Project description
Study of leukaemia-associated nucleoporin fusion proteins
Nuclear pores enable the passive and facilitated transport of molecules across the nuclear envelope, and nucleoporins are the main components of the nuclear pore complexes in eukaryotic cells. Nup98 is a mobile nucleoporin that is present at the nuclear pore complex and within the nucleus. Nup98-HoxA9 (NHA9), a fusion between the phenylalanine–glycine-rich region of Nup98 and the homeobox transcription factor HoxA9, is one of the most frequent Nup98 fusions associated with acute myeloid leukaemia. The EU-funded TFNup project aims to develop a technological platform combining chemical biology, microfluidics and high-resolution molecular imaging to study the structure and function of NHA9 in vitro and in the cells in order to define a new pathway role in gene dysregulation.
Objective
Nup98 is a mobile nucleoporin that localizes both at the nuclear pore complex and within the nucleus. Nup98 is frequently rearranged to form leukemogenic Nup98-fusion proteins with various partners. Nup98-HoxA9 (NHA9), a fusion between phenylalanine-glycine-rich (FG-rich) region of Nup98 and the homeobox transcription factor (TF) HoxA9, is one of the most frequent Nup98-fusion associated with acute myeloid leukemia. The physiological role of NHA9 in hematopoietic development has been gradually established in the past decade at the cellular level. However, the plasticity and the phase separation behavior of such intrinsically disordered proteins (IDPs) largely hinder our understanding of their functions in gene regulation at the molecular level. In this project, I will develop platform technologies that combine chemical biology, microfluidics, and high-resolved molecular imaging to study the structure and biophysical function of NHA9 in vitro and in cells, and open up a new pathway to unravel its role in gene dysregulation from molecular perspective. Firstly, I will dual-label NHA9 at specific sites using the cutting-edge genetic code expansion technology developed by the host laboratory, and characterize the plasticity of NHA9 in live cells using Fluorescence lifetime imaging (FLIM) based Förster resonance energy transfer (FRET) platform. Next, I will use my strengths in microfluidics to design a new platform for tracking the phase separation behaviors of NHA9 with high temporal resolution in vitro. Finally, I will fuse NHA9 with proximity-dependent biotin identification (BioID) tags, and visualize the dynamic interaction networks of NHA9 using super-resolution microscopy (SRM) in live cells. By integrating those interdisciplinary approaches, the proposed research would make a conceptual breakthrough in understanding the molecular mechanism of NHA9-driven leukemogenesis and may provide a rationale for the search of potential therapeutic approaches in the future.
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.
- natural sciences physical sciences classical mechanics fluid mechanics microfluidics
- natural sciences physical sciences optics microscopy super resolution microscopy
- natural sciences biological sciences biochemistry biomolecules proteins
- natural sciences physical sciences optics microscopy fluorescence lifetime imaging
- medical and health sciences clinical medicine oncology leukemia
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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)
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-2019
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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.
55122 MAINZ
Germany
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.