Hyperthermia Intensifies α-Mangostin and Synthetic Xanthones' Antimalignancy Properties
Jakub Rech1, Dorota Żelaszczyk2, Henryk Marona2
1Department of Biotechnology and Genetic Engineering, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, 40-055 Katowice, Poland.
International Journal of Molecular Sciences
|August 29, 2024
Summary
Synthetic xanthone derivatives combined with mild hyperthermia show enhanced anticancer properties. This novel approach significantly reduced ovarian cancer cell motility, metastasis, and clonogenic activity, offering a promising therapeutic strategy.
Area of Science:
- Medicinal Chemistry
- Oncology
- Biochemistry
Background:
- Naturally occurring xanthones possess anticancer properties but require enhancement for therapeutic efficacy.
- Chemical synthesis offers a route to novel xanthone derivatives with improved activity.
- Ovarian cancer cell lines (TOV-21G, SC-OV-3) are utilized to assess therapeutic effects.
Purpose of the Study:
- To synthesize novel xanthone derivatives and evaluate their anticancer potential.
- To investigate the synergistic effect of chemotherapy combined with mild hyperthermia (39-41 °C) on cancer cells.
- To assess the impact of these combined therapies on cancer cell motility, metastasis, gene expression, and mitochondrial potential.
Main Methods:
- Synthesis of eight novel xanthone derivatives coupled to morpholine or aminoalkyl morpholine.
- Selection of the two most active xanthone derivatives for further study.
- Application of mild hyperthermia (39 °C) in combination with chemotherapy.
- Assessment of ovarian cancer cell line motility and metastasis using wound healing and clonogenic assays.
- Analysis of gene expression related to metastasis and heat shock proteins (Hsc70, HSP90A, HSP90B).
- Evaluation of mitochondrial membrane potential using JC-1 staining.
Main Results:
- Synthetic xanthone derivatives demonstrated enhanced anticancer activity.
- Mild hyperthermia (39 °C) significantly potentiated the anticancer effects of the xanthone derivatives.
- Combined therapy reduced ovarian cancer cell motility, wound healing, and clonogenic activity.
- Expression of metastasis-associated genes and heat shock proteins was significantly altered.
- Decreased mitochondrial membrane potential was observed in treated cells.
Conclusions:
- Chemical modification of xanthone structures can improve their anticancer properties.
- Mild hyperthermia acts synergistically with synthetic xanthone derivatives to enhance their efficacy.
- This combined approach offers a promising strategy for ovarian cancer treatment, potentially improving recovery rates and reducing drug cytotoxicity.
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