PTGS2 and gastric cancer: Compound Wumei Powder (CWP), a blend of equal parts Wumei (dried fruit of Prunus mume) and Wuweizi (dried fruit of Schisandra chinensis), has demonstrated its capacity to curb invasion and metastasis of gastric cancer cells through its impact on the Cox-2/PGE2-PI3K/AKT/GSK3β/β-catenin signaling pathway, both in vitro and in vivo (115).