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Gene Expression Data
Assay Details
Assay
Reference: J:157028 Laine H, et al., Cell cycle regulation in the inner ear sensory epithelia: role of cyclin D1 and cyclin-dependent kinase inhibitors. Dev Biol. 2010 Jan 1;337(1):134-46
Assay type: Immunohistochemistry
MGI Accession ID: MGI:8235832
Gene symbol: Cdkn1b
Gene name: cyclin dependent kinase inhibitor 1B
Antibody: anti-p27 Kip1
Detection system: Biotinylated secondary antibody/[Strept]avidin coupled to horseradish peroxidase
Results
Specimen 2a: postnatal day 2 (more )
Structure Cell Type Level Pattern Image Note
TS27: cochlea Deiter's cell Strong Regionally restricted 2a Strong expression in supporting cells (including Deiter's cells) of upper middle turn of cochlea.
TS27: cochlea supporting cell of cochlea Strong Regionally restricted 2a Strong expression in supporting cells (including Deiter's cells) of upper middle turn of cochlea.
TS27: organ of Corti cochlea auditory hair cell Absent 2a No expression detected in cochlear hair cells.

Specimen 2b: postnatal day 2 (more )
Structure Cell Type Level Pattern Image Note
TS27: cochlea Deiter's cell Strong Regionally restricted 2b Strong expression in supporting cells (including Deiter's cells) of upper basal turn of cochlea.
TS27: cochlea supporting cell of cochlea Strong Regionally restricted 2b Strong expression in supporting cells (including Deiter's cells) of upper basal turn of cochlea.
TS27: organ of Corti cochlea auditory hair cell Absent 2b No expression detected in cochlear hair cells.

Specimen 2c: postnatal day 60 (more )
Structure Cell Type Level Pattern Image Note
TS28: cochlea supporting cell of cochlea Strong Regionally restricted 2c Strong expression in supporting cells except for Deiter's cells.
TS28: cochlea Deiter's cell Weak 2c Only weak expression in Deiter's cells at P60.
TS28: organ of Corti cochlea auditory hair cell Absent 2c No expression detected in cochlear hair cells.

Specimen 2e: postnatal day 0 (more )
Structure Cell Type Level Pattern Image Note
TS27: semicircular duct ampulla supporting cell of vestibular epithelium Present Regionally restricted 2e Expression in supporting cells of utricle and ampulla. Strongest expression in areas lacking Mki67 expression.
TS27: utricle supporting cell of vestibular epithelium Present Regionally restricted 2e Expression in supporting cells of utricle and ampulla. Strongest expression in areas lacking Mki67 expression.
TS27: utricle vestibular hair cell Weak 2e Weak expression in some hair cells.

Specimen 2f: postnatal day 60 (more )
Structure Cell Type Level Pattern Image Note
TS28: utricle vestibular hair cell Weak Scattered 2f Weak expression in small part of hair cells located in a scattered manner within utricular sensory epithelium.


Contributing Projects:
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
10/06/2026
MGI 6.29
The Jackson Laboratory