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Torque Teno Virus

Torque teno virus (TTV) is a circular, single-stranded DNA virus that chronically infects healthy individuals of all ages worldwide. There is a lot of data on the prevalence and genetic heterogeneity of TTV in healthy populations and in patients with various diseases now available. However, little i...

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Bibliographic Details
Published in:Virology journal 2009-09, Vol.6, p.134
Main Authors: Vasilyev, Evgeny V, Trofimov, Dmitry Y, Tonevitsky, Alexander G, Ilinsky, Valery V, Korostin, Dmitriy O, Rebrikov, Denis V
Format: Article
Language:English
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Summary:Torque teno virus (TTV) is a circular, single-stranded DNA virus that chronically infects healthy individuals of all ages worldwide. There is a lot of data on the prevalence and genetic heterogeneity of TTV in healthy populations and in patients with various diseases now available. However, little is known about TTV load among healthy human population. In this study we analyzed TTV load in the group of 512 Russian elite athletes, who are supposed to be, by some standards, the healthiest part of the human population. The prevalence rate of TTV among the Russian Olympic Reserve members was 94% (for test sensitivity about 1000 genome equivalents per 1 ml of blood). Quantities varied from 10.sup.3 .sup.(which corresponded to detection limit) to 10.sup.10 .sup.copies per 1 ml of blood, with median at 2.7 x 10.sup.6 .sup.copies. About 94% of healthy individuals in Russian population have more than 1000 TTV genome copies per 1 ml of blood. This result exceeds the previously published data, and can be explained by either more sensitive PCR test system or by higher TTV distribution in Russian population or both. TTV viral load neither depends on gender, nor age.
ISSN:1743-422X
1743-422X
DOI:10.1186/1743-422X-6-134