Project description
Mechanistic insight into loss of chromosome Y
Loss of chromosome Y (LOY) in some blood cells of male individuals was long considered to be a natural consequence of ageing. However, recent epidemiological evidence shows an increased risk of all-cause mortality and disease, such as cancer and cardiovascular disease. The EU-funded HEARTLY project is interested to understand how LOY negatively impacts the function of immune cells and causes disease. Researchers will develop novel detection methods and set up a screening strategy that aims for earlier diagnosis and treatment. Perspective analysis of a large cohort of individuals with LOY is expected to identify novel targets for treatment.
Objective
Men live shorter and are more susceptible to several common diseases at younger ages compared with women, but the reason(s) why are not well understood. Loss of chromosome Y (LOY) is a male specific mutation that could help explain this sex bias. Men with LOY carry a fraction of blood cells without the Y chromosome, due to its loss from progenitor cells during life time. The incidence of LOY increases with age and can be detected in blood among 40% of 70 year old men. My recent results show that LOY in blood is strongly associated with increased risk for all-cause mortality and disease such as cancer and Alzheimer’s disease, and possibly cardiovascular disease.
The causal link(s) behind reproducible associations between LOY in blood and disease are yet to be discovered. My proposal aims for comprehensive understanding of the cellular changes induced by LOY in immune cells and delineation of associated disease mechanisms that could explain why men with LOY in the immune cells of blood have a higher risk for disease in other organs. To this end, several complementary studies are conceived in three synergistic objectives: 1) functional consequences of LOY in immune cells; 2) epidemiological studies of 570.000 subjects with focus on LOY and risk for cardiovascular disease; and 3) development of new tools for LOY-detection.
My long-term goal is increased survival of men by utilization of LOY-based clinical applications. For example, men with LOY in blood have on average a higher risk for lethal disease compared with unaffected men. Hence, screening men with LOY for early symptoms of disease could result in earlier diagnoses and treatment using existing health care options. Furthermore, understanding of detrimental effects from LOY on immune system functions could be a key to improved success rates in immunotherapy as well as for identification of new drug targets. Taken together, the project will benefit patients, health care systems and societies at large.
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.
- medical and health sciences basic medicine neurology dementia alzheimer
- natural sciences biological sciences genetics mutation
- medical and health sciences clinical medicine oncology
- medical and health sciences basic medicine immunology immunotherapy
- natural sciences biological sciences genetics chromosomes
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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)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
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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.
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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-COG - Consolidator Grant
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Call for proposal
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(opens in new window) ERC-2020-COG
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751 05 Uppsala
Sweden
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