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Phenotypes Associated with This Genotype
Genotype
MGI:5445941
Allelic
Composition
Myo1etm1Flv/Myo1etm1Flv
Tg(NPHS2-cre)295Lbh/0
Genetic
Background
involves: 129S6/SvEvTac * C57BL/6 * SJL
Find Mice Using the International Mouse Strain Resource (IMSR)
Mouse lines carrying:
Myo1etm1Flv mutation (1 available); any Myo1e mutation (91 available)
Tg(NPHS2-cre)295Lbh mutation (3 available)
phenotype observed in females
phenotype observed in males
N normal phenotype
renal/urinary system
• on a predominantly C57BL/6 background, many mice develop albuminuria by 8 weeks of age
• however, some mice that retain Myo1e expression in podocytes, as confirmed by immunostaining, do not exhibit albuminuria; a number of these maintain normal urinary protein excretion up to 6-8 months of age
• by 4 months of age, the average number of foot processes per unit length of the basement membrane is lower than that in controls
• at 2 months of age, proteinuric mice exhibit only a few areas of foot process effacement
• by 4 months of age, pronounced foot process effacement is observed, unlike in control mice
• by 4 months of age, the overall outline of the GBM appears jagged and uneven, unlike in control mice
• at 2 months of age, proteinuric mice exhibit only a few areas of GBM thickening
• by 4 months of age, average GBM thickness is increased relative to that in controls
• at 8 months of age, mice exhibit some sclerotic glomeruli, unlike control mice
• however, no glomerulosclerosis is seen at 4 months
• at 8 months of age, mice exhibit a few proteinaceous casts, unlike control mice
• however, no renal casts are seen at 4 months

homeostasis/metabolism
• on a predominantly C57BL/6 background, many mice develop albuminuria by 8 weeks of age
• however, some mice that retain Myo1e expression in podocytes, as confirmed by immunostaining, do not exhibit albuminuria; a number of these maintain normal urinary protein excretion up to 6-8 months of age


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
03/18/2025
MGI 6.24
The Jackson Laboratory