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Gene Expression Data
Assay Details
Assay
Reference: J:43111 Delorme B, et al., Expression pattern of connexin gene products at the early developmental stages of the mouse cardiovascular system. Circ Res. 1997 Sep;81(3):423-37
Assay type: RNA in situ
MGI Accession ID: MGI:6363510
Gene symbol: Gja1
Gene name: gap junction protein, alpha 1
Probe: Cx43 cDNA4
Probe preparation: Antisense labelled with digoxigenin RNA
Results
Specimen 3C: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: heart Absent 3C
TS15: vascular system Absent 3C
TS15: 1st branchial arch Present 3C
TS15: diencephalon Present 3C
TS15: forelimb bud Present 3C
TS15: future hindbrain Present 3C
TS15: olfactory placode Present 3C
TS15: optic vesicle Present 3C
TS15: otocyst Present 3C
TS15: somite Present Regionally restricted 3C dorsal somites
TS15: neural fold Present Regionally restricted 3C caudal neural folds

Specimen 5J/K/L: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: heart atrium Absent 5K , 5J
TS17: primitive ventricle cardiac muscle Present 5J , 5L Expressed in the myocytes of the trabecular network of both ventricles and the compact ventricular free wall.

Specimen not shown: embryonic day 8.5 (more )
Structure Level Pattern Image Note
TS13: cardiac muscle tissue Absent

Specimen not shown: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: heart atrium Absent

Specimen not shown: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS20: heart atrium Weak


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
12/30/2025
MGI 6.24
The Jackson Laboratory