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The brain's garbage men

Microglial cells, the immune elements of the brain, are activated in disease or following injury. New findings indicate how these cells are switched on to remove damaged cells and cellular debris.

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Figure 1: Microglial activation.


  1. This article and the paper concerned1 were published online on 4 April 2007.


  1. Koizumi, S. et al. Nature 446, 1091–1095 (2007).

    Article  CAS  ADS  Google Scholar 

  2. Honda, S. et al. J. Neurosci. 21, 1975–1982 (2001).

    Article  CAS  Google Scholar 

  3. Haynes, S. E. et al. Nature Neurosci. 12, 1512–1519 (2006).

    Article  Google Scholar 

  4. Färber, K. & Kettenmann, H. Pflugers Arch. 452, 615–621 (2006).

    Article  Google Scholar 

  5. Rappert, A. et al. J. Neurosci. 24, 8500–8509 (2004).

    Article  CAS  Google Scholar 

  6. Heppner, F. L. et al. Nature Med. 11, 146–152 (2005).

    Article  CAS  Google Scholar 

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Kettenmann, H. The brain's garbage men. Nature 446, 987–989 (2007).

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