Abstract
Aptamers are oligonucleotide ligands with a high affinity to, and specificity for, various target molecules and they are expected to be powerful tools for proteomic analysis. To select aptamers that bind to a specific unidentified protein in tissues for protein analysis, a screening method was developed using chicken skeletal muscle as a model. Target proteins in the target mixture were separated by electrophoresis and transferred to a membrane, and a DNA library was added onto it. The aptamers that bound to the target protein were visualized by chemiluminescence and collected by cutting out the visualized band. The specific aptamers to the target protein were selected by only one round of selection using this screening, suggesting this screening method might be useful for selecting aptamers for proteome analysis.
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Acknowledgement
This work is partly supported by the Grant-in-Aid for the 21st Century COE “Future Nano-Materials” from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan.
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Noma, T., Ikebukuro, K., Sode, K. et al. A screening method for DNA aptamers that bind to␣a␣specific, unidentified protein in tissue samples. Biotechnol Lett 28, 1377–1381 (2006). https://doi.org/10.1007/s10529-006-9106-7
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DOI: https://doi.org/10.1007/s10529-006-9106-7