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The human natural killer cell immune synapse

Open access
Davis, Daniel M., Chiu, Isaac, Fassett, Marlys, Cohen, George B., Mandelboim, Ofer, Strominger, Jack L.·1999·Proceedings of the National Academy of Sciences

Abstract

Inhibitory killer Ig-like receptors (KIR) at the surface of natural killer (NK) cells induced clustering of HLA-C at the contacting surface of target cells. In this manner, inhibitory immune synapses were formed as human NK cells surveyed target cells. At target/NK cell synapses, HLA-C/KIR distributed into rings around central patches of intercellular adhesion molecule-1/lymphocyte function-associated antigen-1, the opposite orientation to mature murine T cell-activating synapses. This organization of protein was stable for at least 20 min. Cells could support multiple synapses simultaneously, and clusters of HLA-C moved as NK cells crawled over target cells. Clustering required a divalent metal cation, explaining how metal chelators inhibit KIR function. Surprisingly, however, formation of inhibitory synapses was unaffected by ATP depletion and the cytoskeletal inhibitors, colchicine and cytochalsins B and D. Clearly, supramolecular organization within plasma membranes is critical for NK cell immunosurveillance.

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Metadata

Authors
Davis, D. M., Chiu, I., Fassett, M., Cohen, G. B., Mandelboim, O., & Strominger, J. L.
Venue
Proceedings of the National Academy of Sciences
Published
1999-12-21
Volume
96
Issue
26
Pages
15062-15067
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2117918558
Cited by
416
References
0
FWCI
6.84
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: The human natural killer cell immune synapse. https://app.cochat.ai/papers/10.1073/pnas.96.26.15062
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Davis, D. M., Chiu, I., Fassett, M., Cohen, G. B., Mandelboim, O., & Strominger, J. L. (1999). The human natural killer cell immune synapse. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.96.26.15062

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