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Phenotypes Associated with This Genotype
Genotype
MGI:5796283
Allelic
Composition		 Jak1tm1Kuw/Jak1tm1Kuw
Tg(Wap-cre)11738Mam/0
Genetic
Background		 involves: 129X1/SvJ * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Jak1tm1Kuw mutation (1 available); any Jak1 mutation (51 available)
Tg(Wap-cre)11738Mam mutation (2 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
endocrine/exocrine glands
abnormal involution of the mammary gland ( J:235354 )
• delay in postlactational remodeling of the mammary gland

integument
abnormal involution of the mammary gland ( J:235354 )
• delay in postlactational remodeling of the mammary gland

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
01/13/2026
MGI 6.24 		The Jackson Laboratory