Chemical Constituents of and Their Anti-Pancreatic Cancer Activity Against Human PANC-1 Cell Line
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An n-hexane extract of was found to exhibit potent cytotoxicity against PANC-1 human pancreatic cancer cells, preferentially under nutrition starvation conditions, with a PC value of 6.2 µg/mL. Phytochemical investigation of this bioactive extract resulted in the isolation of fifteen compounds (-), including a new compound, subulatone A (-). The structure of compound was elucidated using HRFABMS and NMR spectroscopic analyses. The isolated compounds were tested for their preferential cytotoxicity against the PANC-1 human pancreatic cancer cell line, using an anti-austerity strategy. Among these, myrtucommulone A () showed highly potent preferential cytotoxicity, with a PC value of 0.28 µM. Myrtucommulone A () was found to alter PANC-1 cell morphology, inhibit cell migration, and downregulate the PI3K/Akt/mTOR and autophagy signaling pathways in nutrient-deprived media, leading to cancer cell death. Therefore, myrtucommulone A () is a lead compound for anticancer drug development based on an anti-austerity strategy.
Rabie O, El-Nashar H, Majrashi T, Al-Warhi T, El Hassab M, Eldehna W J Enzyme Inhib Med Chem. 2023; 38(1):2224944.
PMID: 37369580 PMC: 10304439. DOI: 10.1080/14756366.2023.2224944.