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- W2996341505 abstract "Pancreatic cancer, which has an extremely poor prognosis, is one of the most fatal human cancers. Chemotherapy is the main palliative treatment for advanced cancer patients and also plays an indispensable role in postoperative treatments for surgical patients. Therefore, there is an urgent need to develop more innovative anticancer drugs to fight against this fatal disease. Here, we investigate the potential of benzophenone derivatives, obtained from a marine-derived strain of the fungus Pestalotiopsis neglecta, as antiproliferative lead compounds for the treatment of pancreatic cancer. The compounds, seven new (1–7) and two known (8 and 9) halogenated benzophenone derivatives, were obtained by bioactivity-guided fractionation from the cultures of Pestalotiopsis neglecta. The structures were defined by spectroscopic methods including X-ray crystallographic analysis. Using the commonly used pancreatic cancer cell line PANC-1, 2 and 4 were found to suppress cell proliferation and induce apoptosis in the low micromolar range of 7.6 and 7.2 μM, respectively. Mechanistically, benzophenone derivatives not only inhibit MEK activity in the cytoplasm but also suppress ERK activity in the cytoplasm and nucleus. An in silico study suggests that benzophenone derivatives could potentially inhibit MEK activity by binding to the allosteric pocket in MEK. Benzophenones could serve as new lead compounds for the treatment of pancreatic cancer." @default.
- W2996341505 created "2019-12-26" @default.
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- W2996341505 date "2019-12-12" @default.
- W2996341505 modified "2023-10-16" @default.
- W2996341505 title "Benzophenone Compounds, from a Marine-Derived Strain of the Fungus <i>Pestalotiopsis neglecta</i>, Inhibit Proliferation of Pancreatic Cancer Cells by Targeting the MEK/ERK Pathway" @default.
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- W2996341505 doi "https://doi.org/10.1021/acs.jnatprod.9b00646" @default.
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