Proteomic biosignatures for monocyte-macrophage differentiation

Stephanie D. Kraft-Terry, Howard E. Gendelman

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

We used pulsed stable isotope labeling of amino acids in cell culture (pSILAC) to assess protein dynamics during monocyte-macrophage differentiation. pSILAC allows metabolic labeling of newly synthesized proteins. Such de novo protein production was evaluated from 3 to 7 days in culture. Proteins were identified by liquid chromatography-tandem mass spectrometry then quantified by MaxQuant. Protein-protein linkages were then assessed by Ingenuity Pathway Analysis. Proteins identified were linked to cell homeostasis, free radical scavenging, molecular protein transport, carbohydrate metabolism, small molecule chemistry, and cell morphology. The data demonstrates specific biologic events that are linked to monocyte transformation in a defined biologic system.

Original languageEnglish (US)
Pages (from-to)239-255
Number of pages17
JournalCellular Immunology
Volume271
Issue number2
DOIs
StatePublished - 2011

Keywords

  • Liquid chromatography-tandem mass spectrometry
  • MaxQuant
  • Monocyte differentiation
  • Monocyte-derived macrophages
  • Proteomic biosignatures
  • Pulsed stable isotope labeling with amino acids in cell culture

ASJC Scopus subject areas

  • Immunology

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