期刊
FRONTIERS IN BIOSCIENCE-LANDMARK
卷 19, 期 -, 页码 113-125出版社
FRONTIERS IN BIOSCIENCE INC
DOI: 10.2741/4198
关键词
Pancreatic Cancer; Embelin; Akt; Sonic Hedgehog; Kras(G12D) mice
Since pancreatic carcinoma is largely refractory to conventional therapies, development of novel agents is required for the effective treatment of pancreatic cancer. The objective of this paper was to examine the molecular mechanisms by which embelin inhibited human pancreatic cancer growth in mice by modulating tumor immune microenvironment. Embelin inhibited PANC-1 tumor growth, angiogenesis, and metastasis which were associated with suppression of Akt and Sonic Hedgehog (Shh) pathways. Embelin inhibited the expression of Bcl-2, cyclin D1, CDK2 and CDK6, IL-6 and IL-8, and induced the expression of Bax in tumor tissues. Embelin also reversed epithelial-mesenchymal transition by up-regulating E-cadherin and inhibiting the expression of Snail, Slug and Zeb1. Embelin inhibited pancreatic cancer growth in KrasG12D mice by modulating tumor immune microenvironment where CTL, NKT,.dT, NK, and IFN. (Th1 type) cells were up-regulated, and Th17, PMN-MDSC, IL-6 and IL-8 (Th2 type) immune cells were inhibited. These data suggest that embelin can inhibit pancreatic cancer growth by modulating tumor immune microenvironment and Akt and Shh pathways, and inhibiting inflammation. Embelin may offer therapeutic benefits for the treatment and/or prevention of pancreatic cancer.
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