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Gene Expression Data
Assay Details
Assay
Reference: J:62179 Zhao Z, et al., Expression of Dlx genes during the development of the murine dentition. Dev Genes Evol. 2000 May;210(5):270-5
Assay type: RNA in situ
MGI Accession ID: MGI:3703043
Gene symbol: Dlx3
Gene name: distal-less homeobox 3
Probe: Dlx3 probe2
Probe preparation: Antisense RNA
Results
Specimen 1D: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: 1st branchial arch mesenchyme Present 1D
TS17: 1st branchial arch Present 1D Expression is present in the distal-labial region of the mandibular arch but away from the tooth-forming area.
TS17: 1st branchial arch mandibular component ectoderm Present 1D Expression is present in the mandibular epithelium in the most mesial region.
TS17: nasal pit Present 1D There is expression in the nasal pit.
TS17: medial-nasal process Absent 1D There is no expression in the lingual side of the medial nasal process (the region from which upper incisors develop).
TS17: 1st branchial arch maxillary component Absent 1D No expression was seen in the maxillary process.
Specimen S1D: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: 1st branchial arch mesenchyme Present S1D
TS17: 2nd branchial arch Present S1D
Specimen 2A: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS21: lower jaw incisor epithelium Present Regionally restricted 2A Expression is present in the labial part of the dental lamina.
TS21: upper jaw incisor epithelium Present Regionally restricted 2A Expression is present in the labial part of the dental lamina.
Specimen 2B: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS21: lower jaw molar epithelium Present Regionally restricted 2B Expression is present in the labial part of the dental lamina.
TS21: upper jaw molar epithelium Present Regionally restricted 2B Expression is present in the labial part of the dental lamina.
Specimen 2C: embryonic day 13.5 (more )
Structure Level Pattern Image Note
TS22: upper jaw molar enamel organ Present Regionally restricted 2C Expression is present in the labial enamel epithelium.
Specimen Not shown: embryonic day 15.5 (more )
Structure Level Pattern Image Note
TS23: dental papilla Present
Specimen 3D: embryonic day 16.0-17.5 (more )
Note: This tooth is at late bell stage.
Structure Level Pattern Image Note
TS24: dental sac Present 3D Expression is present in the dental follicle.
TS24: molar Present 3D Expression is present in the dental follicle.
TS24: molar dental papilla Present 3D
Specimen 4A: embryonic day 14.5 (more )
Structure Level Pattern Image Note
TS22: lower jaw incisor Present 4A
Specimen 4C: embryonic day 16.5 (more )
Structure Level Pattern Image Note
TS24: inner enamel epithelium Present Regionally restricted 4C Expression is present in the ameloblasts.
TS24: lower jaw incisor enamel organ Present Regionally restricted 4C Expression is present in the ameloblasts.
Specimen 4E: postnatal day 2 (more )
Structure Level Pattern Image Note
TS27: lower jaw molar Present Regionally restricted 4E Expression is present in the cusps.
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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Send questions and comments to User Support. 		last database update
01/06/2026
MGI 6.24 		The Jackson Laboratory