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Revealing the neuroimmune communication for better treatment outcomes in food allergy

Descrizione del progetto

Controllo neuroimmune dell’allergia alimentare e della risposta all’immunoterapia

Il trattamento delle allergie alimentari si basa sulla prevenzione e sull’intervento. L’immunoterapia orale spesso non riesce a garantire una protezione duratura. Sostenuto dal programma di azioni Marie Skłodowska-Curie, il progetto AllergyREBELL esplora il ruolo delle cellule nervose intestinali nella regolazione delle risposte immunitarie. Utilizzando tecniche di imaging avanzate e approcci multi-omici spaziali su modelli murini, il progetto mappa la complessa comunicazione tra il sistema nervoso e quello immunitario nell’intestino tenue. Questa ricerca su come i segnali neurali influenzano il comportamento delle cellule immunitarie intende far luce sui motivi per cui le immunoterapie hanno successo o falliscono. Nel complesso, il progetto cerca di tradurre queste conoscenze in strategie terapeutiche più sicure ed efficaci.

Obiettivo

Current management of potentially life-threatening food allergy (FA) relies on strict food avoidance and emergency medications such as ephedrine auto-injectors for acute reactions. Although oral allergen immunotherapy (OIT), gradual updosing of the offending food, has shown great promise in inducing oral tolerance, these effects are often transient and patients with severe initial symptoms are frequently non-responders. Thus, there is a pressing need for improved OIT protocols. Neuro-immune dialogue shapes the immune response in allergic asthma: activation of lung-innervating sensory neurons (nociceptors) by allergen exposure amplifies allergic lung inflammation. Comparably, gut-innervating nociceptors can also be activated through allergen exposure, pointing toward a similar neuro-immune dialogue in FA. It is currently unclear how nociceptors communicate with immune cells in FA and how this communication influences OIT outcome. In AllergyREBELL, I will identify crucial neuroimmune circuits for FA maintenance and tolerance induction by (1) constructing neuroimmune communication maps in the small intestine using a murine FA mouse model in combination with spatial transcriptomics, spatial lipidomics coupled to proteomics and intravital microscopy to track immune cell movements, (2) determining the modulatory capacity of neural factors using a sophisticated immune cell co-culture model and (3) characterising activation profiles of allergy-relevant nociceptors upon allergen exposure. This project will provide a multi-omics atlas on neuroimmune communication in FA as well as first insights how this communication modulates immune responses critical for tolerance induction. My paramount goal with AllergyREBELL is to identify crucial neuroimmune axes, which can be potentially exploited as therapeutic add-ons to improve OIT for non-responding patients and thus, increasing patients’ quality of life by reducing their constant fear of accidental exposures.

Campo scientifico (EuroSciVoc)

Parole chiave

Programma(i)

Argomento(i)

Meccanismo di finanziamento

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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(si apre in una nuova finestra) HORIZON-MSCA-2025-PF

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Coordinatore

KAROLINSKA INSTITUTET
Contributo netto dell'UE
€ 252 180,00
Indirizzo
NOBELS VAG 5
171 77 STOCKHOLM
Svezia
Regione
Östra Sverige Stockholm Stockholms län
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
Nessun dato

Partner (1)