About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:41540 Rossel M, et al., Mice mutant for both Hoxa1 and Hoxb1 show extensive remodeling of the hindbrain and defects in craniofacial development. Development. 1999 Nov;126(22):5027-40
Assay type: Immunohistochemistry
MGI Accession ID: MGI:1346699
Gene symbol: Egr2
Gene name: early growth response 2
Antibody: rabbit Krox-20 antibody
Detection system: Secondary antibody coupled to fluorescein
Results
Specimen 4E: embryonic day 8.5; Hoxa1tm1Mrc/Hoxa1+, Hoxb1tm3Mrc/Hoxb1+ (more )
Note: Double labeled: red/brown - Egr2; purple - Mafb (assay MGI:1346698).
Structure Level Pattern Image Note
TS13: rhombomere 3 Present 4E

Specimen 4F: embryonic day 8.5; Hoxa1tm1Mrc/Hoxa1tm1Mrc, Hoxb1tm3Mrc/Hoxb1tm3Mrc (more )
Note: Double labeled: red/brown - Egr2; purple - Mafb (assay MGI:1346698). (G) Higher magnification of the embryo shown in (F).
Structure Level Pattern Image Note
TS13: future hindbrain Present Regionally restricted 4G , 4F Expression extends further caudally in this mutant than in controls.

Specimen 7A: embryonic day 8.5; Hoxa1tm1Mrc/Hoxa1+, Hoxb1tm3Mrc/Hoxb1+ (more )
Note: Double labeled: green - Egr2; red - Hoxb1 (assay MGI:1346705).
Structure Level Pattern Image Note
TS13: rhombomere 3 Strong 7A
TS13: rhombomere 5 Weak 7A

Specimen 7B: embryonic day 8.5; Hoxa1tm1Mrc/Hoxa1tm1Mrc (more )
Note: Double labeled: green - Egr2; red - Hoxb1 (assay MGI:1346705).
Structure Level Pattern Image Note
TS13: rhombomere 3 Present 7B The r3 expression domain is larger and extends more posteriorly than in control embryos.
TS13: rhombomere 5 Present 7B

Specimen 7C: embryonic day 8.5; Hoxa1tm1Mrc/Hoxa1tm1Mrc, Hoxb1tm3Mrc/Hoxb1+ (more )
Note: Double labeled: green - Egr2; red - Hoxb1 (assay MGI:1346705).
Structure Level Pattern Image Note
TS13: future hindbrain Present 7C The caudal boundary of expression is extended even more posteriorly than in aaBb embryos and control embryos.

Specimen 7D: embryonic day 10.0; Hoxa1tm1Mrc/Hoxa1+, Hoxb1tm3Mrc/Hoxb1+ (more )
Note: Double labeled: green - Egr2; red - Hoxb1 (assay MGI:1346705).
Structure Level Pattern Image Note
TS16: neural tube Absent 7D

Specimen 7E: embryonic day 10.0; Hoxa1tm1Mrc/Hoxa1tm1Mrc, Hoxb1tm3Mrc/Hoxb1+ (more )
Note: Double labeled: green - Egr2; red - Hoxb1 (assay MGI:1346705).
Structure Level Pattern Image Note
TS16: neural tube Absent 7E

Specimen 8A: embryonic day 9.0; Hoxa1tm1Mrc/Hoxa1+, Hoxb1tm3Mrc/Hoxb1+ (more )
Note: 10-11 somites.
Structure Level Pattern Image Note
TS14: rhombomere 3 Present 8A
TS14: rhombomere 5 Present 8A

Specimen 8B: embryonic day 9.0; Hoxa1tm1Mrc/Hoxa1tm1Mrc (more )
Note: 10-11 somites.
Structure Level Pattern Image Note
TS14: rhombomere 3 Present 8B Expression is limited to a single band (r3) that is broader and extends to a more posterior level than in control embryos.

Specimen 8C: embryonic day 9.0; Hoxa1tm1Mrc/Hoxa1tm1Mrc, Hoxb1tm3Mrc/Hoxb1tm3Mrc (more )
Note: 10-11 somites.
Structure Level Pattern Image Note
TS14: future hindbrain Present 8C , 8D Expression is limited to a single band that is broader and extends to a more posterior level than in control embryos.


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
05/21/2024
MGI 6.23
The Jackson Laboratory