Effects of Ultrasonic Waves on Breast Cancer Cell Line (MCF-7) Coupled with Zinger Officinale (GINGER) Extract Using Cell Viability and Comet Assay Tests

2017 ◽  
Author(s):  
Giermin Sahagun ◽  
Romeric F. Pobre
Keyword(s):  
Breast Cancer ◽  
Comet Assay ◽  
Cell Viability ◽  
Cell Line ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Cell Line ◽  
Ultrasonic Waves ◽  
Ginger Extract ◽  
Mcf 7

Comparison of the effects of nobiletin and letrozole on the activity and expression of aromatase in the MCF-7 breast cancer cell line

2017 ◽  
Vol 95 (4) ◽  
pp. 468-473 ◽  
Author(s):  
Seyedeh Tayebeh Rahideh ◽  
Mohammad Keramatipour ◽  
Mitra Nourbakhsh ◽  
Fariba Koohdani ◽  
Mostafa Hoseini ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Viability ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Cell Line ◽  
Dependent Manner ◽  
Mtt Assays ◽  
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Nobiletin (NOB) is one of the polymethoxyflavones mainly found in citrus fruits. Aromatase or cytochrome P450 (CYP19) enzyme catalyzes the last and rate-limiting step in estrogen biosynthesis. This study was carried out to investigate the effect of NOB on the activity and expression of aromatase, and to compare this property with letrozole (LET) as aromatase inhibitor in the MCF-7 breast cancer cell line. Cell viability was assessed with 3-(4,5-dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide (MTT) assays. Aromatase enzyme activity based on the conversion of androgenic substrate testosterone into 17β-estradiol was determined. CYP19 gene expression was measured by quantitative real-time PCR. MTT assays demonstrated that NOB at a concentration of 100 μmol/L decreased cell viability in a time-dependent manner (P < 0.05). NOB significantly inhibited aromatase at the concentration of 0.1 μmol/L (P = 0.013), whereas other concentrations had no effect. Treatment with 10 μmol/L and 1 μmol/L of NOB for 48 h significantly increased (P = 0.001) and decreased (P = 0.02) relative aromatase expression, respectively. The combination of LET and NOB had no effect on aromatase. This study showed for the first time that NOB decreases the activity and expression of aromatase at low concentrations in MCF-7 breast cancer cells.

scholarly journals ANTIPROLIFERATIVE AND ANTIOXIDANT EFFECTS OF ERUCA SATIVA (JARJEER) LEAVES EXTRACT ON CARCINOMA OF WOMEN’S BREAST

2021 ◽  
pp. 89-92
Author(s):  
SAFAA A DERBALA ◽  
MANAR E ELKADY ◽  
REHAB A ELBANHAWY ◽  
ABDEL-AZIZ AF
Keyword(s):  
Breast Cancer ◽  
Antioxidant Enzymes ◽  
Cell Viability ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Cell Line ◽  
Eruca Sativa ◽  
Mcf 7

Objective: This work aims to investigate the influence of Eruca sativa leaves extract on the cell viability of the breast carcinoma cell line (MCF-7). Methods: In vitro, breast cancer cell line (MCF-7) treated by E. sativa leaves extract for 48 h. The cell viability, proliferation, and apoptosis were assessed using colorimetric (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, flow cytometric technique, and antioxidant enzymes (superoxide dismutase [SOD] and catalase [CAT]) measurement. Results: This study demonstrated that the incubation of MGF-7 cells with E. sativa for 48 h caused a significative reduction in cell viability and proliferation of MGF-7 cell line. In parallel, E. sativa treatment induces a significant increase in apoptosis of MGF-7 cells compared to control. Moreover, flow cytometry analysis demonstrated that the inhibition of MGF-7 cell proliferation existed at the G2 and M phase in the cell-division cycle. Finally, the intracellular antioxidant enzymes SOD and CAT activities were significantly increased in the administered cells compared with unadministered MCF-7 cells. Conclusions: Taken together, E. sativa treatment reduces cell viability and proliferation concomitant with enhanced antioxidant enzymes expression and apoptosis of breast cancer cell line MGF-7. This may help in protection from breast cancer or preclinical recommendation.

scholarly journals Establishment and characterization of a new spontaneously immortalized ER−/PR−/HER2+ human breast cancer cell line, DHSF-BR16

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Stefania Nobili ◽  
Antonella Mannini ◽  
Astrid Parenti ◽  
Chiara Raggi ◽  
Andrea Lapucci ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Cancer Biology ◽  
Cancer Cell Line ◽  
Cancer Tissue ◽  
Endoplasmic Reticulum Membrane ◽  
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AbstractInvasive ductal carcinoma (IDC) constitutes the most frequent malignant cancer endangering women’s health. In this study, a new spontaneously immortalized breast cancer cell line, DHSF-BR16 cells, was isolated from the primary IDC of a 74-years old female patient, treated with neoadjuvant chemotherapy and disease-free 5-years after adjuvant chemotherapy. Primary breast cancer tissue surgically removed was classified as ER−/PR−/HER2+, and the same phenotype was maintained by DHSF-BR16 cells. We examined DHSF-BR16 cell morphology and relevant biological and molecular markers, as well as their response to anticancer drugs commonly used for breast cancer treatment. MCF-7 cells were used for comparison purposes. The DHSF-BR16 cells showed the ability to form spheroids and migrate. Furthermore, DHSF-BR16 cells showed a mixed stemness phenotype (i.e. CD44+/CD24−/low), high levels of cytokeratin 7, moderate levels of cytokeratin 8 and 18, EpCAM and E-Cadh. Transcriptome analysis showed 2071 differentially expressed genes between DHSF-BR16 and MCF-7 cells (logFC > 2, p-adj < 0.01). Several genes were highly upregulated or downregulated in the new cell line (log2 scale fold change magnitude within − 9.6 to + 12.13). A spontaneous immortalization signature, mainly represented by extracellular exosomes-, plasma membrane- and endoplasmic reticulum membrane pathways (GO database) as well as by metabolic pathways (KEGG database) was observed in DHSF-BR16 cells. Also, these cells were more resistant to anthracyclines compared with MCF-7 cells. Overall, DHSF-BR16 cell line represents a relevant model useful to investigate cancer biology, to identify both novel prognostic and drug response predictive biomarkers as well as to assess new therapeutic strategies.

Brominated phenols: characterization of estrogen-like activity in the human breast cancer cell-line MCF-7

2002 ◽  
Vol 129 (1-2) ◽  
pp. 55-63 ◽  
Author(s):  
Christel M Olsen ◽  
Elise T.M Meussen-Elholm ◽  
Jørn A Holme ◽  
Jan K Hongslo
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Human Breast Cancer ◽  
Cancer Cell Line ◽  
Human Breast Cancer Cell ◽  
Human Breast ◽  
Mcf 7

Human breast cancer cell inhibitory constituents from Tetradium ruticarpum

2021 ◽  
Vol 66 (1) ◽  
pp. 65-71
Author(s):  
Hung Nguyen Phi ◽  
Toan Tran Quoc ◽  
Tuan Nguyen Anh ◽  
Vy Trinh Ngoc Thao ◽  
Yen Ngo Thi Ngoc ◽  
...  
Keyword(s):  
Breast Cancer ◽  
Cell Line ◽  
Cancer Cell ◽  
Breast Cancer Cell ◽  
Breast Cancer Cell Line ◽  
Human Breast Cancer ◽  
Cancer Cell Line ◽  
Human Breast Cancer Cell ◽  
Human Breast ◽  
Mcf 7

Three alkaloids (named rutaecarpine (1), evodiamine (2), schinifoline (3) and one phenylpropanoid, integrifoliodiol (4)) have been isolated from the EtOAc extract of the fruits of Tetradium ruticarpum (A. Juss.) T. G. Hartley collected in Lang Son province. Their structures have been identified by using 1D and 2D NMR spectroscopies. All four compounds were tested for their cytotoxicity against the human breast cancer cell line (MCF-7) and tamoxifen-resistant breast cancer cell line (MCF\TAMR). The results showed that rutaecarpine (1) inhibited the growth of MCF7 and MCF\TAMR with its IC50 values of 41.2 and 64.6 µM, respectively. In addition, compounds 1, 2, and 4 showed moderate activity toward MCF-7 cell line.

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