Abstract
Activated T cells form stable immunological synapses with antigen-presenting cells whereas naïve T cells initially engage in more transient interactions. Sims et al. (2007) demonstrate that these transient interactions are due to the kinase PKCtheta, which serves to destabilize the synapse thereby permitting T cells to migrate elsewhere. They also show that re-establishment of a synapse involves the actin regulator WASp.
MeSH terms
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Animals
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Antigen Presentation / immunology
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Cell Communication / immunology*
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Cell Movement / immunology
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Humans
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Isoenzymes / immunology
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Lymphocyte Activation / immunology*
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Protein Kinase C / immunology
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Protein Kinase C-theta
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Signal Transduction / immunology
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T-Lymphocytes / immunology*
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Wiskott-Aldrich Syndrome Protein Family / metabolism
Substances
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Isoenzymes
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Wiskott-Aldrich Syndrome Protein Family
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PRKCQ protein, human
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Protein Kinase C
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Protein Kinase C-theta