A series of ruthenium complexes containing bis-benzimidazole derivatives have been synthesized and identified as able to target mitochondria and induce caspase-dependent apoptosis in cancer cells through superoxide overproduction.
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Transition metal complexes: next-generation photosensitizers for combating Gram-positive bacteria.
Future Med Chem
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Department of Biophysics, School of Basic Medical Sciences, Health Science Centre, Xi'an Jiaotong University, Xi'an, Shaanxi, P. R., China.
The rise of antibiotic-resistant Gram-positive bacterial infections poses a significant threat to public health, necessitating the exploration of alternative therapeutic strategies. A photosensitizer (PS) can convert energy from absorbed photon into reactive oxygen species (ROS) for damaging bacteria. This photoinactivation action bypassing conventional antibiotic mechanism is less prone to resistance development, making antibacterial photodynamic therapy (aPDT) highly efficient in combating Gram-positive bacteria.
View Article and Find Full Text PDFHalf-Sandwich Organometallic Ir(III) and Ru(II) Compounds and their Interactions with Biomolecules.
Chempluschem
January 2025
Faculty of Chemistry, University of Wrocław, ul. F. Joliot-Curie 14, 50-383, Wrocław, Poland.
This review highlights how a Ir(III) and Ru(II) coordination complexes can change theirs cytotoxic activity by interacting with a biomolecules such as deoxyribonucleic acid (DNA), human albumins (HSA), nicotinamide adenine dinucleotide (NADH), and glutathione (GSH). We have selected biomolecules (DNA, NADH, GSH, and HSA) based on their significant biological roles and importance in cellular processes. Moreover, this review may provide useful information for the development of new half-sandwich Ir(III) and Ru(II) complexes with desired properties and relevant biological activities.
View Article and Find Full Text PDFRuthenium-Catalyzed Remote Trifunctionalization of Non-Activated Alkenes via Cyano Migration and -C(sp)-H Functionalization.
Org Lett
January 2025
College of Chemistry and Materials Science, Sichuan Normal University, Chengdu, 610068, People's Republic of China.
A novel Ru-catalyzed radical-triggered trifunctionalization of hexenenitriles is presented, employing a strategy of remote cyano group migration and -C(sp)-H functionalization. Through remote cyano migration, the alkenyl moiety undergoes difunctionalization to the formation of a benzylic radical intermediate. This intermediate facilitates -selective C-H bond addition relative to the C-Ru bond within the Ru(III) complex, ultimately enabling trifunctionalization.
View Article and Find Full Text PDFSynthesis and Evaluation of Cytotoxic Activity of RuCp(II) Complexes Bearing (Iso)nicotinic Acid Based Ligands.
Pharmaceuticals (Basel)
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Centro de Química Estrutural, Institute of Molecular Sciences, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal.
Background/objectives: Cancer remains one of the major challenges of our century. Organometallic ruthenium complexes are gaining recognition as a highly promising group of compounds in the development of cancer treatments.
Methods: Building on the auspicious results obtained for [Ru(η-CH)(PPh)(bipy)][CFSO] (TM34), our focus has shifted to examining the effects of incorporating bioactive ligands into the TM34 framework, particularly within the cyclopentadienyl ring.
Ruthenium(II) Complex with 1-Hydroxy-9,10-Anthraquinone Inhibits Cell Cycle Progression at G0/G1 and Induces Apoptosis in Melanoma Cells.
Pharmaceuticals (Basel)
January 2025
Instituto de Química, Universidade Federal de Alfenas (UNIFAL-MG), Alfenas 37130-000, MG, Brazil.
Background: Melanoma is the most aggressive and lethal skin cancer that affects thousands of people worldwide. Ruthenium complexes have shown promising results as cancer chemotherapeutics, offering several advantages over platinum drugs, such as potent efficacy, low toxicity, and less drug resistance. Additionally, anthraquinone derivatives have broad therapeutic applications, including melanoma.
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