Linked Life Data

17404043

Source:http://linkedlifedata.com/resource/pubmed/id/17404043

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pubmed-article:17404043pubmed:abstractTextGrowth factors and nitric oxide (NO) play a major role in dysregulated immune response in ulcerative colitis (UC). Recent evidence has shown increased levels of transforming growth factor-beta(1) (TGF-beta(1)) in UC and suggested an anti-inflammatory effect for this factor. Based on our recent study, dysfunctional immunoregulation is present in saliva of UC patients, we hypothesized that salivary level of NO and TGF-beta(1) may differ by severity of UC and be useful to determine the activity of the disease. Thirty-seven UC patients and 15 healthy controls were enrolled and saliva samples were obtained. Truelove-Witts severity index and modified Truelove-Witts severity index were used to determine the severity of the disease. NO and TGF-beta(1) levels were detected in saliva of all patients and control subjects using enzyme-linked immunosorbent assay. A total of 21 patients had mild disease while 8 had moderate and 8 had severe colitis. Adjusted for baseline characteristics, the levels of NO and TGF-beta(1) in different groups were compared. Salivary NO and TGF-beta(1) levels were higher in UC patients comparing to controls (P < 0.00005 and P = 0.005, respectively). The levels of NO and TGF-beta(1) showed no significant differences among the severity groups (P = 0.46 and P = 0.23, respectively). NO levels linearly increased by age (Coeff = 1.5, r = 0.38, P = 0.02). Gender, extension of disease, and medical treatment did not affect NO and TGF-beta(1) levels. Although UC patients have abnormal amounts of NO and TGF-beta(1) in their saliva, their disease activity cannot be predicted by these factors, which may indicate a pathophysiologic role rather than being nonspecific inflammatory markers for TGF-beta(1) and NO.lld:pubmed
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pubmed-article:17404043pubmed:dateRevised2008-11-21lld:pubmed
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pubmed-article:17404043pubmed:articleTitleStudy on the correlations among disease activity index and salivary transforming growth factor-beta 1 and nitric oxide in ulcerative colitis patients.lld:pubmed
pubmed-article:17404043pubmed:affiliationDepartment of Toxicology & Pharmacology, Faculty of Pharmacy, and Pharmaceutical Sciences Research Center, Tehran University of Medical Sciences, Tehran 14155-6451, Iran.lld:pubmed
pubmed-article:17404043pubmed:publicationTypeJournal Articlelld:pubmed
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