ReferenceID 1224
Anticancer effects of asiatic acid against doxorubicin-resistant breast cancer cells via an AMPK-dependent pathway in vitro
Phytomedicine
BACKGROUND AND PURPOSE: Asiatic acid is one of the active compounds isolated from Centella asiatica and has been used to treat many diseases, including hypertension, pulmonary fibrosis, and cancer. It exhibits anticancer
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- Reference Id
- 1224
- Evidence Id
- 17814
- Core Evidence Id
- 17814
- Source Reference Id
- 2435
- Herb2 Reference Id
- HBREF003232
- Subject Paper Key
- HBIN017057_34560519
- Pubmed Id
- 34560519
- Doi
- 10.1016/j.phymed.2021.153737
- Paper Title
- Anticancer effects of asiatic acid against doxorubicin-resistant breast cancer cells via an AMPK-dependent pathway in vitro
- Paper Abstract
- BACKGROUND AND PURPOSE: Asiatic acid is one of the active compounds isolated from Centella asiatica and has been used to treat many diseases, including hypertension, pulmonary fibrosis, and cancer. It exhibits anticancer effects in many cancers, such as ovarian, lung and colon cancer; however, its anticancer effects in breast cancer and the underlying mechanism are not fully understood. Chemoresistance is often induced after the use of chemotherapy, and it is a challenging problem in cancer therapy. The effects of asiatic acid on chemoresistance in breast cancer have never been studied. Therefore, the aim of the present study was to examine the anticancer effects of asiatic acid in doxorubicin-resistant breast cancer MCF-7 cells. METHODS: The cells were incubated with asiatic acid at 0-160 muM for 2-24 h. Cell viability and cytotoxicity were evaluated by 3-[4, 5-dimethyl-2-thiazolyl]-2,5-diphenyltetrazolium bromide (MTT) and lactate dehydrogenase (LDH) assays. Florescent images were taken using a confocal microscope. P-gp function and apoptosis assays were performed using flow cytometry. Caspase activity was measured with the Caspase-Glo Assay System. The phosphorylation and expression of relevant proteins were assessed by western blots. Molecular docking was performed and scored by AutoDock. Cellular thermal shift assay (CETSA) was applied for experimental valuation. RESULTS: Our data demonstrated that asiatic acid induced cell death in multiple ways, including reactive oxygen species production, adenosine triphosphate (ATP) content reduction, and adaptive immunity balance via intrinsic apoptosis, AMP-activated protein kinase (AMPK), programmed death-ligand 1 (PD-L1), and indirect nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kappaB) transcriptional pathways, using experimental validation and in silico analysis. Moreover, asiatic acid also enhanced the sensitivity of doxorubicin-resistant MCF-7 cells to doxorubicin by improving P-glycoprotein (P-gp) function. CONCLUSIONS: This study provides evidence that asiatic acid has strong anticancer effects to reverse multidrug resistance and could be developed as a promising adjuvant drug for the treatment of chemoresistant cancer.
- Journal
- Phytomedicine
- Publish Year
- 2021
- Experiment Subject
- doxorubicin-resistant breast cancer mcf-7 cells; doxorubicin-resistant mcf-7 cells
- Experiment Type
- Cell Experiment
- Phenotype Related
- Cancers; Ovarian, Lung And Colon Cancer; Breast Cancer; Chemoresistance; Cancer; Doxorubicin-resistant Breast Cancer; Chemoresistant Cancer; Pulmonary Fibrosis; Hypertension
- Paper Title Cn
- Paper Title En
- Anticancer effects of asiatic acid against doxorubicin-resistant breast cancer cells via an AMPK-dependent pathway in vitro
- Bilingual Status
- semi_complete