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Identification of LTR-specific small non-coding RNA in FeLV infected cells.


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 kappaB signaling. Taken together, our findings suggest a possible role for this LTR transcript in FeLV pathogenesis.

SUBMITTER: Forman LW 

PROVIDER: S-EPMC3774839 | biostudies-literature | 2009 Apr

REPOSITORIES: biostudies-literature

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Identification of LTR-specific small non-coding RNA in FeLV infected cells.

Forman Lora W LW   Pal-Ghosh Ruma R   Spanjaard Remco A RA   Faller Douglas V DV   Ghosh Sajal K SK  

FEBS letters 20090329 8


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 al  ...[more]

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