Copper-tolfenamic acid: evaluation of stability and anti-cancer activity

Investigational New Drugs
Myrna HurtadoRiyaz Basha

Abstract

The non-steroidal anti-inflammatory drug, Tolfenamic acid (TA) acts as an anti-cancer agent in several adult and pediatric cancer models. Copper (Cu) is an important element with multiple biological functions and has gained interest in medical applications. Recently, [Cu(TA)2(bpy)] (Cu-TA) has been synthesized in order to enhance therapeutic activity. In this study, we synthesized Cu-TA using an established method, characterized it by UV visible spectroscopy and Fourier-transform infrared spectroscopy (FTIR), and tested its anti-cancer activity using twelve cell lines representing various cancers, such as Ewing sarcoma, glioblastoma, medulloblastoma, neuroblastoma, pancreatic and prostate. The anti-proliferative activity of Cu-TA was determined at 48 h post-treatment and compared with the parental compound, TA. The IC50 values were calculated using GraphPad Prism software. The biological stability of Cu-TA was evaluated using twelve-month-old powder and six-month-old stock solution. Cardiomyocytes (H9C2) were used to test the cytotoxicity in non-malignant cells. Cu-TA showed higher anti-proliferative activity, and the IC50 values were 30 to 80% lower when compared with TA. H9C2 cells were non-responsive to Cu-TA, suggesting tha...Continue Reading

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Citations

Apr 17, 2021·Journal of Medicinal Chemistry·Yi GouGuoJin Huang
Jun 2, 2021·Chemico-biological Interactions·Esther Blanco-PaniaguaGracia Merino

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