Related Experiment Video

Updated: Jun 18, 2025

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes
10:51

The Synthesis, Characterization and Reactivity of a Series of Ruthenium N-triphosPh Complexes

Published on: April 10, 2015

12.1K

Antimetastatic activity of (arene)ruthenium(II) complex of 4-aryl-4H-naphthopyran

Jitka Pracharova1, Tereza Cyrikova1, Michal Berecka1

  • 1Department of Biophysics, Faculty of Science, Palacky University, CZ-77900, Olomouc, Czech Republic.

Chemico-Biological Interactions
|August 1, 2024
PubMed

Insights

A novel ruthenium complex demonstrates potent antimetastasis activity against various cancer cell lines. This agent significantly inhibits cancer cell invasion, migration, and metastasis, offering a promising new avenue for chemotherapy.

Area of Science:

  • Medicinal Chemistry
  • Cancer Biology
  • Pharmacology

Background:

  • Metastatic cancer presents a significant therapeutic challenge, with limited efficacy of current antimetastasis drugs.
  • Developing novel agents to combat cancer metastasis is crucial for improving patient outcomes.

Purpose of the Study:

  • To evaluate the antimetastatic potential of a ruthenium-based complex, dichlorido(p-cymene)[2-amino-4-(pyridin-3-yl)-4H-benzo[h]-chromene-3-carbonitrile]ruthenium(II) (complex 1).
  • To compare the efficacy of complex 1 with cisplatin in preclinical models of metastasis.

Main Methods:

  • In vitro antiproliferative assays on metastatic LoVo, Du-145, and MDA-MB-231 cell lines.
  • Assessment of cell invasion, matrix metalloproteinase production, cell migration (wound healing, vimentin network analysis), and cell re-adhesion.
  • 3D spheroid invasion assay to evaluate inhibition of extracellular matrix infiltration.

Main Results:

  • Complex 1 exhibited significant antiproliferative activity against metastatic cell lines at nanomolar concentrations, outperforming cisplatin.
  • Complex 1 markedly reduced cell invasion, migration, and re-adhesion in MDA-MB-231 cells.
  • The 3D spheroid assay confirmed complex 1's ability to inhibit tumor spheroid invasion of the extracellular matrix.

Conclusions:

  • Ruthenium(II) complexes with naphthopyran ligands, such as complex 1, show considerable promise as potent antimetastatic agents.
  • Complex 1 represents a potential new therapeutic strategy for managing metastatic cancer.
  • Further investigation into (arene)ruthenium(II) complexes is warranted for developing novel chemotherapy treatments.
Keywords:
3D spheroidsAntimetastaticAntiproliferativeRutheniumVimentin

More Related Videos

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents07:20

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents

Published on: May 28, 2014

14.0K
Synthesis and Evaluation of a Ruthenium-based Mitochondrial Calcium Uptake Inhibitor07:12

Synthesis and Evaluation of a Ruthenium-based Mitochondrial Calcium Uptake Inhibitor

Published on: October 26, 2017

7.8K

Related Concept Videos

ortho–para-Directing Activators: –CH3, –OH, –⁠NH2, –OCH301:11

ortho–para-Directing Activators: –CH3, –OH, –⁠NH2, –OCH3

All ortho–para directors, excluding halogens, are activating groups. These groups donate electrons to the ring, making the ring carbons electron-rich. Consequently, the reactivity of the aromatic ring towards electrophilic substitution increases. For instance, the nitration of anisole is about 10,000 times faster than the nitration of benzene. The electron-donating effect of the methoxy group in anisole activates the ortho and para positions on the ring and stabilizes the corresponding...
6.0K
Nucleophilic Aromatic Substitution: Addition–Elimination (SNAr)01:30

Nucleophilic Aromatic Substitution: Addition–Elimination (SNAr)

Nucleophilic substitution in aromatic compounds is feasible in substrates bearing strong electron-withdrawing substituents positioned ortho or para to the leaving group. The reaction proceeds via two steps: the addition of the nucleophile and the elimination of the leaving group.
The reaction begins with an attack of the nucleophile on the carbon that holds the leaving group. This results in the delocalization of the π electrons over the ring carbons. The resonance interaction between...
3.8K
Physical Properties of Amines01:26

Physical Properties of Amines

Amines with low molecular weight are usually gaseous at room temperature, while those with high molecular weight are liquid or solids in nature. Usually, low molecular weight amines have a rotten fish-like smell. Diamines typically have a pungent smell. For instance, cadaverine and putrescine, depicted in Figure 1, are two molecules responsible for decaying tissue.
3.0K
Adrenergic Agonists: Chemistry and Structure-Activity Relationship01:16

Adrenergic Agonists: Chemistry and Structure-Activity Relationship

Adrenergic agonists' structure-activity relationship (SAR) determines their selectivity and efficacy. These agonists comprise a phenylethylamine moiety with an aromatic ring and an ethylamine side chain.
Aromatic ring substitutions: Substituting the aromatic ring with –OH groups at positions 3 and 4 yields catecholamines (e.g., epinephrine), which have a high affinity for adrenoceptors. Hydrogen bonding between –OH groups and receptors enhances adrenergic activity.
Separation of...
2.7K
meta-Directing Deactivators: –NO2, –CN, –CHO, –⁠CO2R, –COR, –CO2H01:13

meta-Directing Deactivators: –NO2, –CN, –CHO, –⁠CO2R, –COR, –CO2H

All meta-directing substituents are deactivating groups. These substituents withdraw electrons from the aromatic ring, making the ring less reactive toward electrophilic substitution. For example, the nitration of nitrobenzene is 100,000 times slower than that of benzene because of the deactivating effect of the nitro group. The first step in an electrophilic aromatic substitution is the addition of an electrophile to form a resonance-stabilized carbocation. The energy diagrams for...
5.5K
Diazonium Group Substitution: –OH and –H01:19

Diazonium Group Substitution: –OH and –H

Nitrous acid, a weak acid, is prepared in situ via the reaction of sodium nitrite with a strong acid under cold conditions. This nitrous acid prepared in situ reacts with primary arylamines to form arenediazonium salts. Such reactions are known as diazotization reactions. As shown in Figure 1, the formation of arenediazonium salts begins with the decomposition of nitrous acid in an acidic solution to give nitrosonium ions.
2.8K