Evaluation of protein kinase activities of cell lysates using peptide microarrays based on surface plasmon resonance imaging

Takeshi Mori, Kazuki Inamori, Yusuke Inoue, Xiaoming Han, Go Yamanouchi, Takuro Niidome, Yoshiki Katayama

Research output: Contribution to journalArticle

48 Citations (Scopus)

Abstract

We developed a peptide microarray based on surface plasmon resonance (SPR) imaging for monitoring protein kinase activities in cell lysates. The substrate peptides of kinases were tethered to the microarray surface modified with a self-assembled monolayer of an alkanethiol with triethylene glycol terminus to create a low nonspecific binding surface. The phosphorylation of the substrate peptides immobilized on the surface was detected with the following phosphate specific binders by amplifying SPR signals: anti-phosphotyrosine antibody for tyrosine kinases and Phos-tag biotin (a phosphate-specific ligand with biotin tag) for serine/threonine kinases. Using the microarray, 9 kinds of protein kinases were evaluated as a pattern of phosphorylation of 26 kinds of substrate peptides. The pattern was unique for each protein kinase. The microarray could be used to evaluate the inhibitory activities of kinase inhibitors. The microarray was applied successfully for kinase activity monitoring of cell lysates. The chemical stimuli responsive activity changes of protein kinases in cell lysates could also be monitored by the peptide microarray. Thus, the peptide microarray based on SPR imaging would be applicable to cell-based drug discovery, diagnosis using tissue lysates, and biochemical studies to reveal signal transduction pathways.

Original languageEnglish
Pages (from-to)223-231
Number of pages9
JournalAnalytical Biochemistry
Volume375
Issue number2
DOIs
Publication statusPublished - Apr 15 2008

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Surface Plasmon Resonance
Surface plasmon resonance
Microarrays
Protein Kinases
Cells
Imaging techniques
Peptides
Phosphotransferases
Phosphorylation
Biotin
Phosphates
Substrates
Phosphotyrosine
Protein-Serine-Threonine Kinases
Signal transduction
Drug Discovery
Monitoring
Protein-Tyrosine Kinases
Self assembled monolayers
Anti-Idiotypic Antibodies

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

Cite this

Evaluation of protein kinase activities of cell lysates using peptide microarrays based on surface plasmon resonance imaging. / Mori, Takeshi; Inamori, Kazuki; Inoue, Yusuke; Han, Xiaoming; Yamanouchi, Go; Niidome, Takuro; Katayama, Yoshiki.

In: Analytical Biochemistry, Vol. 375, No. 2, 15.04.2008, p. 223-231.

Research output: Contribution to journalArticle

Mori, Takeshi ; Inamori, Kazuki ; Inoue, Yusuke ; Han, Xiaoming ; Yamanouchi, Go ; Niidome, Takuro ; Katayama, Yoshiki. / Evaluation of protein kinase activities of cell lysates using peptide microarrays based on surface plasmon resonance imaging. In: Analytical Biochemistry. 2008 ; Vol. 375, No. 2. pp. 223-231.
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