“The draining lymph node (DLN) cells … injected 48 hr previously with carrageenin produced significantly higher levels of … interleukin-1 (IL-1), IL-2 , IL-6 and interferon-gamma (IFN-gamma), but less IL-10, compared to … from saline-injected controls, when stimulated with concanavalin A (Con A) in vitro.”