IL-1β levels in the TCx and Hp of the control rats were 17.9 ± 1.4 and 29.4 ± 3.1 pg/mg of protein, respectively, while for MS induced by the HCD group, the IL-1β concentration was 68.6 ± 3.3 pg/mg of protein in the TCx and 59.05 ± 4.6 pg/mg of protein in the Hp. The gene discussed is IL1B; the disease is myeloid sarcoma.