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Restoration of the gut microbiome after delivery by caesarean section to prevent asthma

Descrizione del progetto

Ripristinare la salute dell’intestino per prevenire l’asma infantile

I bambini partoriti con parto cesareo corrono un rischio elevato di sviluppare asma e allergie entro i sei anni di età. Questo rischio maggiore è legato a notevoli alterazioni del microbiota intestinale, in particolare quando la composizione microbica non si normalizza entro il primo anno di vita. In questo contesto, il progetto RestoreGut, finanziato dal CER, si propone di affrontare tale problema esplorando i modi per ripristinare il microbioma intestinale nei neonati nati con parto cesareo. I ricercatori individueranno i fattori ambientali, alimentari e dell’ospite che promuovono una maturazione microbica sana, studieranno il ruolo del viroma e testeranno il microbiota fecale e il trapianto del viroma nei neonati. In caso di successo, RestoreGut potrebbe aprire la strada a strategie innovative per prevenire l’asma e sviluppare terapie mirate del microbiota per i bambini con squilibri microbici precoci.

Obiettivo

Associations between caesarean section (CS) and childhood asthma may be mediated through microbial changes. In 700 children followed prospectively from birth, I recently showed that microbial perturbations after delivery by CS explain the delivery mode-associated risk of developing asthma in the first 6 years of life. CS was associated with more than a doubled risk of later asthma and allergic sensitization as well as immense compositional changes in the gut microbiota. An increased asthma risk was only found in children born by caesarean section, if their microbiome did not normalize by age 1 year, suggesting that a healthy microbial maturation can alleviate the child’s increased asthma risk.
Under the hypothesis that asthma risk from CS can be avoided by restoring the early gut microbiome, the proposed project will identify key environmental, dietary and host factors that help restoring a CS perturbed microbiome, map the compositional and functional potential of the CS microbial profiles, evaluate the role of the virome in the CS associations and perform co-cultures of key microbial consortia that may restore a healthy trajectory. Finally, I will perform murine experimental models to validate the findings and perform pilot studies on CS microbiota restoration by fecal microbiota transplantation (FMT) and fecal virome transplantation (FVT) in newborns.
This will be a truly translational research project, with the potential to go from clinical observations to mechanisms based on bioinformatics and microbiological laboratory work and experimental models and a pilot human trial to infer causal relationships with the perspective of developing a potential future intervention strategy.
If successful, this strategy will be groundbreaking for understanding the microbiome’s role in asthma development after CS and in the future potentially lead to novel prevention strategies and targeted, efficient microbiota manipulation in children with early microbial perturbations.

Campo scientifico (EuroSciVoc)

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Meccanismo di finanziamento

HORIZON-ERC - HORIZON ERC Grants

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(si apre in una nuova finestra) ERC-2023-COG

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Istituzione ospitante

REGION HOVEDSTADEN
Contributo netto dell'UE
€ 1 999 934,00
Indirizzo
KONGENS VAENGE 2
3400 Hillerod
Danimarca
Regione
Danmark Hovedstaden Københavns omegn
Tipo di attività
Public bodies (excluding Research Organisations and Secondary or Higher Education Establishments)
Collegamenti
Costo totale
€ 1 999 934,00

Beneficiari (1)