Multiplex analysis of intracellular signaling pathways in lymphoid cells by microbead suspension arrays

Imran H. Khan, Sara Mendoza, Paul Rhyne, Melanie Ziman, Joseph Tuscano, Dominic Eisinger, Hsing Jien Kung, Paul A. Luciw

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Phosphorylation analysis of signaling proteins is key for examining intracellular signaling pathways. Conventional biochemical approaches, e.g. immunoprecipitation, Western blot, and ELISA, have played a major role in elucidation of individual signaling events.However, these methods are laborious, time-consuming, and difficult to adapt for high throughput analysis. A multiplex approach to measure phosphorylation state of multiple signaling proteins simultaneously would significantly enhance the efficiency and scope of signaling pathway analysis for mechanistic studies and clinical application. This report describes a novel multiplex microbead suspension array approach to examine phosphoproteomic profiles in lymphoid cells. In the Jurkat T-cell leukemia line, the multiplex assay enabled targeted investigation of phosphorylation kinetics of signal transduction from receptor proximal events (tyrosine phosphoproteins CD3, Lck, Zap-70, and linker for T-cell activation) to cytosolic events (serine/threonine phosphoproteins Erk and Akt) to transcription factors (serine/threonine phosphorylated Rsk, cyclic AMP-response element-binding protein, and STAT3). To broaden the application of the multiplex analysis, signaling pathways were also studied in B-cell lymphoid tumor lines that included chronic lymphocytic leukemia lines. In these cell lines, multiplex suspension array enabled phosphoproteomic analysis of signaling cascade mediated by Syk, a homolog of Zap-70. Results obtained by multiplex analysis were confirmed by immunoprecipitation and Western blot methods. The examples of T-cell and B-cell signaling pathway analyses in this report demonstrate the utility of the multiplex suspension arrays to investigate phosphorylation dynamics and kinetics of several signaling proteins simultaneously in signal transduction pathway.

Original languageEnglish
Pages (from-to)758-768
Number of pages11
JournalMolecular and Cellular Proteomics
Volume5
Issue number4
DOIs
Publication statusPublished - Apr 1 2006
Externally publishedYes

Fingerprint

Microspheres
Suspensions
Phosphorylation
Lymphocytes
Phosphoproteins
Threonine
Immunoprecipitation
Serine
T-cells
Signal Transduction
B-Lymphocytes
Western Blotting
T-Lymphocytes
T-Cell Leukemia
Cell Line
Cyclic AMP Response Element-Binding Protein
Signal transduction
Proteins
Jurkat Cells
B-Cell Chronic Lymphocytic Leukemia

ASJC Scopus subject areas

  • Analytical Chemistry
  • Biochemistry
  • Molecular Biology

Cite this

Khan, I. H., Mendoza, S., Rhyne, P., Ziman, M., Tuscano, J., Eisinger, D., ... Luciw, P. A. (2006). Multiplex analysis of intracellular signaling pathways in lymphoid cells by microbead suspension arrays. Molecular and Cellular Proteomics, 5(4), 758-768. https://doi.org/10.1074/mcp.T500032-MCP200

Multiplex analysis of intracellular signaling pathways in lymphoid cells by microbead suspension arrays. / Khan, Imran H.; Mendoza, Sara; Rhyne, Paul; Ziman, Melanie; Tuscano, Joseph; Eisinger, Dominic; Kung, Hsing Jien; Luciw, Paul A.

In: Molecular and Cellular Proteomics, Vol. 5, No. 4, 01.04.2006, p. 758-768.

Research output: Contribution to journalArticle

Khan, Imran H. ; Mendoza, Sara ; Rhyne, Paul ; Ziman, Melanie ; Tuscano, Joseph ; Eisinger, Dominic ; Kung, Hsing Jien ; Luciw, Paul A. / Multiplex analysis of intracellular signaling pathways in lymphoid cells by microbead suspension arrays. In: Molecular and Cellular Proteomics. 2006 ; Vol. 5, No. 4. pp. 758-768.
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