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Gene Expression Data
Assay Details
Assay
Reference: J:43309 Meyer D, et al., Isoform-specific expression and function of neuregulin. Development. 1997 Sep;124(18):3575-86
Assay type: In situ reporter (knock in)
MGI Accession ID: MGI:5140130
Gene symbol: Nrg1
Gene name: neuregulin 1
Reporter: lacZ
Direct Detection
Assay notes: This allele is specific for the type I isoform.
Results
Specimen 2A: embryonic day 6.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS9: embryo Present 2A There is broad expression in the embryo.

Specimen Not shown: embryonic day 6.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS9: embryo mesoderm Present

Specimen 2B: embryonic day 7.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS11: embryo Present Regionally restricted 2B Expression is restricted to the rostral portion of the embryo.

Specimen Not shown: embryonic day 7.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS11: embryo mesoderm Present

Specimen 2C: embryonic day 8.0; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS13: rhombomere 2 Present 2C Expression is present in rhombomeres 2 and 4.
TS13: rhombomere 4 Present 2C Expression is present in rhombomeres 2 and 4.
TS13: eye Present 2C
TS13: head mesenchyme Present 2C

Specimen Not shown: embryonic day 8.0; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS12: eye Present Regionally restricted Expression is present in the eye stalk and optic placode.

Specimen 2E: embryonic day 8.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS14: rhombomere 2 Present 2E
TS14: rhombomere 4 Present 2E
TS14: rhombomere 6 Present 2E
TS14: neural tube Present Regionally restricted 2E Expression is present in the dorsal part of the spinal cord.
TS14: branchial arch Present Regionally restricted 2E Expression is present in the cartilage.
TS14: eye Present 2E
TS14: heart Present 2E

Specimen Not shown: embryonic day 8.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS14: primitive ventricle endocardial tube Present Expression is present in the endocardium.

Specimen 3A: embryonic day 9.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS15: glossopharyngeal preganglion Present 3A
TS15: trigeminal preganglion Present 3A
TS15: vagus preganglion Present 3A
TS15: cranial preganglion Present 3A Expression is present in the geniculate ganglion.
TS15: heart Present 3A
TS15: neural tube Present Regionally restricted 3A Expression is present in the dorsal spinal cord.

Specimen 3D: embryonic day 10.0; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS16: trigeminal ganglion Present 3D
TS16: neural tube Present Regionally restricted 3D Expression is present in the dorsal spinal cord.

Specimen 3G: embryonic day 9.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS15: trigeminal preganglion Present Single cells 3G Expression is present in cells with the shape characteristic of developing neurons.
TS15: rhombomere 2 Present 3G
TS15: branchial arch Present Regionally restricted 3G Expression is present in the cartilage.
TS15: heart Present 3G

Specimen 3H: embryonic day 9.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS15: cranial preganglion Present Regionally restricted 3H Expression is present in the geniculate ganglion.
TS15: rhombomere 4 Present 3H
TS15: heart Present 3H

Specimen 3I: embryonic day 9.5; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS15: endocardial lining Present 3I

Specimen 4A: embryonic day 10.0; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS16: neural tube lateral wall Present Regionally restricted 4A Expression is present in the dorsal column.

Specimen 4B: embryonic day 12.0; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS20: spinal cord lateral wall Absent 4B

Specimen 4C: embryonic day 18.0; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS26: dorsal root ganglion Present Scattered 4C

Specimen 7A: embryonic day 18.0; Nrg1tm2Cbm/Nrg1tm2Cbm (more )
Structure Level Pattern Image Note
TS26: superior colliculus Present 7A
TS26: telencephalon ventricular layer Present 7A


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
03/18/2025
MGI 6.24
The Jackson Laboratory