Project description
Innovative approach using circular RNA to cure muscular dystrophy
RNA therapeutics are a new weapon against various diseases, including genetic disorders, cancer, inflammation and viral infections. However, the relatively short lifetime of the RNA represents an obstacle to applications in protein replacement therapy. Circular RNA (circRNA) is a closed-loop single-stranded RNA that is more stable than linear RNA. Moreover, lipid nanoparticles (LNPs) are the best candidates for RNA delivery, able to contain large RNA payloads. Duchenne muscular dystrophy (DMD) is associated with recessive mutation and the dysfunctional dystrophin protein. The EU-funded circRNA4DMD project proposes an innovative approach to deliver circRNA-loaded LNPs to muscle cells. The aim is to promote long-term expression of the dystrophin protein, replacing the defective protein in the DMD mouse model.
Objective
RNA therapeutics is an emerging field explored in various types of diseases such as genetic disorders, cancer, inflammation and viral infections. Currently, most of the research focuses on the delivery of mRNA molecules that will transiently express a desired protein that can replace a defective protein or manipulate gene expression in the cells. My lab was the first to show systemic, cell-specific delivery of mRNA molecules in animals. Our approach and our novel amino lipids were translated to several clinical trials in the field of infectious and monogenic diseases.
In protein replacement therapy, the main hurdle of using mRNA is the relative short half life of the mRNA. To address this, I suggest an approach for long-term expression: Circular RNA (circRNA), a covalently closed loop single stranded RNA that has a significant prolonged stability compared to linear mRNA. Thus, presents an immense advantage in protein replacement therapy.
Duchenne muscular dystrophy (DMD) is caused by X-linked recessive mutation in dystrophin gene, leading to lack of functional dystrophin protein. This disease affects 1:5,000 males, causes a progressive loss of muscle tissues, ultimately leading to disability and premature death. Because DMD pathology is caused by the lack of functional dystrophin, restoring the function of dystrophin is a potential therapeutic strategy.
As Lipid nanoparticles (LNPs) are the most clinically advanced candidate for RNA delivery, able to entrap large RNA payloads, herein I propose an innovative multidisciplinary approach for the specific delivery of circRNA-LNPs to muscle cells that will express the dystrophin protein and replace the defective one in a DMD mouse model.
The long-term expression of the circRNA will offer new hope for the treatment of monogenetic diseases such as DMD. This approach may ultimately become a novel therapeutic modality for DMD and open new avenues for implementing circRNAs for other types of genetic disorders and vaccines
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 biochemistry biomolecules proteins
- medical and health sciences basic medicine pharmacology and pharmacy pharmaceutical drugs vaccines
- medical and health sciences clinical medicine oncology
- medical and health sciences basic medicine pathology
- natural sciences biological sciences genetics RNA
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Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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HORIZON.1.1 - European Research Council (ERC)
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(opens in new window) ERC-2021-ADG
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69978 Tel Aviv
Israel
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