SubsidieMeestersIlluminating body-brain communication channels at the choroid plexus and their impact on brain physiology.
The BrainGate project aims to elucidate the gut-blood-choroid plexus-brain communication axis's role in brain function and development using innovative genetic and transcriptomic techniques.
Projectdetails
Introduction
In contrast to other organs, the brain is surrounded by a system of specialized anatomical barriers isolating it from direct contact with immune cells and microbial products present in the blood. However, such factors do dynamically shape brain function in homeostasis and disease.
Understanding Blood-Brain Communication
Because of this unusual anatomy, the pathways of blood-brain communication are still poorly understood. This understanding would provide fundamental insight into brain function regulation and enrich the current knowledge of neurological disease mechanisms.
Role of the Choroid Plexus
My previous work suggests that the choroid plexus (CP) is a central player mediating the influence of immune and microbial signals on the brain. The CP epithelium is a monolayer barrier tissue, which on the side facing the blood has the ability to sense such peripheral factors. On the side facing the brain, it produces the cerebrospinal fluid (CSF) – a liquid carrying nutrients and signaling molecules, which contacts nearly all brain cells and ensures brain homeostasis.
I therefore hypothesize that peripheral immune and microbial factors may shape brain function indirectly, via regulation of the CSF properties at the CP epithelium.
Project Proposal: BrainGate
Based on our preliminary data and building on my past expertise in CP biology, neuroscience, and immunogenomics, I propose an interdisciplinary project, BrainGate. This project aims to illuminate the physiological mechanisms and roles of the gut-blood-CP-brain communication axis during:
- Post-natal development (Aim 1)
- Conditions of microbiota perturbation (Aim 2)
- Circadian cycles (Aim 3)
Methodology
By developing new tools for CP-specific genetic perturbation and combining them with approaches of spatial transcriptomics and behavioral readouts in mouse models, this project will reveal fundamental principles of physiological regulation of brain development, function, and maintenance.
Future Implications
This research will pave the way for future investigation of the gut-blood-CP-brain communication circuit in neurological disease.
Financiële details & Tijdlijn
Financiële details
| Subsidiebedrag | € 1.499.514 |
| Totale projectbegroting | € 1.499.514 |
Tijdlijn
| Startdatum | 1-4-2023 |
| Einddatum | 31-3-2028 |
| Subsidiejaar | 2023 |
Partners & Locaties
Projectpartners
- INSTITUT PASTEURpenvoerder
Land(en)
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