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Validation of a novel device for real-time, long-term measurement of cellular forces

Project description

Revolutionising cell mechanics with advanced imaging

Cells are known to communicate through biochemical signalling, but research has uncovered the crucial role mechanical forces play in development, physiology, and disease. Biological cells exert forces on their environment, influencing key processes such as tissue formation, wound healing, and cancer cell invasion. Understanding these forces is vital. However, existing imaging techniques fall short in capturing these forces with the necessary sensitivity and resolution. In this context, the ERC-funded CELL-FORCE project introduces Elastic Resonator Interference Stress Microscopy (ERISM) for directly and non-destructively imaging cellular forces. It enables precise measurement of even weak forces and allows for long-term, photodamage-free imaging of cell dynamics. This has the potential to revolutionise cell biomechanics research, drug development, and diagnostics.

Objective

The conventional thinking in cell biology, which often assumes that cells communicate mostly via bio-chemical signalling, has recently been challenged with several examples where mechanical rather than chemical cues play an important role in development, physiology and disease. Biological cells continually exert forces on their environment, which can vary substantially in magnitude, spatial distribution and temporal evolution. These forces are key to many processes including cell growth, tissue formation, wound healing and the invasion of cancer cells into healthy tissue. Understanding how cellular forces affect the micro-environment hinges on our ability to image them with sufficient local and temporal resolution (e.g. continuously over several days with subcellular spatial resolution), adequate field of view (e.g. to study cell sheets) and relevant sensitivity (typical forces are in the pico to nano Newton range). Despite significant advances made in this area of functional bioimaging over the last years, existing methods still struggle to meet the requirements, thus precluding new commercial opportunities in cell biomechanics. CELL-FORCE will demonstrate Elastic Resonator Interference Stress Microscopy (ERISM) as a new microscopy method that allows direct, robust and non-destructive imaging of forces associated with various mechanical cell-substrate interactions, and validate its commercial feasibility. The greatly increased sensitivity offered by ERISM over other methods allows for accurate measurements of vertical forces and of cells exerting only weak force. Moreover, with a low light intensity requirement and no need to detach cells after a measurement, using ERISM makes it possible to take long-term measurements of multiple cells without photodamage and facilitates downstream applications such as immunostaining. This will open up new commercial opportunities in fundamental research, drug development and (long-term) in diagnostics.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC-POC - HORIZON ERC Proof of Concept Grants

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Call for proposal

(opens in new window) ERC-2022-POC2

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Host institution

UNIVERSITAT ZU KOLN
Net EU contribution
€ 150 000,00
Address
ALBERTUS MAGNUS PLATZ
50931 Koln
Germany
Region
Nordrhein-Westfalen Köln Köln, Kreisfreie Stadt
Activity type
Higher or Secondary Education Establishments
Links
Total cost
No data

Beneficiaries (1)