Exhaled 8-isoprostane and prostaglandin E2 in patients with stable and unstable cystic fibrosis{star, open}

Vincenzina Lucidi, Giovanni Ciabattoni, Sergio Bella, Peter J. Barnes, Paolo Montuschi

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

We measured 8-isoprostane, a biomarker of oxidative stress, and prostaglandin (PG) E2 in exhaled breath condensate in 36 stable and 14 unstable cystic fibrosis (CF) patients, and in 15 healthy age-matched controls. We studied the relationships of these eicosanoids with clinical, radiological, and systemic inflammatory parameters. Compared with controls [15.5 (11.5-17.0) pg/ml] exhaled 8-isoprostane was increased in stable CF patients [30.5 (25.3-36.0) pg/ml, P <0.001]. Unstable CF patients had higher exhaled 8-isoprostane levels [47.5 (44.0-50.0) pg/ml, P <0.001] than stable CF patients. Unlike PGE2, exhaled 8-isoprostane was negatively correlated with FEV1 (r = -0.67; P <0.0001; r = -0.63; P <0.02) and Shwachman score (r = -0.43, P = 0.012; r = -0.58, P = 0.031) and positively correlated with Chrispin-Norman score (r = 0.51, P <0.002; r = 0.56, P = 0.039) in stable and unstable CF patients, respectively. No correlation was observed with C-reactive protein. Compared with controls [41.0 (29.0-50.0) pg/ml], exhaled PGE2 was also elevated in stable [72.0 (64.3-81.8) pg/ml, P <0.001) and, to a greater extent, in unstable CF patients [83.0 (74.3-91.3) pg/ml, P <0.001). In patients with CF, exhaled 8-isoprostane and PGE2 could be a useful marker of disease severity.

Original languageEnglish
Pages (from-to)913-919
Number of pages7
JournalFree Radical Biology and Medicine
Volume45
Issue number6
DOIs
Publication statusPublished - Sep 15 2008

Fingerprint

8-epi-prostaglandin F2alpha
Dinoprostone
Cystic Fibrosis
Stars
Oxidative stress
Eicosanoids
Biomarkers
C-Reactive Protein

Keywords

  • 8-Isoprostane
  • Oxidative stress
  • Prostaglandin E
  • Stable cystic fibrosis
  • Unstable cystic fibrosis

ASJC Scopus subject areas

  • Biochemistry
  • Physiology (medical)

Cite this

Exhaled 8-isoprostane and prostaglandin E2 in patients with stable and unstable cystic fibrosis{star, open} . / Lucidi, Vincenzina; Ciabattoni, Giovanni; Bella, Sergio; Barnes, Peter J.; Montuschi, Paolo.

In: Free Radical Biology and Medicine, Vol. 45, No. 6, 15.09.2008, p. 913-919.

Research output: Contribution to journalArticle

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