Access

Article

Nature Immunology 4, 1206–1212 (1 December 2003) | doi:10.1038/ni1003

Modulation of tryptophan catabolism by regulatory T cells

Francesca Fallarino , Ursula Grohmann , Kwang Woo Hwang , Ciriana Orabona , Carmine Vacca , Roberta Bianchi , Maria Laura Belladonna , Maria Cristina Fioretti , Maria-Luisa Alegre & Paolo Puccetti