Serum kynurenine and neopterin concentrations in patients with cardiomyopathy

Reduced Biopterin as a Cofactor in the Generation of Nitrogen Oxides by Murine Macrophages

1989 • 571 citations

Neopterin as Marker for Activation of Cellular Immunity: Immunologic Basis and Clinical Application

1989 • 373 citations

Tetrahydrobiopterin-dependent formation of nitrite and nitrate in murine fibroblasts.

1990 • 288 citations

Tetrahydrobiopterin biosynthetic activities in human macrophages, fibroblasts, THP-1, and T 24 cells. GTP-cyclohydrolase I is stimulated by interferon-gamma, and 6-pyruvoyl tetrahydropterin synthase and sepiapterin reductase are constitutively present.

1990 • 239 citations

Parallel induction of tetrahydrobiopterin biosynthesis and indoleamine 2,3-dioxygenase activity in human cells and cell lines by interferon-γ

1989 • 201 citations

Human macrophages degrade tryptophan upon induction by interferon-gamma

1987 • 182 citations

Increased endogenous interferon-gamma and neopterin correlate with increased degradation of tryptophan in human immunodeficiency virus type 1 infection

1991 • 139 citations

Endogenous release of interferon-gamma and diminished response of peripheral blood mononuclear cells to antigenic stimulation

1989 • 94 citations

Altered tryptophan and neopterin metabolism in cancer patients treated with recombinant interleukin 2.

1989 • 82 citations

The determination of kynurenine in plasma

1975 • 60 citations

Autoimmune myocarditis: concepts and questions

1991 • 35 citations