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New Salen-Type Manganese(Iii) Schiff Base Complexes Derived From Meso -1,2-Diphenyl-1,2-Ethylenediamine: In Vitro Anticancer Activity, Mechanism of Action, and Molecular Docking Studies Publisher



Damercheli M1 ; Dayyani D1 ; Behzad M1 ; Mehravi B2 ; Shafiee Ardestani M3
Authors
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Authors Affiliations
  1. 1. Departmentof Chemistry, Semnan University, Semnan, Iran
  2. 2. Faculty of Advanced Technology in Medicine, Department of Medical Nanotechnology, Iran University of Medical Sciences, Tehran, Iran
  3. 3. Faculty of Pharmacy, Department of Radiopharmacy, Tehran University of Medical Sciences, Tehran, Iran

Source: Journal of Coordination Chemistry Published:2015


Abstract

Four new manganese(III) Schiff base complexes (1-4) were synthesized and characterized. The complexes have general formula [MnClLx] in which L represents a Schiff base ligand derived from condensation of meso-1,2-diphenyl-1,2-ethylenediamine with salicylaldehyde or its 3-OMe-, 5-Br-, or 5-OMe-derivatives (x = 1-4, respectively). The crystal structure of [MnClL1] (1) was characterized by X-ray crystallography. The in vitro anticancer activity of these complexes was evaluated by MTT and apoptosis assays against human breast (MCF-7) and liver (Hep G2) cancer cells. The complexes exhibited considerable antiproliferative activity against both cell lines (IC50 = 10.8-21.02 M) comparable to cis-platin, except 4 (MCF-7). The highest activity was found for 1 with IC50 values of 13.62 M (MCF-7) and 10.8 M (Hep G2). Flow cytometry experiments showed that 1 induced apoptosis on MCF-7 tumor cell line. Docking simulations using AUTODOCK were also carried out. The results showed that all complexes fitted into the minor groove region of DNA. © 2015 Taylor & Francis.