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Phenotypes Associated with This Genotype
Genotype
MGI:6681843
Allelic
Composition
Myo9aem1Atuf/Myo9a+
Genetic
Background
C57BL/6J-Myo9aem1Atuf
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Myo9aem1Atuf mutation (0 available); any Myo9a mutation (114 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
homeostasis/metabolism
• albuminuria is seen at 2 weeks of age
• adults exhibit higher urine albumin-creatinine ratios
• however, adults show no evidence of proteinuria or weight loss

renal/urinary system
• isolated podocytes exhibit decreased attachment in an attachment assay
• preincubation of podocytes with Y26732 corrects the attachment defect
• isolated podocytes exhibit impaired migration in a wound assay
• preincubation of podocytes with Y26732, a ROCK inhibitor that inhibits RhoA signaling, partially abrogates the migration defect
• albuminuria is seen at 2 weeks of age
• adults exhibit higher urine albumin-creatinine ratios
• however, adults show no evidence of proteinuria or weight loss
• mice show foot process effacement at 4 months of age
• mice exhibit abnormal slit diaphragms at 4 months of age
• mice exhibit irregular glomerular basement membrane at 4 months of age
• mice exhibit mesangial expansion at 4 months of age
• mice show focal segmental glomerulosclerosis of various severity at 4 months of age
• however, tubular atrophy and dilatation or interstitial infiltrates are not seen

cellular
• isolated podocytes exhibit decreased attachment in an attachment assay
• preincubation of podocytes with Y26732 corrects the attachment defect
• isolated podocytes exhibit impaired migration in a wound assay
• preincubation of podocytes with Y26732, a ROCK inhibitor that inhibits RhoA signaling, partially abrogates the migration defect

Mouse Models of Human Disease
DO ID OMIM ID(s) Ref(s)
focal segmental glomerulosclerosis DOID:1312 OMIM:PS603278
J:302901


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
11/12/2024
MGI 6.24
The Jackson Laboratory