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School of Biological and Behavioural Sciences

Role of Adult-born Oligodendrocytes in Spatial Coding

Research environment

The School of Biological and Behavioural Sciences at Queen Mary is one of the UK’s elite research centres, according to the 2021 Research Excellence Framework (REF). We offer a multi-disciplinary research environment and have approximately 180 PhD students working on projects in the biological and psychological sciences. Our students have access to a variety of research facilities supported by experienced staff, as well as a range of student support services.

Dr Guifen Chen group focuses on studying how sensory inputs are integrated at the neural network level to form spatial representation in the brain. Her long-term research interests lie in the network mechanisms of spatial cognition and episodic memory in healthy and diseased brains including Alzheimer's and Autism. Further details about Dr Guifen Chen's group are available here: https://www.qmul.ac.uk/sbbs/staff/guifen-chen.html 
Prof Huiliang Li's lab focuses on deciphering glia functions in the healthy and diseased brain. Prof Li has extensive experience of studying myelin in neurological diseases with transgenic mouse models and a sustained track record of securing funding from research councils and charity funding bodies in the UK as PI and Co-PI. Please see detail here:
Their joint funding exceeds >£1M from BBSRC, Royal Society etc.

Training and development

Our PhD students become part of Queen Mary’s Doctoral College which provides training and development opportunities, advice on funding, and financial support for research. Our students also have access to a Researcher Development Programme designed to help recognise and develop key skills and attributes needed to effectively manage research, and to prepare and plan for the next stages of their career.

Project description

Myelin, produced by oligodendrocytes (OLs), plays a crucial role in facilitating rapid and efficient neural communication, serving as a foundation for proper brain function. The generation of OLs continues into adulthood, and emerging findings suggest that adult OL generation and the formation of new myelin contribute to neuroplasticity across various scenarios. OL dysfunction and myelin deficits have been implicated in many neurodegenerative disorders, such as Alzheimer’s Disease (AD).

Myelination through experience-dependent processes, termed "adaptive myelination," is believed to fine-tune neural circuits for learning and memory including spatial memory. The entorhinal–hippocampal neuronal circuit has been well-studied for its contribution to spatial learning and memory. Several types of spatial cells have been discovered, including place cells in the hippocampus and grid cells in the medial entorhinal cortex – an area adjacent to the hippocampus.

The firing activity of these cells provides an animal with an internal representation of space as it explores an environment. However, the question of how the generation of adult-born oligodendrocytes and adaptive myelination affect spatial encoding remains unexplored. In this project, you will study this question by combining the experises from two independent labs. You will carry out in vivo electrophysiological recording in Dr Chen's lab at QMUL and immunochemistry experiments in Prof Li's lab at UCL (University College London).

The finding from the study will pave the way for revealing the mechanisms underlying spatial disorientation in AD patients, one of the earliest symptoms of AD.

Funding

This studentship is open to students applying for China Scholarship Council funding. Queen Mary University of London has partnered with the China Scholarship Council (CSC) to offer a joint scholarship programme to enable Chinese students to study for a PhD programme at Queen Mary. Under the scheme, Queen Mary will provide scholarships to cover all tuition fees, whilst the CSC will provide living expenses for 4 years and one return flight ticket to successful applicants.

Eligibility and applying

Applicants must be:
- Chinese students with a strong academic background.
- Students holding a PR Chinese passport.
- Either be resident in China at the time of application or studying overseas.
- Students with prior experience of studying overseas (including in the UK) are eligible to apply. Chinese QMUL graduates/Masters’ students are therefore eligible for the scheme.

Please refer to the CSC website for full details on eligibility and conditions on the scholarship. 

Applications are invited from highly motivated candidates with a keen interest in neuroscience and with or expecting to receive a first or upper-second class honours degree and a masters degree in an area relevant to the project (for example Neuroscience, Life Sciences, Medicine, Psychology, Physics, Maths or Computer Science).
Candidates with programming skills such as Matlab, a good understanding of maths, and/or experience of rodent experiments are desirable.

Applicants from outside of the UK are required to provide evidence of their English Language ability. Please see our English Language requirements page for details: https://www.qmul.ac.uk/international-students/englishlanguagerequirements/postgraduateresearch/   

Informal enquiries about the project can be sent to Dr Guifen Chen at guifen.chen@qmul.ac.uk.

Formal applications must be submitted through our online form by 31st January 2024 for consideration, including a CV, personal statement and qualifications. You must meet the IELTS/ English Language requirements for your course and submit all required documentation (including evidence of English Language) by 14th March 2024. You are therefore strongly advised to sit an approved English Language test as soon as possible. 

Shortlisted applicants will be invited for a formal interview by the supervisor. If you are successful in your application, then you will be issued an QMUL Offer Letter, conditional on securing a CSC scholarship along with academic conditions still required to meet our entry requirements. Once applicants have obtained their QMUL Offer Letter, they should then apply to CSC for the scholarship by in March 2024 with the support of the supervisor.

Only applicants who are successful in their application to CSC can be issued an unconditional offer and enrol on our PhD programme. For further information, please go to: https://www.qmul.ac.uk/scholarships/items/china-scholarship-council-scholarships.html 

Apply Online

References

1. Rowland, D. C., Roudi, Y., Moser, M.-B. & Moser, E. I. Ten Years of Grid Cells. Annu Rev Neurosci 39, 1–22 (2015).
2. Chen, G., Lu, Y., King, J. A., Cacucci, F. & Burgess, N. Differential influences of environment and self-motion on place and grid cell firing. Nat Commun 10, 630 (2019).
3. Chen, G., King, J. A., Lu, Y., Cacucci, F. & Burgess, N. Spatial cell firing during virtual navigation of open arenas by head-restrained mice. Elife 7, e34789 (2018).
4. Aronov, D., Nevers, R. & Tank, D. W. Mapping of a non-spatial dimension by the hippocampal–entorhinal circuit. Nature 543, 719–722 (2017).
5. Doeller, C. F., Barry, C. & Burgess, N. Evidence for grid cells in a human memory network. Nature 463, 657–661 (2010).
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