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Understanding Diagnosing and Early intervention in the Myeloid malignancy Continuum

Descrizione del progetto

Diagnosi precoce e trattamento delle neoplasie mieloidi

Con l’avanzare dell’età, le cellule staminali del nostro corpo che producono sangue, note come cellule staminali e progenitrici ematopoietiche (HSPC), accumulano mutazioni che possono portare a gravi problemi di salute. Queste mutazioni, chiamate mutazioni pre-leucemiche (pLM), pongono le basi per l’emopoiesi clonale (CH) e aumentano il rischio di sviluppare neoplasie mieloidi, come la leucemia. Nonostante la chiara connessione tra CH e cancro, prevedere chi svilupperà queste malattie rimane una sfida. Gli strumenti attuali sono limitati nella diagnosi precoce di queste condizioni. Il progetto UDEMC, finanziato dal CER, intende sviluppare una diagnostica all’avanguardia, comprendere l’impatto molecolare delle pLM e identificare terapie in grado di colpire le preL-HSPC. Grazie a questi sforzi, il progetto spera di trasformare il modo in cui i tumori maligni mieloidi vengono individuati e trattati.

Obiettivo

As humans age, Hematopoietic Stem and Progenitor Cells (HSPCs) accumulate preleukemic mutations (pLMs), forming preleukemic HSPCs (preL-HSPCs) and leading to clonal hematopoiesis (CH). While the link between CH and myeloid malignancies is established, predicting progression remains elusive. The Shlush lab aims to enhance myeloid malignancies outcomes through early diagnosis and treatment. Still, it faces three gaps: 1) lacking advanced tools for diagnosis/risk stratification beyond mutations, 2) insufficient understanding of pLMs functional consequences, and 3) absence of targeted therapies against pLMs.
To address these challenges, our proposed specific aims are as follows:
Aim 1: Develop a novel diagnostic tool for myeloid leukemia using single-cell RNA sequencing (scRNAseq) of peripheral blood HSPCs from 1300 patients and replace bone marrow (BM) analysis in the future. Such a cohort will allow the discovery of novel mechanisms in leukemia and improved diagnostics.
Aim 2: Create an in vitro assay to explore molecular and functional consequences of human pLMs at the single-cell level, considering self-renewal and changing microenvironments.
Aim 3: Identify drugs targeting human preleukemic HSPCs through a high-throughput drug screen of human preL-HSPCs. This novel approach aims to pave the way for targeted early interventions.
To make these goals feasible the Shlush lab made three major steps forward: 1) created the first reference map of peripheral blood (PB) HSPCs from 150 healthy individuals. 2) developed a dynamics bone marrow in a dish allowing the study of human preL-HSPCs. 3) developed the apoptosis score for detecting apoptosis in a small number of preL-HSPCs.

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-2024-COG

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Istituzione ospitante

WEIZMANN INSTITUTE OF SCIENCE
Contributo netto dell'UE
€ 2 000 000,00
Costo totale
€ 2 000 000,00

Beneficiari (1)