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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Pou4f3+
wild type
MGI:1857426
Summary 8 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
ht1
Pou4f3tm1.1(HBEGF)Jsto/Pou4f3+ either: (involves: 129S4/SvJaeSor * C57BL/6) or (involves: 129S4/SvJaeSor * CBA/J) MGI:5467595
ht2
Pou4f3tm1Rsd/Pou4f3+ involves: 129S4/SvJae * C57BL/6 MGI:3688923
ht3
Pou4f3tm1.1(HBEGF)Rubel/Pou4f3+ involves: 129S4/SvJaeSor * C57BL/6J * CBA/J MGI:5902980
ht4
Pou4f3tm1Wagq/Pou4f3+ involves: 129S6/SvEvTac * C57BL/6J MGI:8220064
ht5
Pou4f3tm1Wagq/Pou4f3+ involves: 129S6/SvEvTac * C57BL/6J * FVB/N MGI:8220069
ht6
Pou4f3em1(cre/ERT2)Yss/Pou4f3+ involves: C57BL/6J MGI:8220077
ht7
Pou4f3em1(cre/ERT2)Yss/Pou4f3+ involves: C57BL/6J * FVB/NJ MGI:8220079
cn8
Pou4f3em1(cre/ERT2)Yss/Pou4f3+
Tmem63bem2Yss/Tmem63bem2Yss
involves: C57BL/6N MGI:6693368


Genotype
MGI:5467595
ht1
Allelic
Composition
Pou4f3tm1.1(HBEGF)Jsto/Pou4f3+
Genetic
Background
either: (involves: 129S4/SvJaeSor * C57BL/6) or (involves: 129S4/SvJaeSor * CBA/J)
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3tm1.1(HBEGF)Jsto mutation (1 available); any Pou4f3 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
mortality/aging
• some diphtheria toxin-treated mice must be euthanized due to sustained vestibulomotor problems and weight loss

hearing/vestibular/ear
• fragmented 7 days after diphtheria toxin treatment
• replacement hair cells in diphtheria toxin-treated mice have short stereociliary bundles, multipolar shapes and innervation characteristic of type II hair cells
• in diphtheria toxin-treated mice
• a higher doses does not increase hair cell loss
• however, mice exhibit some hair cell replacement in the lateral extrastriolar region of the utricle with neural elements
• disorganized 7 days after diphtheria toxin treatment
• after 14 days of diphtheria toxin treatment, remaining hair cells exhibit either a long bundle of stereocilia, a very short bundle or no bundle concentrated in the presumed lateral extrastriolar region
• replacement hair cells in diphtheria toxin-treated mice have short stereociliary bundles, multipolar shapes and innervation characteristic of type II hair cells
• expansion of supporting cells 7 days after diphtheria toxin treatment with occupation of most of the sensory epithelium after 14 days of diphtheria toxin treatment
• supporting cell densities decline as hair cells are replaced in diphtheria toxin-treated mice
• supporting cells are converted directly into hair cells in diphtheria toxin-treated mice and are not being rapidly replaced by supporting cell division following diphtheria toxin-mediated hair cell damage
• at 3 and 7 days post-diphtheria toxin treatment, mice exhibit vestibulomotor dysfunction that persists as late as 180 days post treatment

behavior/neurological
• at 3 and 7 days post-diphtheria toxin treatment, mice exhibit vestibulomotor dysfunction that persists as late as 180 days post treatment
• at 3 and 7 days post-diphtheria toxin treatment
• however, symptoms are improved by assistance of fluid injections and high calorie food supplementation
• staggering gait at 3 and 7 days post-diphtheria toxin treatment
• however, symptoms are improved by assistance of fluid injections and high calorie food supplementation
• at 3 and 7 days post-diphtheria toxin treatment
• however, symptoms are improved by assistance of fluid injections and high calorie food supplementation

growth/size/body
• at 3 and 7 days post-diphtheria toxin treatment
• however, symptoms are improved by assistance of fluid injections and high calorie food supplementation

nervous system
• fragmented 7 days after diphtheria toxin treatment
• replacement hair cells in diphtheria toxin-treated mice have short stereociliary bundles, multipolar shapes and innervation characteristic of type II hair cells
• in diphtheria toxin-treated mice
• a higher doses does not increase hair cell loss
• however, mice exhibit some hair cell replacement in the lateral extrastriolar region of the utricle with neural elements
• disorganized 7 days after diphtheria toxin treatment
• after 14 days of diphtheria toxin treatment, remaining hair cells exhibit either a long bundle of stereocilia, a very short bundle or no bundle concentrated in the presumed lateral extrastriolar region
• replacement hair cells in diphtheria toxin-treated mice have short stereociliary bundles, multipolar shapes and innervation characteristic of type II hair cells




Genotype
MGI:3688923
ht2
Allelic
Composition
Pou4f3tm1Rsd/Pou4f3+
Genetic
Background
involves: 129S4/SvJae * C57BL/6
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3tm1Rsd mutation (0 available); any Pou4f3 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
N
• at 2, 18 and 24 months of age, heterozygotes exhibit a comparable hearing to wild-type mice, with similar patterns of cochlear degeneration
• both heterozygous and wild-type mice display a ~30 dB hearing loss beginning at 18 months of age, outer hair cell degeneration and loss of spiral ganglion neurons in the basal turn

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
NOT autosomal dominant nonsyndromic deafness 15 DOID:0110546 OMIM:602459
J:57149




Genotype
MGI:5902980
ht3
Allelic
Composition
Pou4f3tm1.1(HBEGF)Rubel/Pou4f3+
Genetic
Background
involves: 129S4/SvJaeSor * C57BL/6J * CBA/J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3tm1.1(HBEGF)Rubel mutation (0 available); any Pou4f3 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• loss of virtually all hair cells by 6 days after injection (dpi) in mature (P21-P28) mice and 8 dpi in neonate (P5) mice
• loss of virtually all hair cells by 6 days after injection (dpi) in mature (P21-P28) mice and 8 dpi in neonate (P5) mice
• owing to loss of virtually all cochlear hair cells by 6 days after injection (dpi) in mature (P21-P28) mice and 8 dpi in neonate (P5) mice
• after injection with Diphtheria Toxin (DT)
• 3 days after injection (dpi) in P30-35 mice, only 16 kHz signals greater than 60 dB SPL evoked an ABR
• 5 dpi in P30-35 mice, no ABR at any frequency at up to 90 dB SPL
• impairment persists till at least 3 months
• in mice injected as neonates, neurons die as a consequence of hair cell loss
• a significant loss of spiral ganglion neurons (SGNs) in the ventral cochlear nucleus (VCN) from 6 days after injection (dpi) and persisting up to 70 dpi in mice injected at P2 or P5
• at 70 dpi in mice injected at P2, the axons terminating in the inner hair cell region were much less dense and the number of axons crossing the organ of Corti was reduced by 90%
• significant reduction in cross-sectional area in VCN neurons at 21 dpi for neonatal injected mice and at 71 dpi in mature injected mice

nervous system
• loss of virtually all hair cells by 6 days after injection (dpi) in mature (P21-P28) mice and 8 dpi in neonate (P5) mice
• loss of virtually all hair cells by 6 days after injection (dpi) in mature (P21-P28) mice and 8 dpi in neonate (P5) mice
• at 70 dpi in mice injected at P2, the axons terminating in the inner hair cell region were much less dense and the number of axons crossing the organ of Corti was reduced by 90%
• a significant loss of spiral ganglion neurons (SGNs) in the ventral cochlear nucleus (VCN) from 6 days after injection (dpi) and persisting up to 70 dpi in mice injected at P2 or P5
• no significant loss of SGNs in the VCN at 21 or 70 dpi in mice injected at P21
• significant reduction in cross-sectional area in VCN neuron cell bodies at 21 dpi for neonatal injected mice and at 71 dpi in mature injected mice




Genotype
MGI:8220064
ht4
Allelic
Composition
Pou4f3tm1Wagq/Pou4f3+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3tm1Wagq mutation (0 available); any Pou4f3 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
N
• rotarod tests indicate vestibular function is intact
• decreased mitochondrial density and mitochondrial vacuolization
• at 6 months of age stereociliary bundles are fused and elongated at both turns
• decreased mitochondrial density and mitochondrial vacuolization
• some outer hair cells are missing at the 32 kHz region
• many OHCs are lost in the middle-basal turn and replaced with filled flat epithelium in mice at 6 months of age
• remaining OHCs appear to have fewer steriocilia bundles at 6 months of age
• selective degeneration of outer but not inner hair cells at the 32 kHz region at 4-6 months of age
• utricular sensory epithelia appears smaller compared to wild-type controls
• reduced peak 1 amplitudes at 32 kHz at 2 months of age
• at 3 and 7 months of age P1 amplitudes are significantly and progressively altered from high to low cochlear frequencies
• at 3 and 7 months of age ABR thresholds are significantly and progressively altered from high to low cochlear frequencies
• at 3 and 7 months of age DPOAE thresholds are significantly and progressively altered from high to low cochlear frequencies
• adult onset, progressive hearing loss starting with high frequencies
• Background Sensitivity: hearing loss is earlier compared to mice crossed onto an FVB/N background
• treatment with 4-diethylaminobenzaldehyde (an aldehyde dehydrogenase inhibitor) protected hearing function during the treatment period

cellular
• decreased mitochondrial density and mitochondrial vacuolization in cochlear inner and outer hair cells

nervous system
• decreased mitochondrial density and mitochondrial vacuolization
• at 6 months of age stereociliary bundles are fused and elongated at both turns
• decreased mitochondrial density and mitochondrial vacuolization
• some outer hair cells are missing at the 32 kHz region
• many OHCs are lost in the middle-basal turn and replaced with filled flat epithelium in mice at 6 months of age
• remaining OHCs appear to have fewer steriocilia bundles at 6 months of age
• selective degeneration of outer but not inner hair cells at the 32 kHz region at 4-6 months of age

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
autosomal dominant nonsyndromic deafness 15 DOID:0110546 OMIM:602459
J:296699




Genotype
MGI:8220069
ht5
Allelic
Composition
Pou4f3tm1Wagq/Pou4f3+
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6J * FVB/N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3tm1Wagq mutation (0 available); any Pou4f3 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• significant loss of OHCs at 32 kHz at 12 months of age
• decrease in P1 amplitudes at most frequencies
• increased thresholds at high frequencies at 12 months of age
• increased thresholds at high frequencies at 12 months of age
• at 4 months of age exposure to acoustic trauma induced more severe hearing loss compared to similarly treated wild-type mice
• at 12 months of age
• Background Sensitivity: hearing loss is later compared to mice on a mixed 129S6/SvEvTac and C57BL/6J background

nervous system
• significant loss of OHCs at 32 kHz at 12 months of age




Genotype
MGI:8220077
ht6
Allelic
Composition
Pou4f3em1(cre/ERT2)Yss/Pou4f3+
Genetic
Background
involves: C57BL/6J
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3em1(cre/ERT2)Yss mutation (0 available); any Pou4f3 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• significantly degenerated at 32 kHz at 3 months of age
• reduced peak 1 amplitudes at across all frequencies at 3 months of age
• increased at 32 kHz at 3 months of age

nervous system
• significantly degenerated at 32 kHz at 3 months of age




Genotype
MGI:8220079
ht7
Allelic
Composition
Pou4f3em1(cre/ERT2)Yss/Pou4f3+
Genetic
Background
involves: C57BL/6J * FVB/NJ
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3em1(cre/ERT2)Yss mutation (0 available); any Pou4f3 mutation (26 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• significantly loss at multiple frequencies at 9 months of age
• at 9 months of age

nervous system
• significantly loss at multiple frequencies at 9 months of age




Genotype
MGI:6693368
cn8
Allelic
Composition
Pou4f3em1(cre/ERT2)Yss/Pou4f3+
Tmem63bem2Yss/Tmem63bem2Yss
Genetic
Background
involves: C57BL/6N
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Pou4f3em1(cre/ERT2)Yss mutation (0 available); any Pou4f3 mutation (26 available)
Tmem63bem2Yss mutation (0 available); any Tmem63b mutation (49 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hearing/vestibular/ear
• in tamoxifen-treated mice
• auditory brainstem response thresholds are elevated in tamoxifen-treated mice
• distortion product otoacoustic emission thresholds are elevated in tamoxifen-treated mice
• tamoxifen-treated mice exhibit hearing loss

nervous system
• in tamoxifen-treated mice





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last database update
01/13/2026
MGI 6.24
The Jackson Laboratory