Biomarker discovery by plasma proteomics in familial Brugada Syndrome

Antonio Oliva, Antonio Curcio, Francesco Ausania, M. Di Domenico, D. Scumaci, S. Grasso, M. Gaspari, A. Curcio, F. Ausania, C. Di Nunzio, C. Ricciardi, A. C. Santini, A. Rizzo, C. Romano Carratelli, M. Lamberti, D. Conti, R. La Montagna, V. Tomei, V. Malafoglia, P. RicciC. Indolfi, F. Costanzo, Giovanni Cuda

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13 Citazioni (Scopus)

Abstract

Brugada Syndrome (BS) is a polygenic inherited cardiac disease characterized by life-threatening arrhythmias and high incidence of sudden death. In this study, two-dimensional gel electrophoresis (2D-PAGE) coupled to mass spectrometry (LC-MS/MS) was used to investigate specific changes in the plasma proteome of BS patients and family members sharing the same gene mutation (SCN5AQ1118X), with the aim to identify novel disease biomarkers. Our data demonstrate that the levels of several proteins were significantly altered in BS patients compared with controls. In particular, apolipoprotein E, prothrombin, vitronectin, complement-factor H, vitamin-D-binding protein, voltage-dependent anion-selective channel protein 3 and clusterin were considerably increased in plasma sample of BS patients, whereas alpha-1-antitrypsin, fibrinogen and angiotensinogen were considerably decreased; moreover, post-translational modifications of antithrombin-III were detected in all affected individuals. On the light of these results, we hypothesize that these proteins might be considered as potential markers for the identification of disease status in BS.
Lingua originaleEnglish
pagine (da-a)564-571
Numero di pagine8
RivistaFrontiers in Bioscience
Volume18
Stato di pubblicazionePubblicato - 2013

Keywords

  • BRUGADA SYNDROME
  • SUDDEN CARDIAC DEATH

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