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Phenotypes Associated with This Genotype
Genotype
MGI:3760086
Allelic
Composition
Smad3tm1Cxd/Smad3tm1Cxd
Genetic
Background
B6.129S6-Smad3tm1Cxd
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Smad3tm1Cxd mutation (0 available); any Smad3 mutation (23 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
cardiovascular system
• neointimal hyperplasia is enhanced in response to arterial injury compared to wild-type
• intima contains more proliferating smooth muscle cells with less collagen deposition than in wild-type
• growth of intimal smooth muscle cells (SMC) is only weakly inhibited by TGF-beta in vitro compared to wild-type, however chemotaxis of SMC towards TGF-beta is normal

homeostasis/metabolism
• neointimal hyperplasia is enhanced in response to arterial injury compared to wild-type
• intima contains more proliferating smooth muscle cells with less collagen deposition than in wild-type
• growth of intimal smooth muscle cells (SMC) is only weakly inhibited by TGF-beta in vitro compared to wild-type, however chemotaxis of SMC towards TGF-beta is normal
• at 14 days after unilateral ureteral obstruction (UUO), the mutant obstructed kidney shows attenuated scar formation, and decreased renal interstitial fibrosis, inflammation and apoptosis relative to the wild-type obstructed kidney

renal/urinary system
N
• prior to unilateral ureteral obstruction (UUO), 10 -12 week-old mutant mice exhibit histologically normal kidneys and normal serum blood urea nitrogen (BUN) and creatinine levels relative to wild-type controls
• at 14 days after UUO, the number of TUNEL-positive tubular apoptotic cells is significantly reduced in the obstructed mutant kidney relative to that in wild-type controls
• at 14 days after UUO, the numbers of F4/80-positive interstitial macrophages, and CD4-positive and CD8-positive interstitial cells are significantly reduced in the obstructed mutant kidney relative to that in wild-type controls
• at 14 days after UUO, renal interstitial fibrosis is significantly attenuated in the obstructed mutant kidney relative to that in wild-type controls, as shown by Aniline-blue or Sirius red staining
• at 14 days after UUO, deposition of type I and type III collagens and the number of of alpha-SMA-positive interstitial myofibroblasts are significantly reduced in the obstructed mutant kidney relative to that in wild-type controls

immune system
• at 14 days after UUO, the numbers of F4/80-positive interstitial macrophages, and CD4-positive and CD8-positive interstitial cells are significantly reduced in the obstructed mutant kidney relative to that in wild-type controls

cellular
• at 14 days after UUO, the number of TUNEL-positive tubular apoptotic cells is significantly reduced in the obstructed mutant kidney relative to that in wild-type controls


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
12/17/2024
MGI 6.24
The Jackson Laboratory