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Gene Expression Data
Assay Details
Assay
Reference: J:193413 Bildsoe H, et al., The mesenchymal architecture of the cranial mesoderm of mouse embryos is disrupted by the loss of Twist1 function. Dev Biol. 2013 Feb 15;374(2):295-307
Assay type: RNA in situ
MGI Accession ID: MGI:6723947
Gene symbol: Twist1
Gene name: twist basic helix-loop-helix transcription factor 1
Probe: Twist1 probe5
Probe preparation: Antisense RNA
Results
Specimen 1C: embryonic day 7.5 (more )
Structure Level Pattern Image Note
TS11: embryo mesoderm Present Regionally restricted 1C Expressed in the anterior-most mesoderm population underlying the anterior ectoderm but absent from the nascent mesoderm.
TS11: primitive streak Absent 1C
Specimen 1D/E: embryonic day 8.0 (more )
Structure Level Pattern Image Note
TS12: embryo mesoderm Present Regionally restricted 1E , 1D Expressed in the mesoderm beneath the cephalic neural folds.
Specimen 1I: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: head mesenchyme Present 1I Expressed in the cranial mesenchyme and frontonasal tissues.
TS15: 1st branchial arch Present 1I
TS15: 2nd branchial arch Present 1I
Specimen 1Ii/K: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: head mesenchyme Present 1K , 1Ii Expressed in the cranial mesenchyme.
TS15: 1st branchial arch Present 1Ii
Specimen 1J: embryonic day 9.5; Mesp1tm2(cre)Ysa/Mesp1+, Twist1tm1Bhr/Twist1tm2Bhr (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS15: head mesenchyme Present Regionally restricted 1J No expression in the cranial mesenchyme. Expressed in the frontonasal tissues.
TS15: 1st branchial arch Present 1J
TS15: 2nd branchial arch Present 1J
Specimen 1Ji/L: embryonic day 9.5; Mesp1tm2(cre)Ysa/Mesp1+, Twist1tm1Bhr/Twist1tm2Bhr (more )
Note: Conditional mutant.
Structure Level Pattern Image Note
TS15: head mesenchyme Present Regionally restricted 1Ji , 1L No expression in the cranial mesenchyme.
TS15: 1st branchial arch Present 1Ji , 1L
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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01/28/2026
MGI 6.24 		The Jackson Laboratory