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Gene Expression Data
Assay Details
Assay
Reference: J:342400 Beisel KW, et al., Differential expression of KCNQ4 in inner hair cells and sensory neurons is the basis of progressive high-frequency hearing loss. J Neurosci. 2005 Oct 5;25(40):9285-93
Assay type: Immunohistochemistry
MGI Accession ID: MGI:7548785
Gene symbol: Kcnq4
Gene name: potassium voltage-gated channel, subfamily Q, member 4
Antibody: anti-KCNQ4
Detection system: Secondary antibody coupled to Alexa Fluor
Assay notes: There were no differences observed when using either antiserum alone or in combination.
Results
Specimen 4A1: postnatal day 0 (more )
Note: apical region
Structure Level Pattern Image Note
TS27: organ of Corti Present Regionally restricted 4A1 No expression in the apical region.

Specimen 4A2: postnatal day 0 (more )
Note: basal hook region
Structure Cell Type Level Pattern Image Note
TS27: organ of Corti cochlear inner hair cell Present 4A2 Expressed in the basal hook region.
TS27: organ of Corti cochlear outer hair cell Present 4A2 Expressed in the basal hook region.

Specimen 4A3: postnatal day 8 (more )
Note: apical region
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Present Regionally restricted 4A3 The developmental upregulation had reached the apical turn.
TS28: organ of Corti cochlear outer hair cell Present Regionally restricted 4A3 The developmental upregulation had reached the apical turn.

Specimen 4A4: postnatal day 8 (more )
Note: basal hook region
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Present 4A4 The basal hook region showed the adult expression pattern.
TS28: organ of Corti cochlear outer hair cell Present 4A4 The basal hook region showed the adult expression pattern.

Specimen 4A5: postnatal day 21 (more )
Note: apical region
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Present Regionally restricted 4A5 All hair cells, except those in the apical tip, had acquired the adult pattern.
TS28: organ of Corti cochlear outer hair cell Present Regionally restricted 4A5 All hair cells, except those in the apical tip, had acquired the adult pattern.

Specimen 4A6: postnatal day 21 (more )
Note: basal hook region
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Present 4A6 All hair cells, except those in the apical tip, had acquired the adult pattern.
TS28: organ of Corti cochlear outer hair cell Present 4A6 All hair cells, except those in the apical tip, had acquired the adult pattern.

Specimen 5A: postnatal day 21 (more )
Note: Double labeled: red - Kcnq4; green - Myo7a (assay MGI:7548787).
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Present Graded 5A inset , 5A A basal to apical longitudinal gradients were seen. The inset showed the last vestiges of developmental upregulation of expression in IHCs at the very apical tip.
TS28: organ of Corti cochlear outer hair cell Present Graded 5A inset , 5A A apical to basal longitudinal gradients were seen.

Specimen 5B: postnatal day 21 (more )
Note: Apical region. Double labeled: red - Kcnq4; green - Myo7a (assay MGI:7548787).
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear outer hair cell Strong 5B
TS28: organ of Corti cochlear inner hair cell Weak 5B

Specimen 5C: postnatal day 21 (more )
Note: Mid-turn region. Double labeled: red - Kcnq4; green - Myo7a (assay MGI:7548787).
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Present 5C
TS28: organ of Corti cochlear outer hair cell Present 5C

Specimen 5E/F: postnatal day 21 (more )
Note: Basal hook region. Double labeled: red - Kcnq4; green - Myo7a (assay MGI:7548787).
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear outer hair cell Present 5E , 5F
TS28: organ of Corti cochlear inner hair cell Strong 5E , 5F

Specimen 5I: postnatal day 21 (more )
Note: apical region
Structure Level Pattern Image Note
TS28: cochlear ganglion Strong 5I

Specimen 5L: postnatal day 21 (more )
Note: basal hook region
Structure Level Pattern Image Note
TS28: cochlear ganglion Strong 5L

Specimen 6C P21 Apex: postnatal day 21 (more )
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear outer hair cell Present 6C upper left
TS28: organ of Corti cochlear inner hair cell Present Regionally restricted 6C upper left No expression in the apical region.

Specimen 6C P21 Middle: postnatal day 21 (more )
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Present 6C upper middle
TS28: organ of Corti cochlear outer hair cell Present 6C upper middle

Specimen 6C P21 Base: postnatal day 21 (more )
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear outer hair cell Weak 6C upper right
TS28: organ of Corti cochlear inner hair cell Strong 6C upper right

Specimen 6C P120 Apex: postnatal day 120 (more )
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear inner hair cell Strong 6C lower left
TS28: organ of Corti cochlear outer hair cell Strong 6C lower left

Specimen 6C P120 Middle: postnatal day 120 (more )
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear outer hair cell Present 6C lower middle
TS28: organ of Corti cochlear inner hair cell Strong 6C lower middle

Specimen 6C P120 Base: postnatal day 120 (more )
Structure Cell Type Level Pattern Image Note
TS28: organ of Corti cochlear outer hair cell Present 6C lower right
TS28: organ of Corti cochlear inner hair cell Strong 6C lower right

Specimen not shown E18.5: embryonic day 18.5 (more )
Structure Level Pattern Image Note
TS26: cochlea Weak Regionally restricted Expressed in the cochlear base, but it was just above background level thresholds.


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Mouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Models of Human Cancer database (MMHCdb) (formerly Mouse Tumor Biology (MTB)), Gene Ontology (GO)
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last database update
03/25/2025
MGI 6.24
The Jackson Laboratory