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Gene Expression Data
Assay Details
Assay
Reference: J:380622 Diez-Pinel G, et al., Discovery of New Markers for Haemogenic Endothelium and Haematopoietic Progenitors in the Mouse Yolk Sac. J Dev Biol. 2026 Jan 6;14(1)
Assay type: Immunohistochemistry
MGI Accession ID: MGI:8331946
Gene symbol: Pecam1
Gene name: platelet/endothelial cell adhesion molecule 1
Antibody: anti-Pecam (MEC 13.3)
Detection system: Secondary antibody coupled to Alexa Fluor 647
Results
Specimen 6E PECAM1: embryonic day 8.5 (more )
Note: Triple labeled: blue - Pecam1; magenta - Fxyd5 (assay MGI:8331947); green - Kit (assay MGI:8331945).
Structure Level Pattern Image Note
TS13: yolk sac mesenchyme Present Regionally restricted 6E PECAM1 , 6E (merged) Expression in emerging erythro-myeloid progenitors. Low expression in presumed blood (myeloid) progenitors.

Specimen 6F PECAM1: embryonic day 8.5 (more )
Note: Triple labeled: blue - Pecam1; green - Kit (assay MGI:8331945); magenta - Scarf1 (assay MGI:8331948).
Structure Level Pattern Image Note
TS13: yolk sac mesenchyme Present Regionally restricted 6F (merged) , 6F PECAM1 Expression in emerging erythro-myeloid progenitors.
TS13: yolk sac blood vessel Present Regionally restricted 6F (merged) , 6F PECAM1 Expression in endothelial cells. Expression in haemogenic endothelial cells.

Specimen 6G PECAM1: embryonic day 8.5 (more )
Note: Triple labeled: blue - Pecam1; magenta - Fcer1g (assay MGI:8331949); green - Kit (assay MGI:8331945).
Structure Level Pattern Image Note
TS13: yolk sac mesenchyme Present Regionally restricted 6G (merged) , 6G PECAM1 Expression in emerging erythro-myeloid progenitors. Expression in mature erythro-myeloid progenitors.

Specimen S3A PECAM1: embryonic day 8.5 (more )
Note: Triple labeled: blue - Pecam1; magenta - Fxyd5 (assay MGI:8331947); green - Kit (assay MGI:8331945).
Structure Level Pattern Image Note
TS13: yolk sac mesenchyme Present Regionally restricted S3A (merged) , S3A PECAM1 Expression in emerging erythro-myeloid progenitors. Low expression in presumed blood (myeloid) progenitors.

Specimen S3B PECAM1: embryonic day 8.5 (more )
Note: Triple labeled: blue - Pecam1; green - Kit (assay MGI:8331945); magenta - Scarf1 (assay MGI:8331948).
Structure Level Pattern Image Note
TS13: yolk sac mesenchyme Present Regionally restricted S3B PECAM1 , S3B (merged) Expression in emerging erythro-myeloid progenitors
TS13: yolk sac blood vessel Present Regionally restricted S3B PECAM1 , S3B (merged) Expression in endothelial cells. Expression in haemogenic endothelial cells.

Specimen S3C PECAM1: embryonic day 8.5 (more )
Note: Triple labeled: blue - Pecam1; magenta - Fcer1g (assay MGI:8331949); green - Kit (assay MGI:8331945).
Structure Level Pattern Image Note
TS13: yolk sac mesenchyme Present Regionally restricted S3C (merged) , S3C PECAM1 Expression in emerging erythro-myeloid progenitors. Expression in mature erythro-myeloid progenitors.
TS13: yolk sac blood vessel Present Regionally restricted S3C (merged) , S3C PECAM1 Expression in endothelial cells.


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
09/15/2026
MGI 6.29
The Jackson Laboratory