About the Project
Thus, Rab27 regulates a variety of different physiological processes important in health and disease e.g. immune response, inflammation, allergic responses, pigmentation and cancer progression. This suggests that transient and local blockade of Rab27 function might be an effective strategy to treat these diseases. The aim of this project is to test this hypothesis by developing reagents that inhibit Rab27 function and testing their activity in affecting the invasive and proliferative activity of cancers cells, particularly paediatric brain tumour and breast cancer derived cell lines.
This will be a collaboration between Alistair Hume (Life Sciences, based in the UoN Medical School) and Beth Coyle (Medicine, based in the UoN Biodiscovery Institute) whose respective research interests are the activity of Rab27a in health and disease (AH) and tumour models, drug resistance and invasion/metastasis in cancer (particularly paediatric brain tumours ; BC).
The project will allow the students to undertake training in a multidisciplinary environment and obtain expertise in a range of methods including molecular biology, protein biochemistry, cell culture (including three-dimensional cell migration models), imaging, bioinformatics. More specifically the student will use bioinformatic analysis to design Rab27/effector interaction inhibitors and a fluorescence energy transfer (FRET) assay  to determine the effect of inhibitors on interaction and then test the effects of these on exosome secretion, proliferation and migration in cancer derived cells lines.
The students will also gain training in scientific communication in research group meetings as well as research conferences in the UK and overseas.
2) Rab27 effectors, pleiotropic regulators in secretory pathways. Fukuda M. Traffic. 2013 Sep;14(9):949-63. doi: 10.1111/tra.12083. Epub 2013 Jun 10.
3) Exosome signaling in mammary gland development and cancer. Hendrix A, Hume AN. Int J Dev Biol. 2011;55(7-9):879-87. doi: 10.1387/ijdb.113391ah.
4) Effect of the secretory small GTPase Rab27B on breast cancer growth, invasion, and metastasis. Hendrix A, Maynard D, Pauwels P, Braems G, Denys H, Van den Broecke R, Lambert J, Van Belle S, Cocquyt V, Gespach C, Bracke M, Seabra MC, Gahl WA, De Wever O, Westbroek W. J Natl Cancer Inst. 2010 Jun 16;102(12):866-80. doi: 10.1093/jnci/djq153. Epub 2010 May 18.
5) Molecular mechanisms and therapeutic targets in pediatric brain tumors Kun-Wei Liu, Kristian W. Pajtler, Barbara C. Worst, Stefan M. Pfister,and ,Robert J. Wechsler-Reya, Science Signaling 14 Mar 2017:Vol. 10, Issue 470, eaaf7593 DOI: 10.1126/scisignal.aaf7593
6) In Vitro Fluorescence Resonance Energy Transfer-Based Assay Used to Determine the Rab27-Effector-Binding Affinity. Al-Saad RZ, Kerr I, Hume AN.Assay Drug Dev Technol. 2020 May/Jun;18(4):180-194. doi: 10.1089/adt.2019.960. Epub 2020 May 7.
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