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Understanding the cellular diversity of the choroid plexus in the brain
Secondary Supervisor(s): Dr Andrew Holmes
University of Registration: University of Birmingham
BBSRC Research Themes:
Project Outline
Cerebrospinal fluid (CSF) is the fluid that bathes the brain. The CSF dynamics system is important for maintaining brain homeostasis by regulating intracranial pressure, removing toxic metabolic waste and moving nutrients, neurotransmitters and hormones around the brain. The CSF dynamics system is composed of the choroid plexus, ependyma, glymphatics system and CSF drainage pathways, which controls the volume and composition of CSF.
The choroid plexus is the key part of the brain responsible for producing CSF. The choroid plexus is made up of a network of blood vessels and supportive tissue, covered by a layer of specialised cells called choroid plexus epithelial cells. Besides making CSF, these epithelial cells play a vital role in maintaining a healthy brain; they act as a barrier between blood and CSF, control the entry of immune cells into the brain, and regulate movement and secretion of various substances into the CSF which influences brain health. Ageing reduces the capacity for the choroid plexus to function normally leading to changes in CSF dynamics which may have a role in the development of neurodegenerative diseases.
This project will focus on understanding the cellular diversity of the choroid plexus epithelium. It will develop our knowledge about the role of the choroid plexus epithelial cells, how they interact with each other and what happens to them during ageing. The project will involve training in patch clamping, calcium signalling, cell culture, microscopy, immunofluorescence staining and data analysis.