Current pharmaceutical biotechnology · 2023
Chia Seeds Oil Suppresses the Resistance of Hepatocellular Carcinoma Cells to Liposomal-doxorubicin and Upregulates the Tumor Suppressor miRNAs.
СтатьяНазвание и аннотация: Перевод в очереди
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Tawfik Shaimaa A, Awad Els T, Abu Bakr Hoda O, Ahmed Ismail M, Ashour Esmat, Gamal-Eldeen Amira M
Аннотация
BACKGROUND: Chia seed is an oil seed with multiple biological activities. Doxorubicin is effective chemotherapy for liver cancer. Resistance and adverse effects are doxorubicin limitations.
OBJECTIVE: This study aimed to investigate the effect of chia seeds oil (CSO) on the resistance of HepG2 cells to liposomal-doxorubicin (DOX).
METHODS: The objective were investigated through measuring cytotoxicity, doxorubicin-metabolizing enzyme Cytochrome P450 3A4 (CYP-3A4), multidrug resistance-associated protein (MRP1), and the expression of multiple tumor suppressor microRNAs.
RESULTS: The findings indicated that low concentration of CSO increased HepG2 cells' sensitivity to DOX, as concluded from its higher cytotoxicity. DOX-induced mRNAs of CYP-3A4 and MRP1 and their protein levels. CSO inhibited both in DOX-treated cells. CSO-induced tumor suppressor miRNAs. Doxorubicin inhibited miR-122 and let-7/b/e expression, while it led to overexpression of let- 7a. CSO/DOX upregulated let-7/b/e, miR-34a, and miR-122 (which inhibits MRP1) and downregulated let-7a, which may lead to increased apoptosis.
CONCLUSION: CSO effectively re-sensitized HepG2 cells to liposomal-doxorubicin via inhibiting MRP1 and CYP-3A4, which may increase in vivo doxorubicin bioavailability and decrease its therapeutic dose to diminish its adverse effects.
OBJECTIVE: This study aimed to investigate the effect of chia seeds oil (CSO) on the resistance of HepG2 cells to liposomal-doxorubicin (DOX).
METHODS: The objective were investigated through measuring cytotoxicity, doxorubicin-metabolizing enzyme Cytochrome P450 3A4 (CYP-3A4), multidrug resistance-associated protein (MRP1), and the expression of multiple tumor suppressor microRNAs.
RESULTS: The findings indicated that low concentration of CSO increased HepG2 cells' sensitivity to DOX, as concluded from its higher cytotoxicity. DOX-induced mRNAs of CYP-3A4 and MRP1 and their protein levels. CSO inhibited both in DOX-treated cells. CSO-induced tumor suppressor miRNAs. Doxorubicin inhibited miR-122 and let-7/b/e expression, while it led to overexpression of let- 7a. CSO/DOX upregulated let-7/b/e, miR-34a, and miR-122 (which inhibits MRP1) and downregulated let-7a, which may lead to increased apoptosis.
CONCLUSION: CSO effectively re-sensitized HepG2 cells to liposomal-doxorubicin via inhibiting MRP1 and CYP-3A4, which may increase in vivo doxorubicin bioavailability and decrease its therapeutic dose to diminish its adverse effects.