The salivary proteome profile in patients affected by SAPHO syndrome characterized by a top-down RP-HPLC-ESI-MS platform

Massimo Castagnola, Monica Sanna, Davide Firinu, Paolo Emilio Manconi, Maria Pisanu, Giuseppe Murgia, Valentina Piras, Irene Messana, Stefano Renato Del Giacco, Tiziana Cabras

Risultato della ricerca: Contributo in rivistaArticolo in rivistapeer review

10 Citazioni (Scopus)

Abstract

SAPHO syndrome is a rare and often unrecognized disease with prominent inflammatory cutaneous and articular symptoms characterized by musculoskeletal manifestations (synovitis, hyperostosis, osteomyelitis) associated with dermatological conditions (severe acne and pustulosis). The acidic soluble fraction of whole saliva from 10 adult women affected by SAPHO syndrome and from a group of 28 healthy women was analysed by RP-HPLC-ESI-MS with the aim of discovering salivary biomarkers of the disorder. The levels of the oral proteins and peptides were correlated with clinical data. The following proteins showed a significant decreased concentration in saliva of SAPHO subjects with respect to controls: cystatin S1 and SN, histatins, the major acidic PRPs, P-C and P-B peptides. The cystatin SN abundance lowered according to the disease duration and histatins showed positive correlations with the C reactive protein. Statistical analysis performed excluding one patient with a different pattern of salivary proteins/peptides highlighted a positive relationship between cystatin S1, histatins 3, histatin 5, and the neutrophil count. Moreover, histatin 3 correlated positively with the total white cell count and negatively with the erythrocyte sedimentation rate. Levels and frequency of S100A12 protein showed a trend to increase in SAPHO patients. The high expression of this pro-inflammatory protein is probably related to the inflammatory response and to the altered neutrophil responses to functional stimuli that characterize SAPHO syndrome suggesting a possible application as a salivary biomarker.
Lingua originaleEnglish
pagine (da-a)1552-1562
Numero di pagine11
RivistaMolecular BioSystems
Volume11
DOI
Stato di pubblicazionePubblicato - 2015

Keywords

  • Acquired Hyperostosis Syndrome
  • Adult
  • Chromatography, High Pressure Liquid
  • Female
  • Humans
  • Middle Aged
  • Proteome
  • Proteomics
  • Saliva
  • Salivary Proteins and Peptides
  • Spectrometry, Mass, Electrospray Ionization
  • Statistics, Nonparametric

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