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Phenotypes associated with this allele
Allele Symbol
Allele Name
Allele ID
Hmga2em1Hokl
endonuclease-mediated mutation 1, Sabine Hombach-Klonisch
MGI:8282794
Summary 2 genotypes
Jump to Allelic Composition Genetic Background Genotype ID
hm1
Hmga2em1Hokl/Hmga2em1Hokl C57BL/6J-Hmga2em1Hokl MGI:8283260
ht2
Hmga2em1Hokl/Hmga2+ C57BL/6J-Hmga2em1Hokl MGI:8283261


Genotype
MGI:8283260
hm1
Allelic
Composition
Hmga2em1Hokl/Hmga2em1Hokl
Genetic
Background
C57BL/6J-Hmga2em1Hokl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hmga2em1Hokl mutation (0 available); any Hmga2 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
• occasionally, dwarfism is associated with dysmorphic facial features and mainly seen in young mice
• small for gestation size

craniofacial
• occasionally, dwarfism is associated with dysmorphic facial features and mainly seen in young mice

adipose tissue
• mouse embryonic fibroblasts (MEFs) show diminished adipogenic differentiation, with reduced lipid droplet formation

cellular
• mouse embryonic fibroblasts (MEFs) show diminished adipogenic differentiation, with reduced lipid droplet formation

reproductive system
N
• mice are fertile

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
Silver-Russell syndrome DOID:14681 OMIM:180860
J:348065




Genotype
MGI:8283261
ht2
Allelic
Composition
Hmga2em1Hokl/Hmga2+
Genetic
Background
C57BL/6J-Hmga2em1Hokl
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Hmga2em1Hokl mutation (0 available); any Hmga2 mutation (12 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
growth/size/body
N
• mice are not growth restricted





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