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FoundaMet: A Foundational Model for Metabolomics

Obiettivo

Untargeted metabolomics is central to biology and medicine, yet a large fraction of mass-spectrometric (MS) experimental signals remains unannotated. Current identification hinges on comparing experimental properties—retention time (RT) or migration time (MT), collision cross-section (CCS), and fragmentation spectra (MS/MS)—with reference libraries. These libraries are incomplete, costly to expand, and often instrument- and method-specific. Machine learning can mitigate this gap by predicting such properties directly from the compounds chemical structure, thereby enabling identification beyond existing libraries. However, existing models frequently generalise poorly across datasets and laboratories because available training sets are too small to support robust, transferable deep learning.

This project will develop FoundaMet, a foundation model for metabolomics that enables reliable knowledge transfer for molecular-property prediction. FoundaMet will learn chemical structure–aware embeddings from molecular graphs via large-scale self-supervised pre-training to capture local bonding patterns and long-range substructures, followed by supervised multi-task learning that simultaneously predicts multiple molecular properties. The resulting model will provide general reasoning capabilities over metabolites, improving cross-instrument and cross-laboratory generalisation and achieving higher accuracy on task-specific predictions even when only small annotated datasets are available.

On top of the pre-trained backbone, we will build task-specific heads for predicting RT, MT, CCS, fragmentation spectra (MS/MS), and adduct formation. This functionality will be integrated into the CEU Mass Mediator metabolite-annotation platform to facilitate immediate uptake by the metabolomics community.

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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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Invito a presentare proposte

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

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Coordinatore

FUNDACION UNIVERSITARIA SAN PABLO-CEU
Contributo netto dell'UE
€ 194 074,56
Indirizzo
C ISAAC PERAL 58
28040 Madrid
Spagna
Regione
Comunidad de Madrid Comunidad de Madrid Madrid
Tipo di attività
Higher or Secondary Education Establishments
Collegamenti
Costo totale
Nessun dato