alexa Protein kinase C-theta;: signaling from the center of the T-cell synapse.


Journal of Clinical & Cellular Immunology

Author(s): Arendt CW, Albrecht B, Soos TJ, Littman DR

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Abstract The hypothesis that protein kinase C (PKC)-theta; plays an important role in T-lymphocyte activation, as indicated by numerous studies in cell lines, was recently confirmed in mice deficient in the expression of this enzyme. In response to TCR stimulation, peripheral T cells lacking PKC-theta; failed to activate NF-kappaB and AP-1, and to express IL-2. This revealed a critical function for this PKC family member in linking membrane-proximal activation cascades to transcriptional responses governing T-cell activation. Although the molecular interactions in which PKC-theta; engages have not been fully delineated, insights from a variety of recent studies have permitted new models to be formulated regarding the mechanisms through which it achieves its unique effector functions.
This article was published in Curr Opin Immunol and referenced in Journal of Clinical & Cellular Immunology

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