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Intragranullar calcium regulation of mucin secretion and sorting.

Total Cost €


EC-Contrib. €






 ICaRMuSs project word cloud

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

loci    composition    membrane    epithelial    synthesized    tools    mass    first    encountered    mechanical    me    probe    track    resolution    genetically    infections    calcium    cas9    innovative    mayor    adapt    sorting    concentration    gastrointestinal    dictated    pathologies    sequence    crispr    super    mucins    mucin    protects    intragranular    signal    rfp    facs    biology    triggers    fibrosis    layer    defects    purify    stress    training    secretion    secreting    continuous    modify    space    chronic    add    abundant    granules    insults    spectrometry    secreted    muc5ac    function    describe    engineer    inflammation    largely    goblet    airways    abnormalities    golgi    cystic    disease    questions    releasing    muc2    creative    cells    microscopy    microbial    regulates    proteins    speculation    apparatus    asthma    aggressive    secretory    plasma    granular    gaps    international    filling    trafficking    pulmonary    extracellular    mobility    obstructive    deleterious    gfp    glysosylated    fusion    packed    epithelium    covered    physiology    gap    mucus    heavily    dysfunction    precisely    cell    vesicles   

Project "ICaRMuSs" data sheet

The following table provides information about the project.


Organization address
postcode: 8003

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 Spain [ES]
 Total cost 172˙932 €
 EC max contribution 172˙932 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2019
 Funding Scheme MSCA-IF-EF-ST
 Starting year 2020
 Duration (year-month-day) from 2020-04-01   to  2022-03-31


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The epithelium in the airways and gastrointestinal track are covered by a mucus layer which protects the epithelium from mechanical and microbial insults. The most abundant proteins in the mucus layer are mucins which are synthesized and secreted by goblet cells. Mucus function is largely dictated by mucin composition and goblet cells can modify their secretory properties to adapt to the continuous changes the epithelium is encountered with. Mucins are heavily glysosylated and packed into secretory vesicles in the Golgi apparatus. A calcium signal triggers the fusion of the secretory vesicles with the plasma membrane releasing mucins to the extracellular space. The role of intragranular calcium remains a mayor gap in our understanding of mucin physiology and how goblet cells precisely control mucus composition remains only a matter of speculation. These are highly relevant questions as defects in mucin secretion cause mucus abnormalities, epithelial stress and dysfunction that can lead to microbial deleterious infections, chronic inflammation and more aggressive pathologies such as cystic fibrosis, asthma, and chronic obstructive pulmonary disease. In this project I will address how calcium regulates the trafficking, sorting and secretion of mucins, filling current gaps in our understanding of mucus physiology. I will genetically engineer mucin-secreting cells with the CRISPR/Cas9 tools to add GFP and RFP to MUC5AC and MUC2 loci and describe granular composition by super resolution microscopy and FACS. I will use a first-in its kind probe to measure intragranular calcium concentration and finally I will purify secretory granules and sequence them with mass spectrometry to determine which membrane proteins are important for mucin secretion. This project will allow me to apply my experience in highly relevant questions in cell biology and it will also enhance my creative and innovative potential through advanced training and international mobility.

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

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