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Salivary and serum interleukin 6 and basic fibroblast growth factor levels in patients with oral squamous cell carcinoma.

AIM
A role of various cytokines has been implicated in the pathogenesis of many carcinomas, and albeit the role of interleukin 6 (IL-6) and basic fibroblast growth factor (bFGF) in sera has been studied in patients with oral carcinomas, data upon salivary IL-6 and bFGF are lacking. The aim of this study was to evaluate levels of IL-6 and bFGF in the saliva and serum of patients with oral squamous cell carcinoma.


METHODS
Salivary and serum IL-6 and bFGF were evaluated in a group of 33 patients (28 men, 5 women) with oral squamous cell carcinoma (OSCC), age range 40-73 years , mean 54.05 years. Control group consisted of 23 healhy participants, mean age 25 years.


RESULTS
Serum IL-6 and bFGF levels were not significantly different between patients with OSCC and healthy controls. Elevated levels of salivary IL-6 and bFGF in patients with OSCC when compared to the healthy controls were found (p<0.001).


CONCLUSIONS
The conclusion is drawn that higher levels of salivary IL-6 and bFGF in patients with OSCC might originate from the local production, probably from carcinoma cells.