References: Groh V, Bruhl A, El-Gabalawy H, Nelson JL, Spies T. Stimulation of T cell autoreactivity by anomalous expression of NKG2D and its MIC ligands in rheumatoid arthritis. Proc Natl Acad Sci U S A. 2003. 100(16):9452-7, (IHC frozen, PubMed)
Roberts AI, Lee L, Schwarz E, Groh V, Spies T, Ebert EC, Jabri B. NKG2D receptors induced by IL-15 costimulate CD28-negative effector CTL in the tissue microenvironment. J Immunol. 2001. 167(10):5527-30. (activation, PubMed)
Stefan Bauer, Veronika Groh, Jun Wu, Alexander Steinle, Joseph H. Phillips, Lewis L. Lanier, and Thomas Spies. Activation of NK Cells and T Cells by NKG2D, a Receptor for Stress-Inducible MICA. Science. 1999. 285: 727-729.
Veronika Groh, Alexander Steinle, Stefan Bauer, and Thomas Spies. Recognition of Stress-Induced MHC Molecules by Intestinal Epithelial T Cells. Science. 1998. 279:1737-1740.