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Salivary profile and oxidative stress in children and adolescents with cystic fibrosis
Author(s) -
Livnat G.,
Bentur L.,
Kuzmisnsky E.,
Nagler R. M.
Publication year - 2010
Publication title -
journal of oral pathology and medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 83
eISSN - 1600-0714
pISSN - 0904-2512
DOI - 10.1111/j.1600-0714.2009.00813.x
Subject(s) - cystic fibrosis , saliva , oxidative stress , medicine , serous fluid , uric acid , pathogenesis , superoxide dismutase , gastroenterology , endocrinology
J Oral Pathol Med (2010) 39 : 16–21 Background:  Cystic fibrosis (CF) is characterized by altered exocrine secretions; however, no comprehensive compositional profile of CF serous and mucous saliva secretions has been published. Design:  We analyzed salivary flow rate and composition, and oxidative stress‐related parameters, comparing CF patients with non‐CF bronchiectasis patients and the healthy controls. Results:  Median salivary magnesium concentration and lactate dehydrogenase activity were significantly lower in CF patients than in the healthy controls. Salivary total protein concentration was 45% higher in CF patients than in non‐CF bronchiectasis patients. CF patients showed 8% lower levels of peroxidase compared with non‐CF bronchiectasis. Salivary total antioxidant status, superoxide dismutase and uric acid values in the CF group were higher by 15%, 35% and 31%, respectively, than in both control groups. Conclusions:  Cystic fibrosis patients demonstrated altered salivary profile, especially in antioxidant enzymatic and molecular activity, possibly resulting from the oral cavity’s ongoing inflammatory and oxidative process. Free radical mechanisms may be involved in CF pathogenesis.

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