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immuno-ALZ

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Modulating immune responses to mitigate neuroinflammation, bioenergetic decrease...

Modulating immune responses to mitigate neuroinflammation, bioenergetic decrease and cognitive decline in Alzheimer’s disease Background and rationale: Alzheimer's disease (AD) is the main cause of dementia, with substantial socio-economic burdens. Due to the absence of a cure, understanding disease mechanisms and developing new therapies is crucial. Age... ver más

29/02/2028

uni.lu

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UNIVERSITE DU LUXEMBOURG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2025-03-01

HORIZON-MSCA-2023-PF-01-01: MSCA Postdoctoral Fellowships 2023 Expected Outcome:Project results are expected to contribute to the following outcomes:

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Duración del proyecto: 35 meses Fecha Inicio: 2025-03-01
Fecha Fin: 2028-02-29

Líder del proyecto

UNIVERSITE DU LUXEMBOURG No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Background and rationale: Alzheimer's disease (AD) is the main cause of dementia, with substantial socio-economic burdens. Due to the absence of a cure, understanding disease mechanisms and developing new therapies is crucial. Age-related systemic and brain inflammation contributes to cognitive decline. Inhibiting prostaglandin 2 (PGE2) - PGE2 receptor 2 (EP2) signalling has restored youthful hippocampal functions in ageing mice, but its specific impact on AD-related deficits remains unclear. Aim: We seek to explore the effect of EP2 inhibition on bioenergetic and cognitive decline in an amyloid precursor protein knock-in (APP-KI) mouse model of AD, using neurobiology, immunology and data science. Objective 1: We will compare the effects of brain-penetrant and non-brain-penetrant EP2 antagonists on memory, synaptic function, glucose metabolism, systemic/brain inflammation and amyloid-beta (Aβ) pathology. Objective 2: We will study these effects in APP-KI mice injected with AD brain-derived pathological tau. We will then assess the impact of peripheral immune modulation on AD-like pathology spread. Objective 3: We will analyse the changes and interplay among synaptic dynamics, microglial activity, Aβ/tau pathology progression after EP2 inhibition via real-time imaging. Methodology: The study will involve various assessments, including behavioural tests, biochemical and immunohistochemical analyses, multianalyte assays, as well as multi-omics approaches that combine transcriptomics and metabolomics. Additionally, it will utilise two- and three-photon microscopy for live imaging. Expected results: We anticipate gaining valuable insights into a) PGE2-EP2 inhibition effects on AD-driven deficits, and b) whether peripheral immune re-programming restores brain functions beyond the blood-brain barrier. Impact: The project could yield novel mechanistic and translational outcomes, guiding non-invasive therapeutic approaches to combat AD through peripheral modulations.

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