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Gene Expression Data
Assay Details
Assay
Reference: J:87189 Nadiri A, et al., Immunolocalization of BMP-2/-4, FGF-4, and WNT10b in the developing mouse first lower molar. J Histochem Cytochem. 2004 Jan;52(1):103-12
Assay type: Immunohistochemistry
MGI Accession ID: MGI:6758630
Gene symbol: Fgf4
Gene name: fibroblast growth factor 4
Results
Specimen 3A: embryonic day 13.5 (more )
Structure Level Pattern Image Note
TS21: basement membrane Very strong Regionally restricted 3A Expression is in the basement membrane of the lower jaw first molar.
TS21: tooth bud Very strong Regionally restricted 3A Expression is in the basement membrane of the lower jaw first molar.
TS21: lower jaw molar epithelium Present 3A
TS21: lower jaw molar mesenchyme Present 3A

Specimen 3B: embryonic day 14.5 (more )
Structure Level Pattern Image Note
TS22: cap stage tooth Strong 3B
TS22: enamel organ Strong 3B
TS22: lower jaw molar epithelium Strong 3B
TS22: basement membrane Present Regionally restricted 3B Expression is in the basement membrane of the lower jaw first molar except for the basement membrane underlying cells of the primary enamel knot.
TS22: lower jaw molar mesenchyme Weak 3B

Specimen 3C: embryonic day 15.5 (more )
Structure Level Pattern Image Note
TS23: cap stage tooth Present 3C
TS23: enamel organ Present 3C
TS23: inner enamel epithelium Present 3C
TS23: lower jaw molar Present 3C
TS23: outer enamel epithelium Present 3C
TS23: basement membrane Present Regionally restricted 3C Expression is in the basement membrane of the lower jaw first molar except for the basement membrane underlying cells of the primary enamel knot.
TS23: lower jaw molar mesenchyme Weak 3C

Specimen 3D: embryonic day 17.5 (more )
Structure Level Pattern Image Note
TS25: inner enamel epithelium Very strong 3D
TS25: outer enamel epithelium Very strong 3D
TS25: stratum intermedium Very strong 3D
TS25: lower jaw molar Very strong Regionally restricted 3D
TS25: lower jaw molar mesenchyme Weak Regionally restricted 3D Expression is at the tips of cusps.

Specimen 3E: embryonic day 19.5 (more )
Structure Level Pattern Image Note
TS26: stratum intermedium Present 3E , 3F
TS26: late bell stage tooth Weak 3E , 3F
TS26: lower jaw molar Weak 3E , 3F


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
01/28/2026
MGI 6.24
The Jackson Laboratory