Leptin-deficient (ob/ob) mice are protected from T cell-mediated hepatotoxicity: role of tumor necrosis factor alpha and IL-18. - Faggioni,R.; Jones-Carson,J.; Reed,D.A.; Dinarello,C.A.; Feingold,K.R.; Grunfeld,C.; Fantuzzi,G. (Proc Natl Acad Sci USA, 2000)