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Gene Expression Data
Assay Details
Assay
Reference: J:141473 Biressi S, et al., The homeobox gene Arx is a novel positive regulator of embryonic myogenesis. Cell Death Differ. 2008 Jan;15(1):94-104
Assay type: RNA in situ
MGI Accession ID: MGI:7495874
Gene symbol: Arx
Gene name: aristaless related homeobox
Probe: Arx probe
Probe preparation: Antisense labelled with digoxigenin RNA
Results
Specimen E9.5 not shown: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: myotome Absent No expression in newly formed myotomes.

Specimen 2a: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: myotome Present Graded 2a Expression in cranial-caudal gradient, both in epaxial (dorsal) and hypaxial (ventral) domains of myotomes.
TS17: telencephalon Present 2a
TS17: 1st branchial arch Present 2a

Specimen E10.5 not shown: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: neural tube Present
TS17: pancreas primordium Present

Specimen 2b: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: limb Present 2b Expression in forming muscle masses.

Specimen 2d: embryonic day 13.0 (more )
Structure Level Pattern Image Note
TS21: eye skeletal muscle Present 2d
TS21: intercostal muscle Present 2d
TS21: craniocervical region muscle Present Regionally restricted 2d Expression in branchial muscle.

Specimen 3a: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: myotome Present 3a
TS17: neural tube Present 3a
TS17: pancreas primordium Present 3a
TS17: telencephalon Present 3a

Specimen 3b: embryonic day 10.5; Myf5tm1Pas/Myf5tm1Pas, Myod1tm1Jae/Myod1tm1Jae (more )
Structure Level Pattern Image Note
TS17: myotome Absent 3b Expression undetected in somitic compartment.
TS17: neural tube Present 3b Expression maintained in pancreas and central nervous system.
TS17: pancreas primordium Present 3b Expression maintained in pancreas and central nervous system.
TS17: telencephalon Present 3b Expression maintained in pancreas and central nervous system.

Specimen 3c,c': embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: myotome Present 3c , 3c'
TS19: neural tube Present 3c , 3c'
TS19: pancreas primordium Present 3c , 3c'
TS19: telencephalon Present 3c , 3c'

Specimen 3d,d': embryonic day 11.5; Myf5tm1Pas/Myf5tm1Pas, Myod1tm1Jae/Myod1tm1Jae (more )
Structure Level Pattern Image Note
TS19: myotome Absent 3d , 3d' Expression undetected in somitic compartment.
TS19: neural tube Present 3d , 3d' Expression maintained in pancreas and central nervous system
TS19: pancreas primordium Present 3d , 3d' Expression maintained in pancreas and central nervous system
TS19: telencephalon Present 3d , 3d' Expression maintained in pancreas and central nervous system

Specimen 7b: embryonic day 12.0 (more )
Structure Level Pattern Image Note
TS20: myotome Present 7b

Specimen 7c: embryonic day 12.0; Myod1tm1Jae/Myod1tm1Jae (more )
Structure Level Pattern Image Note
TS20: myotome Weak 7c Expression reduced compared to wild type.

Specimen 7d: embryonic day 12.0; Myf5tm2Tajb/Myf5tm2Tajb (more )
Structure Level Pattern Image Note
TS20: myotome Weak 7d Expression reduced compared to wild type.

Specimen 7e: embryonic day 12.0; Myf5tm2Tajb/Myf5tm2Tajb, Myod1tm1Jae/Myod1tm1Jae (more )
Structure Level Pattern Image Note
TS20: myotome Weak 7e Expression reduced compared to wild type.

Specimen 7f: embryonic day 12.0; Myf5tm1Pas/Myf5tm1Pas (more )
Structure Level Pattern Image Note
TS20: myotome Weak 7f Expression reduced compared to wild type.


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
03/25/2025
MGI 6.24
The Jackson Laboratory