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Signalling-in-NODs

Investigation of the role and mechanism of action of NOD2-mediated isoform selective PI3K signalling in gut immunity and inflammation

Total Cost €

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EC-Contrib. €

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 Signalling-in-NODs project word cloud

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domain    protective    biological    immunology    pi3ks    initiated    integrate    molecules    susceptibility    alongside    mechanism    nucleotide    nod    genetic    inflammatory    recognition    microbiology    molecular    prr    variants    animal    isoform    functions    tolerance    lipid    orchestrating    messengers    mediated    intrinsic    cell    innate    mutations    immunity    mice    family    evolutionarily    regulate    generate    microbial    therapeutic    vivo    intestinal    isoforms    models    made    unravel    single    phosphoinositide    phenomenon    oligomerization    autophagy    proteins    conserved    caused    discovered    convey    discover    nod2    ibd    programs    elucidate    linked    inflammation    either    signaling    unmet    roles    receptor    disease    biology    strategies    plan    immune    dysregulated    risk    pathogen    regulating    phenomena    dendritic    components    driving    despite    anti    pharmacological    little    bowel    action    gut    pathology    pi3k    nlr    peptides    host    deleterious    protection    societies    kinases    gene    chronic    delta    mechanisms    p110    underlying    western   

Project "Signalling-in-NODs" data sheet

The following table provides information about the project.

Coordinator
QUEEN MARY UNIVERSITY OF LONDON 

Organization address
address: 327 MILE END ROAD
city: LONDON
postcode: E1 4NS
website: http://www.qmul.ac.uk

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 195˙454 €
 EC max contribution 195˙454 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2016
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2017
 Duration (year-month-day) from 2017-05-01   to  2019-04-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    QUEEN MARY UNIVERSITY OF LONDON UK (LONDON) coordinator 195˙454.00

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 Project objective

Inflammatory bowel disease (IBD) is a complex chronic pathology in western societies. There is an unmet need for new therapeutic strategies which can only be achieved through a better understanding of the molecular mechanisms of host immunity. It is established that dysregulated host innate immune recognition either caused by genetic risk variants in pathogen recognition receptor (PRR) molecules or microbial factors is commonly associated with IBD. A unique PRR family member, Nucleotide oligomerization domain (NOD)2 programs gut immunity and protection through autophagy process initiated by the recognition of microbial peptides. Deleterious mutations in NOD2 and autophagy-associated proteins are linked to IBD susceptibility. Despite the advances made in understanding of the mechanisms underlying NOD2 biology, particularly that of autophagy, very little is known about the cell signaling components and their mechanism regulating autophagy under NOD2 pathway. Recently, I discovered that a single Phosphoinositide 3-kinases (PI3K) isoform p110δ is integrated in NOD2 mediated autophagy process. PI3Ks are an evolutionarily conserved family of signaling molecules that integrate PRR signaling. PI3Ks generate lipid second messengers and regulate mediated immune responses. I now propose to unravel key biological phenomenon by which p110δ PI3K convey host protective functions through NOD2-mediated autophagy, ensuring the gut immunity and tolerance. The aims are to (1) Determine the dendritic cell-intrinsic role and mechanism(s) of action of PI3K isoforms in orchestrating anti-inflammatory processes under NOD2-mediated autophagy. (2) Discover the roles of PI3K isoforms in NLR-mediated intestinal immunity using isoform specific PI3K gene-targeted mice alongside with pharmacological targeting strategies in vivo. My plan is integrated with animal models, immunology, cell biology, microbiology and in vivo inflammation studies to elucidate key biological phenomena driving IBD.

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