Eucalyptus microcorys leaf extract derived HPLC-fraction reduces the viability of MIA PaCa-2 cells by inducing apoptosis and arresting cell cycle

Autor: Christopher J. Scarlett, Michael C. Bowyer, Quan V. Vuong, Anita C. Chalmers, Danielle R. Bond, Deep Jyoti Bhuyan
Rok vydání: 2018
Předmět:
Zdroj: Biomedicine & Pharmacotherapy. 105:449-460
ISSN: 0753-3322
DOI: 10.1016/j.biopha.2018.05.150
Popis: New therapeutic strategies such as the development of novel drugs and combinatorial therapies with existing chemotherapeutic agents are urgently needed to improve the clinical prognosis of pancreatic cancer. We have previously reported the antiproliferative properties of aqueous crude Eucalyptus microcorys extract against pancreatic cancer cell lines. In this study, bioassay-guided fractionation of the aqueous crude E. microcorys extract using RP-HPLC and subsequent assessment of the resultant fractions (F1-F5) for their antioxidant activity and cytotoxicity against pancreatic cancer cell lines were performed. The molecular mechanisms associated with the cytotoxicity was characterised by studying the effects of the most potent fraction-1 (F1) on apoptosis and cell cycle profiles as well as its phytochemical constituents by LC-ESI/MS/MS. F1 displayed significantly greater antioxidant activity in three different assays (p 0.05). Moreover, F1 exhibited significantly greater antiproliferative activity (IC
Databáze: OpenAIRE