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Gene Expression Data
Assay Details
Assay
Reference: J:50180 Zhu Y, et al., Expression of opioid receptors and ligands in pregnant mouse uterus and placenta. Biol Reprod. 1998 Oct;59(4):925-32
Assay type: RNA in situ
MGI Accession ID: MGI:6144120
Gene symbol: Penk
Gene name: preproenkephalin
Probe: pSP65
Probe preparation: Antisense labelled with P33 RNA
Visualized with: Autoradiography
Results
Specimen 2A: postnatal adult (more )
Note: Day 7.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium Strong 2A
TS28: decidua basalis Present Regionally restricted 2A Expression is in the glycogen-rich region and were absent in the rest of the placenta.

Specimen 2B: postnatal adult (more )
Note: Day 8.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium Strong 2B
TS28: decidua basalis Present Regionally restricted 2B Expression is in a more lateral region close to the myometrium.
TS28: placenta Absent 2B

Specimen 2C: postnatal adult (more )
Note: Day 9.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium Strong 2C
TS28: decidua basalis Present Single cells 2C Expression is in a few cells.
TS28: placenta Absent 2C

Specimen 2D: postnatal adult (more )
Note: Day 10.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium Strong 2D
TS28: decidua basalis Present Single cells 2D Expression is in a few cells.
TS28: placenta Absent 2D

Specimen 3C: postnatal adult (more )
Note: Day 7.5 of gestation.
Structure Level Pattern Image Note
TS28: endometrium Strong Regionally restricted 3C Expression is in the nondecidualized endometrium adjacent to the inner circular layer of the myometrium.
TS28: myometrium inner circular smooth muscle layer Present 3C

Specimen 3D: postnatal adult (more )
Note: Day 9.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium inner circular smooth muscle layer Present 3D
TS28: myometrium outer longitudinal smooth muscle layer Present Single cells 3D

Specimen 3G: postnatal adult (more )
Note: Day 8.5 of gestation.
Structure Level Pattern Image Note
TS28: endometrium Present Regionally restricted 3G Expression is in the nondecidualized endometrium adjacent to the inner circular layer of the myometrium.
TS28: myometrium inner circular smooth muscle layer Present 3G

Specimen 3H: postnatal adult (more )
Note: Day 10.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium inner circular smooth muscle layer Present 3H
TS28: myometrium outer longitudinal smooth muscle layer Present Single cells 3H

Specimen 4B: postnatal adult (more )
Note: Day 12.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium inner circular smooth muscle layer Present 4B
TS28: myometrium outer longitudinal smooth muscle layer Present 4B
TS28: endometrium Present Regionally restricted 4B Expression is in the nondecidualized endometrium between myometrium and uterine luminal epithelium.
TS28: endometrium luminal epithelium Absent 4B

Specimen 4D: postnatal adult (more )
Note: Day 12.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium inner circular smooth muscle layer Present 4D
TS28: myometrium outer longitudinal smooth muscle layer Present 4D
TS28: endometrium Present Regionally restricted 4D Expression is in the nondecidualized endometrium between myometrium and uterine luminal epithelium.
TS28: endometrium luminal epithelium Absent 4D

Specimen 4F: postnatal adult (more )
Note: Day 14.5 of gestation.
Structure Level Pattern Image Note
TS28: myometrium inner circular smooth muscle layer Present 4F
TS28: myometrium outer longitudinal smooth muscle layer Present 4F
TS28: endometrium Present Regionally restricted 4F Expression is in the nondecidualized endometrium between myometrium and uterine luminal epithelium.
TS28: endometrium luminal epithelium Absent 4F

Specimen not shown: postnatal adult (more )
Note: Day 3.5 of gestation.
Structure Level Pattern Image Note
TS28: uterus Absent


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