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Combination of Cytochalasin H and zinc oxide nanoparticles in human breast cancer: an insight into apoptosis study

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Abstract

Nanoparticle-mediated combination therapies have significant impact on improving the therapeutic efficacy of cancer. The aim of the current work was to investigate the apoptotic efficacy of Zinc Oxid nanoparticles (ZnONPs) in combination with Cytochalasin H (CytoH) in human MCF-7 breast cancer cells. The anti cancer activity of combined treatment of CytoH and ZnONPs was performed using MTT assay, Annexin V-propidium iodide staining, Caspase assay, and Hoechst 33342 staining. Quantitative real-time polymerase chain reaction was conducted to detect of p53 as a tumor suppressor gene expression in cancerous cells. Also, measurement of ROS generation was performed using flow cytometry. According to the MTT assay results, the combination of CytoH and ZnONPs significantly decreased the viability of cancer MCF-7 cells than either CytoH or ZnONPs alone as compared with normal HEK293 cells. The experiments, such as caspase 8 and 9 assay and Hoechst 33342 staining, showed that the combined treatment of CytoH and ZnONPs significantly increased the level of cell apoptosis pathway as compared with breast cancer cells treated with CytoH or ZnONPs alone. As demonstrated by annexin V/PI detection assay, the percentage of apoptotic MCF-7 cells was significantly increased, following combined treatment with CytoH and ZnONPs as compared with CytoH or ZnONPs alone. Moreover, by comparing the combination of CytoH and ZnONPs to CytoH and ZnONPs alone the ability of combined treatment to up-regulate p53 gene expression was observed. The results of the present study showed that combination of CytoH and ZnONPs could have a powerful synergistic cytotoxic effect on breast cancer cell line. Moreover, this is the first report indicating a new insight into how CytoH and ZnONPs can enhance apoptosis and cell growth in breast cancer cells.

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Abbreviations

ANOVA:

One-way analysis of variance

CytoH:

Cytochalasin H

DCF-DA:

2′,7′–dichlorofluorescein diacetate

DCF:

2′, 7′ –dichlorofluorescin

DMSO:

Dimethyl sulfoxide

FBS:

Fetal bovine serum

GAPDH:

Glyceraldehyde-3-phosphate dehydrogenase

HEK293:

Human embryonic kidney 293

MTT:

3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide

PBS:

Phosphate-buffered saline

ROS:

Reactive oxygen species

ZnONPs:

Zinc Oxid nanoparticles

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Correspondence to Seyed Ataollah Sadat Shandiz.

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Baghbani-Arani, F., Sadat Shandiz, S. Combination of Cytochalasin H and zinc oxide nanoparticles in human breast cancer: an insight into apoptosis study. Biologia 76, 763–772 (2021). https://doi.org/10.2478/s11756-020-00611-x

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  • DOI: https://doi.org/10.2478/s11756-020-00611-x

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