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Phenotypes Associated with This Genotype
Genotype
MGI:5607751
Allelic
Composition
Fasm1Btlr/Fasm1Btlr
Genetic
Background
C57BL/6J-Fasm1Btlr
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Fasm1Btlr mutation (1 available); any Fas mutation (83 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
hematopoietic system
• mice homozygous for this mutation exhibit an elevated frequency of neutrophils in the peripheral blood.
• homozygous mutant mice exhibit an elevated frequency of natural killer (NK) cells in the peripheral blood.
• homozygous mutant mice exhibit a reduced frequency of CD4+ alpha beta T lymphocytes in the periphery.
• homozygous mutant mice exhibit a reduced frequency of peripheral CD8+ alpha beta T lymphocytes.

immune system
• mice homozygous for this mutation exhibit an elevated frequency of neutrophils in the peripheral blood.
• homozygous mutant mice exhibit an elevated frequency of natural killer (NK) cells in the peripheral blood.
• homozygous mutant mice exhibit a reduced frequency of CD4+ alpha beta T lymphocytes in the periphery.
• homozygous mutant mice exhibit a reduced frequency of peripheral CD8+ alpha beta T lymphocytes.


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