Keywords: FABP; fatty acid binding protein; WT; wild type; KO; knockout; IL-10; interleukin 10; YM-1; mouse macrophage secretory glycoprotein; Fizz-1; found in inflammatory zone-1; LPS; lipopolysaccharide; IFN-γ; interferon gamma; IL-4; interleukin 4; M1; pro-infl