ArticleThe EMBO journal2002
Sendai virus trailer RNA binds TIAR, a cellular protein involved in virus-induced apoptosis.
Article in The EMBO journal, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.
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Who cites it
66 citing papers in PubMed, 108 citations in OpenAlex.
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6 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Sendai virus (SeV) leader (le) and trailer (tr) RNAs are short transcripts generated during abortive antigenome and genome synthesis, respectively. Recom binant SeV (rSeV) that express tr-like RNAs from the leader region are non-cytopathic and, moreover, prevent wild-type SeV from inducing apoptosis in mixed infections. These rSeV thus appear to have gained a function. Here we report that tr RNA binds to a cellular protein with many links to apoptosis (TIAR) via the AU-rich sequence 5' UUUUAAAUUUU. Duplication of this AU-rich sequence alone within the le RNA confers TIAR binding on this le* RNA and a non-cytopathic phenotype to these rSeV in cell culture. Transgenic overexpression of TIAR during SeV infection promotes apoptosis and reverses the anti-apoptotic effects of le* RNA expression. More over, TIAR overexpression and SeV infection act synergistically to induce apoptosis. These short viral RNAs may act by sequestering TIAR, a multivalent RNA recognition motif (RRM) family RNA-binding protein involved in SeV-induced apoptosis. In this view, tr RNA is not simply a by-product of abortive genome synthesis, but is also an antigenome transcript that modulates the cellular antiviral response.
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