Project description
Epithelial dynamics in inflammatory bowel disease
Inflammatory bowel diseases (IBDs), including Crohn’s disease and ulcerative colitis, are characterised by long-term inflammation of the gastrointestinal tract. While therapies neutralising the pro-inflammatory cytokine tumour necrosis factor have improved patient outcomes, many individuals remain unresponsive or develop resistance over time. With the support of the Marie Skłodowska-Curie Actions programme, the INTERCONNECTIONS project focuses on the mechanical changes that intestinal epithelial cells may undergo that trigger inflammation and therapy resistance. The working hypothesis is that epithelial dynamics influence how immune cells, such as neutrophils, migrate through and remodel surrounding tissues. By uncovering how these processes shape the extracellular matrix and fibroblast behaviour, the project aims to identify new molecular targets for more effective IBD treatments.
Objective
Inflammatory bowel diseases (IBD) are a heterogeneous group of disorders characterized by gastrointestinal tract inflammation, being Crohn's Disease and Ulcerative Colitis, the most clinically abundant. IBD affects around 6.8 million people all over the world, being Europe the continent with the highest prevalence. Although anti-TNF-α monoclonal antibodies are a breakthrough therapy, almost 40% of IBD patients do not respond to therapy or acquire resistance. This leads to uncontrolled inflammation that, prolonged in time, constitutes a higher Colorectal Cancer risk. This justifies the current efforts to identify innovative therapy targets for IBD understanding of the molecular processes behind (personalized medicine). The fact that an increased intestinal permeability precedes the onset of inflammation possesses epithelial disruption as a potential etiological factor in IBD. Moreover, in recent years, several publications have highlighted that an impaired epithelial barrier is linked to resistance to therapy. Nevertheless, how altered epithelial mechanics can influence the structural properties of the extracellular matrix and immune cells migrating through it is not fully understood. On the other hand, the role of neutrophils as resistance-to-therapy players has emerged very recently. Then, we hypothesize that an alteration in epithelial cell mechanics constitutes a primary event that impacts the proliferation and behavior of the first immune cell responders: neutrophils. This would further contribute to ECM remodeling and fibroblasts polarization to IAFs (another mechanism implicated in therapy resistance). Then, INTERCONNECTIONS aims to elucidate how an altered epithelial dynamics constitutes a primary event that directly (through an altered transepithelial migration) or indirectly (affecting the mechanical framework) could promote the accumulation of activated neutrophils.
Fields of science (EuroSciVoc)
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2023-PF-01
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91054 Erlangen
Germany
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