Identification Of Ltr-Specific Small Non-Coding Rna In Felv Infected Cells
FEBS letters(2009)
Abstract
The U3-LTR region of leukemia viruses transactivates cancer-related signaling pathways through the production of a non-coding RNA transcript although the role of this transcript in virus infection remains unknown. In this study we demonstrate for the first time that an long terminal repeat (LTR)-specific small non-coding RNA is produced from a feline leukemia virus (FeLV)-infected feline cell line. RNA cloning identified this as a 104 base transcript that originates from the U3-LTR region. We also demonstrate that in in vitro assays this LTR-RNA transcript activates NF kappa B signaling. Taken together, our findings suggest a possible role for this LTR transcript in FeLV pathogenesis. (C) 2009 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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Key words
Feline leukemia virus,Long terminal repeat,Non-coding RNA,Transactivation
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