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Phenotypes Associated with This Genotype
Genotype
MGI:4838774
Allelic
Composition
Faslpr/Faslpr
Ifnar1tm1Agt/Ifnar1tm1Agt
Genetic
Background
MRL.Cg-Ifnar1tm1Agt Faslpr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Faslpr mutation (39 available); any Fas mutation (83 available)
Ifnar1tm1Agt mutation (13 available); any Ifnar1 mutation (62 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
immune system
• worse than in Faslpr homozygotes
• compared with Faslpr homozygotes
• mice exhibit IgG deposits in the kidney unlike wild-type mice
• compared with Faslpr homozygotes
• compared with Faslpr homozygotes
• compared with Faslpr homozygotes
• mice exhibit increased serum levels of kappa-chain rheumatoid factor and DNA auto-antibodies, lymphadenopathy, glomerulonephritis, renal immunoglobulin deposits, proteinuria, and end organ disease compared to in wild-type mice
• some systemic lupus erythematosus symptoms are more severe than Faslpr homozygotes
• mice exhibit increased serum levels of kappa-chain rheumatoid factor compared to in wild-type mice and Faslpr homozygotes
• DNA auto-antibodies are increased compared to in wild-type mice at 12 weeks

renal/urinary system

homeostasis/metabolism

endocrine/exocrine glands
• worse than in Faslpr homozygotes

digestive/alimentary system
• worse than in Faslpr homozygotes

hematopoietic system
• compared with Faslpr homozygotes
• mice exhibit IgG deposits in the kidney unlike wild-type mice
• compared with Faslpr homozygotes
• compared with Faslpr homozygotes
• compared with Faslpr homozygotes


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
01/28/2026
MGI 6.24
The Jackson Laboratory