About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:32678 Li L, et al., SM22 alpha, a marker of adult smooth muscle, is expressed in multiple myogenic lineages during embryogenesis. Circ Res. 1996 Feb;78(2):188-95
Assay type: RNA in situ
MGI Accession ID: MGI:5467741
Gene symbol: Acta2
Gene name: actin alpha 2, smooth muscle, aorta
Probe: SM-alpha actin cDNA
Probe preparation: Antisense labelled with S35 RNA
Results
Specimen 5A: embryonic day 8.0 (more )
Structure Level Pattern Image Note
TS12: bulbus cordis Strong 5A
TS12: primitive ventricle Strong 5A

Specimen 5B: embryonic day 8.5 (more )
Structure Level Pattern Image Note
TS13: bulbus cordis Strong 5B
TS13: primitive ventricle Strong 5B
TS13: dorsal aorta Present Regionally restricted 5B Expression is in the aortic sac.

Specimen 5C: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: bulbus cordis Strong 5C
TS15: primitive ventricle Strong 5C
TS15: dorsal aorta Present 5C
TS15: myotome Present 5C
TS15: blood vessel Present Regionally restricted 5C Expression is in cranial vessels.

Specimen 5D: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: dorsal aorta Present 5D
TS17: myotome Present 5D
TS17: primitive ventricle Present 5D
TS17: umbilical artery Present 5D
TS17: arterial system Present Regionally restricted 5D Expression is in cranial vessels.

Specimen 6A: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS20: heart Present 6A

Specimen 6B: embryonic day 13.5 (more )
Structure Level Pattern Image Note
TS21: myotome Present 6B
TS21: skeletal muscle Present 6B
TS21: heart Absent 6B

Specimen 6C: embryonic day 14.5 (more )
Structure Level Pattern Image Note
TS22: myotome Present 6C
TS22: skeletal muscle Present 6C
TS22: heart Absent 6C

Specimen 6D: embryonic day 15.5 (more )
Structure Level Pattern Image Note
TS23: diaphragm Very strong 6D
TS23: intercostal muscle Very strong 6D
TS23: skeletal muscle Strong 6D Intense in head and neck muscles.
TS23: lung Present 6D
TS23: smooth muscle tissue Present 6D
TS23: stomach Present 6D


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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
03/25/2025
MGI 6.24
The Jackson Laboratory