S-Nitrosylation Proteome Profile of Peripheral Blood Mononuclear Cells in Human Heart Failure

Sue Jie Koo, Heidi Spratt, Kizhake V. Soman, Susan Stafford, Shivali Gupta, John R. Petersen, Maria P. Zago, Neslihan Martinez, Allan R. Brasier, John E. Wiktorowicz, Nisha Garg

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Nitric oxide (NO) protects the heart against ischemic injury; however, NO- and superoxide-dependent S-nitrosylation (S-NO) of cysteines can affect function of target proteins and play a role in disease outcome. We employed 2D-GE with thiol-labeling FL-maleimide dye and MALDI-TOF MS/MS to capture the quantitative changes in abundance and S-NO proteome of HF patients (versus healthy controls, n = 30 /group). We identified 93 differentially abundant (59-increased/34-decreased) and 111 S-NO-modified (63-increased/48-decreased) protein spots, respectively, in HF subjects (versus controls, fold-change ≥1.5 |, p ≤ 0.05). Ingenuity pathway analysis of proteome datasets suggested that the pathways involved in phagocytes' migration, free radical production, and cell death were activated and fatty acid metabolism was decreased in HF subjects. Multivariate adaptive regression splines modeling of datasets identified a panel of proteins that will provide >90% prediction success in classifying HF subjects. Proteomic profiling identified ATP-synthase, thrombospondin-1 (THBS1), and vinculin (VCL) as top differentially abundant and S-NO-modified proteins, and these proteins were verified by Western blotting and ELISA in different set of HF subjects. We conclude that differential abundance and S-NO modification of proteins serve as a mechanism in regulating cell viability and free radical production, and THBS1 and VCL evaluation will potentially be useful in the prediction of heart failure.

Original languageEnglish (US)
Article number1384523
JournalInternational Journal of Proteomics
Volume2016
DOIs
StatePublished - Jan 1 2016

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Proteome
Blood Cells
Blood
Heart Failure
Vinculin
Thrombospondin 1
Proteins
Free Radicals
Nitric Oxide
Matrix-Assisted Laser Desorption-Ionization Mass Spectrometry
Cell death
Phagocytes
Sulfhydryl Compounds
Metabolism
Superoxides
Splines
Proteomics
Labeling
Cysteine
Cell Survival

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology

Cite this

S-Nitrosylation Proteome Profile of Peripheral Blood Mononuclear Cells in Human Heart Failure. / Koo, Sue Jie; Spratt, Heidi; Soman, Kizhake V.; Stafford, Susan; Gupta, Shivali; Petersen, John R.; Zago, Maria P.; Martinez, Neslihan; Brasier, Allan R.; Wiktorowicz, John E.; Garg, Nisha.

In: International Journal of Proteomics, Vol. 2016, 1384523, 01.01.2016.

Research output: Contribution to journalArticle

Koo, Sue Jie ; Spratt, Heidi ; Soman, Kizhake V. ; Stafford, Susan ; Gupta, Shivali ; Petersen, John R. ; Zago, Maria P. ; Martinez, Neslihan ; Brasier, Allan R. ; Wiktorowicz, John E. ; Garg, Nisha. / S-Nitrosylation Proteome Profile of Peripheral Blood Mononuclear Cells in Human Heart Failure. In: International Journal of Proteomics. 2016 ; Vol. 2016.
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