About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:111163 Duffy SL, et al., Expression analysis of the Epha1 receptor tyrosine kinase and its high-affinity ligands Efna1 and Efna3 during early mouse development. Gene Expr Patterns. 2006 Oct;6(7):719-23
Assay type: RNA in situ
MGI Accession ID: MGI:5430657
Gene symbol: Efna1
Gene name: ephrin A1
Probe: Efna1 cDNA2
Probe preparation: Antisense labelled with digoxigenin RNA
Visualized with: Alkaline phosphatase
Results
Specimen 1B: embryonic day 5.5 (more )
Structure Level Pattern Image Note
TS8: embryo Absent 1B
Specimen 1E: embryonic day 5.5 (more )
Structure Level Pattern Image Note
TS8: embryo Absent 1E
Specimen 2B: embryonic day 7.0 (more )
Note: Mid- to late streak stage.
Structure Level Pattern Image Note
TS10: amniotic fold Present 2B
Specimen 2E: embryonic day 7.5 (more )
Note: Late streak to early bud stage.
Structure Level Pattern Image Note
TS11: allantois Present 2E
Specimen 2H: embryonic day 7.5 (more )
Note: Late bud stage.
Structure Level Pattern Image Note
TS11: primitive streak Present Regionally restricted 2H Expression is in the posterior segment of the primitive streak.
Specimen 2K: embryonic day 7.5 (more )
Note: Late bud stage.
Structure Level Pattern Image Note
TS11: primitive streak Present Regionally restricted 2K Expression is in the posterior segment of the primitive streak.
Specimen 3B: embryonic day 7.5 (more )
Note: Early headfold stage.
Structure Level Pattern Image Note
TS11: primitive streak Present 3B
Specimen 3E: embryonic day 8.0 (more )
Note: Early somite stage.
Structure Level Pattern Image Note
TS12: embryo mesenchyme Present Regionally restricted 3E Expression is in the caudal mesoderm.
TS12: allantois Present 3E
TS12: 1st branchial arch mesenchyme derived from head mesoderm Present Regionally restricted 3E Expression is ventral.
Specimen 3H: embryonic day 8.0 (more )
Note: Early somite stage.
Structure Level Pattern Image Note
TS12: embryo mesenchyme Present Regionally restricted 3H Expression is in the caudal mesoderm.
TS12: allantois Present 3H
TS12: 1st branchial arch mesenchyme derived from head mesoderm Present Regionally restricted 3H Expression is ventral.
Specimen 3K: embryonic day 8.5 (more )
Note: 8-9 somites.
Structure Level Pattern Image Note
TS13: midgut endoderm Present Regionally restricted 3K Expression is in the endoderm lining the roof of the midgut.
TS13: foregut diverticulum Present Regionally restricted 3K Expression is in the foregut and hindgut portals.
TS13: hindgut diverticulum Present Regionally restricted 3K Expression is in the foregut and hindgut portals.
TS13: dorsal aorta Present 3K
TS13: arterial system Present Regionally restricted 3K Expression is in intersomitic branches.
Specimen 4B: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: dorsal aorta Present 4B
TS15: tail Present 4B
TS15: mesenchyme derived from head mesoderm Present Regionally restricted 4B Expression is in the pharyngeal mesoderm.
Specimen 4E: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: 1st branchial arch Present 4E
TS17: 2nd branchial arch Present 4E
TS17: forelimb bud Present 4E
TS17: hindlimb bud Present 4E
TS17: nose Present 4E
Specimen 4H: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: tail Weak 4H
TS19: limb mesenchyme Present Regionally restricted 4H Expression is in the posterior apical mesenchyme.
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