About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:71953 Chen X, et al., An aspartic proteinase expressed in the yolk sac and neonatal stomach of the mouse. Biol Reprod. 2001 Oct;65(4):1092-101
Assay type: RNA in situ
MGI Accession ID: MGI:4421145
Gene symbol: Pga5
Gene name: pepsinogen 5, group I
Probe: mpepF cDNA
Probe preparation: Antisense labelled with S35 RNA
Visualized with: Autoradiography
Results
Specimen 4A,B: postnatal day 4.5 (more )
Note: Brightfield/darkfield pair.
Structure Level Pattern Image Note
TS28: stomach glandular region epithelium Present Single cells 4A , 4B Expression is in chief cells.
TS28: stomach squamous epithelium Absent 4A , 4B Absent in the stratified squamous epithelium lining the nonglandular regions.
Specimen 4E,F: embryonic day 16.5 (more )
Note: Brightfield/darkfield pair.
Structure Level Pattern Image Note
TS24: extraembryonic component Present Regionally restricted 4F , 4E Expression is in the parietal yolk sac and sinus of Duval.
TS24: yolk sac Present Regionally restricted 4F , 4E Expression is in the parietal yolk sac and sinus of Duval.
TS28: placenta Present Regionally restricted 4F , 4E Absent from the majority of placental tissues, including the trophoblast giant cells and other trophoblast derivatives.
Specimen Not shown: embryonic day 9.5 (more )
Structure Level Pattern Image Note
TS15: yolk sac endoderm Present Regionally restricted Expression is in parietal yolk sac endoderm. This signal intensity increased as pregnancy proceeded.
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
03/18/2025
MGI 6.24 		The Jackson Laboratory