Journal
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
Volume 23, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/ijms23105621
Keywords
antineoplastic agents; doxorubicin; etoposide; glioblastoma; isoflavones
Funding
- Medical University of Silesia [PCN-2-044/N/1/F, PCN-1-090/N/1/F]
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Glioblastoma is a type of glioma with high mortality rates and resistance to treatment. Research suggests that neobavaisoflavone may enhance the pro-apoptotic activity of chemotherapeutic drugs like etoposide and doxorubicin in glioblastoma cells, indicating potential chemosensitizing properties of this isoflavone.
Glioblastoma (GB) is the most common type of glioma, which is distinguished by high mortality. Due to the rapid progression of the tumor and drug resistance, the treatment is often ineffective. The development of novel therapies in a big part concerns the application of anti-cancer agents already used in clinical practice, unfortunately often with limited effects. This could be overcome through the use of compounds that possess chemosensitizing properties. In our previous work, it has been shown that neobavaisoflavone (NBIF) enhances the in vitro activity of doxorubicin in GB cells. The aim of this study was a further investigation of the possible chemosensitizing effects of this isoflavone. The experimental panel involving image cytometry techniques, such as count assay, examination of mitochondrial membrane potential, Annexin V assay, and cell cycle analysis, was performed in human glioblastoma U-87 MG cells and normal human astrocytes (NHA) treated with NBIF, doxorubicin, etoposide, and their mixes with NBIF. NBIF in co-treatment with etoposide or doxorubicin caused an increase in the population of apoptotic cells and prompted alterations in the cell cycle. NBIF enhances the pro-apoptotic activity of etoposide and doxorubicin in U-87 MG cells, which could be a sign of the chemosensitizing properties of the isoflavone.
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