About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:62941 Malpel S, et al., Regulation of retinoic acid signaling during lung morphogenesis. Development. 2000 Jul;127(14):3057-67
Assay type: RNA in situ
MGI Accession ID: MGI:2150103
Gene symbol: Cyp26a1
Gene name: cytochrome P450, family 26, subfamily a, polypeptide 1
Probe: P450RAI cDNA
Probe preparation: Antisense labelled with digoxigenin RNA
Visualized with: Alkaline phosphatase
Results
Specimen 5A: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: lung Absent 5A
TS15: respiratory tract Absent 5A

Specimen 5B: embryonic day 10.5 (more )
Structure Level Pattern Image Note
TS17: left lung rudiment epithelium Weak Uniform 5B
TS17: right lung rudiment epithelium Weak Uniform 5B
TS17: trachea Absent 5B
TS17: alimentary system Absent 5B

Specimen 5C: embryonic day 11.5 (more )
Structure Level Pattern Image Note
TS19: left lung rudiment epithelium Present Graded 5C Proximal-distal gradient in lung epithelium; higher levels in distal buds.
TS19: right lung rudiment epithelium Present Graded 5C Proximal-distal gradient in lung epithelium; higher levels in distal buds.

Specimen 5D: embryonic day 13.0 (more )
Structure Level Pattern Image Note
TS21: left lung epithelium Present Graded 5D Proximal-distal gradient in lung epithelium; higher levels in distal buds.
TS21: right lung epithelium Present Graded 5D Proximal-distal gradient in lung epithelium; higher levels in distal buds.

Specimen 5E: embryonic day 14.5 (more )
Structure Level Pattern Image Note
TS22: trachea epithelium Present 5E left , 5E right
TS22: trachea mesenchyme Present Regionally restricted 5E right , 5E left In trachea and main bronchi, mesenchymal expression appears to delineate prospective tracheal rings.
TS22: main bronchus mesenchyme Present Regionally restricted 5E right , 5E left In trachea and main bronchi, mesenchymal expression appears to delineate prospective tracheal rings.
TS22: left lung epithelium Present Regionally restricted 5E right , 5E left Proximal-distal gradient in lung epithelium; higher levels in distal buds.
TS22: right lung epithelium Present Regionally restricted 5E right , 5E left Proximal-distal gradient in lung epithelium; higher levels in distal buds.
TS22: left lung mesenchyme Weak Regionally restricted 5E left , 5E right Weak signals in lung mesenchyme between distal buds.
TS22: right lung mesenchyme Weak Regionally restricted 5E left , 5E right Weak signals in lung mesenchyme between distal buds.

Specimen 5F: embryonic day 16.5 (more )
Structure Level Pattern Image Note
TS24: respiratory system Present Regionally restricted 5F Expression has shifted from distal to proximal sites.
TS24: trachea Present 5F Restricted to main bronchi and trachea.
TS24: main bronchus Present 5F Restricted to main bronchi and trachea.
TS24: left lung Weak Regionally restricted 5F Hardly detected in distal lung.
TS24: right lung Weak Regionally restricted 5F Hardly detected in distal lung.


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)
Citing These Resources
Funding Information
Warranty Disclaimer, Privacy Notice, Licensing, & Copyright
Send questions and comments to User Support.
last database update
03/25/2025
MGI 6.24
The Jackson Laboratory