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Nick Gay

Structural Biology of Cellular Signalling by Toll/Interleukin 1 Transmembrane Receptors

Research Groupings: Structural and molecular cell biology | Developmental and regenerative biology and medicine

We are studying the structure and function of the human Toll-like receptor family and their signalling pathways. These molecules are required for initial responses to invading bacterial pathogens and are implicated in the generation of human disease states such as rheumatoid arthritis and septic shock. Cartoon comparing insect and vertebrate Toll signalling pathwaysOur aim is to elucidate the detailed molecular structure of these receptors and the other components of the signalling pathway by X-ray crystallography, modelling and NMR methods. This information will provide a basis for the development of novel therapeutic agents effective in inflammatory diseases like rheumatoid arthritis.

The work is supported by grants from the European Union Fifth Framework programme ('Human Toll like receptors in chronic and degenerative disease'), the BBSRC Macromolecular assemblies initiative (Steroechemical mechanisms of signalling and translocation across membranes'), and the MRS ('Structural studies of human Toll/interleukin 1 receptor ectodomains and their ligands').

Lab members
Farhana Ahmadi, Alkisti Alveropoulou-Malli, J Arnold, Christopher Arnot, Jukka Aurikko, J-H Choo, Anthony Dossang, Monique Gangloff, Miranda Lewis, Ardi Liaunardy-Jopeace, Kristen E Mengwasser, Martin Moncrieffe, Ben Murton, Gugu Motshwene, Zhanna Oliferova, Olaniyi Opaleye, Brett Verstak, Joyce Wong

References

  1. Gangloff, M., Weber, A., Gibbard, R. & Gay, N.J. (2003) Evolutionary relationships but functional differences between the Drosophila and human Toll-like receptor families. Biochem. Soc. Trans. 31, 659-663.
  2. Weber, A.N., Tauszig-Delamasure, S., Hoffmann, J., Lelievre, E., Gascan, H., Ray, K.P., Imler, J-L., Morse, M.A. & Gay, N.J. (2003) Binding of the Drosophila cytokine Spatzle with Toll is direct and establishes signaling. Nature Immunology. 4, 794-800.
  3. Dunn, E.F., Gay, N.J., O'Neill, L. & Pei, X-Y. (2003) High resolution structure of murine IL-1F5 reveals unique loop conformations for receptor binding specificity. Biochemistry 42, 10938-10944.

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