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| Caption | Evaluation of resultant cardiovascular phenotypes in Gt(ROSA)26Sortm1(DTA)Jpmb/Gt(ROSA)26Sor+ Tg(Smad7-cre)1Sjc/0 embryos. (a) E10.5 Gt(ROSA)26Sortm1(DTA)Jpmb/Gt(ROSA)26Sor+ Tg(Smad7-cre)1Sjc/0 (mutant, left) and Gt(ROSA)26Sortm1(DTA)Jpmb/Gt(ROSA)26Sor+ only (control, right) embryo littermates. (b,c) Higher power images of ablated mutant (b) and normal control (c) cardiovascular and branchial arch regions of embryos shown in a. Note that the atrioventricular (AV) cushion region (*) is largely absent in mutant (b) hearts and that the arches are smaller in size (arrows). (d,e) High power images of the mutant (d) and normal control (e) yolk sacs, note the lack of vasculature and blood in mutant. (f) Counterstaining with alpha-SMA (that detects both smooth and cardiac muscle lineages at this stage of in utero development), reveals that the myocardium is largely unaffected via Smad7Cre-mediated cell ablation but that the overall size of the heart is decreased, when compared to unaffected littermate photographed at same magnification (g). Also note that while the endocardial cushions are hypoplastic, the mutant endothelium remains intact (arrow, g). (h,i) alpha-SMA staining also reveals that whilst the control littermate has two distinct alpha-SMA-positive paired dorsal aorta (i), and the ablated mutant vessels have hemorrhaged and that there is fragmented alpha-SMA-stained smooth muscle cells within the mutant (h). Sections f-i were lightly counterstained with methyl green. Abbreviation: a = atria. | ||||||
| Copyright | This image is from Snider P, Genesis 2009 Jul;47(7):469-75, and is displayed with the permission of Wiley-Blackwell, who owns the Copyright. J:150864 | ||||||
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Associated Alleles |
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Associated Genotypes |
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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 11/19/2024 MGI 6.24 |
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