DESCRIPTION:

QTL associated with failure of ureteric bud invasion 1. This interval was obtained by using a fixed interval width of 25 Mbp around the peak marker (117819315)

LABEL:

QTL-Fubi1-Mouse-Chr 2

SCORE TYPE:

Binary

DATE ADDED:

2012-04-02

DATE UPDATED:

2024-04-25

SPECIES:

URI:

http://www.informatics.jax.org/searches/accession_report.cgi?id=MGI:2385337

AUTHORS:

Kamba T, Higashi S, Kamoto T, Shisa H, Yamada Y, Ogawa O, Hiai H

TITLE:

Failure of ureteric bud invasion: a new model of renal agenesis in mice.

JOURNAL:

The American journal of pathology Dec 2001, Vol 159, pp. 2347-53

ABSTRACT:

FUBI (failure of ureteric bud invasion) is a highly inbred strain of mouse with a high spontaneous incidence of uni- or bilateral renal agenesis (60%). Bilateral renal agenesis is lethal within 2 days after birth. The primary defect of FUBI is failure of the ureteric bud to penetrate into the metanephric mesenchyme at around embryonic day 11, resulting in apoptosis of metanephric cells and leading to renal agenesis on the affected side. The metanephros seemed to be normal because co-culturing of the FUBI metanephros with homologous spinal cord induced differentiation of the rudiment, but co-culturing with the homologous ureteric bud frequently did not. Genetic analysis revealed that more than two genes were involved in this malformation and we mapped one of the modifier loci, fubi1, on chromosome 2, at approximately 65 cM from the centromere. In this region, there are two possible candidate genes, Wilms\' tumor 1 and formin, that play important roles in kidney development. Some of formin mutants shared a similar phenotype with FUBI; however, there was no difference in the expression of formin in embryonic kidneys between FUBI and control NFS/N mice. Studies of fubi1 congenic mice indicated that interaction of two or more loci is essential for the FUBI phenotype. PUBMED: 11733383
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