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Related Experiment Videos

Renal function in relation to three candidate genes.

J G Wang1, J A Staessen, L Tizzoni

  • 1Hypertensie en Cardiovasculaire Revalidatie Eenheid, Departement Moleculair en Cardiovasculair Onderzoek, Katholieke Univsiteit Leuven, Belgium.

American Journal of Kidney Diseases : the Official Journal of the National Kidney Foundation
|December 1, 2001
PubMed
Summary
This summary is machine-generated.

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Genetic variations in angiotensin-converting enzyme (ACE) and alpha-adducin influence renal function. The presence of both ACE D and alpha-adducin Trp alleles is linked to impaired kidney function and increased proteinuria.

Area of Science:

  • Nephrology
  • Genetics
  • Cardiovascular Medicine

Background:

  • Genetic polymorphisms in the angiotensin-converting enzyme (ACE), alpha-adducin, and aldosterone synthase influence hypertension and vascular health.
  • These genetic factors may also impact renal function through effects on blood pressure and sodium homeostasis.

Purpose of the Study:

  • To investigate the association between ACE (I/D), alpha-adducin (Gly460Trp), and aldosterone synthase (-344C/T) polymorphisms and markers of renal function.
  • To assess serum creatinine, creatinine clearance, and urinary protein excretion in relation to these genetic variations.

Main Methods:

  • Cross-sectional study of 1,454 randomly selected participants.
  • Genotyping for ACE, alpha-adducin, and aldosterone synthase polymorphisms.

Related Experiment Videos

  • Measurement of serum creatinine, calculated and measured creatinine clearance, and 24-hour urinary protein excretion.

    • Main Results:

    • Mild renal dysfunction (creatinine clearance ≤ 60 mL/min/1.73 m²) was observed in nearly 11% of participants.
    • The ACE D allele was associated with increased risk for mild renal dysfunction in single-gene analyses.
    • Multiple-gene analyses revealed that this association was significant only in carriers of the alpha-adducin Trp allele, with increased serum creatinine and higher risks for renal dysfunction and proteinuria.

    Conclusions:

    • Renal function is impaired in individuals carrying both the ACE D and alpha-adducin Trp alleles.
    • These genetic factors contribute to a genetically determined clinical entity affecting renal function.
    • Findings support a growing body of evidence linking these specific genetic polymorphisms to cardiovascular and renal health.