Description: The A10 monoclonal antibody reacts with the mouse NKG2D, a lectin-like molecule expressed on both human and mouse NK cells. Mouse NKG2D binds to retinoic acid-inducible RAE-1 alpha, beta, gamma, delta, epsilon and the minor histocompatibility molecule H60 and has the ability to costimulate multiple NK activation receptors, through the DAP12/DAP10 adaptor molecules. NKG2D is expressed by all spleen and liver NK cells, NK1.1(+) thymocytes, in vitro activated LAK cells, and a subset of splenic NKT cells. A10 and C7 antibodies detect NK cells from all inbred strains of mice tested so far. In redirected lysis assays, A10 is reported to stimulate NK cells to kill Daudi targets. In addition, immobilized A10 is reported to induce production of GM-CSF by NK clones and LAK cells through a CD16 (FC gamma RIII) concomitant engagement. A10 and another hamster anti-mouse NKG2D (clone C7) compete with each other for binding to transfected cells by flow cytometric analysis, suggesting that they may bind to similar epitopes or block each other by steric hindrance. C7 (neutralizing) and A10 (activating) also exhibit different functional properties.
Expression of the NKG2D antigen on mouse peripheral NK and NKT cells can be detected by flow cytometric analysis using mAb CX5 with much brighter intensity.
