Cytotoxicity of Triorganophosphine Gold(I) n-Mercaptobenzoates
Author Information
Author(s): Dick de Vos, Douglas R. Smyth, Edward R.T. Tiekink
Primary Institution: Medical Department, Pharmachemie B.V.
Hypothesis
The study investigates the cytotoxicity of triorganophosphine gold(I) n-mercaptobenzoates against human cell lines.
Conclusion
The new compounds show moderate to high toxicity, but are less potent than their 2-mercaptobenzoate counterparts.
Supporting Evidence
- The 2-mercaptobenzoate derivatives showed higher cytotoxicity compared to the 3- and 4-mercaptobenzoates.
- The most cytotoxic compound was Et3PAu(2-mbaH) with an ID50 value of 43 ng/ml against the IGROV cell line.
- Significant cytotoxicity was observed against non-small cell lung cancer and renal cancer cell lines.
Takeaway
The researchers tested some new gold compounds to see if they could kill cancer cells, and found that while they worked, they weren't as good as some other similar compounds.
Methodology
Cytotoxicity was assessed using the microculture sulforhodamine B (SRB) test on a panel of seven human cancer cell lines.
Limitations
The study does not confirm whether the observed cytotoxicity is maintained in vivo.
Participant Demographics
The study involved human cancer cell lines including breast, colon, ovarian, melanoma, and lung cancers.
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