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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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Partnership

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 Signalling-in-NODs project word cloud

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

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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