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Metal Complexes in Drug Research

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Medicinal Chemistry".

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 3797

Special Issue Editor


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Guest Editor
Faculty of Physical Chemistry, University of Belgrade, Belgrade, Serbia
Interests: albumin; anticancer drugs; EPR spectroscopy & imaging; hydrogels; metals; spin labeling

Special Issue Information

Dear Colleagues,

Metals, each owing to their specific chemical properties and biological function, such as different coordination geometries, complex stability constants, redox properties, and transport across membranes, have found important applications in current drug research. Metals have been used in medicine for centuries, but certainly with Rosenberg’s discovery of cisplatin, the design and development of metallodrugs have gained full momentum. Metal-based compounds currently in clinical development have shown promising potential in the treatment of cancer, neurodegenerative, inflammatory, autoimmune, as well as psychiatric diseases. Metal complexes have also been shown to possess antimicrobial properties, including antibacterial, antiviral, antifungal and antiparasitic. The increased need for further development of new selective and efficient drugs is essential at this time, when the world battles global pandemics, and the rising problem of antimicrobial resistance.

This Special issue focuses on the design of novel, and the repurposing of old metallodrugs, their mechanism of interaction with biomolecular targets, and their role as metal-delivery vehicles to cells. Furthermore, the emphasis is on innovative analytical and physicochemical techniques used for the characterization of metals in drug discovery, and in vivo tracking and imaging.

Dr. Ana D. Popović-Bijelić
Guest Editor

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • antibacterial
  • anticancer
  • antimicrobial
  • metallodrug
  • metal imaging and tracking
  • SARS CoV 2

Published Papers (2 papers)

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Research

13 pages, 2154 KiB  
Article
Cytotoxicity Evaluation of Unmodified Paddlewheel Dirhodium(II,II)-Acetate/-Formamidinate Complexes and Their Axially Modified Low-Valent Metallodendrimers
by Stephen de Doncker, Eva Fischer-Fodor, Cătălin Ioan Vlad, Patriciu Achimas-Cadariu, Gregory S. Smith and Siyabonga Ngubane
Molecules 2023, 28(6), 2671; https://doi.org/10.3390/molecules28062671 - 15 Mar 2023
Cited by 1 | Viewed by 1608
Abstract
Two diphenyl formamidine ligands, four dirhodium(II,II) complexes, and three axially modified low-valent dirhodium(II,II) metallodendrimers were synthesized and evaluated as anticancer agents against the A2780, A2780cis, and OVCAR-3 human ovarian cancer cell lines. The dirhodium(II,II) complexes show moderate cytotoxic activity in the [...] Read more.
Two diphenyl formamidine ligands, four dirhodium(II,II) complexes, and three axially modified low-valent dirhodium(II,II) metallodendrimers were synthesized and evaluated as anticancer agents against the A2780, A2780cis, and OVCAR-3 human ovarian cancer cell lines. The dirhodium(II,II) complexes show moderate cytotoxic activity in the tested tumor cell lines, with acetate and methyl-substituted formamidinate compounds displaying increased cytotoxicity that is relative to cisplatin in the A2780cis cisplatin resistant cell line. Additionally, methyl- and fluoro-substituted formamidinate complexes showed comparable and increased cytotoxic activity in the OVCAR-3 cell line when compared to cisplatin. The low-valent metallodendrimers show some activity, but a general decrease in cytotoxicity was observed when compared to the precursor complexes in all but one case, which is where the more active acetate-derived metallodendrimer showed a lower IC50 value in the OVCAR-3 cell line in comparison with the dirhodium(II,II) tetraacetate. Full article
(This article belongs to the Special Issue Metal Complexes in Drug Research)
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18 pages, 2548 KiB  
Article
Preparation, Characterization and In Vitro Biological Activities of New Diphenylsulphone Derived Schiff Base Ligands and Their Co(II) Complexes
by Kundalkesha D. Gaikwad, Panchsheela Ubale, Rahul Khobragade, Sachin Deodware, Pratibha Dhale, Mahadev R. Asabe, Rekha M. Ovhal, Pranav Singh, Prashant Vishwanath, Chandan Shivamallu, Raghu Ram Achar, Ekaterina Silina, Victor Stupin, Natalia Manturova, Ali A. Shati, Mohammad Y. Alfaifi, Serag Eldin I. Elbehairi, Shashikant H. Gaikwad and Shiva Prasad Kollur
Molecules 2022, 27(23), 8576; https://doi.org/10.3390/molecules27238576 - 5 Dec 2022
Cited by 3 | Viewed by 1827
Abstract
The present work describes the chemical preparation of Schiff bases derived from 4,4′-diaminodiphenyl sulfone (L1–L5) and their Co(II) metal complexes. The evaluation of antimicrobial and anticancer activities against MCF-7 cell line and human lung cancer cell line A-549 was [...] Read more.
The present work describes the chemical preparation of Schiff bases derived from 4,4′-diaminodiphenyl sulfone (L1–L5) and their Co(II) metal complexes. The evaluation of antimicrobial and anticancer activities against MCF-7 cell line and human lung cancer cell line A-549 was performed. The aforementioned synthesized compounds are characterized by spectroscopic techniques and elemental analysis confirms successful synthesis. The results from the above analytical techniques revealed that the complexes are in an octahedral geometry. The antimicrobial activity of the synthesized Schiff base ligands and their metal complexes under study was carried out by using the agar well diffusion method. The ligand and complex interactions for biological targets were predicted using molecular docking and high binding affinities. Further, the anticancer properties of the synthesized compounds are performed against the MCF-7 cell line and human lung cancer cell line A-549 using adriamycin as the standard drug. Full article
(This article belongs to the Special Issue Metal Complexes in Drug Research)
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