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MIRO interaction mapping for neuronal mitochondrial dynamics

Project description

Mitochondrial regulation in neurodegeneration

Mitochondria are the energy-producing organelles of the cell and play a key role in neuronal health. Their dysfunction is increasingly recognised as a central driver of neurodegenerative diseases, including Parkinson’s and Alzheimer’s disease. A family of proteins called MIROs, located on the outer mitochondrial membrane, are emerging as key regulators of mitochondrial function. However, it remains poorly understood how they coordinate their diverse interactions. With the support of the Marie Skłodowska-Curie Actions programme, the MiroMap project aims to delineate the network of MIRO interactions in neurons. By revealing how MIROs respond to neuronal activity and disease-related stimuli, the project will provide fundamental insights into mitochondrial regulation and identify potential therapeutic targets for neurodegenerative diseases.

Objective

MiroMap is a highly interdisciplinary project designed to investigate how MIRO proteins regulate mitochondrial dynamics in neurons. Mitochondria are essential for brain health, and their dysfunction is increasingly recognised as a central feature of numerous neurological disorders, including Parkinson’s disease (PD), ALS, and Alzheimer’s. The outer mitochondrial membrane MIROs are emerging as key regulators of mitochondrial homeostasis, being implicated in an ever-growing list of mitochondrial processes. Accordingly, this proposal hypothesises that MIROs act as mitochondrial adaptors that sense changes in the cellular environment and selectively engage with molecular machinery to maintain neuronal health. Despite their importance, the mechanisms by which MIROs coordinate their spectrum of interactions and functions remains unclear.
To address this knowledge gap, MiroMap will: 1) define the MIRO interactome in neurons using in situ crosslinking and mass spectrometry, 2) identify factors that influence MIRO binding including neuronal activity and PD pathology, and 3) investigate how MIROs contribute to mitochondrial dynamics using spatial proteomics. To achieve these research objectives, MiroMap integrates cutting-edge techniques such as genetic code expansion and spatial proteomics with live-cell imaging and neuronal models. By uncovering how MIROs dynamically coordinate mitochondrial function in response to synaptic activity and pathological stimuli, MiroMap will generate foundational insight into the molecular mechanisms that underpin neuronal health and disease, with the potential to inform future therapeutic strategies targeting mitochondrial dysfunction in neurodegeneration. This fellowship will be hosted at UCL under the supervision of Prof. Josef Kittler, a leading expert in mitochondrial neurobiology. This environment provides the ideal platform to expand my expertise into neuroscience and develop the skills required to lead an independent research group.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSITY COLLEGE LONDON
Net EU contribution
€ 260 347,92
Address
GOWER STREET
WC1E 6BT London
United Kingdom
Region
London Inner London — West Camden and City of London
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data