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[Synergistic effect of beta-elemene injection combined paclitaxel injection on human breast cancer MB-468 cells: an in vitro study].

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OBJECTIVE To observe the synergistic effect of beta-elemene Injection (betaI) combined Paclitaxel Injection (PI) on breast cancer MB-468 cells and to study possible mechanisms. METHODS Breast cancer MB-468 cells were treated with betaI (2.5, 5.0, 10.0, 20.0, 40.0, 80.0, 160.0, 320.0, and 640.0

[Reversal of resistance to adriamycin in human breast cancer cell line MCF-7/ADM by beta-elemene].

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OBJECTIVE To study the reversal mechanism of adriamycin (ADM) resistance in human breast cancer cell line MCF-7/ADM by beta-elemene (beta-ELE), a wide spectrum anticancer drug derived from the Chinese herb Curcuma chaeocaulis. METHODS Sensitivity to ADM of MCF-7/ADM cells was studied by MTT assay.

β-Elemene Reverses Chemoresistance of Breast Cancer Cells by Reducing Resistance Transmission via Exosomes.

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BACKGROUND Currently, exosomes that act as mediators of intercellular communication are being researched extensively. Our previous studies confirmed that these exosomes contain microRNAs (miRNAs) that could alter chemo-susceptibility, which is partly attributed to the successful intercellular

β-elemene decreases cell invasion by upregulating E-cadherin expression in MCF-7 human breast cancer cells.

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Inactivation of E-cadherin results in cell migration and invasion, hence leading to cancer aggressiveness and metastasis. Downregulation of E-cadherin is closely correlated with a poor prognosis in invasive breast cancer. Thus, re-introducing E-cadherin is a novel strategy for cancer therapy. The

Inhibitory effect of β-elemene on human breast cancer cells.

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It has been approved for the clinical application of β-elemene to treat various cancers mainly brain tumors in China. In the present study, we found that β-elemene significantly inhibited the in vitro growth of human breast cancer cells by inducing apoptosis. In addition, β-elemene also induced the

13,14-bis(cis-3,5-dimethyl-1-piperazinyl)-β-elemene, a novel β-elemene derivative, shows potent antitumor activities via inhibition of mTOR in human breast cancer cells.

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Elemene has been approved for the treatment of advanced cancer in China, however, it inhibits cell growth only at high concentrations and is an essential oil with poor water solubility and stability. The discovery of new β-elemene derivatives is of increasing interest. We recently reported that the

Beta-elemene blocks epithelial-mesenchymal transition in human breast cancer cell line MCF-7 through Smad3-mediated down-regulation of nuclear transcription factors.

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Epithelial-mesenchymal transition (EMT) is the first step required for breast cancer to initiate metastasis. However, the potential of drugs to block and reverse the EMT process are not well explored. In the present study, we investigated the inhibitory effect of beta-elemene (ELE), an active

β-elemene reverses chemoresistance of breast cancer via regulating MDR-related microRNA expression.

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BACKGROUND Multidrug resistance (MDR) directly contributes to the clinical failure of chemotherapy in breast cancer (BCA). β-elemene is a natural antitumor drug from plants. We previously confirmed that MDR could be reversed by β-elemene. In this study, we intended to investigate the reversal effect

Effect of β-elemene on the kinetics of intracellular transport of d-luciferin potassium salt (ABC substrate) in doxorubicin-resistant breast cancer cells and the associated molecular mechanism.

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In order to explore the mechanism of the reversing multidrug resistance (MDR) phenotypes by β-elemene (β-ELE) in doxorubicin (DOX)-resistant breast cancer cells (MCF-7/DOX), both the functionality and quantity of the ABC transporters in MCF-7/DOX were studied. Bioluminescence imaging (BLI) was used

Preliminary study of the effects of β-elemene on MCF-7/ADM breast cancer stem cells.

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We examined expression differences in breast cancer stem cells (BCSCs) of the doxorubicin-resistant breast cancer cell line MCF-7/ADM and doxorubicin-sensitive cell line MCF-7/S. The effects of Chinese medicine β-elemene on BCSCs and resistance protein expression were determined. The serum-free cell

Beta-elemene inhibits breast cancer metastasis through blocking pyruvate kinase M2 dimerization and nuclear translocation.

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Pyruvate kinase M2 (PKM2), playing a central role in regulating aerobic glycolysis, was considered as a promising target for cancer therapy. However, its role in cancer metastasis is rarely known. Here, we found a tight relationship between PKM2 and breast cancer metastasis, demonstrated by the

β-Elemene Enhances the Chemotherapeutic Effect of 5-Fluorouracil in Triple-Negative Breast Cancer via PI3K/AKT, RAF-MEK-ErK, and NF-κB Signaling Pathways

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Background: The most common chemotherapeutic drug for triple-negative breast cancer (TNBC) treatment is 5-fluorouracil (5-FU), but its therapeutic index is low due to its toxicity. β-Elemene (ELE) possesses antitumor activity against

Reversion of multidrug resistance in a chemoresistant human breast cancer cell line by β-elemene.

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BACKGROUND Multidrug resistance (MDR) presents a problem in cancer chemotherapy, and developing new agents to overcome MDR is important. This study intends to investigate the reversal effect of -elemene on MDR in human breast carcinoma MCF-7 and doxorubicin-resistant MCF-7 cells. METHODS MTT

β-Elemene inhibits the metastasis of multidrug-resistant gastric cancer cells through miR-1323/Cbl-b/EGFR pathway.

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β-Elemene is a natural agent extracted from the traditional Chinese herbal medicine Curcuma wenyujin that is a promising novel plant-derived drug with broad-spectrum anticancer activity. Our previous study identified an enhanced capacity for metastasis in multidrug resistant (MDR)

Analysis of Chemical Composition and Assessment of Antioxidant, Cytotoxic and Synergistic Antibacterial Activities of Essential Oils from Different Plant Parts of Piper boehmeriifolium.

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The essential oils (EOs) from leaves, stems, and whole plant of Piper boehmeriifolium were analyzed using GC/FID and GC/MS. The main constituents of P. boehmeriifolium EOs were β -caryophyllene, caryophyllene oxide, β -elemene, spathulenol, germacrene D, β -selinene, and neointermedeol. The

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