t-helper type 1 and 2 cytokine levels in patients with benign and malignant salivary gland tumors

Authors

bijan khademi

cancer immunology group, shiraz institute for cancer research, school of medicine marziyeh tajvarpour

cancer immunology group, shiraz institute for cancer research, school of medicine zahra mojtahedi

cancer immunology group, shiraz institute for cancer research, school of medicine mohammad reza haghshenas

cancer immunology group, shiraz institute for cancer research, school of medicine nasrollah erfani

abstract

background: salivary gland tumors are among malignancies that have high recurrence rate. immune responses in salivary gland tumors have not been well elucidated. t helper type 1 (th1) and th2 cytokines have been reported to play a role in the outcome of head and neck cancers. objective: to evaluate the serum levels of interferon gamma (ifn- γ), as the hallmark of th1 cytokines, and interleukin-4 (il-4), as the hallmark of th2 cytokines, in patients with benign and malignant salivary gland tumors in comparison with healthy controls. methods: fifty patients with benign and 14 patients with malignant salivary gland tumors, as well as 23 healthy individuals were recruited. serum levels of ifn-γ and il-4 were measured using elisa method. nonparametric tests were used for data analysis. results: serum levels of ifn-γ and il-4 were found not to be significantly different in patients compared to the control group (0.68 ± 0.29 vs. 1.03 ± 0.57 pg/ml, p=0.58 for ifn-γ, 4.57 ± 1.57 vs. 4.41 ± 1.31 pg/ml, p=0.28 for il-4). ifn-γ and il-4 serum levels were also not significantly different between patients with benign and malignant salivary gland tumors (p=0.54 and p=0.86, respectively). conclusion: the systemic levels of il-4 and ifn-γ seem not to be associated with salivary gland tumor in our study. investigation of other cytokines produced by th1 and th2 cells are warranted.

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Journal title:
iranian journal of immunology

جلد ۱۳، شماره ۱، صفحات ۹-۱۵

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