RETN and atherosclerosis: Pro- and anti-inflammatory agents released by PVAT include leptin (Gálvez-Prieto et al., 2012; Li et al., 2014), adiponectin (Lynch et al., 2013; Antonopoulos et al., 2015), resistin (Park et al., 2014), TNF-α (DeVallance et al., 2016), MCP-1 (Manka et al., 2014), TGF-β (Chatterjee et al., 2013), angiopoietin-like protein 2 (Angptl2) (Tian et al., 2013), and IL-6 (Du et al., 2015), all of which are known to influence the progression of atherosclerosis in some way: