Project description
Total synthesis of asperterpenoid could point to novel treatments for tuberculosis
According to the World Health Organization, 1.5 million people die every year from tuberculosis, a preventable and curable disease. Multi-drug resistant strains of Mycobacterium tuberculosis, the pathogen causing tuberculosis, are on the rise. Asperterpenoid has a unique and highly carbon skeleton that strongly inhibits a protein secreted by M. tuberculosis that aids human host infection. Its total synthesis has been elusive but knowing more about it is necessary to better understand asperterpenoid’s properties and synthesise natural products with similar antitubercular properties. With the support of the Marie Skłodowska-Curie Actions programme, the Asperterpenoid project aims to accomplish all these goals, synthesising asperterpenoid from bio-renewable sitolactone using a key intermolecular reductive titanium-mediated Giese addition reaction.
Objective
The rise of multi-drug resistant strains of Mycobacterium tuberculosis, the pathogen responsible for the infectious disease tuberculosis, calls for research into novel antitubercular scaffolds and targets. Asperterpenoid is a rare sesterterpenoid with a unique and highly complex 5/7(3)/6/5 ring-fused carbon skeleton that strongly inhibits tyrosine phosphatase B, a virulence factor protein secreted by M. tuberculosis that aids human host infection. To date, total synthesis of asperterpenoid has not been accomplished. We propose a modular synthesis of asperterpenoid from biorenewable sitolactone using a key intermolecular reductive titanium mediated Giese addition reaction. The scope of this privileged reaction will be expanded by investigating selected epoxide substrates and Michael acceptors. We anticipate that the synthetic strategy to asperterpenoid can be extrapolated to prepare variecolin, a structurally related sesterterpenoid that has been subject of several studies but never reached by chemical synthesis. Based on its structural similarity to asperterpenoid, we expect that variecolin will also exhibit antitubercular activity. We plan to study the known antitubercular activity of asperterpenoid by structural diversification and its mechanism of action by a chemical biology tools such as molecular imaging. We also plan to test variecolin for antitubercular activity. The action is expected to contribute to new synthetic tools and strategies to prepare rare sesterterpenoid natural products, a better understanding of the promising antitubercular properties of asperterpenoid, and to demonstrate that variecolin exhibits similar bioactive behaviour.
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 chemical sciences inorganic chemistry transition metals
- natural sciences biological sciences biochemistry biomolecules proteins
- medical and health sciences health sciences infectious diseases RNA viruses HIV
- medical and health sciences clinical medicine pneumology tuberculosis
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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.
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HORIZON.1.2 - Marie Skłodowska-Curie Actions (MSCA)
MAIN PROGRAMME
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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.
HORIZON-TMA-MSCA-PF-GF - HORIZON TMA MSCA Postdoctoral Fellowships - Global Fellowships
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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) HORIZON-MSCA-2023-PF-01
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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.
8000 Aarhus C
Denmark
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.