Enhanced 15-lipoxygenase activity and elevated eicosanoid production in kidney tumor microenvironment contribute to the inflammation and immune suppression

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Macrophage infiltration is a hallmark in the majority of solid tumors. Our studies demonstrated that macrophages that infiltrate human renal cells carcinoma (RCC) display markedly enhanced expression and activity of 15-lipoxygenase-2 (15-LOX2). Obtained data suggest that enhanced lipoxygenase activity in tumor-associated macrophages stimulates cancer inflammation and causes immune dysfunction.

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