Project description
Bats may hold a secret to longer healthier lives via protein homeostasis
Proteostasis is the protein equivalent of homeostasis, precisely controlling the synthesis, folding, conformational maintenance and degradation of the entire proteome of a cell. Orchestrating this very large symphony does not rely on a single conductor but on a complex and adaptive proteostasis network. Dysfunction of this network can lead to increased levels of misfolded proteins or aggregation, which are linked to ageing and some neurodegenerative diseases. The EU-funded ComBATageing project is studying the potential role of intracellular proteostasis, particularly the role of autophagy, in the unusual longevity of bats. Autophagy is the proteolytic process by which cells remove potentially toxic protein aggregates and damaged organelles. Combined with phylogenomic studies of adaptive selection in proteostasis-associated genes in bats and other mammals, the outcomes could shed light on the role of proteostasis in normal ageing and disease.
Objective
Despite being one of the most familiar biological process affecting our lives, little is known about the molecular mechanics of ageing. A better understanding of ageing and related diseases is today crucial to face its deleterious effects on our growing older population. Among mammals bigger species typically live longer than smaller ones. When corrected for body size, almost all mammals have the same longevity quotients, exception made for the chiroptera. Bats are capable of living up to 10 times longer than expected despite their characteristic high metabolic rates. During my doctorate, I discovered the presence of a distinctive behaviour in bats' autophagic pathway, suggesting that these animals may rely on an improved system for intracellular proteostasis accounting for the flight-associated high metabolic stress. The same evolutive adaptation could ultimately have played a role in allowing bats to achieve exceptional longevity. Here I propose to carry out an in-depth analysis of the proteostatic system, and in particular of the autophagic pathway, in bats. Samples from wild populations of bats will be used to derive primary cell lines allowing to characterise bats’ intracellular phenotype and proteostatic activity. Thanks to the expert personnel and cutting-edge facilities of the hosting institute, I will exploit imaging and proteomics tools to isolate bat-specific molecular features of adaptation in proteostasis and unveil their role in determining their unique ageing pattern. A complementary phylogenomic analysis will be performed to detect traces of adaptive selection in proteostasis-associated genes in bats and other mammals. For the first time, the complexity of interactions behind proteostasis and ageing will be examined from a privileged, integrative perspective. This innovative project holds huge potential as it could lead to a greater understanding of the role of protein homeostasis in mammalian ageing contributing to dampen its effects on our society.
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 proteomics
- natural sciences biological sciences zoology mammalogy
- medical and health sciences basic medicine physiology homeostasis
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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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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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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.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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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) H2020-MSCA-IF-2019
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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.
20132 Milano
Italy
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