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Gene Expression Data
Assay Details
Assay
Reference: J:34073 Adams RH, et al., A novel class of murine semaphorins with homology to thrombospondin is differentially expressed during early embryogenesis. Mech Dev. 1996 Jun;57(1):33-45
Assay type: RNA in situ
MGI Accession ID: MGI:3044112
Gene symbol: Sema3a
Gene name: sema domain, immunoglobulin domain (Ig), short basic domain, secreted, (semaphorin) 3A
Probe: SemD cDNA3
Probe preparation: Antisense labelled with S35 RNA
Visualized with: Autoradiography
Results
Specimen 5A,B: embryonic day 10.0 (more )
Structure Level Pattern Image Note
TS16: tail somite Present Regionally restricted 5B , 5A Expression is in the lateral half of the newly formed somites.
TS16: tail future spinal cord Present Regionally restricted 5B , 5A Expression is in the dorsal part of the developing spinal cord.
TS16: surface ectoderm Present 5B , 5A A caudal region of the embryo is shown.
TS16: tail unsegmented mesenchyme Absent 5A , 5B

Specimen 6A: embryonic day 10.0 (more )
Structure Level Pattern Image Note
TS16: branchial arch Strong 6A
TS16: trunk dermomyotome Strong 6A
TS16: trunk sclerotome Strong 6A
TS16: trunk mesenchyme Strong Regionally restricted 6A Expression is in the lateral plate mesoderm.
TS16: surface ectoderm Strong 6A
TS16: limb Strong Uniform 6A

Specimen 6E: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: limb Present 6E
TS17: trunk sclerotome Present 6E
TS17: trunk mesenchyme Present Regionally restricted 6E Expression is in the lateral plate mesoderm.
TS17: trunk dermomyotome Present Regionally restricted 6E Expression is in the dermatome.

Specimen 6I: embryonic day 11.0 (more )
Structure Level Pattern Image Note
TS18: limb Present 6I
TS18: trunk dermomyotome Present 6I
TS18: trunk sclerotome Present 6I
TS18: trunk mesenchyme Present Regionally restricted 6I Expression is in the lateral plate mesoderm.
TS18: neural tube basal columns Present 6I

Specimen 7B: embryonic day 11.0 (more )
Structure Level Pattern Image Note
TS18: trunk dermomyotome Present 7B
TS18: trunk sclerotome Present Regionally restricted 7B Expression is in the posterior half.


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