Denise Egan, of the Institute of Technology Tallaght in Dublin, and colleagues published “In vitro anti-tumour and cyto-selective effects of coumarin-3-carboxylic acid and three of its hydroxylated derivatives, along with their silver-based complexes, using human epithelial carcinoma cell lines” and “A study of the role of apoptotic cell death and cell cycle events mediating the mechanism of action of 6-hydroxycoumarin-3-carboxylatosilver in human malignant hepatic cells” in 2007.
The two notices say the same thing:
This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).
This article has been retracted at the request of the Authors.
The Authors are unable to guarantee the accuracy of some of the figures in the paper, specifically in the presentation of some of the cellular morphologies and electrophoretic data.
The coumarin-3-carboxylic acid paper has been cited 53 times, according to Thomson Scientific’s Web of Knowledge, while the 6-hydroxycoumarin-3-carboxylatosilver paper has been cited 14.
We’ve contacted Egan and the editor of the journal, and will update with anything we learn.