Project description
Revealing the mechanisms of DRP1 in mitochondrial fission during apoptosis
Mitochondria, the powerhouses of our cells, must divide and fuse in a balanced process to keep cells healthy. When this balance is disrupted, diseases such as cancer or neurodegeneration can occur. During cell death, an essential process for life, mitochondrial division (fission) is elevated and the key fission protein DRP1 interacts with the cell death proteins BAX and BAK. But exactly how this happens at the molecular scale remains unclear. Supported by the Marie Skłodowska-Curie Actions program, the SuperCut project will use advanced super-resolution microscopy to study DRP1 during mitochondrial fission in dying cells. Single-molecule localisation microscopy will reveal its nanostructure, while MINFLUX tracking will capture its dynamic behaviour. Understanding these processes could guide new therapies targeting dysfunctional mitochondrial fission.
Objective
Illnesses such as neurodegenerative diseases and cancer represent significant public health challenges due to their increasing prevalence, mortality rates, and societal impact. Mitochondrial dysfunction, specifically the dysregulation of mitochondrial fission, is implicated in these diseases.
Together with mitochondrial fusion, the mitochondrial fission process, or the division of mitochondria, is essential for maintaining cellular health. The effector protein of mitochondrial fission is the dynamin-related protein 1 (DRP1). During cell death, mitochondrial fission is elevated and DRP1 interacts with the key apoptotic proteins BAX and BAK. However, the precise role, regulation, and positioning of DRP1 in mitochondrial fission, especially with regards to BAX and BAK during apoptosis remain unclear.
The project SuperCut will unravel the molecular architecture of DRP1 as well as its motion pattern during mitochondrial fission in the context of apoptosis by using advanced super-resolution microscopy techniques. Single-molecule localization microscopy (SMLM) will enable the visualization of the spatial organization of DRP1 and its relation to apoptotic pore formed by BAX and BAK. MINFLUX tracking will provide insights into the spatial dynamics of DRP1 and its adaptors in healthy cells and their interaction with BAX and BAK in apoptotic cells. By elucidating these mechanisms, the project will open new avenues for innovative therapeutic strategies targeting dysfunctional mitochondrial fission.
The research for SuperCut will be conducted by me, Dr. Sarah Schweighofer at the Max Perutz Laboratories under the supervision of Prof. Jonas Ries, leveraging cutting-edge microscopy techniques to push the boundaries of our understanding of mitochondrial dynamics in health and disease. This deepening of my super-resolution microscopy expertise will enable me to become an independent multidisciplinary scientist with high impact in the life sciences.
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.
This project's classification has been human-validated.
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.
This project's classification has been human-validated.
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.1.2 - Marie Skłodowska-Curie Actions (MSCA)
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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.
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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.
HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships
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Call for proposal
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(opens in new window) HORIZON-MSCA-2024-PF-01
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1010 Wien
Austria
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