Involvement of Activating NK Cell Receptors and Their Modulation in Pathogen Immunity

Natural Killer (NK) cells are endowed with cell-structure-sensing receptors providing inhibitory protection from self-destruction (inhibitory NK receptors, iNKRs, including killer inhibitory receptors and other molecules) and rapid triggering potential leading to functional cell activation by Toll-l...

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Bibliographic Details
Main Authors: Francesco Marras, Federica Bozzano, Andrea De Maria
Format: Article
Language:English
Published: Hindawi Limited 2011-01-01
Series:Journal of Biomedicine and Biotechnology
Online Access:http://dx.doi.org/10.1155/2011/152430
Description
Summary:Natural Killer (NK) cells are endowed with cell-structure-sensing receptors providing inhibitory protection from self-destruction (inhibitory NK receptors, iNKRs, including killer inhibitory receptors and other molecules) and rapid triggering potential leading to functional cell activation by Toll-like receptors (TLRs), cytokine receptors, and activating NK cell receptors including natural cytotoxicity receptors (NCRs, i.e., NKp46, NKp46, and NKp44). NCR and NKG2D recognize ligands on infected cells which may be endogenous or may directly bind to some structures derived from invading pathogens. In this paper, we address the known direct or indirect interactions between activating receptors and pathogens and their expression during chronic HIV and HCV infections.
ISSN:1110-7243
1110-7251