详细记录  
题名:Perforin-mediated target-cell death and immune homeostasis
作者:Ilia Voskoboinik, Mark J. Smyth, Joseph A. Trapani
来源:Nature Reviews Immunology 6, 940 - 952 (01 Dec 2006) Review
URL :http://dx.doi.org/10.1038/nri1983
日期:061215
摘要:Ilia Voskoboinik1,2, Mark J. Smyth1,3 and Joseph A. Trapani1,3 About the authors

Cancer Immunology Program, Peter MacCallum Cancer Centre, St. Andrew`s Place, East Melbourne, Victoria 3002, Australia.
Department of Genetics, The University of Melbourne, Parkville, Victoria 3010, Australia.
Department of Pathology, The University of Melbourne, Parkville.

Correspondence to: Ilia Voskoboinik1,2 Email: ilia.voskoboinik@petermac.org

Correspondence to: Joseph A. Trapani1,3 Email: joe.trapani@petermac.org


Abstract

The granule exocytosis pathway of cytotoxic lymphocytes is crucial for immune surveillance and homeostasis. The trafficking of granule components, including the membrane-disruptive protein perforin, to the immunological synapse leads to the delivery of granule proteases (granzymes) into the target cell and its destruction through apoptosis. Several independent molecular abnormalities associated with defects of either granule trafficking or perforin function can cause cytotoxic lymphocyte dysfunction. In humans, inherited perforin mutations result in severe immune dysregulation that manifests as familial haemophagocytic lymphohistiocytosis. This Review describes recent progress in defining the structure, function, biochemistry and cell biology of perforin.

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