Tuesday, August 25, 2009

Natural killer cells: Stop, look, listen

On how NK cells balance activating and inhibitory ligands in target cells to decide when to attack.

When a migratory natural killer (NK) cell encounters a potential target cell, it must stop and integrate signals from various sensory inputs to decide whether to proceed with a cytolytic response. Daniel Davis and colleagues show how the formation of a lytic synapse between an NK cell and a target cell, resulting in the polarized secretion of cytolytic granules, is continuously regulated by the balance between signalling through activating and inhibitory receptors.
[from Nature Reviews Immunology 9, 606, September 2009]

Comments from this interesting article:
Natural Killer Cell Signal Integration Balances Synapse Symmetry and Migration. Culley FJ, Johnson M, Evans JH, Kumar S, Crilly R, et al. 2009 PLoS Biol 7(7): e1000159. doi:10.1371/journal.pbio.1000159

R&D  R&D Systems reagents used in that study:

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