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Gene Expression Data
Assay Details
Assay
Reference: J:100439 Cohen S, et al., A semaphorin code defines subpopulations of spinal motor neurons during mouse development. Eur J Neurosci. 2005 Apr;21(7):1767-76
Assay type: RNA in situ
MGI Accession ID: MGI:7615024
Gene symbol: Plxna3
Gene name: plexin A3
Probe: Plxna3 probe
Probe preparation: Antisense RNA
Results
Specimen 4A Brachial: embryonic day 13.5 (more )
Note: Flat-mounted specimen.
Structure Cell Type Level Pattern Image Note
TS21: spinal cord brachial region spinal cord motor neuron Present Regionally restricted 4A PlxA3 Brachial Expression is in the medial and lateral parts of the median motor column and in subsets of motoneurons.
Specimen 4A Brachial section: embryonic day 13.5 (more )
Structure Cell Type Level Pattern Image Note
TS21: spinal cord brachial region spinal cord motor neuron Present Regionally restricted 4A PlxA3 Brachial section Expression is in the medial and lateral parts of the median motor column and in subsets of motoneurons.
Specimen 4A Lumbar: embryonic day 13.5 (more )
Note: Flat-mounted specimen.
Structure Cell Type Level Pattern Image Note
TS21: spinal cord lumbar region spinal cord motor neuron Present Regionally restricted 4A PlxA3 Lumbar Expression is in the medial and lateral parts of the median motor column and in subsets of motoneurons.
Specimen 5E: embryonic day 13.5 (more )
Note: Double labeled: blue - Plxna3; brown - Etv4 reporter (assay MGI:7615027).
Structure Cell Type Level Pattern Image Note
TS21: spinal cord brachial region spinal cord motor neuron Present Regionally restricted 5E Expression is in some subpopulations of motoneurons.
Specimen S1: embryonic day 13.5 (more )
Note: Flat-mounted specimen.
Structure Level Pattern Image Note
TS21: spinal cord thoracic region Present Regionally restricted S1_PlxA3 Expression is in the medial and lateral part of the median motor column.
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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12/30/2025
MGI 6.24 		The Jackson Laboratory