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Development of Suprasensors and Assays for Molecular Diagnostics

Project description

Non-invasive disease diagnosis using artificial enzyme pockets to detect biomarkers

Metabolites are molecules produced by the body through normal processes that subserve healthy functioning. They include biomarkers of early disease processes, often changing before symptoms become apparent. Current synthetic sensing systems are challenged by selectivity and sensitivity limitations. The ERC-funded SupraSense project aims to overcome these with biomimetic artificial receptors that mimic enzyme pockets. Integrating molecular recognition, materials science and chemistry-informed deep learning, SupraSense will leverage highly tuneable hybrid zeolitic materials with binding cavities modulated by peptide-based cofactors. The ‘SupraSensors’ will support non-invasive multi-molecular diagnostics of urine, blood and saliva in point-of-care facilities and at home, revolutionising early detection of conditions from cardiovascular to ageing-associated diseases.

Objective

SupraSense combines completely new strategies to design and realize biomimetic artificial receptors for bioactive small molecules, i.e. metabolites, with the aim of overcoming long-standing selectivity and sensitivity limitations that hindered other synthetic sensory systems from reaching diagnostic applications. Sophisticated yet easy to fabricate “SupraSensors” will be developed based on unprecedented hybrid zeolitic materials whose binding cavities are modulated by peptide-based cofactors, thereby mimicking enzyme pockets. SupraSensors will be functional and directly applicable for molecular diagnostics in urine, saliva, and blood and will be of utility in point-of-care units and personal homes. Emphasis is given to the detection of metabolites that are important disease indicators.
I am an expert on “conventional” synthetic chemosensors and have studied both their merits and fundamental shortcomings. Out of this deep routed analysis, I developed the proposed ambitious strategy that marries principles of molecular recognition with materials science and chemistry-informed deep learning. These SupraSensors will advance the field through the following elements: i) high-energy water release from microporous materials ensures high binding affinity; ii) strategically placed peptide-based recognition elements provide selectivity while offering synthetic tunability; iii) information-rich signal output from SupraSensor libraries enables metabolite distinction in biofluids; iv) novel signal amplification concepts increase sensitivity. SupraSensor discovery will be fast and generalizable to many metabolite classes.
SupraSense has the potential to unleash supreme opportunities for multiparameter diagnostics, which will be essential for patient subgrouping based on metabolic phenotypes. The new concepts developed herein have the prospect to revolutionize early detection of emerging cardiovascular events, inflammations, sepsis, and other metabolic or aging-associated diseases.

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2022-COG

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Host institution

KARLSRUHER INSTITUT FUER TECHNOLOGIE
Net EU contribution
€ 1 994 069,00
Address
KAISERSTRASSE 12
76131 Karlsruhe
Germany
Region
Baden-Württemberg Karlsruhe Karlsruhe, Stadtkreis
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 994 069,00

Beneficiaries (1)