Project description
A novel way to improve gene delivery
Gene therapy and gene editing necessitate the delivery of nucleic acids into cells. However, there are various cellular bottlenecks that hamper the effectiveness of delivery. These include endosomal sequestration, poor nuclear translocation and, most importantly, retention of introduced nucleic acids in membrane cages following recognition by the barrier-to-autointegration factor (BAF) protein. Scientists of the EU-funded IBAF project will address this issue and increase the cytosolic availability and mobility of transfected DNA through the transient suppression of the BAF. The project's findings will advance our understanding of this unexplored DNA retention mechanism, and provide transfection enhancers that can boost already-existing gene delivery platforms.
Objective
Safe and efficient delivery of nucleic acids to tissues and cells is a shared challenge in the clinical translation of gene therapy and gene editing. At the intracellular level, DNA delivery is hindered by endo/lysosomal sequestration, inefficient transport into the nucleus and a retention mechanism mediated by the barrier-to-autointegration factor (BAF) protein that detects, clusters and locks away intruding double-stranded DNA in membrane cages. The first two of these intracellular obstacles are well-known bottlenecks and are being addressed by many laboratories. However, preliminary in vitro data suggest the detrimental impact of BAF’s mechanism on transgene expression is underestimated. We hypothesize that transiently suppressing BAF or one of its regulating factors will increase the cytosolic availability and mobility of transfected DNA, facilitating its transport to the nucleus and ultimately boosting transfection efficiency. We will tackle this rather uninvestigated mechanism through two parallel strategies: i) identifying novel small-molecule inhibitors of BAF or its regulators via high-throughput screening of chemical libraries, and ii) producing a recombinant kinase that phosphorylates BAF in situ and thus supresses its DNA-clustering function. The BAF suppressors will be co-delivered to cells with rationally-designed nucleoprotein nanoparticles consisting of a reporter plasmid and a dual-function fusion protein to facilitate endocytosis and endosomal escape. The combined transfection-enhancing effect of the BAF suppressors and the nanoparticles will be extensively characterized in vitro, and in vivo proof-of-concept will be obtained in mice. Besides expanding our fundamental knowledge on this unexplored DNA retention mechanism, the project will provide powerful transfection enhancers that can boost already-existing gene delivery platforms (viral and non-viral), so that these can reach their full potential for gene therapy and gene-editing applications.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences genetics DNA
- natural sciences biological sciences biochemistry biomolecules proteins
- engineering and technology nanotechnology nano-materials
You need to log in or register to use this function
We are sorry... an unexpected error occurred during execution.
You need to be authenticated. Your session might have expired.
Thank you for your feedback. You will soon receive an email to confirm the submission. If you have selected to be notified about the reporting status, you will also be contacted when the reporting status will change.
Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
-
H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
MAIN PROGRAMME
See all projects funded under this programme
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
ERC-ADG - Advanced Grant
See all projects funded under this funding scheme
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2019-ADG
See all projects funded under this callHost institution
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
8092 Zuerich
Switzerland
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.