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New frontiers in advanced glycotherapy for cancer

Project description

Glycan neoantigens as new targets for cancer immunotherapy

Cancer immunotherapies include therapeutic cancer vaccines, cellular therapeutics and immune checkpoint blockade. The limited success of these therapies is mainly associated with the difficulties in identifying target antigens. Carbohydrate chains (glycans) are ubiquitously present on the surface of the cells. Cancer cells' antigenic aberrations are defined, in particular, by sialic acid structure modification, and the presentation mode and heterogeneity of glycans affect immune recognition. The primary objective of the EU-funded GlycoTherapy project is to design a comprehensive cancer immunotherapy approach targeting glycan neoantigens. The discovery strategy includes a modular platform to study engineered carbohydrate-based cancer vaccines and T cells combined with checkpoint blockade for therapeutic glycan immune recognition in mouse models.

Objective

Cancer remains a major cause of death despite phenomenal progress in current immunotherapy, that aims to boost host immune responses of antibodies and T cells, and their ability to distinguish cancer from normal cells. The three main cancer immunotherapies are therapeutic cancer vaccines, cellular therapeutics and immune checkpoint blockade, but those have only limited success mainly due to difficulties in identifying target antigens. Carbohydrate chains (glycans) ubiquitously occupy surface of cells, but on cancer they are aberrantly-expressed, in particular with a wide collection of sialic acid-glycans. Their antigenic complexity arise by sialic acid structure modification, linkages, length, protein/lipid scaffolds, surface organization and density. The presentation mode of glycans and their heterogeneity affect their immune recognition, but the fundamental knowledge of how these factors contribute to efficient cancer therapy in vivo has not been defined systematically. The primary objective of this proposal is to design a comprehensive novel cancer immunotherapy approach targeting glycan-neoantigens. We propose an innovative interdisciplinary approach that integrates glycobiology, immunology and nanotechnology, to design and fully investigate new frontiers in cancer GlycoTherapy in vivo. Our discovery line is based on a two-arms modular platform to study both engineered carbohydrate-cancer vaccines and T cells, and their combined effects with checkpoint blockade on therapeutic glycan immune recognition in mouse models. Efficacy will be evaluated in detail by systematic characterization of immune cell and humoral responses with cutting-edge tools, including glycan microarrays, to track response repertoire and kinetics. Successful establishment and in-depth understanding of these therapies will provide a platform to devise and validate potent novel glyco-cancer diagnostic tools and therapeutics, and will instigate their prospective clinical translation in humans

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

ERC-COG - Consolidator Grant

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Call for proposal

(opens in new window) ERC-2020-COG

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Host institution

TEL AVIV UNIVERSITY
Net EU contribution
€ 2 150 000,00
Total cost
€ 2 150 000,00

Beneficiaries (1)