Defective tryptophan catabolism underlies inflammation in mouse chronic granulomatous disease.
Romani L, Fallarino F, De Luca A, Montagnoli C, D'Angelo C, Zelante T, Vacca C, Bistoni F, Fioretti MC, Grohmann U, et al. Nature. 2008 Jan 10; 451(7175):211-5.