch artery abnormalities, including an enlarged third BA artery with an ectopic branch, thin BA arteries, and generally disorganized BA arteries
• enlarged in some mice

craniofacial
• at E10.5, mutant embryos exhibit variable and multiple branchial arch artery abnormalities, including an enlarged third BA artery with an ectopic branch, thin BA arteries, and generally disorganized BA arteries
• enlarged in some mice
• at E10.5, mutant embryos lack a second branchial arch

embryo
• at E10.5, mutant embryos exhibit variable and multiple branchial arch artery abnormalities, including an enlarged third BA artery with an ectopic branch, thin BA arteries, and generally disorganized BA arteries
• enlarged in some mice
• at E10.5, mutant embryos lack a second branchial arch
• at E10.5, mutant embryos have abnormally shaped somites
• at E10.5, mutant embryos have abnormally small somites





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last database update
03/24/2026
MGI 6.24
The Jackson Laboratory