Project description
Understanding leukaemia’s interaction with its micro-environment
Acute myeloid leukaemia (AML), a cancer of the blood and bone marrow, is the most common type of acute leukaemia in adults. Failure to eradicate leukaemia stem cells (LSCs), with their limitless self-renewal, results in relapse. Recent studies suggest bone marrow stromal and immune cells play a significant role in AML. Building on data suggesting that AML’s remodelling of its microenvironment (niche) favours its survival and represses healthy blood cell formation, the EU funded epiNicheAML project will take a new approach. Investigating the interplay among LSC intrinsic, stromal niche and immune-mediated mechanisms rather than studying each individually could point to new therapies focused on restoring a healthy niche for healthy immunity rather than eradicating all LSCs.
Objective
The bone marrow is one of the most dynamic adult stem cell niches containing hematopoietic stem cells and non-hematopoietic mesenchymal stem and stromal cells, which make up the bone marrow niche. The niche regulates the immune system and constitutes a major determinant of chemoresistance in hematological malignancies, including acute myeloid leukemia (AML). Identifying the mechanisms by which AML interacts with its niche will open novel therapeutic avenues.
AML is driven and maintained by leukemic stem cells (LSCs), and failure to eradicate them will result in relapsing of the disease. Yet, despite decades of research on LSCs, none of the therapies aiming at eradicating them reached clinical practice. Recent studies suggest an important role for bone marrow stromal and immune cells in driving AML. Together with our preliminary data, that show LSCs-induced upregulation of metastasis-related genes in stromal cells, this leads to the hypothesis that AML remodels its niche in ways that favours its survival and represses healthy hematopoiesis.
Most studies in AML focus on LSC-intrinsic, stromal niche, or immune mediated mechanisms separately. Thus, we currently lack a comprehensive view of the complexity of the human bone marrow and its interaction with AML. To close these gaps, we propose an ambitious experimental design including multi-modal single cell sequencing of an AML cohort followed by innovative computational approaches integrating these data into predictive cell-type specific models - to generate mechanistic hypotheses about AML-niche interactions that we then test using patient-derived xenograft and in vitro culture models. Our ambitious project will provide fundamental insights into stem cell-niche interactions and may lead to a paradigm-shift in treating hematological malignancies - away from eradicating malignant cells towards reconstituting a healthy niche that generates a healthy immune environment.
Fields of science (EuroSciVoc)
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CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: https://op.europa.eu/en/web/eu-vocabularies/euroscivoc.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
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.1.1 - European Research Council (ERC)
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(opens in new window) ERC-2021-COG
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69117 Heidelberg
Germany
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