4.7 Article

The Effect of α-Mangostin and Cisplatin on Ovarian Cancer Cells and the Microenvironment

期刊

BIOMEDICINES
卷 10, 期 5, 页码 -

出版社

MDPI
DOI: 10.3390/biomedicines10051116

关键词

exosomes; alpha-mangostin; cisplatin; ovarian cancer; NTA-nanoparticle analysis tracking

资金

  1. Medical University of Silesia in Katowice,Poland [PCN-1-174/N/0/I, PCN-1-087/N/1/I, KNW-2-B33/D/9/N]

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This study evaluated the effects of cisplatin and a plant extract alpha-mangostin on ovarian cancer cells and the cancer cell microenvironment. The results showed that the combination of alpha-mangostin and cisplatin reduced the concentration of cisplatin while maintaining the same cytotoxic effect. Additionally, the composition of exosomes released from drug-treated cancer cells may be different from untreated cells.
Ovarian cancer is one of the cancers that, unfortunately, is detected at a late stage of development. The current use of treatment has many side effects. Notably, up to 20% of patients show cisplatin resistance. We assess the effects of cisplatin and/or alpha-mangostin, a natural plant derivative, on ovarian cancer cells and on the cancer cell microenvironment. The effect of cisplatin and/or alpha-mangostin on the following cells of ovarian cancer lines: A2780, TOV-21G, and SKOV-3 was verified using the XTT cytotoxicity assay. The separate and combined effects of tested drugs on ovarian cancer cell viability were assessed. We assessed the influence of chemotherapeutic agents on the possibility of modulating the microenvironment. For this purpose, we isolated exosomes from drug-treated and untreated ovarian cancer cells. We estimated the differences in the amounts of exosomes released from cancer cells (NTA technique). We also examined the effects of isolated exosome fractions on normal human cells (NHDF human fibroblast line). In the present study, we demonstrate that treatment of A2780, SKOV-3, and TOV-21G cells with alpha-mangostin in combination with cisplatin can allow a reduction in cisplatin concentration while maintaining the same cytotoxic effect. Ovarian cancer cells release a variable number of exosomes into the microenvironment when exposed to alpha-mangostin and/or cisplatin. However, it is important to note that the cargo carried by exosomes released from drug-treated cells may be significantly different.

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