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Absence of foamy virus DNA in Graves' disease
M Schweizer1, R Turek, M Reinhardt
1Abteilung Virologie, Universität Freiburg, Germany.
Abstract:
A report on the high prevalence of foamy virus DNA in lymphocytes from French patients with Graves' disease prompted us to investigate a similar cohort of 41 German patients. Using PCR amplification and Southern blot hybridization, we detected foamy virus DNA only in lymphocytes of two accidentally infected humans and five naturally infected monkeys, as well as in DNA samples from four Graves' disease patients investigated in the French study. However, we failed to detect foamy virus DNA in peripheral blood lymphocytes from any of the 41 Graves' disease patients of the German cohort. Thus, a causative role of foamy viruses in this thyroid disease is highly improbable.
Insights
Researchers investigated foamy virus DNA in German Graves
Area of Science:
- Virology
- Immunology
- Endocrinology
Background:
- Graves' disease is an autoimmune disorder affecting the thyroid gland.
- Previous reports suggested a potential link between foamy virus DNA and Graves' disease in French patients.
Purpose of the Study:
- To investigate the prevalence of foamy virus DNA in German patients with Graves' disease.
- To determine if foamy viruses play a causative role in Graves' disease.
Main Methods:
- Polymerase chain reaction (PCR) amplification was used to detect foamy virus DNA.
- Southern blot hybridization was employed for confirmation and Southern blot hybridization.
- Analysis was performed on peripheral blood lymphocytes from 41 German Graves' disease patients.
Main Results:
- Foamy virus DNA was detected in lymphocytes from two accidentally infected humans and five naturally infected monkeys.
- Foamy virus DNA was also found in DNA samples from four Graves' disease patients from a previous French study.
- No foamy virus DNA was detected in peripheral blood lymphocytes from the 41 German Graves' disease patients.
Conclusions:
- The study failed to detect foamy virus DNA in German Graves' disease patients.
- The findings suggest that foamy viruses are unlikely to be causative agents of Graves' disease.