About   Help   FAQ
Gene Expression Data
Assay Details
Assay
Reference: J:303267 Singh E, et al., Dynamic changes in endoglin expression in the developing mouse heart. Gene Expr Patterns. 2021 Mar;39:119165
Assay type: Immunohistochemistry
MGI Accession ID: MGI:6730262
Gene symbol: Pecam1
Gene name: platelet/endothelial cell adhesion molecule 1
Antibody: MEC 13.3
Results
Specimen 1A: embryonic day 11.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS19: left atrium endocardial lining Present 1A CD31 , 1A Merged Expression in atrial and ventricular endocardium, co-expressed with Eng
TS19: left ventricle endocardial lining Present 1A CD31 , 1A Merged Expression in atrial and ventricular endocardium, co-expressed with Eng
TS19: right atrium endocardial lining Present 1A CD31 , 1A Merged Expression in atrial and ventricular endocardium, co-expressed with Eng
TS19: right ventricle endocardial lining Present 1A CD31 , 1A Merged Expression in atrial and ventricular endocardium, co-expressed with Eng
Specimen 1B: embryonic day 11.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS19: ventricle endocardial lining Present 1B CD31 , 1B Merged
TS19: visceral pericardium Absent 1B Merged , 1B CD31 No expression in epicardial cells.
Specimen 2A: embryonic day 13.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS21: left atrium endocardial lining Present Widespread 2A Merged , 2A CD31 Expression throughout atrial and ventricular endocardium, co-expressed with Eng.
TS21: left ventricle endocardial lining Present Widespread 2A Merged , 2A CD31 Expression throughout atrial and ventricular endocardium, co-expressed with Eng.
TS21: right atrium endocardial lining Present Widespread 2A Merged , 2A CD31 Expression throughout atrial and ventricular endocardium, co-expressed with Eng.
TS21: right ventricle endocardial lining Present Widespread 2A Merged , 2A CD31 Expression throughout atrial and ventricular endocardium, co-expressed with Eng.
Specimen 2B: embryonic day 13.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS21: ventricle endocardial lining Present 2B Merged , 2B CD31
Specimen 2B inset: embryonic day 13.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS21: myocardium layer Absent 2B Merged inset , 2B CD31 inset No expression in some cells in myocardium, likely corresponding to epicardially derived cells (EPDCs).
Specimen 3A: embryonic day 15.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS23: left atrium endocardial lining Present 3A CD31 , 3A Merged Expression in atrial and ventricular endocardium, and in sub-epicardial blood vessels, co-expressed with Eng.
TS23: left ventricle endocardial lining Present 3A CD31 , 3A Merged Expression in atrial and ventricular endocardium, and in sub-epicardial blood vessels, co-expressed with Eng.
TS23: right atrium endocardial lining Present 3A CD31 , 3A Merged Expression in atrial and ventricular endocardium, and in sub-epicardial blood vessels, co-expressed with Eng.
TS23: right ventricle endocardial lining Present 3A CD31 , 3A Merged Expression in atrial and ventricular endocardium, and in sub-epicardial blood vessels, co-expressed with Eng.
TS23: heart blood vessel Present Regionally restricted 3A CD31 , 3A Merged Expression in sub-epicardial blood vessels.v
Specimen 3B: embryonic day 15.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS23: ventricle endocardial lining Present 3B CD31 , 3B Merged
TS23: heart blood vessel Present Regionally restricted 3B Merged , 3B CD31 Expression in in sub-epicardial blood vessels,
Specimen 3B inset: embryonic day 15.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS23: visceral pericardium Absent 3B Merged inset , 3B CD31 inset No expression in epicardially derived cells (EPDCs).
Specimen 6A: embryonic day 13.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS21: tricuspid valve Present Regionally restricted 6A CD31 , 6A Merged Expression in valve endocardial cells. No expression in valve mesenchyme.
Specimen 6B: embryonic day 15.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS23: tricuspid valve Present Regionally restricted 6B Merged , 6B CD31 Expression in valve endocardial cells. No expression in valve mesenchyme.
Specimen 6C: embryonic day 17.5 (more )
Note: Double labeled: red - CD31 (Pecam1); green - Eng (assay MGI:6730259).
Structure Level Pattern Image Note
TS25: tricuspid valve Present Regionally restricted 6C Merged , 6C CD31 Expression in valve endocardial cells. No expression in valve mesenchyme.
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