The Cytotoxic Effect of Cecropin A and Cecropin B on the MDA-MB-231 and M14K Tumour Cell Lines

DOI: 10.4236/jbise.2014.78052   PDF   HTML     2,657 Downloads   3,551 Views   Citations


The aim of the present in vitro study was to assess the tumoricidal potential of the following natural peptides belonging to the Cecropin family, namely Cecropin A and B, on a series of tumour cell lines: MDA-MB-231 (breast adenocarcinoma) and M14K (human mesothelioma). The experimental results reveal that the cytotoxic effects of the two peptides depend on their concentration. Their efficiency is significant at 120 μM concentrations and it persists even at 60 μM concentrations. The effects were insignificant at 30 μM concentrations. On the other hand, the cytotoxic potential was not significantly dependant on the type of peptide but more on the type of tumour cell line used. The MDA MB 231 line cells were much more sensitive to the action of Cecropins A and B than the M14K line cells. The prospects brought about by this experimental research consist of the collection of in vitro experimental data on the tumoricidal potential of these natural cytotoxic peptides on tumour cells. This will enable specialists to develop future in vivo experimental models in order to test the antitumor effect of these cytotoxic peptides. The ultimate goal would be the discovery of agents with efficient antitumor properties, i.e. with maximum tumoricidal effects and minimum toxic side effects.

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Anghel, R. , Jitaru, D. , Badescu, L. , Ciocoiu, M. and Badescu, M. (2014) The Cytotoxic Effect of Cecropin A and Cecropin B on the MDA-MB-231 and M14K Tumour Cell Lines. Journal of Biomedical Science and Engineering, 7, 504-515. doi: 10.4236/jbise.2014.78052.

Conflicts of Interest

The authors declare no conflicts of interest.


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