Abstract: Objective: the study aimed to assess serum level and tissue expression of Cytokines in brain tumour (meningioma and glioma) of Iraqi patients. Methodology: In this study, 64 Iraqi brain tumor patients (30 meningioma and 34 glioma) were investigated for serum level of IL-2, IL-8, IL-10 and IFN-γ, and tumor-immunohistochemical expression of IL-2, IL-10, IFN-γ, TNF-α and TGF-β. Two control samples were also enrolled in the study. The first included 30 blood donors, while the second included 15 cadavers for immunohistochemical evaluation.
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