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Mammalian Phenotype Ontology Annotations
Query Results - Summary
Symbol
Name
ID
Arhgef18
Rho/Rac guanine nucleotide exchange factor 18
MGI:2142567
19 phenotypes from 3 alleles in 3 genetic backgrounds
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Allelic Composition
Genetic Background
Annotated Term Reference
Arhgef18em2Cya/Arhgef18+
Nkx2-5em1(cre)Smoc/Nkx2-5+
involves: C57BL/6JCya * C57BL/6JSmoc
abnormal cell cytoskeleton morphology J:379569
abnormal myocardial fiber morphology J:379569
abnormal myocardium layer morphology J:379569
normal cardiovascular system phenotype J:379569
normal growth/size/body region phenotype J:379569
normal mortality/aging J:379569
Arhgef18em2Cya/Arhgef18em2Cya
Nkx2-5em1(cre)Smoc/Nkx2-5+
involves: C57BL/6JCya * C57BL/6JSmoc
abnormal cell cytoskeleton morphology J:379569
abnormal myocardial fiber morphology J:379569
abnormal myocardium layer morphology J:379569
decreased body weight J:379569
decreased heart left ventricle anterior wall thickness J:379569
decreased heart left ventricle muscle contractility J:379569
dilated cardiomyopathy J:379569
dilated heart left ventricle J:379569
increased heart left ventricle size J:379569
increased heart right ventricle size J:379569
increased heart ventricle size J:379569
normal mortality/aging J:379569
slow postnatal weight gain J:379569
Arhgef18Gt(OSTGST002860)Lex/Arhgef18Gt(OSTGST002860)Lex
B6;129S5-Arhgef18Gt(OSTGST002860)Lex/Ieg
preweaning lethality, incomplete penetrance J:82809
Arhgef18tm1b(KOMP)Mbp/Arhgef18+
C57BL/6N-Arhgef18tm1b(KOMP)Mbp/H
abnormal retina morphology J:211773
increased circulating amylase level J:211773
Arhgef18tm1b(KOMP)Mbp/Arhgef18tm1b(KOMP)Mbp
C57BL/6N-Arhgef18tm1b(KOMP)Mbp/H
preweaning lethality, complete penetrance J:211773

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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
04/14/2026
MGI 6.24
The Jackson Laboratory