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Deciphering the mechanisms of antiviral RNA interference in mammals

Total Cost €


EC-Contrib. €






Project "UncoveRNAi" data sheet

The following table provides information about the project.


Organization address
address: 1 MIDLAND ROAD
city: LONDON
postcode: NW1 1AT

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country United Kingdom [UK]
 Total cost 212˙933 €
 EC max contribution 212˙933 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2018
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2019
 Duration (year-month-day) from 2019-07-01   to  2021-06-30


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

Organisms such as plants, worms or insects rely on RNA interference (RNAi) to mount an antiviral immune response. On the other hand, it is widely believed that the type I interferon (IFN-I) pathway replaced antiviral RNAi as a primary line of defence against viral infections in chordates. However, recent work from multiple teams, including the host laboratory, has described a possible antiviral role for RNAi in cultured mammalian cells and in mice during infection with different RNA viruses. The importance of RNAi as an antiviral mechanism in mammals remains a matter of great controversy, in part due to a dearth of in vivo studies. In particular, the cell type(s) performing RNAi in vivo remains unknown, as is the relative importance of antiviral RNAi compare to the IFN-I response. I propose to decipher the mechanism and importance of antiviral RNAi in mice, by answering three main questions: 1) Where is antiviral RNAi happening? I will identify cell types implicated in antiviral RNAi using reporter viruses and permanent genetic marking of RNAi-competent cells. In parallel with these unbiased approaches, I will study antiviral immune responses in specific cell types likely to rely on antiviral RNAi, such as stem cells. 2) How is antiviral RNAi happening? I hypothesise that antiviral RNAi relies on truncated isoforms of Dicer expressed in specific cell types, and/or production of viral DNA as a means of boosting the RNAi response. I will explore both possibilities in detail. 3) What is the importance of antiviral RNAi? I will specifically ablate antiviral RNAi in cell niches that use this defence mechanism to assess its importance with respect to IFN-I. Overall, my work aims at dissecting antiviral RNAi pathways in mammals and assessing their in vivo significance. This work will provide answers to important questions in the field of antiviral immunity and will potentially open up new areas of research in human health.

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The information about "UNCOVERNAI" are provided by the European Opendata Portal: CORDIS opendata.

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