Characterization of monoclonal antibodies specific to the transcription factor ETS-2 protein.
ETS-2 is a member of the ETS family of transcription factors. ETS-2 was initially characterized as a nuclear oncogene and has been shown to play a role in regulation of apoptosis and cell cycle progression. Members of the ETS family display high sequence homology, thus, there is considerable controversy concerning the specificity of existing ETS-2 polyclonal antibodies that have been used to define ETS-2 function. We therefore embarked on the production of ETS-2 specific monoclonal antibodies. In this report, we describe the production and characterization of six antibodies and the localization of their target epitopes to distinct domains of the ETS-2 protein. Four antibodies are ETS-2 specific and two antibodies cross-react with ETS-1, an ETS family member with the highest amino acid sequence homology to ETS-2. This report provides a comprehensive evaluation of ETS-2 specific monoclonal antibodies verified using ETS-2 null cells. These antibodies can be used for EMSA, Western blotting, immunoprecipitation and immunofluorescence staining experiments. Collectively, these reagents are invaluable molecular tools that should help better understand the biological function of ETS-2.[1]References
- Characterization of monoclonal antibodies specific to the transcription factor ETS-2 protein. Sanij, E., Scott, B., Wilson, T., Xu, D., Hertzog, P., Wolvetang, E. Immunol. Lett. (2003) [Pubmed]
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