Abstract
Inflammation that occurs in the tumor microenvironment and in the systemic circulation correlates with disease progression and prognosis in a number of tumors. One way to assess the systemic immune response is to determine the cells/their ratio associated with inflammation, which can easily be measured with complete blood count. IL-21 has a variety of regulatory effects on both normal and tumor cells, leading to their proliferation, differentiation, and apoptosis.The aim of our study was to determine the level of IL-21 in patients with lymphoma-leukemia and to correlate it with the biomarkers of systemic inflammation involved in carcinogenesis - NLR, PLR, PMR, HLR, SII, dNLR.The study included patients with hematologic tumors who underwent splenectomy for therapeutic indications. The control group consisted of patients who also underwent splenectomy but not due to malignant tumor or autoimmune disease.According to our study analysis interleukin-21 levels did not differ significantly between the study and control groups. Serum levels of interleukin-21 in patients with malignant hematologic tumors are negatively correlated with dNLR.
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