Analysis of differentially expressed protein in lung tuberculosis based on MB-MALDI-TOF-MS

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: To screen potential specific biomarkers in the serum of lung tuberculosis patients using pre-fractionated magnetic beads based sample fractionation method combined with matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF-MS) technology. Methods: We compared serum proteomic profiling of 14 lung tuberculosis patients and 32 healthy controls by MB-MALDI-TOF-MS (MB-WCX and MB-IMC-CU). Results: By analyzing the spectra (screened from the two groups) using the ClinProTools software 2.2, 42 and 11 peaks had significantly different expressions (P<0.001) between the two groups of all 74 and 68 peaks generated from analysis of MB-MALDI-TOF-MS (MB-WCX and MB-IMC-CU). In addition, 8 of the 11 peaks were the same as those in the 42 peaks, and 17 peaks were up-expressed while 25 were down-expressed in lung tuberculosis patients with 42 peaks. Conclusion: We were able to identify proteomic patterns that can clearly distinguish between patients with lung tuberculosis and healthy controls based on MB-MALDI-TOF-MS analysis.

Original languageEnglish
Pages (from-to)728-732
Number of pages5
JournalJournal of Xi'an Jiaotong University (Medical Sciences)
Volume32
Issue number6
StatePublished - Nov 2011

Keywords

  • Differentially expressed protein
  • Matrix-assisted laser desorption/ionization time of flight mass spectrometry (MB-MALDI-TOF-MS)
  • Patient with lung tuberculosis

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