On the Mechanism of Action of Dibenzo-18-crown-6 Diacyl-Derivatives on Malignant Tumors

Mirkhodjaev, Ulugbek Zakirovich; Boldyrev, V.A.; Yarishkin, Oleg; Tashmukhamedov, B.A.

doi:10.1007/s10847-005-2021-z

Cited by 3 publications

(2 citation statements)

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“…Interestingly, in all experiments described above, the crown ether moieties alone were not tested in parallel with the crown‐ether‐substituted derivatives in order to assess their independent activity. In general, there are limited reports on the antiproliferative activity of crown ethers in mammalian cells,70, 89 although it has been known for more than 20 years that ionophores such as valinomycin, an antibiotic with potassium‐selective ionophoric activity, have been reported to display strong antitumor effects 90. Its use has been limited by its extreme toxicity, yet it was shown that this toxicity could be decreased by incorporating valinomycin in liposomes, while maintaining or even enhancing its antitumor activity 91.…”

Section: Biological Activity Of Crown Ethersmentioning

confidence: 99%

“…Mirkhodjaev and co‐workers studied the mechanism of antitumor action in vivo of diacetyl‐, divaleryl‐, and dinonanoyldibenzo‐18‐crown‐6. They concluded that diacetyldibenzo‐18‐crown‐6 inhibited tumor growth by blocking the Ca 2+ channels of tumor cells, whereas divalerildibenzo‐18‐crown‐6, acting as a Ca 2+ ionophore, even stimulated the growth of rat sarcoma tumors 89…”

Section: Biological Activity Of Crown Ethersmentioning

confidence: 99%

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Biomedical Potentials of Crown Ethers: Prospective Antitumor Agents

2008

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Crown ethers are of enormous interest and importance in chemistry, biochemistry, materials science, catalysis, separation, transport and encapsulated processes, as well as in the design and synthesis of various synthetic systems with specific properties, diverse capabilities, and programmable functions. Classical crown ethers are macrocyclic polyethers that contain 3-20 oxygen atoms separated from each other by two or more carbon atoms. They are exceptionally versatile in selectively binding a range of metal ions and a variety of organic neutral and ionic species. Crown ethers are currently being studied and used in a variety of applications beyond their traditional place in chemistry. This review presents additional applications and the ever-increasing biomedical potentials of these intriguing compounds, with particular emphasis on the prospects of their relevance as anticancer agents. We believe that further research in this direction should be encouraged, as crown compounds could either induce toxicities that are different from those of conventional antitumor drugs, or complement drugs in current use, thereby providing a valuable adjunct to therapy.

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Section: Biological Activity Of Crown Ethersmentioning

confidence: 99%

Section: Biological Activity Of Crown Ethersmentioning

confidence: 99%

Biomedical Potentials of Crown Ethers: Prospective Antitumor Agents

2008

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Furan and Thiophene Based Cycloheterophane Esters and Thioesters: Synthesis, Antimicrobial Activities, and DFT Calculations

et al. 2023

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ATCC 10231. Macrocyclic thioesters were found more efficient against selected microorganisms than other compounds, especially the thioester with thiophene ring notably showed results as effective as reference antibiotic AMP (ampicillin) against Staphylococcus aureus bacteria. DFT calculations on synthesized macromolecules provided insights into their 3dimensional geometries and electronic properties.

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