Rna amplication system using plant components in animal cells
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United States of America Patent
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Issued Date -
Dec 30, 2004
app pub date -
Aug 20, 2004
filing date -
Jul 30, 2001
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method and a novel system for the constitutive or inducible, stable or transient intracellular amplification of foreign RNA in an animal cell or organism. The system is based on an autonomous, RNA-dependent RNA amplification by the expression of the RNA-dependent RNA polymerase (RdRP) of a plant virus in animal cells. The amplification is initiated by an RNA transcript, (primary transcript), comprising the cis-active sequences for said RdRP. The amplified RNA can act as mRNA for protein synthesis, as effector RNA, (for example as anti-sense RNA against specific mRNA or viral RNA molecules, as a ribozyme against cellular RNA molecules or recombinant structure RNA in ribosomes or spliceosomes), or as genomic RNA for the production of recombinant viruses. In vivo applications include gene therapy, vaccination and therapeutic vaccination.
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