Project description
Novel epigenetic targets in breast cancer
One of the hallmarks of cancer is heterogeneity, the presence of subpopulations of cells with distinct morphological, phenotypic and genotypic profiles. Although this affects the efficacy of anti-cancer therapeutics, the underlying aetiology is poorly defined. The EU-funded EPICAN project focuses on the phosphoinositide 3-kinase (PI3K) pathway, a signal transduction system implicated in many essential cell functions as well as in oncogenesis. The working hypothesis is that PI3K oncogenic mutations reactivate multipotency in mammary cells, leading to tumour plasticity and heterogeneity. Identification of epigenetic regulators that function downstream of the PI3K pathway has the potential to lead to new therapeutic targets.
Objective
Breast cancer is a heterogeneous disease which is classified into different histological and molecular subgroups presenting different clinical outcomes. Also, the diversity of genetic/epigenetic alterations in cancer cells and their interactions with the microenvironment enhance cell plasticity and result in intra-tumor heterogeneity. While tumor heterogeneity is a major hurdle to anti-cancer therapy, its underlying molecular mechanisms remain ill-defined. The Phosphoinositide 3-kinase (PI3K) pathway, which is hyperactive in more than 70% of breast cancers mostly due to oncogenic activating mutations (PIK3CA-E545K & PIK3CA-H1047R), is a major driver of cell transformation. Using spatio-temporal conditional expression of the mutant PIK3CAH1047R combined with in situ lineage tracing in transgenic mice, recent studies demonstrated that the PIK3CA-H1047R oncogene reprograms lineage-committed mammary epithelial progenitors into a multipotent state, giving rise to heterogeneous mammary tumors. However, the mechanisms by which the PIK3CA-H1047R oncogene reactivates multipotency in breast cancer remain unknown. An increasing number of studies demonstrates that epigenetic regulators participate downstream of PI3K/AKT kinases to regulate the epigenome and contribute to tumor malignancy. Given the importance of epigenetic regulation for cell fate, I hypothesize that the effects of PIK3CA-H1047R signaling on tumor cell plasticity are mediated by epigenetic regulators. Because single inhibition of the PI3K pathway often results in resistance, it is of paramount interest to identify new targets whose inhibition can synergize with PI3K inhibitors to block tumor outgrowth, reduce tumor heterogeneity and prevent resistance. The overarching goal of this proposal is to identify epigenetic regulators downstream of oncogenic activation of the PI3K pathway leading to tumor cell plasticity, and to validate them as new targets in breast cancer.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- medical and health sciences clinical medicine oncology breast cancer
- natural sciences biological sciences genetics mutation
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2018
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
4051 Basel
Switzerland
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.