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Prof. Enas Mahmoud Mohamed Ibrahim Mekawi :: Publications:

Title:
The efficiency of blackberry loaded AgNPs, AuNPs and Ag@AuNPs mediated pectin in the treatment of cisplatin-induced cardiotoxicity in experimental rats
Authors: 2. Hussein, J., El-Naggar, M.E., Fouda, M.M., Morsy, O.M., Ajarem, J.S., Almalki, A.M., Allam, A.A. and Mekawi, E.M.
Year: 2020
Keywords: Keywords: Pectin Core shell nanoparticles Blackberry extract Troponine1 Cisplatin Cardiovascular disease
Journal: International Journal of Biological Macromolecules
Volume: 159
Issue: Not Available
Pages: 1084-1093
Publisher: Not Available
Local/International: International
Paper Link: Not Available
Full paper Enas Mahmoud Mohamed Ibrahim Mekawi_The efficiency of blackberry loaded AgNPs, AuNPs and Ag@AuNPs.pdf
Supplementary materials Not Available
Abstract:

Cisplatin (cis-Diaminedichloroplatinum) is one of the most effective chemotherapeutic because of its antineoplastic properties against various types of tumor.However, it has awide variety of side effects such as hepato, gastrointestinal, neuro, nephro, and cardiotoxicity (acute and/or chronic) that highly restricted its usage. Thus, research work was planned to detect the role of gold (AuNPs), silver nanoparticles (AgNPs) and their corepshell (Ag@AuNPs) as a carrier for blackberry extract and to enhance its benifit in treatment of cisplatin-induced cardiotoxicity. In our work, solid-state process was used in order to prepare these nanoparticles using pectin as an ecologically friendly-polymer acting as reductant for ions and at the same time as stabilizing agent for the produced nanoparticles. This nominated method for large-scale preparation of nanoparticles is simple, efficient, and convenient. The presence of individual metallic Ag, Au and both has been proven by UV-vis spectroscopy. Transmission electronmicroscopy (TEM) and particle size analyzer confirmed the preparation of spherical small sizewith a main diameter b40 nm. The data obtained fromzeta potential evaluation displayed thewell stabilization for the produced nanoparticles. Transmission electron microscopy (TEM), scanning electron microscopy (SEM) and particle size analyzer have verified that the spherical small size is b40 nm in diameter. Data from zeta potential assessment revealed the good stability of the produced nanoparticles. To this end, fifty sex rats were used in this study and divided into control, cisplatin (cispt), and five treated groups. After the experimental period, lipid profile was estimated and atherogenic coefficient (AC), atherogenic index (AI), and cardiac risk ratio (CRR)were calculated.Oxidant and antioxidant parameterswere also estimated. Cardiovascular disease markers were estimated by ELISA. The mean levels of cholesterol, triglycerides, malondialdehyde (MDA), advanced oxidative protein products (AOPP), and cardiovascular markers were significantly increased in cispt group compared to control;whereas these parameterswere attenuated in all treated groups in particular that received blackberry (bb) loaded Ag@AuNPs. Based on these results, it can be concluded that bb has antioxidant and antilipidemic effect that help in protecting against cardiovascular disease specially when loadedwith Ag@AuNPs. © 2020 Elsevier B.V. All rights reserved.

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