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Piezoceutical biomaterial scaffolds for immunomodulatory-based myocardial repair

Project description

A patch for immune modulation and myocardial regeneration

Myocardial infarction kills part of the heart muscle, leaving behind scar tissue that cannot sustain effective cardiac function. The damage is permanent, often leading to heart failure and placing a heavy strain on healthcare systems. Current cardiac patches fail to reduce inflammation or restore effective pumping function. The ERC-funded PiezoMac project aims to develop a patch that harnesses optimised piezoelectric capabilities to generate electric fields from the heart’s stretching, promoting immune modulation and cardiac muscle regeneration. The project will use advanced 3D printing techniques, specifically melt electrowriting, to produce precise microfibrous patches informed by in silico modelling of piezoelectric generation. It will identify suitable mesh designs that align with the heart's anisotropy through finite element analysis and refine them via Bayesian optimisation

Objective

Cardiac injury in the form of a myocardial infarction leads to cardiac muscle death and replacement scar tissue that cannot compensate lost heart tissue. This disease does not improve with traditional drugs and places significant burden on healthcare budgets worldwide; with a reduced quality of life for patients, often leading to heart failure. Current engineered cardiac patches do not reduce inflammation and do not integrate in a sufficient manner to compensate the pumping power lost with the heart tissue.
The PiezoMac patch differs fundamentally from patches reported up to now. It will contain an optimised piezoelectric capability that will yield electric fields generated by the stretching of the heart. This electric field stimulation will be optimised to drive immunomodulate and regeneration of the cardiac muscle. The shape of the patch is predesigned using finite element modelling to conform the directional dependent stretching of the heart wall; with information of patient anatomy and extent of heart attack damage derived from X-ray CT and MRI scans. These smart patches will be 3D printed (using melt electrowriting) into accurate microfibrous ordered patches whose density, micro-orientation and fibre laydown will be informed using in silico modelling of piezoelectric generation and mechanical anisotropy. We will shortlist candidate mesh designs to match the anisotropy of the heart using finite element analysis, and refine the design process using a Bayesian Optimisation approach to strike a balance between mechanical anisotropy and piezoelectric output, and ultimately halt cardiac deterioration. This pragmatic and rational approach gathers and advances cutting-edge technologies in this interdisciplinary project to address a significant unmet need in healthcare today.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

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Call for proposal

(opens in new window) ERC-2023-COG

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Host institution

THE PROVOST, FELLOWS, FOUNDATION SCHOLARS & THE OTHER MEMBERS OF BOARD, OF THE COLLEGE OF THE HOLY & UNDIVIDED TRINITY OF QUEEN ELIZABETH NEAR DUBLIN
Net EU contribution
€ 2 579 608,00
Address
COLLEGE GREEN TRINITY COLLEGE
D02 CX56 Dublin
Ireland
Region
Ireland Eastern and Midland Dublin
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 2 579 608,00

Beneficiaries (1)