ARG1 and neoplasm: qRT-PCR analysis of iWAT revealed elevated mRNA expression of the type 2 immune marker genes arginase-1 (Arg1; 4.4-fold), interleukin-10 (Il-10; 3.8-fold), and transforming growth factor-β1 to -3 (Tgfß1 to -3; 4.6-, 2.4-, and 2.4-fold, respectively) in LLC tumor-bearing animals compared with controls.