Phenotypes for Steep1 MGI:4458363 MGI Mouse

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Phenotypes Associated with This Genotype

Allelic Composition	Steep1^{Gt(RRG250)Byg}/Y
Genetic Background	chimera involves: 129P2/OlaHsd

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Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Steep1^{Gt(RRG250)Byg} mutation (0 available); any Steep1 mutation (24 available)

♀	phenotype observed in females
♂	phenotype observed in males
N	normal phenotype

Steep1^{Gt(RRG250)Byg}/Y chimera at E9.5 exhibits abnormal brain development

nervous system

abnormal midbrain-hindbrain boundary morphology ( J:160967 )

• misshaped

decreased forebrain size ( J:160967 )

• small forebrain

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)
Citing These Resources Funding Information Warranty Disclaimer, Privacy Notice, Licensing, & Copyright Send questions and comments to User Support.	last database update 03/25/2025 MGI 6.24