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NCI-CAD SIGNED

Neutrophil - Chlamydia interactions at the crossroad of adaptation and defence

Total Cost €

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EC-Contrib. €

0

Partnership

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 NCI-CAD project word cloud

Explore the words cloud of the NCI-CAD project. It provides you a very rough idea of what is the project "NCI-CAD" about.

cells    survive    diagnosed    nature    itself    resistant    cell    paralysis    trachomatis    unknown    strategies    unclear    pathologies    chronic    rapid    intracellular    bacteria    patient    made    subset    health    activation    infections    broad    subsequent    transmitted    resolve    chlamydial    stis    defence    asymptomatic    infection    pmns    decades    incidences    sti    surprisingly    pmn    observation    ing    antibacterial    stimulated    stimuli    posses    chlamydia    tissue    lived    host    obligate    themselves    autonomous    converted    secreted    innate    neutrophils    explanation    bacterial    concomitant    enormous    reprogramming    indicating    exposure    damage    immune    prime    rearm    frequent    replication    laboratory    effector    inflammation    unresponsive    protease    intriguing    cdu1    ubiquitin    spread    burden    consequently    diseases    polymorphonuclear    comprehensively    sexually    cpaf    responsible    mechanism    economic    severe    unexpectedly    completely    offers    antibiotic    causes    deubiquitinase    unexpected    preventing   

Project "NCI-CAD" data sheet

The following table provides information about the project.

Coordinator
JULIUS-MAXIMILIANS-UNIVERSITAT WURZBURG 

Organization address
address: SANDERRING 2
city: WUERZBURG
postcode: 97070
website: http://www.uni-wuerzburg.de

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 Germany [DE]
 Total cost 2˙499˙340 €
 EC max contribution 2˙499˙340 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2018-ADG
 Funding Scheme ERC-ADG
 Starting year 2019
 Duration (year-month-day) from 2019-10-01   to  2024-09-30

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    JULIUS-MAXIMILIANS-UNIVERSITAT WURZBURG DE (WUERZBURG) coordinator 2˙499˙340.00

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 Project objective

Incidences of sexually transmitted diseases (STI) have increased during the past decades with a concomitant rapid spread of antibiotic resistant bacteria. Chlamydia trachomatis is the most frequent cause of bacterial STIs. These infections often remain asymptomatic and are consequently not diagnosed and treated, resulting in the subsequent development of severe chronic pathologies and an enormous economic burden for health systems. The reason for the asymptomatic nature of chlamydial infection is currently unknown.

My laboratory made the intriguing observation that exposure of polymorphonuclear neutrophils (PMNs), a major subset of innate immune cells and cause of inflammation and tissue damage, to C. trachomatis causes PMNs to become unresponsive to a broad range of stimuli, including Chlamydia themselves. We identified a chlamydial secreted protease (CPAF) to be the bacterial effector responsible for preventing the activation of the non-stimulated PMNs. Chlamydia not only survive PMN exposure but can also surprisingly exploit the PMN itself as host cell for replication. Unexpectedly, the chlamydial secreted deubiquitinase Cdu1 is required for intracellular adaptation of Chlamydia, indicating that PMNs may posses antibacterial cell-autonomous defence strategies based on the host ubiquitin system.

It remains completely unclear how PMNs are converted to host cells for obligate intracellular bacteria. This proposal therefore aims to comprehensively investigate the mechanism of PMN reprogramming from a short-lived major immune effector cells to a host cell for Chlamydia replication and development. PMN paralysis offers an unexpected explanation for the asymptomatic nature of these infections. Furthermore, chlamydial factors involved in PMN reprogramming provide prime targets to rearm the patient’s immune response to effectively resolve Chlamydia infections.

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The information about "NCI-CAD" are provided by the European Opendata Portal: CORDIS opendata.

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