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CD14 gene -260 C/T polymorphism is associated with chronic heart failure

Stefan Krüger1, Jürgen Graf, Marc W Merx

  • 1Medizinische Klinik I, Universitätsklinikum, Rheinisch Westfälische Technische Hochschule, Pauwelsstrasse 30, 52057 Aachen, Germany. skrueger@lukasneuss.de

European Journal of Internal Medicine
|September 3, 2005
PubMed

Insights

The CD14 C(-260)T gene variant may influence chronic heart failure (CHF) risk. The T allele was less common in CHF patients, suggesting the TT genotype might protect against developing CHF.

Area of Science:

  • Genetics
  • Cardiology
  • Immunology

Background:

  • Chronic heart failure (CHF) is linked to inflammation and elevated TNFalpha and endotoxin levels.
  • The specific role of the CD14 C(-260)T polymorphism in CHF development remains unclear.
  • Investigating genetic factors like CD14 polymorphisms can offer new insights into CHF pathogenesis.

Purpose of the Study:

  • To determine if the CD14 C(-260)T promoter polymorphism is associated with an increased risk of developing CHF.
  • To explore the genetic susceptibility to CHF based on CD14 gene variations.
  • To analyze the frequency of CD14 genotypes in CHF patients and healthy controls.

Main Methods:

  • A case-control study involving 100 CHF patients and 100 healthy controls.
  • Genotyping of the CD14 C(-260)T polymorphism was conducted using the PCR-RFLP technique.
  • Demographic and clinical data, including left ventricular ejection fraction (LVEF), were collected and compared.

Main Results:

  • The T allele frequency was significantly lower in CHF patients (38%) compared to controls (48%).
  • Conversely, the C allele frequency was higher in CHF patients (62%) than in controls (52%).
  • The TT genotype was significantly underrepresented in CHF patients (14%) compared to controls (28%).

Conclusions:

  • The CD14 C(-260)T polymorphism appears to influence susceptibility to CHF.
  • A lower frequency of the T allele and underrepresentation of the TT genotype in CHF patients suggest a protective role.
  • The TT genotype may represent a novel genetic protective factor against the development of chronic heart failure.
Abstract

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