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CEG-AgNPs 通过减轻细胞因子表达缓解 DMBA 诱导的乳腺癌发生。

CEG-AgNPs Ameliorates DMBA-Induced Mammary Carcinogenicity by Alleviating Cytokines Expression.

出版信息

Pak J Biol Sci. 2022 Jan;25(6):485-494. doi: 10.3923/pjbs.2022.485.494.

Abstract

<b>Background and Objective:</b> For more than a decade, breast cancer has been one of the most common forms of cancer among women around the world. The present article aimed to evaluate the protective activity of CEG-AgNPs against DMBA-induced mammary carcinoma. <b>Materials and Methods:</b> In this experimental study, green synthesis and characterization of CEG-AgNPs were carried as well as IC<sub>50</sub> against Mcf7 cell line and LD<sub>50</sub> on mice were evaluated. A total of 24 adult albino mice were divided into four groups six rats in each. Group I was given an equal amount of distilled water, group II was received 80 mg kg<sup></sup><sup>1</sup> b.wt., DMBA for 4 weeks, groups III and IV were treated with CEG-AgNPs (28.1 and 70.25 mg kg<sup></sup><sup>1</sup>) from the 5th week of DMBA administration for 4 weeks, respectively. <b>Results:</b> CEG-AgNPs were approximately 42.32±9.52 nm with a negative zeta potential of -17.44. It is IC<sub>50</sub> against the Mcf7 cell line and LD<sub>50</sub> is equal to 82.76 μg mL<sup></sup><sup>1</sup> and 1405 mg kg<sup></sup><sup>1</sup> b.wt., A significant normalization in plasma ALT, AST, AST and LDH as well as mammary MDA, TNF-α, IL-6, P53, SOD, GPx and GSH levels have been observed in CEG-AgNPs treated mice. Oral CEG-AgNPs administration has suppressed VEGF-C gene expression in DMBA-treated mice. <b>Conclusion:</b> The present results, biochemical, histological and MRI results showed that CEG-AgNPs have potent anticancer activity against DMBA-induced mammary carcinoma in mice by inducing the biosynthesizes of antioxidant biomarkers and suppression of cytokines gene expression.

摘要

<b>背景和目的:</b> 十多年来,乳腺癌一直是全世界女性最常见的癌症之一。本研究旨在评估 CEG-AgNPs 对 DMBA 诱导的乳腺癌的保护活性。<b>材料和方法:</b> 在这项实验研究中,进行了 CEG-AgNPs 的绿色合成和表征,以及对 Mcf7 细胞系的 IC<sub>50</sub>和对小鼠的 LD<sub>50</sub>进行了评估。总共 24 只成年白化小鼠被分为四组,每组 6 只大鼠。第 I 组给予等量的蒸馏水,第 II 组给予 80mgkg<sup></sup><sup>1</sup> b.wt.DMBA 4 周,第 III 组和第 IV 组分别从 DMBA 给药的第 5 周开始用 CEG-AgNPs(28.1 和 70.25mgkg<sup></sup><sup>1</sup>)治疗 4 周。<b>结果:</b> CEG-AgNPs 的粒径约为 42.32±9.52nm,zeta 电位为-17.44。它对 Mcf7 细胞系的 IC<sub>50</sub>和 LD<sub>50</sub>等于 82.76μgmL<sup></sup><sup>1</sup>和 1405mgkg<sup></sup><sup>1</sup> b.wt.,CEG-AgNPs 处理的小鼠血浆 ALT、AST、AST 和 LDH 以及乳腺 MDA、TNF-α、IL-6、P53、SOD、GPx 和 GSH 水平显著正常化。CEG-AgNPs 给药抑制了 DMBA 处理小鼠中 VEGF-C 基因的表达。<b>结论:</b> 本研究的生化、组织学和 MRI 结果表明,CEG-AgNPs 通过诱导抗氧化生物标志物的生物合成和抑制细胞因子基因表达,对 DMBA 诱导的小鼠乳腺癌具有较强的抗癌活性。

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