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Gene Expression Data
Assay Details
Assay
Reference: J:19498 Romand R, et al., N-myc expression in the embryonic cochlea of the mouse. Hear Res. 1994 Jan;72(1-2):53-8
Assay type: RNA in situ
MGI Accession ID: MGI:5056550
Gene symbol: Mycn
Gene name: Mycn proto-oncogene, bHLH transcription factor
Probe: N-Myc cDNA6
Probe preparation: Antisense labelled with S35 RNA
Visualized with: Autoradiography
Assay notes: Probe length was reduced to 100-150 nucleotides by alkaline hydrolysis.
Results
Specimen 1A-D: embryonic day 15.0 (more )
Note: (A,B) Brightfield/darkfield pair. (C,D) Higher magnifications.
Structure Level Pattern Image Note
TS23: cochlea Strong 1D , 1B , 1A , 1C
TS23: cochlear ganglion Strong 1D , 1B , 1A , 1C
TS23: vestibulocochlear nerve cochlear component Strong 1D , 1B , 1A , 1C
TS23: inner ear Strong Regionally restricted 1C , 1A , 1D , 1B Expression is in the immature organ of Corti and is stronger in the area where future sensory cells will be located.
TS23: cochlear duct epithelium Present 1C , 1D
TS23: cochlear duct Strong Graded 1B , 1C , 1D , 1A Expression is in stria vascularis and is weaker in the upper region of the canal.

Specimen 2A,B: embryonic day 17.0 (more )
Structure Level Pattern Image Note
TS25: organ of Corti Strong 2B , 2A
TS25: cochlear ganglion Weak 2B , 2A

Specimen 2C,D: embryonic day 18.0 (more )
Structure Level Pattern Image Note
TS26: organ of Corti Strong 2C , 2D
TS26: cochlear duct epithelium Weak 2C , 2D
TS26: cochlear ganglion Weak 2C , 2D


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
01/06/2026
MGI 6.24
The Jackson Laboratory