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  Understanding pathways which regulate tumour cell death


   Cell Biology of Cancer

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Prof Kevin Ryan  No more applications being accepted

About the Project

Programmed cell death is a natural mechanism in our bodies which serves to eradicate cells which may otherwise form a tumour. Inactivation of these pathways is, therefore, a common event that contributes to cancer progression. Since many standard forms of cancer therapy also utilize these same pathways to kill cancer cells this causes serious problems which lead to drug resistance.

It is widely considered that the identification and understanding of novel cell death regulators will lead to new ways to kill cancer cells. In this regard, we have undertaken a series of screens for factors which regulate apoptosis and autophagy – two processes which regulate cell viability. The successful student will use state-of-the-art genomic and proteomic techniques to understand the role played by this factor in programmed cell death. In addition, through the generation of transgenic systems which lack this factor, analysis will also be made of the gene’s contribution to tumour development and therapy in genetically-modified in vivo models of cancer.

Funding Notes

To apply, students should initially contact the supervisor with a CV and the contact details for 2 referees.

References

Crighton D, Wilkinson S, O'Prey J, Syed N, Smith P, Harrison PR, Gasco M, Garrone O, Crook T, Ryan KM (2006). DRAM, a p53-induced modulator of autophagy, is critical for apoptosis. Cell 126, 121-34.

Bell HS, Dufes C, O'Prey J, Crighton D, Bergamaschi D, Lu X, Schätzlein AG, Vousden KH, Ryan KM (2007). A p53-derived apoptotic peptide derepresses p73 to cause tumor regression in vivo. J Clin Invest. 117, 1008-18.

Wilkinson S, O’Prey J, Fricker M, Ryan KM (2009). PDGFR family kinases promote hypoxia-selective autophagy and cell survival by defining HIF1α targets. Genes Dev. 23, 1283-8.

Mah L-Y, Ryan KM (2012). Autophagy and Cancer. Cold Spring Harb Perspect Biol. 4, a008821.

Liu EY, Ryan KM (2012). Autophagy and cancer – issues we need to digest. Journal of Cell Science 125, 2349-5.