Clare Buckley

Clare Buckley


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Personal profile

Research interests (short)

I am part of a team in the Clarke lab who are investigating the mechanisms by which neural progenitor epithelial cells establish apicobasal polarity within the developing neural rod of the zebrafish hindbrain. This is necessary for a smooth apical surface to form along the middle of the neural rod, from which the ventricle (lumen) then opens. The generation of epithelial tubes is a common requirement in many embryonic organs and the lumen position and proper apicobasal polarisation of surrounding cells is crucial to their function. Defects in epithelial cell polarity are at the route of many diseases, such as polycystic kidney disease (PKD), cystic fibrosis and cancer, to name a few. Therefore, understanding the fundamental principles of epithelial cell polarization is key, not only to further our understanding of normal development but also to determine what goes wrong in these diseases.

In order to investigate apicobasal polarity establishment in a targeted manner, we are currently developing techniques to accurately and reversibly move proteins to specific subcellular regions within the zebrafish embryo brain using light. We have collaborated with Orion Weiner's lab at UCSF and currently have a paper in press in 'Developmental Cell' describing the adaptation of the Phytochrome optogenetic system for use in zebrafish.

Our earlier work using in vivo time-lapse confocal imaging uncovered a novel mechanism of cell polarisation during lumen formation. We found that neural progenitor cells locate their centrosomes at and assemble a mirror-symmetric microtubule cytoskeleton around whichever point that they intersect the middle of the developing neural rod. This is necessary for the apically directed trafficking of proteins required for normal lumen formation, such as partitioning defective 3 (Pard3) and Rab11a to this point. To our knowledge, this is the first example of the initiation of apical polarisation part way along the length of a cell, rather than at a cell extremity. We propose a polarisation feedback loop by which initial Pard3 puncta might specify centrosomal location and then the centrosome organises the microtubule cytoskeleton around the tissue midline, which is necessary to reinforce Pard3 delivery to this point.

I completed my PhD in 2009 with Robin Franklin at Cambridge University in collaboration with a biotechnology company Summit plc. (formerly DanioLabs Ltd.). We characterised the time-course of developmental myelination in zebrafish and designed medium throughput in vivo screens with the aim of identifying compounds that could be used to combat myelin disorders such as multiple sclerosis. This work resulted in the identification of 25 targets that are able to alter oligodendrocyte lineage cell recruitment or proliferation and/or mbp transcript levels in vivo.


Expertise related to UN Sustainable Development Goals

In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):

  • SDG 3 - Good Health and Well-being


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