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Nature 434, 27-28 (3 March 2005) | doi:10.1038/434027a; Published online 2 March 2005

Coupling and cross-presentation

William R. Heath1 & Francis R. Carbone2

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Studies of cultured cells have revealed how the immune system may use intercellular pores to convey information that is important in initiating antiviral responses and in limiting the spread of infections.

Our immune system has an ingenious way of dealing with microorganisms that invade our cells. Each cell displays tiny protein fragments (peptides) on its surface, representing most of the proteins that are found within.

  1. William R. Heath is at the Walter and Eliza Hall Institute, 1G Royal Parade, Parkville, Victoria 3050, Australia.
    e-mail: Email: heath@wehi.edu.au
  2. Francis R. Carbone is in the Department of Microbiology and Immunology, University of Melbourne, Parkville, Victoria 3010, Australia.
    e-mail: Email: fcarbone@unimelb.edu.au

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