The aim of the present study was to evaluate the concentration of cell-free DNA (cf-DNA) in the plasma of patients with systemic sclerosis (SSc) and to examine the correlation of cf-DNA with clinical variables of the disease. The study population consisted of 122 SSc patients and 16 healthy controls. Epidemiological and clinical data were collected by direct assessment. The beta-globin gene was used to determine the total amount of DNA in the plasma by real-time quantitative PCR analysis. cf-DNA was found in all patients (mean concentration 1,420.7 copies/ml) and controls (mean concentration 1,462.5), with no significant difference. In SSc patients, no correlation was found between cf-DNA and the type of organ involvement, but patients with active disease presented significantly higher cf-DNA concentrations than those with inactive disease (p < 0.05). Our data suggest that cf-DNA could provide a useful biomarker for the assessment of disease activity in SSc patients

Cell-free DNA in the plasma of patients with systemic sclerosis

MOSCA, MARTA;TANI C;BOMBARDIERI, STEFANO
2009

Abstract

The aim of the present study was to evaluate the concentration of cell-free DNA (cf-DNA) in the plasma of patients with systemic sclerosis (SSc) and to examine the correlation of cf-DNA with clinical variables of the disease. The study population consisted of 122 SSc patients and 16 healthy controls. Epidemiological and clinical data were collected by direct assessment. The beta-globin gene was used to determine the total amount of DNA in the plasma by real-time quantitative PCR analysis. cf-DNA was found in all patients (mean concentration 1,420.7 copies/ml) and controls (mean concentration 1,462.5), with no significant difference. In SSc patients, no correlation was found between cf-DNA and the type of organ involvement, but patients with active disease presented significantly higher cf-DNA concentrations than those with inactive disease (p < 0.05). Our data suggest that cf-DNA could provide a useful biomarker for the assessment of disease activity in SSc patients
Mosca, Marta; Giuliano, T; Cuomo, G; Doveri, M; Tani, C; Curcio, M; Abignano, G; DE FEO, F; Bazzichi, L; DELLA ROSSA, A; Valentini, G; Bombardieri, Stefano
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11568/205083
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