Related Experiment Videos
Enteroviruses and idiopathic dilated cardiomyopathy
H R Cochrane1, F E May, T Ashcroft
1Division of Pathology, School of Pathological Sciences, University of Newcastle upon Tyne, U.K.
The Journal of Pathology
|February 1, 1991
Summary
This study investigated enteroviral RNA in idiopathic dilated cardiomyopathy (IDC) patients, finding no evidence of infection. Further research is needed to establish the role of enteroviruses in this heart condition.
Area of Science:
- Cardiology
- Virology
- Molecular Biology
Background:
- Idiopathic dilated cardiomyopathy (IDC) is sometimes linked to persistent viral infections after myocarditis.
- Recent molecular techniques have detected viral RNA in IDC patient samples.
Purpose of the Study:
- To investigate the presence of enteroviral RNA in heart tissue from IDC patients.
- To determine if enteroviruses play a role in the pathogenesis of IDC.
Main Methods:
- Northern blotting technique used to detect enteroviral RNA sequences.
- 40 explanted heart samples from cardiac transplant recipients analyzed (19 IDC, 21 non-cardiomyopathic cardiac failure).
- Coxsackie-virus-infected mouse heart served as positive control; uninfected mouse heart as negative control.
Main Results:
- A clear viral RNA band was observed in the positive control sample.
- No hybridization signal for viral RNA was detected in any of the IDC or control samples.
- The study found no evidence of enteroviral RNA in the examined heart tissues.
Conclusions:
- The role of enteroviruses in the pathogenesis of cardiomyopathy remains uncertain.
- Current findings do not support enteroviral infection as a cause for IDC in the studied cohort.
- Further investigation is warranted to fully elucidate the causes of cardiomyopathy.