Clinical and pathologic findings in two new allelic murine models of polycystic kidney disease.
Alleles, Animal, Comparative-Study, Disease-Models-Animal, Female, Human, Kidney, Kidney-Polycystic-Autosomal-Dominant, Kidney-Polycystic-Autosomal-Recessive, Liver, Male, Mice, Mice-Mutant-Strains, Phenotype, SUPPORT-U-S-GOVT-P-H-S, Testis
J Am Soc Nephrol 1999 Dec; 10(12):2534-9.
Patients with inherited cystic kidney diseases have progressive cystic dilation of nephrons with concomitant loss of functional renal parenchyma and renal failure. Animal models of inherited cystic kidney disease are useful for study of the pathogenesis and molecular basis of cystic renal diseases. This article describes the clinical and pathologic features in two spontaneously occurring murine models of inherited polycystic kidney disease due to independent allelic mutations on mouse chromosome 8. The mutations, designated kat and kat2J, affect a chromosomal segment homologous to a region of human chromosome 4q35; the altered gene has not yet been identified. An allelism test showed that the mutations are at the same locus. The phenotype, inherited as an autosomal recessive, is more severe in kat2J/kat2J mice. Their kidneys are morphologically normal at birth, but by 3 mo of age, cysts affect all levels of the nephron. Adult males have testicular hypoplasia and they are sterile. A few of the oldest kat2J/kat2J mice have focal portal bile duct proliferation and dilation. kat2J/kat2J mice develop anemia and uremia and die before 1 yr of age. In kat/kat mice, the renal cystic disease progresses more slowly but is morphologically similar to that of kat2J/kat2J mice. The progressive cystic transformation of the kidneys in these allelic murine models resembles that seen in humans with autosomal dominant polycystic kidney disease.
Vogler, C; Homan, S; Pung, A; Thorpe, C; Barker, J; Birkenmeier, E H.; and Upadhya, P, " Clinical and pathologic findings in two new allelic murine models of polycystic kidney disease." (1999). Faculty Research 1990 - 1999. 1365.
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