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2015, vol. 32, br. 1, str. 43-49
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Ispitivanje koncentracije transformišućeg faktora rasta beta 1 u hroničnim periapeksnim lezijama
Concentration of Transforming Growth Factor-beta 1 in chronic periapical lesions
aUniverzitet u Nišu, Medicinski fakultet, Stomatološka klinika + Univerzitet u Nišu, Medicinski fakultet bUniverzitet u Nišu, Medicinski fakultet, Institut za biohemiju cUniverzitet u Nišu, Medicinski fakultet, Katedra Mikrobiologija i imunologija dUniverzitet u Nišu, Medicinski fakultet, Stomatološka klinika
e-adresa: jelenadp@gmail.com
Sažetak
Balans između proinflamatornih i antiinflamatornih citokina u velikoj meri kontroliše odgovore domaćina na antigenu stimulaciju kod hroničnih inflamatornih periapeksnih lezija. Cilj istraživanja bio je da se odredi koncentracija TGF-β1 u homogenatima tkiva periapeksnih lezija i da se rezultati uporede u odnosu na simptomatologiju pacijenata i veličinu lezije. Ispitivano je 93 uzorka hroničnih periapeksnih lezija dobijenih nakon ekstrakcije zuba. Uzorci lezija su podeljeni prema simptomatologiji pacijenata na simptomatske i asimptomatske, a prema veličini na velike i male. Koncentracija TGF-β1 je ispitivana pomoću ELISA testa, a dobijene vrednosti su analizirane u odnosu na grupe. Rezultati su pokazali povećanu produkciju TGF-β1 u simptomatskim lezijama u odnosu na asimptomatske, međutim, razlika nije bila statistički značajna. Statistički značajna razlika u koncentraciji TGF-β1 uočena je u grupi velikih lezija u poređenju sa malim (p<0,001). Čini se da TGF-β1 ima modulirajući efekat na aktivnost resorpcije koštanog tkiva pod uticajem proinflamatornih citokina i može se smatrati molekularnim prognostičkim markerom zarastanja periapeksnih lezija.
Abstract
Host response to antigen stimulation in chronic inflammatory periapical lesions is mainly controlled by the balance between proinflammatory and anti-inflammatory cytokines. The aim of this study was to determine the concentration of TGF-β1 in the tissue homogenates of periapical lesions and to analyse its level in relation to the symptomatology of the patients and size of the lesions. Ninety three samples of chronic periapical lesions were obtained after extraction of teeth. Samples were divided according to the clinical symptoms as symptomatic and asymptomatic, and according to the size as large and small. The concentration of TGF-β1 was analyzed using ELISA. The results showed increased production of TGF-β1 in symptomatic lesions compared to asymptomatic, but the difference was not statistically significant. Statistically significant difference in TGF-β1 concentrations was observed in large lesions compared to small (p<0,001). It seems that TGF-β1 have a modulating effect on bone tissue resorption activity under the influence of proinflammatory cytokines and can be molecular prognostic marker of periapical lesion healing.
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