Takeuchi, Sato, Horiuchi, Hoshino, Takeda, Dong, Modlin, Akira: "Cutting edge: role of Toll-like receptor 1 in mediating immune response to microbial lipoproteins." in: Journal of immunology (Baltimore, Md. : 1950), Vol. 169, Issue 1, pp. 10-4, 2002 (PubMed).
Shimizu, Yamazaki, Takahashi, Ishida, Sakaguchi: "Stimulation of CD25(+)CD4(+) regulatory T cells through GITR breaks immunological self-tolerance." in: Nature immunology, Vol. 3, Issue 2, pp. 135-42, 2002 (PubMed).
Gurney, Marsters, Huang, Pitti, Mark, Baldwin, Gray, Dowd, Brush, Heldens, Schow, Goddard, Wood, Baker, Godowski, Ashkenazi: "Identification of a new member of the tumor necrosis factor family and its receptor, a human ortholog of mouse GITR." in: Current biology : CB, Vol. 9, Issue 4, pp. 215-8, 1999 (PubMed).