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Gene Expression Data
Assay Details
Assay
Reference: J:301247 Probst S, et al., Spatiotemporal sequence of mesoderm and endoderm lineage segregation during mouse gastrulation. Development. 2021 Jan 7;148(1):dev193789
Assay type: Immunohistochemistry
MGI Accession ID: MGI:6713524
Gene symbol: Foxa2
Gene name: forkhead box A2
Results
Specimen 3A: embryonic day 6.5; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS9: embryo ectoderm Present Regionally restricted 3A Expression in definitive endoderm progenitors within posterior epiblast, located more distally in relation to proximally located Mesp1-expressing anterior mesoderm cells.

Specimen 3B: embryonic day 6.75; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS10: primitive endoderm Present Widespread 3B Expression in visceral endoderm covering whole embryo.
TS10: embryo ectoderm Present Regionally restricted 3B Expressing cells in posterior distal epiblast are especially dense, probably corresponding to definitive endoderm precursors.

Specimen 3C: embryonic day 6.5; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS9: primitive endoderm Present 3C Expression in visceral endoderm cells.
TS9: embryo ectoderm Present 3C Expression in definitive endoderm progenitors remaining within epithelial epiblast, located more distally in relation to Mesp1-expressing anterior mesoderm cells.

Specimen 3D: embryonic day 6.5; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS9: embryo ectoderm Present Single cells 3D Single expressing cells in Mesp1-expressing domain of epiblast.

Specimen 3E: embryonic day 6.5; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS9: primitive endoderm Present 3E Expression in visceral endoderm cells.

Specimen 3F: embryonic day 6.5; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS9: primitive endoderm Present 3F Expression in visceral endoderm cells.

Specimen 3G: embryonic day 7.0; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS10: primitive endoderm Present 3G Expression in visceral endoderm cells.
TS10: embryo ectoderm Present Regionally restricted 3G Expression in definitive endoderm progenitors.

Specimen 3H: embryonic day 7.0; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS10: primitive endoderm Present 3H Expression in visceral endoderm cells.
TS10: embryo ectoderm Present Regionally restricted 3H Expression in definitive endoderm progenitors. Expression in single cells intermixed with single Mesp1-expressing cells.

Specimen 3I: embryonic day 7.0; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS10: primitive endoderm Present 3I Expression in visceral endoderm cells.
TS10: embryo ectoderm Present Regionally restricted 3I Expression in definitive endoderm progenitors. Expression in single cells intermixed with single Mesp1-expressing cells.

Specimen 3J: embryonic day 7.0; Mesp1tm1.1Sjar/Mesp1+ (more )
Note: Triple labeled: red - Foxa2 immunohistochemistry; green - Mesp1 reporter (assay MGI:6713515); blue - Dapi.
Structure Level Pattern Image Note
TS10: primitive streak Present Regionally restricted 3J At distal tip of streak, only Foxa2-expressing cells within streak or delaminated 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
03/25/2025
MGI 6.24
The Jackson Laboratory