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Phenotypes Associated with This Genotype
Genotype
MGI:3800213
Allelic
Composition
Apoetm1Unc/Apoetm1Unc
Faslpr/Faslpr
Genetic
Background
B6.Cg-Apoetm1Unc Faslpr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Apoetm1Unc mutation (33 available); any Apoe mutation (163 available)
Faslpr mutation (39 available); any Fas mutation (82 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
N
• at 5 months, there are no significant differences in most leukocyte subsets (NK-cells, monocytes/macrophages, and neutrophils) compared to controls
• significantly enlarged compared to Apoe-null, Fas-heterozygous mice or Apoe-wt, Fas-homozygous mice at 5 months
• numbers of circulating cells are significantly reduced
• numbers of circulating cells are significantly reduced comparted to Apoe-wt, Fas-homozygous mice at 5 months
• serum levels of IgG are significantly higher than in Apoe-null and Apoe-null, Fas-heterozygous mice at 6 weeks and at 5 months

growth/size/body
• significantly enlarged compared to Apoe-null, Fas-heterozygous mice or Apoe-wt, Fas-homozygous mice at 5 months

immune system
• significantly enlarged compared to Apoe-null, Fas-heterozygous mice or Apoe-wt, Fas-homozygous mice at 5 months
• numbers of circulating cells are significantly reduced
• numbers of circulating cells are significantly reduced comparted to Apoe-wt, Fas-homozygous mice at 5 months
• serum levels of IgG are significantly higher than in Apoe-null and Apoe-null, Fas-heterozygous mice at 6 weeks and at 5 months
• serum antibodies against oxidized phospholipid (OxPL) are decreased compared to Apoe-wt, Fas-homozygous and Apoe-null, Fas-wt controls
• levels of IgG anti-cardiolipin antibodies are increased at 5 months relative to controls
• levels of IgG anti-POVPC and anti-PGPC autoantibodies are significantly higher than in controls at 5 months; IgM anti-POVPC levels are increased also
• serum levels of IgG anti-dsDNA antibodies are significantly higher than in Apoe-null, Fas-wt controls and Apoe-null, Fas-heterozygous mice at 6 weeks and at 5 months
• renal damage is observed, with IgG and C3 deposits present in the mesangium and peripheral capillary loops

renal/urinary system
• at 5 months, renal sections show an increase in apoptotic cells
• increased apoptotic cells are seen in renal tubules at 5 months
• proteinuria is increased compared to Fas-homozygous controls; proteinuria is not evident at 1 month of age
• renal damage is observed, with IgG and C3 deposits present in the mesangium and peripheral capillary loops
• proliferation of glomerular cells and lobule formation are observed
• IgG and C3 deposits present in the mesangium and peripheral capillary loops
• glomerular tuft areas are enlarged compared to controls

cardiovascular system
• IgG deposition in thickened aortic intimas is seen at 5 months, but is not observed in controls; neglible complement C3 deposition is observed in double homozygotes
• increased lesion area at aortic valves in mice on a normal chow diet compared to Apoe-null, Fas-wt controls
• increase in apoptotic cells in vessel walls of heart (in vascular lesions) is observed at 5 months relative to controls

skeleton
• all limbs of female mutants have lower bone mineral densities (BMD) than male mutants at 5 months of age; ostopenia is similar to Apoe-wt, Fas-null mice at 5 months
• femoral BMD is lower in females than controls at 5 months and 9 months; vertebrae BMD shows a similar trend at 5 months and is lower at 9 months
• at 5 months, vertebrae BMD trends to lower values than controls; at 9 months, BMD is significantly lower
• femoral BMD in females is lower than in Apoe-null, Fas-wt controls at 5 months and at 9 months
• at 9 months, a progressive decrease in trabecular bones (BV/TV, connectivity density, trabecular number, trabecular thickness) is observed in females compared to female Apoe-null, Fas-wt controls

homeostasis/metabolism
• total serum cholesterol and unesterified cholesterol levels are lower than Apoe-null, Fas-wt controls
• proteinuria is increased compared to Fas-homozygous controls; proteinuria is not evident at 1 month of age

cellular
• at 5 months, renal sections show an increase in apoptotic cells
• increased apoptotic cells are seen in renal tubules at 5 months

endocrine/exocrine glands


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
03/18/2025
MGI 6.24
The Jackson Laboratory