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Reference
Figure
ID
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J:386951
Guertin TM, et al., Onset of embryonic and placental defects coincide in 19 of 22 novel mid-gestation lethal murine knockout lines. Development. 2026 May 15;153(10):dev205276
Extended Data 20
MGI:8377024
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| Image |
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| Caption | (A) Summary of defects observed in E9.5 and E10.5 Exoc34-/- placentas. (B) Histological images of adjacent sections from a representative E9.5 Exoc3l4-/- placenta demonstrating largely normal development comparable to controls (n = 3). However, a diminished Tpbp+ SpT layer and an abnormally large accumulation of maternal blood is observed adjacent to the labyrinth trophoblasts. Dashed boxes indicate the LZ region shown at higher magnification in C. (D) Images of the embryonic component of the conceptuses shown in B and C. (E) Histological images of adjacent sections from a representative E10.5 Exoc3l4-/- placenta displaying multiple LZ defects relative to controls (n = 3). While a slight developmental delay in the Tpbp+ SpT layer is observed in the KO placenta shown, this phenotype is not consistent among all KO placentas examined. Dashed boxes indicate the LZ region shown at higher magnification in F. In KO placentas, the Tfeb+ and MCT1+ SynTI region is markedly reduced. The SynTII layer/ chorioallantoic branching is also severely impaired, demonstrated by the reduced Gcm1/MCT4+ network. Although some endothelial cells and fetal blood cells are detected among labyrinth trophoblasts, discrete fetal blood spaces are noticeably decreased. An abnormally large accumulation of maternal blood is observed adjacent to the labyrinth trophoblasts. Although MCT1 and MCT4 signals are found in close apposition, the extensive network of adjacent MCT1+ SynTI and MCT4+ SynTII cells observed in controls is absent. (G) Images of the embryonic component of the conceptuses shown in E and F. Scale bars: 500 m. |
| Copyright | This image is from Guertin TM, Development 2026 May 15;153(10):dev205276, and is displayed under the terms of the Creative Commons Attribution 4.0 International License. |
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Associated Assays |
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 |
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