IL1B and brain ischemia: Treatment at Shuigou (GV26) and Neiguan (PC6) with EA decreased the number of IL-1β positive cells (20.6 ± 2.7%, P < 0.01), as well as increased the levels of IL-10 (0.15 ± 0.01, P < 0.01) in the cerebral ischemia area (Figures 6(a)–6(d)).