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Phenotypes Associated with This Genotype
Genotype
MGI:7492241
Allelic
Composition		 NipblGt(EUCE313f02)Hmgu/Nipbl+
Tg(Tnnt2-cre)5Blh/0
Genetic
Background		 involves: 129P2/OlaHsd * C57BL/6 * CD-1 * DBA/2
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
NipblGt(EUCE313f02)Hmgu mutation (0 available); any Nipbl mutation (125 available)
Tg(Tnnt2-cre)5Blh mutation (1 available)
♀ phenotype observed in females
♂ phenotype observed in males
N normal phenotype
cardiovascular system
cardiovascular system phenotype ( J:236978 )
• only a single heart showed an atrial septal defect, statistically indistinguishable from wild-type
small heart ( J:236978 )
• correlates to body size

growth/size/body
decreased body size ( J:236978 )

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