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We are interested in how lymphocytes decide to mount immune responses against, for example, tumours. This involves trying to understanding how leukocyte receptors, such as the T-cell receptor and immune checkpoints, are triggered.

Coordination of fellowship applications Martin Phelps

Our focus has been on the cell biology of the T-cell surface. We developed general methods for crystalizing glycoproteins and determined the structures of key T-cell surface proteins including the first adhesion protein (CD2) and its ligand CD58, the costimulatory receptor CD28 and its ligand CD80, and the large tyrosine phosphatase CD45. We also worked out how weak, specific recognition is achieved by these types of proteins and obtained the first insights into the likely overall composition of the T-cell surface. Most importantly we proposed, with PA van der Merwe, one of the most complete and best-supported explanations for leukocyte receptor triggering, called the kinetic-segregation model. Our work is funded principally by The Wellcome Trust, but also by the UK Medical Research Council. Please see http://davislab-oxford.org/ for more details.

Our team

Selected publications

Related research themes