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Gene Expression Data
Assay Details
Assay
Reference: J:143023 Coumailleau P, et al., Sim1 and Sim2 expression during chick and mouse limb development. Int J Dev Biol. 2009;53(1):149-57
Assay type: RNA in situ
MGI Accession ID: MGI:6437448
Gene symbol: Sim2
Gene name: single-minded family bHLH transcription factor 2
Probe: Sim2 probe2
Probe preparation: Antisense labelled with digoxigenin RNA
Visualized with: Alkaline phosphatase
Results
Specimen E10 forelimb not shown: embryonic day 10.0 (more )
Structure Level Pattern Image Note
TS16: forelimb bud mesenchyme Present Regionally restricted First expression in limb muscle observed in E10 forelimb and E11 hind limbs.

Specimen E11 hindlimb not shown: embryonic day 11.0 (more )
Structure Level Pattern Image Note
TS18: hindlimb bud mesenchyme Present Regionally restricted First expression in limb muscle observed in E10 forelimb and E11 hind limbs.

Specimen 5E: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: somite Absent 5E No expression in limb level somites or early migrating limb cells.

Specimen 5G: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: forelimb bud mesenchyme Present Regionally restricted 5G Faint expression in ventral and dorsal muscle masses. Expression clearly enhanced in ventral muscle progenitors compared to Pax3 expression.

Specimen 5H: embryonic day 11.0 (more )
Structure Level Pattern Image Note
TS18: forelimb bud mesenchyme Present Regionally restricted 5H Faint expression in ventral and dorsal muscle masses. Expression clearly enhanced in ventral muscle progenitors compared to Pax3 expression. Additional expression in domain which is non-myogenic region.

Specimen 6A: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: forelimb bud mesenchyme Present Regionally restricted 6A Expression in myogenic cells of distal forelimb.

Specimen 6B: embryonic day 11.5; Pax3tm1Buck/Pax3tm1Buck (more )
Structure Level Pattern Image Note
TS19: forelimb bud mesenchyme Absent 6B No expression in distal forelimb.

Specimen 6E: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: hindlimb bud mesenchyme Present Regionally restricted 6E Mainly ventral expression, complementary to that of Myod1.

Specimen 6F: embryonic day 11.5; Pax3tm1Buck/Pax3tm1Buck (more )
Structure Level Pattern Image Note
TS19: hindlimb bud mesenchyme Absent 6F No expression in distal hindlimb.

Specimen 6I: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: forelimb bud mesenchyme Present Regionally restricted 6I Non-myogenic expression in posterior of proximal region.

Specimen 6J: embryonic day 11.5; Pax3tm1Buck/Pax3tm1Buck (more )
Structure Level Pattern Image Note
TS19: forelimb bud mesenchyme Present Regionally restricted 6J Non-myogenic expression in posterior of proximal region.

Specimen E12.5 not shown: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS20: forelimb mesenchyme Present Regionally restricted Expression enhanced in ventral muscle masses of forelimbs and hindlimbs.
TS20: hindlimb mesenchyme Present Regionally restricted Expression enhanced in ventral muscle masses of forelimbs and hindlimbs.

Specimen E14.5 not shown: embryonic day 14.5 (more )
Structure Level Pattern Image Note
TS22: digit mesenchyme Present Regionally restricted Expression only around digit cartilage.
TS22: limb muscle Absent


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
03/18/2025
MGI 6.24
The Jackson Laboratory