DNAX accessory molecule-1 (DNAM-1, also known as CD226) is an activating receptor expressed on subsets of natural killer (NK) and T cells, interacts with its ligands CD155 or CD112, and has co-varied expression with inhibitory receptors. Since inhibitory receptors control NK-cell activation and are necessary for MHC-I-dependent education, we investigated whether DNAM-1 expression is also involved in NK-cell education. Here we show an MHC-I-dependent correlation between DNAM-1 expression and NK-cell education, and an association between DNAM-1 and NKG2A that occurs even in MHC class I deficient mice. DNAM-1 is expressed early during NK-cell development, precedes the expression of MHC-I-specific inhibitory receptors, and is modulated in an education-dependent fashion. Cd226−/− mice have missing self-responses and NK cells with a normal receptor repertoire. We propose a model in which NK-cell education prevents or delays downregulation of DNAM-1. This molecule endows educated NK cells with enhanced effector functions but is dispensable for education.
Description
Expression of CD226 is associated to but not required for NK cell education | Nature Communications
%0 Journal Article
%1 wagner2017expression
%A Wagner, Arnika K.
%A Kadri, Nadir
%A Snäll, Johanna
%A Brodin, Petter
%A Gilfillan, Susan
%A Colonna, Marco
%A Bernhardt, Günter
%A Höglund, Petter
%A Kärre, Klas
%A Chambers, Benedict J.
%D 2017
%J Nature Communications
%K nk
%N 1
%P 15627--
%R 10.1038/ncomms15627
%T Expression of CD226 is associated to but not required for NK cell education
%U https://doi.org/10.1038/ncomms15627
%V 8
%X DNAX accessory molecule-1 (DNAM-1, also known as CD226) is an activating receptor expressed on subsets of natural killer (NK) and T cells, interacts with its ligands CD155 or CD112, and has co-varied expression with inhibitory receptors. Since inhibitory receptors control NK-cell activation and are necessary for MHC-I-dependent education, we investigated whether DNAM-1 expression is also involved in NK-cell education. Here we show an MHC-I-dependent correlation between DNAM-1 expression and NK-cell education, and an association between DNAM-1 and NKG2A that occurs even in MHC class I deficient mice. DNAM-1 is expressed early during NK-cell development, precedes the expression of MHC-I-specific inhibitory receptors, and is modulated in an education-dependent fashion. Cd226−/− mice have missing self-responses and NK cells with a normal receptor repertoire. We propose a model in which NK-cell education prevents or delays downregulation of DNAM-1. This molecule endows educated NK cells with enhanced effector functions but is dispensable for education.
@article{wagner2017expression,
abstract = {DNAX accessory molecule-1 (DNAM-1, also known as CD226) is an activating receptor expressed on subsets of natural killer (NK) and T cells, interacts with its ligands CD155 or CD112, and has co-varied expression with inhibitory receptors. Since inhibitory receptors control NK-cell activation and are necessary for MHC-I-dependent education, we investigated whether DNAM-1 expression is also involved in NK-cell education. Here we show an MHC-I-dependent correlation between DNAM-1 expression and NK-cell education, and an association between DNAM-1 and NKG2A that occurs even in MHC class I deficient mice. DNAM-1 is expressed early during NK-cell development, precedes the expression of MHC-I-specific inhibitory receptors, and is modulated in an education-dependent fashion. Cd226−/− mice have missing self-responses and NK cells with a normal receptor repertoire. We propose a model in which NK-cell education prevents or delays downregulation of DNAM-1. This molecule endows educated NK cells with enhanced effector functions but is dispensable for education.},
added-at = {2020-04-02T17:09:08.000+0200},
author = {Wagner, Arnika K. and Kadri, Nadir and Snäll, Johanna and Brodin, Petter and Gilfillan, Susan and Colonna, Marco and Bernhardt, Günter and Höglund, Petter and Kärre, Klas and Chambers, Benedict J.},
biburl = {https://www.bibsonomy.org/bibtex/26d7e78eedcf5ff120efbaf1951bf1d34/lkanth},
description = {Expression of CD226 is associated to but not required for NK cell education | Nature Communications},
doi = {10.1038/ncomms15627},
interhash = {80e18cfec2a93bfc4e2086290b60f955},
intrahash = {6d7e78eedcf5ff120efbaf1951bf1d34},
issn = {20411723},
journal = {Nature Communications},
keywords = {nk},
number = 1,
pages = {15627--},
refid = {Wagner2017},
timestamp = {2020-04-02T17:09:08.000+0200},
title = {Expression of CD226 is associated to but not required for NK cell education},
url = {https://doi.org/10.1038/ncomms15627},
volume = 8,
year = 2017
}