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Inhibition of Growth and Migration of Esophageal Squamous Cell Carcinoma Cells by Orange Peel Extract and Naringin
Mahboubeh Tajaldini, Firooz Samadi, Ayyoob Khosravi, Azim Ghasemnejad, Jahanbakhsh Asadi,
Volume 14, Issue 2 (Mar-Apr 2020)
Abstract
ABSTRACT
            Background and Objectives: Citrus fruits and their constituents especially naringin (NR), a natural predominant flavanone, have a wide range of pharmacological activities without toxicity against cancer cells. The aim of this study was to investigate the anticancer effects of orange peel extract (OPE) and naringin (NR) on esophageal squamous cell carcinoma (ESCC) cells.
            Methods: Amount of phenol, flavonoid and antioxidants in OPE was determined using Folin-Ciocalteu procedure, aluminum chloride colorimetric and DPPH assays, respectively. Effects of NR and OPE on viability, wound healing assay and DNA fragmentation using DAPI were investigated. Data were analyzed by ImageJ software and GraphPad Prism 6.0 at significance of 0.05.
            Results: Total amount of phenols, flavonoids and 1,1-diphenyl-2-picrylhydrazyl was 2.83, 2.143 and 60.76 g/100g of OPE. Amount of NR in the dried OPE was estimated to be 5.260 (µg/gr) using high-performance liquid chromatography. Treatment of ESCC cells with OPE or NR decreased viability y of cancer cells in a dose-dependent manner. In addition, both OPE and NR were able to decrease cell migration and increase DNA fragmentation.
            Conclusion: The findings of our study suggest that OPE and NR have anticancer effects on ESCC cells but the anticancer effects of OPE was better than that of NR alone.
            Keywords: Orange peel extract, Naringin, Migration, Esophageal squamous cell carcinoma.


Docetaxel Toxicity Optimization in Esophageal Squamous Cell Carcinoma Cell Line YM-1: A Study of Cell Cycle and Doubling Time Effect
Boshra Haghi, Marie Saghaeian Jazi, Mahdi Zarie, Ayyoob Khosravi, Mahboubeh Tajaldini, Jahanbakhsh Asadi,
Volume 15, Issue 2 (Mar-Apr 2021)
Abstract
Background and objectives: Docetaxel is a chemotherapeutic agent commonly used for treatment of many cancers, including esophageal squamous cell carcinoma. Docetaxel induces G2/M phase cell cycle arrest and ultimately cell death. In this study, we aimed to assess the effects of docetaxel on YM1 cells considering exposure time and dose.
Methods: After calculating the doubling time of YM1 cells, the anti-proliferative effect of different concentrations of docetaxel () [A1]  after 24, 48 and 72 hours was assessed by the standard colorimetric assay. In addition, the effect of docetaxel on cell cycle was evaluated by flow cytometry.
Results: The results showed that docetaxel toxicity was not significant until 24 hours at the tested concentrations (P>0.05). In addition, the effect of docetaxel on the cells was time-dependent at all tested concentrations. Overall, the duration of exposure to docetaxel had more significant role in docetaxel toxicity in YM1 cells compared to concentration.
Conclusion: Our findings suggest that the cytotoxicity of docetaxel on YM1 cells is time-dependent.
 [A1]Please write the concentrations

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