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Apoptosis-inducing vanadocene compounds against human testicular cancer
P Ghosh1, O J D'Cruz, R K Narla
1Drug Discovery Program, Parker Hughes Institute, St. Paul, Minnesota 55113, USA.
Abstract:
We systematically assessed the cytotoxic effects of five metallocene dichlorides containing vanadium (vanadocene dichloride), titanium (titanocene dichloride), zirconium (zircodocene dichloride), molybdenum (molybdocene dichloride), and hafnium (hafnocene dichloride) as the central metal atom and 19 other vanadocene complexes. These compounds were tested against the human testicular cancer cell lines Tera-2 and Ntera-2 using both 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assays and apoptosis assays. Notably, only the vanadium(IV)-containing metallocenes exhibited significant cytotoxicity against Tera-2 and Ntera-2 cells and induced apoptosis within 24 h. Vanadocenes with dithiocyanate [VCp2(SCN)2 x 0.5 H2O] and diselenocyanate [VCp2(NCSe)2] as ancillary ligands were identified as the most potent cytotoxic compounds. Vanadocenes, especially the lead compound VCp2(NCSe)2, may be useful in the treatment of testicular cancer.
Insights
Vanadium metallocenes show significant cytotoxicity against testicular cancer cells. Vanadocene diselenocyanate (VCp2(NCSe)2) is a potent compound for potential testicular cancer treatment.
Area of Science:
- Organometallic Chemistry
- Cancer Research
- Toxicology
Background:
- Metallocene complexes are investigated for their therapeutic potential.
- Testicular cancer remains a significant health concern requiring novel treatment strategies.
Purpose of the Study:
- To evaluate the cytotoxic effects of various metallocene dichlorides and vanadocene complexes.
- To identify potent compounds for the treatment of human testicular cancer cell lines.
Main Methods:
- Systematic assessment of five metallocene dichlorides (vanadocene, titanocene, zircodocene, molybdocene, hafnocene) and 19 vanadocene complexes.
- Cytotoxicity testing using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assays.
- Apoptosis assays were conducted on Tera-2 and Ntera-2 human testicular cancer cell lines.
Main Results:
- Only vanadium(IV)-containing metallocenes demonstrated significant cytotoxicity against both cell lines.
- These vanadium compounds induced apoptosis within 24 hours.
- Vanadocene dithiocyanate [VCp2(SCN)2 x 0.5 H2O] and diselenocyanate [VCp2(NCSe)2] were the most potent cytotoxic agents.
Conclusions:
- Vanadocene complexes exhibit promising anti-cancer activity against testicular cancer.
- VCp2(NCSe)2 shows potential as a lead compound for developing new testicular cancer therapies.