Abstract
The ribosomal protein S29 also known as RPS29, is not only a component of the 40S subunit of ribosome, but also involved in embryonic development, oncogenesis and other pathologic conditions. However, rare commercial antibody against RPS29 restricts the discovery of precise physiological and pathological function of this protein. In this study, the whole RPS29 gene was inserted into plasmid pGEX-6p-1 to express glutathione's transferase (GST) fusion proteins in Escherichia coli (E. coli) strain BL21. High yields of soluble recombinant proteins were obtained. Mice were immunized with the recombinant RPS29 protein. The serum from the immunized mice could specially react with purified recombinant RPS29 proteins and native RPS29 proteins in CCE cells by western blotting, immunofluorescence staining and flow cytometric analysis. Further more the polyclonal antibodies also reacted specifically with human cell strain ECV304, which showed typical cytoplasmatic fluorescence. The polyclonal antibodies we prepared would be an available tool for studying the roles of RPS29 in embryonic development and human diseases.
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