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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Identification of novel proteins associated with the development of chemoresistance in malignant melanoma using two-dimensional electrophoresis.

A model system for studying chemoresistance in human melanoma cells (MeWo) has been established utilizing the four commonly used cytotoxic drugs vindesine, cisplatin, fotemustine and etoposide to yield stable drug-resistant sublines. We analyzed phenotypical differences between MeWo cells and their chemoresistant counterparts using two-dimensional electrophoresis. Proteins that were overexpressed in chemoresistant cell lines were purified and identified using matrix assisted laser desorption/ionization-time of flight - mass spectrometry (MALDI-TOF-MS) and microsequencing. Here we show that four proteins, namely the translationally controlled tumor protein, the human elongation factor 1-delta, tetratricopeptide repeat protein and the isoform 14-3-3-gamma of the 14-3-3-family are overexpressed in chemoresistant melanoma cell lines. The significance of these findings is now being verified using transfection experiments with the aim of developing more effective chemotherapy protocols.[1]

References

  1. Identification of novel proteins associated with the development of chemoresistance in malignant melanoma using two-dimensional electrophoresis. Sinha, P., Kohl, S., Fischer, J., Hütter, G., Kern, M., Köttgen, E., Dietel, M., Lage, H., Schnölzer, M., Schadendorf, D. Electrophoresis (2000) [Pubmed]
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