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Brain health in Atherosclerosis and Cardiovascular risk in mid-life, a PESA-Brain project

Project description

Linking heart health to Alzheimer’s risk

There is mounting evidence that heart-healthy practices may also protect the brain. Supported by the Marie Skłodowska-Curie Actions programme, the BrainAtCardio project aims to investigate how early cardiovascular alterations may predispose people to Alzheimer’s disease. Researchers examine the effects of mild symptoms of atherosclerosis and other heart risk factors on brain structure, blood flow, and memory in middle-aged adults who do not exhibit any symptoms. The project will determine how heart health affects the earliest signs of neurodegeneration and why men and women may be affected differently, using cutting-edge brain imaging, blood biomarkers, and cognitive tests.

Objective

This project aims to investigate the early associations between cardiovascular health and Alzheimer’s disease (AD) pathology, with a focus on subclinical atherosclerosis (SCAth) and cardiovascular risk factors (CVRFs), in a large cohort of asymptomatic, middle-aged individuals. The overarching objective is to determine how cardiovascular health in subclinical stages influences both cerebrovascular integrity and early AD biomarkers, and to examine how these factors contribute to cognitive decline, with particular emphasis on sex-specific differences.

The proposed research leverages data from the PESA-Brain study, a deeply phenotyped cohort integrating advanced neuroimaging and cognitive testing, with longitudinal cardiovascular and blood-based biomarkers assessments. We will first test the relationships between cardiovascular health markers and cerebrovascular health, focusing on brain perfusion, microstructure, and microinfarcts. We will then explore the links between cardiovascular health and AD pathology, using plasma and brain amyloid and tau biomarkers, as well as cognitive outcomes, including memory and executive function.

The project will employ advanced statistical approaches, such as linear mixed models and mediation analysis, to handle the complexity of multimodal data and examine causal relationships between cardiovascular health, brain pathology, and cognition. By including sex-stratified analyses, the research will provide critical insights into gender-specific susceptibilities, which have been underexplored in previous studies.

The relevance of this project to the work programme lies in its potential to shift the focus of AD prevention to midlife, offering novel insights into the neurobiological pathways that link cardiovascular dysfunction and neurodegeneration. These findings could pave the way for earlier interventions targeting modifiable CVRFs, significantly reducing the incidence and societal burden of dementia in aging populations.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

CENTRO NACIONAL DE INVESTIGACIONES CARDIOVASCULARES CARLOS III (F.S.P.)
Net EU contribution
€ 194 074,56
Address
CALLE MELCHOR FERNANDEZ ALMAGRO 3
28029 Madrid
Spain
Region
Comunidad de Madrid Comunidad de Madrid Madrid
Activity type
Research Organisations
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Total cost
No data