Department of Biochemistry, Faculty of Science, Port Said University, Port Said, Egypt.
Urology and Nephrology Center, Mansoura University, Mansoura, Egypt.
Life Sci. 2020 Dec 1;262:118503. doi: 10.1016/j.lfs.2020.118503. Epub 2020 Sep 29.
Cisplatin used as chemotherapy for various cancers may leads to accumulation of platinum within the kidney and disturb its function. Zinc oxide nanoparticles (ZnO-NPs) are of low toxicity nanomaterials and have many medical fields so this study aims to indicate ZnO-NPs effect in kidney injury induced by cisplatin. Adult male rats were pre-injected with one dose of ZnO-NPs (5 mg/kg IP) and after 2 h from injection, the rats were injected with also only one dose of cisplatin (6 mg/kg IP) and two additional groups were served as controls treated with either ZnO-NPs or cisplatin only, respectively, and normal control was involved and euthanization occurred after 7 and 12 days. Cisplatin-induced nephropathy increased kidney function parameters; serum creatinine, blood urea nitrogen and microalbuminuria. Conversely, these parameters were down regulated after ZnO-NPs treatment. ZnO-NPs reversed the decrease of renal superoxide dismutase, catalase and glutathione reductase and the increase of renal malondialdehyde induced by cisplatin. In addition, the annexin V demonstrated that the proportion of viable cells was significantly elevated and the proportion of apoptotic and necrotic cells significantly reduced. Also, the level of renal transforming growth factor beta 1 decreased in group pre-treated with ZnO-NPs. The Nuclear factor-E2-related factor, heme oxygenase-1 and endothelial nitric oxide synthase expression genes were up regulated while Bcl-2-associated X protein expression was down regulated in kidney tissue via ZnO-NPs. Histopathological and immunohistochemical observations were context with these findings. In conclusion, ZnO-NPs treatment revealed renoprotective effect against cisplatin drug, probably via its antioxidant, anti-inflammatory and antiapoptotic properties.
顺铂被用作治疗各种癌症的化疗药物,可能会导致铂在肾脏中积累,从而干扰其功能。氧化锌纳米粒子(ZnO-NPs)是一种低毒性的纳米材料,在许多医学领域都有应用,因此本研究旨在表明 ZnO-NPs 对顺铂诱导的肾损伤的作用。成年雄性大鼠预先注射一剂 ZnO-NPs(5mg/kg,腹腔注射),注射后 2 小时,大鼠也仅注射一剂顺铂(6mg/kg,腹腔注射),另外两组分别作为单独用 ZnO-NPs 或顺铂处理的对照组,还有一个正常对照组,在第 7 和 12 天处死。顺铂诱导的肾病增加了肾功能参数;血清肌酐、血尿素氮和微量白蛋白尿。相反,这些参数在 ZnO-NPs 治疗后下调。ZnO-NPs 逆转了顺铂引起的肾超氧化物歧化酶、过氧化氢酶和谷胱甘肽还原酶减少以及肾丙二醛增加。此外, Annexin V 表明活细胞的比例显著升高,凋亡和坏死细胞的比例显著降低。此外,ZnO-NPs 预处理组肾转化生长因子β 1 水平降低。核因子-E2 相关因子、血红素加氧酶-1 和内皮型一氧化氮合酶表达基因在肾组织中上调,而 Bcl-2 相关 X 蛋白表达下调。组织病理学和免疫组织化学观察与这些发现一致。总之,ZnO-NPs 治疗对顺铂药物具有肾保护作用,可能是通过其抗氧化、抗炎和抗凋亡特性。