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Phenotypes Associated with This Genotype
Genotype
MGI:5306352
Allelic
Composition		 Kitltm2.1Sjm/Kitltm2.2Sjm
Tg(Col1a1-cre)2Bek/0
Genetic
Background		 involves: BALB/cJ * C57BL/6 * C57BL/Ka * CD-1 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Kitltm2.1Sjm mutation (1 available); any Kitl mutation (92 available)
Kitltm2.2Sjm mutation (0 available); any Kitl mutation (92 available)
Tg(Col1a1-cre)2Bek mutation (1 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
hematopoietic system
hematopoietic system phenotype ( J:180431 )
N
• exhibit normal blood cell counts, bone marrow composition, bone marrow and spleen cellularity, and reconstitution capacity
decreased hematopoietic cell number ( J:180431 )
• 2-fold as in Kitltm2.2Sjm heterozygotes in the bone marrow

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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Send questions and comments to User Support. 		last database update
01/06/2026
MGI 6.24 		The Jackson Laboratory