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Gene Expression Data
Assay Details
Assay
Reference: J:80018 Przemeck GK, et al., Node and midline defects are associated with left-right development in Delta1 mutant embryos. Development. 2003 Jan;130(1):3-13
Assay type: RNA in situ
MGI Accession ID: MGI:2449018
Gene symbol: Lefty1
Gene name: left right determination factor 1
Probe: lefty-1 cDNA2
Probe preparation: Antisense labelled with digoxigenin RNA
Visualized with: Alkaline phosphatase
Assay notes: In the paper, the authors referred to the Lefty1 gene as Ebaf (and the Lefty2 gene as Leftb.)
Results
Specimen 2M: embryonic day 8.5 (more )
Note: 2-6 somites.
Structure Level Pattern Image Note
TS13: neural tube floor plate Present Regionally restricted 2M Expression in the left half of the floor plate.

Specimen Not Shown, +/-: embryonic day 8.5; Dll1tm1Gos/Dll1+ (more )
Note: 2-6 somites.
Structure Level Pattern Image Note
TS13: neural tube floor plate Present Regionally restricted Expression in the left half of the floor plate.

Specimen 2N: embryonic day 8.5; Dll1tm1Gos/Dll1tm1Gos (more )
Note: 2-6 somites.
Structure Level Pattern Image Note
TS13: neural tube floor plate Absent 2N


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