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Gene Expression Data
Assay Details
Assay
Reference: J:63373 Yoshiba K, et al., Differential expression of laminin-5 subunits during incisor and molar development in the mouse. Int J Dev Biol. 2000 Apr;44(3):337-40
Assay type: RNA in situ
MGI Accession ID: MGI:3575731
Gene symbol: Lama3
Gene name: laminin, alpha 3
Probe: MN97
Probe preparation: Antisense labelled with S35 RNA
Visualized with: Autoradiography
Results
Specimen 1B: embryonic day 12.5 (more )
Structure Level Pattern Image Note
TS21: lower jaw incisor epithelium Present Uniform 1B , 1A

Specimen 1F: embryonic day 14.5 (more )
Structure Level Pattern Image Note
TS22: lower jaw incisor epithelium Present Regionally restricted 1F , 1E Expression is present in the outer dental epithelium and absent from the inner dental epithelium, except for the most anterior central part (the enamal knot).
TS22: enamel knot Present 1F , 1E
TS22: outer enamel epithelium Present 1F , 1E
TS22: inner enamel epithelium Absent 1F , 1E
TS22: lower jaw incisor enamel organ Present 1E , 1F

Specimen 1J: embryonic day 15.5 (more )
Structure Level Pattern Image Note
TS23: lower jaw incisor epithelium Present Regionally restricted 1J , 1I Expression is restricted to the outer dental epithelium; there is no expression in the inner dental epithelium. There is also expression in the outer part of the cervical loop.
TS23: outer enamel epithelium Present 1J , 1I
TS23: cervical loop Present Regionally restricted 1J , 1I Expression is seen in the outer part.
TS23: inner enamel epithelium Absent 1J , 1I
TS23: lower jaw incisor enamel organ Absent 1J , 1I

Specimen 1N: embryonic day 17.0 (more )
Structure Level Pattern Image Note
TS25: lower jaw incisor epithelium Present Regionally restricted 1N , 1M There is strong expression in the anterior extremity of the inner dental epithelium and in the differentiating ameloblasts of the anterior inner dental epithelium. There is sparce expression in the lingual cervical loop region.
TS25: inner enamel epithelium Strong Regionally restricted 1N , 1M There is strong expression in the anterior extremity of the inner dental epithelium and in the differentiating ameloblasts of the anterior inner dental epithelium.
TS25: cervical loop Weak Regionally restricted 1N , 1M There is sparce expression in the lingual cervical loop region.

Specimen 2B: embryonic day 18.5 (more )
Structure Level Pattern Image Note
TS26: lower jaw molar epithelium Strong 2B , 2A Expression is present in the outer dental epithelium and absent in the inner dental epithelium, except for future enamel-free areas.
TS26: outer enamel epithelium Strong 2B , 2A
TS26: inner enamel epithelium Present Regionally restricted 2A , 2B Expression is absent in the inner dental epithelium, except for future enamel-free areas.


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
07/05/2024
MGI 6.24
The Jackson Laboratory