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MMP29 基因表达评估及载银纳米粒子对结肠癌细胞系(HT29)的影响。

Assessment of MMP29 Gene Expression and Silver Nanoparticles Effects on Colon Cancer Cell Line (HT29).

机构信息

Department of Biology, College of Science, Mustansiryiah University, Baghdad, Iraq.

Biology Department, College of Science, Mustansiryah University, Baghdad, Iraq.

出版信息

J Gastrointest Cancer. 2020 Jun;51(2):560-563. doi: 10.1007/s12029-019-00289-8.

Abstract

BACKGROUND

Colon cancer is a major cause of death around the world. The evaluation of novel approaches on corresponding genes would be a vital strategy toward eradication of cancer cells. In this study, the toxicity of silver nanoparticle on the colon cancer cell line (HT29) and expression of matrix metalloproteinase (MMP29) gene was investigated.

MATERIALS AND METHODS

The silver nanoparticle (AgNPs) was synthesized and assessed by transmission electron microscopy (TEM). The cytotoxicity of synthesized AgNP on the HT29 cell line was evaluated using the MTT assay. Furthermore, the expression of MMP29 gene was investigated by the quantitative real-time PCR (RT-qPCR).

RESULTS

The TEM results revealed that the fabricated AgNPs were mostly spherical in shape and had an average diameter of 22 nm. The results outlined that AgNPs significantly decreased the viability of cells in a dose- and time-dependent manner (p < 0.001). Additionally, we observed a significant difference among various concentrations.

CONCLUSION

The findings indicated that the green fabricated AgNPs have the potential as a promising approach toward the colon cancer therapy. Furthered studies are essential to evaluate against other cancer cell lines and genes participating in the cancer progress.

摘要

背景

结肠癌是全球主要的死亡原因之一。评估新型方法在相应基因上的效果将是消除癌细胞的重要策略。本研究旨在探讨银纳米粒子对结肠癌细胞系(HT29)的毒性作用和基质金属蛋白酶(MMP29)基因的表达。

材料与方法

采用透射电子显微镜(TEM)合成和评估银纳米粒子(AgNPs)。通过 MTT 法评估合成的 AgNP 对 HT29 细胞系的细胞毒性。此外,通过实时定量 PCR(RT-qPCR)研究 MMP29 基因的表达。

结果

TEM 结果表明,所制备的 AgNPs 大多呈球形,平均直径为 22nm。结果表明,AgNPs 以剂量和时间依赖的方式显著降低细胞活力(p<0.001)。此外,我们观察到不同浓度之间存在显著差异。

结论

研究结果表明,绿色合成的 AgNPs 具有作为结肠癌治疗有前途的方法的潜力。进一步的研究对于评估其他癌细胞系和参与癌症进展的基因至关重要。

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