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Related Experiment Videos

PAX2 mutations in oligomeganephronia.

R Salomon1, A L Tellier, T Attie-Bitach

  • 1Pediatric Nephrologic Department, Necker-Enfants Malades Hospital, Paris, France. salomon@necker.fr

Kidney International
|February 13, 2001
PubMed
Summary

Oligomeganephronia (OMN), a rare kidney condition, may be linked to PAX2 gene mutations. Researchers found these mutations in some OMN patients, suggesting a connection to ocular anomalies.

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Area of Science:

  • Genetics
  • Developmental Biology
  • Nephrology

Background:

  • Oligomeganephronia (OMN) is a rare congenital kidney anomaly.
  • It involves bilateral renal hypoplasia with fewer, enlarged nephrons.
  • The underlying causes of OMN's deficient nephrogenesis are unknown.

Purpose of the Study:

  • To investigate the potential role of the PAX2 gene in OMN.
  • To screen for PAX2 mutations in patients with sporadic OMN.

Main Methods:

  • Genetic analysis of PAX2 in nine patients with OMN.
  • Clinical examination for ocular defects.

Main Results:

  • Heterozygous PAX2 mutations were identified in three out of nine patients.

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  • Ocular anomalies, including optic nerve coloboma and optic disk dysplasia, were detected in these patients.
  • No significant visual impairment was reported in affected individuals.

    • Conclusions:

    • PAX2 gene mutations are associated with OMN.
    • Ocular anomalies should be evaluated in all OMN patients.
    • Screening for PAX2 mutations is recommended for individuals with OMN.