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Professional secrets

Looking inside the compartments of certain immune cells — professional antigen-presenting cells — has revealed how the immune system can trigger a cell-killing response to extracellular pathogens.

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Figure 1: Professional antigen-presenting cells process intracellular and extracellular pathogens differently.


  1. Guermonprez, P. et al. Nature 425, 397–402 (2003).

    Article  ADS  CAS  Google Scholar 

  2. Houde, M. et al. Nature 425, 402–406 (2003).

    Article  ADS  CAS  Google Scholar 

  3. Bevan, M. J. J. Exp. Med. 143, 1283–1288 (1976).

    Article  CAS  Google Scholar 

  4. den Haan, J. M. & Bevan, M. J. Curr. Opin. Immunol. 13, 437–441 (2001).

    Article  CAS  Google Scholar 

  5. Sigal, L. J., Crotty, S., Andino, R. & Rock, K. L. Nature 398, 77–80 (1999).

    Article  ADS  CAS  Google Scholar 

  6. Rodriguez, A., Regnault, A., Kleijmeer, M., Ricciardi-Castagnoli, P. & Amigorena, S. Nature Cell Biol. 1, 362–368 (1999).

    Article  CAS  Google Scholar 

  7. Brossart, P. & Bevan, M. J. Blood 90, 1594–1599 (1997).

    CAS  PubMed  PubMed Central  Google Scholar 

  8. Kovacsovics-Bankowski, M. & Rock, K. L. Science 267, 243–246 (1995).

    Article  ADS  CAS  Google Scholar 

  9. Nuchtern, J. G. et al. Nature 339, 223–226 (1989).

    Article  ADS  CAS  Google Scholar 

  10. Garin, J. et al. J. Cell Biol. 152, 165–180 (2001).

    Article  CAS  Google Scholar 

  11. Gagnon, E. et al. Cell 110, 119–131 (2002).

    Article  CAS  Google Scholar 

  12. Koopmann, J. O. et al. Immunity 13, 117–127 (2000).

    Article  CAS  Google Scholar 

  13. Romisch, K. J. Cell Sci. 112, 4185–4191 (1999).

    CAS  PubMed  Google Scholar 

  14. Roy, C. R. Trends Microbiol. 10, 418–424 (2002).

    Article  CAS  Google Scholar 

  15. Schmitz, A., Herrgen, H., Winkeler, A. & Herzog, V. J. Cell Biol. 148, 1203–1212 (2000).

    CAS  Google Scholar 

  16. Ramachandra, L., Song, R. & Harding, C. V. J. Immunol. 162, 3263–3272 (1999).

    CAS  Google Scholar 

  17. Zinkernagel, R. M. Eur. J. Immunol. 32, 2385–2392 (2002).

    Article  CAS  Google Scholar 

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Roy, C. Professional secrets. Nature 425, 351–352 (2003).

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