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Spectral Karyotyping to Study Chromosome Abnormalities in Humans and Mice with Polycystic Kidney Disease
12:47

Spectral Karyotyping to Study Chromosome Abnormalities in Humans and Mice with Polycystic Kidney Disease

Published on: February 3, 2012

Polycystic kidney disease: an unrecognized emerging infectious disease?

M A Miller-Hjelle1, J T Hjelle, M Jones

  • 1Department of Biomedical and Therapeutic Sciences, University of Illinois College of Medicine at Peoria 61656, USA. Marcia.A.Miller@uic.edu

Emerging Infectious Diseases
|April 1, 1997
PubMed

Insights

Polycystic kidney disease (PKD) may stem from microbial infections. Researchers found bacterial endotoxins and fungal components in PKD cyst fluids, suggesting an infectious origin for this common genetic disorder.

Area of Science:

  • Nephrology
  • Infectious Diseases
  • Genetics

Background:

  • Polycystic kidney disease (PKD) is a prevalent genetic disorder.
  • Current understanding primarily focuses on genetic mutations.
  • An emerging hypothesis suggests infectious or toxic microbial involvement.

Purpose of the Study:

  • To investigate the potential role of microbial agents in Polycystic Kidney Disease (PKD).
  • To identify specific microbial components within PKD cyst fluids and tissues.
  • To explore a novel mechanistic hypothesis for microbial provocation of cystic kidney disease.

Main Methods:

  • Differential activation protocol of Limulus amebocyte lysate (LAL) assay on cyst fluids.
  • Fatty acid analysis of cyst fluid.
  • Serologic tests and fungal DNA detection in kidney tissue and cyst fluid from PKD patients and healthy controls.

Main Results:

  • Bacterial endotoxins and fungal (1-->3)-beta-D-glucans were detected in human PKD cyst fluids.
  • Fatty acid analysis confirmed endotoxin presence.
  • Fungal antigens (Fusarium, Aspergillus, Candida) and DNA were identified in PKD patient samples, but not in healthy controls.

Conclusions:

  • Findings support the hypothesis that Polycystic Kidney Disease may be an emerging infectious disease or microbial toxicosis.
  • Microbial components, including endotoxins and fungal elements, are present in PKD cyst fluids and tissues.
  • Further research is needed to identify specific microbes and their role in PKD pathogenesis.

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