Abstract

In this research, we analyzed the antitumor activity of one new compound Heilaohulignan C (B-6) on the human gastric carcinoma cells. MTT, cell migration, Calcein AM/Propidium Iodide (PI), and flow cytometry in BGC-823 cell line (gastric tumor). Western blot was utilized to distinguish the protein level. Xenografts nude mice were used for in vivo anticancer analysis. H&E staining and laboratory investigation was accomplished for toxicity study. MTT test demonstrated the cytotoxicity of BGC-823 cells, Calcein AM/Propidium Iodide (PI) examine indicated increment dead cells proportion with a high dose of B-6, Flow cytometry (FACS) measure showed that B-6 influenced gastric cancer cells by initiating apoptosis. Western blot analysis confirmed that (B-6) decrease the level of Bcl-2 and increase the level of p53, Bax, and cleaved Caspase-3, this confirms that the B-6 doing the apoptosis through caspase and cytochrome C apoptotic pathways. Also, B-6 particularly decline the tumor volume and tumor size in the xenograft mice. H&E staining additionally supports that B-6 does not have any toxic impact on the normal tissues. This research supports that B-6 have pharmacological activity against gastric cancer, by p53 and mitochondrial dependent apoptotic pathway, and have no toxicity on normal tissues.

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