Gene Summary

Name:
Rho/Rac guanine nucleotide exchange factor 18
Synonyms:
D030053O22Rik,  A430078G23Rik

IMPC Phenotype Summary

Significant
Not Significant
Not tested

Phenotypes

The IMPC applies a panel of phenotyping screens to characterise single-gene knockout mice by comparison to wild types. Click on the different tabs to visualise significant phenotypes identified by the IMPC, as well as all data that was measured.

Phenotype System Allele Zyg Sex Life Stage P Value
preweaning lethality, complete penetrance Arhgef18tm1b(KOMP)Mbp HOM   Early adult 0.00
increased basophil cell number Arhgef18tm1b(KOMP)Mbp HET Early adult 6.11×10-05
increased circulating amylase level Arhgef18tm1b(KOMP)Mbp HET Early adult 7.54×10-05
abnormal retina morphology Arhgef18tm1b(KOMP)Mbp HET Early adult 1.15×10-16

Download data as:  TSV  XLS

Select physiological systems to view:
Viewing: all phenotypes
Select physiological systems to view:
Viewing: all phenotypes

lacZ Expression

No Adult expression data was found for this gene.

An assay measuring the expression of lacZ shows the tissue where the gene is expressed.

Anatomy Images Zygosity Mutant Expr
Brain N/A heterozygote Ambiguous
Brain N/A homozygote Ambiguous
Ear N/A heterozygote Ambiguous
Ear N/A homozygote Ambiguous
Embryo N/A heterozygote Ambiguous
Embryo N/A homozygote Ambiguous
Eye N/A heterozygote Ambiguous
Eye N/A homozygote Ambiguous
Footplate N/A heterozygote Ambiguous
Footplate N/A homozygote Ambiguous
Forebrain N/A heterozygote Ambiguous
Forebrain N/A homozygote Ambiguous
Forelimb N/A heterozygote Ambiguous
Forelimb N/A homozygote Ambiguous
Handplate N/A heterozygote Ambiguous
Handplate N/A homozygote Ambiguous
Head N/A heterozygote Ambiguous
Head N/A homozygote Ambiguous
Heart N/A heterozygote Ambiguous
Heart N/A homozygote Ambiguous
Hindbrain N/A heterozygote Ambiguous
Hindbrain N/A homozygote Ambiguous
Hindlimb N/A heterozygote Ambiguous
Hindlimb N/A homozygote Ambiguous
Liver N/A heterozygote Ambiguous
Liver N/A homozygote Ambiguous
Lung N/A heterozygote Ambiguous
Lung N/A homozygote Ambiguous
Mandibular process N/A heterozygote Ambiguous
Mandibular process N/A homozygote Ambiguous
Maxillary process N/A heterozygote Ambiguous
Maxillary process N/A homozygote Ambiguous
Midbrain N/A heterozygote Ambiguous
Midbrain N/A homozygote Ambiguous
Oral cavity N/A heterozygote Ambiguous
Oral cavity N/A homozygote Ambiguous
Skin N/A heterozygote Ambiguous
Skin N/A homozygote Ambiguous
Tail somite N/A heterozygote Ambiguous
Tail somite N/A homozygote Ambiguous
Tail N/A heterozygote Ambiguous
Tail N/A homozygote Ambiguous

Background staining occurs in wild type mice and embryos at an incidental rate.

Anatomy Background staining in controls (WT)

Background staining occurs in wild type mice and embryos at an incidental rate.

Background staining occurs in wild type embryos at a measurable rate.

Anatomy Background staining in controls(WT)
brain 0.0%
ear 0.0%
embryo 0.0%
eye 0.0%
footplate 0.0%
forebrain 0.0%
forelimb 0.0%
handplate 0.0%
head 0.0%
heart 0.0%
hindbrain 0.0%
hindlimb 0.0%
liver 0.0%
lung 0.0%
mandibular process 0.0%
maxillary process 0.0%
midbrain 0.0%
oral cavity 0.0%
skin 0.0%
tail 0.0%
tail somite group 0.0%

Associated Images

Images submitted by IMPC centres for a selection of procedures. Each set of images is available to view in our image comparator.

X-ray

XRay Images Whole Body Dorso Ventral

22 Images

X-ray

XRay Images Skull Lateral Orientation

11 Images

X-ray

XRay Images Skull Dorso Ventral Orientation

11 Images

Embryo LacZ

LacZ images wholemount

8 Images

Anti-nuclear antibody assay

Images

4 Images

X-ray

XRay Images Forepaw

11 Images

X-ray

XRay Images Whole Body Lateral Orientation

24 Images

MicroCT E18.5

Embryo reconstruction

4 Images

Eye Morphology

Images Ophthalmoscopy

4 Images

MicroCT E14.5-E15.5

Embryo reconstruction

6 Images

DSS Histology

Images

8 Images

Ear epidermis immunophenotyping

Images

12 Images

Human diseases caused by Arhgef18 mutations

The analysis uses data from IMPC, along with published data on other mouse mutants, in comparison to human disease reports in OMIM, Orphanet, and DECIPHER.

Phenotype comparisons summarize the similarity of mouse phenotypes with human disease phenotypes.

The table below shows human diseases associated to Arhgef18 by orthology or direct annotation.

Disease Similarity of
phenotypes
Matching phenotypes Source
Retinitis Pigmentosa
Abnormal retinal vascular morphology, Abnormality of retinal pigmentation, Optic atrophy ORPHA:791
Retinitis Pigmentosa 78
Optic disc pallor, Cystoid macular edema OMIM:617433

The table below shows human diseases predicted to be associated to Arhgef18 by phenotypic similarity.

Disease Similarity of
phenotypes
Matching phenotypes Source
Retinal Dysplasia, Primary
Retinal dysplasia, Falciform retinal fold OMIM:312550
Stargardt Disease 1
Macular degeneration, Retinitis pigmentosa inversa, Bull's eye maculopathy OMIM:248200
Pentosuria
Abnormal circulating carbohydrate concentration, Abnormality of circulating enzyme level ORPHA:2843
Exudative Vitreoretinopathy 7
Retinal detachment, Exudative vitreoretinopathy, Retinal hole, Retinal fold, Retinal degeneration OMIM:617572
Retinoschisis 1, X-Linked, Juvenile
Retinal detachment, Retinal atrophy, Retinal pigment epithelial atrophy, Mizuo phenomenon, Macula... OMIM:312700
Exudative Vitreoretinopathy 3
Retinal detachment, Retinal exudate, Exudative vitreoretinopathy, Retinal hole, Retinal fold OMIM:605750
Chronic Myeloid Leukemia
Splenomegaly, Leukocytosis, Abnormal granulocyte morphology, Myeloproliferative disorder, Thrombo... ORPHA:521
Late-Onset Retinal Degeneration
Sub-RPE deposits, Choroidal neovascularization, Chorioretinal degeneration, Retinopathy, Retinal ... OMIM:605670
X-Linked Retinal Dysplasia
Abnormal retinal vascular morphology, Abnormality of retinal pigmentation, Retinal dysplasia ORPHA:1852
Familial Drusen
Abnormality of retinal pigmentation, Macular drusen, Peripapillary chorioretinal atrophy, Choroid... ORPHA:75376
Retinopathy, Pericentral Pigmentary, Dominant
Bone spicule pigmentation of the retina, Retinal atrophy, Retinal dystrophy, Pigmentary retinopat... OMIM:180210
Birdshot Chorioretinopathy
Retinal detachment, Optic disc pallor, Abnormal chorioretinal morphology, Choroidal neovasculariz... ORPHA:179
Retinitis Pigmentosa 70
Optic disc pallor, Macular degeneration, Rod-cone dystrophy, Retinal degeneration, Attenuation of... OMIM:615922
Retinitis Pigmentosa 13
Bone spicule pigmentation of the retina, Optic disc drusen, Perifoveal ring of hyperautofluoresce... OMIM:600059
Immunodeficiency 60 And Autoimmunity
Splenomegaly, Pancytopenia, Decreased proportion of memory B cells, Decreased basophil count OMIM:618394
Exudative Vitreoretinopathy 2, X-Linked
Retinal detachment, Peripheral retinal avascularization, Subretinal exudate, Intraretinal exudate... OMIM:305390
Reese Retinal Dysplasia
Remnants of the hyaloid vascular system, Retinal dysplasia OMIM:266400
Systemic Mastocytosis With Associated Hematologic Neoplasm
Normocytic anemia, Acute myeloid leukemia, Neutrophilia, Eosinophilia, Splenomegaly, Leukocytosis... ORPHA:98849
Exudative Vitreoretinopathy 1
Retinal detachment, Peripheral retinal avascularization, Vitreous floaters, Exudative vitreoretin... OMIM:133780
Vitreoretinal Degeneration, Snowflake Type
Retinal detachment, Snowflake vitreoretinal degeneration, Optically empty vitreous, Retinal dots OMIM:193230
Coloboma Of Optic Nerve
Retinal detachment, Optic disc coloboma OMIM:120430
Retinitis Pigmentosa
Abnormal retinal vascular morphology, Abnormality of retinal pigmentation, Optic atrophy ORPHA:791
Retinitis Pigmentosa 78
Optic disc pallor, Cystoid macular edema OMIM:617433

Histopathology

Summary table of phenotypes displayed during the Histopathology procedure which are considered significant. Full histopathology data table, including submitted images, can be accessed by clicking any row in this table.

There is no histopathology data for Arhgef18

IMPC related publications

The table below lists publications which used either products generated by the IMPC or data produced by the phenotyping efforts of the IMPC. These publications have also been associated to Arhgef18.

There are 1 publication which use IMPC produced mice or data.

Title Journal IMPC Allele PubMed ID
ARHGEF18/p114RhoGEF Coordinates PKA/CREB Signaling and Actomyosin Remodeling to Promote Trophoblast Cell-Cell Fusion During Placenta Morphogenesis. Frontiers in cell and developmental biology (March 2021) Arhgef18tm1a(KOMP)Mbp PMC8027320

Order Mouse and ES Cells

All available products are supplied via our member's centres or partnerships. When ordering a product from the IMPC you will be redirected to one of their websites or prompted to start an email.

MGI Allele Allele Type Produced
Arhgef18tm1b(KOMP)Mbp Reporter-tagged deletion allele (with selection cassette) Mice
Arhgef18tm1e(KOMP)Wtsi Targeted, non-conditional allele ES Cells
Arhgef18tm1e(KOMP)Mbp Targeted, non-conditional allele ES Cells
Arhgef18tm1a(KOMP)Wtsi KO first allele (reporter-tagged insertion with conditional potential) Mice, Targeting vectors, ES Cells
Arhgef18tm1a(KOMP)Mbp KO first allele (reporter-tagged insertion with conditional potential) Mice, Targeting vectors, ES Cells

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