The extracts from centaurea species abolished the cytotoxic effects of doxorubicin on breast cancer cell line - MCF-7 and bortezomib on prostate cancer cell line- PC3.
Aleksandra Józefczyk, Grzegorz Adamczuk, Ewelina Humeniuk, Magdalena Iwan, Joanna Kubik, Agnieszka Łubek-Nguyen, Katarzyna Porębska, Barbara Madej-Czerwonka, Maciej Czerwonka, Agnieszka Korga-Plewko
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引用次数: 0
Abstract
The use of plant extracts by cancer patients during chemotherapy poses potential risks, as they may reduce the effectiveness of treatment or interact negatively with chemotherapeutic drugs. There is a lack of comprehensive studies evaluating the effects of various Centaurea spp. plant extracts on chemotherapy outcomes, highlighting the need for caution and medical supervision. Therefore, the aim of this study was to evaluate the effects of five Centaurea spp. extracts in concentrations of 125 μg/ml and 250 μg/ml on the cytotoxicity induced by doxorubicin (DOX, 1 μM) in MCF-7 breast cancer cells and by bortezomib (BOR, 7 nM) in PC-3 prostate cancer cells. Selected cell lines were treated with drugs and extracts or combined for 48 h. Biological assays revealed that four out of five tested extracts abolished the cytotoxic effects of DOX and BOR. The extracts showed low antioxidant activity compared to Trolox, with no correlation to total compound content, indicating the abolition of the cytotoxic effect was not due to antioxidant activity. However, genotoxicity and DNA damage response studies showed a protective effect of the extract on the DNA of cancer cells and upregulation of DNA repair, which may underlie the reversal of the chemotherapy effect.
期刊介绍：
Food and Chemical Toxicology (FCT), an internationally renowned journal, that publishes original research articles and reviews on toxic effects, in animals and humans, of natural or synthetic chemicals occurring in the human environment with particular emphasis on food, drugs, and chemicals, including agricultural and industrial safety, and consumer product safety. Areas such as safety evaluation of novel foods and ingredients, biotechnologically-derived products, and nanomaterials are included in the scope of the journal. FCT also encourages submission of papers on inter-relationships between nutrition and toxicology and on in vitro techniques, particularly those fostering the 3 Rs.
The principal aim of the journal is to publish high impact, scholarly work and to serve as a multidisciplinary forum for research in toxicology. Papers submitted will be judged on the basis of scientific originality and contribution to the field, quality and subject matter. Studies should address at least one of the following:
-Adverse physiological/biochemical, or pathological changes induced by specific defined substances
-New techniques for assessing potential toxicity, including molecular biology
-Mechanisms underlying toxic phenomena
-Toxicological examinations of specific chemicals or consumer products, both those showing adverse effects and those demonstrating safety, that meet current standards of scientific acceptability.
Authors must clearly and briefly identify what novel toxic effect (s) or toxic mechanism (s) of the chemical are being reported and what their significance is in the abstract. Furthermore, sufficient doses should be included in order to provide information on NOAEL/LOAEL values.
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